chamilo / chamilo-lms

main/coursecopy/classes/ToolIntro.class.php

Indentation +75 added lines, -75 removed lines

@@ -10,82 +10,82 @@
  */
 class ToolIntro extends Coursecopy\Resource
 {
-	public $id;
+    public $id;
 
-	/**
-	 * intro text
-	 */
-	public $intro_text;
+    /**
+     * intro text
+     */
+    public $intro_text;
 
-	/**
-	 * Create a new text introduction
-	 * @param int $id The id of this tool introduction in the Chamilo-course
-	 * @param string $intro_text
-	 */
-	public function __construct($id, $intro_text)
-	{
-		parent::__construct($id, RESOURCE_TOOL_INTRO);
-		$this->id = $id;
-		$this->intro_text = $intro_text;
-	}
+    /**
+     * Create a new text introduction
+     * @param int $id The id of this tool introduction in the Chamilo-course
+     * @param string $intro_text
+     */
+    public function __construct($id, $intro_text)
+    {
+        parent::__construct($id, RESOURCE_TOOL_INTRO);
+        $this->id = $id;
+        $this->intro_text = $intro_text;
+    }
 
-	/**
-	 * Show this resource
-	 */
-	function show()
-	{
-		parent::show();
-		switch ($this->id)
-		{
-			case TOOL_DOCUMENT:
-				$lang_id = 'Documents';
-				break;
-			case TOOL_CALENDAR_EVENT:
-				$lang_id = 'Agenda';
-				break;
-			case TOOL_LINK:
-				$lang_id = 'Links';
-				break;
-			case TOOL_LEARNPATH:
-				$lang_id = 'LearningPath';
-				break;
-			case TOOL_ANNOUNCEMENT:
-				$lang_id = 'Announcements';
-				break;
-			case TOOL_FORUM:
-				$lang_id = 'Forums';
-				break;
-			case TOOL_DROPBOX:
-				$lang_id = 'Dropbox';
-				break;
-			case TOOL_QUIZ:
-				$lang_id = 'Exercises';
-				break;
-			case TOOL_USER:
-				$lang_id = 'Users';
-				break;
-			case TOOL_GROUP:
-				$lang_id = 'Group';
-				break;
-			case TOOL_WIKI:
-				$lang_id = 'Wiki';
-				break;
-			case TOOL_STUDENTPUBLICATION:
-				$lang_id = 'StudentPublications';
-				break;
-			case TOOL_COURSE_HOMEPAGE:
-				$lang_id = 'CourseHomepageLink';
-				break;
-			case TOOL_GLOSSARY:
-				$lang_id = 'Glossary';
-				break;
-			case TOOL_NOTEBOOK:
-				$lang_id = 'Notebook';
-				break;
-			default:
-				$lang_id = ucfirst($this->id); // This is a wild guess.
-		}
-		echo '<strong>'.get_lang($lang_id, '').':</strong><br />';
-		echo $this->intro_text;
-	}
+    /**
+     * Show this resource
+     */
+    function show()
+    {
+        parent::show();
+        switch ($this->id)
+        {
+            case TOOL_DOCUMENT:
+                $lang_id = 'Documents';
+                break;
+            case TOOL_CALENDAR_EVENT:
+                $lang_id = 'Agenda';
+                break;
+            case TOOL_LINK:
+                $lang_id = 'Links';
+                break;
+            case TOOL_LEARNPATH:
+                $lang_id = 'LearningPath';
+                break;
+            case TOOL_ANNOUNCEMENT:
+                $lang_id = 'Announcements';
+                break;
+            case TOOL_FORUM:
+                $lang_id = 'Forums';
+                break;
+            case TOOL_DROPBOX:
+                $lang_id = 'Dropbox';
+                break;
+            case TOOL_QUIZ:
+                $lang_id = 'Exercises';
+                break;
+            case TOOL_USER:
+                $lang_id = 'Users';
+                break;
+            case TOOL_GROUP:
+                $lang_id = 'Group';
+                break;
+            case TOOL_WIKI:
+                $lang_id = 'Wiki';
+                break;
+            case TOOL_STUDENTPUBLICATION:
+                $lang_id = 'StudentPublications';
+                break;
+            case TOOL_COURSE_HOMEPAGE:
+                $lang_id = 'CourseHomepageLink';
+                break;
+            case TOOL_GLOSSARY:
+                $lang_id = 'Glossary';
+                break;
+            case TOOL_NOTEBOOK:
+                $lang_id = 'Notebook';
+                break;
+            default:
+                $lang_id = ucfirst($this->id); // This is a wild guess.
+        }
+        echo '<strong>'.get_lang($lang_id, '').':</strong><br />';
+        echo $this->intro_text;
+    }
 }

main/coursecopy/classes/CourseSession.class.php

Indentation +18 added lines, -18 removed lines

@@ -11,24 +11,24 @@
 class CourseSession extends Coursecopy\Resource
 {
     // The title session
-	public $title;
+    public $title;
 
-	/**
-	 * Create a new Session
-	 * @param int $id
-	 * @param string $title
-	 */
-	public function __construct($id,$title)
-	{
-		parent::__construct($id, RESOURCE_SESSION_COURSE);
-		$this->title = $title;
-	}
+    /**
+     * Create a new Session
+     * @param int $id
+     * @param string $title
+     */
+    public function __construct($id,$title)
+    {
+        parent::__construct($id, RESOURCE_SESSION_COURSE);
+        $this->title = $title;
+    }
 
-	/**
-	 * Show this Event
-	 */
-	function show() {
-		parent::show();
-		echo $this->title;
-	}
+    /**
+     * Show this Event
+     */
+    function show() {
+        parent::show();
+        echo $this->title;
+    }
 }

main/search/index.php

Indentation +1 added lines, -1 removed lines

@@ -10,7 +10,7 @@
 $this_section =  SECTION_COURSES;
 
 if (extension_loaded('xapian')) {
-	require '../newscorm/lp_list_search.php';
+    require '../newscorm/lp_list_search.php';
 } else {
     Display::display_header(get_lang('Search'));
     Display::display_error_message(get_lang('SearchXapianModuleNotInstalled'));

main/social/home.php

Indentation +2 added lines, -2 removed lines

@@ -101,8 +101,8 @@
         $group_url = "group_view.php?id=$id";
 
