eventespresso / event-espresso-core

core/libraries/form_sections/base/EE_Model_Form_Section.form.php

Indentation +455 added lines, -455 removed lines

@@ -14,459 +14,459 @@
 class EE_Model_Form_Section extends EE_Form_Section_Proper
 {
 
-    /**
-     * @var EEM_Base
-     */
-    protected $_model = null;
-
-    /**
-     * @var EE_Base_Class
-     */
-    protected $_model_object = null;
-
-
-
-    /**
-     * @param array        $options_array   keys: {
-     * @type EEM_Base      $model
-     * @type EE_Base_Class $model_object
-     * @type array         $subsection_args array keys should be subsection names (that either do or will exist), and
-     *       values are the arrays as you would pass them to that subsection
-     *                                      }
-     * @throws EE_Error
-     */
-    public function __construct($options_array = array())
-    {
-        if (isset($options_array['model']) && $options_array['model'] instanceof EEM_Base) {
-            $this->_model = $options_array['model'];
-        }
-        if (! $this->_model || ! $this->_model instanceof EEM_Base) {
-            throw new EE_Error(sprintf(__(
-                "Model Form Sections must first specify the _model property to be a subclass of EEM_Base",
-                "event_espresso"
-            )));
-        }
-        if (isset($options_array['subsection_args'])) {
-            $subsection_args = $options_array['subsection_args'];
-        } else {
-            $subsection_args = array();
-        }
-        // gather fields and relations to convert to inputs
-        // but if they're just going to exclude a field anyways, don't bother converting it to an input
-        $exclude = $this->_subsections;
-        if (isset($options_array['exclude'])) {
-            $exclude = array_merge($exclude, array_flip($options_array['exclude']));
-        }
-        $model_fields = array_diff_key($this->_model->field_settings(), $exclude);
-        $model_relations = array_diff_key($this->_model->relation_settings(), $exclude);
-        // convert fields and relations to inputs
-        $this->_subsections = array_merge(
-            $this->_convert_model_fields_to_inputs($model_fields),
-            $this->_convert_model_relations_to_inputs($model_relations, $subsection_args),
-            $this->_subsections
-        );
-        parent::__construct($options_array);
-        if (isset($options_array['model_object']) && $options_array['model_object'] instanceof EE_Base_Class) {
-            $this->populate_model_obj($options_array['model_object']);
-        }
-    }
-
-
-
-    /**
-     * For now, just makes inputs for only HABTM relations
-     *
-     * @param EE_Model_Relation_Base[] $relations
-     * @param array                    $subsection_args keys should be existing or soon-to-be-existing input names, and
-     *                                                  their values are {
-     * @type array {
-     * @type EE_Base_Class[]           $model_objects   if the subsection is an EE_Select_Multi_Model_Input
-     *                                                  }
-     *                                                  }
-     * @return array
-     */
-    protected function _convert_model_relations_to_inputs($relations, $subsection_args = array())
-    {
-        $inputs = array();
-        foreach ($relations as $relation_name => $relation_obj) {
-            $input_constructor_args = array(
-                array_merge(
-                    array(
-                        'required'        => $relation_obj instanceof EE_Belongs_To_Relation,
-                        'html_label_text' => $relation_obj instanceof EE_Belongs_To_Relation
-                            ? $relation_obj->get_other_model()->item_name(1)
-                            : $relation_obj->get_other_model()
-                                           ->item_name(2),
-                    ),
-                    $subsection_args
-                ),
-            );
-            $input = null;
-            switch (get_class($relation_obj)) {
-                case 'EE_HABTM_Relation':
-                    if (isset($subsection_args[ $relation_name ])
-                        && isset($subsection_args[ $relation_name ]['model_objects'])
-                    ) {
-                        $model_objects = $subsection_args[ $relation_name ]['model_objects'];
-                    } else {
-                        $model_objects = $relation_obj->get_other_model()->get_all();
-                    }
-                    $input = new EE_Select_Multi_Model_Input($model_objects, $input_constructor_args);
-                    break;
-                default:
-            }
-            if ($input) {
-                $inputs[ $relation_name ] = $input;
-            }
-        }
-        return $inputs;
-    }
-
-
-
-    /**
-     * Changes model fields into form section inputs
-     *
-     * @param EE_Model_Field_Base[] $model_fields keys are the model's name
-     * @throws EE_Error
