* $action = new GridFieldDeleteAction(); // delete objects permanently * * * @package dms * @subpackage cms */ class DMSGridFieldDeleteAction extends GridFieldDeleteAction implements GridField_ColumnProvider, GridField_ActionProvider { /** * * @param GridField $gridField * @param DataObject $record * @param string $columnName * @return string - the HTML for the column */ public function getColumnContent($gridField, $record, $columnName) { if ($this->removeRelation) { $field = GridField_FormAction::create( $gridField, 'UnlinkRelation' . $record->ID, false, "unlinkrelation", array('RecordID' => $record->ID) ) ->addExtraClass('gridfield-button-unlink') ->setAttribute('title', _t('GridAction.UnlinkRelation', "Unlink")) ->setAttribute('data-icon', 'chain--minus'); } else { if (!$record->canDelete()) { return ''; } $field = GridField_FormAction::create( $gridField, 'DeleteRecord' . $record->ID, false, "deleterecord", array('RecordID' => $record->ID) ) ->addExtraClass('gridfield-button-delete') ->setAttribute('title', _t('GridAction.Delete', "Delete")) ->setAttribute('data-icon', 'cross-circle') ->setDescription(_t('GridAction.DELETE_DESCRIPTION', 'Delete')); } // Add a class to the field to if it is the last gridfield in the list $numberOfRelations = $record->getRelatedPages()->count(); $field // Add a new class for custom JS to handle the delete action ->addExtraClass('dms-delete') // Add the number of pages attached to this field as a data-attribute ->setAttribute('data-pages-count', $numberOfRelations) // Remove the base gridfield behaviour ->removeExtraClass('gridfield-button-delete'); // Set a class telling JS what kind of warning to display when clicking the delete button if ($numberOfRelations > 1) { $field->addExtraClass('dms-delete-link-only'); } else { $field->addExtraClass('dms-delete-last-warning'); } // Set a class to show if the document is hidden if ($record->isHidden()) { $field->addExtraClass('dms-document-hidden'); } return $field->Field(); } /** * Handle the actions and apply any changes to the GridField * * @param GridField $gridField * @param string $actionName * @param mixed $arguments * @param array $data - form data * @return void * @throws ValidationException If the current user doesn't have permission to delete the record */ public function handleAction(GridField $gridField, $actionName, $arguments, $data) { if ($actionName == 'deleterecord' || $actionName == 'unlinkrelation') { $item = $gridField->getList()->byID($arguments['RecordID']); if (!$item) { return; } if ($actionName == 'deleterecord' && !$item->canDelete()) { throw new ValidationException( _t('GridFieldAction_Delete.DeletePermissionsFailure', "No delete permissions"), 0 ); } $delete = false; if ($item->Pages()->Count() <= 1) { $delete = true; } // Remove the relation $gridField->getList()->remove($item); if ($delete) { // Delete the document $item->delete(); } } } }