         $result['name'] = '<div class="group-name">'.Display::url(
-                          api_ucwords(cut($result['name'], 40, true)), $group_url)
-                          .'</div><div class="count-username">'.
+                            api_ucwords(cut($result['name'], 40, true)), $group_url)
+                            .'</div><div class="count-username">'.
                             Display::returnFontAwesomeIcon('user').$result['count'].'</div>';
 
         $picture = $userGroup->get_picture_group(

main/social/vcard_export.php

Indentation +1 added lines, -1 removed lines

@@ -14,7 +14,7 @@
 api_block_anonymous_users();
 
 if (isset($_REQUEST['userId'])) {
-	$userId = intval($_REQUEST['userId']);
+    $userId = intval($_REQUEST['userId']);
 } else {
     api_not_allowed();
 }

main/social/index.php

Indentation +5 added lines, -5 removed lines

@@ -1,11 +1,11 @@
 <?php
 /* For licensing terms, see /chamilo_license.txt */
 /**
- * Redirect file for social network default page
- * @package chamilo.social
- */
+     * Redirect file for social network default page
+     * @package chamilo.social
+     */
 /**
- * Redirect
- */
+     * Redirect
+     */
 header('Location: profile.php');
 exit();

main/social/friends.php

Indentation +1 added lines, -1 removed lines

@@ -128,7 +128,7 @@
             if (isset($friends[$j])) {
                 $friend = $friends[$j];
                 $user_name = api_xml_http_response_encode($friend['firstName'].' '.$friend['lastName']);
-				$userPicture = UserManager::getUserPicture($friend['friend_user_id']);
+                $userPicture = UserManager::getUserPicture($friend['friend_user_id']);
 
                 $friend_html .= '
                     <div class="col-md-3">

main/permissions/group_permissions.inc.php

Indentation +52 added lines, -52 removed lines

@@ -15,27 +15,27 @@ 
 // ---------------------------------------------------
 if ($_POST['StoreGroupPermissions'] and $setting_visualisation=='checkbox')
 {
-	$result_message=store_permissions('group', $group_id);
-	if ($result_message)
-	{
-		Display::display_normal_message($result_message);
-	}
+    $result_message=store_permissions('group', $group_id);
+    if ($result_message)
+    {
+        Display::display_normal_message($result_message);
+    }
 }
 if (isset($_GET['action']))
 {
-	if (($_GET['action']=='grant' OR $_GET['action']=='revoke')  AND isset($_GET['permission']) AND isset($_GET['tool']))
-	{
-		$result_message=store_one_permission('group', $_GET['action'], $group_id, $_GET['tool'], $_GET['permission']);
-	}
-	if (isset($_GET['role']) AND ($_GET['action']=='grant' OR $_GET['action']=='revoke'))
-	{
-		$result_message=assign_role('group', $_GET['action'], $group_id, $_GET['role'], $_GET['scope']);
-		echo 'hier';
-	}
+    if (($_GET['action']=='grant' OR $_GET['action']=='revoke')  AND isset($_GET['permission']) AND isset($_GET['tool']))
+    {
+        $result_message=store_one_permission('group', $_GET['action'], $group_id, $_GET['tool'], $_GET['permission']);
+    }
+    if (isset($_GET['role']) AND ($_GET['action']=='grant' OR $_GET['action']=='revoke'))
+    {
+        $result_message=assign_role('group', $_GET['action'], $group_id, $_GET['role'], $_GET['scope']);
+        echo 'hier';
+    }
 }
 if (isset($result_message))
 {
-	Display::display_normal_message($result_message);
+    Display::display_normal_message($result_message);
 }
 
 // ---------------------------------------------------
@@ -59,11 +59,11 @@ 
 $inherited_permissions=limited_or_full($inherited_permissions);
 if (api_get_setting('permissions')=='limited')
 {
-	$header_array=$rights_limited;
+    $header_array=$rights_limited;
 }
 if (api_get_setting('permissions')=='full')
 {
-	$header_array=$rights_full;
+    $header_array=$rights_full;
 }
 
 echo "<form method=\"post\" action=\"".str_replace('&', '&amp;', $_SERVER['REQUEST_URI'])."\">";
@@ -72,12 +72,12 @@ 
 // ---------------------------------------------------
 if (api_get_setting('group_roles')=='true')
 {
-	// the list of the roles for the user
-	echo '<strong>'.get_lang('GroupRoles').'</strong><br />';
-	$current_group_course_roles=get_roles('group',$group_id);
-	$current_group_platform_roles=get_roles('group',$group_id, 'platform');
-	display_role_list($current_group_course_roles, $current_group_platform_roles);
-	echo '<br />';
+    // the list of the roles for the user
+    echo '<strong>'.get_lang('GroupRoles').'</strong><br />';
+    $current_group_course_roles=get_roles('group',$group_id);
+    $current_group_platform_roles=get_roles('group',$group_id, 'platform');
+    display_role_list($current_group_course_roles, $current_group_platform_roles);
+    echo '<br />';
 }
 
 
@@ -92,47 +92,47 @@ 
 echo "\t\t<th>".get_lang('Module')."</th>\n";
 foreach ($header_array as $header_key=>$header_value)
 {
-	echo "\t\t<th>".get_lang($header_value)."</th>\n";
+    echo "\t\t<th>".get_lang($header_value)."</th>\n";
 }
 echo "\t</tr>\n";
 
 // the main area with the checkboxes or images
 foreach ($tool_rights as $tool=>$rights) // $tool_rights contains all the possible tools and their rights
 {
-	echo "\t<tr>\n";
-	echo "\t\t<td>\n";
-	echo get_lang($tool);
-	echo "\t\t</td>\n";
+    echo "\t<tr>\n";
+    echo "\t\t<td>\n";
+    echo get_lang($tool);
+    echo "\t\t</td>\n";
 
