8sa1-gcc/libjava/javax/swing/plaf/basic/BasicToolBarUI.java

/* BasicToolBarUI.java --
   Copyright (C) 2004, 2005  Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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02111-1307 USA.

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permission to link this library with independent modules to produce an
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package javax.swing.plaf.basic;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Insets;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Window;
import java.awt.event.ContainerEvent;
import java.awt.event.ContainerListener;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.Hashtable;

import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JToolBar;
import javax.swing.RootPaneContainer;
import javax.swing.SwingConstants;
import javax.swing.SwingUtilities;
import javax.swing.UIDefaults;
import javax.swing.UIManager;
import javax.swing.border.Border;
import javax.swing.event.MouseInputListener;
import javax.swing.plaf.BorderUIResource.EtchedBorderUIResource;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.ToolBarUI;
import javax.swing.plaf.UIResource;

/**
 * This is the Basic Look and Feel UI class for JToolBar.
 */
public class BasicToolBarUI extends ToolBarUI implements SwingConstants
{
  /** Static owner of all DragWindows. */
  private static JFrame owner = new JFrame();

  /** The border used when the JToolBar is in nonrollover mode. */
  private static Border nonRolloverBorder;

  /** The border used when the JToolBar is in rollover mode. */
  private static Border rolloverBorder;

  /** The last known BorderLayout constraint before floating. */
  protected String constraintBeforeFloating;

  /** The last known orientation of the JToolBar before floating. */
  private int lastGoodOrientation;

  /** The color of the border when it is dockable. */
  protected Color dockingBorderColor;

  /** The background color of the JToolBar when it is dockable. */
  protected Color dockingColor;

  /** The docking listener responsible for mouse events on the JToolBar. */
  protected MouseInputListener dockingListener;

  /** The window used for dragging the JToolBar. */
  protected BasicToolBarUI.DragWindow dragWindow;

  /** The color of the border when it is not dockable. */
  protected Color floatingBorderColor;

  /** The background color of the JToolBar when it is not dockable. */
  protected Color floatingColor;

  /** The index of the focused component. */
  protected int focusedCompIndex;

  /** The PropertyChangeListener for the JToolBar. */
  protected PropertyChangeListener propertyListener;

  /** The JToolBar this UI delegate is responsible for. */
  protected JToolBar toolBar;

  /** The Container listener for the JToolBar. */
  protected ContainerListener toolBarContListener;

  /** The Focus listener for the JToolBar. */
  protected FocusListener toolBarFocusListener;

  /**
   * The floating window that is responsible for holding the JToolBar when it
   * is dragged outside of its original parent.
   */
  private transient Window floatFrame;

  /** The original parent of the JToolBar. */
  private transient Container origParent;

  /** A hashtable of components and their original borders. */
  private transient Hashtable borders;

  /** A window listener for the floatable frame. */
  private transient WindowListener windowListener;

  /** A set of cached bounds of the JToolBar. */
  private transient Dimension cachedBounds;

  /** The cached orientation of the JToolBar. */
  private transient int cachedOrientation;

  /**
   * This method creates a new <code>BasicToolBarUI</code> object for the given JToolBar.
   */
  public BasicToolBarUI()
  {
    // Do nothing here.
  }

  /**
   * This method returns whether the JToolBar can dock at the given position.
   *
   * @param c The component to try to dock in.
   * @param p The position of the mouse cursor relative to the given
   *        component.
   *
   * @return Whether the JToolBar can dock.
   */
  public boolean canDock(Component c, Point p)
  {
    return areaOfClick(c, p) != -1;
  }

  /**
   * This helper method returns the position of the JToolBar if it can dock.
   *
   * @param c The component to try to dock in.
   * @param p The position of the mouse cursor relative to the given
   *        component.
   *
   * @return One of the SwingConstants directions or -1 if the JToolBar can't
   *         dock.
   */
  private int areaOfClick(Component c, Point p)
  {
    // Has to dock in immediate parent, not eventual root container.
    Rectangle pBounds = c.getBounds();

    // XXX: In Sun's implementation, the space the toolbar has to dock is dependent on the size it had last.
    Dimension d = toolBar.getSize();
    int limit = Math.min(d.width, d.height);