-     * @return EE_Form_Input_Base[]
-     */
-    protected function _convert_model_fields_to_inputs($model_fields = array())
-    {
-        $inputs = array();
-        foreach ($model_fields as $field_name => $model_field) {
-            if ($model_field instanceof EE_Model_Field_Base) {
-                $input_constructor_args = array(
-                    array(
-                        'required'        => ! $model_field->is_nullable()
-                                             && $model_field->get_default_value()
-                                                === null,
-                        'html_label_text' => $model_field->get_nicename(),
-                        'default'         => $model_field->get_default_value(),
-                    ),
-                );
-                switch (get_class($model_field)) {
-                    case 'EE_All_Caps_Text_Field':
-                    case 'EE_Any_Foreign_Model_Name_Field':
-                        $input_class = 'EE_Text_Input';
-                        break;
-                    case 'EE_Boolean_Field':
-                        $input_class = 'EE_Yes_No_Input';
-                        break;
-                    case 'EE_Datetime_Field':
-                        throw new EE_Error(sprintf(__(
-                            "Model field '%s' does not yet have a known conversion to form input",
-                            "event_espresso"
-                        ), get_class($model_field)));
-                        break;
-                    case 'EE_Email_Field':
-                        $input_class = 'EE_Email_Input';
-                        break;
-                    case 'EE_Enum_Integer_Field':
-                        throw new EE_Error(sprintf(__(
-                            "Model field '%s' does not yet have a known conversion to form input",
-                            "event_espresso"
-                        ), get_class($model_field)));
-                        break;
-                    case 'EE_Enum_Text_Field':
-                        throw new EE_Error(sprintf(__(
-                            "Model field '%s' does not yet have a known conversion to form input",
-                            "event_espresso"
-                        ), get_class($model_field)));
-                        break;
-                    case 'EE_Float_Field':
-                        $input_class = 'EE_Float_Input';
-                        break;
-                    case 'EE_Foreign_Key_Int_Field':
-                    case 'EE_Foreign_Key_String_Field':
-                    case 'EE_WP_User_Field':
-                        $models_pointed_to = $model_field instanceof EE_Field_With_Model_Name
-                            ? $model_field->get_model_class_names_pointed_to() : array();
-                        if (true || is_array($models_pointed_to) && count($models_pointed_to) > 1) {
-                            $input_class = 'EE_Text_Input';
-                        } else {
-                            // so its just one model
-                            $model_name = is_array($models_pointed_to) ? reset($models_pointed_to) : $models_pointed_to;
-                            $model = EE_Registry::instance()->load_model($model_name);
-                            $model_names = $model->get_all_names(array('limit' => 10));
-                            if ($model_field->is_nullable()) {
-                                array_unshift($model_names, __("Please Select", 'event_espresso'));
-                            }
-                            $input_constructor_args[1] = $input_constructor_args[0];
-                            $input_constructor_args[0] = $model_names;
-                            $input_class = 'EE_Select_Input';
-                        }
-                        break;
-                    case 'EE_Full_HTML_Field':
-                        $input_class = 'EE_Text_Area_Input';
-                        $input_constructor_args[0]['validation_strategies'] = array(new EE_Full_HTML_Validation_Strategy());
-                        break;
-                    case 'EE_Infinite_Integer':
-                        throw new EE_Error(sprintf(__(
-                            "Model field '%s' does not yet have a known conversion to form input",
-                            "event_espresso"
-                        ), get_class($model_field)));
-                        break;
-                    case 'EE_Integer_Field':
-                        $input_class = 'EE_Text_Input';
-                        break;
-                    case 'EE_Maybe_Serialized_Text_Field':
-                        $input_class = 'EE_Text_Area_Input';
-                        break;
-                    case 'EE_Money_Field':
-                        throw new EE_Error(sprintf(__(
-                            "Model field '%s' does not yet have a known conversion to form input",
-                            "event_espresso"
-                        ), get_class($model_field)));
