});
this.removeFileSelection.setOutputMarkupPlaceholderTag(true);
if (fs != null) {
fs.add(this);
final AbstractSecuredPage parentPage = (AbstractSecuredPage) getPage();
deleteExistingFileDialog = new ModalQuestionDialog(parentPage.newModalDialogId(), new ResourceModel(
"file.panel.deleteExistingFile.heading"), new ResourceModel("file.panel.deleteExistingFile.question")) {
/**
* @see org.projectforge.web.dialog.ModalQuestionDialog#onCloseButtonSubmit(org.apache.wicket.ajax.AjaxRequestTarget)
*/
@Override