    // The order of checking is 1. top 2. bottom 3. left 4. right
    if (! pBounds.contains(p))
      return -1;

    if (p.y < limit)
      return SwingConstants.NORTH;

    if (p.y > (pBounds.height - limit))
      return SwingConstants.SOUTH;

    if (p.x < limit)
      return SwingConstants.WEST;

    if (p.x > (pBounds.width - limit))
      return SwingConstants.EAST;

    return -1;
  }

  /**
   * This method creates a new DockingListener for the JToolBar.
   *
   * @return A new DockingListener for the JToolBar.
   */
  protected MouseInputListener createDockingListener()
  {
    return new DockingListener(toolBar);
  }

  /**
   * This method creates a new DragWindow for the given JToolBar.
   *
   * @param toolbar The JToolBar to create a DragWindow for.
   *
   * @return A new DragWindow.
   */
  protected BasicToolBarUI.DragWindow createDragWindow(JToolBar toolbar)
  {
    return new DragWindow();
  }

  /**
   * This method creates a new floating frame for the JToolBar. By default,
   * this UI uses createFloatingWindow instead. This method of creating a
   * floating frame is deprecated.
   *
   * @param toolbar The JToolBar to create a floating frame for.
   *
   * @return A new floating frame.
   */
  protected JFrame createFloatingFrame(JToolBar toolbar)
  {
    // FIXME: Though deprecated, this should still work.
    return null;
  }

  /**
   * This method creates a new floating window for the JToolBar. This is the
   * method used by default to create a floating container for the JToolBar.
   *
   * @param toolbar The JToolBar to create a floating window for.
   *
   * @return A new floating window.
   */
  protected RootPaneContainer createFloatingWindow(JToolBar toolbar)
  {
    // This one is used by default though.
    return new ToolBarDialog();
  }

  /**
   * This method creates a new WindowListener for the JToolBar.
   *
   * @return A new WindowListener.
   */
  protected WindowListener createFrameListener()
  {
    return new FrameListener();
  }

  /**
   * This method creates a new nonRolloverBorder for JButtons when the
   * JToolBar's rollover property is set to false.
   *
   * @return A new NonRolloverBorder.
   */
  protected Border createNonRolloverBorder()
  {
    return new EtchedBorderUIResource();
  }

  /**
   * This method creates a new PropertyChangeListener for the JToolBar.
   *
   * @return A new PropertyChangeListener.
   */
  protected PropertyChangeListener createPropertyListener()
  {
    return new PropertyListener();
  }

  /**
   * This method creates a new rollover border for JButtons when the
   * JToolBar's rollover property is set to true.
   *
   * @return A new rollover border.
   */
  protected Border createRolloverBorder()
  {
    return new EtchedBorderUIResource()
      {
	public void paintBorder(Component c, Graphics g, int x, int y,
	                        int width, int height)
	{
	  if (c instanceof JButton)
	    {
	      if (((JButton) c).getModel().isRollover())
		super.paintBorder(c, g, x, y, width, height);
	    }
	}
      };
  }

  /**
   * This method creates a new Container listener for the JToolBar.
   *
   * @return A new Container listener.
   */
  protected ContainerListener createToolBarContListener()
  {
    return new ToolBarContListener();
  }

  /**
   * This method creates a new FocusListener for the JToolBar.
   *
   * @return A new FocusListener for the JToolBar.
   */
  protected FocusListener createToolBarFocusListener()
  {
    return new ToolBarFocusListener();
  }

  /**
   * This method creates a new UI delegate for the given JComponent.
   *
   * @param c The JComponent to create a UI delegate for.
   *
   * @return A new UI delegate.
   */
  public static ComponentUI createUI(JComponent c)
  {
    return new BasicToolBarUI();
  }

  /**
   * This method is called to drag the DragWindow around when the JToolBar is
   * being dragged around.
   *
   * @param position The mouse cursor coordinates relative to the JToolBar.
   * @param origin The screen position of the JToolBar.
   */
  protected void dragTo(Point position, Point origin)
  {
    int loc = areaOfClick(origParent,
                          SwingUtilities.convertPoint(toolBar, position,
                                                      origParent));

    if (loc != -1)
      {
	dragWindow.setBorderColor(dockingBorderColor);
	dragWindow.setBackground(dockingColor);
      }
    else
      {
	dragWindow.setBorderColor(floatingBorderColor);
	dragWindow.setBackground(floatingColor);
      }

    int w = 0;
    int h = 0;

    boolean tmp = ((loc == SwingConstants.NORTH)
                  || (loc == SwingConstants.SOUTH) || (loc == -1));

    if (((cachedOrientation == SwingConstants.HORIZONTAL) && tmp)
        || ((cachedOrientation == VERTICAL) && ! tmp))
      {
	w = cachedBounds.width;
	h = cachedBounds.height;
      }
    else
      {
	w = cachedBounds.height;
	h = cachedBounds.width;
      }