-                        break;
-                    case 'EE_Post_Content_Field':
-                        $input_class = 'EE_Text_Area_Input';
-                        $input_constructor_args[0]['validation_strategies'] = array(new EE_Full_HTML_Validation_Strategy());
-                        break;
-                    case 'EE_Plain_Text_Field':
-                        $input_class = 'EE_Text_Input';
-                        break;
-                    case 'EE_Primary_Key_Int_Field':
-                        $input_class = 'EE_Hidden_Input';
-                        $input_constructor_args[0]['normalization_strategy'] = new EE_Int_Normalization();
-                        break;
-                    case 'EE_Primary_Key_String_Field':
-                        $input_class = 'EE_Hidden_Input';
-                        break;
-                    case 'EE_Serialized_Text_Field':
-                        $input_class = 'EE_Text_Area_Input';
-                        break;
-                    case 'EE_Simple_HTML_Field':
-                        $input_class = 'EE_Text_Area_Input';
-                        $input_constructor_args[0]['validation_strategies'] = array(new EE_Simple_HTML_Validation_Strategy());
-                        break;
-                    case 'EE_Slug_Field':
-                        $input_class = 'EE_Text_Input';
-                        break;
-                    case 'EE_Trashed_Flag_Field':
-                        $input_class = 'EE_Yes_No_Input';
-                        break;
-                    case 'EE_WP_Post_Status_Field':
-                        throw new EE_Error(sprintf(__(
-                            "Model field '%s' does not yet have a known conversion to form input",
-                            "event_espresso"
-                        ), get_class($model_field)));
-                        break;
-                    case 'EE_WP_Post_Type_Field':
-                        throw new EE_Error(sprintf(__(
-                            "Model field '%s' does not yet have a known conversion to form input",
-                            "event_espresso"
-                        ), get_class($model_field)));
-                        break;
-                    default:
-                        throw new EE_Error(sprintf(__(
-                            "Model field of type '%s' does not convert to any known Form Input. Please add a case to EE_Model_Form_section's _convert_model_fields_to_inputs switch statement",
-                            "event_espresso"
-                        ), get_class($model_field)));
-                }
-                $reflection = new ReflectionClass($input_class);
-                $input = $reflection->newInstanceArgs($input_constructor_args);
-                $inputs[ $field_name ] = $input;
-            }
-        }
-        return $inputs;
-    }
-
-
-
-    /**
-     * Mostly the same as populate_defaults , except takes a model object as input, not an array,
-     * and also sets the form's _model_object
-     *
-     * @param EE_Base_Class $model_obj
-     * @return void
-     */
-    public function populate_model_obj($model_obj)
-    {
-        $model_obj = $this->_model->ensure_is_obj($model_obj);
-        $this->_model_object = $model_obj;
-        $defaults = $model_obj->model_field_array();
-        foreach ($this->_model->relation_settings() as $relation_name => $relation_obj) {
-            $subsection = $this->get_subsection($relation_name, false);
-            if ($subsection instanceof EE_Form_Input_Base) {
-                if ($relation_obj instanceof EE_Belongs_To_Relation) {
-                    // then we only expect there to be one
-                    $related_item = $this->_model_object->get_first_related($relation_name);
-                    $defaults[ $relation_name ] = $related_item->ID();
-                } else {
-                    $related_items = $this->_model_object->get_many_related($relation_name);
-                    $ids = array();
-                    foreach ($related_items as $related_item) {
-                        $ids[] = $related_item->ID();
-                    }
-                    $defaults[ $relation_name ] = $ids;
-                }
-            }
-        }
-        $defaults = apply_filters(
-            'FHEE__EE_Model_Form_Section__populate_model_obj',
-            $defaults,
-            $this
-        );
-        $this->populate_defaults($defaults);
-    }
-
-
-
-    /**
-     * Gets all the input values that correspond to model fields. Keys are the input/field names,
-     * values are their normalized values
-     *
-     * @return array
-     */
-    public function inputs_values_corresponding_to_model_fields()
-    {
-        return array_intersect_key($this->input_values(), $this->_model->field_settings());
-    }
-
-
-
-    /**
-     * After we've normalized the data as normal, set the corresponding model object
-     * on the form.
-     *
-     * @param array $req_data should usually be $_REQUEST (the default).
