East-Kent-Partnership / Intranet

dashboard/application/models/User_model.php

Indentation +13 added lines, -13 removed lines

@@ -242,20 +242,20 @@
     }
 
     function ip_is_private($ip) {
-       $safe_ip = array(
-           $this->config->item('safeipone'),
-           $this->config->item('safeiptwo'),
-           $this->config->item('safeipthree'),
-           $this->config->item('safeipfour'),
-           $this->config->item('safeipfive'),
-           $this->config->item('safeipsix'),
-           $this->config->item('safeipseven'),
-           $this->config->item('safeipeight'),
-           $this->config->item('safeipnine'),
-           $this->config->item('safeipten'),
-       );      
+        $safe_ip = array(
+            $this->config->item('safeipone'),
+            $this->config->item('safeiptwo'),
+            $this->config->item('safeipthree'),
+            $this->config->item('safeipfour'),
+            $this->config->item('safeipfive'),
+            $this->config->item('safeipsix'),
+            $this->config->item('safeipseven'),
+            $this->config->item('safeipeight'),
+            $this->config->item('safeipnine'),
+            $this->config->item('safeipten'),
+        );      
       
-      if (in_array($_SERVER['REMOTE_ADDR'], $safe_ip)) {
+        if (in_array($_SERVER['REMOTE_ADDR'], $safe_ip)) {
             return true;
         } else {
             return false;

dashboard/application/models/computing-support/Room_move_model.php

Indentation +16 added lines, -16 removed lines

@@ -93,16 +93,16 @@ 
     
     public function check_status() {
         $this->db->where('requester_un', $_SESSION['username'])
-                 ->or_where('staff_involved_un', $_SESSION['username'])
-                 ->or_where('staff_involved_un2', $_SESSION['ldap']['full_name'])
-                 ->or_where('staff_involved_un3', $_SESSION['ldap']['full_name'])
-                 ->or_where('staff_involved_un4', $_SESSION['ldap']['full_name'])
-                 ->or_where('staff_involved_un5', $_SESSION['ldap']['full_name'])
-                 ->or_where('staff_involved_un6', $_SESSION['ldap']['full_name'])
-                 ->or_where('staff_involved_un7', $_SESSION['ldap']['full_name'])
-                 ->or_where('staff_involved_un8', $_SESSION['ldap']['full_name'])
-                 ->or_where('staff_involved_un9', $_SESSION['ldap']['full_name'])
-                 ->or_where('staff_involved_un10', $_SESSION['ldap']['full_name']);
+                    ->or_where('staff_involved_un', $_SESSION['username'])
+                    ->or_where('staff_involved_un2', $_SESSION['ldap']['full_name'])
+                    ->or_where('staff_involved_un3', $_SESSION['ldap']['full_name'])
+                    ->or_where('staff_involved_un4', $_SESSION['ldap']['full_name'])
+                    ->or_where('staff_involved_un5', $_SESSION['ldap']['full_name'])
+                    ->or_where('staff_involved_un6', $_SESSION['ldap']['full_name'])
+                    ->or_where('staff_involved_un7', $_SESSION['ldap']['full_name'])
+                    ->or_where('staff_involved_un8', $_SESSION['ldap']['full_name'])
+                    ->or_where('staff_involved_un9', $_SESSION['ldap']['full_name'])
+                    ->or_where('staff_involved_un10', $_SESSION['ldap']['full_name']);
         $query = $this->db->get('room_move');
         return $query->result_array();
     }
@@ -130,7 +130,7 @@ 
     public function cancel($id) {
             
         $this->db->where('id', $id);
-	$this->db->from('room_move');
+    $this->db->from('room_move');
         $data = array(
             'status' => '4',
             'canceled_by' => $_SESSION['ldap']['full_name'],
@@ -142,7 +142,7 @@ 
     public function eh_reject($id) {
             
         $this->db->where('id', $id);
-	$this->db->from('room_move');
+    $this->db->from('room_move');
         $data = array(
             'status' => '2',
             'estates_at' => date("Y-m-d H:i:s", time()),
@@ -154,7 +154,7 @@ 
     public function eh_approve($id) {
             
         $this->db->where('id', $id);
-	$this->db->from('room_move');
+    $this->db->from('room_move');
         $data = array(
             'status' => '1',
             'estates_at' => date("Y-m-d H:i:s", time()),
@@ -167,7 +167,7 @@ 
     public function cs_reject($id) {
             
         $this->db->where('id', $id);
-	$this->db->from('room_move');
+    $this->db->from('room_move');
         $data = array(
             'status' => '3',
             'cs_at' => date("Y-m-d H:i:s", time()),
@@ -179,7 +179,7 @@ 
     public function cs_approve($id) {
             
         $this->db->where('id', $id);
-	$this->db->from('room_move');
+    $this->db->from('room_move');
         $data = array(
             'status' => '5',
             'cs_at' => date("Y-m-d H:i:s", time()),
@@ -192,7 +192,7 @@ 
     public function cs_complete($id) {
             
         $this->db->where('id', $id);
-	$this->db->from('room_move');
+    $this->db->from('room_move');
         $data = array(
             'status' => '6',
             'completed_at' => date("Y-m-d H:i:s", time()),

dashboard/application/models/computing-support/Address_book_Model.php

Indentation +2 added lines, -2 removed lines

@@ -55,7 +55,7 @@ 
         
         $this->db->select('faculty');
         $this->db->where('cat_id', $faculty);
-	$this->db->from('faculty');
+    $this->db->from('faculty');
         return $this->db->get()->result_array();
     }
     
@@ -63,7 +63,7 @@ 
         
         $this->db->select('subfaculty');
         $this->db->where('cat_key', $department);
-	$this->db->from('facultysub');
+    $this->db->from('facultysub');
         return $this->db->get()->result_array();
     }
 }

dashboard/application/models/computing-support/Private_drive_model.php

Indentation +5 added lines, -5 removed lines

@@ -70,7 +70,7 @@ 
     public function cancel($id) {
             
         $this->db->where('id', $id);
-	$this->db->from('private_drive');
+    $this->db->from('private_drive');
         $data = array(
             'status' => '5',
             'canceled_by' => $_SESSION['ldap']['full_name'],
@@ -82,7 +82,7 @@ 
     public function fh_reject($id) {
             
         $this->db->where('id', $id);
-	$this->db->from('private_drive');
+    $this->db->from('private_drive');
         $data = array(
             'status' => '3',
             'approved_at' => date("Y-m-d H:i:s", time()),
@@ -93,7 +93,7 @@ 
     public function fh_approve($id) {
             
         $this->db->where('id', $id);
-	$this->db->from('private_drive');
+    $this->db->from('private_drive');
         $data = array(
             'status' => '1',
             'approved_at' => date("Y-m-d H:i:s", time()),
@@ -105,7 +105,7 @@ 
     public function cs_reject($id) {
             
         $this->db->where('id', $id);
-	$this->db->from('private_drive');
+    $this->db->from('private_drive');
         $data = array(
             'status' => '4',
             'actioned_at' => date("Y-m-d H:i:s", time()),
@@ -117,7 +117,7 @@ 
     public function cs_approve($id) {
             
         $this->db->where('id', $id);
-	$this->db->from('private_drive');
+    $this->db->from('private_drive');
         $data = array(
             'status' => '2',
             'actioned_at' => date("Y-m-d H:i:s", time()),

dashboard/application/models/computing-support/Ownership_model.php

Indentation +4 added lines, -4 removed lines

@@ -54,7 +54,7 @@ 
     public function approve($id) {
             
         $this->db->where('id', $id);
-	$this->db->from('ownership');
+    $this->db->from('ownership');
         $data = array(
             'status' => '3',
             'transfer' => date("Y-m-d H:i:s", time()),
@@ -67,7 +67,7 @@ 
     public function reject($id) {
             
         $this->db->where('id', $id);
-	$this->db->from('ownership');
+    $this->db->from('ownership');
         $data = array(
             'status' => '2',
             'transfer' => date("Y-m-d H:i:s", time()),
@@ -80,7 +80,7 @@ 
     public function cancel($id) {
             
         $this->db->where('id', $id);
-	$this->db->from('ownership');
+    $this->db->from('ownership');
         $data = array(
             'status' => '4',
         );
@@ -91,7 +91,7 @@ 
     public function terms($id) {
             
         $this->db->where('id', $id);
-	$this->db->from('ownership');
+    $this->db->from('ownership');
         $data = array(
             'status' => '1',
             'policy_accepted' => date("Y-m-d H:i:s", time()),

dashboard/application/models/computing-support/Temporary_account_model.php

Indentation +4 added lines, -4 removed lines

@@ -146,7 +146,7 @@ 
     public function cancel($id) {
             
         $this->db->where('id', $id);
-	$this->db->from('temporary_account');
+    $this->db->from('temporary_account');
         $data = array(
             'status' => '3',
         );
@@ -156,7 +156,7 @@ 
     public function reject($id) {
             
         $this->db->where('id', $id);
-	$this->db->from('temporary_account');
+    $this->db->from('temporary_account');
         $data = array(
             'status' => '2',
             'status_at' => date("Y-m-d H:i:s", time()),
@@ -168,7 +168,7 @@ 
     public function approve($id) {
             
         $this->db->where('id', $id);
-	$this->db->from('temporary_account');
+    $this->db->from('temporary_account');
         $data = array(
             'status' => '1',
             'status_at' => date("Y-m-d H:i:s", time()),
@@ -181,7 +181,7 @@ 
     public function created_account($id) {
             
         $this->db->where('id', $id);
-	$this->db->from('temporary_account');
+    $this->db->from('temporary_account');
         $data = array(
             'created' => '1',
         );

dashboard/application/models/computing-support/Status_model.php

Indentation +14 added lines, -14 removed lines

@@ -3,7 +3,7 @@ 
 class Status_model extends CI_Model {

     

     public function __construct() {

-	parent::__construct();		

+    parent::__construct();		

     }

     

     public function view() {

@@ -18,7 +18,7 @@ 
         

         $data = array(

             'id', 'name', 'status', 'url', 'auto_status'

-	);

+    );

             

         $query = $this->db->get('status');

         return $query->result_array();

@@ -59,9 +59,9 @@ 
         $data = array(

             'sid' => $service_id,

             'auto_status' => $service_status

-	);	

+    );	

         

-	return $this->db->insert('status_logs', $data);

+    return $this->db->insert('status_logs', $data);

     }

     

     public function percentage($sid) {

@@ -70,7 +70,7 @@ 
         $this->db->where('sid', $sid);

         $this->db->order_by('id', 'DESC');

         $this->db->limit('5000');

-	$this->db->from('status_logs');

+    $this->db->from('status_logs');

         $total = $this->db->get()->num_rows();

         

         $this->db->select('sid');

@@ -78,7 +78,7 @@ 
         $this->db->where('auto_status', 1);

         $this->db->order_by('id', 'DESC');

         $this->db->limit('5000');

-	$this->db->from('status_logs');

+    $this->db->from('status_logs');

         $up = $this->db->get()->num_rows();

         

         if (empty($total)) { 

@@ -99,7 +99,7 @@ 
             

         $this->db->select('sid');

         $this->db->where('sid', $sid);

-	$this->db->from('status_logs');

+    $this->db->from('status_logs');

         $this->db->delete();

         

     }

@@ -108,7 +108,7 @@ 
         

         $this->db->select();

         $this->db->where('id', $sid);

-	$this->db->from('status');

+    $this->db->from('status');

         $query = $this->db->get();

         return $query->result_array();

     }

@@ -129,10 +129,10 @@ 
             'auto_status'   => $status,

             'last_update'   => date("Y-m-d H:i:s", time()),

             'by'   => $username,

-	);

+    );

         

         $this->db->where('id', $id);

-	return $this->db->update('status', $data);

+    return $this->db->update('status', $data);

     }

 

     public function create($name, $icon, $url, $category, $status) {

@@ -146,21 +146,21 @@ 
             'auto_status'   => $status,

             'last_update'   => date("Y-m-d H:i:s", time()),

             'by'   => $username,

-	);

+    );

         

-	return $this->db->insert('status', $data);

+    return $this->db->insert('status', $data);

     }

     

     public function delete($sid) {

             

         $this->db->select('sid');

         $this->db->where('sid', $sid);

-	$this->db->from('status_logs');

+    $this->db->from('status_logs');

         $this->db->delete();

         

         $this->db->select('id');

         $this->db->where('id', $sid);

-	$this->db->from('status');

+    $this->db->from('status');

         $this->db->delete();

         

     }

dashboard/application/libraries/Grocery_CRUD.php

Indentation +4953 added lines, -4953 removed lines

@@ -34,429 +34,429 @@ 
  */
 class grocery_CRUD_Field_Types
 {
-	/**
-	 * Gets the field types of the main table.
-	 * @return array
-	 */
-	public function get_field_types()
-	{
-		if ($this->field_types !== null) {
-			return $this->field_types;
-		}
-
-		$types	= array();
-		foreach($this->basic_model->get_field_types_basic_table() as $field_info)
-		{
-			$field_info->required = !empty($this->required_fields) && in_array($field_info->name,$this->required_fields) ? true : false;
-
-			$field_info->display_as =
-				isset($this->display_as[$field_info->name]) ?
-					$this->display_as[$field_info->name] :
-					ucfirst(str_replace("_"," ",$field_info->name));
-
-			if($this->change_field_type !== null && isset($this->change_field_type[$field_info->name]))
-			{
-				$field_type 			= $this->change_field_type[$field_info->name];
-
-				if (isset($this->relation[$field_info->name])) {
-					$field_info->crud_type = "relation_".$field_type->type;
-				}
-				elseif (isset($this->upload_fields[$field_info->name])) {
-					$field_info->crud_type = "upload_file_".$field_type->type;
-				} else {
-					$field_info->crud_type 	= $field_type->type;
-					$field_info->extras 	=  $field_type->extras;
-				}
-
-				$real_type				= $field_info->crud_type;
-			}
-			elseif(isset($this->relation[$field_info->name]))
-			{
-				$real_type				= 'relation';
-				$field_info->crud_type 	= 'relation';
-			}
-			elseif(isset($this->upload_fields[$field_info->name]))
-			{
-				$real_type				= 'upload_file';
-				$field_info->crud_type 	= 'upload_file';
-			}
-			else
-			{
-				$real_type = $this->get_type($field_info);
-				$field_info->crud_type = $real_type;
-			}
-
-			switch ($real_type) {
-				case 'text':
-					if(!empty($this->unset_texteditor) && in_array($field_info->name,$this->unset_texteditor))
-						$field_info->extras = false;
-					else
-						$field_info->extras = 'text_editor';
-				break;
-
-				case 'relation':
-				case 'relation_readonly':
-					$field_info->extras 	= $this->relation[$field_info->name];
-				break;
-
-				case 'upload_file':
-				case 'upload_file_readonly':
-					$field_info->extras 	= $this->upload_fields[$field_info->name];
-				break;
-
-				default:
-					if(empty($field_info->extras))
-						$field_info->extras = false;
-				break;
-			}
-
-			$types[$field_info->name] = $field_info;
-		}
-
-		if(!empty($this->relation_n_n))
-		{
-			foreach($this->relation_n_n as $field_name => $field_extras)
-			{
-				$is_read_only = $this->change_field_type !== null
-								&& isset($this->change_field_type[$field_name])
-								&& $this->change_field_type[$field_name]->type == 'readonly'
-									? true : false;
-				$field_info = (object)array();
-				$field_info->name		= $field_name;
-				$field_info->crud_type 	= $is_read_only ? 'readonly' : 'relation_n_n';
-				$field_info->extras 	= $field_extras;
-				$field_info->required	= !empty($this->required_fields) && in_array($field_name,$this->required_fields) ? true : false;;
-				$field_info->display_as =
-					isset($this->display_as[$field_name]) ?
-						$this->display_as[$field_name] :
-						ucfirst(str_replace("_"," ",$field_name));
-
-				$types[$field_name] = $field_info;
-			}
-		}
-
-		if(!empty($this->add_fields))
-			foreach($this->add_fields as $field_object)
-			{
-				$field_name = isset($field_object->field_name) ? $field_object->field_name : $field_object;
-
-				if(!isset($types[$field_name]))//Doesn't exist in the database? Create it for the CRUD
-				{
-					$extras = false;
-					if($this->change_field_type !== null && isset($this->change_field_type[$field_name]))
-					{
-						$field_type = $this->change_field_type[$field_name];
-						$extras 	=  $field_type->extras;
-					}
-
-					$field_info = (object)array(
-						'name' => $field_name,
-						'crud_type' => $this->change_field_type !== null && isset($this->change_field_type[$field_name]) ?
-											$this->change_field_type[$field_name]->type :
-											'string',
-						'display_as' => isset($this->display_as[$field_name]) ?
-												$this->display_as[$field_name] :
-												ucfirst(str_replace("_"," ",$field_name)),
-						'required'	=> !empty($this->required_fields) && in_array($field_name,$this->required_fields) ? true : false,
-						'extras'	=> $extras
-					);
-
-					$types[$field_name] = $field_info;
-				}
-			}
-
-		if(!empty($this->edit_fields))
-			foreach($this->edit_fields as $field_object)
-			{
-				$field_name = isset($field_object->field_name) ? $field_object->field_name : $field_object;
-
-				if(!isset($types[$field_name]))//Doesn't exist in the database? Create it for the CRUD
-				{
-					$extras = false;
-					if($this->change_field_type !== null && isset($this->change_field_type[$field_name]))
-					{
-						$field_type = $this->change_field_type[$field_name];
-						$extras 	=  $field_type->extras;
-					}
-
-					$field_info = (object)array(
-						'name' => $field_name,
-						'crud_type' => $this->change_field_type !== null && isset($this->change_field_type[$field_name]) ?
-											$this->change_field_type[$field_name]->type :
-											'string',
-						'display_as' => isset($this->display_as[$field_name]) ?
-												$this->display_as[$field_name] :
-												ucfirst(str_replace("_"," ",$field_name)),
-						'required'	=> in_array($field_name,$this->required_fields) ? true : false,
-						'extras'	=> $extras
-					);
-
-					$types[$field_name] = $field_info;
-				}
-			}
-
-		$this->field_types = $types;
-
-		return $this->field_types;
-	}
-
-	public function get_primary_key()
-	{
-		return $this->basic_model->get_primary_key();
-	}
-
-	/**
-	 * Get the html input for the specific field with the
-	 * current value
-	 *
-	 * @param object $field_info
-	 * @param string $value
-	 * @return object
-	 */
-	protected function get_field_input($field_info, $value = null)
-	{
-			$real_type = $field_info->crud_type;
-
-			$types_array = array(
-					'integer',
-					'text',
-					'true_false',
-					'string',
-					'date',
-					'datetime',
-					'enum',
-					'set',
-					'relation',
-					'relation_readonly',
-					'relation_n_n',
-					'upload_file',
-					'upload_file_readonly',
-					'hidden',
-					'password',
-					'readonly',
-					'dropdown',
-					'multiselect'
-			);
-
-			if (in_array($real_type,$types_array)) {
-				/* A quick way to go to an internal method of type $this->get_{type}_input .
+    /**
+     * Gets the field types of the main table.
+     * @return array
+     */
+    public function get_field_types()
+    {
+        if ($this->field_types !== null) {
+            return $this->field_types;
+        }
+
+        $types	= array();
+        foreach($this->basic_model->get_field_types_basic_table() as $field_info)
+        {
+            $field_info->required = !empty($this->required_fields) && in_array($field_info->name,$this->required_fields) ? true : false;
+
+            $field_info->display_as =
+                isset($this->display_as[$field_info->name]) ?
+                    $this->display_as[$field_info->name] :
+                    ucfirst(str_replace("_"," ",$field_info->name));
+
+            if($this->change_field_type !== null && isset($this->change_field_type[$field_info->name]))
+            {
+                $field_type 			= $this->change_field_type[$field_info->name];
+
+                if (isset($this->relation[$field_info->name])) {
+                    $field_info->crud_type = "relation_".$field_type->type;
+                }
+                elseif (isset($this->upload_fields[$field_info->name])) {
+                    $field_info->crud_type = "upload_file_".$field_type->type;
+                } else {
+                    $field_info->crud_type 	= $field_type->type;
+                    $field_info->extras 	=  $field_type->extras;
+                }
+
+                $real_type				= $field_info->crud_type;
+            }
+            elseif(isset($this->relation[$field_info->name]))
+            {
+                $real_type				= 'relation';
+                $field_info->crud_type 	= 'relation';
+            }
+            elseif(isset($this->upload_fields[$field_info->name]))
+            {
+                $real_type				= 'upload_file';
+                $field_info->crud_type 	= 'upload_file';
+            }
+            else
+            {
+                $real_type = $this->get_type($field_info);
+                $field_info->crud_type = $real_type;
+            }
+
+            switch ($real_type) {
+                case 'text':
+                    if(!empty($this->unset_texteditor) && in_array($field_info->name,$this->unset_texteditor))
+                        $field_info->extras = false;
+                    else
+                        $field_info->extras = 'text_editor';
+                break;
+
+                case 'relation':
+                case 'relation_readonly':
+                    $field_info->extras 	= $this->relation[$field_info->name];
+                break;
+
+                case 'upload_file':
+                case 'upload_file_readonly':
+                    $field_info->extras 	= $this->upload_fields[$field_info->name];
+                break;
+
+                default:
+                    if(empty($field_info->extras))
+                        $field_info->extras = false;
+                break;
+            }
+
+            $types[$field_info->name] = $field_info;
+        }
+
+        if(!empty($this->relation_n_n))
+        {
+            foreach($this->relation_n_n as $field_name => $field_extras)
+            {
+                $is_read_only = $this->change_field_type !== null
+                                && isset($this->change_field_type[$field_name])
+                                && $this->change_field_type[$field_name]->type == 'readonly'
+                                    ? true : false;
+                $field_info = (object)array();
+                $field_info->name		= $field_name;
+                $field_info->crud_type 	= $is_read_only ? 'readonly' : 'relation_n_n';
+                $field_info->extras 	= $field_extras;
+                $field_info->required	= !empty($this->required_fields) && in_array($field_name,$this->required_fields) ? true : false;;
+                $field_info->display_as =
+                    isset($this->display_as[$field_name]) ?
+                        $this->display_as[$field_name] :
+                        ucfirst(str_replace("_"," ",$field_name));
+
+                $types[$field_name] = $field_info;
+            }
+        }
+
+        if(!empty($this->add_fields))
+            foreach($this->add_fields as $field_object)
+            {
+                $field_name = isset($field_object->field_name) ? $field_object->field_name : $field_object;
+
+                if(!isset($types[$field_name]))//Doesn't exist in the database? Create it for the CRUD
+                {
+                    $extras = false;
+                    if($this->change_field_type !== null && isset($this->change_field_type[$field_name]))
+                    {
+                        $field_type = $this->change_field_type[$field_name];
+                        $extras 	=  $field_type->extras;
+                    }
+
+                    $field_info = (object)array(
+                        'name' => $field_name,
+                        'crud_type' => $this->change_field_type !== null && isset($this->change_field_type[$field_name]) ?
+                                            $this->change_field_type[$field_name]->type :
+                                            'string',
+                        'display_as' => isset($this->display_as[$field_name]) ?
+                                                $this->display_as[$field_name] :
+                                                ucfirst(str_replace("_"," ",$field_name)),
+                        'required'	=> !empty($this->required_fields) && in_array($field_name,$this->required_fields) ? true : false,
+                        'extras'	=> $extras
+                    );
+
+                    $types[$field_name] = $field_info;
+                }
+            }
+
+        if(!empty($this->edit_fields))
+            foreach($this->edit_fields as $field_object)
+            {
+                $field_name = isset($field_object->field_name) ? $field_object->field_name : $field_object;
+
+                if(!isset($types[$field_name]))//Doesn't exist in the database? Create it for the CRUD
+                {
+                    $extras = false;
+                    if($this->change_field_type !== null && isset($this->change_field_type[$field_name]))
+                    {
+                        $field_type = $this->change_field_type[$field_name];
+                        $extras 	=  $field_type->extras;
+                    }
+
+                    $field_info = (object)array(
+                        'name' => $field_name,
+                        'crud_type' => $this->change_field_type !== null && isset($this->change_field_type[$field_name]) ?
+                                            $this->change_field_type[$field_name]->type :
+                                            'string',
+                        'display_as' => isset($this->display_as[$field_name]) ?
+                                                $this->display_as[$field_name] :
+                                                ucfirst(str_replace("_"," ",$field_name)),
+                        'required'	=> in_array($field_name,$this->required_fields) ? true : false,
+                        'extras'	=> $extras
+                    );
+
+                    $types[$field_name] = $field_info;
+                }
+            }
+
+        $this->field_types = $types;
+
+        return $this->field_types;
+    }
+
+    public function get_primary_key()
+    {
+        return $this->basic_model->get_primary_key();
+    }
+
+    /**
+     * Get the html input for the specific field with the
+     * current value
+     *
+     * @param object $field_info
+     * @param string $value
+     * @return object
+     */
+    protected function get_field_input($field_info, $value = null)
+    {
+            $real_type = $field_info->crud_type;
+
+            $types_array = array(
+                    'integer',
+                    'text',
+                    'true_false',
+                    'string',
+                    'date',
+                    'datetime',
+                    'enum',
+                    'set',
+                    'relation',
+                    'relation_readonly',
+                    'relation_n_n',
+                    'upload_file',
+                    'upload_file_readonly',
+                    'hidden',
+                    'password',
+                    'readonly',
+                    'dropdown',
+                    'multiselect'
+            );
+
+            if (in_array($real_type,$types_array)) {
+                /* A quick way to go to an internal method of type $this->get_{type}_input .
 				 * For example if the real type is integer then we will use the method
 				 * $this->get_integer_input
 				 *  */
-				$field_info->input = $this->{"get_".$real_type."_input"}($field_info,$value);
-			}
-			else
-			{
-				$field_info->input = $this->get_string_input($field_info,$value);
-			}
+                $field_info->input = $this->{"get_".$real_type."_input"}($field_info,$value);
+            }
+            else
+            {
+                $field_info->input = $this->get_string_input($field_info,$value);
+            }
 
-		return $field_info;
-	}
+        return $field_info;
+    }
 
-	protected function change_list_value($field_info, $value = null)
-	{
-		$real_type = $field_info->crud_type;
+    protected function change_list_value($field_info, $value = null)
+    {
+        $real_type = $field_info->crud_type;
+
+        switch ($real_type) {
+            case 'hidden':
+            case 'invisible':
+            case 'integer':
+
+            break;
+            case 'true_false':
+                if(is_array($field_info->extras) && array_key_exists($value,$field_info->extras)) {
+                    $value = $field_info->extras[$value];
+                } else if(isset($this->default_true_false_text[$value])) {
+                    $value = $this->default_true_false_text[$value];
+                }
+            break;
+            case 'string':
+                $value = $this->character_limiter($value,$this->character_limiter,"...");
+            break;
+            case 'text':
+                $value = $this->character_limiter(strip_tags($value),$this->character_limiter,"...");
+            break;
+            case 'date':
+                if(!empty($value) && $value != '0000-00-00' && $value != '1970-01-01')
+                {
+                    list($year,$month,$day) = explode("-",$value);
 
-		switch ($real_type) {
-			case 'hidden':
-			case 'invisible':
-			case 'integer':
+                    $value = date($this->php_date_format, mktime (0, 0, 0, (int)$month , (int)$day , (int)$year));
+                }
+                else
+                {
+                    $value = '';
+                }
+            break;
+            case 'datetime':
+                if(!empty($value) && $value != '0000-00-00 00:00:00' && $value != '1970-01-01 00:00:00')
+                {
+                    list($year,$month,$day) = explode("-",$value);
+                    list($hours,$minutes) = explode(":",substr($value,11));
 
-			break;
-			case 'true_false':
-				if(is_array($field_info->extras) && array_key_exists($value,$field_info->extras)) {
-					$value = $field_info->extras[$value];
-				} else if(isset($this->default_true_false_text[$value])) {
-					$value = $this->default_true_false_text[$value];
-				}
-			break;
-			case 'string':
-				$value = $this->character_limiter($value,$this->character_limiter,"...");
-			break;
-			case 'text':
-				$value = $this->character_limiter(strip_tags($value),$this->character_limiter,"...");
-			break;
-			case 'date':
-				if(!empty($value) && $value != '0000-00-00' && $value != '1970-01-01')
-				{
-					list($year,$month,$day) = explode("-",$value);
-
-					$value = date($this->php_date_format, mktime (0, 0, 0, (int)$month , (int)$day , (int)$year));
-				}
-				else
-				{
-					$value = '';
-				}
-			break;
-			case 'datetime':
-				if(!empty($value) && $value != '0000-00-00 00:00:00' && $value != '1970-01-01 00:00:00')
-				{
-					list($year,$month,$day) = explode("-",$value);
-					list($hours,$minutes) = explode(":",substr($value,11));
-
-					$value = date($this->php_date_format." - H:i", mktime ((int)$hours , (int)$minutes , 0, (int)$month , (int)$day ,(int)$year));
-				}
-				else
-				{
-					$value = '';
-				}
-			break;
-			case 'enum':
-				$value = $this->character_limiter($value,$this->character_limiter,"...");
-			break;
+                    $value = date($this->php_date_format." - H:i", mktime ((int)$hours , (int)$minutes , 0, (int)$month , (int)$day ,(int)$year));
+                }
+                else
+                {
+                    $value = '';
+                }
+            break;
+            case 'enum':
+                $value = $this->character_limiter($value,$this->character_limiter,"...");
+            break;
+
+            case 'multiselect':
+                $value_as_array = array();
+                foreach(explode(",",$value) as $row_value)
+                {
+                    $value_as_array[] = array_key_exists($row_value,$field_info->extras) ? $field_info->extras[$row_value] : $row_value;
+                }
+                $value = implode(",",$value_as_array);
+            break;
 
-			case 'multiselect':
-				$value_as_array = array();
-				foreach(explode(",",$value) as $row_value)
-				{
-					$value_as_array[] = array_key_exists($row_value,$field_info->extras) ? $field_info->extras[$row_value] : $row_value;
-				}
-				$value = implode(",",$value_as_array);
-			break;
+            case 'relation_n_n':
+                $value = $this->character_limiter(str_replace(',',', ',$value),$this->character_limiter,"...");
+            break;
 
-			case 'relation_n_n':
-				$value = $this->character_limiter(str_replace(',',', ',$value),$this->character_limiter,"...");
-			break;
+            case 'password':
+                $value = '******';
+            break;
 
-			case 'password':
-				$value = '******';
-			break;
+            case 'dropdown':
+                $value = array_key_exists($value,$field_info->extras) ? $field_info->extras[$value] : $value;
+            break;
 
-			case 'dropdown':
-				$value = array_key_exists($value,$field_info->extras) ? $field_info->extras[$value] : $value;
-			break;
+            case 'upload_file':
+                if(empty($value))
+                {
+                    $value = "";
+                }
+                else
+                {
+                    $is_image = !empty($value) &&
+                    ( substr($value,-4) == '.jpg'
+                            || substr($value,-4) == '.png'
+                            || substr($value,-5) == '.jpeg'
+                            || substr($value,-4) == '.gif'
+                            || substr($value,-5) == '.tiff')
+                            ? true : false;
+
+                    $file_url = base_url().$field_info->extras->upload_path."/$value";
+
+                    $file_url_anchor = '<a href="'.$file_url.'"';
+                    if($is_image)
+                    {
+                        $file_url_anchor .= ' class="image-thumbnail"><img src="'.$file_url.'" height="50px">';
+                    }
+                    else
+                    {
+                        $file_url_anchor .= ' target="_blank">'.$this->character_limiter($value,$this->character_limiter,'...',true);
+                    }
+                    $file_url_anchor .= '</a>';
 
-			case 'upload_file':
-				if(empty($value))
-				{
-					$value = "";
-				}
-				else
-				{
-					$is_image = !empty($value) &&
-					( substr($value,-4) == '.jpg'
-							|| substr($value,-4) == '.png'
-							|| substr($value,-5) == '.jpeg'
-							|| substr($value,-4) == '.gif'
-							|| substr($value,-5) == '.tiff')
-							? true : false;
-
-					$file_url = base_url().$field_info->extras->upload_path."/$value";
-
-					$file_url_anchor = '<a href="'.$file_url.'"';
-					if($is_image)
-					{
-						$file_url_anchor .= ' class="image-thumbnail"><img src="'.$file_url.'" height="50px">';
-					}
-					else
-					{
-						$file_url_anchor .= ' target="_blank">'.$this->character_limiter($value,$this->character_limiter,'...',true);
-					}
-					$file_url_anchor .= '</a>';
-
-					$value = $file_url_anchor;
-				}
-			break;
+                    $value = $file_url_anchor;
+                }
+            break;
 
-			default:
-				$value = $this->character_limiter($value,$this->character_limiter,"...");
-			break;
-		}
-
-		return $value;
-	}
-
-	/**
-	 * Character Limiter of codeigniter (I just don't want to load the helper )
-	 *
-	 * Limits the string based on the character count.  Preserves complete words
-	 * so the character count may not be exactly as specified.
-	 *
-	 * @access	public
-	 * @param	string
-	 * @param	integer
-	 * @param	string	the end character. Usually an ellipsis
-	 * @return	string
-	 */
-	function character_limiter($str, $n = 500, $end_char = '&#8230;')
-	{
-		if (strlen($str) < $n)
-		{
-			return $str;
-		}
-
-		// a bit complicated, but faster than preg_replace with \s+
-		$str = preg_replace('/ {2,}/', ' ', str_replace(array("\r", "\n", "\t", "\x0B", "\x0C"), ' ', $str));
-
-		if (strlen($str) <= $n)
-		{
-			return $str;
-		}
-
-		$out = '';
-		foreach (explode(' ', trim($str)) as $val)
-		{
-			$out .= $val.' ';
-
-			if (strlen($out) >= $n)
-			{
-				$out = trim($out);
-				return (strlen($out) === strlen($str)) ? $out : $out.$end_char;
-			}
-		}
-	}
-
-	protected function get_type($db_type)
-	{
-		$type = false;
-		if(!empty($db_type->type))
-		{
-			switch ($db_type->type) {
-				case '1':
-				case '3':
-				case 'int':
-				case 'tinyint':
-				case 'mediumint':
-				case 'longint':
-					if( $db_type->db_type == 'tinyint' && $db_type->db_max_length ==  1)
-						$type = 'true_false';
-					else
-						$type = 'integer';
-				break;
-				case '254':
-				case 'string':
-				case 'enum':
-					if($db_type->db_type != 'enum')
-						$type = 'string';
-					else
-						$type = 'enum';
-				break;
-				case 'set':
-					if($db_type->db_type != 'set')
-						$type = 'string';
-					else
-						$type = 'set';
-				break;
-				case '252':
-				case 'blob':
-				case 'text':
-				case 'mediumtext':
-				case 'longtext':
-					$type = 'text';
-				break;
-				case '10':
-				case 'date':
-					$type = 'date';
-				break;
-				case '12':
-				case 'datetime':
-				case 'timestamp':
-					$type = 'datetime';
-				break;
-			}
-		}
-		return $type;
-	}
+            default:
+                $value = $this->character_limiter($value,$this->character_limiter,"...");
+            break;
+        }
+
+        return $value;
+    }
+
+    /**
+     * Character Limiter of codeigniter (I just don't want to load the helper )
+     *
+     * Limits the string based on the character count.  Preserves complete words
+     * so the character count may not be exactly as specified.
+     *
+     * @access	public
+     * @param	string
+     * @param	integer
+     * @param	string	the end character. Usually an ellipsis
+     * @return	string
+     */
+    function character_limiter($str, $n = 500, $end_char = '&#8230;')
+    {
+        if (strlen($str) < $n)
+        {
+            return $str;
+        }
+
+        // a bit complicated, but faster than preg_replace with \s+
+        $str = preg_replace('/ {2,}/', ' ', str_replace(array("\r", "\n", "\t", "\x0B", "\x0C"), ' ', $str));
+
+        if (strlen($str) <= $n)
+        {
+            return $str;
+        }
+
+        $out = '';
+        foreach (explode(' ', trim($str)) as $val)
+        {
+            $out .= $val.' ';
+
+            if (strlen($out) >= $n)
+            {
+                $out = trim($out);
+                return (strlen($out) === strlen($str)) ? $out : $out.$end_char;
+            }
+        }
+    }
+
+    protected function get_type($db_type)
+    {
+        $type = false;
+        if(!empty($db_type->type))
+        {
+            switch ($db_type->type) {
+                case '1':
+                case '3':
+                case 'int':
+                case 'tinyint':
+                case 'mediumint':
+                case 'longint':
+                    if( $db_type->db_type == 'tinyint' && $db_type->db_max_length ==  1)
+                        $type = 'true_false';
+                    else
+                        $type = 'integer';
+                break;
+                case '254':
+                case 'string':
+                case 'enum':
+                    if($db_type->db_type != 'enum')
+                        $type = 'string';
+                    else
+                        $type = 'enum';
+                break;
+                case 'set':
+                    if($db_type->db_type != 'set')
+                        $type = 'string';
+                    else
+                        $type = 'set';
+                break;
+                case '252':
+                case 'blob':
+                case 'text':
+                case 'mediumtext':
+                case 'longtext':
+                    $type = 'text';
+                break;
+                case '10':
+                case 'date':
+                    $type = 'date';
+                break;
+                case '12':
+                case 'datetime':
+                case 'timestamp':
+                    $type = 'datetime';
+                break;
+            }
+        }
+        return $type;
+    }
 }
 
 // ------------------------------------------------------------------------
@@ -473,107 +473,107 @@ 
  */
 class grocery_CRUD_Model_Driver extends grocery_CRUD_Field_Types
 {
-	/**
-	 * @var Grocery_crud_model
-	 */
-	public $basic_model = null;
-
-	protected function set_default_Model()
-	{
-		$ci = &get_instance();
-		$ci->load->model('Grocery_crud_model');
-
-		$this->basic_model = new Grocery_crud_model();
-	}
-
-	protected function get_total_results()
-	{
-		if(!empty($this->where))
-			foreach($this->where as $where)
-				$this->basic_model->where($where[0],$where[1],$where[2]);
-
-		if(!empty($this->or_where))
-			foreach($this->or_where as $or_where)
-				$this->basic_model->or_where($or_where[0],$or_where[1],$or_where[2]);
-
-		if(!empty($this->like))
-			foreach($this->like as $like)
-				$this->basic_model->like($like[0],$like[1],$like[2]);
-
-		if(!empty($this->or_like))
-			foreach($this->or_like as $or_like)
-				$this->basic_model->or_like($or_like[0],$or_like[1],$or_like[2]);
-
-		if(!empty($this->having))
-			foreach($this->having as $having)
-				$this->basic_model->having($having[0],$having[1],$having[2]);
-
-		if(!empty($this->or_having))
-			foreach($this->or_having as $or_having)
-				$this->basic_model->or_having($or_having[0],$or_having[1],$or_having[2]);
-
-		if(!empty($this->relation))
-			foreach($this->relation as $relation)
-				$this->basic_model->join_relation($relation[0],$relation[1],$relation[2]);
-
-		if(!empty($this->relation_n_n))
-		{
-			$columns = $this->get_columns();
-			foreach($columns as $column)
-			{
-				//Use the relation_n_n ONLY if the column is called . The set_relation_n_n are slow and it will make the table slower without any reason as we don't need those queries.
-				if(isset($this->relation_n_n[$column->field_name]))
-				{
-					$this->basic_model->set_relation_n_n_field($this->relation_n_n[$column->field_name]);
-				}
-			}
-
-		}
-
-		return $this->basic_model->get_total_results();
-	}
-
-	public function set_model($model_name)
-	{
-		$ci = &get_instance();
-		$ci->load->model('Grocery_crud_model');
-
-		$ci->load->model($model_name);
-
-		$temp = explode('/',$model_name);
-		krsort($temp);
-		foreach($temp as $t)
-		{
-			$real_model_name = $t;
-			break;
-		}
-
-		$this->basic_model = $ci->$real_model_name;
-	}
-
-	protected function set_ajax_list_queries($state_info = null)
-	{
-		if(!empty($state_info->per_page))
-		{
-			if(empty($state_info->page) || !is_numeric($state_info->page) )
-				$this->limit($state_info->per_page);
-			else
-			{
-				$limit_page = ( ($state_info->page-1) * $state_info->per_page );
-				$this->limit($state_info->per_page, $limit_page);
-			}
-		}
-
-		if(!empty($state_info->order_by))
-		{
-			$this->order_by($state_info->order_by[0],$state_info->order_by[1]);
-		}
-
-		if(!empty($state_info->search))
-		{
-			if (!empty($this->relation)) {
-				foreach ($this->relation as $relation_name => $relation_values) {
-					$temp_relation[$this->_unique_field_name($relation_name)] = $this->_get_field_names_to_search($relation_values);
+    /**
+     * @var Grocery_crud_model
+     */
+    public $basic_model = null;
+
+    protected function set_default_Model()
+    {
+        $ci = &get_instance();
+        $ci->load->model('Grocery_crud_model');
+
+        $this->basic_model = new Grocery_crud_model();
+    }
+
+    protected function get_total_results()
+    {
+        if(!empty($this->where))
+            foreach($this->where as $where)
+                $this->basic_model->where($where[0],$where[1],$where[2]);
+
+        if(!empty($this->or_where))
+            foreach($this->or_where as $or_where)
+                $this->basic_model->or_where($or_where[0],$or_where[1],$or_where[2]);
+
+        if(!empty($this->like))
+            foreach($this->like as $like)
+                $this->basic_model->like($like[0],$like[1],$like[2]);
+
+        if(!empty($this->or_like))
+            foreach($this->or_like as $or_like)
+                $this->basic_model->or_like($or_like[0],$or_like[1],$or_like[2]);
+
+        if(!empty($this->having))
+            foreach($this->having as $having)
+                $this->basic_model->having($having[0],$having[1],$having[2]);
+
+        if(!empty($this->or_having))
+            foreach($this->or_having as $or_having)
+                $this->basic_model->or_having($or_having[0],$or_having[1],$or_having[2]);
+
+        if(!empty($this->relation))
+            foreach($this->relation as $relation)
+                $this->basic_model->join_relation($relation[0],$relation[1],$relation[2]);
+
+        if(!empty($this->relation_n_n))
+        {
+            $columns = $this->get_columns();
+            foreach($columns as $column)
+            {
+                //Use the relation_n_n ONLY if the column is called . The set_relation_n_n are slow and it will make the table slower without any reason as we don't need those queries.
+                if(isset($this->relation_n_n[$column->field_name]))
+                {
+                    $this->basic_model->set_relation_n_n_field($this->relation_n_n[$column->field_name]);
+                }
+            }
+
+        }
+
+        return $this->basic_model->get_total_results();
+    }
+
+    public function set_model($model_name)
+    {
+        $ci = &get_instance();
+        $ci->load->model('Grocery_crud_model');
+
+        $ci->load->model($model_name);
+
+        $temp = explode('/',$model_name);
+        krsort($temp);
+        foreach($temp as $t)
+        {
+            $real_model_name = $t;
+            break;
+        }
+
+        $this->basic_model = $ci->$real_model_name;
+    }
+
+    protected function set_ajax_list_queries($state_info = null)
+    {
+        if(!empty($state_info->per_page))
+        {
+            if(empty($state_info->page) || !is_numeric($state_info->page) )
+                $this->limit($state_info->per_page);
+            else
+            {
+                $limit_page = ( ($state_info->page-1) * $state_info->per_page );
+                $this->limit($state_info->per_page, $limit_page);
+            }
+        }
+
+        if(!empty($state_info->order_by))
+        {
+            $this->order_by($state_info->order_by[0],$state_info->order_by[1]);
+        }
+
+        if(!empty($state_info->search))
+        {
+            if (!empty($this->relation)) {
+                foreach ($this->relation as $relation_name => $relation_values) {
+                    $temp_relation[$this->_unique_field_name($relation_name)] = $this->_get_field_names_to_search($relation_values);
                 }
             }
 