-	foreach ($header_array as $key=>$value)
-	{
-		echo "\t\t<td align='center'>\n";
-		if (in_array($value,$rights))
-		{
-			if ($setting_visualisation=='checkbox')
-			{
-				//display_checkbox_matrix($current_group_permissions, $tool, $value);
-				display_checkbox_matrix($current_group_permissions, $tool, $value, $inherited_permissions,$course_admin);
-			}
-			if ($setting_visualisation=='image')
-			{
-				//display_image_matrix($current_group_permissions, $tool, $value);
-				display_image_matrix($current_group_permissions, $tool, $value,$inherited_permissions, $course_admin);
-			}
-		}
-		// note: in a later stage this part will be replaced by a function
-		// so that we can easily switch between a checkbox approach or an image approach
-		// where every click is in fact a change of status. In the checkbox approach you first have to
-		// do the changes and then store them by clicking the submit button.
-		echo "\t\t</td>\n";
-	}
-	echo "\t</tr>\n";
+    foreach ($header_array as $key=>$value)
+    {
+        echo "\t\t<td align='center'>\n";
+        if (in_array($value,$rights))
+        {
+            if ($setting_visualisation=='checkbox')
+            {
+                //display_checkbox_matrix($current_group_permissions, $tool, $value);
+                display_checkbox_matrix($current_group_permissions, $tool, $value, $inherited_permissions,$course_admin);
+            }
+            if ($setting_visualisation=='image')
+            {
+                //display_image_matrix($current_group_permissions, $tool, $value);
+                display_image_matrix($current_group_permissions, $tool, $value,$inherited_permissions, $course_admin);
+            }
+        }
+        // note: in a later stage this part will be replaced by a function
+        // so that we can easily switch between a checkbox approach or an image approach
+        // where every click is in fact a change of status. In the checkbox approach you first have to
+        // do the changes and then store them by clicking the submit button.
+        echo "\t\t</td>\n";
+    }
+    echo "\t</tr>\n";
 }
 
 echo "</table>\n";
 if ($setting_visualisation=='checkbox')
 {
-	echo "<input type=\"Submit\" name=\"StoreGroupPermissions\" value=\"".get_lang('StorePermissions')."\">";
+    echo "<input type=\"Submit\" name=\"StoreGroupPermissions\" value=\"".get_lang('StorePermissions')."\">";
 }
 echo "</form>";
 

main/permissions/permissions_functions.inc.php

Indentation +393 added lines, -393 removed lines

@@ -25,38 +25,38 @@ 
 function store_permissions($content, $id) {
     $course_id = api_get_course_int_id();
     
-	// Which database are we using (depending on the $content parameter)
-	if ($content=='user')
-	{
-		$table=Database::get_course_table(TABLE_PERMISSION_USER);
-		$id_field = user_id;
-	}
-	if ($content=='group')
-	{
-		$table=Database::get_course_table(TABLE_PERMISSION_GROUP);
-		$id_field = group_id;
-	}
-	if ($content=='role')
-	{
-		$table=Database::get_course_table(TABLE_ROLE_PERMISSION);
-		$id_field = role_id;
-	}
-
-	// We first delete all the existing permissions for that user/group/role
-	$sql="DELETE FROM $table  WHERE c_id = $course_id AND $id_field = '".Database::escape_string($id)."'";
-	$result=Database::query($sql);
+    // Which database are we using (depending on the $content parameter)
+    if ($content=='user')
+    {
+        $table=Database::get_course_table(TABLE_PERMISSION_USER);
+        $id_field = user_id;
+    }
+    if ($content=='group')
+    {
+        $table=Database::get_course_table(TABLE_PERMISSION_GROUP);
+        $id_field = group_id;
+    }
+    if ($content=='role')
+    {
+        $table=Database::get_course_table(TABLE_ROLE_PERMISSION);
+        $id_field = role_id;
+    }
 
-	// looping through the post values to find the permission (containing the string permission* )
-	foreach ($_POST as $key => $value)
-	{
-		if (strstr($key,"permission*"))
-		{
-			list($brol,$tool,$action)=explode("*",$key);
-			$sql="INSERT INTO $table (c_id, $id_field,tool,action) VALUES ($course_id, '".Database::escape_string($id)."','".Database::escape_string($tool)."','".Database::escape_string($action)."')";
-			$result=Database::query($sql);
-		}
-	}
-	return get_lang('PermissionsStored');
+    // We first delete all the existing permissions for that user/group/role
+    $sql="DELETE FROM $table  WHERE c_id = $course_id AND $id_field = '".Database::escape_string($id)."'";
+    $result=Database::query($sql);
+
+    // looping through the post values to find the permission (containing the string permission* )
+    foreach ($_POST as $key => $value)
+    {
+        if (strstr($key,"permission*"))
+        {
+            list($brol,$tool,$action)=explode("*",$key);
+            $sql="INSERT INTO $table (c_id, $id_field,tool,action) VALUES ($course_id, '".Database::escape_string($id)."','".Database::escape_string($tool)."','".Database::escape_string($action)."')";
+            $result=Database::query($sql);
+        }
+    }
+    return get_lang('PermissionsStored');
 }
 
 /**
@@ -70,50 +70,50 @@ 
 * @version 1.0
 */
 function store_one_permission($content, $action, $id, $tool,$permission) {
-	global $rights_full;
+    global $rights_full;
     $course_id = api_get_course_int_id();
-	// for some reason I don't know, he can't get to the $rights_full array, so commented the following lines out.
+    // for some reason I don't know, he can't get to the $rights_full array, so commented the following lines out.
 