-     * @return void
-     */
-    public function _normalize($req_data)
-    {
-        parent::_normalize($req_data);
-        // create or set the model object, if it isn't already
-        if (! $this->_model_object) {
-            // check to see if the form indicates a PK, in which case we want to only retrieve it and update it
-            $pk_name = $this->_model->primary_key_name();
-            $model_obj = $this->_model->get_one_by_ID($this->get_input_value($pk_name));
-            if ($model_obj) {
-                $this->_model_object = $model_obj;
-            } else {
-                $this->_model_object = EE_Registry::instance()->load_class($this->_model->get_this_model_name());
-            }
-        }
-    }
-
-
-
-    /**
-     * After this form has been initialized and is verified to be valid,
-     * either creates a model object from its data and saves it, or updates
-     * the model object its data represents
-     *
-     * @throws EE_Error
-     * @return int, 1 on a successful update, the ID of
-     *                    the new entry on insert; 0 on failure
-     */
-    public function save()
-    {
-        if (! $this->_model_object) {
-            throw new EE_Error(sprintf(__(
-                "Cannot save the model form's model object (model is '%s') because there is no model object set. You must either set it, or call receive_form_submission where it is set automatically",
-                "event_espresso"
-            ), get_class($this->_model)));
-        }
-        // ok so the model object is set. Just set it with the submitted form data
-        foreach ($this->inputs_values_corresponding_to_model_fields() as $field_name => $field_value) {
-            // only set the non-primary key
-            if ($field_name != $this->_model->primary_key_name()) {
-                $this->_model_object->set($field_name, $field_value);
-            }
-        }
-        $success = $this->_model_object->save();
-        foreach ($this->_model->relation_settings() as $relation_name => $relation_obj) {
-            if (isset($this->_subsections[ $relation_name ])) {
-                $success = $this->_save_related_info($relation_name);
-            }
-        }
-        do_action('AHEE__EE_Model_Form_Section__save__done', $this, $success);
-        return $success;
-    }
-
-
-
-    /**
-     * Automatically finds the related model info from the form, if present, and
-     * save the relations indicated
-     *
-     * @type string $relation_name
-     * @return bool
-     * @throws EE_Error
-     */
-    protected function _save_related_info($relation_name)
-    {
-        $relation_obj = $this->_model->related_settings_for($relation_name);
-        if ($relation_obj instanceof EE_Belongs_To_Relation) {
-            // there is just a foreign key on this model pointing to that one
-            $this->_model_object->_add_relation_to($this->get_input_value($relation_name), $relation_name);
-        } elseif ($relation_obj instanceof EE_Has_Many_Relation) {
-            // then we want to consider all of its currently-related things.
-            // if they're in this list, keep them
-            // if they're not in this list, remove them
-            // and lastly add all the new items
-            throw new EE_Error(sprintf(__(
-                'Automatic saving of related info across a "has many" relation is not yet supported',
-                "event_espresso"
-            )));
-        } elseif ($relation_obj instanceof EE_HABTM_Relation) {
-            // delete everything NOT in this list
-            $normalized_input_value = $this->get_input_value($relation_name);
-            if ($normalized_input_value && is_array($normalized_input_value)) {
-                $where_query_params = array(
-                    $relation_obj->get_other_model()->primary_key_name() => array('NOT_IN', $normalized_input_value),
-                );
-            } else {
-                $where_query_params = array();
-            }
-            $this->_model_object->_remove_relations($relation_name, $where_query_params);
-            foreach ($normalized_input_value as $id) {
-                $this->_model_object->_add_relation_to($id, $relation_name);
-            }
-        }
-        return true;
-    }
-
-
-
-    /**
-     * Gets the model of this model form
-     *
-     * @return EEM_Base
-     */
-    public function get_model()
-    {
-        return $this->_model;
-    }
-
-
-
-    /**
-     * Gets the model object for this model form, which was either set
-     * upon construction (using the $options_array arg 'model_object'), by using
-     * set_model_object($model_obj), or implicitly
-     * when receive_form_submission($req_data) was called.