@@ -600,4036 +600,4036 @@ 
 
                 }
             } elseif ($state_info->search->field !== null) {
-				if (isset($temp_relation[$state_info->search->field])) {
-					if (is_array($temp_relation[$state_info->search->field])) {
-						foreach ($temp_relation[$state_info->search->field] as $search_field) {
-							$this->or_like($search_field , $state_info->search->text);
+                if (isset($temp_relation[$state_info->search->field])) {
+                    if (is_array($temp_relation[$state_info->search->field])) {
+                        foreach ($temp_relation[$state_info->search->field] as $search_field) {
+                            $this->or_like($search_field , $state_info->search->text);
                         }
                     } else {
-						$this->like($temp_relation[$state_info->search->field] , $state_info->search->text);
+                        $this->like($temp_relation[$state_info->search->field] , $state_info->search->text);
                     }
-				} elseif(isset($this->relation_n_n[$state_info->search->field])) {
-					$escaped_text = $this->basic_model->escape_str($state_info->search->text);
-					$this->having($state_info->search->field." LIKE '%".$escaped_text."%'");
-				} else {
-					$this->like($state_info->search->field , $state_info->search->text);
-				}
-			}
-			else
-			{
-				$columns = $this->get_columns();
-
-				$search_text = $state_info->search->text;
-
-				if(!empty($this->where))
-					foreach($this->where as $where)
-						$this->basic_model->having($where[0],$where[1],$where[2]);
-
-				foreach($columns as $column)
-				{
-					if(isset($temp_relation[$column->field_name]))
-					{
-						if(is_array($temp_relation[$column->field_name]))
-						{
-							foreach($temp_relation[$column->field_name] as $search_field)
-							{
-								$this->or_like($search_field, $search_text);
-							}
-						}
-						else
-						{
-							$this->or_like($temp_relation[$column->field_name], $search_text);
-						}
-					}
-					elseif(isset($this->relation_n_n[$column->field_name]))
-					{
-						//@todo have a where for the relation_n_n statement
-					}
-					else
-					{
-						$this->or_like($column->field_name, $search_text);
-					}
-				}
-			}
-		}
-	}
-
-	protected function table_exists($table_name = null)
-	{
-		if($this->basic_model->db_table_exists($table_name))
-			return true;
-		return false;
-	}
-
-	protected function get_relation_array($relation_info, $primary_key_value = null, $limit = null)
-	{
-		list($field_name , $related_table , $related_field_title, $where_clause, $order_by)  = $relation_info;
-
-		if($primary_key_value !== null)
-		{
-			$primary_key = $this->basic_model->get_primary_key($related_table);
-
-			//A where clause with the primary key is enough to take the selected key row
-			$where_clause = array($primary_key => $primary_key_value);
-		}
-
-		$relation_array = $this->basic_model->get_relation_array($field_name , $related_table , $related_field_title, $where_clause, $order_by, $limit);
-
-		return $relation_array;
-	}
-
-	protected function get_relation_total_rows($relation_info)
-	{
-		list($field_name , $related_table , $related_field_title, $where_clause)  = $relation_info;
-
-		$relation_array = $this->basic_model->get_relation_total_rows($field_name , $related_table , $related_field_title, $where_clause);
-
-		return $relation_array;
-	}
-
-	protected function db_insert_validation()
-	{
-		$validation_result = (object)array('success'=>false);
-
-		$field_types = $this->get_field_types();
-		$required_fields = $this->required_fields;
-		$unique_fields = $this->_unique_fields;
-		$add_fields = $this->get_add_fields();
-
-		if(!empty($required_fields))
-		{
-			foreach($add_fields as $add_field)
-			{
-				$field_name = $add_field->field_name;
-				if(!isset($this->validation_rules[$field_name]) && in_array( $field_name, $required_fields) )
-				{
-					$this->set_rules( $field_name, $field_types[$field_name]->display_as, 'required');
-				}
-			}
-		}
-
-		/** Checking for unique fields. If the field value is not unique then
-		 * return a validation error straight away, if not continue... */
-		if(!empty($unique_fields))
-		{
-			$form_validation = $this->form_validation();
-
-			foreach($add_fields as $add_field)
-			{
-				$field_name = $add_field->field_name;
-				if(in_array( $field_name, $unique_fields) )
-				{
-					$form_validation->set_rules( $field_name,
-							$field_types[$field_name]->display_as,
-							'is_unique['.$this->basic_db_table.'.'.$field_name.']');
-				}
-			}
-
-			if(!$form_validation->run())
-			{
-				$validation_result->error_message = $form_validation->error_string();
-				$validation_result->error_fields = $form_validation->_error_array;
-
-				return $validation_result;
-			}
-		}
-
-		if(!empty($this->validation_rules))
-		{
-			$form_validation = $this->form_validation();
-
-			$add_fields = $this->get_add_fields();
-
-			foreach($add_fields as $add_field)
-			{
-				$field_name = $add_field->field_name;
-				if(isset($this->validation_rules[$field_name]))
-				{
-					$rule = $this->validation_rules[$field_name];
-					$form_validation->set_rules($rule['field'],$rule['label'],$rule['rules']);
-				}
-			}
-
-			if($form_validation->run())
-			{
-				$validation_result->success = true;
-			}
-			else
-			{
-				$validation_result->error_message = $form_validation->error_string();
-				$validation_result->error_fields = $form_validation->_error_array;
-			}
-		}
-		else
-		{
-			$validation_result->success = true;
-		}
-
-		return $validation_result;
-	}
-
-	protected function form_validation()
-	{
-		if($this->form_validation === null)
-		{
-			$this->form_validation = new grocery_CRUD_Form_validation();
-			$ci = &get_instance();
-			$ci->load->library('form_validation');
-			$ci->form_validation = $this->form_validation;
-		}
-		return $this->form_validation;
-	}
-
-	protected function db_update_validation()
-	{
-		$validation_result = (object)array('success'=>false);
-
-		$field_types = $this->get_field_types();
-		$required_fields = $this->required_fields;
-		$unique_fields = $this->_unique_fields;
-		$edit_fields = $this->get_edit_fields();
-
-		if(!empty($required_fields))
-		{
-			foreach($edit_fields as $edit_field)
-			{
-				$field_name = $edit_field->field_name;
-				if(!isset($this->validation_rules[$field_name]) && in_array( $field_name, $required_fields) )
-				{
-					$this->set_rules( $field_name, $field_types[$field_name]->display_as, 'required');
-				}
-			}
-		}
-
-
-		/** Checking for unique fields. If the field value is not unique then
-		 * return a validation error straight away, if not continue... */
-		if(!empty($unique_fields))
-		{
-			$form_validation = $this->form_validation();
-
-			$form_validation_check = false;
-
-			foreach($edit_fields as $edit_field)
-			{
-				$field_name = $edit_field->field_name;
-				if(in_array( $field_name, $unique_fields) )
-				{
-					$state_info = $this->getStateInfo();
-					$primary_key = $this->get_primary_key();
-					$field_name_value = $_POST[$field_name];
-
-					$this->basic_model->where($primary_key,$state_info->primary_key);
-					$row = $this->basic_model->get_row();
-
-					if(!isset($row->$field_name)) {
-						throw new Exception("The field name doesn't exist in the database. ".
-								 			"Please use the unique fields only for fields ".
-											"that exist in the database");
-					}
-
-					$previous_field_name_value = $row->$field_name;
-
-					if(!empty($previous_field_name_value) && $previous_field_name_value != $field_name_value) {
-						$form_validation->set_rules( $field_name,
-								$field_types[$field_name]->display_as,
-								'is_unique['.$this->basic_db_table.'.'.$field_name.']');
-
-						$form_validation_check = true;
-					}
-				}
-			}
-
-			if($form_validation_check && !$form_validation->run())
-			{
-				$validation_result->error_message = $form_validation->error_string();
-				$validation_result->error_fields = $form_validation->_error_array;
-
-				return $validation_result;
-			}
-		}
-
-		if(!empty($this->validation_rules))
-		{
-			$form_validation = $this->form_validation();
-
-			$edit_fields = $this->get_edit_fields();
-
-			foreach($edit_fields as $edit_field)
-			{
-				$field_name = $edit_field->field_name;
-				if(isset($this->validation_rules[$field_name]))
-				{
-					$rule = $this->validation_rules[$field_name];
-					$form_validation->set_rules($rule['field'],$rule['label'],$rule['rules']);
-				}
-			}
-
-			if($form_validation->run())
-			{
-				$validation_result->success = true;
-			}
-			else
-			{
-				$validation_result->error_message = $form_validation->error_string();
-				$validation_result->error_fields = $form_validation->_error_array;
-			}
-		}
-		else
-		{
-			$validation_result->success = true;
-		}
-
-		return $validation_result;
-	}
-
-	protected function db_insert($state_info)
-	{
-		$validation_result = $this->db_insert_validation();
-
-		if($validation_result->success)
-		{
-			$post_data = $state_info->unwrapped_data;
-
-			$add_fields = $this->get_add_fields();
-
-			if($this->callback_insert === null)
-			{
-				if($this->callback_before_insert !== null)
-				{
-					$callback_return = call_user_func($this->callback_before_insert, $post_data);
-
-					if(!empty($callback_return) && is_array($callback_return))
-						$post_data = $callback_return;
-					elseif($callback_return === false)
-						return false;
-				}
-
-				$insert_data = array();
-				$types = $this->get_field_types();
-				foreach($add_fields as $num_row => $field)
-				{
-					/* If the multiselect or the set is empty then the browser doesn't send an empty array. Instead it sends nothing */
-					if(isset($types[$field->field_name]->crud_type) && ($types[$field->field_name]->crud_type == 'set' || $types[$field->field_name]->crud_type == 'multiselect') && !isset($post_data[$field->field_name]))
-					{
-						$post_data[$field->field_name] = array();
-					}
-
-					if(isset($post_data[$field->field_name]) && !isset($this->relation_n_n[$field->field_name]))
-					{
-						if(isset($types[$field->field_name]->db_null) && $types[$field->field_name]->db_null && is_array($post_data[$field->field_name]) && empty($post_data[$field->field_name]))
-						{
-							$insert_data[$field->field_name] = null;
-						}
-						elseif(isset($types[$field->field_name]->db_null) && $types[$field->field_name]->db_null && $post_data[$field->field_name] === '')
-						{
-							$insert_data[$field->field_name] = null;
-						}
-						elseif(isset($types[$field->field_name]->crud_type) && $types[$field->field_name]->crud_type == 'date')
-						{
-							$insert_data[$field->field_name] = $this->_convert_date_to_sql_date($post_data[$field->field_name]);
-						}
-						elseif(isset($types[$field->field_name]->crud_type) && $types[$field->field_name]->crud_type == 'readonly')
-						{
-							//This empty if statement is to make sure that a readonly field will never inserted/updated
-						}
-						elseif(isset($types[$field->field_name]->crud_type) && ($types[$field->field_name]->crud_type == 'set' || $types[$field->field_name]->crud_type == 'multiselect'))
-						{
-							$insert_data[$field->field_name] = !empty($post_data[$field->field_name]) ? implode(',',$post_data[$field->field_name]) : '';
-						}
-						elseif(isset($types[$field->field_name]->crud_type) && $types[$field->field_name]->crud_type == 'datetime'){
-							$insert_data[$field->field_name] = $this->_convert_date_to_sql_date(substr($post_data[$field->field_name],0,10)).
-																		substr($post_data[$field->field_name],10);
-						}
-						else
-						{
-							$insert_data[$field->field_name] = $post_data[$field->field_name];
-						}
-					}
-				}
-
-				$insert_result =  $this->basic_model->db_insert($insert_data);
-
-				if($insert_result !== false)
-				{
-					$insert_primary_key = $insert_result;
-				}
-				else
-				{
-					return false;
-				}
-
-				if(!empty($this->relation_n_n))
-				{
-					foreach($this->relation_n_n as $field_name => $field_info)
-					{
-						$relation_data = isset( $post_data[$field_name] ) ? $post_data[$field_name] : array() ;
-						$this->db_relation_n_n_update($field_info, $relation_data  ,$insert_primary_key);
-					}
-				}
-
-				if($this->callback_after_insert !== null)
-				{
-					$callback_return = call_user_func($this->callback_after_insert, $post_data, $insert_primary_key);
-
-					if($callback_return === false)
-					{
-						return false;
-					}
-
-				}
-			}else
-			{
-					$callback_return = call_user_func($this->callback_insert, $post_data);
-
-					if($callback_return === false)
-					{
-						return false;
-					}
-			}
-
-			if(isset($insert_primary_key))
-				return $insert_primary_key;
-			else
-				return true;
-		}
-
-		return false;
-
-	}
-
-	protected function db_update($state_info)
-	{
-		$validation_result = $this->db_update_validation();
-
-		$edit_fields = $this->get_edit_fields();
-
-		if($validation_result->success)
-		{
-			$post_data 		= $state_info->unwrapped_data;
-			$primary_key 	= $state_info->primary_key;
-
-			if($this->callback_update === null)
-			{
-				if($this->callback_before_update !== null)
-				{
-					$callback_return = call_user_func($this->callback_before_update, $post_data, $primary_key);
-
-					if(!empty($callback_return) && is_array($callback_return))
-					{
-						$post_data = $callback_return;
-					}
-					elseif($callback_return === false)
-					{
-						return false;
-					}
-
-				}
-
-				$update_data = array();
-				$types = $this->get_field_types();
-				foreach($edit_fields as $num_row => $field)
-				{
-					/* If the multiselect or the set is empty then the browser doesn't send an empty array. Instead it sends nothing */
-					if(isset($types[$field->field_name]->crud_type) && ($types[$field->field_name]->crud_type == 'set' || $types[$field->field_name]->crud_type == 'multiselect') && !isset($post_data[$field->field_name]))
-					{
-						$post_data[$field->field_name] = array();
-					}
-
-					if(isset($post_data[$field->field_name]) && !isset($this->relation_n_n[$field->field_name]))
-					{
-						if(isset($types[$field->field_name]->db_null) && $types[$field->field_name]->db_null && is_array($post_data[$field->field_name]) && empty($post_data[$field->field_name]))
-						{
-							$update_data[$field->field_name] = null;
-						}
-						elseif(isset($types[$field->field_name]->db_null) && $types[$field->field_name]->db_null && $post_data[$field->field_name] === '')
-						{
-							$update_data[$field->field_name] = null;
-						}
-						elseif(isset($types[$field->field_name]->crud_type) && $types[$field->field_name]->crud_type == 'date')
-						{
-							$update_data[$field->field_name] = $this->_convert_date_to_sql_date($post_data[$field->field_name]);
-						}
-						elseif(isset($types[$field->field_name]->crud_type) && $types[$field->field_name]->crud_type == 'readonly')
-						{
-							//This empty if statement is to make sure that a readonly field will never inserted/updated
-						}
-						elseif(isset($types[$field->field_name]->crud_type) && ($types[$field->field_name]->crud_type == 'set' || $types[$field->field_name]->crud_type == 'multiselect'))
-						{
-							$update_data[$field->field_name] = !empty($post_data[$field->field_name]) ? implode(',',$post_data[$field->field_name]) : '';
-						}
-						elseif(isset($types[$field->field_name]->crud_type) && $types[$field->field_name]->crud_type == 'datetime'){
-							$update_data[$field->field_name] = $this->_convert_date_to_sql_date(substr($post_data[$field->field_name],0,10)).
-																		substr($post_data[$field->field_name],10);
-						}
-						else
-						{
-							$update_data[$field->field_name] = $post_data[$field->field_name];
-						}
-					}
-				}
-
-				if($this->basic_model->db_update($update_data, $primary_key) === false)
-				{
-					return false;
-				}
-
-				if(!empty($this->relation_n_n))
-				{
-					foreach($this->relation_n_n as $field_name => $field_info)
-					{
-						if (   $this->unset_edit_fields !== null
-							&& is_array($this->unset_edit_fields)
-							&& in_array($field_name,$this->unset_edit_fields)
-						) {
-								continue;
-						}
-
-						$relation_data = isset( $post_data[$field_name] ) ? $post_data[$field_name] : array() ;
-						$this->db_relation_n_n_update($field_info, $relation_data ,$primary_key);
-					}
-				}
-
-				if($this->callback_after_update !== null)
-				{
-					$callback_return = call_user_func($this->callback_after_update, $post_data, $primary_key);
-
-					if($callback_return === false)
-					{
-						return false;
-					}
-
-				}
-			}
-			else
-			{
-				$callback_return = call_user_func($this->callback_update, $post_data, $primary_key);
-
-				if($callback_return === false)
-				{
-					return false;
-				}
-			}
-
-			return true;
-		}
-		else
-		{
-			return false;
-		}
-	}
-
-	protected function _convert_date_to_sql_date($date)
-	{
-		$date = substr($date,0,10);
-		if(preg_match('/\d{4}-\d{2}-\d{2}/',$date))
-		{
-			//If it's already a sql-date don't convert it!
-			return $date;
-		}elseif(empty($date))
-		{
-			return '';
-		}
-
-		$date_array = preg_split( '/[-\.\/ ]/', $date);
-		if($this->php_date_format == 'd/m/Y')
-		{
-			$sql_date = date('Y-m-d',mktime(0,0,0,$date_array[1],$date_array[0],$date_array[2]));
-		}
-		elseif($this->php_date_format == 'm/d/Y')
-		{
-			$sql_date = date('Y-m-d',mktime(0,0,0,$date_array[0],$date_array[1],$date_array[2]));
-		}
-		else
-		{
-			$sql_date = $date;
-		}
-
-		return $sql_date;
-	}
-
-	protected function _get_field_names_to_search(array $relation_values)
-	{
-		if(!strstr($relation_values[2],'{'))
-			return $this->_unique_join_name($relation_values[0]).'.'.$relation_values[2];
-		else
-		{
-			$relation_values[2] = ' '.$relation_values[2].' ';
-			$temp1 = explode('{',$relation_values[2]);
-			unset($temp1[0]);
-
-			$field_names_array = array();
-			foreach($temp1 as $field)
-				list($field_names_array[]) = explode('}',$field);
-
-			return $field_names_array;
-		}
-	}
+                } elseif(isset($this->relation_n_n[$state_info->search->field])) {
+                    $escaped_text = $this->basic_model->escape_str($state_info->search->text);
+                    $this->having($state_info->search->field." LIKE '%".$escaped_text."%'");
+                } else {
+                    $this->like($state_info->search->field , $state_info->search->text);
+                }
+            }
+            else
+            {
+                $columns = $this->get_columns();
 
-    protected function _unique_join_name($field_name)
-    {
-    	return 'j'.substr(md5($field_name),0,8); //This j is because is better for a string to begin with a letter and not a number
+                $search_text = $state_info->search->text;
+
+                if(!empty($this->where))
+                    foreach($this->where as $where)
+                        $this->basic_model->having($where[0],$where[1],$where[2]);
+
+                foreach($columns as $column)
+                {
+                    if(isset($temp_relation[$column->field_name]))
+                    {
+                        if(is_array($temp_relation[$column->field_name]))
+                        {
+                            foreach($temp_relation[$column->field_name] as $search_field)
+                            {
+                                $this->or_like($search_field, $search_text);
+                            }
+                        }
+                        else
+                        {
+                            $this->or_like($temp_relation[$column->field_name], $search_text);
+                        }
+                    }
+                    elseif(isset($this->relation_n_n[$column->field_name]))
+                    {
+                        //@todo have a where for the relation_n_n statement
+                    }
+                    else
+                    {
+                        $this->or_like($column->field_name, $search_text);
+                    }
+                }
+            }
+        }
     }
 
-    protected function _unique_field_name($field_name)
+    protected function table_exists($table_name = null)
     {
-    	return 's'.substr(md5($field_name),0,8); //This s is because is better for a string to begin with a letter and not a number
+        if($this->basic_model->db_table_exists($table_name))
+            return true;
+        return false;
     }
 
-    protected function db_multiple_delete($state_info)
+    protected function get_relation_array($relation_info, $primary_key_value = null, $limit = null)
     {
-        foreach ($state_info->ids as $delete_id) {
-            $result = $this->db_delete((object)array('primary_key' => $delete_id));
-            if (!$result) {
-                return false;
-            }
+        list($field_name , $related_table , $related_field_title, $where_clause, $order_by)  = $relation_info;
+
+        if($primary_key_value !== null)
+        {
+            $primary_key = $this->basic_model->get_primary_key($related_table);
+
+            //A where clause with the primary key is enough to take the selected key row
+            $where_clause = array($primary_key => $primary_key_value);
         }
 
-        return true;
+        $relation_array = $this->basic_model->get_relation_array($field_name , $related_table , $related_field_title, $where_clause, $order_by, $limit);
+
+        return $relation_array;
     }
 
-	protected function db_delete($state_info)
-	{
-		$primary_key_value 	= $state_info->primary_key;
-
-		if($this->callback_delete === null)
-		{
-			if($this->callback_before_delete !== null)
-			{
-				$callback_return = call_user_func($this->callback_before_delete, $primary_key_value);
-
-				if($callback_return === false)
-				{
-					return false;
-				}
-
-			}
-
-			if(!empty($this->relation_n_n))
-			{
-				foreach($this->relation_n_n as $field_name => $field_info)
-				{
-					$this->db_relation_n_n_delete( $field_info, $primary_key_value );
-				}
-			}
-
-			$delete_result = $this->basic_model->db_delete($primary_key_value);
-
-			if($delete_result === false)
-			{
-				return false;
-			}
-
-			if($this->callback_after_delete !== null)
-			{
-				$callback_return = call_user_func($this->callback_after_delete, $primary_key_value);
-
-				if($callback_return === false)
-				{
-					return false;
-				}
-
-			}
-		}
-		else
-		{
-			$callback_return = call_user_func($this->callback_delete, $primary_key_value);
-
-			if($callback_return === false)
-			{
-				return false;
-			}
-		}
-
-		return true;
-	}
-
-	protected function db_relation_n_n_update($field_info, $post_data , $primary_key_value)
-	{
-		$this->basic_model->db_relation_n_n_update($field_info, $post_data , $primary_key_value);
-	}
-
-	protected function db_relation_n_n_delete($field_info, $primary_key_value)
-	{
-		$this->basic_model->db_relation_n_n_delete($field_info, $primary_key_value);
-	}
-
-	protected function get_list()
-	{
-		if(!empty($this->order_by))
-			$this->basic_model->order_by($this->order_by[0],$this->order_by[1]);
-
-		if(!empty($this->where))
-			foreach($this->where as $where)
-				$this->basic_model->where($where[0],$where[1],$where[2]);
-
-		if(!empty($this->or_where))
-			foreach($this->or_where as $or_where)
-				$this->basic_model->or_where($or_where[0],$or_where[1],$or_where[2]);
-
-		if(!empty($this->like))
-			foreach($this->like as $like)
-				$this->basic_model->like($like[0],$like[1],$like[2]);
-
-		if(!empty($this->or_like))
-			foreach($this->or_like as $or_like)
-				$this->basic_model->or_like($or_like[0],$or_like[1],$or_like[2]);
-
-		if(!empty($this->having))
-			foreach($this->having as $having)
-				$this->basic_model->having($having[0],$having[1],$having[2]);
-
-		if(!empty($this->or_having))
-			foreach($this->or_having as $or_having)
-				$this->basic_model->or_having($or_having[0],$or_having[1],$or_having[2]);
-
-		if(!empty($this->relation))
-			foreach($this->relation as $relation)
-				$this->basic_model->join_relation($relation[0],$relation[1],$relation[2]);
-
-		if(!empty($this->relation_n_n))
-		{
-			$columns = $this->get_columns();
-			foreach($columns as $column)
-			{
-				//Use the relation_n_n ONLY if the column is called . The set_relation_n_n are slow and it will make the table slower without any reason as we don't need those queries.
-				if(isset($this->relation_n_n[$column->field_name]))
-				{
-					$this->basic_model->set_relation_n_n_field($this->relation_n_n[$column->field_name]);
-				}
-			}
-
-		}
-
-		if($this->theme_config['crud_paging'] === true)
-		{
-			if($this->limit === null)
-			{
-				$default_per_page = $this->config->default_per_page;
-				if(is_numeric($default_per_page) && $default_per_page >1)
-				{
-					$this->basic_model->limit($default_per_page);
-				}
-				else
-				{
-					$this->basic_model->limit(10);
-				}
-			}
-			else
-			{
-				$this->basic_model->limit($this->limit[0],$this->limit[1]);
-			}
-		}
-
-		$results = $this->basic_model->get_list();
-
-		return $results;
-	}
-
-	protected function get_edit_values($primary_key_value)
-	{
-		$values = $this->basic_model->get_edit_values($primary_key_value);
-
-		if(!empty($this->relation_n_n))
-		{
-			foreach($this->relation_n_n as $field_name => $field_info)
-			{
-				$values->$field_name = $this->get_relation_n_n_selection_array($primary_key_value, $field_info);
-			}
-		}
-
-		return $values;
-	}
-
-	protected function get_relation_n_n_selection_array($primary_key_value, $field_info)
-	{
-		return $this->basic_model->get_relation_n_n_selection_array($primary_key_value, $field_info);
-	}
-
-	protected function get_relation_n_n_unselected_array($field_info, $selected_values)
-	{
-		return $this->basic_model->get_relation_n_n_unselected_array($field_info, $selected_values);
-	}
-
-	protected function set_basic_db_table($table_name = null)
-	{
-		$this->basic_model->set_basic_table($table_name);
-	}
-
-	protected function upload_file($state_info)
-	{
-		if(isset($this->upload_fields[$state_info->field_name]) )
-		{
-			if($this->callback_upload === null)
-			{
-				if($this->callback_before_upload !== null)
-				{
-					$callback_before_upload_response = call_user_func($this->callback_before_upload, $_FILES,  $this->upload_fields[$state_info->field_name]);
-
-					if($callback_before_upload_response === false)
-						return false;
-					elseif(is_string($callback_before_upload_response))
-						return $callback_before_upload_response;
-				}
-
-				$upload_info = $this->upload_fields[$state_info->field_name];
-
-				header('Pragma: no-cache');
-				header('Cache-Control: private, no-cache');
-				header('Content-Disposition: inline; filename="files.json"');
-				header('X-Content-Type-Options: nosniff');
-				header('Access-Control-Allow-Origin: *');
-				header('Access-Control-Allow-Methods: OPTIONS, HEAD, GET, POST, PUT, DELETE');
-				header('Access-Control-Allow-Headers: X-File-Name, X-File-Type, X-File-Size');
-
-				$allowed_files = $this->config->file_upload_allow_file_types;
-
-		                $reg_exp = '';
-		                if(!empty($upload_info->allowed_file_types)){
-		                    $reg_exp = '/(\\.|\\/)('.$upload_info->allowed_file_types.')$/i';
-		                }else{
-		                    $reg_exp = '/(\\.|\\/)('.$allowed_files.')$/i';
-		                }
-
-				$max_file_size_ui = $this->config->file_upload_max_file_size;
-				$max_file_size_bytes = $this->_convert_bytes_ui_to_bytes($max_file_size_ui);
-
-				$options = array(
-					'upload_dir' 		=> $upload_info->upload_path.'/',
-					'param_name'		=> $this->_unique_field_name($state_info->field_name),
-					'upload_url'		=> base_url().$upload_info->upload_path.'/',
-					'accept_file_types' => $reg_exp,
-					'max_file_size'		=> $max_file_size_bytes
-				);
-				$upload_handler = new UploadHandler($options);
-				$upload_handler->default_config_path = $this->default_config_path;
-				$uploader_response = $upload_handler->post();
-
-				if(is_array($uploader_response))
-				{
-					foreach($uploader_response as &$response)
-					{
-						unset($response->delete_url);
-						unset($response->delete_type);
-					}
-				}
-
-				if($this->callback_after_upload !== null)
-				{
-					$callback_after_upload_response = call_user_func($this->callback_after_upload, $uploader_response ,  $this->upload_fields[$state_info->field_name] , $_FILES );
-
-					if($callback_after_upload_response === false)
-						return false;
-					elseif(is_string($callback_after_upload_response))
-						return $callback_after_upload_response;
-					elseif(is_array($callback_after_upload_response))
-						$uploader_response = $callback_after_upload_response;
-				}
-
-				return $uploader_response;
-			}
-			else
-			{
-				$upload_response = call_user_func($this->callback_upload, $_FILES, $this->upload_fields[$state_info->field_name] );
-
-				if($upload_response === false)
-				{
-					return false;
-				}
-				else
-				{
-					return $upload_response;
-				}
-			}
-		}
-		else
-		{
-			return false;
-		}
-	}
-
-	protected function delete_file($state_info)
-	{
-
-		if(isset($state_info->field_name) && isset($this->upload_fields[$state_info->field_name]))
-		{
-			$upload_info = $this->upload_fields[$state_info->field_name];
-
-			if(file_exists("{$upload_info->upload_path}/{$state_info->file_name}"))
-			{
-				if( unlink("{$upload_info->upload_path}/{$state_info->file_name}") )
-				{
-					$this->basic_model->db_file_delete($state_info->field_name, $state_info->file_name);
-
-					return true;
-				}
-				else
-				{
-					return false;
-				}
-			}
-			else
-			{
-				$this->basic_model->db_file_delete($state_info->field_name, $state_info->file_name);
-				return true;
-			}
-		}
-		else
-		{
-			return false;
-		}
-	}
-
-	protected function ajax_relation($state_info)
-	{
-		if(!isset($this->relation[$state_info->field_name]))
-			return false;
-
-		list($field_name, $related_table, $related_field_title, $where_clause, $order_by)  = $this->relation[$state_info->field_name];
-
-		return $this->basic_model->get_ajax_relation_array($state_info->search, $field_name, $related_table, $related_field_title, $where_clause, $order_by);
-	}
-}
+    protected function get_relation_total_rows($relation_info)
+    {
+        list($field_name , $related_table , $related_field_title, $where_clause)  = $relation_info;
 
+        $relation_array = $this->basic_model->get_relation_total_rows($field_name , $related_table , $related_field_title, $where_clause);
 
-/**
- * PHP grocery CRUD
- *
- * LICENSE
- *
- * Grocery CRUD is released with dual licensing, using the GPL v3 (license-gpl3.txt) and the MIT license (license-mit.txt).
- * You don't have to do anything special to choose one license or the other and you don't have to notify anyone which license you are using.
- * Please see the corresponding license file for details of these licenses.
- * You are free to use, modify and distribute this software, but all copyright information must remain.
- *
- * @package    	grocery CRUD
- * @copyright  	Copyright (c) 2010 through 2014, John Skoumbourdis
- * @license    	https://github.com/scoumbourdis/grocery-crud/blob/master/license-grocery-crud.txt
- * @author     	John Skoumbourdis <scoumbourdisj@gmail.com>
- */
+        return $relation_array;
+    }
 
-// ------------------------------------------------------------------------
+    protected function db_insert_validation()
+    {
+        $validation_result = (object)array('success'=>false);
 
-/**
- * PHP grocery Layout
- *
- * Here you manage all the HTML Layout
- *
- * @package    	grocery CRUD
- * @author     	John Skoumbourdis <scoumbourdisj@gmail.com>
- * @version    	1.5.6
- */
-class grocery_CRUD_Layout extends grocery_CRUD_Model_Driver
-{
-	private $theme_path 				= null;
-	private $views_as_string			= '';
-	private $echo_and_die				= false;
-	protected $theme 					= null;
-	protected $default_true_false_text 	= array('inactive' , 'active');
+        $field_types = $this->get_field_types();
+        $required_fields = $this->required_fields;
+        $unique_fields = $this->_unique_fields;
+        $add_fields = $this->get_add_fields();
 
-	protected $css_files				= array();
-	protected $js_files					= array();
-	protected $js_lib_files				= array();
-	protected $js_config_files			= array();
+        if(!empty($required_fields))
+        {
+            foreach($add_fields as $add_field)
+            {
+                $field_name = $add_field->field_name;
+                if(!isset($this->validation_rules[$field_name]) && in_array( $field_name, $required_fields) )
+                {
+                    $this->set_rules( $field_name, $field_types[$field_name]->display_as, 'required');
+                }
+            }
+        }
 
-	protected function set_basic_Layout()
-	{
-		if(!file_exists($this->theme_path.$this->theme.'/views/list_template.php'))
-		{
-			throw new Exception('The template does not exist. Please check your files and try again.', 12);
-			die();
-		}
-	}
+        /** Checking for unique fields. If the field value is not unique then
+         * return a validation error straight away, if not continue... */
+        if(!empty($unique_fields))
+        {
+            $form_validation = $this->form_validation();
 
-	protected function showList($ajax = false, $state_info = null)
-	{
-		$data = $this->get_common_data();
+            foreach($add_fields as $add_field)
+            {
+                $field_name = $add_field->field_name;
+                if(in_array( $field_name, $unique_fields) )
+                {
+                    $form_validation->set_rules( $field_name,
+                            $field_types[$field_name]->display_as,
+                            'is_unique['.$this->basic_db_table.'.'.$field_name.']');
+                }
+            }
 
-		$data->order_by 	= $this->order_by;
+            if(!$form_validation->run())
+            {
+                $validation_result->error_message = $form_validation->error_string();
+                $validation_result->error_fields = $form_validation->_error_array;
 
-		$data->types 		= $this->get_field_types();
+                return $validation_result;
+            }
+        }
 
-		$data->list = $this->get_list();
-		$data->list = $this->change_list($data->list , $data->types);
-		$data->list = $this->change_list_add_actions($data->list);
+        if(!empty($this->validation_rules))
+        {
+            $form_validation = $this->form_validation();
 
-		$data->total_results = $this->get_total_results();
+            $add_fields = $this->get_add_fields();
 
-		$data->columns 				= $this->get_columns();
+            foreach($add_fields as $add_field)
+            {
+                $field_name = $add_field->field_name;
+                if(isset($this->validation_rules[$field_name]))
+                {
+                    $rule = $this->validation_rules[$field_name];
+                    $form_validation->set_rules($rule['field'],$rule['label'],$rule['rules']);
+                }
+            }
 
-		$data->success_message		= $this->get_success_message_at_list($state_info);
+            if($form_validation->run())
+            {
+                $validation_result->success = true;
+            }
+            else
+            {
+                $validation_result->error_message = $form_validation->error_string();
+                $validation_result->error_fields = $form_validation->_error_array;
+            }
+        }
+        else
+        {
+            $validation_result->success = true;
+        }
 