    Point p = dragWindow.getOffset();
    Insets insets = toolBar.getInsets();

    dragWindow.setBounds((origin.x + position.x) - p.x
                         - ((insets.left + insets.right) / 2),
                         (origin.y + position.y) - p.y
                         - ((insets.top + insets.bottom) / 2), w, h);

    if (! dragWindow.isVisible())
      dragWindow.show();
  }

  /**
   * This method is used at the end of a drag session to place the frame in
   * either its original parent as a docked JToolBar or in its floating
   * frame.
   *
   * @param position The position of the mouse cursor relative to the
   *        JToolBar.
   * @param origin The screen position of the JToolBar before the drag session
   *        started.
   */
  protected void floatAt(Point position, Point origin)
  {
    Point p = new Point(position);
    int aoc = areaOfClick(origParent,
                          SwingUtilities.convertPoint(toolBar, p, origParent));

    Container oldParent = toolBar.getParent();

    oldParent.remove(toolBar);
    oldParent.doLayout();
    oldParent.repaint();

    Container newParent;

    if (aoc == -1)
      newParent = ((RootPaneContainer) floatFrame).getContentPane();
    else
      {
	floatFrame.hide();
	newParent = origParent;
      }

    String constraint;
    switch (aoc)
      {
      case SwingConstants.EAST:
	constraint = BorderLayout.EAST;
	break;
      case SwingConstants.NORTH:
	constraint = BorderLayout.NORTH;
	break;
      case SwingConstants.SOUTH:
	constraint = BorderLayout.SOUTH;
	break;
      case SwingConstants.WEST:
	constraint = BorderLayout.WEST;
	break;
      default:
	constraint = BorderLayout.CENTER;
	break;
      }

    int newOrientation = SwingConstants.HORIZONTAL;
    if ((aoc != -1)
        && ((aoc == SwingConstants.EAST) || (aoc == SwingConstants.WEST)))
      newOrientation = SwingConstants.VERTICAL;

    if (aoc != -1)
      {
	constraintBeforeFloating = constraint;
	lastGoodOrientation = newOrientation;
      }

    newParent.add(toolBar, constraint);

    setFloating(aoc == -1, null);
    toolBar.setOrientation(newOrientation);

    Insets insets = floatFrame.getInsets();
    Dimension dims = toolBar.getPreferredSize();
    p = dragWindow.getOffset();
    setFloatingLocation((position.x + origin.x) - p.x
                        - ((insets.left + insets.right) / 2),
                        (position.y + origin.y) - p.y
                        - ((insets.top + insets.bottom) / 2));

    if (aoc == -1)
      {
	floatFrame.pack();
	floatFrame.setSize(dims.width + insets.left + insets.right,
	                   dims.height + insets.top + insets.bottom);
	floatFrame.show();
      }

    newParent.invalidate();
    newParent.validate();
    newParent.repaint();
  }

  /**
   * This method returns the docking color.
   *
   * @return The docking color.
   */
  public Color getDockingColor()
  {
    return dockingColor;
  }

  /**
   * This method returns the Color which is displayed when over a floating
   * area.
   *
   * @return The color which is displayed when over a floating area.
   */
  public Color getFloatingColor()
  {
    return floatingColor;
  }

  /**
   * This method returns the maximum size of the given JComponent for this UI.
   *
   * @param c The JComponent to find the maximum size for.
   *
   * @return The maximum size for this UI.
   */
  public Dimension getMaximumSize(JComponent c)
  {
    return getPreferredSize(c);
  }

  /**
   * This method returns the minimum size of the given JComponent for this UI.
   *
   * @param c The JComponent to find a minimum size for.
   *
   * @return The minimum size for this UI.
   */
  public Dimension getMinimumSize(JComponent c)
  {
    return getPreferredSize(c);
  }