-     *
-     * @return EE_Base_Class
-     */
-    public function get_model_object()
-    {
-        return $this->_model_object;
-    }
-
-
-
-    /**
-     * gets teh default name of this form section if none is specified
-     *
-     * @return string
-     */
-    protected function _set_default_name_if_empty()
-    {
-        if (! $this->_name) {
-            $default_name = str_replace("EEM_", "", get_class($this->_model)) . "_Model_Form";
-            $this->_name = $default_name;
-        }
-    }
+	/**
+	 * @var EEM_Base
+	 */
+	protected $_model = null;
+
+	/**
+	 * @var EE_Base_Class
+	 */
+	protected $_model_object = null;
+
+
+
+	/**
+	 * @param array        $options_array   keys: {
+	 * @type EEM_Base      $model
+	 * @type EE_Base_Class $model_object
+	 * @type array         $subsection_args array keys should be subsection names (that either do or will exist), and
+	 *       values are the arrays as you would pass them to that subsection
+	 *                                      }
+	 * @throws EE_Error
+	 */
+	public function __construct($options_array = array())
+	{
+		if (isset($options_array['model']) && $options_array['model'] instanceof EEM_Base) {
+			$this->_model = $options_array['model'];
+		}
+		if (! $this->_model || ! $this->_model instanceof EEM_Base) {
+			throw new EE_Error(sprintf(__(
+				"Model Form Sections must first specify the _model property to be a subclass of EEM_Base",
+				"event_espresso"
+			)));
+		}
+		if (isset($options_array['subsection_args'])) {
+			$subsection_args = $options_array['subsection_args'];
+		} else {
+			$subsection_args = array();
+		}
+		// gather fields and relations to convert to inputs
+		// but if they're just going to exclude a field anyways, don't bother converting it to an input
+		$exclude = $this->_subsections;
+		if (isset($options_array['exclude'])) {
+			$exclude = array_merge($exclude, array_flip($options_array['exclude']));
+		}
+		$model_fields = array_diff_key($this->_model->field_settings(), $exclude);
+		$model_relations = array_diff_key($this->_model->relation_settings(), $exclude);
+		// convert fields and relations to inputs
+		$this->_subsections = array_merge(
+			$this->_convert_model_fields_to_inputs($model_fields),
+			$this->_convert_model_relations_to_inputs($model_relations, $subsection_args),
+			$this->_subsections
+		);
+		parent::__construct($options_array);
+		if (isset($options_array['model_object']) && $options_array['model_object'] instanceof EE_Base_Class) {
+			$this->populate_model_obj($options_array['model_object']);
+		}
+	}
+
+
+
+	/**
+	 * For now, just makes inputs for only HABTM relations
+	 *
+	 * @param EE_Model_Relation_Base[] $relations
+	 * @param array                    $subsection_args keys should be existing or soon-to-be-existing input names, and
+	 *                                                  their values are {
+	 * @type array {
+	 * @type EE_Base_Class[]           $model_objects   if the subsection is an EE_Select_Multi_Model_Input
+	 *                                                  }
+	 *                                                  }
+	 * @return array
+	 */
+	protected function _convert_model_relations_to_inputs($relations, $subsection_args = array())
+	{
+		$inputs = array();
+		foreach ($relations as $relation_name => $relation_obj) {
+			$input_constructor_args = array(
+				array_merge(
+					array(
+						'required'        => $relation_obj instanceof EE_Belongs_To_Relation,
+						'html_label_text' => $relation_obj instanceof EE_Belongs_To_Relation
+							? $relation_obj->get_other_model()->item_name(1)
+							: $relation_obj->get_other_model()
+										   ->item_name(2),
+					),
+					$subsection_args
+				),
+			);
+			$input = null;
+			switch (get_class($relation_obj)) {
+				case 'EE_HABTM_Relation':
+					if (isset($subsection_args[ $relation_name ])
+						&& isset($subsection_args[ $relation_name ]['model_objects'])