-		$data->primary_key 			= $this->get_primary_key();
-		$data->add_url				= $this->getAddUrl();
-		$data->edit_url				= $this->getEditUrl();
-		$data->delete_url			= $this->getDeleteUrl();
-        $data->delete_multiple_url	= $this->getDeleteMultipleUrl();
-		$data->read_url				= $this->getReadUrl();
-		$data->ajax_list_url		= $this->getAjaxListUrl();
-		$data->ajax_list_info_url	= $this->getAjaxListInfoUrl();
-		$data->export_url			= $this->getExportToExcelUrl();
-		$data->print_url			= $this->getPrintUrl();
-		$data->actions				= $this->actions;
-		$data->unique_hash			= $this->get_method_hash();
-		$data->order_by				= $this->order_by;
-
-		$data->unset_add			= $this->unset_add;
-		$data->unset_edit			= $this->unset_edit;
-		$data->unset_read			= $this->unset_read;
-		$data->unset_delete			= $this->unset_delete;
-		$data->unset_export			= $this->unset_export;
-		$data->unset_print			= $this->unset_print;
-
-		$default_per_page = $this->config->default_per_page;
-		$data->paging_options = $this->config->paging_options;
-		$data->default_per_page		= is_numeric($default_per_page) && $default_per_page >1 && in_array($default_per_page,$data->paging_options)? $default_per_page : 25;
-
-		if($data->list === false)
-		{
-			throw new Exception('It is impossible to get data. Please check your model and try again.', 13);
-			$data->list = array();
-		}
-
-		foreach($data->list as $num_row => $row)
-		{
-            $data->list[$num_row]->primary_key_value = $row->{$data->primary_key};
-			$data->list[$num_row]->edit_url = $data->edit_url.'/'.$row->{$data->primary_key};
-			$data->list[$num_row]->delete_url = $data->delete_url.'/'.$row->{$data->primary_key};
-			$data->list[$num_row]->read_url = $data->read_url.'/'.$row->{$data->primary_key};
-		}
-
-		if(!$ajax)
-		{
-			$this->_add_js_vars(array('dialog_forms' => $this->config->dialog_forms));
-
-			$data->list_view = $this->_theme_view('list.php',$data,true);
-			$this->_theme_view('list_template.php',$data);
-		}
-		else
-		{
-			$this->set_echo_and_die();
-			$this->_theme_view('list.php',$data);
-		}
-	}
-
-	protected function exportToExcel($state_info = null)
-	{
-		$data = $this->get_common_data();
-
-		$data->order_by 	= $this->order_by;
-		$data->types 		= $this->get_field_types();
-
-		$data->list = $this->get_list();
-		$data->list = $this->change_list($data->list , $data->types);
-		$data->list = $this->change_list_add_actions($data->list);
-
-		$data->total_results = $this->get_total_results();
-
-		$data->columns 				= $this->get_columns();
-		$data->primary_key 			= $this->get_primary_key();
-
-		@ob_end_clean();
-		$this->_export_to_excel($data);
-	}
-
-	protected function _export_to_excel($data)
-	{
-		/**
-		 * No need to use an external library here. The only bad thing without using external library is that Microsoft Excel is complaining
-		 * that the file is in a different format than specified by the file extension. If you press "Yes" everything will be just fine.
-		 * */
-
-		$string_to_export = "";
-		foreach($data->columns as $column){
-			$string_to_export .= $column->display_as."\t";
-		}
-		$string_to_export .= "\n";
-
-		foreach($data->list as $num_row => $row){
-			foreach($data->columns as $column){
-				$string_to_export .= $this->_trim_export_string($row->{$column->field_name})."\t";
-			}
-			$string_to_export .= "\n";
-		}
-
-		// Convert to UTF-16LE and Prepend BOM
-		$string_to_export = "\xFF\xFE" .mb_convert_encoding($string_to_export, 'UTF-16LE', 'UTF-8');
-
-		$filename = "export-".date("Y-m-d_H:i:s").".xls";
-
-		header('Content-type: application/vnd.ms-excel;charset=UTF-16LE');
-		header('Content-Disposition: attachment; filename='.$filename);
-		header("Cache-Control: no-cache");
-		echo $string_to_export;
-		die();
-	}
-
-	protected function print_webpage($state_info = null)
-	{
-		$data = $this->get_common_data();
-
-		$data->order_by 	= $this->order_by;
-		$data->types 		= $this->get_field_types();
-
-		$data->list = $this->get_list();
-		$data->list = $this->change_list($data->list , $data->types);
-		$data->list = $this->change_list_add_actions($data->list);
-
-		$data->total_results = $this->get_total_results();
-
-		$data->columns 				= $this->get_columns();
-		$data->primary_key 			= $this->get_primary_key();
-
-		@ob_end_clean();
-		$this->_print_webpage($data);
-	}
-
-	protected function _print_webpage($data)
-	{
-		$string_to_print = "<meta charset=\"utf-8\" /><style type=\"text/css\" >
-		#print-table{ color: #000; background: #fff; font-family: Verdana,Tahoma,Helvetica,sans-serif; font-size: 13px;}
-		#print-table table tr td, #print-table table tr th{ border: 1px solid black; border-bottom: none; border-right: none; padding: 4px 8px 4px 4px}
-		#print-table table{ border-bottom: 1px solid black; border-right: 1px solid black}
-		#print-table table tr th{text-align: left;background: #ddd}
-		#print-table table tr:nth-child(odd){background: #eee}
-		</style>";
-		$string_to_print .= "<div id='print-table'>";
-
-		$string_to_print .= '<table width="100%" cellpadding="0" cellspacing="0" ><tr>';
-		foreach($data->columns as $column){
-			$string_to_print .= "<th>".$column->display_as."</th>";
-		}
-		$string_to_print .= "</tr>";
-
-		foreach($data->list as $num_row => $row){
-			$string_to_print .= "<tr>";
-			foreach($data->columns as $column){
-				$string_to_print .= "<td>".$this->_trim_print_string($row->{$column->field_name})."</td>";
-			}
-			$string_to_print .= "</tr>";
-		}
-
-		$string_to_print .= "</table></div>";
-
-		echo $string_to_print;
-		die();
-	}
-
-	protected function _trim_export_string($value)
-	{
-		$value = str_replace(array("&nbsp;","&amp;","&gt;","&lt;"),array(" ","&",">","<"),$value);
-		return  strip_tags(str_replace(array("\t","\n","\r"),"",$value));
-	}
-
-	protected function _trim_print_string($value)
-	{
-		$value = str_replace(array("&nbsp;","&amp;","&gt;","&lt;"),array(" ","&",">","<"),$value);
-
-		//If the value has only spaces and nothing more then add the whitespace html character
-		if(str_replace(" ","",$value) == "")
-			$value = "&nbsp;";
-
-		return strip_tags($value);
-	}
-
-	protected function set_echo_and_die()
-	{
-		$this->echo_and_die = true;
-	}
-
-	protected function unset_echo_and_die()
-	{
-		$this->echo_and_die = false;
-	}
-
-	protected function showListInfo()
-	{
-		$this->set_echo_and_die();
-
-		$total_results = (int)$this->get_total_results();
-		@ob_end_clean();
-		echo json_encode(array('total_results' => $total_results));
-		die();
-	}
-
-	protected function change_list_add_actions($list)
-	{
-		if(empty($this->actions))
-			return $list;
-
-		$primary_key = $this->get_primary_key();
-
-		foreach($list as $num_row => $row)
-		{
-			$actions_urls = array();
-			foreach($this->actions as $unique_id => $action)
-			{
-				if(!empty($action->url_callback))
-				{
-					$actions_urls[$unique_id] = call_user_func($action->url_callback, $row->$primary_key, $row);
-				}
-				else
-				{
-					$actions_urls[$unique_id] =
-						$action->url_has_http ?
-							$action->link_url.$row->$primary_key :
-							site_url($action->link_url.'/'.$row->$primary_key);
-				}
-			}
-			$row->action_urls = $actions_urls;
-		}
-
-		return $list;
-	}
-
-	protected function change_list($list,$types)
-	{
-		$primary_key = $this->get_primary_key();
-		$has_callbacks = !empty($this->callback_column) ? true : false;
-		$output_columns = $this->get_columns();
-		foreach($list as $num_row => $row)
-		{
-			foreach($output_columns as $column)
-			{
-				$field_name 	= $column->field_name;
-				$field_value 	= isset( $row->{$column->field_name} ) ? $row->{$column->field_name} : null;
-				if( $has_callbacks && isset($this->callback_column[$field_name]) )
-					$list[$num_row]->$field_name = call_user_func($this->callback_column[$field_name], $field_value, $row);
-				elseif(isset($types[$field_name]))
-					$list[$num_row]->$field_name = $this->change_list_value($types[$field_name] , $field_value);
-				else
-					$list[$num_row]->$field_name = $field_value;
-			}
-		}
-
-		return $list;
-	}
-
-	protected function showAddForm()
-	{
-		$this->set_js_lib($this->default_javascript_path.'/'.grocery_CRUD::JQUERY);
-
-		$data 				= $this->get_common_data();
-		$data->types 		= $this->get_field_types();
-
-		$data->list_url 		= $this->getListUrl();
-		$data->insert_url		= $this->getInsertUrl();
-		$data->validation_url	= $this->getValidationInsertUrl();
-		$data->input_fields 	= $this->get_add_input_fields();
-
-		$data->fields 			= $this->get_add_fields();
-		$data->hidden_fields	= $this->get_add_hidden_fields();
-		$data->unset_back_to_list	= $this->unset_back_to_list;
-		$data->unique_hash			= $this->get_method_hash();
-		$data->is_ajax 			= $this->_is_ajax();
-
-		$this->_theme_view('add.php',$data);
-		$this->_inline_js("var js_date_format = '".$this->js_date_format."';");
-
-		$this->_get_ajax_results();
-	}
-
-	protected function showEditForm($state_info)
-	{
-		$this->set_js_lib($this->default_javascript_path.'/'.grocery_CRUD::JQUERY);
-
-		$data 				= $this->get_common_data();
-		$data->types 		= $this->get_field_types();
-
-		$data->field_values = $this->get_edit_values($state_info->primary_key);
-
-		$data->add_url		= $this->getAddUrl();
-
-		$data->list_url 	= $this->getListUrl();
-		$data->update_url	= $this->getUpdateUrl($state_info);
-		$data->delete_url	= $this->getDeleteUrl($state_info);
-		$data->read_url		= $this->getReadUrl($state_info->primary_key);
-		$data->input_fields = $this->get_edit_input_fields($data->field_values);
-		$data->unique_hash			= $this->get_method_hash();
-
-		$data->fields 		= $this->get_edit_fields();
-		$data->hidden_fields	= $this->get_edit_hidden_fields();
-		$data->unset_back_to_list	= $this->unset_back_to_list;
-
-		$data->validation_url	= $this->getValidationUpdateUrl($state_info->primary_key);
-		$data->is_ajax 			= $this->_is_ajax();
-
-		$this->_theme_view('edit.php',$data);
-		$this->_inline_js("var js_date_format = '".$this->js_date_format."';");
-
-		$this->_get_ajax_results();
-	}
-
-	protected function showReadForm($state_info)
-	{
-		$this->set_js_lib($this->default_javascript_path.'/'.grocery_CRUD::JQUERY);
-
-		$data 				= $this->get_common_data();
-		$data->types 		= $this->get_field_types();
-
-		$data->field_values = $this->get_edit_values($state_info->primary_key);
-
-		$data->add_url		= $this->getAddUrl();
-
-		$data->list_url 	= $this->getListUrl();
-		$data->update_url	= $this->getUpdateUrl($state_info);
-		$data->delete_url	= $this->getDeleteUrl($state_info);
-		$data->read_url		= $this->getReadUrl($state_info->primary_key);
-		$data->input_fields = $this->get_read_input_fields($data->field_values);
-		$data->unique_hash			= $this->get_method_hash();
-
-		$data->fields 		= $this->get_read_fields();
-		$data->hidden_fields	= $this->get_edit_hidden_fields();
-		$data->unset_back_to_list	= $this->unset_back_to_list;
-
-		$data->validation_url	= $this->getValidationUpdateUrl($state_info->primary_key);
-		$data->is_ajax 			= $this->_is_ajax();
-
-		$this->_theme_view('read.php',$data);
-		$this->_inline_js("var js_date_format = '".$this->js_date_format."';");
-
-		$this->_get_ajax_results();
-	}
-
-	protected function delete_layout($delete_result = true)
-	{
-		@ob_end_clean();
-		if($delete_result === false)
-		{
-			$error_message = '<p>'.$this->l('delete_error_message').'</p>';
-
-			echo json_encode(array('success' => $delete_result ,'error_message' => $error_message));
-		}
-		else
-		{
-			$success_message = '<p>'.$this->l('delete_success_message').'</p>';
-
-			echo json_encode(array('success' => true , 'success_message' => $success_message));
-		}
-		$this->set_echo_and_die();
-	}
-
-	protected function get_success_message_at_list($field_info = null)
-	{
-		if($field_info !== null && isset($field_info->success_message) && $field_info->success_message)
-		{
-			if(!empty($field_info->primary_key) && !$this->unset_edit)
-			{
-				return $this->l('insert_success_message')." <a class='go-to-edit-form' href='".$this->getEditUrl($field_info->primary_key)."'>".$this->l('form_edit')." {$this->subject}</a> ";
-			}
-			else
-			{
-				return $this->l('insert_success_message');
-			}
-		}
-		else
-		{
-			return null;
-		}
-	}
-
-	protected function insert_layout($insert_result = false)
-	{
-		@ob_end_clean();
-		if($insert_result === false)
-		{
-			echo json_encode(array('success' => false));
-		}
-		else
-		{
-			$success_message = '<p>'.$this->l('insert_success_message');
-
-			if(!$this->unset_back_to_list && !empty($insert_result) && !$this->unset_edit)
-			{
-				$success_message .= " <a class='go-to-edit-form' href='".$this->getEditUrl($insert_result)."'>".$this->l('form_edit')." {$this->subject}</a> ";
-
-				if (!$this->_is_ajax()) {
-					$success_message .= $this->l('form_or');
-				}
-			}
-
-			if(!$this->unset_back_to_list && !$this->_is_ajax())
-			{
-				$success_message .= " <a href='".$this->getListUrl()."'>".$this->l('form_go_back_to_list')."</a>";
-			}
-
-			$success_message .= '</p>';
-
-			echo json_encode(array(
-					'success' => true ,
-					'insert_primary_key' => $insert_result,
-					'success_message' => $success_message,
-					'success_list_url'	=> $this->getListSuccessUrl($insert_result)
-			));
-		}
-		$this->set_echo_and_die();
-	}
-
-	protected function validation_layout($validation_result)
-	{
-		@ob_end_clean();
-		echo json_encode($validation_result);
-		$this->set_echo_and_die();
-	}
-
-	protected function upload_layout($upload_result, $field_name)
-	{
-		@ob_end_clean();
-		if($upload_result !== false && !is_string($upload_result) && empty($upload_result[0]->error))
-		{
-			echo json_encode(
-					(object)array(
-							'success' => true,
-							'files'	=> $upload_result
-					));
-		}
-		else
-		{
-			$result = (object)array('success' => false);
-			if(is_string($upload_result))
-				$result->message = $upload_result;
-			if(!empty($upload_result[0]->error))
-				$result->message = $upload_result[0]->error;
-
-			echo json_encode($result);
-		}
-
-		$this->set_echo_and_die();
-	}
-
-	protected function delete_file_layout($upload_result)
-	{
-		@ob_end_clean();
-		if($upload_result !== false)
-		{
-			echo json_encode( (object)array( 'success' => true ) );
-		}
-		else
-		{
-			echo json_encode((object)array('success' => false));
-		}
-
-		$this->set_echo_and_die();
-	}
-
-	public function set_css($css_file)
-	{
-		$this->css_files[sha1($css_file)] = base_url().$css_file;
-	}
-
-	public function set_js($js_file)
-	{
-		$this->js_files[sha1($js_file)] = base_url().$js_file;
-	}
-
-	public function set_js_lib($js_file)
-	{
-		$this->js_lib_files[sha1($js_file)] = base_url().$js_file;
-		$this->js_files[sha1($js_file)] = base_url().$js_file;
-	}
-
-	public function set_js_config($js_file)
-	{
-		$this->js_config_files[sha1($js_file)] = base_url().$js_file;
-		$this->js_files[sha1($js_file)] = base_url().$js_file;
-	}
-
-	public function is_IE7()
-	{
-		return isset($_SERVER['HTTP_USER_AGENT'])
-					&& (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE 7') !== false)
-					? true : false;
-	}
-
-	public function get_css_files()
-	{
-		return $this->css_files;
-	}
-
-	public function get_js_files()
-	{
-		return $this->js_files;
-	}
-
-	public function get_js_lib_files()
-	{
-		return $this->js_lib_files;
-	}
-
-	public function get_js_config_files()
-	{
-		return $this->js_config_files;
-	}
-
-	/**
-	 * Load Javascripts
-	 **/
-	protected function load_js_fancybox()
-	{
-		$this->set_css($this->default_css_path.'/jquery_plugins/fancybox/jquery.fancybox.css');
-
-		$this->set_js_lib($this->default_javascript_path.'/jquery_plugins/jquery.fancybox-1.3.4.js');
-		$this->set_js_lib($this->default_javascript_path.'/jquery_plugins/jquery.easing-1.3.pack.js');
-	}
-
-	protected function load_js_chosen()
-	{
-		$this->set_css($this->default_css_path.'/jquery_plugins/chosen/chosen.css');
-		$this->set_js_lib($this->default_javascript_path.'/jquery_plugins/jquery.chosen.min.js');
-	}
-
-	protected function load_js_jqueryui()
-	{
-		$this->set_css($this->default_css_path.'/ui/simple/'.grocery_CRUD::JQUERY_UI_CSS);
-		$this->set_js_lib($this->default_javascript_path.'/jquery_plugins/ui/'.grocery_CRUD::JQUERY_UI_JS);
-	}
-
-	protected function load_js_uploader()
-	{
-		$this->set_css($this->default_css_path.'/ui/simple/'.grocery_CRUD::JQUERY_UI_CSS);
-		$this->set_css($this->default_css_path.'/jquery_plugins/file_upload/file-uploader.css');
-		$this->set_css($this->default_css_path.'/jquery_plugins/file_upload/jquery.fileupload-ui.css');
-
-		$this->set_js_lib($this->default_javascript_path.'/jquery_plugins/ui/'.grocery_CRUD::JQUERY_UI_JS);
-		$this->set_js_lib($this->default_javascript_path.'/jquery_plugins/tmpl.min.js');
-		$this->set_js_lib($this->default_javascript_path.'/jquery_plugins/load-image.min.js');
-
-		$this->set_js_lib($this->default_javascript_path.'/jquery_plugins/jquery.iframe-transport.js');
-		$this->set_js_lib($this->default_javascript_path.'/jquery_plugins/jquery.fileupload.js');
-		$this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.fileupload.config.js');
-	}
-
-	protected function get_layout()
-	{
-		$js_files = $this->get_js_files();
-		$css_files =  $this->get_css_files();
-
-		$js_lib_files = $this->get_js_lib_files();
-		$js_config_files = $this->get_js_config_files();
-
-		if ($this->unset_jquery) {
-			unset($js_files[sha1($this->default_javascript_path.'/'.grocery_CRUD::JQUERY)]);
-		}
-
-		if ($this->unset_jquery_ui) {
-			unset($css_files[sha1($this->default_css_path.'/ui/simple/'.grocery_CRUD::JQUERY_UI_CSS)]);
-			unset($js_files[sha1($this->default_javascript_path.'/jquery_plugins/ui/'.grocery_CRUD::JQUERY_UI_JS)]);
-		}
-
-		if ($this->unset_bootstrap) {
-			unset($js_files[sha1($this->default_theme_path.'/bootstrap/js/bootstrap/dropdown.js')]);
-			unset($js_files[sha1($this->default_theme_path.'/bootstrap/js/bootstrap/modal.js')]);
-			unset($js_files[sha1($this->default_theme_path.'/bootstrap/js/bootstrap/dropdown.min.js')]);
-			unset($js_files[sha1($this->default_theme_path.'/bootstrap/js/bootstrap/modal.min.js')]);
-			unset($css_files[sha1($this->default_theme_path.'/bootstrap/css/bootstrap/bootstrap.css')]);
-			unset($css_files[sha1($this->default_theme_path.'/bootstrap/css/bootstrap/bootstrap.min.css')]);
-            unset($css_files[sha1($this->default_theme_path.'/bootstrap-v4/css/bootstrap/bootstrap.css')]);
-            unset($css_files[sha1($this->default_theme_path.'/bootstrap-v4/css/bootstrap/bootstrap.min.css')]);
-		}
-
-		if($this->echo_and_die === false)
-		{
-			/** Initialize JavaScript variables */
-			$js_vars =  array(
-					'default_javascript_path'	=> base_url().$this->default_javascript_path,
-					'default_css_path'			=> base_url().$this->default_css_path,
-					'default_texteditor_path'	=> base_url().$this->default_texteditor_path,
-					'default_theme_path'		=> base_url().$this->default_theme_path,
-					'base_url'				 	=> base_url()
-			);
-			$this->_add_js_vars($js_vars);
-
-			return (object)array(
-					'js_files' => $js_files,
-					'js_lib_files' => $js_lib_files,
-					'js_config_files' => $js_config_files,
-					'css_files' => $css_files,
-					'output' => $this->views_as_string,
-			);
-		}
-		elseif($this->echo_and_die === true)
-		{
-			echo $this->views_as_string;
-			die();
-		}
-	}
-
-	protected function update_layout($update_result = false, $state_info = null)
-	{
-		@ob_end_clean();
-		if($update_result === false)
-		{
-			echo json_encode(array('success' => $update_result));
-		}
-		else
-		{
-			$success_message = '<p>'.$this->l('update_success_message');
-			if(!$this->unset_back_to_list && !$this->_is_ajax())
-			{
-				$success_message .= " <a href='".$this->getListUrl()."'>".$this->l('form_go_back_to_list')."</a>";
-			}
-			$success_message .= '</p>';
-
-			echo json_encode(array(
-					'success' => true ,
-					'insert_primary_key' => $update_result,
-					'success_message' => $success_message,
-					'success_list_url'	=> $this->getListSuccessUrl($state_info->primary_key)
-			));
-		}
-		$this->set_echo_and_die();
-	}
-
-	protected function get_integer_input($field_info,$value)
-	{
-		$this->set_js_lib($this->default_javascript_path.'/jquery_plugins/jquery.numeric.min.js');
-		$this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.numeric.config.js');
-		$extra_attributes = '';
-		if(!empty($field_info->db_max_length))
-			$extra_attributes .= "maxlength='{$field_info->db_max_length}'";
-		$input = "<input id='field-{$field_info->name}' name='{$field_info->name}' type='text' value='$value' class='numeric form-control' $extra_attributes />";
-		return $input;
-	}
-
-	protected function get_true_false_input($field_info,$value)
-	{
-		$value_is_null = empty($value) && $value !== '0' && $value !== 0 ? true : false;
-
-		$input = "<div class='pretty-radio-buttons'>";
-
-		$true_string = is_array($field_info->extras) && array_key_exists(1,$field_info->extras) ? $field_info->extras[1] : $this->default_true_false_text[1];
-		$checked = $value === '1' || ($value_is_null && $field_info->default === '1') ? "checked = 'checked'" : "";
-		$input .=
-			"<div class=\"radio\"><label>
-				<input id='field-{$field_info->name}-true' type=\"radio\" name=\"{$field_info->name}\" value=\"1\" $checked />
-				$true_string
-			 </label> </div>";
-
-		$false_string =  is_array($field_info->extras) && array_key_exists(0,$field_info->extras) ? $field_info->extras[0] : $this->default_true_false_text[0];
-		$checked = $value === '0' || ($value_is_null && $field_info->default === '0') ? "checked = 'checked'" : "";
-		$input .=
-			"<div class=\"radio\"><label>
-				<input id='field-{$field_info->name}-false' type=\"radio\" name=\"{$field_info->name}\" value=\"0\" $checked />
-				$false_string
-			 </label> </div>";
-
-		$input .= "</div>";
-
-		return $input;
-	}
+        return $validation_result;
+    }
 
-	protected function get_string_input($field_info,$value)
-	{
-		$value = !is_string($value) ? '' : str_replace('"',"&quot;",$value);
+    protected function form_validation()
+    {
+        if($this->form_validation === null)
+        {
+            $this->form_validation = new grocery_CRUD_Form_validation();
+            $ci = &get_instance();
+            $ci->load->library('form_validation');
+            $ci->form_validation = $this->form_validation;
+        }
+        return $this->form_validation;
+    }
 
-		$extra_attributes = '';
-		if (!empty($field_info->db_max_length)) {
+    protected function db_update_validation()
+    {
+        $validation_result = (object)array('success'=>false);
 
-            if (in_array($field_info->type, array("decimal", "float"))) {
-                $decimal_lentgh = explode(",", $field_info->db_max_length);
-                $decimal_lentgh = ((int)$decimal_lentgh[0]) + 1;
+        $field_types = $this->get_field_types();
+        $required_fields = $this->required_fields;
+        $unique_fields = $this->_unique_fields;
+        $edit_fields = $this->get_edit_fields();
 
-                $extra_attributes .= "maxlength='" . $decimal_lentgh . "'";
-            } else {
-                $extra_attributes .= "maxlength='{$field_info->db_max_length}'";
+        if(!empty($required_fields))
+        {
+            foreach($edit_fields as $edit_field)
+            {
+                $field_name = $edit_field->field_name;
+                if(!isset($this->validation_rules[$field_name]) && in_array( $field_name, $required_fields) )
+                {
+                    $this->set_rules( $field_name, $field_types[$field_name]->display_as, 'required');
+                }
             }
-
         }
-		$input = "<input id='field-{$field_info->name}' class='form-control' name='{$field_info->name}' type='text' value=\"$value\" $extra_attributes />";
-		return $input;
-	}
-
-	protected function get_text_input($field_info,$value)
-	{
-		if($field_info->extras == 'text_editor')
-		{
-			$editor = $this->config->default_text_editor;
-			switch ($editor) {
-				case 'ckeditor':
-					$this->set_js_lib($this->default_texteditor_path.'/ckeditor/ckeditor.js');
-					$this->set_js_lib($this->default_texteditor_path.'/ckeditor/adapters/jquery.js');
-					$this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.ckeditor.config.js');
-				break;
-
-				case 'tinymce':
-					$this->set_js_lib($this->default_texteditor_path.'/tiny_mce/jquery.tinymce.js');
-					$this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.tine_mce.config.js');
-				break;
-
-				case 'markitup':
-					$this->set_css($this->default_texteditor_path.'/markitup/skins/markitup/style.css');
-					$this->set_css($this->default_texteditor_path.'/markitup/sets/default/style.css');
-
-					$this->set_js_lib($this->default_texteditor_path.'/markitup/jquery.markitup.js');
-					$this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.markitup.config.js');
-				break;
-			}
-
-			$class_name = $this->config->text_editor_type == 'minimal' ? 'mini-texteditor' : 'texteditor';
-
-			$input = "<textarea id='field-{$field_info->name}' name='{$field_info->name}' class='$class_name' >$value</textarea>";
-		}
-		else
-		{
-			$input = "<textarea id='field-{$field_info->name}' name='{$field_info->name}'>$value</textarea>";
-		}
-		return $input;
-	}
-
-	protected function get_datetime_input($field_info,$value)
-	{
-		$this->set_css($this->default_css_path.'/ui/simple/'.grocery_CRUD::JQUERY_UI_CSS);
-		$this->set_css($this->default_css_path.'/jquery_plugins/jquery.ui.datetime.css');
-		$this->set_css($this->default_css_path.'/jquery_plugins/jquery-ui-timepicker-addon.css');
-		$this->set_js_lib($this->default_javascript_path.'/jquery_plugins/ui/'.grocery_CRUD::JQUERY_UI_JS);
-		$this->set_js_lib($this->default_javascript_path.'/jquery_plugins/jquery-ui-timepicker-addon.js');
-
-		if($this->language !== 'english')
-		{
-			include($this->default_config_path.'/language_alias.php');
-			if(array_key_exists($this->language, $language_alias))
-			{
-				$i18n_date_js_file = $this->default_javascript_path.'/jquery_plugins/ui/i18n/datepicker/jquery.ui.datepicker-'.$language_alias[$this->language].'.js';
-				if(file_exists($i18n_date_js_file))
-				{
-					$this->set_js_lib($i18n_date_js_file);
-				}
-
-				$i18n_datetime_js_file = $this->default_javascript_path.'/jquery_plugins/ui/i18n/timepicker/jquery-ui-timepicker-'.$language_alias[$this->language].'.js';
-				if(file_exists($i18n_datetime_js_file))
-				{
-					$this->set_js_lib($i18n_datetime_js_file);
-				}
-			}
-		}
-
-		$this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery-ui-timepicker-addon.config.js');
-
-		if(!empty($value) && $value != '0000-00-00 00:00:00' && $value != '1970-01-01 00:00:00'){
-			list($year,$month,$day) = explode('-',substr($value,0,10));
-			$date = date($this->php_date_format, mktime(0,0,0,$month,$day,$year));
-			$datetime = $date.substr($value,10);
-		}
-		else
-		{
-			$datetime = '';
-		}
-		$input = "<input id='field-{$field_info->name}' name='{$field_info->name}' type='text' value='$datetime' maxlength='19' class='datetime-input form-control' />
-		<a class='datetime-input-clear' tabindex='-1'>".$this->l('form_button_clear')."</a>
-		({$this->ui_date_format}) hh:mm:ss";
-		return $input;
-	}
-
-	protected function get_hidden_input($field_info,$value)
-	{
-		if($field_info->extras !== null && $field_info->extras != false)
-			$value = $field_info->extras;
-		$input = "<input id='field-{$field_info->name}' type='hidden' name='{$field_info->name}' value='$value' />";
-		return $input;
-	}
-
-	protected function get_password_input($field_info,$value)
-	{
-		$value = !is_string($value) ? '' : $value;
-
-		$extra_attributes = '';
-		if(!empty($field_info->db_max_length))
-			$extra_attributes .= "maxlength='{$field_info->db_max_length}'";
-		$input = "<input id='field-{$field_info->name}' class='form-control' name='{$field_info->name}' type='password' value='$value' $extra_attributes />";
-		return $input;
-	}
-
-	protected function get_date_input($field_info,$value)
-	{
-		$this->set_css($this->default_css_path.'/ui/simple/'.grocery_CRUD::JQUERY_UI_CSS);
-		$this->set_js_lib($this->default_javascript_path.'/jquery_plugins/ui/'.grocery_CRUD::JQUERY_UI_JS);
-
-		if($this->language !== 'english')
-		{
-			include($this->default_config_path.'/language_alias.php');
-			if(array_key_exists($this->language, $language_alias))
-			{
-				$i18n_date_js_file = $this->default_javascript_path.'/jquery_plugins/ui/i18n/datepicker/jquery.ui.datepicker-'.$language_alias[$this->language].'.js';
-				if(file_exists($i18n_date_js_file))
-				{
-					$this->set_js_lib($i18n_date_js_file);
-				}
-			}
-		}
-
-		$this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.datepicker.config.js');
-
-		if(!empty($value) && $value != '0000-00-00' && $value != '1970-01-01')
-		{
-			list($year,$month,$day) = explode('-',substr($value,0,10));
-			$date = date($this->php_date_format, mktime(0,0,0,$month,$day,$year));
-		}
-		else
-		{
-			$date = '';
-		}
-
-		$input = "<input id='field-{$field_info->name}' name='{$field_info->name}' type='text' value='$date' maxlength='10' class='datepicker-input form-control' />
-		<a class='datepicker-input-clear' tabindex='-1'>".$this->l('form_button_clear')."</a> (".$this->ui_date_format.")";
-		return $input;
-	}
-
-	protected function get_dropdown_input($field_info,$value)
-	{
-		$this->load_js_chosen();
-		$this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.chosen.config.js');
-
-		$select_title = str_replace('{field_display_as}',$field_info->display_as,$this->l('set_relation_title'));
-
-		$input = "<select id='field-{$field_info->name}' name='{$field_info->name}' class='chosen-select' data-placeholder='".$select_title."'>";
-		$options = array('' => '') + $field_info->extras;
-		foreach($options as $option_value => $option_label)
-		{
-			$selected = !empty($value) && $value == $option_value ? "selected='selected'" : '';
-			$input .= "<option value='$option_value' $selected >$option_label</option>";
-		}
-
-		$input .= "</select>";
-		return $input;
-	}
-
-	protected function get_enum_input($field_info,$value)
-	{
-		$this->load_js_chosen();
-		$this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.chosen.config.js');
-
-		$select_title = str_replace('{field_display_as}',$field_info->display_as,$this->l('set_relation_title'));
-
-		$input = "<select id='field-{$field_info->name}' name='{$field_info->name}' class='chosen-select' data-placeholder='".$select_title."'>";
-		$options_array = $field_info->extras !== false && is_array($field_info->extras)? $field_info->extras : explode("','",substr($field_info->db_max_length,1,-1));
-		$options_array = array('' => '') + $options_array;
-
-		foreach($options_array as $option)
-		{
-			$selected = !empty($value) && $value == $option ? "selected='selected'" : '';
-			$input .= "<option value='$option' $selected >$option</option>";
-		}
-
-		$input .= "</select>";
-		return $input;
-	}
-
-	protected function get_readonly_input($field_info, $value)
-	{
-		$read_only_value = "&nbsp;";
-
-	    if (!empty($value) && !is_array($value)) {
-	    	$read_only_value = $value;
-    	} elseif (is_array($value)) {
-    		$all_values = array_values($value);
-    		$read_only_value = implode(", ",$all_values);
-    	}
-
-        return '<div id="field-'.$field_info->name.'" class="readonly_label">'.$read_only_value.'</div>';
-	}
-
-	protected function get_set_input($field_info,$value)
-	{
-		$this->load_js_chosen();
-		$this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.chosen.config.js');
-
-		$options_array = $field_info->extras !== false && is_array($field_info->extras)? $field_info->extras : explode("','",substr($field_info->db_max_length,1,-1));
-		$selected_values 	= !empty($value) ? explode(",",$value) : array();
-
-		$select_title = str_replace('{field_display_as}',$field_info->display_as,$this->l('set_relation_title'));
-		$input = "<select id='field-{$field_info->name}' name='{$field_info->name}[]' multiple='multiple' size='8' class='chosen-multiple-select' data-placeholder='$select_title' style='width:510px;' >";
-
-		foreach($options_array as $option)
-		{
-			$selected = !empty($value) && in_array($option,$selected_values) ? "selected='selected'" : '';
-			$input .= "<option value='$option' $selected >$option</option>";
-		}
 
-		$input .= "</select>";
 
-		return $input;
-	}
+        /** Checking for unique fields. If the field value is not unique then
+         * return a validation error straight away, if not continue... */
+        if(!empty($unique_fields))
+        {
+            $form_validation = $this->form_validation();
 
-	protected function get_multiselect_input($field_info,$value)
-	{
-		$this->load_js_chosen();
-		$this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.chosen.config.js');
-
-		$options_array = $field_info->extras;
-		$selected_values 	= !empty($value) ? explode(",",$value) : array();
-
-		$select_title = str_replace('{field_display_as}',$field_info->display_as,$this->l('set_relation_title'));
-		$input = "<select id='field-{$field_info->name}' name='{$field_info->name}[]' multiple='multiple' size='8' class='chosen-multiple-select' data-placeholder='$select_title' style='width:510px;' >";
-
-		foreach($options_array as $option_value => $option_label)
-		{
-			$selected = !empty($value) && in_array($option_value,$selected_values) ? "selected='selected'" : '';
-			$input .= "<option value='$option_value' $selected >$option_label</option>";
-		}
-
-		$input .= "</select>";
-
-		return $input;
-	}
-
-	protected function get_relation_input($field_info,$value)
-	{
-		$this->load_js_chosen();
-		$this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.chosen.config.js');
-
-		$ajax_limitation = 10000;
-		$total_rows = $this->get_relation_total_rows($field_info->extras);
-
-
-		//Check if we will use ajax for our queries or just clien-side javascript
-		$using_ajax = $total_rows > $ajax_limitation ? true : false;
-
-		//We will not use it for now. It is not ready yet. Probably we will have this functionality at version 1.4
-		$using_ajax = false;
-
-		//If total rows are more than the limitation, use the ajax plugin
-		$ajax_or_not_class = $using_ajax ? 'chosen-select' : 'chosen-select';
-
-		$this->_inline_js("var ajax_relation_url = '".$this->getAjaxRelationUrl()."';\n");
-
-		$select_title = str_replace('{field_display_as}',$field_info->display_as,$this->l('set_relation_title'));
-		$input = "<select id='field-{$field_info->name}'  name='{$field_info->name}' class='$ajax_or_not_class' data-placeholder='$select_title' style='width:300px'>";
-		$input .= "<option value=''></option>";
-
-		if(!$using_ajax)
-		{
-			$options_array = $this->get_relation_array($field_info->extras);
-			foreach($options_array as $option_value => $option)
-			{
-				$selected = !empty($value) && $value == $option_value ? "selected='selected'" : '';
-				$input .= "<option value='$option_value' $selected >$option</option>";
-			}
-		}
-		elseif(!empty($value) || (is_numeric($value) && $value == '0') ) //If it's ajax then we only need the selected items and not all the items
-		{
-			$selected_options_array = $this->get_relation_array($field_info->extras, $value);
-			foreach($selected_options_array as $option_value => $option)
-			{
-				$input .= "<option value='$option_value'selected='selected' >$option</option>";
-			}
-		}
-
-		$input .= "</select>";
-		return $input;
-	}
-
-	protected function get_relation_readonly_input($field_info,$value)
-	{
-		$options_array = $this->get_relation_array($field_info->extras);
-
-		$value = isset($options_array[$value]) ? $options_array[$value] : '';
-
-		return $this->get_readonly_input($field_info, $value);
-	}
-
-	protected function get_upload_file_readonly_input($field_info,$value)
-	{
-		$file = $file_url = base_url().$field_info->extras->upload_path.'/'.$value;
-
-		$value = !empty($value) ? '<a href="'.$file.'" target="_blank">'.$value.'</a>' : '';
-
-		return $this->get_readonly_input($field_info, $value);
-	}
-
-	protected function get_relation_n_n_input($field_info_type, $selected_values)
-	{
-		$has_priority_field = !empty($field_info_type->extras->priority_field_relation_table) ? true : false;
-		$is_ie_7 = isset($_SERVER['HTTP_USER_AGENT']) && (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE 7') !== false) ? true : false;
-
-		if($has_priority_field || $is_ie_7)
-		{
-			$this->set_css($this->default_css_path.'/ui/simple/'.grocery_CRUD::JQUERY_UI_CSS);
-			$this->set_css($this->default_css_path.'/jquery_plugins/ui.multiselect.css');
-			$this->set_js_lib($this->default_javascript_path.'/jquery_plugins/ui/'.grocery_CRUD::JQUERY_UI_JS);
-			$this->set_js_lib($this->default_javascript_path.'/jquery_plugins/ui.multiselect.min.js');
-			$this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.multiselect.js');
-
-			if($this->language !== 'english')
-			{
-				include($this->default_config_path.'/language_alias.php');
-				if(array_key_exists($this->language, $language_alias))
-				{
-					$i18n_date_js_file = $this->default_javascript_path.'/jquery_plugins/ui/i18n/multiselect/ui-multiselect-'.$language_alias[$this->language].'.js';
-					if(file_exists($i18n_date_js_file))
-					{
-						$this->set_js_lib($i18n_date_js_file);
-					}
-				}
-			}
-		}
-		else
-		{
-			$this->set_css($this->default_css_path.'/jquery_plugins/chosen/chosen.css');
-			$this->set_js_lib($this->default_javascript_path.'/jquery_plugins/jquery.chosen.min.js');
-			$this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.chosen.config.js');
-		}
-
-		$this->_inline_js("var ajax_relation_url = '".$this->getAjaxRelationUrl()."';\n");
-
-		$field_info 		= $this->relation_n_n[$field_info_type->name]; //As we use this function the relation_n_n exists, so don't need to check
-		$unselected_values 	= $this->get_relation_n_n_unselected_array($field_info, $selected_values);
-
-		if(empty($unselected_values) && empty($selected_values))
-		{
-			$input = "Please add {$field_info_type->display_as} first";
-		}
-		else
-		{
-			$css_class = $has_priority_field || $is_ie_7 ? 'multiselect': 'chosen-multiple-select';
-			$width_style = $has_priority_field || $is_ie_7 ? '' : 'width:510px;';
-
-			$select_title = str_replace('{field_display_as}',$field_info_type->display_as,$this->l('set_relation_title'));
-			$input = "<select id='field-{$field_info_type->name}' name='{$field_info_type->name}[]' multiple='multiple' size='8' class='$css_class' data-placeholder='$select_title' style='$width_style' >";
-
-			if(!empty($unselected_values))
-				foreach($unselected_values as $id => $name)
-				{
-					$input .= "<option value='$id'>$name</option>";
-				}
-
-			if(!empty($selected_values))
-				foreach($selected_values as $id => $name)
-				{
-					$input .= "<option value='$id' selected='selected'>$name</option>";
-				}
-
-			$input .= "</select>";
-		}
-
-		return $input;
-	}
-
-	protected function _convert_bytes_ui_to_bytes($bytes_ui)
-	{
-		$bytes_ui = str_replace(' ','',$bytes_ui);
-		if(strstr($bytes_ui,'MB'))
-			$bytes = (int)(str_replace('MB','',$bytes_ui))*1024*1024;
-		elseif(strstr($bytes_ui,'KB'))
-			$bytes = (int)(str_replace('KB','',$bytes_ui))*1024;
-		elseif(strstr($bytes_ui,'B'))
-			$bytes = (int)(str_replace('B','',$bytes_ui));
-		else
-			$bytes = (int)($bytes_ui);
-
-		return $bytes;
-	}
-
-	protected function get_upload_file_input($field_info, $value)
-	{
-		$this->load_js_uploader();
-
-		//Fancybox
-		$this->load_js_fancybox();
-
-		$this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.fancybox.config.js');
-
-		$unique = mt_rand();
-
-		$allowed_files = $this->config->file_upload_allow_file_types;
-		$allowed_files_ui = '.'.str_replace('|',',.',$allowed_files);
-		$max_file_size_ui = $this->config->file_upload_max_file_size;
-		$max_file_size_bytes = $this->_convert_bytes_ui_to_bytes($max_file_size_ui);
-
-		$this->_inline_js('
-			var upload_info_'.$unique.' = {
-				accepted_file_types: /(\\.|\\/)('.$allowed_files.')$/i,
-				accepted_file_types_ui : "'.$allowed_files_ui.'",
-				max_file_size: '.$max_file_size_bytes.',
-				max_file_size_ui: "'.$max_file_size_ui.'"
-			};
-
-			var string_upload_file 	= "'.$this->l('form_upload_a_file').'";
-			var string_delete_file 	= "'.$this->l('string_delete_file').'";
-			var string_progress 			= "'.$this->l('string_progress').'";
-			var error_on_uploading 			= "'.$this->l('error_on_uploading').'";
-			var message_prompt_delete_file 	= "'.$this->l('message_prompt_delete_file').'";
+            $form_validation_check = false;
 
-			var error_max_number_of_files 	= "'.$this->l('error_max_number_of_files').'";
-			var error_accept_file_types 	= "'.$this->l('error_accept_file_types').'";
-			var error_max_file_size 		= "'.str_replace("{max_file_size}",$max_file_size_ui,$this->l('error_max_file_size')).'";
-			var error_min_file_size 		= "'.$this->l('error_min_file_size').'";
+            foreach($edit_fields as $edit_field)
+            {
+                $field_name = $edit_field->field_name;
+                if(in_array( $field_name, $unique_fields) )
+                {
+                    $state_info = $this->getStateInfo();
+                    $primary_key = $this->get_primary_key();
+                    $field_name_value = $_POST[$field_name];
 
-			var base_url = "'.base_url().'";
-			var upload_a_file_string = "'.$this->l('form_upload_a_file').'";
-		');
+                    $this->basic_model->where($primary_key,$state_info->primary_key);
+                    $row = $this->basic_model->get_row();
 
-		$uploader_display_none 	= empty($value) ? "" : "display:none;";
-		$file_display_none  	= empty($value) ?  "display:none;" : "";
+                    if(!isset($row->$field_name)) {
+                        throw new Exception("The field name doesn't exist in the database. ".
+                                                "Please use the unique fields only for fields ".
+                                            "that exist in the database");
+                    }
 
-		$is_image = !empty($value) &&
-						( substr($value,-4) == '.jpg'
-								|| substr($value,-4) == '.png'
-								|| substr($value,-5) == '.jpeg'
-								|| substr($value,-4) == '.gif'
-								|| substr($value,-5) == '.tiff')
-					? true : false;
+                    $previous_field_name_value = $row->$field_name;
 
-		$image_class = $is_image ? 'image-thumbnail' : '';
+                    if(!empty($previous_field_name_value) && $previous_field_name_value != $field_name_value) {
+                        $form_validation->set_rules( $field_name,
+                                $field_types[$field_name]->display_as,
+                                'is_unique['.$this->basic_db_table.'.'.$field_name.']');
 
-		$input = '<span class="fileinput-button qq-upload-button" id="upload-button-'.$unique.'" style="'.$uploader_display_none.'">
-			<span>'.$this->l('form_upload_a_file').'</span>
-			<input type="file" name="'.$this->_unique_field_name($field_info->name).'" class="gc-file-upload" rel="'.$this->getUploadUrl($field_info->name).'" id="'.$unique.'">
-			<input class="hidden-upload-input" type="hidden" name="'.$field_info->name.'" value="'.$value.'" rel="'.$this->_unique_field_name($field_info->name).'" />
-		</span>';
+                        $form_validation_check = true;
+                    }
+                }
+            }
 