-	// check
-	//if(!in_array($permission, $rights_full))
-	//{
-	//	return get_lang('Error');
-	//}
+    // check
+    //if(!in_array($permission, $rights_full))
+    //{
+    //	return get_lang('Error');
+    //}
 
-	// Which database are we using (depending on the $content parameter)
+    // Which database are we using (depending on the $content parameter)
     
-	if ($content=='user') {
-		$table=Database::get_course_table(TABLE_PERMISSION_USER);
-		$id_field = user_id;
-	}
-	if ($content=='group')
-	{
-		$table=Database::get_course_table(TABLE_PERMISSION_GROUP);
-		$id_field = group_id;
-	}
-	if ($content=='role')
-	{
-		$table=Database::get_course_table(TABLE_ROLE_PERMISSION);
-		$id_field = role_id;
-	}
+    if ($content=='user') {
+        $table=Database::get_course_table(TABLE_PERMISSION_USER);
+        $id_field = user_id;
+    }
+    if ($content=='group')
+    {
+        $table=Database::get_course_table(TABLE_PERMISSION_GROUP);
+        $id_field = group_id;
+    }
+    if ($content=='role')
+    {
+        $table=Database::get_course_table(TABLE_ROLE_PERMISSION);
+        $id_field = role_id;
+    }
 
-	// grating a right
-	if ($action=='grant') {
-		$sql="INSERT INTO $table (c_id, $id_field,tool,action) VALUES ($course_id, '".Database::escape_string($id)."','".Database::escape_string($tool)."','".Database::escape_string($permission)."')";
-		$result=Database::query($sql);
-		if($result) {
-			$result_message=get_lang('PermissionGranted');
-		}
-	}
-	if ($action=='revoke')
-	{
-		$sql="DELETE FROM $table WHERE c_id = $course_id AND $id_field = '".Database::escape_string($id)."' AND tool='".Database::escape_string($tool)."' AND action='".Database::escape_string($permission)."'";
-		$result=Database::query($sql);
-		if($result) {
-			$result_message=get_lang('PermissionRevoked');
-		}
-	}
-	return $result_message;
+    // grating a right
+    if ($action=='grant') {
+        $sql="INSERT INTO $table (c_id, $id_field,tool,action) VALUES ($course_id, '".Database::escape_string($id)."','".Database::escape_string($tool)."','".Database::escape_string($permission)."')";
+        $result=Database::query($sql);
+        if($result) {
+            $result_message=get_lang('PermissionGranted');
+        }
+    }
+    if ($action=='revoke')
+    {
+        $sql="DELETE FROM $table WHERE c_id = $course_id AND $id_field = '".Database::escape_string($id)."' AND tool='".Database::escape_string($tool)."' AND action='".Database::escape_string($permission)."'";
+        $result=Database::query($sql);
+        if($result) {
+            $result_message=get_lang('PermissionRevoked');
+        }
+    }
+    return $result_message;
 }
 
 /**
@@ -125,47 +125,47 @@ 
 */
 function get_permissions($content, $id) {
     $course_id = api_get_course_int_id();
-	$currentpermissions=array();
-	// Which database are we using (depending on the $content parameter)
+    $currentpermissions=array();
+    // Which database are we using (depending on the $content parameter)
     $course_id_condition = " c_id = $course_id AND ";
-	if ($content == 'user')
-	{
-		$table=Database::get_course_table(TABLE_PERMISSION_USER);
-		$id_field = 'user_id';
-	}
-	elseif ($content == 'group')
-	{
-		$table=Database::get_course_table(TABLE_PERMISSION_GROUP);
-		$id_field = 'group_id';
-	}
-	elseif ($content == 'role')
-	{
-		$table=Database::get_course_table(TABLE_ROLE_PERMISSION);
-		$id_field = 'role_id';
-	}
-	elseif ($content == 'platform_role')
-	{
-		$table=Database::get_main_table(TABLE_ROLE_PERMISSION);
-		$id_field = 'role_id';
+    if ($content == 'user')
+    {
+        $table=Database::get_course_table(TABLE_PERMISSION_USER);
+        $id_field = 'user_id';
+    }
+    elseif ($content == 'group')
+    {
+        $table=Database::get_course_table(TABLE_PERMISSION_GROUP);
+        $id_field = 'group_id';
+    }
+    elseif ($content == 'role')
+    {
+        $table=Database::get_course_table(TABLE_ROLE_PERMISSION);
+        $id_field = 'role_id';
+    }
+    elseif ($content == 'platform_role')
+    {
+        $table=Database::get_main_table(TABLE_ROLE_PERMISSION);
+        $id_field = 'role_id';
         $course_id_condition = '';
-	}
-	elseif ($content == 'task')
-	{
-		$table=Database::get_course_table(TABLE_BLOGS_TASKS_PERMISSIONS);
-		$id_field = 'task_id';
-	}
+    }
+    elseif ($content == 'task')
+    {
+        $table=Database::get_course_table(TABLE_BLOGS_TASKS_PERMISSIONS);
+        $id_field = 'task_id';
+    }
 
-	// finding all the permissions. We store this in a multidimensional array
-	// where the first dimension is the tool.
-	$sql="
+    // finding all the permissions. We store this in a multidimensional array
+    // where the first dimension is the tool.
+    $sql="
 		SELECT * FROM " . $table . "
 		WHERE $course_id_condition " . $id_field . "='" . Database::escape_string($id) . "'";
-	$result = Database::query($sql);
+    $result = Database::query($sql);
 
-	while($row = Database::fetch_array($result))
-		$currentpermissions[$row['tool']][] = $row['action'];
+    while($row = Database::fetch_array($result))
+        $currentpermissions[$row['tool']][] = $row['action'];
 
