/** * @param int $folderID The ID of the folder to display. * @return FormField */ protected function getListField($folderID) { // Generate the folder selection field. /** @skipUpgrade */ $folderField = new TreeDropdownField('ParentID', _t('HTMLEditorField.FOLDER', 'Folder'), 'SilverStripe\\Assets\\Folder'); $folderField->setValue($folderID); // Generate the file list field. $config = GridFieldConfig::create(); $config->addComponent(new GridFieldSortableHeader()); $config->addComponent(new GridFieldFilterHeader()); $config->addComponent($colsComponent = new GridFieldDataColumns()); $colsComponent->setDisplayFields(array('StripThumbnail' => '', 'Title' => File::singleton()->fieldLabel('Title'), 'Created' => File::singleton()->fieldLabel('Created'), 'Size' => File::singleton()->fieldLabel('Size'))); $colsComponent->setFieldCasting(array('Created' => 'DBDatetime->Nice')); // Set configurable pagination for file list field $pageSize = Config::inst()->get(get_class($this), 'page_size'); $config->addComponent(new GridFieldPaginator($pageSize)); // If relation is to be autoset, we need to make sure we only list compatible objects. $baseClass = $this->parent->getRelationAutosetClass(); // Create the data source for the list of files within the current directory. $files = DataList::create($baseClass)->exclude('ClassName', 'SilverStripe\\Assets\\Folder'); if ($folderID) { $files = $files->filter('ParentID', $folderID); } $fileField = new GridField('Files', false, $files, $config); $fileField->setAttribute('data-selectable', true); if ($this->parent->getAllowedMaxFileNumber() !== 1) { $fileField->setAttribute('data-multiselect', true); } $selectComposite = new CompositeField($folderField, $fileField); return $selectComposite; }