-		$this->set_css($this->default_css_path.'/jquery_plugins/file_upload/fileuploader.css');
-
-		$file_url = base_url().$field_info->extras->upload_path.'/'.$value;
-
-		$input .= "<div id='uploader_$unique' rel='$unique' class='grocery-crud-uploader' style='$uploader_display_none'></div>";
-		$input .= "<div id='success_$unique' class='upload-success-url' style='$file_display_none padding-top:7px;'>";
-		$input .= "<a href='".$file_url."' id='file_$unique' class='open-file";
-		$input .= $is_image ? " $image_class'><img src='".$file_url."' height='50px'>" : "' target='_blank'>$value";
-		$input .= "</a> ";
-		$input .= "<a href='javascript:void(0)' id='delete_$unique' class='delete-anchor'>".$this->l('form_upload_delete')."</a> ";
-		$input .= "</div><div style='clear:both'></div>";
-		$input .= "<div id='loading-$unique' style='display:none'><span id='upload-state-message-$unique'></span> <span class='qq-upload-spinner'></span> <span id='progress-$unique'></span></div>";
-		$input .= "<div style='display:none'><a href='".$this->getUploadUrl($field_info->name)."' id='url_$unique'></a></div>";
-		$input .= "<div style='display:none'><a href='".$this->getFileDeleteUrl($field_info->name)."' id='delete_url_$unique' rel='$value' ></a></div>";
-
-		return $input;
-	}
-
-	protected function get_add_hidden_fields()
-	{
-		return $this->add_hidden_fields;
-	}
-
-	protected function get_edit_hidden_fields()
-	{
-		return $this->edit_hidden_fields;
-	}
-
-	protected function get_add_input_fields($field_values = null)
-	{
-		$fields = $this->get_add_fields();
-		$types 	= $this->get_field_types();
-
-		$input_fields = array();
-
-		foreach($fields as $field_num => $field)
-		{
-			$field_info = $types[$field->field_name];
-
-			$field_value = !empty($field_values) && isset($field_values->{$field->field_name}) ? $field_values->{$field->field_name} : null;
-
-			if(!isset($this->callback_add_field[$field->field_name]))
-			{
-				$field_input = $this->get_field_input($field_info, $field_value);
-			}
-			else
-			{
-				$field_input = $field_info;
-				$field_input->input = call_user_func($this->callback_add_field[$field->field_name], $field_value, null, $field_info);
-			}
-
-			switch ($field_info->crud_type) {
-				case 'invisible':
-					unset($this->add_fields[$field_num]);
-					unset($fields[$field_num]);
-					continue;
-				break;
-				case 'hidden':
-					$this->add_hidden_fields[] = $field_input;
-					unset($this->add_fields[$field_num]);
-					unset($fields[$field_num]);
-					continue;
-				break;
-			}
-
-			$input_fields[$field->field_name] = $field_input;
-		}
-
-		return $input_fields;
-	}
-
-	protected function get_edit_input_fields($field_values = null)
-	{
-		$fields = $this->get_edit_fields();
-		$types 	= $this->get_field_types();
-
-		$input_fields = array();
-
-		foreach($fields as $field_num => $field)
-		{
-			$field_info = $types[$field->field_name];
-
-			$field_value = !empty($field_values) && isset($field_values->{$field->field_name}) ? $field_values->{$field->field_name} : null;
-			if(!isset($this->callback_edit_field[$field->field_name]))
-			{
-				$field_input = $this->get_field_input($field_info, $field_value);
-			}
-			else
-			{
-				$primary_key = $this->getStateInfo()->primary_key;
-				$field_input = $field_info;
-				$field_input->input = call_user_func($this->callback_edit_field[$field->field_name], $field_value, $primary_key, $field_info, $field_values);
-			}
-
-			switch ($field_info->crud_type) {
-				case 'invisible':
-					unset($this->edit_fields[$field_num]);
-					unset($fields[$field_num]);
-					continue;
-				break;
-				case 'hidden':
-					$this->edit_hidden_fields[] = $field_input;
-					unset($this->edit_fields[$field_num]);
-					unset($fields[$field_num]);
-					continue;
-				break;
-			}
-
-			$input_fields[$field->field_name] = $field_input;
-		}
-
-		return $input_fields;
-	}
-
-	protected function get_read_input_fields($field_values = null)
-	{
-		$read_fields = $this->get_read_fields();
-
-		$this->field_types = null;
-		$this->required_fields = null;
-
-		$read_inputs = array();
-		foreach ($read_fields as $field) {
-			if (!empty($this->change_field_type)
-					&& isset($this->change_field_type[$field->field_name])
-					&& $this->change_field_type[$field->field_name]->type == 'hidden') {
-				continue;
-			}
-			$this->field_type($field->field_name, 'readonly');
-		}
-
-		$fields = $this->get_read_fields();
-		$types 	= $this->get_field_types();
-
-		$input_fields = array();
-
-		foreach($fields as $field_num => $field)
-		{
-			$field_info = $types[$field->field_name];
-
-			$field_value = !empty($field_values) && isset($field_values->{$field->field_name}) ? $field_values->{$field->field_name} : null;
-			if(!isset($this->callback_read_field[$field->field_name]))
-			{
-				$field_input = $this->get_field_input($field_info, $field_value);
-			}
-			else
-			{
-				$primary_key = $this->getStateInfo()->primary_key;
-				$field_input = $field_info;
-				$field_input->input = call_user_func($this->callback_read_field[$field->field_name], $field_value, $primary_key, $field_info, $field_values);
-			}
-
-			switch ($field_info->crud_type) {
-			    case 'invisible':
-			    	unset($this->read_fields[$field_num]);
-			    	unset($fields[$field_num]);
-			    	continue;
-			    	break;
-			    case 'hidden':
-			    	$this->read_hidden_fields[] = $field_input;
-			    	unset($this->read_fields[$field_num]);
-			    	unset($fields[$field_num]);
-			    	continue;
-			    	break;
-			}
-
-			$input_fields[$field->field_name] = $field_input;
-		}
-
-		return $input_fields;
-	}
-
-	protected function setThemeBasics()
-	{
-		$this->theme_path = $this->default_theme_path;
-		if(substr($this->theme_path,-1) != '/')
-			$this->theme_path = $this->theme_path.'/';
-
-		include($this->theme_path.$this->theme.'/config.php');
-
-		$this->theme_config = $config;
-	}
-
-	public function set_theme($theme = null)
-	{
-		$this->theme = $theme;
-
-		return $this;
-	}
-
-	protected function _get_ajax_results()
-	{
-		//This is a $_POST request rather that $_GET request , because
-		//Codeigniter doesn't like the $_GET requests so much!
-		if ($this->_is_ajax()) {
-			@ob_end_clean();
-			$results= (object)array(
-					'output' => $this->views_as_string,
-					'js_files' => array_values($this->get_js_files()),
-					'js_lib_files' => array_values($this->get_js_lib_files()),
-					'js_config_files' => array_values($this->get_js_config_files()),
-					'css_files' => array_values($this->get_css_files())
-			);
-
-			echo json_encode($results);
-			die;
-		}
-		//else just continue
-	}
-
-	protected function _is_ajax()
-	{
-		return array_key_exists('is_ajax', $_POST) && $_POST['is_ajax'] == 'true' ? true: false;
-	}
-
-	protected function _theme_view($view, $vars = array(), $return = FALSE)
-	{
-		$vars = (is_object($vars)) ? get_object_vars($vars) : $vars;
-
-		$file_exists = FALSE;
-
-		$ext = pathinfo($view, PATHINFO_EXTENSION);
-		$file = ($ext == '') ? $view.'.php' : $view;
-
-		$view_file = $this->theme_path.$this->theme.'/views/';
-
-		if (file_exists($view_file.$file))
-		{
-			$path = $view_file.$file;
-			$file_exists = TRUE;
-		}
-
-		if ( ! $file_exists)
-		{
-			throw new Exception('Unable to load the requested file: '.$file, 16);
-		}
-
-		extract($vars);
-
-		#region buffering...
-		ob_start();
-
-		include($path);
-
-		$buffer = ob_get_contents();
-		@ob_end_clean();
-		#endregion
-
-		if ($return === TRUE)
-		{
-			return $buffer;
-		}
-
-		$this->views_as_string .= $buffer;
-	}
-
-	protected function _inline_js($inline_js = '')
-	{
-		$this->views_as_string .= "<script type=\"text/javascript\">\n{$inline_js}\n</script>\n";
-	}
-
-	protected function _add_js_vars($js_vars = array())
-	{
-		$javascript_as_string = "<script type=\"text/javascript\">\n";
-		foreach ($js_vars as $js_var => $js_value) {
-			$javascript_as_string .= "\tvar $js_var = '$js_value';\n";
-		}
-		$javascript_as_string .= "\n</script>\n";
-		$this->views_as_string .= $javascript_as_string;
-	}
-
-	protected function get_views_as_string()
-	{
-		if(!empty($this->views_as_string))
-			return $this->views_as_string;
-		else
-			return null;
-	}
-}
+            if($form_validation_check && !$form_validation->run())
+            {
+                $validation_result->error_message = $form_validation->error_string();
+                $validation_result->error_fields = $form_validation->_error_array;
 
+                return $validation_result;
+            }
+        }
 
-/**
- * PHP grocery CRUD
- *
- * LICENSE
- *
- * Grocery CRUD is released with dual licensing, using the GPL v3 (license-gpl3.txt) and the MIT license (license-mit.txt).
- * You don't have to do anything special to choose one license or the other and you don't have to notify anyone which license you are using.
- * Please see the corresponding license file for details of these licenses.
- * You are free to use, modify and distribute this software, but all copyright information must remain.
- *
- * @package    	grocery CRUD
- * @copyright  	Copyright (c) 2010 through 2014, John Skoumbourdis
- * @license    	https://github.com/scoumbourdis/grocery-crud/blob/master/license-grocery-crud.txt
- * @author     	John Skoumbourdis <scoumbourdisj@gmail.com>
- */
+        if(!empty($this->validation_rules))
+        {
+            $form_validation = $this->form_validation();
 
-// ------------------------------------------------------------------------
+            $edit_fields = $this->get_edit_fields();
 
-/**
- * PHP grocery States
- *
- * States of grocery CRUD
- *
- * @package    	grocery CRUD
- * @author     	John Skoumbourdis <scoumbourdisj@gmail.com>
- * @version    	1.5.6
- */
-class grocery_CRUD_States extends grocery_CRUD_Layout
-{
-    const STATE_UNKNOWN = 0;
-    const STATE_LIST = 1;
-    const STATE_ADD = 2;
-    const STATE_EDIT = 3;
-    const STATE_DELETE = 4;
-    const STATE_INSERT = 5;
+            foreach($edit_fields as $edit_field)
+            {
+                $field_name = $edit_field->field_name;
+                if(isset($this->validation_rules[$field_name]))
+                {
+                    $rule = $this->validation_rules[$field_name];
+                    $form_validation->set_rules($rule['field'],$rule['label'],$rule['rules']);
+                }
+            }
 
-    const STATE_READ = 18;
-    const STATE_DELETE_MULTIPLE = '19';
+            if($form_validation->run())
+            {
+                $validation_result->success = true;
+            }
+            else
+            {
+                $validation_result->error_message = $form_validation->error_string();
+                $validation_result->error_fields = $form_validation->_error_array;
+            }
+        }
+        else
+        {
+            $validation_result->success = true;
+        }
 
-	protected $states = array(
-		0	=> 'unknown',
-		1	=> 'list',
-		2	=> 'add',
-		3	=> 'edit',
-		4	=> 'delete',
-		5	=> 'insert',
-		6	=> 'update',
-		7	=> 'ajax_list',
-		8   => 'ajax_list_info',
-		9	=> 'insert_validation',
-		10	=> 'update_validation',
-		11	=> 'upload_file',
-		12	=> 'delete_file',
-		13	=> 'ajax_relation',
-		14	=> 'ajax_relation_n_n',
-		15	=> 'success',
-		16  => 'export',
-		17  => 'print',
-		18  => 'read',
-        19  => 'delete_multiple'
-	);
+        return $validation_result;
+    }
 
-    public function getStateInfo()
+    protected function db_insert($state_info)
     {
-        $state_code = $this->getStateCode();
-        $segment_object = $this->get_state_info_from_url();
+        $validation_result = $this->db_insert_validation();
 
-        $first_parameter = $segment_object->first_parameter;
-        $second_parameter = $segment_object->second_parameter;
+        if($validation_result->success)
+        {
+            $post_data = $state_info->unwrapped_data;
 
-        $state_info = (object)array();
+            $add_fields = $this->get_add_fields();
 
-        switch ($state_code) {
-            case self::STATE_LIST:
-            case self::STATE_ADD:
-                //for now... do nothing! Keeping this switch here in case we need any information at the future.
-                break;
+            if($this->callback_insert === null)
+            {
+                if($this->callback_before_insert !== null)
+                {
+                    $callback_return = call_user_func($this->callback_before_insert, $post_data);
 
-            case self::STATE_EDIT:
-            case self::STATE_READ:
-                if ($first_parameter !== null) {
-                    $state_info = (object) array('primary_key' => $first_parameter);
-                } else {
-                    throw new Exception('On the state "edit" the Primary key cannot be null', 6);
-                    die();
+                    if(!empty($callback_return) && is_array($callback_return))
+                        $post_data = $callback_return;
+                    elseif($callback_return === false)
+                        return false;
                 }
-                break;
 
-            case self::STATE_DELETE:
-                if ($first_parameter !== null) {
-                    $state_info = (object) array('primary_key' => $first_parameter);
-                } else {
-                    throw new Exception('On the state "delete" the Primary key cannot be null',7);
-                    die();
-                }
-                break;
+                $insert_data = array();
+                $types = $this->get_field_types();
+                foreach($add_fields as $num_row => $field)
+                {
+                    /* If the multiselect or the set is empty then the browser doesn't send an empty array. Instead it sends nothing */
+                    if(isset($types[$field->field_name]->crud_type) && ($types[$field->field_name]->crud_type == 'set' || $types[$field->field_name]->crud_type == 'multiselect') && !isset($post_data[$field->field_name]))
+                    {
+                        $post_data[$field->field_name] = array();
+                    }
 
-            case self::STATE_DELETE_MULTIPLE:
-                if (!empty($_POST) && !empty($_POST['ids']) && is_array($_POST['ids'])) {
-                    $state_info = (object) array('ids' => $_POST['ids']);
-                } else {
-                    throw new Exception('On the state "Delete Multiple" you need send the ids as a post array.');
-                    die();
+                    if(isset($post_data[$field->field_name]) && !isset($this->relation_n_n[$field->field_name]))
+                    {
+                        if(isset($types[$field->field_name]->db_null) && $types[$field->field_name]->db_null && is_array($post_data[$field->field_name]) && empty($post_data[$field->field_name]))
+                        {
+                            $insert_data[$field->field_name] = null;
+                        }
+                        elseif(isset($types[$field->field_name]->db_null) && $types[$field->field_name]->db_null && $post_data[$field->field_name] === '')
+                        {
+                            $insert_data[$field->field_name] = null;
+                        }
+                        elseif(isset($types[$field->field_name]->crud_type) && $types[$field->field_name]->crud_type == 'date')
+                        {
+                            $insert_data[$field->field_name] = $this->_convert_date_to_sql_date($post_data[$field->field_name]);
+                        }
+                        elseif(isset($types[$field->field_name]->crud_type) && $types[$field->field_name]->crud_type == 'readonly')
+                        {
+                            //This empty if statement is to make sure that a readonly field will never inserted/updated
+                        }
+                        elseif(isset($types[$field->field_name]->crud_type) && ($types[$field->field_name]->crud_type == 'set' || $types[$field->field_name]->crud_type == 'multiselect'))
+                        {
+                            $insert_data[$field->field_name] = !empty($post_data[$field->field_name]) ? implode(',',$post_data[$field->field_name]) : '';
+                        }
+                        elseif(isset($types[$field->field_name]->crud_type) && $types[$field->field_name]->crud_type == 'datetime'){
+                            $insert_data[$field->field_name] = $this->_convert_date_to_sql_date(substr($post_data[$field->field_name],0,10)).
+                                                                        substr($post_data[$field->field_name],10);
+                        }
+                        else
+                        {
+                            $insert_data[$field->field_name] = $post_data[$field->field_name];
+                        }
+                    }
                 }
-                break;
 
-            case self::STATE_INSERT:
-                if(!empty($_POST))
+                $insert_result =  $this->basic_model->db_insert($insert_data);
+
+                if($insert_result !== false)
                 {
-                    $state_info = (object)array('unwrapped_data' => $_POST);
+                    $insert_primary_key = $insert_result;
                 }
                 else
                 {
-                    throw new Exception('On the state "insert" you must have post data',8);
-                    die();
+                    return false;
                 }
-                break;
 
-            case 6:
-                if(!empty($_POST) && $first_parameter !== null)
-                {
-                    $state_info = (object)array('primary_key' => $first_parameter,'unwrapped_data' => $_POST);
-                }
-                elseif(empty($_POST))
+                if(!empty($this->relation_n_n))
                 {
-                    throw new Exception('On the state "update" you must have post data',9);
-                    die();
+                    foreach($this->relation_n_n as $field_name => $field_info)
+                    {
+                        $relation_data = isset( $post_data[$field_name] ) ? $post_data[$field_name] : array() ;
+                        $this->db_relation_n_n_update($field_info, $relation_data  ,$insert_primary_key);
+                    }
                 }
-                else
+
+                if($this->callback_after_insert !== null)
                 {
-                    throw new Exception('On the state "update" the Primary key cannot be null',10);
-                    die();
+                    $callback_return = call_user_func($this->callback_after_insert, $post_data, $insert_primary_key);
+
+                    if($callback_return === false)
+                    {
+                        return false;
+                    }
+
                 }
-                break;
+            }else
+            {
+                    $callback_return = call_user_func($this->callback_insert, $post_data);
 