  /**
   * This method returns the preferred size of the given JComponent for this
   * UI.
   *
   * @param c The JComponent to find a preferred size for.
   *
   * @return The preferred size for this UI.
   */
  public Dimension getPreferredSize(JComponent c)
  {
    return toolBar.getLayout().preferredLayoutSize(c);
  }

  /**
   * This method installs the needed components for the JToolBar.
   */
  protected void installComponents()
  {
    floatFrame = (Window) createFloatingWindow(toolBar);

    dragWindow = createDragWindow(toolBar);

    cachedBounds = toolBar.getPreferredSize();
    cachedOrientation = toolBar.getOrientation();

    nonRolloverBorder = createNonRolloverBorder();
    rolloverBorder = createRolloverBorder();

    borders = new Hashtable();

    fillHashtable();
  }

  /**
   * This method installs the defaults as specified by the look and feel.
   */
  protected void installDefaults()
  {
    UIDefaults defaults = UIManager.getLookAndFeelDefaults();

    toolBar.setBorder(new ToolBarBorder());
    toolBar.setBackground(defaults.getColor("ToolBar.background"));
    toolBar.setForeground(defaults.getColor("ToolBar.foreground"));
    toolBar.setFont(defaults.getFont("ToolBar.font"));

    dockingBorderColor = defaults.getColor("ToolBar.dockingForeground");
    dockingColor = defaults.getColor("ToolBar.dockingBackground");

    floatingBorderColor = defaults.getColor("ToolBar.floatingForeground");
    floatingColor = defaults.getColor("ToolBar.floatingBackground");
  }

  /**
   * This method installs the keyboard actions for the JToolBar as specified
   * by the look and feel.
   */
  protected void installKeyboardActions()
  {
    // FIXME: implement.
  }

  /**
   * This method installs listeners for the JToolBar.
   *
   * @param toolbar The JToolBar to register listeners for.
   */
  protected void installListeners(JToolBar toolbar)
  {
    dockingListener = createDockingListener();
    toolBar.addMouseListener(dockingListener);
    toolBar.addMouseMotionListener(dockingListener);

    propertyListener = createPropertyListener();
    toolBar.addPropertyChangeListener(propertyListener);

    toolBarContListener = createToolBarContListener();
    toolBar.addContainerListener(toolBarContListener);

    windowListener = createFrameListener();
    floatFrame.addWindowListener(windowListener);

    toolBarFocusListener = createToolBarFocusListener();
    toolBar.addFocusListener(toolBarFocusListener);
  }

  /**
   * This method installs non rollover borders for each component inside the
   * given JComponent.
   *
   * @param c The JComponent whose children need to have non rollover borders
   *        installed.
   */
  protected void installNonRolloverBorders(JComponent c)
  {
    Component[] components = toolBar.getComponents();

    for (int i = 0; i < components.length; i++)
      setBorderToNonRollover(components[i]);
  }

  /**
   * This method installs normal (or their original) borders for each
   * component inside the given JComponent.
   *
   * @param c The JComponent whose children need to have their original
   *        borders installed.
   */
  protected void installNormalBorders(JComponent c)
  {
    Component[] components = toolBar.getComponents();

    for (int i = 0; i < components.length; i++)
      setBorderToNormal(components[i]);
  }

  /**
   * This method install rollover borders for each component inside the given
   * JComponent.
   *
   * @param c The JComponent whose children need to have rollover borders
   *        installed.
   */
  protected void installRolloverBorders(JComponent c)
  {
    Component[] components = toolBar.getComponents();

    for (int i = 0; i < components.length; i++)
      setBorderToRollover(components[i]);
  }

  /**
   * This method fills the borders hashtable with a list of components that
   * are JButtons and their borders.
   */
  private void fillHashtable()
  {
    Component[] c = toolBar.getComponents();

    for (int i = 0; i < c.length; i++)
      {
	if (c[i] instanceof JButton)
	  {
	    // Don't really care about anything other than JButtons
	    JButton b = (JButton) c[i];

	    if (b.getBorder() != null)
	      borders.put(b, b.getBorder());
	  }
      }
  }

  /**
   * This method installs the UI for the given JComponent.
   *
   * @param c The JComponent to install a UI for.
   */
  public void installUI(JComponent c)
  {
    super.installUI(c);

    if (c instanceof JToolBar)
      {
	toolBar = (JToolBar) c;
	toolBar.setOpaque(true);
	installDefaults();
	installComponents();
	installListeners(toolBar);
	installKeyboardActions();
      }
  }

