void (ActionEvent e) { try { final DiffElement<?> newElement = chooser.call(); if (newElement == null) return; if (StringUtil.equals(dirField.getText(), newElement.getPath())) return; dirField.setText(newElement.getPath()); if (isTarget) { myModel.setTargetDir(newElement); } else { myModel.setSourceDir(newElement); } myModel.clear(); myModel.reloadModel(true); myModel.updateFromUI(); } catch (Exception err) { LOG.warn(err); } }