-            case 7:
-            case 8:
-            case 16: //export to excel
-            case 17: //print
-                $state_info = (object)array();
-                if(!empty($_POST['per_page']))
+                    if($callback_return === false)
+                    {
+                        return false;
+                    }
+            }
+
+            if(isset($insert_primary_key))
+                return $insert_primary_key;
+            else
+                return true;
+        }
+
+        return false;
+
+    }
+
+    protected function db_update($state_info)
+    {
+        $validation_result = $this->db_update_validation();
+
+        $edit_fields = $this->get_edit_fields();
+
+        if($validation_result->success)
+        {
+            $post_data 		= $state_info->unwrapped_data;
+            $primary_key 	= $state_info->primary_key;
+
+            if($this->callback_update === null)
+            {
+                if($this->callback_before_update !== null)
                 {
-                    $state_info->per_page = is_numeric($_POST['per_page']) ? $_POST['per_page'] : null;
+                    $callback_return = call_user_func($this->callback_before_update, $post_data, $primary_key);
+
+                    if(!empty($callback_return) && is_array($callback_return))
+                    {
+                        $post_data = $callback_return;
+                    }
+                    elseif($callback_return === false)
+                    {
+                        return false;
+                    }
+
                 }
-                if(!empty($_POST['page']))
+
+                $update_data = array();
+                $types = $this->get_field_types();
+                foreach($edit_fields as $num_row => $field)
                 {
-                    $state_info->page = is_numeric($_POST['page']) ? $_POST['page'] : null;
+                    /* If the multiselect or the set is empty then the browser doesn't send an empty array. Instead it sends nothing */
+                    if(isset($types[$field->field_name]->crud_type) && ($types[$field->field_name]->crud_type == 'set' || $types[$field->field_name]->crud_type == 'multiselect') && !isset($post_data[$field->field_name]))
+                    {
+                        $post_data[$field->field_name] = array();
+                    }
+
+                    if(isset($post_data[$field->field_name]) && !isset($this->relation_n_n[$field->field_name]))
+                    {
+                        if(isset($types[$field->field_name]->db_null) && $types[$field->field_name]->db_null && is_array($post_data[$field->field_name]) && empty($post_data[$field->field_name]))
+                        {
+                            $update_data[$field->field_name] = null;
+                        }
+                        elseif(isset($types[$field->field_name]->db_null) && $types[$field->field_name]->db_null && $post_data[$field->field_name] === '')
+                        {
+                            $update_data[$field->field_name] = null;
+                        }
+                        elseif(isset($types[$field->field_name]->crud_type) && $types[$field->field_name]->crud_type == 'date')
+                        {
+                            $update_data[$field->field_name] = $this->_convert_date_to_sql_date($post_data[$field->field_name]);
+                        }
+                        elseif(isset($types[$field->field_name]->crud_type) && $types[$field->field_name]->crud_type == 'readonly')
+                        {
+                            //This empty if statement is to make sure that a readonly field will never inserted/updated
+                        }
+                        elseif(isset($types[$field->field_name]->crud_type) && ($types[$field->field_name]->crud_type == 'set' || $types[$field->field_name]->crud_type == 'multiselect'))
+                        {
+                            $update_data[$field->field_name] = !empty($post_data[$field->field_name]) ? implode(',',$post_data[$field->field_name]) : '';
+                        }
+                        elseif(isset($types[$field->field_name]->crud_type) && $types[$field->field_name]->crud_type == 'datetime'){
+                            $update_data[$field->field_name] = $this->_convert_date_to_sql_date(substr($post_data[$field->field_name],0,10)).
+                                                                        substr($post_data[$field->field_name],10);
+                        }
+                        else
+                        {
+                            $update_data[$field->field_name] = $post_data[$field->field_name];
+                        }
+                    }
                 }
-                //If we request an export or a print we don't care about what page we are
-                if($state_code === 16 || $state_code === 17)
+
+                if($this->basic_model->db_update($update_data, $primary_key) === false)
                 {
-                    $state_info->page = 1;
-                    $state_info->per_page = 1000000; //a very big number!
+                    return false;
                 }
-                if(!empty($_POST['order_by'][0]))
+
+                if(!empty($this->relation_n_n))
                 {
-                    $state_info->order_by = $_POST['order_by'];
+                    foreach($this->relation_n_n as $field_name => $field_info)
+                    {
+                        if (   $this->unset_edit_fields !== null
+                            && is_array($this->unset_edit_fields)
+                            && in_array($field_name,$this->unset_edit_fields)
+                        ) {
+                                continue;
+                        }
+
+                        $relation_data = isset( $post_data[$field_name] ) ? $post_data[$field_name] : array() ;
+                        $this->db_relation_n_n_update($field_info, $relation_data ,$primary_key);
+                    }
                 }
-                if(!empty($_POST['search_text']))
+
+                if($this->callback_after_update !== null)
                 {
-                    if(empty($_POST['search_field']))
+                    $callback_return = call_user_func($this->callback_after_update, $post_data, $primary_key);
+
+                    if($callback_return === false)
                     {
-                        $search_text = strip_tags($_POST['search_field']);
-                        $state_info->search = (object)array('field' => null , 'text' => $_POST['search_text']);
+                        return false;
                     }
-                    else
+
+                }
+            }
+            else
+            {
+                $callback_return = call_user_func($this->callback_update, $post_data, $primary_key);
+
+                if($callback_return === false)
+                {
+                    return false;
+                }
+            }
+
+            return true;
+        }
+        else
+        {
+            return false;
+        }
+    }
+
+    protected function _convert_date_to_sql_date($date)
+    {
+        $date = substr($date,0,10);
+        if(preg_match('/\d{4}-\d{2}-\d{2}/',$date))
+        {
+            //If it's already a sql-date don't convert it!
+            return $date;
+        }elseif(empty($date))
+        {
+            return '';
+        }
+
+        $date_array = preg_split( '/[-\.\/ ]/', $date);
+        if($this->php_date_format == 'd/m/Y')
+        {
+            $sql_date = date('Y-m-d',mktime(0,0,0,$date_array[1],$date_array[0],$date_array[2]));
+        }
+        elseif($this->php_date_format == 'm/d/Y')
+        {
+            $sql_date = date('Y-m-d',mktime(0,0,0,$date_array[0],$date_array[1],$date_array[2]));
+        }
+        else
+        {
+            $sql_date = $date;
+        }
+
+        return $sql_date;
+    }
+
+    protected function _get_field_names_to_search(array $relation_values)
+    {
+        if(!strstr($relation_values[2],'{'))
+            return $this->_unique_join_name($relation_values[0]).'.'.$relation_values[2];
+        else
+        {
+            $relation_values[2] = ' '.$relation_values[2].' ';
+            $temp1 = explode('{',$relation_values[2]);
+            unset($temp1[0]);
+
+            $field_names_array = array();
+            foreach($temp1 as $field)
+                list($field_names_array[]) = explode('}',$field);
+
+            return $field_names_array;
+        }
+    }
+
+    protected function _unique_join_name($field_name)
+    {
+        return 'j'.substr(md5($field_name),0,8); //This j is because is better for a string to begin with a letter and not a number
+    }
+
+    protected function _unique_field_name($field_name)
+    {
+        return 's'.substr(md5($field_name),0,8); //This s is because is better for a string to begin with a letter and not a number
+    }
+
+    protected function db_multiple_delete($state_info)
+    {
+        foreach ($state_info->ids as $delete_id) {
+            $result = $this->db_delete((object)array('primary_key' => $delete_id));
+            if (!$result) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    protected function db_delete($state_info)
+    {
+        $primary_key_value 	= $state_info->primary_key;
+
+        if($this->callback_delete === null)
+        {
+            if($this->callback_before_delete !== null)
+            {
+                $callback_return = call_user_func($this->callback_before_delete, $primary_key_value);
+
+                if($callback_return === false)
+                {
+                    return false;
+                }
+
+            }
+
+            if(!empty($this->relation_n_n))
+            {
+                foreach($this->relation_n_n as $field_name => $field_info)
+                {
+                    $this->db_relation_n_n_delete( $field_info, $primary_key_value );
+                }
+            }
+
+            $delete_result = $this->basic_model->db_delete($primary_key_value);
+
+            if($delete_result === false)
+            {
+                return false;
+            }
+
+            if($this->callback_after_delete !== null)
+            {
+                $callback_return = call_user_func($this->callback_after_delete, $primary_key_value);
+
+                if($callback_return === false)
+                {
+                    return false;
+                }
+
+            }
+        }
+        else
+        {
+            $callback_return = call_user_func($this->callback_delete, $primary_key_value);
+
+            if($callback_return === false)
+            {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    protected function db_relation_n_n_update($field_info, $post_data , $primary_key_value)
+    {
+        $this->basic_model->db_relation_n_n_update($field_info, $post_data , $primary_key_value);
+    }
+
+    protected function db_relation_n_n_delete($field_info, $primary_key_value)
+    {
+        $this->basic_model->db_relation_n_n_delete($field_info, $primary_key_value);
+    }
+
+    protected function get_list()
+    {
+        if(!empty($this->order_by))
+            $this->basic_model->order_by($this->order_by[0],$this->order_by[1]);
+
+        if(!empty($this->where))
+            foreach($this->where as $where)
+                $this->basic_model->where($where[0],$where[1],$where[2]);
+
+        if(!empty($this->or_where))
+            foreach($this->or_where as $or_where)
+                $this->basic_model->or_where($or_where[0],$or_where[1],$or_where[2]);
+
+        if(!empty($this->like))
+            foreach($this->like as $like)
+                $this->basic_model->like($like[0],$like[1],$like[2]);
+
+        if(!empty($this->or_like))
+            foreach($this->or_like as $or_like)
+                $this->basic_model->or_like($or_like[0],$or_like[1],$or_like[2]);
+
+        if(!empty($this->having))
+            foreach($this->having as $having)
+                $this->basic_model->having($having[0],$having[1],$having[2]);
+
+        if(!empty($this->or_having))
+            foreach($this->or_having as $or_having)
+                $this->basic_model->or_having($or_having[0],$or_having[1],$or_having[2]);
+
+        if(!empty($this->relation))
+            foreach($this->relation as $relation)
+                $this->basic_model->join_relation($relation[0],$relation[1],$relation[2]);
+
+        if(!empty($this->relation_n_n))
+        {
+            $columns = $this->get_columns();
+            foreach($columns as $column)
+            {
+                //Use the relation_n_n ONLY if the column is called . The set_relation_n_n are slow and it will make the table slower without any reason as we don't need those queries.
+                if(isset($this->relation_n_n[$column->field_name]))
+                {
+                    $this->basic_model->set_relation_n_n_field($this->relation_n_n[$column->field_name]);
+                }
+            }
+
+        }
+
+        if($this->theme_config['crud_paging'] === true)
+        {
+            if($this->limit === null)
+            {
+                $default_per_page = $this->config->default_per_page;
+                if(is_numeric($default_per_page) && $default_per_page >1)
+                {
+                    $this->basic_model->limit($default_per_page);
+                }
+                else
+                {
+                    $this->basic_model->limit(10);
+                }
+            }
+            else
+            {
+                $this->basic_model->limit($this->limit[0],$this->limit[1]);
+            }
+        }
+
+        $results = $this->basic_model->get_list();
+
+        return $results;
+    }
+
+    protected function get_edit_values($primary_key_value)
+    {
+        $values = $this->basic_model->get_edit_values($primary_key_value);
+
+        if(!empty($this->relation_n_n))
+        {
+            foreach($this->relation_n_n as $field_name => $field_info)
+            {
+                $values->$field_name = $this->get_relation_n_n_selection_array($primary_key_value, $field_info);
+            }
+        }
+
+        return $values;
+    }
+
+    protected function get_relation_n_n_selection_array($primary_key_value, $field_info)
+    {
+        return $this->basic_model->get_relation_n_n_selection_array($primary_key_value, $field_info);
+    }
+
+    protected function get_relation_n_n_unselected_array($field_info, $selected_values)
+    {
+        return $this->basic_model->get_relation_n_n_unselected_array($field_info, $selected_values);
+    }
+
+    protected function set_basic_db_table($table_name = null)
+    {
+        $this->basic_model->set_basic_table($table_name);
+    }
+
+    protected function upload_file($state_info)
+    {
+        if(isset($this->upload_fields[$state_info->field_name]) )
+        {
+            if($this->callback_upload === null)
+            {
+                if($this->callback_before_upload !== null)
+                {
+                    $callback_before_upload_response = call_user_func($this->callback_before_upload, $_FILES,  $this->upload_fields[$state_info->field_name]);
+
+                    if($callback_before_upload_response === false)
+                        return false;
+                    elseif(is_string($callback_before_upload_response))
+                        return $callback_before_upload_response;
+                }
+
+                $upload_info = $this->upload_fields[$state_info->field_name];
+
+                header('Pragma: no-cache');
+                header('Cache-Control: private, no-cache');
+                header('Content-Disposition: inline; filename="files.json"');
+                header('X-Content-Type-Options: nosniff');
+                header('Access-Control-Allow-Origin: *');
+                header('Access-Control-Allow-Methods: OPTIONS, HEAD, GET, POST, PUT, DELETE');
+                header('Access-Control-Allow-Headers: X-File-Name, X-File-Type, X-File-Size');
+
+                $allowed_files = $this->config->file_upload_allow_file_types;
+
+                        $reg_exp = '';
+                        if(!empty($upload_info->allowed_file_types)){
+                            $reg_exp = '/(\\.|\\/)('.$upload_info->allowed_file_types.')$/i';
+                        }else{
+                            $reg_exp = '/(\\.|\\/)('.$allowed_files.')$/i';
+                        }
+
+                $max_file_size_ui = $this->config->file_upload_max_file_size;
+                $max_file_size_bytes = $this->_convert_bytes_ui_to_bytes($max_file_size_ui);
+
+                $options = array(
+                    'upload_dir' 		=> $upload_info->upload_path.'/',
+                    'param_name'		=> $this->_unique_field_name($state_info->field_name),
+                    'upload_url'		=> base_url().$upload_info->upload_path.'/',
+                    'accept_file_types' => $reg_exp,
+                    'max_file_size'		=> $max_file_size_bytes
+                );
+                $upload_handler = new UploadHandler($options);
+                $upload_handler->default_config_path = $this->default_config_path;
+                $uploader_response = $upload_handler->post();
+
+                if(is_array($uploader_response))
+                {
+                    foreach($uploader_response as &$response)
+                    {
+                        unset($response->delete_url);
+                        unset($response->delete_type);
+                    }
+                }
+
+                if($this->callback_after_upload !== null)
+                {
+                    $callback_after_upload_response = call_user_func($this->callback_after_upload, $uploader_response ,  $this->upload_fields[$state_info->field_name] , $_FILES );
+
+                    if($callback_after_upload_response === false)
+                        return false;
+                    elseif(is_string($callback_after_upload_response))
+                        return $callback_after_upload_response;
+                    elseif(is_array($callback_after_upload_response))
+                        $uploader_response = $callback_after_upload_response;
+                }
+
+                return $uploader_response;
+            }
+            else
+            {
+                $upload_response = call_user_func($this->callback_upload, $_FILES, $this->upload_fields[$state_info->field_name] );
+
+                if($upload_response === false)
+                {
+                    return false;
+                }
+                else
+                {
+                    return $upload_response;
+                }
+            }
+        }
+        else
+        {
+            return false;
+        }
+    }
+
+    protected function delete_file($state_info)
+    {
+
+        if(isset($state_info->field_name) && isset($this->upload_fields[$state_info->field_name]))
+        {
+            $upload_info = $this->upload_fields[$state_info->field_name];
+
+            if(file_exists("{$upload_info->upload_path}/{$state_info->file_name}"))
+            {
+                if( unlink("{$upload_info->upload_path}/{$state_info->file_name}") )
+                {
+                    $this->basic_model->db_file_delete($state_info->field_name, $state_info->file_name);
+
+                    return true;
+                }
+                else
+                {
+                    return false;
+                }
+            }
+            else
+            {
+                $this->basic_model->db_file_delete($state_info->field_name, $state_info->file_name);
+                return true;
+            }
+        }
+        else
+        {
+            return false;
+        }
+    }
+
+    protected function ajax_relation($state_info)
+    {
+        if(!isset($this->relation[$state_info->field_name]))
+            return false;
+
+        list($field_name, $related_table, $related_field_title, $where_clause, $order_by)  = $this->relation[$state_info->field_name];
+
+        return $this->basic_model->get_ajax_relation_array($state_info->search, $field_name, $related_table, $related_field_title, $where_clause, $order_by);
+    }
+}
+
+
+/**
+ * PHP grocery CRUD
+ *
+ * LICENSE
+ *
+ * Grocery CRUD is released with dual licensing, using the GPL v3 (license-gpl3.txt) and the MIT license (license-mit.txt).
+ * You don't have to do anything special to choose one license or the other and you don't have to notify anyone which license you are using.
+ * Please see the corresponding license file for details of these licenses.
+ * You are free to use, modify and distribute this software, but all copyright information must remain.
+ *
+ * @package    	grocery CRUD
+ * @copyright  	Copyright (c) 2010 through 2014, John Skoumbourdis
+ * @license    	https://github.com/scoumbourdis/grocery-crud/blob/master/license-grocery-crud.txt
+ * @author     	John Skoumbourdis <scoumbourdisj@gmail.com>
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * PHP grocery Layout
+ *
+ * Here you manage all the HTML Layout
+ *
+ * @package    	grocery CRUD
+ * @author     	John Skoumbourdis <scoumbourdisj@gmail.com>
+ * @version    	1.5.6
+ */
+class grocery_CRUD_Layout extends grocery_CRUD_Model_Driver
+{
+    private $theme_path 				= null;
+    private $views_as_string			= '';
+    private $echo_and_die				= false;
+    protected $theme 					= null;
+    protected $default_true_false_text 	= array('inactive' , 'active');
+
+    protected $css_files				= array();
+    protected $js_files					= array();
+    protected $js_lib_files				= array();
+    protected $js_config_files			= array();
+
+    protected function set_basic_Layout()
+    {
+        if(!file_exists($this->theme_path.$this->theme.'/views/list_template.php'))
+        {
+            throw new Exception('The template does not exist. Please check your files and try again.', 12);
+            die();
+        }
+    }
+
+    protected function showList($ajax = false, $state_info = null)
+    {
+        $data = $this->get_common_data();
+
+        $data->order_by 	= $this->order_by;
+
+        $data->types 		= $this->get_field_types();
+
+        $data->list = $this->get_list();
+        $data->list = $this->change_list($data->list , $data->types);
+        $data->list = $this->change_list_add_actions($data->list);
+
+        $data->total_results = $this->get_total_results();
+
+        $data->columns 				= $this->get_columns();
+
+        $data->success_message		= $this->get_success_message_at_list($state_info);
+
+        $data->primary_key 			= $this->get_primary_key();
+        $data->add_url				= $this->getAddUrl();
+        $data->edit_url				= $this->getEditUrl();
+        $data->delete_url			= $this->getDeleteUrl();
+        $data->delete_multiple_url	= $this->getDeleteMultipleUrl();
+        $data->read_url				= $this->getReadUrl();
+        $data->ajax_list_url		= $this->getAjaxListUrl();
+        $data->ajax_list_info_url	= $this->getAjaxListInfoUrl();
+        $data->export_url			= $this->getExportToExcelUrl();
+        $data->print_url			= $this->getPrintUrl();
+        $data->actions				= $this->actions;
+        $data->unique_hash			= $this->get_method_hash();
+        $data->order_by				= $this->order_by;
+
+        $data->unset_add			= $this->unset_add;
+        $data->unset_edit			= $this->unset_edit;
+        $data->unset_read			= $this->unset_read;
+        $data->unset_delete			= $this->unset_delete;
+        $data->unset_export			= $this->unset_export;
+        $data->unset_print			= $this->unset_print;
+
+        $default_per_page = $this->config->default_per_page;
+        $data->paging_options = $this->config->paging_options;
+        $data->default_per_page		= is_numeric($default_per_page) && $default_per_page >1 && in_array($default_per_page,$data->paging_options)? $default_per_page : 25;
+
+        if($data->list === false)
+        {
+            throw new Exception('It is impossible to get data. Please check your model and try again.', 13);
+            $data->list = array();
+        }
+
+        foreach($data->list as $num_row => $row)
+        {
+            $data->list[$num_row]->primary_key_value = $row->{$data->primary_key};
+            $data->list[$num_row]->edit_url = $data->edit_url.'/'.$row->{$data->primary_key};
+            $data->list[$num_row]->delete_url = $data->delete_url.'/'.$row->{$data->primary_key};
+            $data->list[$num_row]->read_url = $data->read_url.'/'.$row->{$data->primary_key};
+        }
+
+        if(!$ajax)
+        {
+            $this->_add_js_vars(array('dialog_forms' => $this->config->dialog_forms));
+
+            $data->list_view = $this->_theme_view('list.php',$data,true);
+            $this->_theme_view('list_template.php',$data);
+        }
+        else
+        {
+            $this->set_echo_and_die();
+            $this->_theme_view('list.php',$data);
+        }
+    }
+
+    protected function exportToExcel($state_info = null)
+    {
+        $data = $this->get_common_data();
+
+        $data->order_by 	= $this->order_by;
+        $data->types 		= $this->get_field_types();
+
+        $data->list = $this->get_list();
+        $data->list = $this->change_list($data->list , $data->types);
+        $data->list = $this->change_list_add_actions($data->list);
+
+        $data->total_results = $this->get_total_results();
+
+        $data->columns 				= $this->get_columns();
+        $data->primary_key 			= $this->get_primary_key();
+
+        @ob_end_clean();
+        $this->_export_to_excel($data);
+    }
+
+    protected function _export_to_excel($data)
+    {
+        /**
+         * No need to use an external library here. The only bad thing without using external library is that Microsoft Excel is complaining
+         * that the file is in a different format than specified by the file extension. If you press "Yes" everything will be just fine.
+         * */
+
+        $string_to_export = "";
+        foreach($data->columns as $column){
+            $string_to_export .= $column->display_as."\t";
+        }
+        $string_to_export .= "\n";
+
+        foreach($data->list as $num_row => $row){
+            foreach($data->columns as $column){
+                $string_to_export .= $this->_trim_export_string($row->{$column->field_name})."\t";
+            }
+            $string_to_export .= "\n";
+        }
+
+        // Convert to UTF-16LE and Prepend BOM
+        $string_to_export = "\xFF\xFE" .mb_convert_encoding($string_to_export, 'UTF-16LE', 'UTF-8');
+
+        $filename = "export-".date("Y-m-d_H:i:s").".xls";
+
+        header('Content-type: application/vnd.ms-excel;charset=UTF-16LE');
+        header('Content-Disposition: attachment; filename='.$filename);
+        header("Cache-Control: no-cache");
+        echo $string_to_export;
+        die();
+    }
+
+    protected function print_webpage($state_info = null)
+    {
+        $data = $this->get_common_data();
+
+        $data->order_by 	= $this->order_by;
+        $data->types 		= $this->get_field_types();
+
+        $data->list = $this->get_list();
+        $data->list = $this->change_list($data->list , $data->types);
+        $data->list = $this->change_list_add_actions($data->list);
+
+        $data->total_results = $this->get_total_results();
+
+        $data->columns 				= $this->get_columns();
+        $data->primary_key 			= $this->get_primary_key();
+
+        @ob_end_clean();
+        $this->_print_webpage($data);
+    }
+
+    protected function _print_webpage($data)
+    {
+        $string_to_print = "<meta charset=\"utf-8\" /><style type=\"text/css\" >
+		#print-table{ color: #000; background: #fff; font-family: Verdana,Tahoma,Helvetica,sans-serif; font-size: 13px;}
+		#print-table table tr td, #print-table table tr th{ border: 1px solid black; border-bottom: none; border-right: none; padding: 4px 8px 4px 4px}
+		#print-table table{ border-bottom: 1px solid black; border-right: 1px solid black}
+		#print-table table tr th{text-align: left;background: #ddd}
+		#print-table table tr:nth-child(odd){background: #eee}
+		</style>";
+        $string_to_print .= "<div id='print-table'>";
+
+        $string_to_print .= '<table width="100%" cellpadding="0" cellspacing="0" ><tr>';
+        foreach($data->columns as $column){
+            $string_to_print .= "<th>".$column->display_as."</th>";
+        }
+        $string_to_print .= "</tr>";
+
+        foreach($data->list as $num_row => $row){
+            $string_to_print .= "<tr>";
+            foreach($data->columns as $column){
+                $string_to_print .= "<td>".$this->_trim_print_string($row->{$column->field_name})."</td>";
+            }
+            $string_to_print .= "</tr>";
+        }
+
+        $string_to_print .= "</table></div>";
+
+        echo $string_to_print;
+        die();
+    }
+
+    protected function _trim_export_string($value)
+    {
+        $value = str_replace(array("&nbsp;","&amp;","&gt;","&lt;"),array(" ","&",">","<"),$value);
+        return  strip_tags(str_replace(array("\t","\n","\r"),"",$value));
+    }
+
+    protected function _trim_print_string($value)
+    {
+        $value = str_replace(array("&nbsp;","&amp;","&gt;","&lt;"),array(" ","&",">","<"),$value);
+
+        //If the value has only spaces and nothing more then add the whitespace html character
+        if(str_replace(" ","",$value) == "")
+            $value = "&nbsp;";
+
+        return strip_tags($value);
+    }
+
+    protected function set_echo_and_die()
+    {
+        $this->echo_and_die = true;
+    }
+
+    protected function unset_echo_and_die()
+    {
+        $this->echo_and_die = false;
+    }
+
+    protected function showListInfo()
+    {
+        $this->set_echo_and_die();
+
+        $total_results = (int)$this->get_total_results();
+        @ob_end_clean();
+        echo json_encode(array('total_results' => $total_results));
+        die();
+    }
+
+    protected function change_list_add_actions($list)
+    {
+        if(empty($this->actions))
+            return $list;
+
+        $primary_key = $this->get_primary_key();
+
+        foreach($list as $num_row => $row)
+        {
+            $actions_urls = array();
+            foreach($this->actions as $unique_id => $action)
+            {
+                if(!empty($action->url_callback))
+                {
+                    $actions_urls[$unique_id] = call_user_func($action->url_callback, $row->$primary_key, $row);
+                }
+                else
+                {
+                    $actions_urls[$unique_id] =
+                        $action->url_has_http ?
+                            $action->link_url.$row->$primary_key :
+                            site_url($action->link_url.'/'.$row->$primary_key);
+                }
+            }
+            $row->action_urls = $actions_urls;
+        }
+
+        return $list;
+    }
+
+    protected function change_list($list,$types)
+    {
+        $primary_key = $this->get_primary_key();
+        $has_callbacks = !empty($this->callback_column) ? true : false;
+        $output_columns = $this->get_columns();
+        foreach($list as $num_row => $row)
+        {
+            foreach($output_columns as $column)
+            {
+                $field_name 	= $column->field_name;
+                $field_value 	= isset( $row->{$column->field_name} ) ? $row->{$column->field_name} : null;
+                if( $has_callbacks && isset($this->callback_column[$field_name]) )
+                    $list[$num_row]->$field_name = call_user_func($this->callback_column[$field_name], $field_value, $row);
+                elseif(isset($types[$field_name]))
+                    $list[$num_row]->$field_name = $this->change_list_value($types[$field_name] , $field_value);
+                else
+                    $list[$num_row]->$field_name = $field_value;
+            }
+        }
+
+        return $list;
+    }
+
+    protected function showAddForm()
+    {
+        $this->set_js_lib($this->default_javascript_path.'/'.grocery_CRUD::JQUERY);
+
+        $data 				= $this->get_common_data();
+        $data->types 		= $this->get_field_types();
+
+        $data->list_url 		= $this->getListUrl();
+        $data->insert_url		= $this->getInsertUrl();
+        $data->validation_url	= $this->getValidationInsertUrl();
+        $data->input_fields 	= $this->get_add_input_fields();
+
+        $data->fields 			= $this->get_add_fields();
+        $data->hidden_fields	= $this->get_add_hidden_fields();
+        $data->unset_back_to_list	= $this->unset_back_to_list;
+        $data->unique_hash			= $this->get_method_hash();
+        $data->is_ajax 			= $this->_is_ajax();
+
+        $this->_theme_view('add.php',$data);
+        $this->_inline_js("var js_date_format = '".$this->js_date_format."';");
+
+        $this->_get_ajax_results();
+    }
+
+    protected function showEditForm($state_info)
+    {
+        $this->set_js_lib($this->default_javascript_path.'/'.grocery_CRUD::JQUERY);
+
+        $data 				= $this->get_common_data();
+        $data->types 		= $this->get_field_types();
+
+        $data->field_values = $this->get_edit_values($state_info->primary_key);
+
+        $data->add_url		= $this->getAddUrl();
+
+        $data->list_url 	= $this->getListUrl();
+        $data->update_url	= $this->getUpdateUrl($state_info);
+        $data->delete_url	= $this->getDeleteUrl($state_info);
+        $data->read_url		= $this->getReadUrl($state_info->primary_key);
+        $data->input_fields = $this->get_edit_input_fields($data->field_values);
+        $data->unique_hash			= $this->get_method_hash();
+
+        $data->fields 		= $this->get_edit_fields();
+        $data->hidden_fields	= $this->get_edit_hidden_fields();
+        $data->unset_back_to_list	= $this->unset_back_to_list;
+
+        $data->validation_url	= $this->getValidationUpdateUrl($state_info->primary_key);
+        $data->is_ajax 			= $this->_is_ajax();
+
+        $this->_theme_view('edit.php',$data);
+        $this->_inline_js("var js_date_format = '".$this->js_date_format."';");
+
+        $this->_get_ajax_results();
+    }
+
+    protected function showReadForm($state_info)
+    {
+        $this->set_js_lib($this->default_javascript_path.'/'.grocery_CRUD::JQUERY);
+
+        $data 				= $this->get_common_data();
+        $data->types 		= $this->get_field_types();
+
+        $data->field_values = $this->get_edit_values($state_info->primary_key);
+
+        $data->add_url		= $this->getAddUrl();
+
+        $data->list_url 	= $this->getListUrl();
+        $data->update_url	= $this->getUpdateUrl($state_info);
+        $data->delete_url	= $this->getDeleteUrl($state_info);
+        $data->read_url		= $this->getReadUrl($state_info->primary_key);
+        $data->input_fields = $this->get_read_input_fields($data->field_values);
+        $data->unique_hash			= $this->get_method_hash();
+
+        $data->fields 		= $this->get_read_fields();
+        $data->hidden_fields	= $this->get_edit_hidden_fields();
+        $data->unset_back_to_list	= $this->unset_back_to_list;
+
+        $data->validation_url	= $this->getValidationUpdateUrl($state_info->primary_key);
+        $data->is_ajax 			= $this->_is_ajax();
+
+        $this->_theme_view('read.php',$data);
+        $this->_inline_js("var js_date_format = '".$this->js_date_format."';");
+
+        $this->_get_ajax_results();
+    }
+
+    protected function delete_layout($delete_result = true)
+    {
+        @ob_end_clean();
+        if($delete_result === false)
+        {
+            $error_message = '<p>'.$this->l('delete_error_message').'</p>';
+
+            echo json_encode(array('success' => $delete_result ,'error_message' => $error_message));
+        }
+        else
+        {
+            $success_message = '<p>'.$this->l('delete_success_message').'</p>';
+
+            echo json_encode(array('success' => true , 'success_message' => $success_message));
+        }
+        $this->set_echo_and_die();
+    }
+
+    protected function get_success_message_at_list($field_info = null)
+    {
+        if($field_info !== null && isset($field_info->success_message) && $field_info->success_message)
+        {
+            if(!empty($field_info->primary_key) && !$this->unset_edit)
+            {
+                return $this->l('insert_success_message')." <a class='go-to-edit-form' href='".$this->getEditUrl($field_info->primary_key)."'>".$this->l('form_edit')." {$this->subject}</a> ";
+            }
+            else
+            {
+                return $this->l('insert_success_message');
+            }
+        }
+        else
+        {
+            return null;
+        }
+    }
+
+    protected function insert_layout($insert_result = false)
+    {
+        @ob_end_clean();
+        if($insert_result === false)
+        {
+            echo json_encode(array('success' => false));
+        }
+        else
+        {
+            $success_message = '<p>'.$this->l('insert_success_message');
+
+            if(!$this->unset_back_to_list && !empty($insert_result) && !$this->unset_edit)
+            {
+                $success_message .= " <a class='go-to-edit-form' href='".$this->getEditUrl($insert_result)."'>".$this->l('form_edit')." {$this->subject}</a> ";
+
+                if (!$this->_is_ajax()) {
+                    $success_message .= $this->l('form_or');
+                }
+            }
+
+            if(!$this->unset_back_to_list && !$this->_is_ajax())
+            {
+                $success_message .= " <a href='".$this->getListUrl()."'>".$this->l('form_go_back_to_list')."</a>";
+            }
+
+            $success_message .= '</p>';
+
+            echo json_encode(array(
+                    'success' => true ,
+                    'insert_primary_key' => $insert_result,
+                    'success_message' => $success_message,
+                    'success_list_url'	=> $this->getListSuccessUrl($insert_result)
+            ));
+        }
+        $this->set_echo_and_die();
+    }
+
+    protected function validation_layout($validation_result)
+    {
+        @ob_end_clean();
+        echo json_encode($validation_result);
+        $this->set_echo_and_die();
+    }
+
+    protected function upload_layout($upload_result, $field_name)
+    {
+        @ob_end_clean();
+        if($upload_result !== false && !is_string($upload_result) && empty($upload_result[0]->error))
+        {
+            echo json_encode(
+                    (object)array(
+                            'success' => true,
+                            'files'	=> $upload_result
+                    ));
+        }
+        else
+        {
+            $result = (object)array('success' => false);
+            if(is_string($upload_result))
+                $result->message = $upload_result;
+            if(!empty($upload_result[0]->error))
+                $result->message = $upload_result[0]->error;
+
+            echo json_encode($result);
+        }
+
+        $this->set_echo_and_die();
+    }
+
+    protected function delete_file_layout($upload_result)
+    {
+        @ob_end_clean();
+        if($upload_result !== false)
+        {
+            echo json_encode( (object)array( 'success' => true ) );
+        }
+        else
+        {
+            echo json_encode((object)array('success' => false));
+        }
+
+        $this->set_echo_and_die();
+    }
+
+    public function set_css($css_file)
+    {
+        $this->css_files[sha1($css_file)] = base_url().$css_file;
+    }
+
+    public function set_js($js_file)
+    {
+        $this->js_files[sha1($js_file)] = base_url().$js_file;
+    }
+
+    public function set_js_lib($js_file)
+    {
+        $this->js_lib_files[sha1($js_file)] = base_url().$js_file;
+        $this->js_files[sha1($js_file)] = base_url().$js_file;
+    }
+
+    public function set_js_config($js_file)
+    {
+        $this->js_config_files[sha1($js_file)] = base_url().$js_file;
+        $this->js_files[sha1($js_file)] = base_url().$js_file;
+    }
+
+    public function is_IE7()
+    {
+        return isset($_SERVER['HTTP_USER_AGENT'])
+                    && (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE 7') !== false)
+                    ? true : false;
+    }
+
+    public function get_css_files()
+    {
+        return $this->css_files;
+    }
+
+    public function get_js_files()
+    {
+        return $this->js_files;
+    }
+
+    public function get_js_lib_files()
+    {
+        return $this->js_lib_files;
+    }
+
+    public function get_js_config_files()
+    {
+        return $this->js_config_files;
+    }
+
+    /**
+     * Load Javascripts
+     **/
+    protected function load_js_fancybox()
+    {
+        $this->set_css($this->default_css_path.'/jquery_plugins/fancybox/jquery.fancybox.css');
+
+        $this->set_js_lib($this->default_javascript_path.'/jquery_plugins/jquery.fancybox-1.3.4.js');
+        $this->set_js_lib($this->default_javascript_path.'/jquery_plugins/jquery.easing-1.3.pack.js');
+    }
+
+    protected function load_js_chosen()
+    {
+        $this->set_css($this->default_css_path.'/jquery_plugins/chosen/chosen.css');
+        $this->set_js_lib($this->default_javascript_path.'/jquery_plugins/jquery.chosen.min.js');
+    }
+
+    protected function load_js_jqueryui()
+    {
+        $this->set_css($this->default_css_path.'/ui/simple/'.grocery_CRUD::JQUERY_UI_CSS);
+        $this->set_js_lib($this->default_javascript_path.'/jquery_plugins/ui/'.grocery_CRUD::JQUERY_UI_JS);
+    }
+
+    protected function load_js_uploader()
+    {
+        $this->set_css($this->default_css_path.'/ui/simple/'.grocery_CRUD::JQUERY_UI_CSS);
+        $this->set_css($this->default_css_path.'/jquery_plugins/file_upload/file-uploader.css');
+        $this->set_css($this->default_css_path.'/jquery_plugins/file_upload/jquery.fileupload-ui.css');
+
+        $this->set_js_lib($this->default_javascript_path.'/jquery_plugins/ui/'.grocery_CRUD::JQUERY_UI_JS);
+        $this->set_js_lib($this->default_javascript_path.'/jquery_plugins/tmpl.min.js');
+        $this->set_js_lib($this->default_javascript_path.'/jquery_plugins/load-image.min.js');
+
+        $this->set_js_lib($this->default_javascript_path.'/jquery_plugins/jquery.iframe-transport.js');
+        $this->set_js_lib($this->default_javascript_path.'/jquery_plugins/jquery.fileupload.js');
+        $this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.fileupload.config.js');
+    }
+
+    protected function get_layout()
+    {
+        $js_files = $this->get_js_files();
+        $css_files =  $this->get_css_files();
+
+        $js_lib_files = $this->get_js_lib_files();
+        $js_config_files = $this->get_js_config_files();
+
+        if ($this->unset_jquery) {
+            unset($js_files[sha1($this->default_javascript_path.'/'.grocery_CRUD::JQUERY)]);
+        }
+
+        if ($this->unset_jquery_ui) {
+            unset($css_files[sha1($this->default_css_path.'/ui/simple/'.grocery_CRUD::JQUERY_UI_CSS)]);
+            unset($js_files[sha1($this->default_javascript_path.'/jquery_plugins/ui/'.grocery_CRUD::JQUERY_UI_JS)]);
+        }
+
+        if ($this->unset_bootstrap) {
+            unset($js_files[sha1($this->default_theme_path.'/bootstrap/js/bootstrap/dropdown.js')]);
+            unset($js_files[sha1($this->default_theme_path.'/bootstrap/js/bootstrap/modal.js')]);
+            unset($js_files[sha1($this->default_theme_path.'/bootstrap/js/bootstrap/dropdown.min.js')]);
+            unset($js_files[sha1($this->default_theme_path.'/bootstrap/js/bootstrap/modal.min.js')]);
+            unset($css_files[sha1($this->default_theme_path.'/bootstrap/css/bootstrap/bootstrap.css')]);
+            unset($css_files[sha1($this->default_theme_path.'/bootstrap/css/bootstrap/bootstrap.min.css')]);
+            unset($css_files[sha1($this->default_theme_path.'/bootstrap-v4/css/bootstrap/bootstrap.css')]);
+            unset($css_files[sha1($this->default_theme_path.'/bootstrap-v4/css/bootstrap/bootstrap.min.css')]);
+        }
+
+        if($this->echo_and_die === false)
+        {
+            /** Initialize JavaScript variables */
+            $js_vars =  array(
+                    'default_javascript_path'	=> base_url().$this->default_javascript_path,
+                    'default_css_path'			=> base_url().$this->default_css_path,
+                    'default_texteditor_path'	=> base_url().$this->default_texteditor_path,
+                    'default_theme_path'		=> base_url().$this->default_theme_path,
+                    'base_url'				 	=> base_url()
+            );
+            $this->_add_js_vars($js_vars);
+
+            return (object)array(
+                    'js_files' => $js_files,
+                    'js_lib_files' => $js_lib_files,
+                    'js_config_files' => $js_config_files,
+                    'css_files' => $css_files,
+                    'output' => $this->views_as_string,
+            );
+        }
+        elseif($this->echo_and_die === true)
+        {
+            echo $this->views_as_string;
+            die();
+        }
+    }
+
+    protected function update_layout($update_result = false, $state_info = null)
+    {
+        @ob_end_clean();
+        if($update_result === false)
+        {
+            echo json_encode(array('success' => $update_result));
+        }
+        else
+        {
+            $success_message = '<p>'.$this->l('update_success_message');
+            if(!$this->unset_back_to_list && !$this->_is_ajax())
+            {
+                $success_message .= " <a href='".$this->getListUrl()."'>".$this->l('form_go_back_to_list')."</a>";
+            }
+            $success_message .= '</p>';
+
+            echo json_encode(array(
+                    'success' => true ,
+                    'insert_primary_key' => $update_result,
+                    'success_message' => $success_message,
+                    'success_list_url'	=> $this->getListSuccessUrl($state_info->primary_key)
+            ));
+        }
+        $this->set_echo_and_die();
+    }
+
+    protected function get_integer_input($field_info,$value)
+    {
+        $this->set_js_lib($this->default_javascript_path.'/jquery_plugins/jquery.numeric.min.js');
+        $this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.numeric.config.js');
+        $extra_attributes = '';
+        if(!empty($field_info->db_max_length))
+            $extra_attributes .= "maxlength='{$field_info->db_max_length}'";
+        $input = "<input id='field-{$field_info->name}' name='{$field_info->name}' type='text' value='$value' class='numeric form-control' $extra_attributes />";
+        return $input;
+    }
+
+    protected function get_true_false_input($field_info,$value)
+    {
+        $value_is_null = empty($value) && $value !== '0' && $value !== 0 ? true : false;
+
+        $input = "<div class='pretty-radio-buttons'>";
+
+        $true_string = is_array($field_info->extras) && array_key_exists(1,$field_info->extras) ? $field_info->extras[1] : $this->default_true_false_text[1];
+        $checked = $value === '1' || ($value_is_null && $field_info->default === '1') ? "checked = 'checked'" : "";
+        $input .=
+            "<div class=\"radio\"><label>
+				<input id='field-{$field_info->name}-true' type=\"radio\" name=\"{$field_info->name}\" value=\"1\" $checked />
+				$true_string
+			 </label> </div>";
+
+        $false_string =  is_array($field_info->extras) && array_key_exists(0,$field_info->extras) ? $field_info->extras[0] : $this->default_true_false_text[0];
+        $checked = $value === '0' || ($value_is_null && $field_info->default === '0') ? "checked = 'checked'" : "";
+        $input .=
+            "<div class=\"radio\"><label>
+				<input id='field-{$field_info->name}-false' type=\"radio\" name=\"{$field_info->name}\" value=\"0\" $checked />
+				$false_string
+			 </label> </div>";
+
+        $input .= "</div>";
+
+        return $input;
+    }
+
+    protected function get_string_input($field_info,$value)
+    {
+        $value = !is_string($value) ? '' : str_replace('"',"&quot;",$value);
+
+        $extra_attributes = '';
+        if (!empty($field_info->db_max_length)) {
+
+            if (in_array($field_info->type, array("decimal", "float"))) {
+                $decimal_lentgh = explode(",", $field_info->db_max_length);
+                $decimal_lentgh = ((int)$decimal_lentgh[0]) + 1;
+
+                $extra_attributes .= "maxlength='" . $decimal_lentgh . "'";
+            } else {
+                $extra_attributes .= "maxlength='{$field_info->db_max_length}'";
+            }
+
+        }
+        $input = "<input id='field-{$field_info->name}' class='form-control' name='{$field_info->name}' type='text' value=\"$value\" $extra_attributes />";
+        return $input;
+    }
+
+    protected function get_text_input($field_info,$value)
+    {
+        if($field_info->extras == 'text_editor')
+        {
+            $editor = $this->config->default_text_editor;
+            switch ($editor) {
+                case 'ckeditor':
+                    $this->set_js_lib($this->default_texteditor_path.'/ckeditor/ckeditor.js');
+                    $this->set_js_lib($this->default_texteditor_path.'/ckeditor/adapters/jquery.js');
+                    $this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.ckeditor.config.js');
+                break;
+
+                case 'tinymce':
+                    $this->set_js_lib($this->default_texteditor_path.'/tiny_mce/jquery.tinymce.js');
+                    $this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.tine_mce.config.js');
+                break;
+
+                case 'markitup':
+                    $this->set_css($this->default_texteditor_path.'/markitup/skins/markitup/style.css');
+                    $this->set_css($this->default_texteditor_path.'/markitup/sets/default/style.css');
+
+                    $this->set_js_lib($this->default_texteditor_path.'/markitup/jquery.markitup.js');
+                    $this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.markitup.config.js');
+                break;
+            }
+
+            $class_name = $this->config->text_editor_type == 'minimal' ? 'mini-texteditor' : 'texteditor';
+
+            $input = "<textarea id='field-{$field_info->name}' name='{$field_info->name}' class='$class_name' >$value</textarea>";
+        }
+        else
+        {
+            $input = "<textarea id='field-{$field_info->name}' name='{$field_info->name}'>$value</textarea>";
+        }
+        return $input;
+    }
+
+    protected function get_datetime_input($field_info,$value)
+    {
+        $this->set_css($this->default_css_path.'/ui/simple/'.grocery_CRUD::JQUERY_UI_CSS);
+        $this->set_css($this->default_css_path.'/jquery_plugins/jquery.ui.datetime.css');
+        $this->set_css($this->default_css_path.'/jquery_plugins/jquery-ui-timepicker-addon.css');
+        $this->set_js_lib($this->default_javascript_path.'/jquery_plugins/ui/'.grocery_CRUD::JQUERY_UI_JS);
+        $this->set_js_lib($this->default_javascript_path.'/jquery_plugins/jquery-ui-timepicker-addon.js');
+
+        if($this->language !== 'english')
+        {
+            include($this->default_config_path.'/language_alias.php');
+            if(array_key_exists($this->language, $language_alias))
+            {
+                $i18n_date_js_file = $this->default_javascript_path.'/jquery_plugins/ui/i18n/datepicker/jquery.ui.datepicker-'.$language_alias[$this->language].'.js';
+                if(file_exists($i18n_date_js_file))
+                {
+                    $this->set_js_lib($i18n_date_js_file);
+                }
+
+                $i18n_datetime_js_file = $this->default_javascript_path.'/jquery_plugins/ui/i18n/timepicker/jquery-ui-timepicker-'.$language_alias[$this->language].'.js';
+                if(file_exists($i18n_datetime_js_file))
+                {
+                    $this->set_js_lib($i18n_datetime_js_file);
+                }
+            }
+        }
+
+        $this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery-ui-timepicker-addon.config.js');
+
+        if(!empty($value) && $value != '0000-00-00 00:00:00' && $value != '1970-01-01 00:00:00'){
+            list($year,$month,$day) = explode('-',substr($value,0,10));
+            $date = date($this->php_date_format, mktime(0,0,0,$month,$day,$year));
+            $datetime = $date.substr($value,10);
+        }
+        else
+        {
+            $datetime = '';
+        }
+        $input = "<input id='field-{$field_info->name}' name='{$field_info->name}' type='text' value='$datetime' maxlength='19' class='datetime-input form-control' />
+		<a class='datetime-input-clear' tabindex='-1'>".$this->l('form_button_clear')."</a>
+		({$this->ui_date_format}) hh:mm:ss";
+        return $input;
+    }
+
+    protected function get_hidden_input($field_info,$value)
+    {
+        if($field_info->extras !== null && $field_info->extras != false)
+            $value = $field_info->extras;
+        $input = "<input id='field-{$field_info->name}' type='hidden' name='{$field_info->name}' value='$value' />";
+        return $input;
+    }
+
+    protected function get_password_input($field_info,$value)
+    {
+        $value = !is_string($value) ? '' : $value;
+
+        $extra_attributes = '';
+        if(!empty($field_info->db_max_length))
+            $extra_attributes .= "maxlength='{$field_info->db_max_length}'";
+        $input = "<input id='field-{$field_info->name}' class='form-control' name='{$field_info->name}' type='password' value='$value' $extra_attributes />";
+        return $input;
+    }
+
+    protected function get_date_input($field_info,$value)
+    {
+        $this->set_css($this->default_css_path.'/ui/simple/'.grocery_CRUD::JQUERY_UI_CSS);
+        $this->set_js_lib($this->default_javascript_path.'/jquery_plugins/ui/'.grocery_CRUD::JQUERY_UI_JS);
+
+        if($this->language !== 'english')
+        {
+            include($this->default_config_path.'/language_alias.php');
+            if(array_key_exists($this->language, $language_alias))
+            {
+                $i18n_date_js_file = $this->default_javascript_path.'/jquery_plugins/ui/i18n/datepicker/jquery.ui.datepicker-'.$language_alias[$this->language].'.js';
+                if(file_exists($i18n_date_js_file))
+                {
+                    $this->set_js_lib($i18n_date_js_file);
+                }
+            }
+        }
+
+        $this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.datepicker.config.js');
+
+        if(!empty($value) && $value != '0000-00-00' && $value != '1970-01-01')
+        {
+            list($year,$month,$day) = explode('-',substr($value,0,10));
+            $date = date($this->php_date_format, mktime(0,0,0,$month,$day,$year));
+        }
+        else
+        {
+            $date = '';
+        }
+
+        $input = "<input id='field-{$field_info->name}' name='{$field_info->name}' type='text' value='$date' maxlength='10' class='datepicker-input form-control' />
+		<a class='datepicker-input-clear' tabindex='-1'>".$this->l('form_button_clear')."</a> (".$this->ui_date_format.")";
+        return $input;
+    }
+
+    protected function get_dropdown_input($field_info,$value)
+    {
+        $this->load_js_chosen();
+        $this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.chosen.config.js');
+
+        $select_title = str_replace('{field_display_as}',$field_info->display_as,$this->l('set_relation_title'));
+
+        $input = "<select id='field-{$field_info->name}' name='{$field_info->name}' class='chosen-select' data-placeholder='".$select_title."'>";
+        $options = array('' => '') + $field_info->extras;
+        foreach($options as $option_value => $option_label)
+        {
+            $selected = !empty($value) && $value == $option_value ? "selected='selected'" : '';
+            $input .= "<option value='$option_value' $selected >$option_label</option>";
+        }
+
+        $input .= "</select>";
+        return $input;
+    }
+
+    protected function get_enum_input($field_info,$value)
+    {
+        $this->load_js_chosen();
+        $this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.chosen.config.js');
+
+        $select_title = str_replace('{field_display_as}',$field_info->display_as,$this->l('set_relation_title'));
+
+        $input = "<select id='field-{$field_info->name}' name='{$field_info->name}' class='chosen-select' data-placeholder='".$select_title."'>";
+        $options_array = $field_info->extras !== false && is_array($field_info->extras)? $field_info->extras : explode("','",substr($field_info->db_max_length,1,-1));
+        $options_array = array('' => '') + $options_array;
+
+        foreach($options_array as $option)
+        {
+            $selected = !empty($value) && $value == $option ? "selected='selected'" : '';
+            $input .= "<option value='$option' $selected >$option</option>";
+        }
+
+        $input .= "</select>";
+        return $input;
+    }
+
+    protected function get_readonly_input($field_info, $value)
+    {
+        $read_only_value = "&nbsp;";
+
+        if (!empty($value) && !is_array($value)) {
+            $read_only_value = $value;
+        } elseif (is_array($value)) {
+            $all_values = array_values($value);
+            $read_only_value = implode(", ",$all_values);
+        }
+
+        return '<div id="field-'.$field_info->name.'" class="readonly_label">'.$read_only_value.'</div>';
+    }
+
+    protected function get_set_input($field_info,$value)
+    {
+        $this->load_js_chosen();
+        $this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.chosen.config.js');
+
+        $options_array = $field_info->extras !== false && is_array($field_info->extras)? $field_info->extras : explode("','",substr($field_info->db_max_length,1,-1));
+        $selected_values 	= !empty($value) ? explode(",",$value) : array();
+
+        $select_title = str_replace('{field_display_as}',$field_info->display_as,$this->l('set_relation_title'));
+        $input = "<select id='field-{$field_info->name}' name='{$field_info->name}[]' multiple='multiple' size='8' class='chosen-multiple-select' data-placeholder='$select_title' style='width:510px;' >";
+
+        foreach($options_array as $option)
+        {
+            $selected = !empty($value) && in_array($option,$selected_values) ? "selected='selected'" : '';
+            $input .= "<option value='$option' $selected >$option</option>";
+        }
+
+        $input .= "</select>";
+
+        return $input;
+    }
+
+    protected function get_multiselect_input($field_info,$value)
+    {
+        $this->load_js_chosen();
+        $this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.chosen.config.js');
+
+        $options_array = $field_info->extras;
+        $selected_values 	= !empty($value) ? explode(",",$value) : array();
+
+        $select_title = str_replace('{field_display_as}',$field_info->display_as,$this->l('set_relation_title'));
+        $input = "<select id='field-{$field_info->name}' name='{$field_info->name}[]' multiple='multiple' size='8' class='chosen-multiple-select' data-placeholder='$select_title' style='width:510px;' >";
+
+        foreach($options_array as $option_value => $option_label)
+        {
+            $selected = !empty($value) && in_array($option_value,$selected_values) ? "selected='selected'" : '';
+            $input .= "<option value='$option_value' $selected >$option_label</option>";
+        }
+
+        $input .= "</select>";
+
+        return $input;
+    }
+
+    protected function get_relation_input($field_info,$value)
+    {
+        $this->load_js_chosen();
+        $this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.chosen.config.js');
+
+        $ajax_limitation = 10000;
+        $total_rows = $this->get_relation_total_rows($field_info->extras);
+
+
+        //Check if we will use ajax for our queries or just clien-side javascript
+        $using_ajax = $total_rows > $ajax_limitation ? true : false;
+
+        //We will not use it for now. It is not ready yet. Probably we will have this functionality at version 1.4
+        $using_ajax = false;
+
+        //If total rows are more than the limitation, use the ajax plugin
+        $ajax_or_not_class = $using_ajax ? 'chosen-select' : 'chosen-select';
+
+        $this->_inline_js("var ajax_relation_url = '".$this->getAjaxRelationUrl()."';\n");
+
+        $select_title = str_replace('{field_display_as}',$field_info->display_as,$this->l('set_relation_title'));
+        $input = "<select id='field-{$field_info->name}'  name='{$field_info->name}' class='$ajax_or_not_class' data-placeholder='$select_title' style='width:300px'>";
+        $input .= "<option value=''></option>";
+
+        if(!$using_ajax)
+        {
+            $options_array = $this->get_relation_array($field_info->extras);
+            foreach($options_array as $option_value => $option)
+            {
+                $selected = !empty($value) && $value == $option_value ? "selected='selected'" : '';
+                $input .= "<option value='$option_value' $selected >$option</option>";
+            }
+        }
+        elseif(!empty($value) || (is_numeric($value) && $value == '0') ) //If it's ajax then we only need the selected items and not all the items
+        {
+            $selected_options_array = $this->get_relation_array($field_info->extras, $value);
+            foreach($selected_options_array as $option_value => $option)
+            {
+                $input .= "<option value='$option_value'selected='selected' >$option</option>";
+            }
+        }
+
+        $input .= "</select>";
+        return $input;
+    }
+
+    protected function get_relation_readonly_input($field_info,$value)
+    {
+        $options_array = $this->get_relation_array($field_info->extras);
+
+        $value = isset($options_array[$value]) ? $options_array[$value] : '';
+
+        return $this->get_readonly_input($field_info, $value);
+    }
+
+    protected function get_upload_file_readonly_input($field_info,$value)
+    {
+        $file = $file_url = base_url().$field_info->extras->upload_path.'/'.$value;
+
+        $value = !empty($value) ? '<a href="'.$file.'" target="_blank">'.$value.'</a>' : '';
+
+        return $this->get_readonly_input($field_info, $value);
+    }
+
+    protected function get_relation_n_n_input($field_info_type, $selected_values)
+    {
+        $has_priority_field = !empty($field_info_type->extras->priority_field_relation_table) ? true : false;
+        $is_ie_7 = isset($_SERVER['HTTP_USER_AGENT']) && (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE 7') !== false) ? true : false;
+
+        if($has_priority_field || $is_ie_7)
+        {
+            $this->set_css($this->default_css_path.'/ui/simple/'.grocery_CRUD::JQUERY_UI_CSS);
+            $this->set_css($this->default_css_path.'/jquery_plugins/ui.multiselect.css');
+            $this->set_js_lib($this->default_javascript_path.'/jquery_plugins/ui/'.grocery_CRUD::JQUERY_UI_JS);
+            $this->set_js_lib($this->default_javascript_path.'/jquery_plugins/ui.multiselect.min.js');
+            $this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.multiselect.js');
+
+            if($this->language !== 'english')
+            {
+                include($this->default_config_path.'/language_alias.php');
+                if(array_key_exists($this->language, $language_alias))
+                {
+                    $i18n_date_js_file = $this->default_javascript_path.'/jquery_plugins/ui/i18n/multiselect/ui-multiselect-'.$language_alias[$this->language].'.js';
+                    if(file_exists($i18n_date_js_file))
+                    {
+                        $this->set_js_lib($i18n_date_js_file);
+                    }
+                }
+            }
+        }
+        else
+        {
+            $this->set_css($this->default_css_path.'/jquery_plugins/chosen/chosen.css');
+            $this->set_js_lib($this->default_javascript_path.'/jquery_plugins/jquery.chosen.min.js');
+            $this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.chosen.config.js');
+        }
+
+        $this->_inline_js("var ajax_relation_url = '".$this->getAjaxRelationUrl()."';\n");
+
+        $field_info 		= $this->relation_n_n[$field_info_type->name]; //As we use this function the relation_n_n exists, so don't need to check
+        $unselected_values 	= $this->get_relation_n_n_unselected_array($field_info, $selected_values);
+
+        if(empty($unselected_values) && empty($selected_values))
+        {
+            $input = "Please add {$field_info_type->display_as} first";
+        }
+        else
+        {
+            $css_class = $has_priority_field || $is_ie_7 ? 'multiselect': 'chosen-multiple-select';
+            $width_style = $has_priority_field || $is_ie_7 ? '' : 'width:510px;';
+
+            $select_title = str_replace('{field_display_as}',$field_info_type->display_as,$this->l('set_relation_title'));
+            $input = "<select id='field-{$field_info_type->name}' name='{$field_info_type->name}[]' multiple='multiple' size='8' class='$css_class' data-placeholder='$select_title' style='$width_style' >";
+
+            if(!empty($unselected_values))
+                foreach($unselected_values as $id => $name)
+                {
+                    $input .= "<option value='$id'>$name</option>";
+                }
+
+            if(!empty($selected_values))
+                foreach($selected_values as $id => $name)
+                {
+                    $input .= "<option value='$id' selected='selected'>$name</option>";
+                }
+
+            $input .= "</select>";
+        }
+
+        return $input;
+    }
+
+    protected function _convert_bytes_ui_to_bytes($bytes_ui)
+    {
+        $bytes_ui = str_replace(' ','',$bytes_ui);
+        if(strstr($bytes_ui,'MB'))
+            $bytes = (int)(str_replace('MB','',$bytes_ui))*1024*1024;
+        elseif(strstr($bytes_ui,'KB'))
+            $bytes = (int)(str_replace('KB','',$bytes_ui))*1024;
+        elseif(strstr($bytes_ui,'B'))
+            $bytes = (int)(str_replace('B','',$bytes_ui));
+        else
+            $bytes = (int)($bytes_ui);
+
+        return $bytes;
+    }
+
+    protected function get_upload_file_input($field_info, $value)
+    {
+        $this->load_js_uploader();
+
+        //Fancybox
+        $this->load_js_fancybox();
+
+        $this->set_js_config($this->default_javascript_path.'/jquery_plugins/config/jquery.fancybox.config.js');
+
+        $unique = mt_rand();
+
+        $allowed_files = $this->config->file_upload_allow_file_types;
+        $allowed_files_ui = '.'.str_replace('|',',.',$allowed_files);
+        $max_file_size_ui = $this->config->file_upload_max_file_size;
+        $max_file_size_bytes = $this->_convert_bytes_ui_to_bytes($max_file_size_ui);
+
+        $this->_inline_js('
+			var upload_info_'.$unique.' = {
+				accepted_file_types: /(\\.|\\/)('.$allowed_files.')$/i,
+				accepted_file_types_ui : "'.$allowed_files_ui.'",
+				max_file_size: '.$max_file_size_bytes.',
+				max_file_size_ui: "'.$max_file_size_ui.'"
+			};
+
+			var string_upload_file 	= "'.$this->l('form_upload_a_file').'";
+			var string_delete_file 	= "'.$this->l('string_delete_file').'";
+			var string_progress 			= "'.$this->l('string_progress').'";
+			var error_on_uploading 			= "'.$this->l('error_on_uploading').'";
+			var message_prompt_delete_file 	= "'.$this->l('message_prompt_delete_file').'";
+
+			var error_max_number_of_files 	= "'.$this->l('error_max_number_of_files').'";
+			var error_accept_file_types 	= "'.$this->l('error_accept_file_types').'";
+			var error_max_file_size 		= "'.str_replace("{max_file_size}",$max_file_size_ui,$this->l('error_max_file_size')).'";
+			var error_min_file_size 		= "'.$this->l('error_min_file_size').'";
+
+			var base_url = "'.base_url().'";
+			var upload_a_file_string = "'.$this->l('form_upload_a_file').'";
+		');
+
+        $uploader_display_none 	= empty($value) ? "" : "display:none;";
+        $file_display_none  	= empty($value) ?  "display:none;" : "";
+
+        $is_image = !empty($value) &&
+                        ( substr($value,-4) == '.jpg'
+                                || substr($value,-4) == '.png'
+                                || substr($value,-5) == '.jpeg'
+                                || substr($value,-4) == '.gif'
+                                || substr($value,-5) == '.tiff')
+                    ? true : false;
+
+        $image_class = $is_image ? 'image-thumbnail' : '';
+
+        $input = '<span class="fileinput-button qq-upload-button" id="upload-button-'.$unique.'" style="'.$uploader_display_none.'">
+			<span>'.$this->l('form_upload_a_file').'</span>
+			<input type="file" name="'.$this->_unique_field_name($field_info->name).'" class="gc-file-upload" rel="'.$this->getUploadUrl($field_info->name).'" id="'.$unique.'">
+			<input class="hidden-upload-input" type="hidden" name="'.$field_info->name.'" value="'.$value.'" rel="'.$this->_unique_field_name($field_info->name).'" />
+		</span>';
+
+        $this->set_css($this->default_css_path.'/jquery_plugins/file_upload/fileuploader.css');
+
+        $file_url = base_url().$field_info->extras->upload_path.'/'.$value;
+
+        $input .= "<div id='uploader_$unique' rel='$unique' class='grocery-crud-uploader' style='$uploader_display_none'></div>";
+        $input .= "<div id='success_$unique' class='upload-success-url' style='$file_display_none padding-top:7px;'>";
+        $input .= "<a href='".$file_url."' id='file_$unique' class='open-file";
+        $input .= $is_image ? " $image_class'><img src='".$file_url."' height='50px'>" : "' target='_blank'>$value";
+        $input .= "</a> ";
+        $input .= "<a href='javascript:void(0)' id='delete_$unique' class='delete-anchor'>".$this->l('form_upload_delete')."</a> ";
+        $input .= "</div><div style='clear:both'></div>";
+        $input .= "<div id='loading-$unique' style='display:none'><span id='upload-state-message-$unique'></span> <span class='qq-upload-spinner'></span> <span id='progress-$unique'></span></div>";
+        $input .= "<div style='display:none'><a href='".$this->getUploadUrl($field_info->name)."' id='url_$unique'></a></div>";
+        $input .= "<div style='display:none'><a href='".$this->getFileDeleteUrl($field_info->name)."' id='delete_url_$unique' rel='$value' ></a></div>";
+
+        return $input;
+    }
+
+    protected function get_add_hidden_fields()
+    {
+        return $this->add_hidden_fields;
+    }
+
+    protected function get_edit_hidden_fields()
+    {
+        return $this->edit_hidden_fields;
+    }
+
+    protected function get_add_input_fields($field_values = null)
+    {
+        $fields = $this->get_add_fields();
+        $types 	= $this->get_field_types();
+
+        $input_fields = array();
+
+        foreach($fields as $field_num => $field)
+        {
+            $field_info = $types[$field->field_name];
+
+            $field_value = !empty($field_values) && isset($field_values->{$field->field_name}) ? $field_values->{$field->field_name} : null;
+
+            if(!isset($this->callback_add_field[$field->field_name]))
+            {
+                $field_input = $this->get_field_input($field_info, $field_value);
+            }
+            else
+            {
+                $field_input = $field_info;
+                $field_input->input = call_user_func($this->callback_add_field[$field->field_name], $field_value, null, $field_info);
+            }
+
+            switch ($field_info->crud_type) {
+                case 'invisible':
+                    unset($this->add_fields[$field_num]);
+                    unset($fields[$field_num]);
+                    continue;
+                break;
+                case 'hidden':
+                    $this->add_hidden_fields[] = $field_input;
+                    unset($this->add_fields[$field_num]);
+                    unset($fields[$field_num]);
+                    continue;
+                break;
+            }
+
+            $input_fields[$field->field_name] = $field_input;
+        }
+
+        return $input_fields;
+    }
+
+    protected function get_edit_input_fields($field_values = null)
+    {
+        $fields = $this->get_edit_fields();
+        $types 	= $this->get_field_types();
+
+        $input_fields = array();
+
+        foreach($fields as $field_num => $field)
+        {
+            $field_info = $types[$field->field_name];
+
+            $field_value = !empty($field_values) && isset($field_values->{$field->field_name}) ? $field_values->{$field->field_name} : null;
+            if(!isset($this->callback_edit_field[$field->field_name]))
+            {
+                $field_input = $this->get_field_input($field_info, $field_value);
+            }
+            else
+            {
+                $primary_key = $this->getStateInfo()->primary_key;
+                $field_input = $field_info;
+                $field_input->input = call_user_func($this->callback_edit_field[$field->field_name], $field_value, $primary_key, $field_info, $field_values);
+            }
+
+            switch ($field_info->crud_type) {
+                case 'invisible':
+                    unset($this->edit_fields[$field_num]);
+                    unset($fields[$field_num]);
+                    continue;
+                break;
+                case 'hidden':
+                    $this->edit_hidden_fields[] = $field_input;
+                    unset($this->edit_fields[$field_num]);
+                    unset($fields[$field_num]);
+                    continue;
+                break;
+            }
+
+            $input_fields[$field->field_name] = $field_input;
+        }
+
+        return $input_fields;
+    }
+
+    protected function get_read_input_fields($field_values = null)
+    {
+        $read_fields = $this->get_read_fields();
+
+        $this->field_types = null;
+        $this->required_fields = null;
+
+        $read_inputs = array();
+        foreach ($read_fields as $field) {
+            if (!empty($this->change_field_type)
+                    && isset($this->change_field_type[$field->field_name])
+                    && $this->change_field_type[$field->field_name]->type == 'hidden') {
+                continue;
+            }
+            $this->field_type($field->field_name, 'readonly');
+        }
+
+        $fields = $this->get_read_fields();
+        $types 	= $this->get_field_types();
+
+        $input_fields = array();
+
+        foreach($fields as $field_num => $field)
+        {
+            $field_info = $types[$field->field_name];
+
+            $field_value = !empty($field_values) && isset($field_values->{$field->field_name}) ? $field_values->{$field->field_name} : null;
+            if(!isset($this->callback_read_field[$field->field_name]))
+            {
+                $field_input = $this->get_field_input($field_info, $field_value);
+            }
+            else
+            {
+                $primary_key = $this->getStateInfo()->primary_key;
+                $field_input = $field_info;
+                $field_input->input = call_user_func($this->callback_read_field[$field->field_name], $field_value, $primary_key, $field_info, $field_values);
+            }
+
+            switch ($field_info->crud_type) {
+                case 'invisible':
+                    unset($this->read_fields[$field_num]);
+                    unset($fields[$field_num]);
+                    continue;
+                    break;
+                case 'hidden':
+                    $this->read_hidden_fields[] = $field_input;
+                    unset($this->read_fields[$field_num]);
+                    unset($fields[$field_num]);
+                    continue;
+                    break;
+            }
+
+            $input_fields[$field->field_name] = $field_input;
+        }
+
+        return $input_fields;
+    }
+
+    protected function setThemeBasics()
+    {
+        $this->theme_path = $this->default_theme_path;
+        if(substr($this->theme_path,-1) != '/')
+            $this->theme_path = $this->theme_path.'/';
+
+        include($this->theme_path.$this->theme.'/config.php');
+
+        $this->theme_config = $config;
+    }
+
+    public function set_theme($theme = null)
+    {
+        $this->theme = $theme;
+
+        return $this;
+    }
+
+    protected function _get_ajax_results()
+    {
+        //This is a $_POST request rather that $_GET request , because
+        //Codeigniter doesn't like the $_GET requests so much!
+        if ($this->_is_ajax()) {
+            @ob_end_clean();
+            $results= (object)array(
+                    'output' => $this->views_as_string,
+                    'js_files' => array_values($this->get_js_files()),
+                    'js_lib_files' => array_values($this->get_js_lib_files()),
+                    'js_config_files' => array_values($this->get_js_config_files()),
+                    'css_files' => array_values($this->get_css_files())
+            );
+
+            echo json_encode($results);
+            die;
+        }
+        //else just continue
+    }
+
+    protected function _is_ajax()
+    {
+        return array_key_exists('is_ajax', $_POST) && $_POST['is_ajax'] == 'true' ? true: false;
+    }
+
+    protected function _theme_view($view, $vars = array(), $return = FALSE)
+    {
+        $vars = (is_object($vars)) ? get_object_vars($vars) : $vars;
+
+        $file_exists = FALSE;
+
+        $ext = pathinfo($view, PATHINFO_EXTENSION);
+        $file = ($ext == '') ? $view.'.php' : $view;
+
+        $view_file = $this->theme_path.$this->theme.'/views/';
+
+        if (file_exists($view_file.$file))
+        {
+            $path = $view_file.$file;
+            $file_exists = TRUE;
+        }
+
+        if ( ! $file_exists)
+        {
+            throw new Exception('Unable to load the requested file: '.$file, 16);
+        }
+
+        extract($vars);
+
+        #region buffering...
+        ob_start();
+
+        include($path);
+
+        $buffer = ob_get_contents();
+        @ob_end_clean();
+        #endregion
+
+        if ($return === TRUE)
+        {
+            return $buffer;
+        }
+
+        $this->views_as_string .= $buffer;
+    }
+
+    protected function _inline_js($inline_js = '')
+    {
+        $this->views_as_string .= "<script type=\"text/javascript\">\n{$inline_js}\n</script>\n";
+    }
+
+    protected function _add_js_vars($js_vars = array())
+    {
+        $javascript_as_string = "<script type=\"text/javascript\">\n";
+        foreach ($js_vars as $js_var => $js_value) {
+            $javascript_as_string .= "\tvar $js_var = '$js_value';\n";
+        }
+        $javascript_as_string .= "\n</script>\n";
+        $this->views_as_string .= $javascript_as_string;
+    }
+
+    protected function get_views_as_string()
+    {
+        if(!empty($this->views_as_string))
+            return $this->views_as_string;
+        else
+            return null;
+    }
+}
+
+
+/**
+ * PHP grocery CRUD
+ *
+ * LICENSE
+ *
+ * Grocery CRUD is released with dual licensing, using the GPL v3 (license-gpl3.txt) and the MIT license (license-mit.txt).
+ * You don't have to do anything special to choose one license or the other and you don't have to notify anyone which license you are using.
+ * Please see the corresponding license file for details of these licenses.
+ * You are free to use, modify and distribute this software, but all copyright information must remain.
+ *
+ * @package    	grocery CRUD
+ * @copyright  	Copyright (c) 2010 through 2014, John Skoumbourdis
+ * @license    	https://github.com/scoumbourdis/grocery-crud/blob/master/license-grocery-crud.txt
+ * @author     	John Skoumbourdis <scoumbourdisj@gmail.com>
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * PHP grocery States
+ *
+ * States of grocery CRUD
+ *
+ * @package    	grocery CRUD
+ * @author     	John Skoumbourdis <scoumbourdisj@gmail.com>
+ * @version    	1.5.6
+ */
+class grocery_CRUD_States extends grocery_CRUD_Layout
+{
+    const STATE_UNKNOWN = 0;
+    const STATE_LIST = 1;
+    const STATE_ADD = 2;
+    const STATE_EDIT = 3;
+    const STATE_DELETE = 4;
+    const STATE_INSERT = 5;
+
+    const STATE_READ = 18;
+    const STATE_DELETE_MULTIPLE = '19';
+
+    protected $states = array(
+        0	=> 'unknown',
+        1	=> 'list',
+        2	=> 'add',
+        3	=> 'edit',
+        4	=> 'delete',
+        5	=> 'insert',
+        6	=> 'update',
+        7	=> 'ajax_list',
+        8   => 'ajax_list_info',
+        9	=> 'insert_validation',
+        10	=> 'update_validation',
+        11	=> 'upload_file',
+        12	=> 'delete_file',
+        13	=> 'ajax_relation',
+        14	=> 'ajax_relation_n_n',
+        15	=> 'success',
+        16  => 'export',
+        17  => 'print',
+        18  => 'read',
+        19  => 'delete_multiple'
+    );
+
+    public function getStateInfo()
+    {
+        $state_code = $this->getStateCode();
+        $segment_object = $this->get_state_info_from_url();
+
+        $first_parameter = $segment_object->first_parameter;
+        $second_parameter = $segment_object->second_parameter;
+
+        $state_info = (object)array();
+
+        switch ($state_code) {
+            case self::STATE_LIST:
+            case self::STATE_ADD:
+                //for now... do nothing! Keeping this switch here in case we need any information at the future.
+                break;
+
+            case self::STATE_EDIT:
+            case self::STATE_READ:
+                if ($first_parameter !== null) {
+                    $state_info = (object) array('primary_key' => $first_parameter);
+                } else {
+                    throw new Exception('On the state "edit" the Primary key cannot be null', 6);
+                    die();
+                }
+                break;
+
+            case self::STATE_DELETE:
+                if ($first_parameter !== null) {
+                    $state_info = (object) array('primary_key' => $first_parameter);
+                } else {
+                    throw new Exception('On the state "delete" the Primary key cannot be null',7);
+                    die();
+                }
+                break;
+
+            case self::STATE_DELETE_MULTIPLE:
+                if (!empty($_POST) && !empty($_POST['ids']) && is_array($_POST['ids'])) {
+                    $state_info = (object) array('ids' => $_POST['ids']);
+                } else {
+                    throw new Exception('On the state "Delete Multiple" you need send the ids as a post array.');
+                    die();
+                }
+                break;
+
+            case self::STATE_INSERT:
+                if(!empty($_POST))
+                {
+                    $state_info = (object)array('unwrapped_data' => $_POST);
+                }
+                else
+                {
+                    throw new Exception('On the state "insert" you must have post data',8);
+                    die();
+                }
+                break;
+
+            case 6:
+                if(!empty($_POST) && $first_parameter !== null)
+                {
+                    $state_info = (object)array('primary_key' => $first_parameter,'unwrapped_data' => $_POST);
+                }
+                elseif(empty($_POST))
+                {
+                    throw new Exception('On the state "update" you must have post data',9);
+                    die();
+                }
+                else
+                {
+                    throw new Exception('On the state "update" the Primary key cannot be null',10);
+                    die();
+                }
+                break;
+
+            case 7:
+            case 8:
+            case 16: //export to excel
+            case 17: //print
+                $state_info = (object)array();
+                if(!empty($_POST['per_page']))
+                {
+                    $state_info->per_page = is_numeric($_POST['per_page']) ? $_POST['per_page'] : null;
+                }
+                if(!empty($_POST['page']))
+                {
+                    $state_info->page = is_numeric($_POST['page']) ? $_POST['page'] : null;
+                }
+                //If we request an export or a print we don't care about what page we are
+                if($state_code === 16 || $state_code === 17)
+                {
+                    $state_info->page = 1;
+                    $state_info->per_page = 1000000; //a very big number!
+                }
+                if(!empty($_POST['order_by'][0]))
+                {
+                    $state_info->order_by = $_POST['order_by'];
+                }
+                if(!empty($_POST['search_text']))
+                {
+                    if(empty($_POST['search_field']))
+                    {
+                        $search_text = strip_tags($_POST['search_field']);
+                        $state_info->search = (object)array('field' => null , 'text' => $_POST['search_text']);
+                    }
+                    else
+                    {
+                        if (is_array($_POST['search_field'])) {
+                            $search_array = array();
+                            foreach ($_POST['search_field'] as $search_key => $search_field_name) {
+                                $search_array[$search_field_name] = !empty($_POST['search_text'][$search_key]) ? $_POST['search_text'][$search_key] : '';
+                            }
+                            $state_info->search	= $search_array;
+                        } else {
+                            $state_info->search	= (object)array(
+                                'field' => strip_tags($_POST['search_field']) ,
+                                'text' => $_POST['search_text'] );
+                        }
+                    }
+                }
+                break;
+
+            case 9:
+
+                break;
+
+            case 10:
+                if($first_parameter !== null)
+                {
+                    $state_info = (object)array('primary_key' => $first_parameter);
+                }
+                break;
+
+            case 11:
+                $state_info->field_name = $first_parameter;
+                break;
+
+            case 12:
+                $state_info->field_name = $first_parameter;
+                $state_info->file_name = $second_parameter;
+                break;
+
+            case 13:
+                $state_info->field_name = $_POST['field_name'];
+                $state_info->search 	= $_POST['term'];
+                break;
+
+            case 14:
+                $state_info->field_name = $_POST['field_name'];
+                $state_info->search 	= $_POST['term'];
+                break;
+
+            case 15:
+                $state_info = (object)array(
+                    'primary_key' 		=> $first_parameter,
+                    'success_message'	=> true
+                );
+                break;
+        }
+
+        return $state_info;
+    }
+
+    protected function getStateCode()
+    {
+        $state_string = $this->get_state_info_from_url()->operation;
+
+        if( $state_string != 'unknown' && in_array( $state_string, $this->states ) )
+            $state_code =  array_search($state_string, $this->states);
+        else
+            $state_code = 0;
+
+        return $state_code;
+    }
+
+    protected function state_url($url = '', $is_list_page = false)
+    {
+        //Easy scenario, we had set the crud_url_path
+        if (!empty($this->crud_url_path)) {
+            $state_url = !empty($this->list_url_path) && $is_list_page?
+                            $this->list_url_path :
+                            $this->crud_url_path.'/'.$url ;
+        } else {
+            //Complicated scenario. The crud_url_path is not specified so we are
+            //trying to understand what is going on from the URL.
+            $ci = &get_instance();
+
+            $segment_object = $this->get_state_info_from_url();
+            $method_name = $this->get_method_name();
+            $segment_position = $segment_object->segment_position;
+
+            $state_url_array = array();
+
+            if( sizeof($ci->uri->segments) > 0 ) {
+                foreach($ci->uri->segments as $num => $value)
+                {
+                $state_url_array[$num] = $value;
+                if($num == ($segment_position - 1))
+                    break;
+                }
+
+                if( $method_name == 'index' && !in_array( 'index', $state_url_array ) ) //there is a scenario that you don't have the index to your url
+                $state_url_array[$num+1] = 'index';
+            }
+
+            $state_url =  site_url(implode('/',$state_url_array).'/'.$url);
+        }
+
+        return $state_url;
+    }
+
+    protected function get_state_info_from_url()
+    {
+        $ci = &get_instance();
+
+        $segment_position = count($ci->uri->segments) + 1;
+        $operation = 'list';
+
+        $segements = $ci->uri->segments;
+        foreach($segements as $num => $value)
+        {
+            if($value != 'unknown' && in_array($value, $this->states))
+            {
+                $segment_position = (int)$num;
+                $operation = $value; //I don't have a "break" here because I want to ensure that is the LAST segment with name that is in the array.
+            }
+        }
+
+        $function_name = $this->get_method_name();
+
+        if($function_name == 'index' && !in_array('index',$ci->uri->segments))
+            $segment_position++;
+
+        $first_parameter = isset($segements[$segment_position+1]) ? $segements[$segment_position+1] : null;
+        $second_parameter = isset($segements[$segment_position+2]) ? $segements[$segment_position+2] : null;
+
+        return (object)array('segment_position' => $segment_position, 'operation' => $operation, 'first_parameter' => $first_parameter, 'second_parameter' => $second_parameter);
+    }
+
+    protected function get_method_hash()
+    {
+        $ci = &get_instance();
+
+        $state_info = $this->get_state_info_from_url();
+        $extra_values = $ci->uri->segment($state_info->segment_position - 1) != $this->get_method_name() ? $ci->uri->segment($state_info->segment_position - 1) : '';
+
+        return $this->crud_url_path !== null
+                    ? md5($this->crud_url_path)
+                    : md5($this->get_controller_name().$this->get_method_name().$extra_values);
+    }
+
+    protected function get_method_name()
+    {
+        $ci = &get_instance();
+        return $ci->router->method;
+    }
+
+    protected function get_controller_name()
+    {
+        $ci = &get_instance();
+        return $ci->router->class;
+    }
+
+    public function getState()
+    {
+        return $this->states[$this->getStateCode()];
+    }
+
+    protected function getListUrl()
+    {
+        return $this->state_url('',true);
+    }
+
+    protected function getAjaxListUrl()
+    {
+        return $this->state_url('ajax_list');
+    }
+
+    protected function getExportToExcelUrl()
+    {
+        return $this->state_url('export');
+    }
+
+    protected function getPrintUrl()
+    {
+        return $this->state_url('print');
+    }
+
+    protected function getAjaxListInfoUrl()
+    {
+        return $this->state_url('ajax_list_info');
+    }
+
+    protected function getAddUrl()
+    {
+        return $this->state_url('add');
+    }
+
+    protected function getInsertUrl()
+    {
+        return $this->state_url('insert');
+    }
+
+    protected function getValidationInsertUrl()
+    {
+        return $this->state_url('insert_validation');
+    }
+
+    protected function getValidationUpdateUrl($primary_key = null)
+    {
+        if($primary_key === null)
+            return $this->state_url('update_validation');
+        else
+            return $this->state_url('update_validation/'.$primary_key);
+    }
+
+    protected function getEditUrl($primary_key = null)
+    {
+        if($primary_key === null)
+            return $this->state_url('edit');
+        else
+            return $this->state_url('edit/'.$primary_key);
+    }
+
+    protected function getReadUrl($primary_key = null)
+    {
+        if($primary_key === null)
+            return $this->state_url('read');
+        else
+            return $this->state_url('read/'.$primary_key);
+    }
+
+    protected function getUpdateUrl($state_info)
+    {
+        return $this->state_url('update/'.$state_info->primary_key);
+    }
+
+    protected function getDeleteUrl($state_info = null)
+    {
+        if (empty($state_info)) {
+            return $this->state_url('delete');
+        } else {
+            return $this->state_url('delete/'.$state_info->primary_key);
+        }
+    }
+
+    protected function getDeleteMultipleUrl()
+    {
+        return $this->state_url('delete_multiple');
+    }
+
+    protected function getListSuccessUrl($primary_key = null)
+    {
+        if(empty($primary_key))
+            return $this->state_url('success',true);
+        else
+            return $this->state_url('success/'.$primary_key,true);
+    }
+
+    protected function getUploadUrl($field_name)
+    {
+        return $this->state_url('upload_file/'.$field_name);
+    }
+
+    protected function getFileDeleteUrl($field_name)
+    {
+        return $this->state_url('delete_file/'.$field_name);
+    }
+
+    protected function getAjaxRelationUrl()
+    {
+        return $this->state_url('ajax_relation');
+    }
+
+    protected function getAjaxRelationManytoManyUrl()
+    {
+        return $this->state_url('ajax_relation_n_n');
+    }
+}
+
+
+/**
+ * PHP grocery CRUD
+ *
+ * LICENSE
+ *
+ * Grocery CRUD is released with dual licensing, using the GPL v3 (license-gpl3.txt) and the MIT license (license-mit.txt).
+ * You don't have to do anything special to choose one license or the other and you don't have to notify anyone which license you are using.
+ * Please see the corresponding license file for details of these licenses.
+ * You are free to use, modify and distribute this software, but all copyright information must remain.
+ *
+ * @package    	grocery CRUD
+ * @copyright  	Copyright (c) 2010 through 2014, John Skoumbourdis
+ * @license    	https://github.com/scoumbourdis/grocery-crud/blob/master/license-grocery-crud.txt
+ * @version    	1.5.6
+ * @author     	John Skoumbourdis <scoumbourdisj@gmail.com>
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * PHP grocery CRUD
+ *
+ * Creates a full functional CRUD with few lines of code.
+ *
+ * @package    	grocery CRUD
+ * @author     	John Skoumbourdis <scoumbourdisj@gmail.com>
+ * @license     https://github.com/scoumbourdis/grocery-crud/blob/master/license-grocery-crud.txt
+ * @link		http://www.grocerycrud.com/documentation
+ */
+class Grocery_CRUD extends grocery_CRUD_States
+{
+    /**
+     * Grocery CRUD version
+     *
+     * @var	string
+     */
+    const	VERSION = "1.5.6";
+
+    const	JQUERY 			= "jquery-1.11.1.min.js";
+    const	JQUERY_UI_JS 	= "jquery-ui-1.10.3.custom.min.js";
+    const	JQUERY_UI_CSS 	= "jquery-ui-1.10.1.custom.min.css";
+
+    protected $state_code 			= null;
+    protected $state_info 			= null;
+    protected $columns				= null;
+
+    private $basic_db_table_checked = false;
+    private $columns_checked		= false;
+    private $add_fields_checked		= false;
+    private $edit_fields_checked	= false;
+    private $read_fields_checked	= false;
+
+    protected $default_theme		= 'flexigrid';
+    protected $language				= null;
+    protected $lang_strings			= array();
+    protected $php_date_format		= null;
+    protected $js_date_format		= null;
+    protected $ui_date_format		= null;
+    protected $character_limiter    = null;
+    protected $config    			= null;
+
+    protected $add_fields			= null;
+    protected $edit_fields			= null;
+    protected $read_fields			= null;
+    protected $add_hidden_fields 	= array();
+    protected $edit_hidden_fields 	= array();
+    protected $field_types 			= null;
+    protected $basic_db_table 		= null;
+    protected $theme_config 		= array();
+    protected $subject 				= null;
+    protected $subject_plural 		= null;
+    protected $display_as 			= array();
+    protected $order_by 			= null;
+    protected $where 				= array();
+    protected $like 				= array();
+    protected $having 				= array();
+    protected $or_having 			= array();
+    protected $limit 				= null;
+    protected $required_fields		= array();
+    protected $_unique_fields 			= array();
+    protected $validation_rules		= array();
+    protected $relation				= array();
+    protected $relation_n_n			= array();
+    protected $upload_fields		= array();
+    protected $actions				= array();
+
+    protected $form_validation		= null;
+    protected $change_field_type	= null;
+    protected $primary_keys			= array();
+    protected $crud_url_path		= null;
+    protected $list_url_path		= null;
+
+    /* The unsetters */
+    protected $unset_texteditor		= array();
+    protected $unset_add			= false;
+    protected $unset_edit			= false;
+    protected $unset_delete			= false;
+    protected $unset_read			= false;
+    protected $unset_jquery			= false;
+    protected $unset_jquery_ui		= false;
+    protected $unset_bootstrap 		= false;
+    protected $unset_list			= false;
+    protected $unset_export			= false;
+    protected $unset_print			= false;
+    protected $unset_back_to_list	= false;
+    protected $unset_columns		= null;
+    protected $unset_add_fields 	= null;
+    protected $unset_edit_fields	= null;
+    protected $unset_read_fields	= null;
+
+    /* Callbacks */
+    protected $callback_before_insert 	= null;
+    protected $callback_after_insert 	= null;
+    protected $callback_insert 			= null;
+    protected $callback_before_update 	= null;
+    protected $callback_after_update 	= null;
+    protected $callback_update 			= null;
+    protected $callback_before_delete 	= null;
+    protected $callback_after_delete 	= null;
+    protected $callback_delete 			= null;
+    protected $callback_column			= array();
+    protected $callback_add_field		= array();
+    protected $callback_edit_field		= array();
+    protected $callback_upload			= null;
+    protected $callback_before_upload	= null;
+    protected $callback_after_upload	= null;
+
+    protected $default_javascript_path	= null; //autogenerate, please do not modify
+    protected $default_css_path			= null; //autogenerate, please do not modify
+    protected $default_texteditor_path 	= null; //autogenerate, please do not modify
+    protected $default_theme_path		= null; //autogenerate, please do not modify
+    protected $default_language_path	= 'assets/grocery_crud/languages';
+    protected $default_config_path		= 'assets/grocery_crud/config';
+    protected $default_assets_path		= 'assets/grocery_crud';
+
+    /**
+     *
+     * Constructor
+     *
+     * @access	public
+     */
+    public function __construct()
+    {
+
+    }
+
+    /**
+     * The displayed columns that user see
+     *
+     * @access	public
+     * @param	string
+     * @param	array
+     * @return	void
+     */
+    public function columns()
+    {
+        $args = func_get_args();
+
+        if(isset($args[0]) && is_array($args[0]))
+        {
+            $args = $args[0];
+        }
+
+        $this->columns = $args;
+
+        return $this;
+    }
+
+
+    /**
+     * Set Validation Rules
+     *
+     * Important note: If the $field is an array then no automated crud fields will take apart
+     *
+     * @access	public
+     * @param	mixed
+     * @param	string
+     * @return	void
+     */
+    function set_rules($field, $label = '', $rules = '')
+    {
+        if(is_string($field))
+        {
+            $this->validation_rules[$field] = array('field' => $field, 'label' => $label, 'rules' => $rules);
+        }elseif(is_array($field))
+        {
+            foreach($field as $num_field => $field_array)
+            {
+                $this->validation_rules[$field_array['field']] = $field_array;
+            }
+        }
+        return $this;
+    }
+
+    /**
+     *
+     * Changes the default field type
+     * @param string $field
+     * @param string $type
+     * @param array|string $extras
+     */
+    public function change_field_type($field , $type, $extras = null)
+    {
+        $field_type = (object)array('type' => $type);
+
+        $field_type->extras = $extras;
+
+        $this->change_field_type[$field] = $field_type;
+
+        return $this;
+    }
+
+    /**
+     *
+     * Just an alias to the change_field_type method
+     * @param string $field
+     * @param string $type
+     * @param array|string $extras
+     */
+    public function field_type($field , $type, $extras = null)
+    {
+        return $this->change_field_type($field , $type, $extras);
+    }
+
+    /**
+     * Change the default primary key for a specific table.
+     * If the $table_name is NULL then the primary key is for the default table name that we added at the set_table method
+     *
+     * @param string $primary_key_field
+     * @param string $table_name
+     */
+    public function set_primary_key($primary_key_field, $table_name = null)
+    {
+        $this->primary_keys[] = array('field_name' => $primary_key_field, 'table_name' => $table_name);
+
+        return $this;
+    }
+
+    /**
+     * Unsets the texteditor of the selected fields
+     *
+     * @access	public
+     * @param	string
+     * @param	array
+     * @return	void
+     */
+    public function unset_texteditor()
+    {
+        $args = func_get_args();
+
+        if(isset($args[0]) && is_array($args[0]))
+        {
+            $args = $args[0];
+        }
+        foreach($args as $arg)
+        {
+            $this->unset_texteditor[] = $arg;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Unsets just the jquery library from the js. This function can be used if there is already a jquery included
+     * in the main template. This will avoid all jquery conflicts.
+     *
+     * @return	void
+     */
+    public function unset_jquery()
+    {
+        $this->unset_jquery = true;
+
+        return $this;
+    }
+
+    /**
+     * Unsets the jquery UI Javascript and CSS. This function is really useful
+     * when the jquery UI JavaScript and CSS are already included in the main template.
+     * This will avoid all jquery UI conflicts.
+     *
+     * @return	void
+     */
+    public function unset_jquery_ui()
+    {
+        $this->unset_jquery_ui = true;
+
+        return $this;
+    }
+
+    /**
+     * Unsets just the twitter bootstrap libraries from the js and css. This function can be used if there is already twitter bootstrap files included
+     * in the main template. If you are already using a bootstrap template then it's not necessary to load the files again.
+     *
+     * @return	void
+     */
+    public function unset_bootstrap()
+    {
+        $this->unset_bootstrap = true;
+
+        return $this;
+    }
+
+    /**
+     * Unsets the add operation from the list
+     *
+     * @return	void
+     */
+    public function unset_add()
+    {
+        $this->unset_add = true;
+
+        return $this;
+    }
+
+    /**
+     * Unsets the edit operation from the list
+     *
+     * @return	void
+     */
+    public function unset_edit()
+    {
+        $this->unset_edit = true;
+
+        return $this;
+    }
+
+    /**
+     * Unsets the delete operation from the list
+     *
+     * @return	void
+     */
+    public function unset_delete()
+    {
+        $this->unset_delete = true;
+
+        return $this;
+    }
+
+    /**
+     * Unsets the read operation from the list
+     *
+     * @return	void
+     */
+    public function unset_read()
+    {
+        $this->unset_read = true;
+
+        return $this;
+    }
+
+    /**
+     * Just an alias to unset_read
+     *
+     * @return	void
+     * */
+    public function unset_view()
+    {
+        return unset_read();
+    }
+
+    /**
+     * Unsets the export button and functionality from the list
+     *
+     * @return	void
+     */
+    public function unset_export()
+    {
+        $this->unset_export = true;
+
+        return $this;
+    }
+
+
+    /**
+     * Unsets the print button and functionality from the list
+     *
+     * @return	void
+     */
+    public function unset_print()
+    {
+        $this->unset_print = true;
+
+        return $this;
+    }
+
+    /**
+     * Unsets all the operations from the list
+     *
+     * @return	void
+     */
+    public function unset_operations()
+    {
+        $this->unset_add 	= true;
+        $this->unset_edit 	= true;
+        $this->unset_delete = true;
+        $this->unset_read	= true;
+        $this->unset_export = true;
+        $this->unset_print  = true;
+
+        return $this;
+    }
+
+    /**
+     * Unsets a column from the list
+     *
+     * @return	void.
+     */
+    public function unset_columns()
+    {
+        $args = func_get_args();
+
+        if(isset($args[0]) && is_array($args[0]))
+        {
+            $args = $args[0];
+        }
+
+        $this->unset_columns = $args;
+
+        return $this;
+    }
+
+    public function unset_list()
+    {
+        $this->unset_list = true;
+
+        return $this;
+    }
+
+    public function unset_fields()
+    {
+        $args = func_get_args();
+
+        if(isset($args[0]) && is_array($args[0]))
+        {
+            $args = $args[0];
+        }
+
+        $this->unset_add_fields = $args;
+        $this->unset_edit_fields = $args;
+        $this->unset_read_fields = $args;
+
+        return $this;
+    }
+
+    public function unset_add_fields()
+    {
+        $args = func_get_args();
+
+        if(isset($args[0]) && is_array($args[0]))
+        {
+            $args = $args[0];
+        }
+
+        $this->unset_add_fields = $args;
+
+        return $this;
+    }
+
+    public function unset_edit_fields()
+    {
+        $args = func_get_args();
+
+        if(isset($args[0]) && is_array($args[0]))
+        {
+            $args = $args[0];
+        }
+
+        $this->unset_edit_fields = $args;
+
+        return $this;
+    }
+
+    public function unset_read_fields()
+    {
+        $args = func_get_args();
+
+        if(isset($args[0]) && is_array($args[0]))
+        {
+            $args = $args[0];
+        }
+
+        $this->unset_read_fields = $args;
+
+        return $this;
+    }
+
+
+    /**
+     * Unsets everything that has to do with buttons or links with go back to list message
+     * @access	public
+     * @return	void
+     */
+    public function unset_back_to_list()
+    {
+        $this->unset_back_to_list = true;
+
+        return $this;
+    }
+
+    /**
+     *
+     * The fields that user will see on add/edit
+     *
+     * @access	public
+     * @param	string
+     * @param	array
+     * @return	void
+     */
+    public function fields()
+    {
+        $args = func_get_args();
+
+        if(isset($args[0]) && is_array($args[0]))
+        {
+            $args = $args[0];
+        }
+
+        $this->add_fields = $args;
+        $this->edit_fields = $args;
+
+        return $this;
+    }
+
+    /**
+     *
+     * The fields that user can see . It is only for the add form
+     */
+    public function add_fields()
+    {
+        $args = func_get_args();
+
+        if(isset($args[0]) && is_array($args[0]))
+        {
+            $args = $args[0];
+        }
+
+        $this->add_fields = $args;
+
+        return $this;
+    }
+
+    /**
+     *
+     *  The fields that user can see . It is only for the edit form
+     */
+    public function edit_fields()
+    {
+        $args = func_get_args();
+
+        if(isset($args[0]) && is_array($args[0]))
+        {
+            $args = $args[0];
+        }
+
+        $this->edit_fields = $args;
+
+        return $this;
+    }
+
+    public function set_read_fields()
+    {
+        $args = func_get_args();
+
+        if(isset($args[0]) && is_array($args[0])) {
+            $args = $args[0];
+        }
+
+        $this->read_fields = $args;
+
+        return $this;
+    }
+
+    /**
+     *
+     * Changes the displaying label of the field
+     * @param $field_name
+     * @param $display_as
+     * @return void
+     */
+    public function display_as($field_name, $display_as = null)
+    {
+        if(is_array($field_name))
+        {
+            foreach($field_name as $field => $display_as)
+            {
+                $this->display_as[$field] = $display_as;
+            }
+        }
+        elseif($display_as !== null)
+        {
+            $this->display_as[$field_name] = $display_as;
+        }
+        return $this;
+    }
+
+    /**
+     *
+     * Load the language strings array from the language file
+     */
+    protected function _load_language()
+    {
+        if($this->language === null)
+        {
+            $this->language = strtolower($this->config->default_language);
+        }
+        include($this->default_language_path.'/'.$this->language.'.php');
+
+        foreach($lang as $handle => $lang_string)
+            if(!isset($this->lang_strings[$handle]))
+                $this->lang_strings[$handle] = $lang_string;
+
+        $this->default_true_false_text = array( $this->l('form_inactive') , $this->l('form_active'));
+        $this->subject = $this->subject === null ? $this->l('list_record') : $this->subject;
+
+    }
+
+    protected function _load_date_format()
+    {
+        list($php_day, $php_month, $php_year) = array('d','m','Y');
+        list($js_day, $js_month, $js_year) = array('dd','mm','yy');
+        list($ui_day, $ui_month, $ui_year) = array($this->l('ui_day'), $this->l('ui_month'), $this->l('ui_year'));
+
+        $date_format = $this->config->date_format;
+        switch ($date_format) {
+            case 'uk-date':
+                $this->php_date_format 		= "$php_day/$php_month/$php_year";
+                $this->js_date_format		= "$js_day/$js_month/$js_year";
+                $this->ui_date_format		= "$ui_day/$ui_month/$ui_year";
+            break;
+
+            case 'us-date':
+                $this->php_date_format 		= "$php_month/$php_day/$php_year";
+                $this->js_date_format		= "$js_month/$js_day/$js_year";
+                $this->ui_date_format		= "$ui_month/$ui_day/$ui_year";
+            break;
+
+            case 'sql-date':
+            default:
+                $this->php_date_format 		= "$php_year-$php_month-$php_day";
+                $this->js_date_format		= "$js_year-$js_month-$js_day";
+                $this->ui_date_format		= "$ui_year-$ui_month-$ui_day";
+            break;
+        }
+    }
+
+    /**
+     *
+     * Set a language string directly
+     * @param string $handle
+     * @param string $string
+     */
+    public function set_lang_string($handle, $lang_string){
+        $this->lang_strings[$handle] = $lang_string;
+
+        return $this;
+    }
+
+    /**
+     *
+     * Just an alias to get_lang_string method
+     * @param string $handle
+     */
+    public function l($handle)
+    {
+        return $this->get_lang_string($handle);
+    }
+
+    /**
+     *
+     * Get the language string of the inserted string handle
+     * @param string $handle
+     */
+    public function get_lang_string($handle)
+    {
+        return $this->lang_strings[$handle];
+    }
+
+    /**
+     *
+     * Simply set the language
+     * @example english
+     * @param string $language
+     */
+    public function set_language($language)
+    {
+        $this->language = $language;
+
+        return $this;
+    }
+
+    /**
+     *
+     * Enter description here ...
+     */
+    protected function get_columns()
+    {
+        if($this->columns_checked === false)
+        {
+            $field_types = $this->get_field_types();
+            if(empty($this->columns))
+            {
+                $this->columns = array();
+                foreach($field_types as $field)
+                {
+                    if( !isset($field->db_extra) || $field->db_extra != 'auto_increment' )
+                        $this->columns[] = $field->name;
+                }
+            }
+
+            foreach($this->columns as $col_num => $column)
+            {
+
+                if(isset($this->relation[$column]))
+                {
+
+                    $new_column = $this->_unique_field_name($this->relation[$column][0]);
+                    $this->columns[$col_num] = $new_column;
+
+                    if(isset($this->display_as[$column]))
                     {
-                        if (is_array($_POST['search_field'])) {
-                            $search_array = array();
-                            foreach ($_POST['search_field'] as $search_key => $search_field_name) {
-                                $search_array[$search_field_name] = !empty($_POST['search_text'][$search_key]) ? $_POST['search_text'][$search_key] : '';
+                        $display_as = $this->display_as[$column];
+                        unset($this->display_as[$column]);
+                        $this->display_as[$new_column] = $display_as;
+                    }
+                    else
+                    {
+                        $this->display_as[$new_column] = ucfirst(str_replace('_',' ',$column));
+                    }
+
+                    $column = $new_column;
+                    $this->columns[$col_num] = $new_column;
+                }
+                else
+                {
+                    if(!empty($this->relation))
+                    {
+                        $table_name  = $this->get_table();
+                        foreach($this->relation as $relation)
+                        {
+                            if( $relation[2] == $column )
+                            {
+                                $new_column = $table_name.'.'.$column;
+                                if(isset($this->display_as[$column]))
+                                {
+                                    $display_as = $this->display_as[$column];
+                                    unset($this->display_as[$column]);
+                                    $this->display_as[$new_column] = $display_as;
+                                }
+                                else
+                                {
+                                    $this->display_as[$new_column] = ucfirst(str_replace('_',' ',$column));
+                                }
+
+                                $column = $new_column;
+                                $this->columns[$col_num] = $new_column;
                             }
-                            $state_info->search	= $search_array;
-                        } else {
-                            $state_info->search	= (object)array(
-                                'field' => strip_tags($_POST['search_field']) ,
-                                'text' => $_POST['search_text'] );
                         }
                     }
+
                 }
-                break;
 
