public function initEditForm()
{
global $lng;
$form = parent::initEditForm();
// Add File-Upload
$in_file = new ilFileInputGUI($lng->txt("bibliography file"), "bibliographic_file");
$in_file->setSuffixes(array("ris", "bib", "bibtex"));
$in_file->setRequired(false);
$cb_override = new ilCheckboxInputGUI($this->lng->txt("override_entries"), "override_entries");
$cb_override->addSubItem($in_file);
$form->addItem($cb_override);
$form->setFormAction($this->ctrl->getFormAction($this, "save"));
return $form;
}
