'DMSDocument' ); function updateCMSFields(FieldList $fields){ //javascript to customize the grid field for the DMS document (overriding entwine in FRAMEWORK_DIR.'/javascript/GridField.js' Requirements::javascript('dms/javascript/DMSGridField.js'); Requirements::css('dms/css/DMSMainCMS.css'); // Document listing $gridFieldConfig = GridFieldConfig::create()->addComponents( new GridFieldToolbarHeader(), new GridFieldFilterHeader(), new GridFieldSortableHeader(), new GridFieldDataColumns(), new GridFieldPaginator(15), new GridFieldEditButton(), new DMSGridFieldDeleteAction(), //special delete dialog to handle custom behaviour of unlinking and deleting new GridFieldDetailForm() //GridFieldLevelup::create($folder->ID)->setLinkSpec('admin/assets/show/%d') ); $modelClass = DMS::$modelClass; $gridFieldConfig->getComponentByType('GridFieldDataColumns')->setDisplayFields($modelClass::$display_fields) ->setFieldCasting(array('LastChanged'=>"Date->Ago")) ->setFieldFormatting(array('FilenameWithoutID'=>'$FilenameWithoutID')); //override delete functionality with this class $gridFieldConfig->getComponentByType('GridFieldDetailForm')->setItemRequestClass('DMSGridFieldDetailForm_ItemRequest'); $gridField = GridField::create( 'Documents', false, $this->owner->Documents(), $gridFieldConfig ); $uploadBtn = new LiteralField( 'UploadButton', sprintf( '%s', Controller::join_links(singleton('DMSDocumentAddController')->Link(), '?ID=' . $this->owner->ID), "Add Documents" ) ); $fields->addFieldsToTab( 'Root.Documents', array( $uploadBtn, $gridField ) ); } function onBeforeDelete() { $dmsDocuments = $this->owner->Documents(); foreach($dmsDocuments as $document) { //if the document is only associated with one page, i.e. only associated with this page if ($document->Pages()->Count() <= 1) { //delete the document before deleting this page $document->delete(); } } } function onBeforePublish() { $embargoedDocuments = $this->owner->Documents()->filter('EmbargoedUntilPublished',true); if ($embargoedDocuments->Count() > 0) { foreach($embargoedDocuments as $doc) { $doc->EmbargoedUntilPublished = false; $doc->write(); } } } }