-            case 9:
+                if(isset($this->display_as[$column]))
+                    $this->columns[$col_num] = (object)array('field_name' => $column, 'display_as' => $this->display_as[$column]);
+                elseif(isset($field_types[$column]))
+                    $this->columns[$col_num] = (object)array('field_name' => $column, 'display_as' => $field_types[$column]->display_as);
+                else
+                    $this->columns[$col_num] = (object)array('field_name' => $column, 'display_as' =>
+                        ucfirst(str_replace('_',' ',$column)));
 
-                break;
+                if(!empty($this->unset_columns) && in_array($column,$this->unset_columns))
+                {
+                    unset($this->columns[$col_num]);
+                }
+            }
 
-            case 10:
-                if($first_parameter !== null)
+            $this->columns_checked = true;
+
+        }
+
+        return $this->columns;
+    }
+
+    /**
+     *
+     * Enter description here ...
+     */
+    protected function get_add_fields()
+    {
+        if($this->add_fields_checked === false)
+        {
+            $field_types = $this->get_field_types();
+            if(!empty($this->add_fields))
+            {
+                foreach($this->add_fields as $field_num => $field)
                 {
-                    $state_info = (object)array('primary_key' => $first_parameter);
+                    if(isset($this->display_as[$field]))
+                        $this->add_fields[$field_num] = (object)array('field_name' => $field, 'display_as' => $this->display_as[$field]);
+                    elseif(isset($field_types[$field]->display_as))
+                        $this->add_fields[$field_num] = (object)array('field_name' => $field, 'display_as' => $field_types[$field]->display_as);
+                    else
+                        $this->add_fields[$field_num] = (object)array('field_name' => $field, 'display_as' => ucfirst(str_replace('_',' ',$field)));
                 }
-                break;
+            }
+            else
+            {
+                $this->add_fields = array();
+                foreach($field_types as $field)
+                {
+                    //Check if an unset_add_field is initialize for this field name
+                    if($this->unset_add_fields !== null && is_array($this->unset_add_fields) && in_array($field->name,$this->unset_add_fields))
+                        continue;
 
-            case 11:
-                $state_info->field_name = $first_parameter;
-                break;
+                    if( (!isset($field->db_extra) || $field->db_extra != 'auto_increment') )
+                    {
+                        if(isset($this->display_as[$field->name]))
+                            $this->add_fields[] = (object)array('field_name' => $field->name, 'display_as' => $this->display_as[$field->name]);
+                        else
+                            $this->add_fields[] = (object)array('field_name' => $field->name, 'display_as' => $field->display_as);
+                    }
+                }
+            }
 
-            case 12:
-                $state_info->field_name = $first_parameter;
-                $state_info->file_name = $second_parameter;
-                break;
+            $this->add_fields_checked = true;
+        }
+        return $this->add_fields;
+    }
 