-	return $currentpermissions;
+    return $currentpermissions;
 }
 
 /**
@@ -179,38 +179,38 @@ 
 */
 function limited_or_full($current_permissions)
 {
-	if (api_get_setting('permissions')=='limited')
-	{
-		foreach ($current_permissions as $tool=>$tool_rights)
-		{
-			// we loop through the possible permissions of a tool and unset the entry if it is view
-			// if it is visibility or move we have to grant the edit right
-			foreach ($tool_rights as $key=>$value)
-			{
-				if ($value=='View')
-				{
-					unset($current_permissions[$tool][$key]);
-				}
-				if ($value=='Visibility' OR $value=='Move')
-				{
-					if (!in_array('Edit',$current_permissions[$tool]))
-					{
-						$current_permissions[$tool][]='Edit';
-					}
-					unset($current_permissions[$tool][$key]);
-				}
-				//else
-				//{
-				//	$current_permissions[$tool][]=$value;
-				//}
-			}
-		}
-		return $current_permissions;
-	}
-	if (api_get_setting('permissions')=='full')
-	{
-		return $current_permissions;
-	}
+    if (api_get_setting('permissions')=='limited')
+    {
+        foreach ($current_permissions as $tool=>$tool_rights)
+        {
+            // we loop through the possible permissions of a tool and unset the entry if it is view
+            // if it is visibility or move we have to grant the edit right
+            foreach ($tool_rights as $key=>$value)
+            {
+                if ($value=='View')
+                {
+                    unset($current_permissions[$tool][$key]);
+                }
+                if ($value=='Visibility' OR $value=='Move')
+                {
+                    if (!in_array('Edit',$current_permissions[$tool]))
+                    {
+                        $current_permissions[$tool][]='Edit';
+                    }
+                    unset($current_permissions[$tool][$key]);
+                }
+                //else
+                //{
+                //	$current_permissions[$tool][]=$value;
+                //}
+            }
+        }
+        return $current_permissions;
+    }
+    if (api_get_setting('permissions')=='full')
+    {
+        return $current_permissions;
+    }
 }
 /**
 * This function displays a checked or unchecked checkbox. The checkbox will be checked if the
@@ -224,12 +224,12 @@ 
 */
 function display_checkbox_matrix($permission_array, $tool, $permission, $inherited_permissions=array())
 {
-	$checked="";
-	if (is_array($permission_array[$tool]) AND in_array($permission,$permission_array[$tool]))
-	{
-		$checked="checked";
-	}
-	echo "\t\t\t<input type=\"checkbox\" name=\"permission*$tool*$permission\" $checked>\n";
+    $checked="";
+    if (is_array($permission_array[$tool]) AND in_array($permission,$permission_array[$tool]))
+    {
+        $checked="checked";
+    }
+    echo "\t\t\t<input type=\"checkbox\" name=\"permission*$tool*$permission\" $checked>\n";
 
 }
 
@@ -245,62 +245,62 @@ 
 */
 function display_image_matrix($permission_array, $tool, $permission,$inherited_permissions=array(), $course_admin=false, $editable=true)
 {
-	if ($course_admin) {
-		echo "\t\t\t<img src=\"../img/checkbox_on3.gif\" border=\"0\"/ title=\"".get_lang('PermissionGrantedByGroupOrRole')."\">";
-	} else {
-		if (in_array($permission,$inherited_permissions[$tool])) {
-			echo "\t\t\t<img src=\"../img/checkbox_on3.gif\" border=\"0\"/ title=\"".get_lang('PermissionGrantedByGroupOrRole')."\">";
-		} else {
-			if (is_array($permission_array[$tool]) AND in_array($permission,$permission_array[$tool])) {
-				if ($editable) {
-					$url=api_get_self();
-					$urlparameters = '';
-					foreach($_GET as $key=>$value) {
-						$parameter[$key]=$value;
-					}
-					$parameter['action']='revoke';
-					$parameter['permission']=$permission;
-					$parameter['tool']=$tool;
-					foreach ($parameter as $key=>$value) {
-						$urlparameters.=$key.'='.$value.'&amp;';
-					}
-					$url=$url.'?'.$urlparameters;
-
-					echo "\t\t\t <a href=\"".$url."\">";
-				}
-				echo "<img src=\"../img/checkbox_on2.gif\" border=\"0\"/>";
-				if ($editable) {
-					echo "</a>";
-				}
-			} else {
-				if ($editable)
-				{
-					$url=api_get_self();
-					$urlparameters = '';
-					foreach ($_GET as $key=>$value)
-					{
-						$parameter[$key]=$value;
-					}
-					$parameter['action']='grant';
-					$parameter['permission']=$permission;
-					$parameter['tool']=$tool;
-					foreach ($parameter as $key=>$value)
-					{
-						$urlparameters.=$key.'='.$value.'&amp;';
-					}
-					$url=$url.'?'.$urlparameters;
-
-					//echo "\t\t\t <a href=\"".str_replace('&', '&amp;', $_SERVER['REQUEST_URI'])."&amp;action=grant&amp;permission=$permission&amp;tool=$tool\">";
-					echo "\t\t\t <a href=\"".$url."\">";
-				}
-				echo "<img src=\"../img/wrong.gif\" border=\"0\"/>";
-				if ($editable)
-				{
-					echo "</a>";
-				}
-			}
-		}
-	}
+    if ($course_admin) {
+        echo "\t\t\t<img src=\"../img/checkbox_on3.gif\" border=\"0\"/ title=\"".get_lang('PermissionGrantedByGroupOrRole')."\">";
+    } else {
+        if (in_array($permission,$inherited_permissions[$tool])) {
+            echo "\t\t\t<img src=\"../img/checkbox_on3.gif\" border=\"0\"/ title=\"".get_lang('PermissionGrantedByGroupOrRole')."\">";
+        } else {
+            if (is_array($permission_array[$tool]) AND in_array($permission,$permission_array[$tool])) {
+                if ($editable) {
+                    $url=api_get_self();
+                    $urlparameters = '';
+                    foreach($_GET as $key=>$value) {
+                        $parameter[$key]=$value;
+                    }
+                    $parameter['action']='revoke';
+                    $parameter['permission']=$permission;
+                    $parameter['tool']=$tool;
+                    foreach ($parameter as $key=>$value) {
+                        $urlparameters.=$key.'='.$value.'&amp;';
+                    }
+                    $url=$url.'?'.$urlparameters;
+
+                    echo "\t\t\t <a href=\"".$url."\">";
+                }
+                echo "<img src=\"../img/checkbox_on2.gif\" border=\"0\"/>";
+                if ($editable) {
+                    echo "</a>";
+                }
+            } else {
+                if ($editable)
+                {
+                    $url=api_get_self();
+                    $urlparameters = '';
+                    foreach ($_GET as $key=>$value)
+                    {
+                        $parameter[$key]=$value;
+                    }
+                    $parameter['action']='grant';
+                    $parameter['permission']=$permission;
+                    $parameter['tool']=$tool;
+                    foreach ($parameter as $key=>$value)
+                    {
+                        $urlparameters.=$key.'='.$value.'&amp;';
+                    }
+                    $url=$url.'?'.$urlparameters;
+
+                    //echo "\t\t\t <a href=\"".str_replace('&', '&amp;', $_SERVER['REQUEST_URI'])."&amp;action=grant&amp;permission=$permission&amp;tool=$tool\">";
+                    echo "\t\t\t <a href=\"".$url."\">";
+                }
+                echo "<img src=\"../img/wrong.gif\" border=\"0\"/>";
+                if ($editable)
+                {
+                    echo "</a>";
+                }
+            }
+        }
+    }
 }
 