+					) {
+						$model_objects = $subsection_args[ $relation_name ]['model_objects'];
+					} else {
+						$model_objects = $relation_obj->get_other_model()->get_all();
+					}
+					$input = new EE_Select_Multi_Model_Input($model_objects, $input_constructor_args);
+					break;
+				default:
+			}
+			if ($input) {
+				$inputs[ $relation_name ] = $input;
+			}
+		}
+		return $inputs;
+	}
+
+
+
+	/**
+	 * Changes model fields into form section inputs
+	 *
+	 * @param EE_Model_Field_Base[] $model_fields keys are the model's name
+	 * @throws EE_Error
+	 * @return EE_Form_Input_Base[]
+	 */
+	protected function _convert_model_fields_to_inputs($model_fields = array())
+	{
+		$inputs = array();
+		foreach ($model_fields as $field_name => $model_field) {
+			if ($model_field instanceof EE_Model_Field_Base) {
+				$input_constructor_args = array(
+					array(
+						'required'        => ! $model_field->is_nullable()
+											 && $model_field->get_default_value()
+												=== null,
+						'html_label_text' => $model_field->get_nicename(),
+						'default'         => $model_field->get_default_value(),
+					),
+				);
+				switch (get_class($model_field)) {
+					case 'EE_All_Caps_Text_Field':
+					case 'EE_Any_Foreign_Model_Name_Field':
+						$input_class = 'EE_Text_Input';
+						break;
+					case 'EE_Boolean_Field':
+						$input_class = 'EE_Yes_No_Input';
+						break;
+					case 'EE_Datetime_Field':
+						throw new EE_Error(sprintf(__(
+							"Model field '%s' does not yet have a known conversion to form input",
+							"event_espresso"
+						), get_class($model_field)));
+						break;
+					case 'EE_Email_Field':
+						$input_class = 'EE_Email_Input';
+						break;
+					case 'EE_Enum_Integer_Field':
+						throw new EE_Error(sprintf(__(
+							"Model field '%s' does not yet have a known conversion to form input",
+							"event_espresso"
+						), get_class($model_field)));
+						break;
+					case 'EE_Enum_Text_Field':
+						throw new EE_Error(sprintf(__(
+							"Model field '%s' does not yet have a known conversion to form input",
+							"event_espresso"
+						), get_class($model_field)));
+						break;
+					case 'EE_Float_Field':
+						$input_class = 'EE_Float_Input';
+						break;
+					case 'EE_Foreign_Key_Int_Field':
+					case 'EE_Foreign_Key_String_Field':
+					case 'EE_WP_User_Field':
+						$models_pointed_to = $model_field instanceof EE_Field_With_Model_Name
+							? $model_field->get_model_class_names_pointed_to() : array();
+						if (true || is_array($models_pointed_to) && count($models_pointed_to) > 1) {
+							$input_class = 'EE_Text_Input';
+						} else {
+							// so its just one model
+							$model_name = is_array($models_pointed_to) ? reset($models_pointed_to) : $models_pointed_to;
+							$model = EE_Registry::instance()->load_model($model_name);
+							$model_names = $model->get_all_names(array('limit' => 10));
+							if ($model_field->is_nullable()) {
+								array_unshift($model_names, __("Please Select", 'event_espresso'));
+							}
+							$input_constructor_args[1] = $input_constructor_args[0];
+							$input_constructor_args[0] = $model_names;
+							$input_class = 'EE_Select_Input';
+						}
+						break;
+					case 'EE_Full_HTML_Field':
+						$input_class = 'EE_Text_Area_Input';
+						$input_constructor_args[0]['validation_strategies'] = array(new EE_Full_HTML_Validation_Strategy());
+						break;
+					case 'EE_Infinite_Integer':
+						throw new EE_Error(sprintf(__(
+							"Model field '%s' does not yet have a known conversion to form input",
+							"event_espresso"
+						), get_class($model_field)));
+						break;
+					case 'EE_Integer_Field':
+						$input_class = 'EE_Text_Input';
+						break;
+					case 'EE_Maybe_Serialized_Text_Field':
+						$input_class = 'EE_Text_Area_Input';
+						break;
+					case 'EE_Money_Field':
+						throw new EE_Error(sprintf(__(