  /**
   * This method returns whether the JToolBar is floating.
   *
   * @return Whether the JToolBar is floating.
   */
  public boolean isFloating()
  {
    return floatFrame.isVisible();
  }

  /**
   * This method returns whether rollover borders have been set.
   *
   * @return Whether rollover borders have been set.
   */
  public boolean isRolloverBorders()
  {
    return toolBar.isRollover();
  }

  /**
   * This method navigates in the given direction giving focus to the next
   * component in the given direction.
   *
   * @param direction The direction to give focus to.
   */
  protected void navigateFocusedComp(int direction)
  {
    // FIXME: Implement.
  }

  /**
   * This method sets the border of the given component to a non rollover
   * border.
   *
   * @param c The Component whose border needs to be set.
   */
  protected void setBorderToNonRollover(Component c)
  {
    if (c instanceof JButton)
      {
	JButton b = (JButton) c;
	b.setRolloverEnabled(false);
	b.setBorder(nonRolloverBorder);
      }
  }

  /**
   * This method sets the border of the given component to its original value.
   *
   * @param c The Component whose border needs to be set.
   */
  protected void setBorderToNormal(Component c)
  {
    if (c instanceof JButton)
      {
	JButton b = (JButton) c;
	Border border = (Border) borders.get(b);
	b.setBorder(border);
      }
  }

  /**
   * This method sets the border of the given component to a rollover border.
   *
   * @param c The Component whose border needs to be set.
   */
  protected void setBorderToRollover(Component c)
  {
    if (c instanceof JButton)
      {
	JButton b = (JButton) c;
	b.setRolloverEnabled(true);
	b.setBorder(rolloverBorder);
      }
  }

  /**
   * This method sets the docking color.
   *
   * @param c The docking color.
   */
  public void setDockingColor(Color c)
  {
    dockingColor = c;
  }

  /**
   * This method sets the floating property for the JToolBar.
   *
   * @param b Whether the JToolBar is floating.
   * @param p FIXME
   */
  public void setFloating(boolean b, Point p)
  {
    // FIXME: use p for something. It's not location
    // since we already have setFloatingLocation.
    floatFrame.setVisible(b);
  }

  /**
   * This method sets the color displayed when the JToolBar is not in a
   * dockable area.
   *
   * @param c The floating color.
   */
  public void setFloatingColor(Color c)
  {
    floatingColor = c;
  }

  /**
   * This method sets the floating location of the JToolBar.
   *
   * @param x The x coordinate for the floating frame.
   * @param y The y coordinate for the floating frame.
   */
  public void setFloatingLocation(int x, int y)
  {
    // x,y are the coordinates of the new JFrame created to store the toolbar
    // XXX: The floating location is bogus is not floating.
    floatFrame.setLocation(x, y);
    floatFrame.invalidate();
    floatFrame.validate();
    floatFrame.repaint();
  }

  /**
   * This is a convenience method for changing the orientation of the
   * JToolBar.
   *
   * @param orientation The new orientation.
   */
  public void setOrientation(int orientation)
  {
    toolBar.setOrientation(orientation);
  }

  /**
   * This method changes the child components to have rollover borders if the
   * given parameter is true. Otherwise, the components are set to have non
   * rollover borders.
   *
   * @param rollover Whether the children will have rollover borders.
   */
  public void setRolloverBorders(boolean rollover)
  {
    if (rollover)
      installRolloverBorders(toolBar);
    else
      installNonRolloverBorders(toolBar);
  }

  /**
   * This method uninstall UI installed components from the JToolBar.
   */
  protected void uninstallComponents()
  {
    installNormalBorders(toolBar);
    borders = null;
    rolloverBorder = null;
    nonRolloverBorder = null;
    cachedBounds = null;

    floatFrame = null;
    dragWindow = null;
  }

  /**
   * This method removes the defaults installed by the Look and Feel.
   */
  protected void uninstallDefaults()
  {
    toolBar.setBackground(null);
    toolBar.setForeground(null);
    toolBar.setFont(null);

    dockingBorderColor = null;
    dockingColor = null;
    floatingBorderColor = null;
    floatingColor = null;
  }

  /**
   * This method uninstalls keyboard actions installed by the UI.
   */
  protected void uninstallKeyboardActions()
  {
    // FIXME: implement.
  }