 
@@ -318,72 +318,72 @@ 
 function display_image_matrix_for_blogs($permission_array, $user_id, $tool, $permission,$inherited_permissions=array(), $course_admin=false, $editable=true)
 {
 
-	if ($course_admin)
-	{
-		echo "\t\t\t<img src=\"../img/checkbox_on3.gif\" border=\"0\"/ title=\"".get_lang('PermissionGrantedByGroupOrRole')."\">";
-	}
-	else
-	{
-		if (!empty($inherited_permissions) and in_array($permission,$inherited_permissions[$tool]))
-		{
-			echo "\t\t\t<img src=\"../img/checkbox_on3.gif\" border=\"0\"/ title=\"".get_lang('PermissionGrantedByGroupOrRole')."\">";
-		}
-		else
-		{
-			if (is_array($permission_array[$tool]) AND in_array($permission,$permission_array[$tool]))
-			{
-				if ($editable)
-				{
-					$url = api_get_self();
-					$urlparameters = '';
-					foreach($_GET as $key => $value)
-					{
-						$parameter[$key] = $value;
-					}
-					$parameter['action']='manage_rights';
-					$parameter['do']='revoke';
-					$parameter['permission']=$permission;
-					$parameter['tool']=$tool;
-					$parameter['user_id']=$user_id;
-					foreach ($parameter as $key=>$value)
-					{
-						$urlparameters .= $key . '=' . $value . '&amp;';
-					}
-					$url = $url . '?' . $urlparameters;
-
-					echo "\t\t\t <a href=\"".$url."\">";
-				}
-				echo "<img src=\"../img/checkbox_on2.gif\" border=\"0\"/ title=\"".get_lang('UserHasPermission')."\">";
-				if ($editable) {
-					echo "</a>";
-				}
-			} else {
-				if ($editable) {
-					$url = api_get_self();
-					$urlparameters = '';
-					foreach ($_GET as $key=>$value) {
-						$parameter[$key]=$value;
-					}
-					$parameter['action']='manage_rights';
-					$parameter['do']='grant';
-					$parameter['permission']=$permission;
-					$parameter['tool']=$tool;
-					$parameter['user_id']=$user_id;
-					foreach ($parameter as $key=>$value) {
-						$urlparameters .= $key . '=' . $value . '&amp;';
-					}
-					$url=$url.'?'.$urlparameters;
-
-					//echo "\t\t\t <a href=\"".str_replace('&', '&amp;', $_SERVER['REQUEST_URI'])."&amp;action=grant&amp;permission=$permission&amp;tool=$tool\">";
-					echo "\t\t\t <a href=\"".$url."\">";
-				}
-				echo "<img src=\"../img/wrong.gif\" border=\"0\"/ title=\"".get_lang('UserHasPermissionNot')."\">";
-				if ($editable) {
-					echo "</a>";
-				}
-			}
-		}
-	}
+    if ($course_admin)
+    {
+        echo "\t\t\t<img src=\"../img/checkbox_on3.gif\" border=\"0\"/ title=\"".get_lang('PermissionGrantedByGroupOrRole')."\">";
+    }
+    else
+    {
+        if (!empty($inherited_permissions) and in_array($permission,$inherited_permissions[$tool]))
+        {
+            echo "\t\t\t<img src=\"../img/checkbox_on3.gif\" border=\"0\"/ title=\"".get_lang('PermissionGrantedByGroupOrRole')."\">";
+        }
+        else
+        {
+            if (is_array($permission_array[$tool]) AND in_array($permission,$permission_array[$tool]))
+            {
+                if ($editable)
+                {
+                    $url = api_get_self();
+                    $urlparameters = '';
+                    foreach($_GET as $key => $value)
+                    {
+                        $parameter[$key] = $value;
+                    }
+                    $parameter['action']='manage_rights';
+                    $parameter['do']='revoke';
+                    $parameter['permission']=$permission;
+                    $parameter['tool']=$tool;
+                    $parameter['user_id']=$user_id;
+                    foreach ($parameter as $key=>$value)
+                    {
+                        $urlparameters .= $key . '=' . $value . '&amp;';
+                    }
+                    $url = $url . '?' . $urlparameters;
+
+                    echo "\t\t\t <a href=\"".$url."\">";
+                }
+                echo "<img src=\"../img/checkbox_on2.gif\" border=\"0\"/ title=\"".get_lang('UserHasPermission')."\">";
+                if ($editable) {
+                    echo "</a>";
+                }
+            } else {
+                if ($editable) {
+                    $url = api_get_self();
+                    $urlparameters = '';
+                    foreach ($_GET as $key=>$value) {
+                        $parameter[$key]=$value;
+                    }
+                    $parameter['action']='manage_rights';
+                    $parameter['do']='grant';
+                    $parameter['permission']=$permission;
+                    $parameter['tool']=$tool;
+                    $parameter['user_id']=$user_id;
+                    foreach ($parameter as $key=>$value) {
+                        $urlparameters .= $key . '=' . $value . '&amp;';
+                    }
+                    $url=$url.'?'.$urlparameters;
+
+                    //echo "\t\t\t <a href=\"".str_replace('&', '&amp;', $_SERVER['REQUEST_URI'])."&amp;action=grant&amp;permission=$permission&amp;tool=$tool\">";
+                    echo "\t\t\t <a href=\"".$url."\">";
+                }
+                echo "<img src=\"../img/wrong.gif\" border=\"0\"/ title=\"".get_lang('UserHasPermissionNot')."\">";
+                if ($editable) {
+                    echo "</a>";
+                }
+            }
+        }
+    }
 }
 
 
@@ -394,11 +394,11 @@ 
 */
 function display_role_list($current_course_roles, $current_platform_roles)
 {
-	global $setting_visualisation;
+    global $setting_visualisation;
     $course_id = api_get_course_int_id();
 