+							"Model field '%s' does not yet have a known conversion to form input",
+							"event_espresso"
+						), get_class($model_field)));
+						break;
+					case 'EE_Post_Content_Field':
+						$input_class = 'EE_Text_Area_Input';
+						$input_constructor_args[0]['validation_strategies'] = array(new EE_Full_HTML_Validation_Strategy());
+						break;
+					case 'EE_Plain_Text_Field':
+						$input_class = 'EE_Text_Input';
+						break;
+					case 'EE_Primary_Key_Int_Field':
+						$input_class = 'EE_Hidden_Input';
+						$input_constructor_args[0]['normalization_strategy'] = new EE_Int_Normalization();
+						break;
+					case 'EE_Primary_Key_String_Field':
+						$input_class = 'EE_Hidden_Input';
+						break;
+					case 'EE_Serialized_Text_Field':
+						$input_class = 'EE_Text_Area_Input';
+						break;
+					case 'EE_Simple_HTML_Field':
+						$input_class = 'EE_Text_Area_Input';
+						$input_constructor_args[0]['validation_strategies'] = array(new EE_Simple_HTML_Validation_Strategy());
+						break;
+					case 'EE_Slug_Field':
+						$input_class = 'EE_Text_Input';
+						break;
+					case 'EE_Trashed_Flag_Field':
+						$input_class = 'EE_Yes_No_Input';
+						break;
+					case 'EE_WP_Post_Status_Field':
+						throw new EE_Error(sprintf(__(
+							"Model field '%s' does not yet have a known conversion to form input",
+							"event_espresso"
+						), get_class($model_field)));
+						break;
+					case 'EE_WP_Post_Type_Field':
+						throw new EE_Error(sprintf(__(
+							"Model field '%s' does not yet have a known conversion to form input",
+							"event_espresso"
+						), get_class($model_field)));
+						break;
+					default:
+						throw new EE_Error(sprintf(__(
+							"Model field of type '%s' does not convert to any known Form Input. Please add a case to EE_Model_Form_section's _convert_model_fields_to_inputs switch statement",
+							"event_espresso"
+						), get_class($model_field)));
+				}
+				$reflection = new ReflectionClass($input_class);
+				$input = $reflection->newInstanceArgs($input_constructor_args);
+				$inputs[ $field_name ] = $input;
+			}
+		}
+		return $inputs;
+	}
+
+
+
+	/**
+	 * Mostly the same as populate_defaults , except takes a model object as input, not an array,
+	 * and also sets the form's _model_object
+	 *
+	 * @param EE_Base_Class $model_obj
+	 * @return void
+	 */
+	public function populate_model_obj($model_obj)
+	{
+		$model_obj = $this->_model->ensure_is_obj($model_obj);
+		$this->_model_object = $model_obj;
+		$defaults = $model_obj->model_field_array();
+		foreach ($this->_model->relation_settings() as $relation_name => $relation_obj) {
+			$subsection = $this->get_subsection($relation_name, false);
+			if ($subsection instanceof EE_Form_Input_Base) {
+				if ($relation_obj instanceof EE_Belongs_To_Relation) {
+					// then we only expect there to be one
+					$related_item = $this->_model_object->get_first_related($relation_name);
+					$defaults[ $relation_name ] = $related_item->ID();
+				} else {
+					$related_items = $this->_model_object->get_many_related($relation_name);
+					$ids = array();
+					foreach ($related_items as $related_item) {
+						$ids[] = $related_item->ID();
+					}
+					$defaults[ $relation_name ] = $ids;
+				}
+			}
+		}
+		$defaults = apply_filters(
+			'FHEE__EE_Model_Form_Section__populate_model_obj',
+			$defaults,
+			$this
+		);
+		$this->populate_defaults($defaults);
+	}
+
+
+
+	/**
+	 * Gets all the input values that correspond to model fields. Keys are the input/field names,
+	 * values are their normalized values
+	 *
+	 * @return array
+	 */
+	public function inputs_values_corresponding_to_model_fields()
+	{
+		return array_intersect_key($this->input_values(), $this->_model->field_settings());
+	}
+
+
+
+	/**
+	 * After we've normalized the data as normal, set the corresponding model object
+	 * on the form.
+	 *
+	 * @param array $req_data should usually be $_REQUEST (the default).