  /**
   * This method uninstalls listeners installed by the UI.
   */
  protected void uninstallListeners()
  {
    toolBar.removeFocusListener(toolBarFocusListener);
    toolBarFocusListener = null;

    floatFrame.removeWindowListener(windowListener);
    windowListener = null;

    toolBar.removeContainerListener(toolBarContListener);
    toolBarContListener = null;

    toolBar.removeMouseMotionListener(dockingListener);
    toolBar.removeMouseListener(dockingListener);
    dockingListener = null;
  }

  /**
   * This method uninstalls the UI.
   *
   * @param c The JComponent that is having this UI removed.
   */
  public void uninstallUI(JComponent c)
  {
    uninstallKeyboardActions();
    uninstallListeners();
    uninstallComponents();
    uninstallDefaults();
    toolBar = null;
  }

  /**
   * This is the MouseHandler class that allows the user to drag the JToolBar
   * in and out of the parent and dock it if it can.
   */
  public class DockingListener implements MouseInputListener
  {
    /** Whether the JToolBar is being dragged. */
    protected boolean isDragging;

    /**
     * The origin point. This point is saved from the beginning press and is
     * used until the end of the drag session.
     */
    protected Point origin;

    /** The JToolBar being dragged. */
    protected JToolBar toolBar;

    /**
     * Creates a new DockingListener object.
     *
     * @param t The JToolBar this DockingListener is being used for.
     */
    public DockingListener(JToolBar t)
    {
      toolBar = t;
    }

    /**
     * This method is called when the mouse is clicked.
     *
     * @param e The MouseEvent.
     */
    public void mouseClicked(MouseEvent e)
    {
      // Don't care.
    }

    /**
     * This method is called when the mouse is dragged. It delegates the drag
     * painting to the dragTo method.
     *
     * @param e The MouseEvent.
     */
    public void mouseDragged(MouseEvent e)
    {
      if (isDragging)
	dragTo(e.getPoint(), origin);
    }

    /**
     * This method is called when the mouse enters the JToolBar.
     *
     * @param e The MouseEvent.
     */
    public void mouseEntered(MouseEvent e)
    {
      // Don't care (yet).
    }

    /**
     * This method is called when the mouse exits the JToolBar.
     *
     * @param e The MouseEvent.
     */
    public void mouseExited(MouseEvent e)
    {
      // Don't care (yet).
    }

    /**
     * This method is called when the mouse is moved in the JToolBar.
     *
     * @param e The MouseEvent.
     */
    public void mouseMoved(MouseEvent e)
    {
    }

    /**
     * This method is called when the mouse is pressed in the JToolBar. If the
     * press doesn't occur in a place where it causes the JToolBar to be
     * dragged, it returns. Otherwise, it starts a drag session.
     *
     * @param e The MouseEvent.
     */
    public void mousePressed(MouseEvent e)
    {
      if (! toolBar.isFloatable())
	return;

      Point ssd = e.getPoint();
      Insets insets = toolBar.getInsets();

      // Verify that this click occurs in the top inset.
      if (toolBar.getOrientation() == SwingConstants.HORIZONTAL)
        {
	  if (e.getX() > insets.left)
	    return;
        }
      else
        {
	  if (e.getY() > insets.top)
	    return;
        }

      origin = new Point(0, 0);
      SwingUtilities.convertPointToScreen(ssd, toolBar);

      if (! (SwingUtilities.getAncestorOfClass(Window.class, toolBar) instanceof UIResource))
	// Need to know who keeps the toolBar if it gets dragged back into it.
	origParent = toolBar.getParent();

      SwingUtilities.convertPointToScreen(origin, toolBar);

      isDragging = true;

      if (dragWindow != null)
	dragWindow.setOffset(new Point(e.getX(), e.getY()));

      dragTo(e.getPoint(), origin);
    }

    /**
     * This method is called when the mouse is released from the JToolBar.
     *
     * @param e The MouseEvent.
     */
    public void mouseReleased(MouseEvent e)
    {
      if (! isDragging || ! toolBar.isFloatable())
	return;

      isDragging = false;
      floatAt(e.getPoint(), origin);
      dragWindow.hide();
    }
  }

  /**
   * This is the window that appears when the JToolBar is being dragged
   * around.
   */
  protected class DragWindow extends Window
  {
    /**
     * The current border color. It changes depending on whether the JToolBar
     * is over a place that allows it to dock.
     */
    private Color borderColor;