-            case 13:
-                $state_info->field_name = $_POST['field_name'];
-                $state_info->search 	= $_POST['term'];
-                break;
+    /**
+     *
+     * Enter description here ...
+     */
+    protected function get_edit_fields()
+    {
+        if($this->edit_fields_checked === false)
+        {
+            $field_types = $this->get_field_types();
+            if(!empty($this->edit_fields))
+            {
+                foreach($this->edit_fields as $field_num => $field)
+                {
+                    if(isset($this->display_as[$field]))
+                        $this->edit_fields[$field_num] = (object)array('field_name' => $field, 'display_as' => $this->display_as[$field]);
+                    else
+                        $this->edit_fields[$field_num] = (object)array('field_name' => $field, 'display_as' => $field_types[$field]->display_as);
+                }
+            }
+            else
+            {
+                $this->edit_fields = array();
+                foreach($field_types as $field)
+                {
+                    //Check if an unset_edit_field is initialize for this field name
+                    if($this->unset_edit_fields !== null && is_array($this->unset_edit_fields) && in_array($field->name,$this->unset_edit_fields))
+                        continue;
 
-            case 14:
-                $state_info->field_name = $_POST['field_name'];
-                $state_info->search 	= $_POST['term'];
-                break;
+                    if(!isset($field->db_extra) || $field->db_extra != 'auto_increment')
+                    {
+                        if(isset($this->display_as[$field->name]))
+                            $this->edit_fields[] = (object)array('field_name' => $field->name, 'display_as' => $this->display_as[$field->name]);
+                        else
+                            $this->edit_fields[] = (object)array('field_name' => $field->name, 'display_as' => $field->display_as);
+                    }
+                }
+            }
 
-            case 15:
-                $state_info = (object)array(
-                    'primary_key' 		=> $first_parameter,
-                    'success_message'	=> true
-                );
-                break;
+            $this->edit_fields_checked = true;
         }
+        return $this->edit_fields;
+    }
 
-        return $state_info;
+    /**
+     *
+     * Enter description here ...
+     */
+    protected function get_read_fields()
+    {
+        if($this->read_fields_checked === false)
+        {
+            $field_types = $this->get_field_types();
+            if(!empty($this->read_fields))
+            {
+                foreach($this->read_fields as $field_num => $field)
+                {
+                    if(isset($this->display_as[$field]))
+                        $this->read_fields[$field_num] = (object)array('field_name' => $field, 'display_as' => $this->display_as[$field]);
+                    else
+                        $this->read_fields[$field_num] = (object)array('field_name' => $field, 'display_as' => $field_types[$field]->display_as);
+                }
+            }
+            else
+            {
+                $this->read_fields = array();
+                foreach($field_types as $field)
+                {
+                    //Check if an unset_read_field is initialize for this field name
+                    if($this->unset_read_fields !== null && is_array($this->unset_read_fields) && in_array($field->name,$this->unset_read_fields))
+                        continue;
+
+                    if(!isset($field->db_extra) || $field->db_extra != 'auto_increment')
+                    {
+                        if(isset($this->display_as[$field->name]))
+                            $this->read_fields[] = (object)array('field_name' => $field->name, 'display_as' => $this->display_as[$field->name]);
+                        else
+                            $this->read_fields[] = (object)array('field_name' => $field->name, 'display_as' => $field->display_as);
+                    }
+                }
+            }
+
+            $this->read_fields_checked = true;
+        }
+        return $this->read_fields;
     }
 
-	protected function getStateCode()
-	{
-		$state_string = $this->get_state_info_from_url()->operation;
-
-		if( $state_string != 'unknown' && in_array( $state_string, $this->states ) )
-			$state_code =  array_search($state_string, $this->states);
-		else
-			$state_code = 0;
-
-		return $state_code;
-	}
-
-	protected function state_url($url = '', $is_list_page = false)
-	{
-		//Easy scenario, we had set the crud_url_path
-		if (!empty($this->crud_url_path)) {
-			$state_url = !empty($this->list_url_path) && $is_list_page?
-							$this->list_url_path :
-							$this->crud_url_path.'/'.$url ;
-		} else {
-			//Complicated scenario. The crud_url_path is not specified so we are
-			//trying to understand what is going on from the URL.
-			$ci = &get_instance();
-
-			$segment_object = $this->get_state_info_from_url();
-			$method_name = $this->get_method_name();
-			$segment_position = $segment_object->segment_position;
-
-			$state_url_array = array();
-
-		    if( sizeof($ci->uri->segments) > 0 ) {
-		      foreach($ci->uri->segments as $num => $value)
-		      {
-		        $state_url_array[$num] = $value;
-		        if($num == ($segment_position - 1))
-		          break;
-		      }
-
-		      if( $method_name == 'index' && !in_array( 'index', $state_url_array ) ) //there is a scenario that you don't have the index to your url
-		        $state_url_array[$num+1] = 'index';
-		    }
-
-			$state_url =  site_url(implode('/',$state_url_array).'/'.$url);
-		}
-
-		return $state_url;
-	}
-
-	protected function get_state_info_from_url()
-	{
-		$ci = &get_instance();
-
-		$segment_position = count($ci->uri->segments) + 1;
-		$operation = 'list';
-
-		$segements = $ci->uri->segments;
-		foreach($segements as $num => $value)
-		{
-			if($value != 'unknown' && in_array($value, $this->states))
-			{
-				$segment_position = (int)$num;
-				$operation = $value; //I don't have a "break" here because I want to ensure that is the LAST segment with name that is in the array.
-			}
-		}
-
-		$function_name = $this->get_method_name();
-
-		if($function_name == 'index' && !in_array('index',$ci->uri->segments))
-			$segment_position++;
-
-		$first_parameter = isset($segements[$segment_position+1]) ? $segements[$segment_position+1] : null;
-		$second_parameter = isset($segements[$segment_position+2]) ? $segements[$segment_position+2] : null;
-
-		return (object)array('segment_position' => $segment_position, 'operation' => $operation, 'first_parameter' => $first_parameter, 'second_parameter' => $second_parameter);
-	}
-
-	protected function get_method_hash()
-	{
-		$ci = &get_instance();
-
-		$state_info = $this->get_state_info_from_url();
-		$extra_values = $ci->uri->segment($state_info->segment_position - 1) != $this->get_method_name() ? $ci->uri->segment($state_info->segment_position - 1) : '';
-
-		return $this->crud_url_path !== null
-					? md5($this->crud_url_path)
-					: md5($this->get_controller_name().$this->get_method_name().$extra_values);
-	}
-
-	protected function get_method_name()
-	{
-		$ci = &get_instance();
-		return $ci->router->method;
-	}
-
-	protected function get_controller_name()
-	{
-		$ci = &get_instance();
-		return $ci->router->class;
-	}
-
-	public function getState()
-	{
-		return $this->states[$this->getStateCode()];
-	}
-
-	protected function getListUrl()
-	{
-		return $this->state_url('',true);
-	}
-
-	protected function getAjaxListUrl()
-	{
-		return $this->state_url('ajax_list');
-	}
-
-	protected function getExportToExcelUrl()
-	{
-		return $this->state_url('export');
-	}
-
-	protected function getPrintUrl()
-	{
-		return $this->state_url('print');
-	}
-
-	protected function getAjaxListInfoUrl()
-	{
-		return $this->state_url('ajax_list_info');
-	}
-
-	protected function getAddUrl()
-	{
-		return $this->state_url('add');
-	}
-
-	protected function getInsertUrl()
-	{
-		return $this->state_url('insert');
-	}
-
-	protected function getValidationInsertUrl()
-	{
-		return $this->state_url('insert_validation');
-	}
-
-	protected function getValidationUpdateUrl($primary_key = null)
-	{
-		if($primary_key === null)
-			return $this->state_url('update_validation');
-		else
-			return $this->state_url('update_validation/'.$primary_key);
-	}
-
-	protected function getEditUrl($primary_key = null)
-	{
-		if($primary_key === null)
-			return $this->state_url('edit');
-		else
-			return $this->state_url('edit/'.$primary_key);
-	}
-
-	protected function getReadUrl($primary_key = null)
-	{
-		if($primary_key === null)
-			return $this->state_url('read');
-		else
-			return $this->state_url('read/'.$primary_key);
-	}
-
-	protected function getUpdateUrl($state_info)
-	{
-		return $this->state_url('update/'.$state_info->primary_key);
-	}
-
-	protected function getDeleteUrl($state_info = null)
-	{
-		if (empty($state_info)) {
-            return $this->state_url('delete');
-        } else {
-			return $this->state_url('delete/'.$state_info->primary_key);
+    public function order_by($order_by, $direction = 'asc')
+    {
+        $this->order_by = array($order_by,$direction);
+
+        return $this;
+    }
+
+    public function where($key, $value = NULL, $escape = TRUE)
+    {
+        $this->where[] = array($key,$value,$escape);
+
+        return $this;
+    }
+
+    public function or_where($key, $value = NULL, $escape = TRUE)
+    {
+        $this->or_where[] = array($key,$value,$escape);
+
+        return $this;
+    }
+
+    public function like($field, $match = '', $side = 'both')
+    {
+        $this->like[] = array($field, $match, $side);
+
+        return $this;
+    }
+
+    protected function having($key, $value = '', $escape = TRUE)
+    {
+        $this->having[] = array($key, $value, $escape);
+
+        return $this;
+    }
+
+    protected function or_having($key, $value = '', $escape = TRUE)
+    {
+        $this->or_having[] = array($key, $value, $escape);
+
+        return $this;
+    }
+
+    public function or_like($field, $match = '', $side = 'both')
+    {
+        $this->or_like[] = array($field, $match, $side);
+
+        return $this;
+    }
+
+    public function limit($limit, $offset = '')
+    {
+        $this->limit = array($limit,$offset);
+
+        return $this;
+    }
+
+    protected function _initialize_helpers()
+    {
+        $ci = &get_instance();
+
+        $ci->load->helper('url');
+        $ci->load->helper('form');
+    }
+
+    protected function _initialize_variables()
+    {
+        $ci = &get_instance();
+        $ci->load->config('grocery_crud');
+
+        $this->config = (object)array();
+
+        /** Initialize all the config variables into this object */
+        $this->config->default_language 	= $ci->config->item('grocery_crud_default_language');
+        $this->config->date_format 			= $ci->config->item('grocery_crud_date_format');
+        $this->config->default_per_page		= $ci->config->item('grocery_crud_default_per_page');
+        $this->config->file_upload_allow_file_types	= $ci->config->item('grocery_crud_file_upload_allow_file_types');
+        $this->config->file_upload_max_file_size	= $ci->config->item('grocery_crud_file_upload_max_file_size');
+        $this->config->default_text_editor	= $ci->config->item('grocery_crud_default_text_editor');
+        $this->config->text_editor_type		= $ci->config->item('grocery_crud_text_editor_type');
+        $this->config->character_limiter	= $ci->config->item('grocery_crud_character_limiter');
+        $this->config->dialog_forms			= $ci->config->item('grocery_crud_dialog_forms');
+        $this->config->paging_options		= $ci->config->item('grocery_crud_paging_options');
+        $this->config->default_theme        = $ci->config->item('grocery_crud_default_theme');
+        $this->config->environment          = $ci->config->item('grocery_crud_environment');
+
+        /** Initialize default paths */
+        $this->default_javascript_path				= $this->default_assets_path.'/js';
+        $this->default_css_path						= $this->default_assets_path.'/css';
+        $this->default_texteditor_path 				= $this->default_assets_path.'/texteditor';
+        $this->default_theme_path					= $this->default_assets_path.'/themes';
+
+        $this->character_limiter = $this->config->character_limiter;
+
+        if ($this->character_limiter === 0 || $this->character_limiter === '0') {
+            $this->character_limiter = 1000000; //a very big number
+        } elseif($this->character_limiter === null || $this->character_limiter === false) {
+            $this->character_limiter = 30; //is better to have the number 30 rather than the 0 value
+        }
+
+        if ($this->theme === null && !empty($this->config->default_theme)) {
+            $this->set_theme($this->config->default_theme);
         }
-	}
+    }
 
-    protected function getDeleteMultipleUrl()
+    protected function _set_primary_keys_to_model()
     {
-        return $this->state_url('delete_multiple');
+        if(!empty($this->primary_keys))
+        {
+            foreach($this->primary_keys as $primary_key)
+            {
+                $this->basic_model->set_primary_key($primary_key['field_name'],$primary_key['table_name']);
+            }
+        }
     }
 
-	protected function getListSuccessUrl($primary_key = null)
-	{
-		if(empty($primary_key))
-			return $this->state_url('success',true);
-		else
-			return $this->state_url('success/'.$primary_key,true);
-	}
-
-	protected function getUploadUrl($field_name)
-	{
-		return $this->state_url('upload_file/'.$field_name);
-	}
-
-	protected function getFileDeleteUrl($field_name)
-	{
-		return $this->state_url('delete_file/'.$field_name);
-	}
-
-	protected function getAjaxRelationUrl()
-	{
-		return $this->state_url('ajax_relation');
-	}
-
-	protected function getAjaxRelationManytoManyUrl()
-	{
-		return $this->state_url('ajax_relation_n_n');
-	}
-}
-
+    /**
+     * Initialize all the required libraries and variables before rendering
+     */
+    protected function pre_render()
+    {
+        $this->_initialize_variables();
+        $this->_initialize_helpers();
+        $this->_load_language();
+        $this->state_code = $this->getStateCode();
 
-/**
- * PHP grocery CRUD
- *
- * LICENSE
- *
- * Grocery CRUD is released with dual licensing, using the GPL v3 (license-gpl3.txt) and the MIT license (license-mit.txt).
- * You don't have to do anything special to choose one license or the other and you don't have to notify anyone which license you are using.
- * Please see the corresponding license file for details of these licenses.
- * You are free to use, modify and distribute this software, but all copyright information must remain.
- *
- * @package    	grocery CRUD
- * @copyright  	Copyright (c) 2010 through 2014, John Skoumbourdis
- * @license    	https://github.com/scoumbourdis/grocery-crud/blob/master/license-grocery-crud.txt
- * @version    	1.5.6
- * @author     	John Skoumbourdis <scoumbourdisj@gmail.com>
- */
+        if($this->basic_model === null)
+            $this->set_default_Model();
 
-// ------------------------------------------------------------------------
+        $this->set_basic_db_table($this->get_table());
 
-/**
- * PHP grocery CRUD
- *
- * Creates a full functional CRUD with few lines of code.
- *
- * @package    	grocery CRUD
- * @author     	John Skoumbourdis <scoumbourdisj@gmail.com>
- * @license     https://github.com/scoumbourdis/grocery-crud/blob/master/license-grocery-crud.txt
- * @link		http://www.grocerycrud.com/documentation
- */
-class Grocery_CRUD extends grocery_CRUD_States
-{
-	/**
-	 * Grocery CRUD version
-	 *
-	 * @var	string
-	 */
-	const	VERSION = "1.5.6";
-
-	const	JQUERY 			= "jquery-1.11.1.min.js";
-	const	JQUERY_UI_JS 	= "jquery-ui-1.10.3.custom.min.js";
-	const	JQUERY_UI_CSS 	= "jquery-ui-1.10.1.custom.min.css";
-
-	protected $state_code 			= null;
-	protected $state_info 			= null;
-	protected $columns				= null;
-
-	private $basic_db_table_checked = false;
-	private $columns_checked		= false;
-	private $add_fields_checked		= false;
-	private $edit_fields_checked	= false;
-	private $read_fields_checked	= false;
-
-	protected $default_theme		= 'flexigrid';
-	protected $language				= null;
-	protected $lang_strings			= array();
-	protected $php_date_format		= null;
-	protected $js_date_format		= null;
-	protected $ui_date_format		= null;
-	protected $character_limiter    = null;
-	protected $config    			= null;
-
-	protected $add_fields			= null;
-	protected $edit_fields			= null;
-	protected $read_fields			= null;
-	protected $add_hidden_fields 	= array();
-	protected $edit_hidden_fields 	= array();
-	protected $field_types 			= null;
-	protected $basic_db_table 		= null;
-	protected $theme_config 		= array();
-	protected $subject 				= null;
-	protected $subject_plural 		= null;
-	protected $display_as 			= array();
-	protected $order_by 			= null;
-	protected $where 				= array();
-	protected $like 				= array();
-	protected $having 				= array();
-	protected $or_having 			= array();
-	protected $limit 				= null;
-	protected $required_fields		= array();
-	protected $_unique_fields 			= array();
-	protected $validation_rules		= array();
-	protected $relation				= array();
-	protected $relation_n_n			= array();
-	protected $upload_fields		= array();
-	protected $actions				= array();
-
-	protected $form_validation		= null;
-	protected $change_field_type	= null;
-	protected $primary_keys			= array();
-	protected $crud_url_path		= null;
-	protected $list_url_path		= null;
-
-	/* The unsetters */
-	protected $unset_texteditor		= array();
-	protected $unset_add			= false;
-	protected $unset_edit			= false;
-	protected $unset_delete			= false;
-	protected $unset_read			= false;
-	protected $unset_jquery			= false;
-	protected $unset_jquery_ui		= false;
-	protected $unset_bootstrap 		= false;
-	protected $unset_list			= false;
-	protected $unset_export			= false;
-	protected $unset_print			= false;
-	protected $unset_back_to_list	= false;
-	protected $unset_columns		= null;
-	protected $unset_add_fields 	= null;
-	protected $unset_edit_fields	= null;
-	protected $unset_read_fields	= null;
-
-	/* Callbacks */
-	protected $callback_before_insert 	= null;
-	protected $callback_after_insert 	= null;
-	protected $callback_insert 			= null;
-	protected $callback_before_update 	= null;
-	protected $callback_after_update 	= null;
-	protected $callback_update 			= null;
-	protected $callback_before_delete 	= null;
-	protected $callback_after_delete 	= null;
-	protected $callback_delete 			= null;
-	protected $callback_column			= array();
-	protected $callback_add_field		= array();
-	protected $callback_edit_field		= array();
-	protected $callback_upload			= null;
-	protected $callback_before_upload	= null;
-	protected $callback_after_upload	= null;
-
-	protected $default_javascript_path	= null; //autogenerate, please do not modify
-	protected $default_css_path			= null; //autogenerate, please do not modify
-	protected $default_texteditor_path 	= null; //autogenerate, please do not modify
-	protected $default_theme_path		= null; //autogenerate, please do not modify
-	protected $default_language_path	= 'assets/grocery_crud/languages';
-	protected $default_config_path		= 'assets/grocery_crud/config';
-	protected $default_assets_path		= 'assets/grocery_crud';
-
-	/**
-	 *
-	 * Constructor
-	 *
-	 * @access	public
-	 */
-	public function __construct()
-	{
-
-	}
-
-	/**
-	 * The displayed columns that user see
-	 *
-	 * @access	public
-	 * @param	string
-	 * @param	array
-	 * @return	void
-	 */
-	public function columns()
-	{
-		$args = func_get_args();
-
-		if(isset($args[0]) && is_array($args[0]))
-		{
-			$args = $args[0];
-		}
-
-		$this->columns = $args;
-
-		return $this;
-	}
-
-
-	/**
-	 * Set Validation Rules
-	 *
-	 * Important note: If the $field is an array then no automated crud fields will take apart
-	 *
-	 * @access	public
-	 * @param	mixed
-	 * @param	string
-	 * @return	void
-	 */
-	function set_rules($field, $label = '', $rules = '')
-	{
-		if(is_string($field))
-		{
-			$this->validation_rules[$field] = array('field' => $field, 'label' => $label, 'rules' => $rules);
-		}elseif(is_array($field))
-		{
-			foreach($field as $num_field => $field_array)
-			{
-				$this->validation_rules[$field_array['field']] = $field_array;
-			}
-		}
-		return $this;
-	}
-
-	/**
-	 *
-	 * Changes the default field type
-	 * @param string $field
-	 * @param string $type
-	 * @param array|string $extras
-	 */
-	public function change_field_type($field , $type, $extras = null)
-	{
-		$field_type = (object)array('type' => $type);
-
-		$field_type->extras = $extras;
-
-		$this->change_field_type[$field] = $field_type;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * Just an alias to the change_field_type method
-	 * @param string $field
-	 * @param string $type
-	 * @param array|string $extras
-	 */
-	public function field_type($field , $type, $extras = null)
-	{
-		return $this->change_field_type($field , $type, $extras);
-	}
-
-	/**
-	 * Change the default primary key for a specific table.
-	 * If the $table_name is NULL then the primary key is for the default table name that we added at the set_table method
-	 *
-	 * @param string $primary_key_field
-	 * @param string $table_name
-	 */
-	public function set_primary_key($primary_key_field, $table_name = null)
-	{
-		$this->primary_keys[] = array('field_name' => $primary_key_field, 'table_name' => $table_name);
-
-		return $this;
-	}
-
-	/**
-	 * Unsets the texteditor of the selected fields
-	 *
-	 * @access	public
-	 * @param	string
-	 * @param	array
-	 * @return	void
-	 */
-	public function unset_texteditor()
-	{
-		$args = func_get_args();
-
-		if(isset($args[0]) && is_array($args[0]))
-		{
-			$args = $args[0];
-		}
-		foreach($args as $arg)
-		{
-			$this->unset_texteditor[] = $arg;
-		}
-
-		return $this;
-	}
-
-	/**
-	 * Unsets just the jquery library from the js. This function can be used if there is already a jquery included
-	 * in the main template. This will avoid all jquery conflicts.
-	 *
-	 * @return	void
-	 */
-	public function unset_jquery()
-	{
-		$this->unset_jquery = true;
-
-		return $this;
-	}
-
-	/**
-	 * Unsets the jquery UI Javascript and CSS. This function is really useful
-	 * when the jquery UI JavaScript and CSS are already included in the main template.
-	 * This will avoid all jquery UI conflicts.
-	 *
-	 * @return	void
-	 */
-	public function unset_jquery_ui()
-	{
-		$this->unset_jquery_ui = true;
-
-		return $this;
-	}
-
-	/**
-	 * Unsets just the twitter bootstrap libraries from the js and css. This function can be used if there is already twitter bootstrap files included
-	 * in the main template. If you are already using a bootstrap template then it's not necessary to load the files again.
-	 *
-	 * @return	void
-	 */
-	public function unset_bootstrap()
-	{
-		$this->unset_bootstrap = true;
-
-		return $this;
-	}
-
-	/**
-	 * Unsets the add operation from the list
-	 *
-	 * @return	void
-	 */
-	public function unset_add()
-	{
-		$this->unset_add = true;
-
-		return $this;
-	}
-
-	/**
-	 * Unsets the edit operation from the list
-	 *
-	 * @return	void
-	 */
-	public function unset_edit()
-	{
-		$this->unset_edit = true;
-
-		return $this;
-	}
-
-	/**
-	 * Unsets the delete operation from the list
-	 *
-	 * @return	void
-	 */
-	public function unset_delete()
-	{
-		$this->unset_delete = true;
-
-		return $this;
-	}
-
-	/**
-	 * Unsets the read operation from the list
-	 *
-	 * @return	void
-	 */
-	public function unset_read()
-	{
-		$this->unset_read = true;
-
-		return $this;
-	}
-
-	/**
-	 * Just an alias to unset_read
-	 *
-	 * @return	void
-	 * */
-	public function unset_view()
-	{
-		return unset_read();
-	}
-
-	/**
-	 * Unsets the export button and functionality from the list
-	 *
-	 * @return	void
-	 */
-	public function unset_export()
-	{
-		$this->unset_export = true;
-
-		return $this;
-	}
-
-
-	/**
-	 * Unsets the print button and functionality from the list
-	 *
-	 * @return	void
-	 */
-	public function unset_print()
-	{
-		$this->unset_print = true;
-
-		return $this;
-	}
-
-	/**
-	 * Unsets all the operations from the list
-	 *
-	 * @return	void
-	 */
-	public function unset_operations()
-	{
-		$this->unset_add 	= true;
-		$this->unset_edit 	= true;
-		$this->unset_delete = true;
-		$this->unset_read	= true;
-		$this->unset_export = true;
-		$this->unset_print  = true;
-
-		return $this;
-	}
-
-	/**
-	 * Unsets a column from the list
-	 *
-	 * @return	void.
-	 */
-	public function unset_columns()
-	{
-		$args = func_get_args();
-
-		if(isset($args[0]) && is_array($args[0]))
-		{
-			$args = $args[0];
-		}
-
-		$this->unset_columns = $args;
-
-		return $this;
-	}
-
-	public function unset_list()
-	{
-		$this->unset_list = true;
-
-		return $this;
-	}
-
-	public function unset_fields()
-	{
-		$args = func_get_args();
-
-		if(isset($args[0]) && is_array($args[0]))
-		{
-			$args = $args[0];
-		}
-
-		$this->unset_add_fields = $args;
-		$this->unset_edit_fields = $args;
-		$this->unset_read_fields = $args;
-
-		return $this;
-	}
-
-	public function unset_add_fields()
-	{
-		$args = func_get_args();
-
-		if(isset($args[0]) && is_array($args[0]))
-		{
-			$args = $args[0];
-		}
-
-		$this->unset_add_fields = $args;
-
-		return $this;
-	}
-
-	public function unset_edit_fields()
-	{
-		$args = func_get_args();
-
-		if(isset($args[0]) && is_array($args[0]))
-		{
-			$args = $args[0];
-		}
-
-		$this->unset_edit_fields = $args;
-
-		return $this;
-	}
-
-	public function unset_read_fields()
-	{
-		$args = func_get_args();
-
-		if(isset($args[0]) && is_array($args[0]))
-		{
-			$args = $args[0];
-		}
-
-		$this->unset_read_fields = $args;
-
-		return $this;
-	}
-
-
-	/**
-	 * Unsets everything that has to do with buttons or links with go back to list message
-	 * @access	public
-	 * @return	void
-	 */
-	public function unset_back_to_list()
-	{
-		$this->unset_back_to_list = true;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * The fields that user will see on add/edit
-	 *
-	 * @access	public
-	 * @param	string
-	 * @param	array
-	 * @return	void
-	 */
-	public function fields()
-	{
-		$args = func_get_args();
-
-		if(isset($args[0]) && is_array($args[0]))
-		{
-			$args = $args[0];
-		}
-
-		$this->add_fields = $args;
-		$this->edit_fields = $args;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * The fields that user can see . It is only for the add form
-	 */
-	public function add_fields()
-	{
-		$args = func_get_args();
-
-		if(isset($args[0]) && is_array($args[0]))
-		{
-			$args = $args[0];
-		}
-
-		$this->add_fields = $args;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 *  The fields that user can see . It is only for the edit form
-	 */
-	public function edit_fields()
-	{
-		$args = func_get_args();
-
-		if(isset($args[0]) && is_array($args[0]))
-		{
-			$args = $args[0];
-		}
-
-		$this->edit_fields = $args;
-
-		return $this;
-	}
-
-	public function set_read_fields()
-	{
-		$args = func_get_args();
-
-		if(isset($args[0]) && is_array($args[0])) {
-			$args = $args[0];
-		}
-
-		$this->read_fields = $args;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * Changes the displaying label of the field
-	 * @param $field_name
-	 * @param $display_as
-	 * @return void
-	 */
-	public function display_as($field_name, $display_as = null)
-	{
-		if(is_array($field_name))
-		{
-			foreach($field_name as $field => $display_as)
-			{
-				$this->display_as[$field] = $display_as;
-			}
-		}
-		elseif($display_as !== null)
-		{
-			$this->display_as[$field_name] = $display_as;
-		}
-		return $this;
-	}
-
-	/**
-	 *
-	 * Load the language strings array from the language file
-	 */
-	protected function _load_language()
-	{
-		if($this->language === null)
-		{
-			$this->language = strtolower($this->config->default_language);
-		}
-		include($this->default_language_path.'/'.$this->language.'.php');
-
-		foreach($lang as $handle => $lang_string)
-			if(!isset($this->lang_strings[$handle]))
-				$this->lang_strings[$handle] = $lang_string;
-
-		$this->default_true_false_text = array( $this->l('form_inactive') , $this->l('form_active'));
-		$this->subject = $this->subject === null ? $this->l('list_record') : $this->subject;
-
-	}
-
-	protected function _load_date_format()
-	{
-		list($php_day, $php_month, $php_year) = array('d','m','Y');
-		list($js_day, $js_month, $js_year) = array('dd','mm','yy');
-		list($ui_day, $ui_month, $ui_year) = array($this->l('ui_day'), $this->l('ui_month'), $this->l('ui_year'));
-
-		$date_format = $this->config->date_format;
-		switch ($date_format) {
-			case 'uk-date':
-				$this->php_date_format 		= "$php_day/$php_month/$php_year";
-				$this->js_date_format		= "$js_day/$js_month/$js_year";
-				$this->ui_date_format		= "$ui_day/$ui_month/$ui_year";
-			break;
+        $this->_load_date_format();
 
-			case 'us-date':
-				$this->php_date_format 		= "$php_month/$php_day/$php_year";
-				$this->js_date_format		= "$js_month/$js_day/$js_year";
-				$this->ui_date_format		= "$ui_month/$ui_day/$ui_year";
-			break;
+        $this->_set_primary_keys_to_model();
+    }
 
-			case 'sql-date':
-			default:
-				$this->php_date_format 		= "$php_year-$php_month-$php_day";
-				$this->js_date_format		= "$js_year-$js_month-$js_day";
-				$this->ui_date_format		= "$ui_year-$ui_month-$ui_day";
-			break;
-		}
-	}
-
-	/**
-	 *
-	 * Set a language string directly
-	 * @param string $handle
-	 * @param string $string
-	 */
-	public function set_lang_string($handle, $lang_string){
-		$this->lang_strings[$handle] = $lang_string;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * Just an alias to get_lang_string method
-	 * @param string $handle
-	 */
-	public function l($handle)
-	{
-		return $this->get_lang_string($handle);
-	}
-
-	/**
-	 *
-	 * Get the language string of the inserted string handle
-	 * @param string $handle
-	 */
-	public function get_lang_string($handle)
-	{
-		return $this->lang_strings[$handle];
-	}
-
-	/**
-	 *
-	 * Simply set the language
-	 * @example english
-	 * @param string $language
-	 */
-	public function set_language($language)
-	{
-		$this->language = $language;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * Enter description here ...
-	 */
-	protected function get_columns()
-	{
-		if($this->columns_checked === false)
-		{
-			$field_types = $this->get_field_types();
-			if(empty($this->columns))
-			{
-				$this->columns = array();
-				foreach($field_types as $field)
-				{
-					if( !isset($field->db_extra) || $field->db_extra != 'auto_increment' )
-						$this->columns[] = $field->name;
-				}
-			}
-
-			foreach($this->columns as $col_num => $column)
-			{
-
-				if(isset($this->relation[$column]))
-				{
-
-					$new_column = $this->_unique_field_name($this->relation[$column][0]);
-					$this->columns[$col_num] = $new_column;
-
-					if(isset($this->display_as[$column]))
-					{
-						$display_as = $this->display_as[$column];
-						unset($this->display_as[$column]);
-						$this->display_as[$new_column] = $display_as;
-					}
-					else
-					{
-						$this->display_as[$new_column] = ucfirst(str_replace('_',' ',$column));
-					}
-
-					$column = $new_column;
-					$this->columns[$col_num] = $new_column;
-				}
-				else
-				{
-					if(!empty($this->relation))
-					{
-						$table_name  = $this->get_table();
-						foreach($this->relation as $relation)
-						{
-							if( $relation[2] == $column )
-							{
-								$new_column = $table_name.'.'.$column;
-								if(isset($this->display_as[$column]))
-								{
-									$display_as = $this->display_as[$column];
-									unset($this->display_as[$column]);
-									$this->display_as[$new_column] = $display_as;
-								}
-								else
-								{
-									$this->display_as[$new_column] = ucfirst(str_replace('_',' ',$column));
-								}
-
-								$column = $new_column;
-								$this->columns[$col_num] = $new_column;
-							}
-						}
-					}
-
-				}
-
-				if(isset($this->display_as[$column]))
-					$this->columns[$col_num] = (object)array('field_name' => $column, 'display_as' => $this->display_as[$column]);
-				elseif(isset($field_types[$column]))
-					$this->columns[$col_num] = (object)array('field_name' => $column, 'display_as' => $field_types[$column]->display_as);
-				else
-					$this->columns[$col_num] = (object)array('field_name' => $column, 'display_as' =>
-						ucfirst(str_replace('_',' ',$column)));
-
-				if(!empty($this->unset_columns) && in_array($column,$this->unset_columns))
-				{
-					unset($this->columns[$col_num]);
-				}
-			}
-
-			$this->columns_checked = true;
-
-		}
-
-		return $this->columns;
-	}
-
-	/**
-	 *
-	 * Enter description here ...
-	 */
-	protected function get_add_fields()
-	{
-		if($this->add_fields_checked === false)
-		{
-			$field_types = $this->get_field_types();
-			if(!empty($this->add_fields))
-			{
-				foreach($this->add_fields as $field_num => $field)
-				{
-					if(isset($this->display_as[$field]))
-						$this->add_fields[$field_num] = (object)array('field_name' => $field, 'display_as' => $this->display_as[$field]);
-					elseif(isset($field_types[$field]->display_as))
-						$this->add_fields[$field_num] = (object)array('field_name' => $field, 'display_as' => $field_types[$field]->display_as);
-					else
-						$this->add_fields[$field_num] = (object)array('field_name' => $field, 'display_as' => ucfirst(str_replace('_',' ',$field)));
-				}
-			}
-			else
-			{
-				$this->add_fields = array();
-				foreach($field_types as $field)
-				{
-					//Check if an unset_add_field is initialize for this field name
-					if($this->unset_add_fields !== null && is_array($this->unset_add_fields) && in_array($field->name,$this->unset_add_fields))
-						continue;
-
-					if( (!isset($field->db_extra) || $field->db_extra != 'auto_increment') )
-					{
-						if(isset($this->display_as[$field->name]))
-							$this->add_fields[] = (object)array('field_name' => $field->name, 'display_as' => $this->display_as[$field->name]);
-						else
-							$this->add_fields[] = (object)array('field_name' => $field->name, 'display_as' => $field->display_as);
-					}
-				}
-			}
-
-			$this->add_fields_checked = true;
-		}
-		return $this->add_fields;
-	}
-
-	/**
-	 *
-	 * Enter description here ...
-	 */
-	protected function get_edit_fields()
-	{
-		if($this->edit_fields_checked === false)
-		{
-			$field_types = $this->get_field_types();
-			if(!empty($this->edit_fields))
-			{
-				foreach($this->edit_fields as $field_num => $field)
-				{
-					if(isset($this->display_as[$field]))
-						$this->edit_fields[$field_num] = (object)array('field_name' => $field, 'display_as' => $this->display_as[$field]);
-					else
-						$this->edit_fields[$field_num] = (object)array('field_name' => $field, 'display_as' => $field_types[$field]->display_as);
-				}
-			}
-			else
-			{
-				$this->edit_fields = array();
-				foreach($field_types as $field)
-				{
-					//Check if an unset_edit_field is initialize for this field name
-					if($this->unset_edit_fields !== null && is_array($this->unset_edit_fields) && in_array($field->name,$this->unset_edit_fields))
-						continue;
-
-					if(!isset($field->db_extra) || $field->db_extra != 'auto_increment')
-					{
-						if(isset($this->display_as[$field->name]))
-							$this->edit_fields[] = (object)array('field_name' => $field->name, 'display_as' => $this->display_as[$field->name]);
-						else
-							$this->edit_fields[] = (object)array('field_name' => $field->name, 'display_as' => $field->display_as);
-					}
-				}
-			}
-
-			$this->edit_fields_checked = true;
-		}
-		return $this->edit_fields;
-	}
-
-	/**
-	 *
-	 * Enter description here ...
-	 */
-	protected function get_read_fields()
-	{
-		if($this->read_fields_checked === false)
-		{
-			$field_types = $this->get_field_types();
-			if(!empty($this->read_fields))
-			{
-				foreach($this->read_fields as $field_num => $field)
-				{
-					if(isset($this->display_as[$field]))
-						$this->read_fields[$field_num] = (object)array('field_name' => $field, 'display_as' => $this->display_as[$field]);
-					else
-						$this->read_fields[$field_num] = (object)array('field_name' => $field, 'display_as' => $field_types[$field]->display_as);
-				}
-			}
-			else
-			{
-				$this->read_fields = array();
-				foreach($field_types as $field)
-				{
-					//Check if an unset_read_field is initialize for this field name
-					if($this->unset_read_fields !== null && is_array($this->unset_read_fields) && in_array($field->name,$this->unset_read_fields))
-						continue;
-
-					if(!isset($field->db_extra) || $field->db_extra != 'auto_increment')
-					{
-						if(isset($this->display_as[$field->name]))
-							$this->read_fields[] = (object)array('field_name' => $field->name, 'display_as' => $this->display_as[$field->name]);
-						else
-							$this->read_fields[] = (object)array('field_name' => $field->name, 'display_as' => $field->display_as);
-					}
-				}
-			}
-
-			$this->read_fields_checked = true;
-		}
-		return $this->read_fields;
-	}
-
-	public function order_by($order_by, $direction = 'asc')
-	{
-		$this->order_by = array($order_by,$direction);
-
-		return $this;
-	}
-
-	public function where($key, $value = NULL, $escape = TRUE)
-	{
-		$this->where[] = array($key,$value,$escape);
-
-		return $this;
-	}
-
-	public function or_where($key, $value = NULL, $escape = TRUE)
-	{
-		$this->or_where[] = array($key,$value,$escape);
-
-		return $this;
-	}
-
-	public function like($field, $match = '', $side = 'both')
-	{
-		$this->like[] = array($field, $match, $side);
-
-		return $this;
-	}
-
-	protected function having($key, $value = '', $escape = TRUE)
-	{
-		$this->having[] = array($key, $value, $escape);
-
-		return $this;
-	}
-
-	protected function or_having($key, $value = '', $escape = TRUE)
-	{
-		$this->or_having[] = array($key, $value, $escape);
-
-		return $this;
-	}
-
-	public function or_like($field, $match = '', $side = 'both')
-	{
-		$this->or_like[] = array($field, $match, $side);
-
-		return $this;
-	}
-
-	public function limit($limit, $offset = '')
-	{
-		$this->limit = array($limit,$offset);
-
-		return $this;
-	}
-
-	protected function _initialize_helpers()
-	{
-		$ci = &get_instance();
-
-		$ci->load->helper('url');
-		$ci->load->helper('form');
-	}
-
-	protected function _initialize_variables()
-	{
-		$ci = &get_instance();
-		$ci->load->config('grocery_crud');
-
-		$this->config = (object)array();
-
-		/** Initialize all the config variables into this object */
-		$this->config->default_language 	= $ci->config->item('grocery_crud_default_language');
-		$this->config->date_format 			= $ci->config->item('grocery_crud_date_format');
-		$this->config->default_per_page		= $ci->config->item('grocery_crud_default_per_page');
-		$this->config->file_upload_allow_file_types	= $ci->config->item('grocery_crud_file_upload_allow_file_types');
-		$this->config->file_upload_max_file_size	= $ci->config->item('grocery_crud_file_upload_max_file_size');
-		$this->config->default_text_editor	= $ci->config->item('grocery_crud_default_text_editor');
-		$this->config->text_editor_type		= $ci->config->item('grocery_crud_text_editor_type');
-		$this->config->character_limiter	= $ci->config->item('grocery_crud_character_limiter');
-		$this->config->dialog_forms			= $ci->config->item('grocery_crud_dialog_forms');
-		$this->config->paging_options		= $ci->config->item('grocery_crud_paging_options');
-        $this->config->default_theme        = $ci->config->item('grocery_crud_default_theme');
-        $this->config->environment          = $ci->config->item('grocery_crud_environment');
+    /**
+     *
+     * Or else ... make it work! The web application takes decision of what to do and show it to the final user.
+     * Without this function nothing works. Here is the core of grocery CRUD project.
+     *
+     * @access	public
+     */
+    public function render()
+    {
+        $this->pre_render();
 
-		/** Initialize default paths */
-		$this->default_javascript_path				= $this->default_assets_path.'/js';
-		$this->default_css_path						= $this->default_assets_path.'/css';
-		$this->default_texteditor_path 				= $this->default_assets_path.'/texteditor';
-		$this->default_theme_path					= $this->default_assets_path.'/themes';
+        if( $this->state_code != 0 )
+        {
+            $this->state_info = $this->getStateInfo();
+        }
+        else
+        {
+            throw new Exception('The state is unknown , I don\'t know what I will do with your data!', 4);
+            die();
+        }
 
-		$this->character_limiter = $this->config->character_limiter;
+        switch ($this->state_code) {
+            case 15://success
+            case 1://list
+                if($this->unset_list)
+                {
+                    throw new Exception('You don\'t have permissions for this operation', 14);
+                    die();
+                }
 
-		if ($this->character_limiter === 0 || $this->character_limiter === '0') {
-			$this->character_limiter = 1000000; //a very big number
-		} elseif($this->character_limiter === null || $this->character_limiter === false) {
-			$this->character_limiter = 30; //is better to have the number 30 rather than the 0 value
-		}
+                if($this->theme === null)
+                    $this->set_theme($this->default_theme);
+                $this->setThemeBasics();
 