-	$coures_roles_table=Database::get_course_table(TABLE_ROLE);
-	$platform_roles_table=Database::get_main_table(TABLE_ROLE);
+    $coures_roles_table=Database::get_course_table(TABLE_ROLE);
+    $platform_roles_table=Database::get_main_table(TABLE_ROLE);
 /*
 	// platform roles
 	$sql="SELECT * FROM $platform_roles_table";
@@ -429,36 +429,36 @@ 
 		echo $row['role_comment']."<br />\n";
 	}
 */
-	// course roles
-	$sql="SELECT * FROM $coures_roles_table WHERE c_id = $course_id ";
-	$result=Database::query($sql);
-	while ($row=Database::fetch_array($result))
-	{
-		if (in_array($row['role_id'], $current_course_roles))
-		{
-			$checked='checked';
-			$image='checkbox_on2.gif';
-			$action='revoke';
-		}
-		else
-		{
-			$checked='';
-			$image='wrong.gif';
-			$action='grant';
-		}
-		if ($setting_visualisation=='checkbox')
-		{
-			echo "<input type=\"checkbox\" name=\"role*course*".$row['role_id']."\" $checked>";
-		}
-		if ($setting_visualisation=='image')
-		{
-			echo "<a href=\"".str_replace('&', '&amp;', $_SERVER['REQUEST_URI'])."&amp;action=$action&amp;role=".$row['role_id']."&amp;scope=course\"><img src=\"../img/".$image."\" border=\"0\"/></a>";
-		}
-
-
-		echo $row['role_name']." <a href=\"../permissions/roles.php?role_id=".$row['role_id']."&amp;scope=course\"><img src=\"../img/edit.gif\" /></a><br />\n";
-		echo $row['role_comment']."<br />\n";
-	}
+    // course roles
+    $sql="SELECT * FROM $coures_roles_table WHERE c_id = $course_id ";
+    $result=Database::query($sql);
+    while ($row=Database::fetch_array($result))
+    {
+        if (in_array($row['role_id'], $current_course_roles))
+        {
+            $checked='checked';
+            $image='checkbox_on2.gif';
+            $action='revoke';
+        }
+        else
+        {
+            $checked='';
+            $image='wrong.gif';
+            $action='grant';
+        }
+        if ($setting_visualisation=='checkbox')
+        {
+            echo "<input type=\"checkbox\" name=\"role*course*".$row['role_id']."\" $checked>";
+        }
+        if ($setting_visualisation=='image')
+        {
+            echo "<a href=\"".str_replace('&', '&amp;', $_SERVER['REQUEST_URI'])."&amp;action=$action&amp;role=".$row['role_id']."&amp;scope=course\"><img src=\"../img/".$image."\" border=\"0\"/></a>";
+        }
+
+
+        echo $row['role_name']." <a href=\"../permissions/roles.php?role_id=".$row['role_id']."&amp;scope=course\"><img src=\"../img/edit.gif\" /></a><br />\n";
+        echo $row['role_comment']."<br />\n";
+    }
 }
 
 /**
@@ -472,24 +472,24 @@ 
 */
 function get_roles($content,$id, $scope='course') {
     $course_id  = api_get_course_int_id();    
-	if ($content=='user') {
-		$table=Database::get_course_table(TABLE_ROLE_USER);
-		$id_field = user_id;
-	}
-	if ($content=='group') {
-		$table=Database::get_course_table(TABLE_ROLE_GROUP);
-		$id_field = 'group_id';
-	}
-	$table_role=Database::get_course_table(TABLE_ROLE);
-
-	$current_roles=array();
-	//$sql="SELECT role.role_id FROM $table role_group_user, $table_role role WHERE role_group_user.$id_field = '$id' AND role_group_user.role_id=role.role_id AND role_group_user.scope='".$scope."'";$sql="SELECT role.role_id FROM $table role_group_user, $table_role role WHERE role_group_user.$id_field = '$id' AND role_group_user.role_id=role.role_id AND role_group_user.scope='".$scope."'";
-	$sql="SELECT role_id FROM $table WHERE c_id = $course_id AND $id_field = '$id' AND scope='".$scope."'";
-	$result=Database::query($sql);
-	while ($row=Database::fetch_array($result)) {
-		$current_roles[]=$row['role_id'];
-	}
-	return $current_roles;
+    if ($content=='user') {
+        $table=Database::get_course_table(TABLE_ROLE_USER);
+        $id_field = user_id;
+    }
+    if ($content=='group') {
+        $table=Database::get_course_table(TABLE_ROLE_GROUP);
+        $id_field = 'group_id';
+    }
+    $table_role=Database::get_course_table(TABLE_ROLE);
+
+    $current_roles=array();
+    //$sql="SELECT role.role_id FROM $table role_group_user, $table_role role WHERE role_group_user.$id_field = '$id' AND role_group_user.role_id=role.role_id AND role_group_user.scope='".$scope."'";$sql="SELECT role.role_id FROM $table role_group_user, $table_role role WHERE role_group_user.$id_field = '$id' AND role_group_user.role_id=role.role_id AND role_group_user.scope='".$scope."'";
+    $sql="SELECT role_id FROM $table WHERE c_id = $course_id AND $id_field = '$id' AND scope='".$scope."'";
+    $result=Database::query($sql);
+    while ($row=Database::fetch_array($result)) {
+        $current_roles[]=$row['role_id'];
+    }
+    return $current_roles;
 }
 
 /**
@@ -502,25 +502,25 @@ 
     $course_id = api_get_course_int_id();
     $course_id_condition = " WHERE c_id = $course_id ";
     
-	if ($content=='course')
-	{
-		$table_role=Database::get_course_table(TABLE_ROLE);
-	}
-	if ($content=='platform')
-	{
-		$table_role=Database::get_main_table(TABLE_ROLE);
-		$course_id_condition = '';
-	}
+    if ($content=='course')
+    {
+        $table_role=Database::get_course_table(TABLE_ROLE);
+    }
+    if ($content=='platform')
+    {
+        $table_role=Database::get_main_table(TABLE_ROLE);
+        $course_id_condition = '';
+    }
 
-	$current_roles=array();
-	$sql="SELECT * FROM $table_role $course_id_condition ";
-	$result=Database::query($sql);
-	while ($row=Database::fetch_array($result))
-	{
-		$roles[]=$row;
-	}
+    $current_roles=array();
+    $sql="SELECT * FROM $table_role $course_id_condition ";
+    $result=Database::query($sql);
+    while ($row=Database::fetch_array($result))
+    {
+        $roles[]=$row;
+    }
 
