layout_manager = $layout_manager; } function display(&$layout_def) { return 'display class undefined'; } /** * getSubpanelWidgetId * This is a utility function to return a widget's unique id * @return id String label of the widget's unique id */ public function getWidgetId() { return $this->widget_id; } /** * setSubpanelWidgetId * This is a utility function to set the id for a widget * @param id String value to set the widget's unique id */ public function setWidgetId($id='') { $this->widget_id = $id; } } ?>