+	 * @return void
+	 */
+	public function _normalize($req_data)
+	{
+		parent::_normalize($req_data);
+		// create or set the model object, if it isn't already
+		if (! $this->_model_object) {
+			// check to see if the form indicates a PK, in which case we want to only retrieve it and update it
+			$pk_name = $this->_model->primary_key_name();
+			$model_obj = $this->_model->get_one_by_ID($this->get_input_value($pk_name));
+			if ($model_obj) {
+				$this->_model_object = $model_obj;
+			} else {
+				$this->_model_object = EE_Registry::instance()->load_class($this->_model->get_this_model_name());
+			}
+		}
+	}
+
+
+
+	/**
+	 * After this form has been initialized and is verified to be valid,
+	 * either creates a model object from its data and saves it, or updates
+	 * the model object its data represents
+	 *
+	 * @throws EE_Error
+	 * @return int, 1 on a successful update, the ID of
+	 *                    the new entry on insert; 0 on failure
+	 */
+	public function save()
+	{
+		if (! $this->_model_object) {
+			throw new EE_Error(sprintf(__(
+				"Cannot save the model form's model object (model is '%s') because there is no model object set. You must either set it, or call receive_form_submission where it is set automatically",
+				"event_espresso"
+			), get_class($this->_model)));
+		}
+		// ok so the model object is set. Just set it with the submitted form data
+		foreach ($this->inputs_values_corresponding_to_model_fields() as $field_name => $field_value) {
+			// only set the non-primary key
+			if ($field_name != $this->_model->primary_key_name()) {
+				$this->_model_object->set($field_name, $field_value);
+			}
+		}
+		$success = $this->_model_object->save();
+		foreach ($this->_model->relation_settings() as $relation_name => $relation_obj) {
+			if (isset($this->_subsections[ $relation_name ])) {
+				$success = $this->_save_related_info($relation_name);
+			}
+		}
+		do_action('AHEE__EE_Model_Form_Section__save__done', $this, $success);
+		return $success;
+	}
+
+
+
+	/**
+	 * Automatically finds the related model info from the form, if present, and
+	 * save the relations indicated
+	 *
+	 * @type string $relation_name
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	protected function _save_related_info($relation_name)
+	{
+		$relation_obj = $this->_model->related_settings_for($relation_name);
+		if ($relation_obj instanceof EE_Belongs_To_Relation) {
+			// there is just a foreign key on this model pointing to that one
+			$this->_model_object->_add_relation_to($this->get_input_value($relation_name), $relation_name);
+		} elseif ($relation_obj instanceof EE_Has_Many_Relation) {
+			// then we want to consider all of its currently-related things.
+			// if they're in this list, keep them
+			// if they're not in this list, remove them
+			// and lastly add all the new items
+			throw new EE_Error(sprintf(__(
+				'Automatic saving of related info across a "has many" relation is not yet supported',
+				"event_espresso"
+			)));
+		} elseif ($relation_obj instanceof EE_HABTM_Relation) {
+			// delete everything NOT in this list
+			$normalized_input_value = $this->get_input_value($relation_name);
+			if ($normalized_input_value && is_array($normalized_input_value)) {
+				$where_query_params = array(
+					$relation_obj->get_other_model()->primary_key_name() => array('NOT_IN', $normalized_input_value),
+				);
+			} else {
+				$where_query_params = array();
+			}
+			$this->_model_object->_remove_relations($relation_name, $where_query_params);
+			foreach ($normalized_input_value as $id) {
+				$this->_model_object->_add_relation_to($id, $relation_name);
+			}
+		}
+		return true;
+	}
+
+
+
+	/**
+	 * Gets the model of this model form
+	 *
+	 * @return EEM_Base
+	 */
+	public function get_model()
+	{
+		return $this->_model;
+	}
+
+
+
+	/**
+	 * Gets the model object for this model form, which was either set
+	 * upon construction (using the $options_array arg 'model_object'), by using
+	 * set_model_object($model_obj), or implicitly
+	 * when receive_form_submission($req_data) was called.
+	 *
+	 * @return EE_Base_Class
+	 */
+	public function get_model_object()
+	{
+		return $this->_model_object;
+	}
+
+
+
+	/**
+	 * gets teh default name of this form section if none is specified
+	 *
+	 * @return string
+	 */
+	protected function _set_default_name_if_empty()
+	{
+		if (! $this->_name) {
+			$default_name = str_replace("EEM_", "", get_class($this->_model)) . "_Model_Form";
+			$this->_name = $default_name;
+		}
+	}
 }