-        if ($this->theme === null && !empty($this->config->default_theme)) {
-            $this->set_theme($this->config->default_theme);
-        }
-	}
-
-	protected function _set_primary_keys_to_model()
-	{
-		if(!empty($this->primary_keys))
-		{
-			foreach($this->primary_keys as $primary_key)
-			{
-				$this->basic_model->set_primary_key($primary_key['field_name'],$primary_key['table_name']);
-			}
-		}
-	}
-
-	/**
-	 * Initialize all the required libraries and variables before rendering
-	 */
-	protected function pre_render()
-	{
-		$this->_initialize_variables();
-		$this->_initialize_helpers();
-		$this->_load_language();
-		$this->state_code = $this->getStateCode();
-
-		if($this->basic_model === null)
-			$this->set_default_Model();
-
-		$this->set_basic_db_table($this->get_table());
-
-		$this->_load_date_format();
-
-		$this->_set_primary_keys_to_model();
-	}
-
-	/**
-	 *
-	 * Or else ... make it work! The web application takes decision of what to do and show it to the final user.
-	 * Without this function nothing works. Here is the core of grocery CRUD project.
-	 *
-	 * @access	public
-	 */
-	public function render()
-	{
-		$this->pre_render();
-
-		if( $this->state_code != 0 )
-		{
-			$this->state_info = $this->getStateInfo();
-		}
-		else
-		{
-			throw new Exception('The state is unknown , I don\'t know what I will do with your data!', 4);
-			die();
-		}
-
-		switch ($this->state_code) {
-			case 15://success
-			case 1://list
-				if($this->unset_list)
-				{
-					throw new Exception('You don\'t have permissions for this operation', 14);
-					die();
-				}
-
-				if($this->theme === null)
-					$this->set_theme($this->default_theme);
-				$this->setThemeBasics();
-
-				$this->set_basic_Layout();
+                $this->set_basic_Layout();
 
-				$state_info = $this->getStateInfo();
+                $state_info = $this->getStateInfo();
 
-				$this->showList(false,$state_info);
+                $this->showList(false,$state_info);
 
-			break;
+            break;
 
-			case 2://add
-				if($this->unset_add)
-				{
-					throw new Exception('You don\'t have permissions for this operation', 14);
-					die();
-				}
+            case 2://add
+                if($this->unset_add)
+                {
+                    throw new Exception('You don\'t have permissions for this operation', 14);
+                    die();
+                }
 
-				if($this->theme === null)
-					$this->set_theme($this->default_theme);
-				$this->setThemeBasics();
+                if($this->theme === null)
+                    $this->set_theme($this->default_theme);
+                $this->setThemeBasics();
 
-				$this->set_basic_Layout();
+                $this->set_basic_Layout();
 
-				$this->showAddForm();
+                $this->showAddForm();
 
-			break;
+            break;
 
-			case 3://edit
-				if($this->unset_edit)
-				{
-					throw new Exception('You don\'t have permissions for this operation', 14);
-					die();
-				}
+            case 3://edit
+                if($this->unset_edit)
+                {
+                    throw new Exception('You don\'t have permissions for this operation', 14);
+                    die();
+                }
 
-				if($this->theme === null)
-					$this->set_theme($this->default_theme);
-				$this->setThemeBasics();
+                if($this->theme === null)
+                    $this->set_theme($this->default_theme);
+                $this->setThemeBasics();
 
-				$this->set_basic_Layout();
+                $this->set_basic_Layout();
 
-				$state_info = $this->getStateInfo();
+                $state_info = $this->getStateInfo();
 
-				$this->showEditForm($state_info);
+                $this->showEditForm($state_info);
 
-			break;
+            break;
 
-			case 4://delete
-				if($this->unset_delete)
-				{
-					throw new Exception('This user is not allowed to do this operation', 14);
-					die();
-				}
+            case 4://delete
+                if($this->unset_delete)
+                {
+                    throw new Exception('This user is not allowed to do this operation', 14);
+                    die();
+                }
 
-				$state_info = $this->getStateInfo();
-				$delete_result = $this->db_delete($state_info);
+                $state_info = $this->getStateInfo();
+                $delete_result = $this->db_delete($state_info);
 
-				$this->delete_layout( $delete_result );
-			break;
+                $this->delete_layout( $delete_result );
+            break;
 
-			case 5://insert
-				if($this->unset_add)
-				{
-					throw new Exception('This user is not allowed to do this operation', 14);
-					die();
-				}
+            case 5://insert
+                if($this->unset_add)
+                {
+                    throw new Exception('This user is not allowed to do this operation', 14);
+                    die();
+                }
 
-				$state_info = $this->getStateInfo();
-				$insert_result = $this->db_insert($state_info);
+                $state_info = $this->getStateInfo();
+                $insert_result = $this->db_insert($state_info);
 
-				$this->insert_layout($insert_result);
-			break;
+                $this->insert_layout($insert_result);
+            break;
 
-			case 6://update
-				if($this->unset_edit)
-				{
-					throw new Exception('This user is not allowed to do this operation', 14);
-					die();
-				}
+            case 6://update
+                if($this->unset_edit)
+                {
+                    throw new Exception('This user is not allowed to do this operation', 14);
+                    die();
+                }
 
-				$state_info = $this->getStateInfo();
-				$update_result = $this->db_update($state_info);
+                $state_info = $this->getStateInfo();
+                $update_result = $this->db_update($state_info);
 
-				$this->update_layout( $update_result,$state_info);
-			break;
+                $this->update_layout( $update_result,$state_info);
+            break;
 
-			case 7://ajax_list
+            case 7://ajax_list
 
-				if($this->unset_list)
-				{
-					throw new Exception('You don\'t have permissions for this operation', 14);
-					die();
-				}
+                if($this->unset_list)
+                {
+                    throw new Exception('You don\'t have permissions for this operation', 14);
+                    die();
+                }
 
-				if($this->theme === null)
-					$this->set_theme($this->default_theme);
-				$this->setThemeBasics();
+                if($this->theme === null)
+                    $this->set_theme($this->default_theme);
+                $this->setThemeBasics();
 
-				$this->set_basic_Layout();
+                $this->set_basic_Layout();
 
-				$state_info = $this->getStateInfo();
-				$this->set_ajax_list_queries($state_info);
+                $state_info = $this->getStateInfo();
+                $this->set_ajax_list_queries($state_info);
 
-				$this->showList(true);
+                $this->showList(true);
 
-			break;
+            break;
 
-			case 8://ajax_list_info
+            case 8://ajax_list_info
 
-				if($this->theme === null)
-					$this->set_theme($this->default_theme);
-				$this->setThemeBasics();
+                if($this->theme === null)
+                    $this->set_theme($this->default_theme);
+                $this->setThemeBasics();
 
-				$this->set_basic_Layout();
+                $this->set_basic_Layout();
 
-				$state_info = $this->getStateInfo();
-				$this->set_ajax_list_queries($state_info);
+                $state_info = $this->getStateInfo();
+                $this->set_ajax_list_queries($state_info);
 
-				$this->showListInfo();
-			break;
+                $this->showListInfo();
+            break;
 
-			case 9://insert_validation
+            case 9://insert_validation
 
-				$validation_result = $this->db_insert_validation();
+                $validation_result = $this->db_insert_validation();
 
-				$this->validation_layout($validation_result);
-			break;
+                $this->validation_layout($validation_result);
+            break;
 
-			case 10://update_validation
+            case 10://update_validation
 
-				$validation_result = $this->db_update_validation();
+                $validation_result = $this->db_update_validation();
 
-				$this->validation_layout($validation_result);
-			break;
+                $this->validation_layout($validation_result);
+            break;
 
-			case 11://upload_file
+            case 11://upload_file
 
-				$state_info = $this->getStateInfo();
+                $state_info = $this->getStateInfo();
 
-				$upload_result = $this->upload_file($state_info);
+                $upload_result = $this->upload_file($state_info);
 
-				$this->upload_layout($upload_result, $state_info->field_name);
-			break;
+                $this->upload_layout($upload_result, $state_info->field_name);
+            break;
 
-			case 12://delete_file
-				$state_info = $this->getStateInfo();
+            case 12://delete_file
+                $state_info = $this->getStateInfo();
 
-				$delete_file_result = $this->delete_file($state_info);
+                $delete_file_result = $this->delete_file($state_info);
 
-				$this->delete_file_layout($delete_file_result);
-			break;
-			/*
+                $this->delete_file_layout($delete_file_result);
+            break;
+            /*
 			case 13: //ajax_relation
 				$state_info = $this->getStateInfo();
 
@@ -4646,559 +4646,559 @@ 
 				die();
 			break;
 			*/
-			case 16: //export to excel
-				//a big number just to ensure that the table characters will not be cutted.
-				$this->character_limiter = 1000000;
+            case 16: //export to excel
+                //a big number just to ensure that the table characters will not be cutted.
+                $this->character_limiter = 1000000;
 
-				if($this->unset_export)
-				{
-					throw new Exception('You don\'t have permissions for this operation', 15);
-					die();
-				}
+                if($this->unset_export)
+                {
+                    throw new Exception('You don\'t have permissions for this operation', 15);
+                    die();
+                }
 
-				if($this->theme === null)
-					$this->set_theme($this->default_theme);
-				$this->setThemeBasics();
+                if($this->theme === null)
+                    $this->set_theme($this->default_theme);
+                $this->setThemeBasics();
 
-				$this->set_basic_Layout();
+                $this->set_basic_Layout();
 
-				$state_info = $this->getStateInfo();
-				$this->set_ajax_list_queries($state_info);
-				$this->exportToExcel($state_info);
-			break;
+                $state_info = $this->getStateInfo();
+                $this->set_ajax_list_queries($state_info);
+                $this->exportToExcel($state_info);
+            break;
 
-			case 17: //print
-				//a big number just to ensure that the table characters will not be cutted.
-				$this->character_limiter = 1000000;
+            case 17: //print
+                //a big number just to ensure that the table characters will not be cutted.
+                $this->character_limiter = 1000000;
 
-				if($this->unset_print)
-				{
-					throw new Exception('You don\'t have permissions for this operation', 15);
-					die();
-				}
+                if($this->unset_print)
+                {
+                    throw new Exception('You don\'t have permissions for this operation', 15);
+                    die();
+                }
 
-				if($this->theme === null)
-					$this->set_theme($this->default_theme);
-				$this->setThemeBasics();
+                if($this->theme === null)
+                    $this->set_theme($this->default_theme);
+                $this->setThemeBasics();
 
-				$this->set_basic_Layout();
+                $this->set_basic_Layout();
 
-				$state_info = $this->getStateInfo();
-				$this->set_ajax_list_queries($state_info);
-				$this->print_webpage($state_info);
-				break;
+                $state_info = $this->getStateInfo();
+                $this->set_ajax_list_queries($state_info);
+                $this->print_webpage($state_info);
+                break;
 
-			case grocery_CRUD_States::STATE_READ:
-				if($this->unset_read)
-				{
-					throw new Exception('You don\'t have permissions for this operation', 14);
-					die();
-				}
+            case grocery_CRUD_States::STATE_READ:
+                if($this->unset_read)
+                {
+                    throw new Exception('You don\'t have permissions for this operation', 14);
+                    die();
+                }
 
-				if($this->theme === null)
-					$this->set_theme($this->default_theme);
-				$this->setThemeBasics();
+                if($this->theme === null)
+                    $this->set_theme($this->default_theme);
+                $this->setThemeBasics();
 
-				$this->set_basic_Layout();
+                $this->set_basic_Layout();
 
-				$state_info = $this->getStateInfo();
+                $state_info = $this->getStateInfo();
 
-				$this->showReadForm($state_info);
+                $this->showReadForm($state_info);
 
-    			break;
+                break;
 
             case grocery_CRUD_States::STATE_DELETE_MULTIPLE:
 
-				if($this->unset_delete)
+                if($this->unset_delete)
                 {
                     throw new Exception('This user is not allowed to do this operation');
                     die();
                 }
 
-				$state_info = $this->getStateInfo();
-				$delete_result = $this->db_multiple_delete($state_info);
+                $state_info = $this->getStateInfo();
+                $delete_result = $this->db_multiple_delete($state_info);
 
-				$this->delete_layout($delete_result);
+                $this->delete_layout($delete_result);
 
                 break;
 
-		}
-
-		return $this->get_layout();
-	}
-
-	protected function get_common_data()
-	{
-		$data = (object)array();
-
-		$data->subject 				= $this->subject;
-		$data->subject_plural 		= $this->subject_plural;
-
-		return $data;
-	}
-
-	/**
-	 *
-	 * Enter description here ...
-	 */
-	public function callback_before_insert($callback = null)
-	{
-		$this->callback_before_insert = $callback;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * Enter description here ...
-	 */
-	public function callback_after_insert($callback = null)
-	{
-		$this->callback_after_insert = $callback;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * Enter description here ...
-	 */
-	public function callback_insert($callback = null)
-	{
-		$this->callback_insert = $callback;
-
-		return $this;
-	}
-
-
-	/**
-	 *
-	 * Enter description here ...
-	 */
-	public function callback_before_update($callback = null)
-	{
-		$this->callback_before_update = $callback;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * Enter description here ...
-	 */
-	public function callback_after_update($callback = null)
-	{
-		$this->callback_after_update = $callback;
-
-		return $this;
-	}
-
-
-	/**
-	 *
-	 * Enter description here ...
-	 * @param mixed $callback
-	 */
-	public function callback_update($callback = null)
-	{
-		$this->callback_update = $callback;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * Enter description here ...
-	 */
-	public function callback_before_delete($callback = null)
-	{
-		$this->callback_before_delete = $callback;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * Enter description here ...
-	 */
-	public function callback_after_delete($callback = null)
-	{
-		$this->callback_after_delete = $callback;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * Enter description here ...
-	 */
-	public function callback_delete($callback = null)
-	{
-		$this->callback_delete = $callback;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * Enter description here ...
-	 * @param string $column
-	 * @param mixed $callback
-	 */
-	public function callback_column($column ,$callback = null)
-	{
-		$this->callback_column[$column] = $callback;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * Enter description here ...
-	 * @param string $field
-	 * @param mixed $callback
-	 */
-	public function callback_field($field, $callback = null)
-	{
-		$this->callback_add_field[$field] = $callback;
-		$this->callback_edit_field[$field] = $callback;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * Enter description here ...
-	 * @param string $field
-	 * @param mixed $callback
-	 */
-	public function callback_add_field($field, $callback = null)
-	{
-		$this->callback_add_field[$field] = $callback;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * Enter description here ...
-	 * @param string $field
-	 * @param mixed $callback
-	 */
-	public function callback_edit_field($field, $callback = null)
-	{
-		$this->callback_edit_field[$field] = $callback;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * Callback that replace the default auto uploader
-	 *
-	 * @param mixed $callback
-	 * @return grocery_CRUD
-	 */
-	public function callback_upload($callback = null)
-	{
-		$this->callback_upload = $callback;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * A callback that triggered before the upload functionality. This callback is suggested for validation checks
-	 * @param mixed $callback
-	 * @return grocery_CRUD
-	 */
-	public function callback_before_upload($callback = null)
-	{
-		$this->callback_before_upload = $callback;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * A callback that triggered after the upload functionality
-	 * @param mixed $callback
-	 * @return grocery_CRUD
-	 */
-	public function callback_after_upload($callback = null)
-	{
-		$this->callback_after_upload = $callback;
-
-		return $this;
-
-	}
-
-	/**
-	 *
-	 * Gets the basic database table of our crud.
-	 * @return string
-	 */
-	public function get_table()
-	{
-		if($this->basic_db_table_checked)
-		{
-			return $this->basic_db_table;
-		}
-		elseif( $this->basic_db_table !== null )
-		{
-			if(!$this->table_exists($this->basic_db_table))
-			{
-				throw new Exception('The table name does not exist. Please check you database and try again.',11);
-				die();
-			}
-			$this->basic_db_table_checked = true;
-			return $this->basic_db_table;
-		}
-		else
-		{
-			//Last try , try to find the table from your view / function name!!! Not suggested but it works .
-			$last_chance_table_name = $this->get_method_name();
-			if($this->table_exists($last_chance_table_name))
-			{
-				$this->set_table($last_chance_table_name);
-			}
-			$this->basic_db_table_checked = true;
-			return $this->basic_db_table;
-
-		}
-
-		return false;
-	}
-
-	/**
-	 *
-	 * The field names of the required fields
-	 */
-	public function required_fields()
-	{
-		$args = func_get_args();
-
-		if(isset($args[0]) && is_array($args[0]))
-		{
-			$args = $args[0];
-		}
-
-		$this->required_fields = $args;
-
-		return $this;
-	}
-
-	/**
-	 * Add the fields that they are as UNIQUE in the database structure
-	 *
-	 * @return grocery_CRUD
-	 */
-	public function unique_fields()
-	{
-		$args = func_get_args();
-
-		if(isset($args[0]) && is_array($args[0]))
-		{
-			$args = $args[0];
-		}
-
-		$this->_unique_fields = $args;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * Sets the basic database table that we will get our data.
-	 * @param string $table_name
-	 * @return grocery_CRUD
-	 */
-	public function set_table($table_name)
-	{
-		if(!empty($table_name) && $this->basic_db_table === null)
-		{
-			$this->basic_db_table = $table_name;
-		}
-		elseif(!empty($table_name))
-		{
-			throw new Exception('You have already insert a table name once...', 1);
-		}
-		else
-		{
-			throw new Exception('The table name cannot be empty.', 2);
-			die();
-		}
-
-		return $this;
-	}
-
-	/**
-	 * Set a full URL path to this method.
-	 *
-	 * This method is useful when the path is not specified correctly.
-	 * Especially when we are using routes.
-	 * For example:
-	 * Let's say we have the path http://www.example.com/ however the original url path is
-	 * http://www.example.com/example/index . We have to specify the url so we can have
-	 * all the CRUD operations correctly.
-	 * The url path has to be set from this method like this:
-	 * <code>
-	 * 		$crud->set_crud_url_path(site_url('example/index'));
-	 * </code>
-	 *
-	 * @param string $crud_url_path
-	 * @param string $list_url_path
-	 * @return grocery_CRUD
-	 */
-	public function set_crud_url_path($crud_url_path, $list_url_path = null)
-	{
-		$this->crud_url_path = $crud_url_path;
-
-		//If the list_url_path is empty so we are guessing that the list_url_path
-		//will be the same with crud_url_path
-		$this->list_url_path = !empty($list_url_path) ? $list_url_path : $crud_url_path;
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * Set a subject to understand what type of CRUD you use.
+        }
+
+        return $this->get_layout();
+    }
+
+    protected function get_common_data()
+    {
+        $data = (object)array();
+
+        $data->subject 				= $this->subject;
+        $data->subject_plural 		= $this->subject_plural;
+
+        return $data;
+    }
+
+    /**
+     *
+     * Enter description here ...
+     */
+    public function callback_before_insert($callback = null)
+    {
+        $this->callback_before_insert = $callback;
+
+        return $this;
+    }
+
+    /**
+     *
+     * Enter description here ...
+     */
+    public function callback_after_insert($callback = null)
+    {
+        $this->callback_after_insert = $callback;
+
+        return $this;
+    }
+
+    /**
+     *
+     * Enter description here ...
+     */
+    public function callback_insert($callback = null)
+    {
+        $this->callback_insert = $callback;
+
+        return $this;
+    }
+
+
+    /**
+     *
+     * Enter description here ...
+     */
+    public function callback_before_update($callback = null)
+    {
+        $this->callback_before_update = $callback;
+
+        return $this;
+    }
+
+    /**
+     *
+     * Enter description here ...
+     */
+    public function callback_after_update($callback = null)
+    {
+        $this->callback_after_update = $callback;
+
+        return $this;
+    }
+
+
+    /**
+     *
+     * Enter description here ...
+     * @param mixed $callback
+     */
+    public function callback_update($callback = null)
+    {
+        $this->callback_update = $callback;
+
+        return $this;
+    }
+
+    /**
+     *
+     * Enter description here ...
+     */
+    public function callback_before_delete($callback = null)
+    {
+        $this->callback_before_delete = $callback;
+
+        return $this;
+    }
+
+    /**
+     *
+     * Enter description here ...
+     */
+    public function callback_after_delete($callback = null)
+    {
+        $this->callback_after_delete = $callback;
+
+        return $this;
+    }
+
+    /**
+     *
+     * Enter description here ...
+     */
+    public function callback_delete($callback = null)
+    {
+        $this->callback_delete = $callback;
+
+        return $this;
+    }
+
+    /**
+     *
+     * Enter description here ...
+     * @param string $column
+     * @param mixed $callback
+     */
+    public function callback_column($column ,$callback = null)
+    {
+        $this->callback_column[$column] = $callback;
+
+        return $this;
+    }
+
+    /**
+     *
+     * Enter description here ...
+     * @param string $field
+     * @param mixed $callback
+     */
+    public function callback_field($field, $callback = null)
+    {
+        $this->callback_add_field[$field] = $callback;
+        $this->callback_edit_field[$field] = $callback;
+
+        return $this;
+    }
+
+    /**
+     *
+     * Enter description here ...
+     * @param string $field
+     * @param mixed $callback
+     */
+    public function callback_add_field($field, $callback = null)
+    {
+        $this->callback_add_field[$field] = $callback;
+
+        return $this;
+    }
+
+    /**
+     *
+     * Enter description here ...
+     * @param string $field
+     * @param mixed $callback
+     */
+    public function callback_edit_field($field, $callback = null)
+    {
+        $this->callback_edit_field[$field] = $callback;
+
+        return $this;
+    }
+
+    /**
+     *
+     * Callback that replace the default auto uploader
+     *
+     * @param mixed $callback
+     * @return grocery_CRUD
+     */
+    public function callback_upload($callback = null)
+    {
+        $this->callback_upload = $callback;
+
+        return $this;
+    }
+
+    /**
+     *
+     * A callback that triggered before the upload functionality. This callback is suggested for validation checks
+     * @param mixed $callback
+     * @return grocery_CRUD
+     */
+    public function callback_before_upload($callback = null)
+    {
+        $this->callback_before_upload = $callback;
+
+        return $this;
+    }
+
+    /**
+     *
+     * A callback that triggered after the upload functionality
+     * @param mixed $callback
+     * @return grocery_CRUD
+     */
+    public function callback_after_upload($callback = null)
+    {
+        $this->callback_after_upload = $callback;
+
+        return $this;
+
+    }
+
+    /**
+     *
+     * Gets the basic database table of our crud.
+     * @return string
+     */
+    public function get_table()
+    {
+        if($this->basic_db_table_checked)
+        {
+            return $this->basic_db_table;
+        }
+        elseif( $this->basic_db_table !== null )
+        {
+            if(!$this->table_exists($this->basic_db_table))
+            {
+                throw new Exception('The table name does not exist. Please check you database and try again.',11);
+                die();
+            }
+            $this->basic_db_table_checked = true;
+            return $this->basic_db_table;
+        }
+        else
+        {
+            //Last try , try to find the table from your view / function name!!! Not suggested but it works .
+            $last_chance_table_name = $this->get_method_name();
+            if($this->table_exists($last_chance_table_name))
+            {
+                $this->set_table($last_chance_table_name);
+            }
+            $this->basic_db_table_checked = true;
+            return $this->basic_db_table;
+
+        }
+
+        return false;
+    }
+
+    /**
+     *
+     * The field names of the required fields
+     */
+    public function required_fields()
+    {
+        $args = func_get_args();
+
+        if(isset($args[0]) && is_array($args[0]))
+        {
+            $args = $args[0];
+        }
+
+        $this->required_fields = $args;
+
+        return $this;
+    }
+
+    /**
+     * Add the fields that they are as UNIQUE in the database structure
+     *
+     * @return grocery_CRUD
+     */
+    public function unique_fields()
+    {
+        $args = func_get_args();
+
+        if(isset($args[0]) && is_array($args[0]))
+        {
+            $args = $args[0];
+        }
+
+        $this->_unique_fields = $args;
+
+        return $this;
+    }
+
+    /**
+     *
+     * Sets the basic database table that we will get our data.
+     * @param string $table_name
+     * @return grocery_CRUD
+     */
+    public function set_table($table_name)
+    {
+        if(!empty($table_name) && $this->basic_db_table === null)
+        {
+            $this->basic_db_table = $table_name;
+        }
+        elseif(!empty($table_name))
+        {
+            throw new Exception('You have already insert a table name once...', 1);
+        }
+        else
+        {
+            throw new Exception('The table name cannot be empty.', 2);
+            die();
+        }
+
+        return $this;
+    }
+
+    /**
+     * Set a full URL path to this method.
+     *
+     * This method is useful when the path is not specified correctly.
+     * Especially when we are using routes.
+     * For example:
+     * Let's say we have the path http://www.example.com/ however the original url path is
+     * http://www.example.com/example/index . We have to specify the url so we can have
+     * all the CRUD operations correctly.
+     * The url path has to be set from this method like this:
+     * <code>
+     * 		$crud->set_crud_url_path(site_url('example/index'));
+     * </code>
+     *
+     * @param string $crud_url_path
+     * @param string $list_url_path
+     * @return grocery_CRUD
+     */
+    public function set_crud_url_path($crud_url_path, $list_url_path = null)
+    {
+        $this->crud_url_path = $crud_url_path;
+
+        //If the list_url_path is empty so we are guessing that the list_url_path
+        //will be the same with crud_url_path
+        $this->list_url_path = !empty($list_url_path) ? $list_url_path : $crud_url_path;
+
+        return $this;
+    }
+
+    /**
+     *
+     * Set a subject to understand what type of CRUD you use.
      * ----------------------------------------------------------------------------------------------
      * Subject_plural: Sets the subject to its plural form. For example the plural
      * of "Customer" is "Customers", "Product" is "Products"... e.t.c.
-	 * @example In this CRUD we work with the table db_categories. The $subject will be the 'Category'
+     * @example In this CRUD we work with the table db_categories. The $subject will be the 'Category'
      * and the $subject_plural will be 'Categories'
-	 * @param string $subject
-	 * @param string $subject_plural
-	 * @return grocery_CRUD
-	 */
-	public function set_subject($subject, $subject_plural = null)
-	{
-		$this->subject = $subject;
+     * @param string $subject
+     * @param string $subject_plural
+     * @return grocery_CRUD
+     */
+    public function set_subject($subject, $subject_plural = null)
+    {
+        $this->subject = $subject;
         $this->subject_plural 	= $subject_plural === null ? $subject : $subject_plural;
 
-		return $this;
-	}
-
-	/**
-	 *
-	 * Enter description here ...
-	 * @param $title
-	 * @param $image_url
-	 * @param $url
-	 * @param $css_class
-	 * @param $url_callback
-	 */
-	public function add_action( $label, $image_url = '', $link_url = '', $css_class = '', $url_callback = null)
-	{
-		$unique_id = substr($label,0,1).substr(md5($label.$link_url),-8); //The unique id is used for class name so it must begin with a string
-
-		$this->actions[$unique_id]  = (object)array(
-			'label' 		=> $label,
-			'image_url' 	=> $image_url,
-			'link_url'		=> $link_url,
-			'css_class' 	=> $css_class,
-			'url_callback' 	=> $url_callback,
-			'url_has_http'	=> substr($link_url,0,7) == 'http://' || substr($link_url,0,8) == 'https://' ? true : false
-		);
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * Set a simple 1-n foreign key relation
-	 * @param string $field_name
-	 * @param string $related_table
-	 * @param string $related_title_field
-	 * @param mixed $where_clause
-	 * @param string $order_by
+        return $this;
+    }
+
+    /**
+     *
+     * Enter description here ...
+     * @param $title
+     * @param $image_url
+     * @param $url
+     * @param $css_class
+     * @param $url_callback
+     */
+    public function add_action( $label, $image_url = '', $link_url = '', $css_class = '', $url_callback = null)
+    {
+        $unique_id = substr($label,0,1).substr(md5($label.$link_url),-8); //The unique id is used for class name so it must begin with a string
+
+        $this->actions[$unique_id]  = (object)array(
+            'label' 		=> $label,
+            'image_url' 	=> $image_url,
+            'link_url'		=> $link_url,
+            'css_class' 	=> $css_class,
+            'url_callback' 	=> $url_callback,
+            'url_has_http'	=> substr($link_url,0,7) == 'http://' || substr($link_url,0,8) == 'https://' ? true : false
+        );
+
+        return $this;
+    }
+
+    /**
+     *
+     * Set a simple 1-n foreign key relation
+     * @param string $field_name
+     * @param string $related_table
+     * @param string $related_title_field
+     * @param mixed $where_clause
+     * @param string $order_by
      * @return Grocery_CRUD
-	 */
-	public function set_relation($field_name , $related_table, $related_title_field, $where_clause = null, $order_by = null)
-	{
-		$this->relation[$field_name] = array($field_name, $related_table,$related_title_field, $where_clause, $order_by);
-		return $this;
-	}
-
-	/**
-	 *
-	 * Sets a relation with n-n relationship.
-	 * @param string $field_name
-	 * @param string $relation_table
-	 * @param string $selection_table
-	 * @param string $primary_key_alias_to_this_table
-	 * @param string $primary_key_alias_to_selection_table
-	 * @param string $title_field_selection_table
-	 * @param string $priority_field_relation_table
-	 * @param mixed $where_clause
+     */
+    public function set_relation($field_name , $related_table, $related_title_field, $where_clause = null, $order_by = null)
+    {
+        $this->relation[$field_name] = array($field_name, $related_table,$related_title_field, $where_clause, $order_by);
+        return $this;
+    }
+
+    /**
+     *
+     * Sets a relation with n-n relationship.
+     * @param string $field_name
+     * @param string $relation_table
+     * @param string $selection_table
+     * @param string $primary_key_alias_to_this_table
+     * @param string $primary_key_alias_to_selection_table
+     * @param string $title_field_selection_table
+     * @param string $priority_field_relation_table
+     * @param mixed $where_clause
      * @return Grocery_CRUD
-	 */
-	public function set_relation_n_n($field_name, $relation_table, $selection_table, $primary_key_alias_to_this_table, $primary_key_alias_to_selection_table , $title_field_selection_table , $priority_field_relation_table = null, $where_clause = null)
-	{
-		$this->relation_n_n[$field_name] =
-			(object)array(
-				'field_name' => $field_name,
-				'relation_table' => $relation_table,
-				'selection_table' => $selection_table,
-				'primary_key_alias_to_this_table' => $primary_key_alias_to_this_table,
-				'primary_key_alias_to_selection_table' => $primary_key_alias_to_selection_table ,
-				'title_field_selection_table' => $title_field_selection_table ,
-				'priority_field_relation_table' => $priority_field_relation_table,
-				'where_clause' => $where_clause
-			);
-
-		return $this;
-	}
-
-	/**
-	 *
-	 * Transform a field to an upload field
-	 *
-	 * @param string $field_name
-	 * @param string $upload_path
+     */
+    public function set_relation_n_n($field_name, $relation_table, $selection_table, $primary_key_alias_to_this_table, $primary_key_alias_to_selection_table , $title_field_selection_table , $priority_field_relation_table = null, $where_clause = null)
+    {
+        $this->relation_n_n[$field_name] =
+            (object)array(
+                'field_name' => $field_name,
+                'relation_table' => $relation_table,
+                'selection_table' => $selection_table,
+                'primary_key_alias_to_this_table' => $primary_key_alias_to_this_table,
+                'primary_key_alias_to_selection_table' => $primary_key_alias_to_selection_table ,
+                'title_field_selection_table' => $title_field_selection_table ,
+                'priority_field_relation_table' => $priority_field_relation_table,
+                'where_clause' => $where_clause
+            );
+
+        return $this;
+    }
+
+    /**
+     *
+     * Transform a field to an upload field
+     *
+     * @param string $field_name
+     * @param string $upload_path
      * @return Grocery_CRUD
-	 */
-	public function set_field_upload($field_name, $upload_dir = '', $allowed_file_types = '')
-	{
-		$upload_dir = !empty($upload_dir) && substr($upload_dir,-1,1) == '/'
-						? substr($upload_dir,0,-1)
-						: $upload_dir;
-		$upload_dir = !empty($upload_dir) ? $upload_dir : 'assets/uploads/files';
-
-		/** Check if the upload Url folder exists. If not then throw an exception **/
-		if (!is_dir(FCPATH.$upload_dir)) {
-			throw new Exception("It seems that the folder \"".FCPATH.$upload_dir."\" for the field name
+     */
+    public function set_field_upload($field_name, $upload_dir = '', $allowed_file_types = '')
+    {
+        $upload_dir = !empty($upload_dir) && substr($upload_dir,-1,1) == '/'
+                        ? substr($upload_dir,0,-1)
+                        : $upload_dir;
+        $upload_dir = !empty($upload_dir) ? $upload_dir : 'assets/uploads/files';
+
+        /** Check if the upload Url folder exists. If not then throw an exception **/
+        if (!is_dir(FCPATH.$upload_dir)) {
+            throw new Exception("It seems that the folder \"".FCPATH.$upload_dir."\" for the field name
 					\"".$field_name."\" doesn't exists. Please create the folder and try again.");
-		}
-
-		$this->upload_fields[$field_name] = (object) array(
-				'field_name' => $field_name,
-				'upload_path' => $upload_dir,
-				'allowed_file_types' => $allowed_file_types,
-				'encrypted_field_name' => $this->_unique_field_name($field_name));
-		return $this;
-	}
+        }
+
+        $this->upload_fields[$field_name] = (object) array(
+                'field_name' => $field_name,
+                'upload_path' => $upload_dir,
+                'allowed_file_types' => $allowed_file_types,
+                'encrypted_field_name' => $this->_unique_field_name($field_name));
+        return $this;
+    }
 }
 
 if(defined('CI_VERSION'))
 {
-	$ci = &get_instance();
-	$ci->load->library('Form_validation');
-
-	class grocery_CRUD_Form_validation extends CI_Form_validation{
-
-		public $CI;
-		public $_field_data			= array();
-		public $_config_rules		= array();
-		public $_error_array		= array();
-		public $_error_messages		= array();
-		public $_error_prefix		= '<p>';
-		public $_error_suffix		= '</p>';
-		public $error_string		= '';
-		public $_safe_form_data		= FALSE;
-	}
+    $ci = &get_instance();
+    $ci->load->library('Form_validation');
+
+    class grocery_CRUD_Form_validation extends CI_Form_validation{
+
+        public $CI;
+        public $_field_data			= array();
+        public $_config_rules		= array();
+        public $_error_array		= array();
+        public $_error_messages		= array();
+        public $_error_prefix		= '<p>';
+        public $_error_suffix		= '</p>';
+        public $error_string		= '';
+        public $_safe_form_data		= FALSE;
+    }
 }
 
 /*
@@ -5258,19 +5258,19 @@ 
             // Or else for PHP >= 5.3.0 use: $this->options = array_replace_recursive($this->options, $options);
             foreach($options as $option_name => $option)
             {
-            	$this->options[$option_name] = $option;
+                $this->options[$option_name] = $option;
             }
         }
     }
 
     function getFullUrl() {
-      	return
-        		(isset($_SERVER['HTTPS']) ? 'https://' : 'http://').
-        		(isset($_SERVER['REMOTE_USER']) ? $_SERVER['REMOTE_USER'].'@' : '').
-        		(isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : ($_SERVER['SERVER_NAME'].
-        		(isset($_SERVER['HTTPS']) && $_SERVER['SERVER_PORT'] === 443 ||
-        		$_SERVER['SERVER_PORT'] === 80 ? '' : ':'.$_SERVER['SERVER_PORT']))).
-        		substr($_SERVER['SCRIPT_NAME'],0, strrpos($_SERVER['SCRIPT_NAME'], '/'));
+            return
+                (isset($_SERVER['HTTPS']) ? 'https://' : 'http://').
+                (isset($_SERVER['REMOTE_USER']) ? $_SERVER['REMOTE_USER'].'@' : '').
+                (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : ($_SERVER['SERVER_NAME'].
+                (isset($_SERVER['HTTPS']) && $_SERVER['SERVER_PORT'] === 443 ||
+                $_SERVER['SERVER_PORT'] === 80 ? '' : ':'.$_SERVER['SERVER_PORT']))).
+                substr($_SERVER['SCRIPT_NAME'],0, strrpos($_SERVER['SCRIPT_NAME'], '/'));
     }
 
     private function get_file_object($file_name) {
@@ -5356,26 +5356,26 @@ 
 
     private function has_error($uploaded_file, $file, $error) {
         if ($error) {
-			switch($error) {
-				case UPLOAD_ERR_INI_SIZE:
-					return 'The uploaded file exceeds the upload_max_filesize directive in php.ini.';
-					break;
-				case UPLOAD_ERR_PARTIAL:
-					return 'The uploaded file was only partially uploaded.';
-					break;
-				case UPLOAD_ERR_NO_FILE:
-					return 'No file was uploaded.';
-					break;
-				case UPLOAD_ERR_CANT_WRITE:
-					return 'Failed to write file to disk.';
-					break;
-				case UPLOAD_ERR_EXTENSION:
-					return 'File upload stopped by extension.';
-					break;
-				default:
-					return $error;
-					break;
-			}
+            switch($error) {
+                case UPLOAD_ERR_INI_SIZE:
+                    return 'The uploaded file exceeds the upload_max_filesize directive in php.ini.';
+                    break;
+                case UPLOAD_ERR_PARTIAL:
+                    return 'The uploaded file was only partially uploaded.';
+                    break;
+                case UPLOAD_ERR_NO_FILE:
+                    return 'No file was uploaded.';
+                    break;
+                case UPLOAD_ERR_CANT_WRITE:
+                    return 'Failed to write file to disk.';
+                    break;
+                case UPLOAD_ERR_EXTENSION:
+                    return 'File upload stopped by extension.';
+                    break;
+                default:
+                    return $error;
+                    break;
+            }
         }
         if (!preg_match($this->options['accept_file_types'], $file->name)) {
             return 'acceptFileTypes';
@@ -5425,43 +5425,43 @@ 
     }
 
     private function _transliterate_characters($file_name)
-	{
-		include($this->default_config_path.'/translit_chars.php');
-		if ( isset($translit_characters))
-		{
-			$file_name = preg_replace(array_keys($translit_characters), array_values($translit_characters), $file_name);
-		}
+    {
+        include($this->default_config_path.'/translit_chars.php');
+        if ( isset($translit_characters))
+        {
+            $file_name = preg_replace(array_keys($translit_characters), array_values($translit_characters), $file_name);
+        }
 
-		$file_name = preg_replace("/([^a-zA-Z0-9\.\-\_]+?){1}/i", '-', $file_name);
-		$file_name = str_replace(" ", "-", $file_name);
+        $file_name = preg_replace("/([^a-zA-Z0-9\.\-\_]+?){1}/i", '-', $file_name);
+        $file_name = str_replace(" ", "-", $file_name);
 
-		return preg_replace('/\-+/', '-', trim($file_name, '-'));
-	}
+        return preg_replace('/\-+/', '-', trim($file_name, '-'));
+    }
 
     private function orient_image($file_path) {
-      	$exif = exif_read_data($file_path);
-      	$orientation = intval(@$exif['Orientation']);
-      	if (!in_array($orientation, array(3, 6, 8))) {
-      	    return false;
-      	}
-      	$image = @imagecreatefromjpeg($file_path);
-      	switch ($orientation) {
-        	  case 3:
-          	    $image = @imagerotate($image, 180, 0);
-          	    break;
-        	  case 6:
-          	    $image = @imagerotate($image, 270, 0);
-          	    break;
-        	  case 8:
-          	    $image = @imagerotate($image, 90, 0);
-          	    break;
-          	default:
-          	    return false;
-      	}
-      	$success = imagejpeg($image, $file_path);
-      	// Free up memory (imagedestroy does not delete files):
-      	@imagedestroy($image);
-      	return $success;
+            $exif = exif_read_data($file_path);
+            $orientation = intval(@$exif['Orientation']);
+            if (!in_array($orientation, array(3, 6, 8))) {
+                return false;
+            }
+            $image = @imagecreatefromjpeg($file_path);
+            switch ($orientation) {
+                case 3:
+                  $image = @imagerotate($image, 180, 0);
+                    break;
+                case 6:
+                  $image = @imagerotate($image, 270, 0);
+                    break;
+                case 8:
+                  $image = @imagerotate($image, 90, 0);
+                    break;
+                default:
+                  return false;
+            }
+            $success = imagejpeg($image, $file_path);
+            // Free up memory (imagedestroy does not delete files):
+            @imagedestroy($image);
+            return $success;
     }
 
     private function handle_file_upload($uploaded_file, $name, $size, $type, $error) {
@@ -5496,9 +5496,9 @@ 
             }
             $file_size = filesize($file_path);
             if ($file_size === $file->size) {
-            		if ($this->options['orient_image']) {
-            		    $this->orient_image($file_path);
-            		}
+                    if ($this->options['orient_image']) {
+                        $this->orient_image($file_path);
+                    }
                 $file->url = $this->options['upload_url'].rawurlencode($file->name);
                 foreach($this->options['image_versions'] as $version => $options) {
                     if ($this->create_scaled_image($file->name, $options)) {

dashboard/application/views/errors/cli/error_general.php

Indentation +4 added lines, -4 removed lines

@@ -2,7 +2,7 @@
 defined('BASEPATH') OR exit('No direct script access allowed');
 
 echo "\nERROR: ",
-	$heading,
-	"\n\n",
-	$message,
-	"\n\n";
\ No newline at end of file
+    $heading,
+    "\n\n",
+    $message,
+    "\n\n";
\ No newline at end of file