'Module' ); // create cms fields public function updateCMSFields(FieldList $fields) { // create gridfield management for the many_many relationship $gridFieldConfig = GridFieldConfig_RelationEditor::create(); // create the gridfield itself $gridField = new GridField("Modules", "Modules", $this->PageModules(), $gridFieldConfig); // add to fields $fields->addFieldToTab("Root.Modules", $gridField); return $fields; } // build list of all Modules attached to this page public function PageModules(){ $modules = $this->owner->getManyManyComponents('Modules'); return $modules; } // return all modules of the specified module area // called in template with $ModuleArea(module-alias) function ModuleArea($alias){ // create container for output code $output = ''; // get the module area as an object $position = ModulePosition::get()->filter('Alias', $alias)->First(); // get this page's module list $modules = $this->PageModules(); // store them in a template array (for template loop) $items = array( 'Position' => $position, 'Items' => $modules ); return $this->owner->customise($items)->renderWith('ModuleHolder'); } }