-	return $roles;
+    return $roles;
 }
 
 
@@ -536,34 +536,34 @@ 
 */
 function get_roles_permissions($content,$id, $scope='course') {
     $course_id = api_get_course_int_id();
-	if ($content == 'user') {
-		$table=Database::get_course_table(TABLE_ROLE_USER);
-		$id_field = 'user_id';
-	}
+    if ($content == 'user') {
+        $table=Database::get_course_table(TABLE_ROLE_USER);
+        $id_field = 'user_id';
+    }
 
-	if ($content == 'group') {
-		$table = Database::get_course_table(TABLE_ROLE_GROUP);
-		$id_field = 'group_id';
-	}
+    if ($content == 'group') {
+        $table = Database::get_course_table(TABLE_ROLE_GROUP);
+        $id_field = 'group_id';
+    }
 
-	// course roles or platform roles
-	$scope = 'course';
-	if ($scope == 'course') {
-		$table_role = Database::get_course_table(TABLE_ROLE);
-		$table_role_permissions = Database::get_course_table(TABLE_ROLE_PERMISSION);
+    // course roles or platform roles
+    $scope = 'course';
+    if ($scope == 'course') {
+        $table_role = Database::get_course_table(TABLE_ROLE);
+        $table_role_permissions = Database::get_course_table(TABLE_ROLE_PERMISSION);
         
         $role_condition = " role.c_id = $course_id AND role_permissions.c_id = $course_id AND ";
-	}
+    }
 
-	if ($scope == 'platform') {
-		$table_role = Database::get_main_table(TABLE_ROLE);
-		$table_role_permissions = Database::get_main_table(TABLE_ROLE_PERMISSION);
+    if ($scope == 'platform') {
+        $table_role = Database::get_main_table(TABLE_ROLE);
+        $table_role_permissions = Database::get_main_table(TABLE_ROLE_PERMISSION);
         $role_condition = '';
-	}
+    }
 
-	$current_roles = array();
+    $current_roles = array();
 
-	$sql = "
+    $sql = "
 		SELECT *
 		FROM
 			" . $table . " role_group_user,
@@ -577,12 +577,12 @@ 
 			role_group_user.role_id = role.role_id AND
 			role.role_id = role_permissions.role_id";
 
-	$result = Database::query($sql);
+    $result = Database::query($sql);
     $current_role_permissions = array();
-	while ($row=Database::fetch_array($result)) {
-		$current_role_permissions[$row['tool']][]=$row['action'];
+    while ($row=Database::fetch_array($result)) {
+        $current_role_permissions[$row['tool']][]=$row['action'];
     }
-	return $current_role_permissions;
+    return $current_role_permissions;
 }
 
 /**
@@ -596,34 +596,34 @@ 
 
 function assign_role($content, $action, $id, $role_id, $scope='course') {
     $course_id = api_get_course_int_id();
-	// Which database are we using (depending on the $content parameter)
-	if ($content=='user') {
-		$table=Database::get_course_table(TABLE_ROLE_USER);
-		$id_field = 'user_id';
-	} elseif($content=='group') {
-		$table=Database::get_course_table(TABLE_ROLE_GROUP);
-		$id_field = 'group_id';
-	} else {
-		return  get_lang('Error');
-	}
+    // Which database are we using (depending on the $content parameter)
+    if ($content=='user') {
+        $table=Database::get_course_table(TABLE_ROLE_USER);
+        $id_field = 'user_id';
+    } elseif($content=='group') {
+        $table=Database::get_course_table(TABLE_ROLE_GROUP);
+        $id_field = 'group_id';
+    } else {
+        return  get_lang('Error');
+    }
 
-	// grating a right
-	if ($action=='grant') {
-		$sql="INSERT INTO $table (c_id, role_id, scope, $id_field) VALUES ($course_id, '".Database::escape_string($role_id)."','".Database::escape_string($scope)."','".Database::escape_string($id)."')";
-		$result=Database::query($sql);
-		if ($result) {
-			$result_message=get_lang('RoleGranted');
-		}
-	}
+    // grating a right
+    if ($action=='grant') {
+        $sql="INSERT INTO $table (c_id, role_id, scope, $id_field) VALUES ($course_id, '".Database::escape_string($role_id)."','".Database::escape_string($scope)."','".Database::escape_string($id)."')";
+        $result=Database::query($sql);
+        if ($result) {
+            $result_message=get_lang('RoleGranted');
+        }
+    }
     
-	if ($action=='revoke') {
-		$sql="DELETE FROM $table WHERE c_id = $course_id AND $id_field = '".Database::escape_string($id)."' AND role_id='".Database::escape_string($role_id)."'";
-		$result=Database::query($sql);
-		if ($result) {
-			$result_message=get_lang('RoleRevoked');
-		}
-	}
-	return $result_message;
+    if ($action=='revoke') {
+        $sql="DELETE FROM $table WHERE c_id = $course_id AND $id_field = '".Database::escape_string($id)."' AND role_id='".Database::escape_string($role_id)."'";
+        $result=Database::query($sql);
+        if ($result) {
+            $result_message=get_lang('RoleRevoked');
+        }
+    }
+    return $result_message;
 }
 
 
@@ -633,21 +633,21 @@ 
 */
 function permission_array_merge($array1, $array2)
 {
-	foreach ($array2 as $tool=>$permissions)
-	{
-		foreach ($permissions as $permissionkey=>$permissionvalue)
-		{
-			$array1[$tool][]=$permissionvalue;
-		}
-	}
-	return $array1;
+    foreach ($array2 as $tool=>$permissions)
+    {
+        foreach ($permissions as $permissionkey=>$permissionvalue)
+        {
+            $array1[$tool][]=$permissionvalue;
+        }
+    }
+    return $array1;
 }
 
 
 function my_print_r($array)
 {
-	echo '<pre>';
-	print_r($array);
-	echo '</pre>';
+    echo '<pre>';
+    print_r($array);
+    echo '</pre>';
 }
 ?>