private Button createDeleteButton(final Element rowElem, final String url) {
return new Button(i18n.RemoveButton(), new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
ConfirmDialog dialog = new ConfirmDialog(i18n.WarningDeleteFile());
dialog.addOkButtonHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
try {
server.deleteFile(toFileName(url));
RowFormatter formatter = table.getRowFormatter();