/**
* Adds the filter, so the dropdown displays only images and folders.
*
* @return Form
*/
public function EditFileForm()
{
$filter = create_function('$item', 'return (in_array("Folder", ClassInfo::ancestry($item->ClassName)) || in_array("Image", ClassInfo::ancestry($item->ClassName)));');
$form = parent::EditFileForm();
$form->dataFieldByName('ExistingFile')->setFilterFunction($filter);
return $form;
}
/**
* Adds the filter, so the dropdown displays only images and folders.
*
* @return Form
*/
public function EditFileForm()
{
Deprecation::notice('3.0', 'Use UploadField', Deprecation::SCOPE_CLASS);
$filter = create_function('$item', 'return (in_array("Folder", ClassInfo::ancestry($item->ClassName)) || in_array("Image", ClassInfo::ancestry($item->ClassName)));');
$form = parent::EditFileForm();
$form->Fields()->dataFieldByName('ExistingFile')->setFilterFunction($filter);
return $form;
}