public class MainFrame extends JFrame
  implements ParentFrame, ActionListener, ChangeListener, KeyListener,
             ToolBarListener
{
  /* Toolbar item constants */
  public static final String CONFIG_WINDOWFRAME_TAG = "windowframe";
  public static final String CONFIG_MAPDRAWING_TAG = "mapdrawing";
  public static final String CONFIG_APPLICATION_TAG = "application";
  public static final String CONFIG_CONSOLE_TAG = "consolewindow";
  public static final String CONFIG_LEGEND_TAG = "legendwindow";
  public static final String CONFIG_NORTHARROW_TAG = "north_arrow";
  public static final String CONFIG_MAPSCALE_TAG = "map_scale";
  public static final String CONFIG_TOOLBARITEM_TAG = "toolbaritem";

  private static final String TOOLBARITEM_LEGEND_ACTION = "togglelegend";
  private static final String TOOLBARITEM_VIEW_PARAMS = "viewparams";
  private static final String TOOLBARITEM_QUERY_MAP = "querymap";

  private static final String TOOLBARITEM_DEFAULT = "$default";
  private static final String TOOLBARITEM_ZOOMIN = "$zoomin";
  private static final String TOOLBARITEM_ZOOMOUT = "$zoomout";
  private static final String TOOLBARITEM_PAN = "$pan";
  private static final String TOOLBARITEM_MAPLEGEND = "$maplegend";

  /** */
  private static final String
    CONFIG_ERROR_DIALOG_TITLE = "Configuration Parameters Error";

  /* Main java application object */
  private jgrass.client.Main main;

  /* Splash screen object. */
  public SplashWindow splash = null;

  /* Main frame toolbar object */
  private JPanel toolbarPanel;

  /* Vector storage for module objects that must be
   * installed after a user has logded in. */
//  private Vector loginModules = null;

  /* Active module component */
  private DisplayModule activeModule = null;

  /* Class logger instance. */
  private Logger logger = LogManager.getLogger(this.getClass().getName());

  /* Status panel */
  private JPanel statusBar;

  /* Taskbar panel */
  private JToolBar taskBar;

  /* */
  private Hashtable visibletoolbars = new Hashtable();

  /* */
  private JLabel statusMessage = new JLabel("", JLabel.LEFT);

  private AnimatedLabel busy = null;

  /* Configration class */
  public Configuration config;

  /* Legend Frame */
  private LegendPane legend = null;

  /* 3D View Frame */
  private View3DPane view3d = null;

  /* */
  private QueryPane querywindow = null;

  /* */
  private Console console = null;
  private CloseButtonTabbedPane consoleTab = null;
  private Color consoleTabActiveColor = null;
  private Color consoleTabInactiveColor = null;
//  private TitledBorder glCanvasBorder = null;
//  private GLRenderer glRenderer = null;
  private JToolBar mapToolbar = null;

  /**
   * Keys pressed
   */

  
  /**
   * Constructor for the main application frame which holds the GLCanvas
   * and the Console.
   * @param jgrass.client.Main Application object.
   * @param Configuration confoguration object that holds the config.xml data.
   */
  public MainFrame(jgrass.client.Main _main, Configuration _config)
  {
    super();

    GrassEnvironmentManager.getInstance().setParentFrame(this);

    main = _main;
    config = _config;
    splash = main.splash;

    /* Set look and feel specified in configuration file */
    LookAndFeel lf = config.getLookAndFeel();

    /* Set windowframe settings taken from configuration parameters */
    setTitle(config.getWindowTitle() + ResourceLoader.getBuild());
    setIconImage(ResourceLoader.LoadImage(_config.getWindowIcon()));
    UIManager.put("ToolTip.font", new FontUIResource(config.getTipFont()));
    UIManager.put("ToolTip.background", new ColorUIResource(
                  config.getTipBackgroundColor()));

    splash.setStatus("Loading configuration. Please wait...");
    splash.incProgress();
    applyConfiguration();
    splash.setStatus("Starting up main window. Please wait...");
    splash.incProgress();

    /* Set windowframe settings taken from configuration parameters */
    Dimension sz = config.getWindowDimension();
    Point pos = new Point(0,0);
    if (sz.width == -1)
    {
      sz.width = (int)((float)Toolkit.getDefaultToolkit().getScreenSize().width *.8);
    }
    pos.x = (Toolkit.getDefaultToolkit().getScreenSize().width - sz.width) / 2;
    if (sz.height == -1)
    {
      sz.height = (int)((float)Toolkit.getDefaultToolkit().getScreenSize().height *.8);
    }
    pos.y = (Toolkit.getDefaultToolkit().getScreenSize().height - sz.height) / 2;
    setLocation(pos);
    setSize(sz);
//    pack();
    setVisible(true);
  }