/**
* Confirm deletion of multiple fields
*/
public function confirmDeleteFields()
{
$this->tabs->clearSubTabs();
$conf = new ilConfirmationGUI();
$conf->setFormAction($this->ctrl->getFormAction($this));
$conf->setHeaderText($this->lng->txt('dcl_confirm_delete_fields'));
$field_ids = isset($_POST['dcl_field_ids']) ? $_POST['dcl_field_ids'] : array();
foreach ($field_ids as $field_id) {
/** @var ilDataCollectionField $field */
$field = ilDataCollectionCache::getFieldCache($field_id);
$conf->addItem('dcl_field_ids[]', $field_id, $field->getTitle());
}
$conf->setConfirm($this->lng->txt('delete'), 'deleteFields');
$conf->setCancel($this->lng->txt('cancel'), 'listFields');
$this->tpl->setContent($conf->getHTML());
}