/** Set up the constants */
  protected void setupConstants() {
    super.setupConstants();
    MAIN_PANEL = new PaddedPanel();
    DATA_MODEL = new LibraryFilesTableModel();

    // sort by modification time in descending order by default
    // so user can quickly find newest files.
    DATA_MODEL.sort(LibraryFilesTableDataLine.MODIFICATION_TIME_IDX);
    DATA_MODEL.sort(LibraryFilesTableDataLine.MODIFICATION_TIME_IDX);

    TABLE = new LimeJTable(DATA_MODEL);
    DATA_MODEL.setTable(TABLE);
    Action[] aa =
        new Action[] {
          LAUNCH_ACTION, OPEN_IN_FOLDER_ACTION, SEND_TO_FRIEND_ACTION, DELETE_ACTION, OPTIONS_ACTION
        };

    BUTTON_ROW = new ButtonRow(aa, ButtonRow.X_AXIS, ButtonRow.NO_GLUE);
  }