';
return $return;
}
/**
* Adds a new widget instance of the specified base ID to the database.
*
* @since 1.0
* @param string $id_base
* @param int $next_id
* @param int $menu_item_id
*/
private function add_widget_instance( $id_base, $next_id, $menu_item_id ) {
$current_widgets = get_option( 'widget_' . $id_base );
$current_widgets[ $next_id ] = array(
"mega_menu_columns" => 2,
"mega_menu_parent_menu_id" => $menu_item_id
);
update_option( 'widget_' . $id_base, $current_widgets );
}
/**
* Removes a widget instance from the database
*
* @since 1.0
* @param string $widget_id e.g. meta-3
* @return bool. True if widget has been deleted.
*/
private function remove_widget_instance( $widget_id ) {
$id_base = $this->get_id_base_for_widget_id( $widget_id );
$widget_number = $this->get_widget_number_for_widget_id( $widget_id );
// add blank widget
$current_widgets = get_option( 'widget_' . $id_base );
if ( isset( $current_widgets[ $widget_number ] ) ) {
unset( $current_widgets[ $widget_number ] );
update_option( 'widget_' . $id_base, $current_widgets );
return true;
}
return false;
}
/**
* Updates the number of mega columns for a specified widget.
*
* @since 1.0
* @param string $widget_id
* @param int $columns
*/
public function update_columns($widget_id, $columns) {
$id_base = $this->get_id_base_for_widget_id( $widget_id );
$widget_number = $this->get_widget_number_for_widget_id( $widget_id );
$current_widgets = get_option( 'widget_' . $id_base );
$current_widgets[ $widget_number ]["mega_menu_columns"] = $columns;
update_option( 'widget_' . $id_base, $current_widgets );
return true;
}
/**
* Deletes a widget from WordPress
*
* @since 1.0
* @param string $widget_id e.g. meta-3
*/
public function delete_widget( $widget_id ) {
$this->remove_widget_from_sidebar( $widget_id );
$this->remove_widget_instance( $widget_id );
return true;
}
/**
* Moves a widget from one position to another. The widgets are stored as an ordered
* array in the database.
*
* @since 1.0
* @param string $widget_to_move
* @param int $new_widget_position. Zero based index.
* @return string $widget_id. The widget that has been moved.
*/
public function move_widget( $widget_to_move, $new_widget_position, $menu_item_id ) {
// $new_widget_position assumes that all widgets belong to this Menu ID,
// but widgets are stored in this area for _all_ Menu IDs.
// Work out the new widget position taking into account that other menu IDs
// also store their widgets here
$menu_widgets = array();
$non_menu_widgets = array();
if ( $mega_menu_widgets = $this->get_mega_menu_sidebar_widgets() ) {
foreach ( $mega_menu_widgets as $widget_id ) {
$settings = $this->get_settings_for_widget_id( $widget_id );
// split our widgets into arrays that belong with this menu ID, and ones that don't
if ( $settings['mega_menu_parent_menu_id'] == $menu_item_id ) {
$menu_widgets[] = $widget_id;
} else {
$non_menu_widgets[] = $widget_id;
}
}
// find the old position of the widget
$old_widget_position = array_search( $widget_to_move, $menu_widgets );
// move widget from old position to new position
$out = array_splice( $menu_widgets, $old_widget_position, 1 );
array_splice( $menu_widgets, $new_widget_position, 0, $out );
// merge back together the menu and non menu widgets
$mega_menu_widgets = array_merge( $non_menu_widgets, $menu_widgets );
$this->set_mega_menu_sidebar_widgets( $mega_menu_widgets );
}
return $mega_menu_widgets;
}
/**
* Adds a widget to the Mega Menu widget sidebar
*
* @since 1.0
*/
private function add_widget_to_sidebar( $id_base, $next_id ) {
$widget_id = $id_base . '-' . $next_id;
$sidebar_widgets = $this->get_mega_menu_sidebar_widgets();
$sidebar_widgets[] = $widget_id;
$this->set_mega_menu_sidebar_widgets($sidebar_widgets);
return $widget_id;
}
/**
* Removes a widget from the Mega Menu widget sidebar
*
* @since 1.0
* @return string The widget that was removed
*/
private function remove_widget_from_sidebar($widget_id) {
$widgets = $this->get_mega_menu_sidebar_widgets();
$new_mega_menu_widgets = array();
foreach ( $widgets as $widget ) {
if ( $widget != $widget_id )
$new_mega_menu_widgets[] = $widget;
}
$this->set_mega_menu_sidebar_widgets($new_mega_menu_widgets);
return $widget_id;
}
/**
* Returns an unfiltered array of all widgets in our sidebar
*
* @since 1.0
* @return array
*/
public function get_mega_menu_sidebar_widgets() {
$sidebar_widgets = wp_get_sidebars_widgets();
if ( ! isset( $sidebar_widgets[ 'mega-menu'] ) ) {
return false;
}
return $sidebar_widgets[ 'mega-menu' ];
}
/**
* Sets the sidebar widgets
*
* @since 1.0
*/
private function set_mega_menu_sidebar_widgets( $widgets ) {
$sidebar_widgets = wp_get_sidebars_widgets();
$sidebar_widgets[ 'mega-menu' ] = $widgets;
wp_set_sidebars_widgets( $sidebar_widgets );
}
}
endif;