    /** The between the mouse and the top left corner of the window. */
    private Point offset;

    /**
     * Creates a new DragWindow object.
     */
    private DragWindow()
    {
      super(owner);
    }

    /**
     * The color that the border should be.
     *
     * @return The border color.
     */
    public Color getBorderColor()
    {
      if (borderColor == null)
	return Color.BLACK;

      return borderColor;
    }

    /**
     * This method returns the insets for the DragWindow.
     *
     * @return The insets for the DragWindow.
     */
    public Insets getInsets()
    {
      // This window has no decorations, so insets are empty.
      return new Insets(0, 0, 0, 0);
    }

    /**
     * This method returns the mouse offset from the top left corner of the
     * DragWindow.
     *
     * @return The mouse offset.
     */
    public Point getOffset()
    {
      return offset;
    }

    /**
     * This method paints the DragWindow.
     *
     * @param g The Graphics object to paint with.
     */
    public void paint(Graphics g)
    {
      //  No visiting children necessary.
      Color saved = g.getColor();
      Rectangle b = getBounds();

      g.setColor(getBorderColor());
      g.drawRect(0, 0, b.width - 1, b.height - 1);

      g.setColor(saved);
    }

    /**
     * This method changes the border color.
     *
     * @param c The new border color.
     */
    public void setBorderColor(Color c)
    {
      borderColor = c;
    }

    /**
     * This method changes the mouse offset.
     *
     * @param p The new mouse offset.
     */
    public void setOffset(Point p)
    {
      offset = p;
    }

    /**
     * FIXME: Do something.
     *
     * @param o DOCUMENT ME!
     */
    public void setOrientation(int o)
    {
      // FIXME: implement.
    }
  }

  /**
   * This helper class listens for Window events from the floatable window and
   * if it is closed, returns the JToolBar to the last known good location.
   */
  protected class FrameListener extends WindowAdapter
  {
    /**
     * This method is called when the floating window is closed.
     *
     * @param e The WindowEvent.
     */
    public void windowClosing(WindowEvent e)
    {
      Container parent = toolBar.getParent();
      parent.remove(toolBar);

      if (origParent != null)
        {
	  origParent.add(toolBar,
	                 (constraintBeforeFloating != null)
	                 ? constraintBeforeFloating : BorderLayout.NORTH);
	  toolBar.setOrientation(lastGoodOrientation);
        }

      origParent.invalidate();
      origParent.validate();
      origParent.repaint();
    }
  }

  /**
   * This helper class listens for PropertyChangeEvents from the JToolBar.
   */
  protected class PropertyListener implements PropertyChangeListener
  {
    /**
     * This method is called when a property from the JToolBar is changed.
     *
     * @param e The PropertyChangeEvent.
     */
    public void propertyChange(PropertyChangeEvent e)
    {
      // FIXME: need name properties so can change floatFrame title.
      if (e.getPropertyName().equals("rollover"))
	setRolloverBorders(toolBar.isRollover());
    }
  }

  /**
   * This helper class listens for components added to and removed from the
   * JToolBar.
   */
  protected class ToolBarContListener implements ContainerListener
  {
    /**
     * This method is responsible for setting rollover or non rollover for new
     * buttons added to the JToolBar.
     *
     * @param e The ContainerEvent.
     */
    public void componentAdded(ContainerEvent e)
    {
      if (e.getChild() instanceof JButton)
        {
	  JButton b = (JButton) e.getChild();

	  if (b.getBorder() != null)
	    borders.put(b, b.getBorder());
        }

      if (isRolloverBorders())
	setBorderToRollover(e.getChild());
      else
	setBorderToNonRollover(e.getChild());

      cachedBounds = toolBar.getPreferredSize();
      cachedOrientation = toolBar.getOrientation();
    }

    /**
     * This method is responsible for giving the child components their
     * original borders when they are removed.
     *
     * @param e The ContainerEvent.
     */
    public void componentRemoved(ContainerEvent e)
    {
      setBorderToNormal(e.getChild());
      cachedBounds = toolBar.getPreferredSize();
      cachedOrientation = toolBar.getOrientation();
    }
  }

  /**
   * This is the floating window that is returned when getFloatingWindow is
   * called.
   */
  private class ToolBarDialog extends JDialog implements UIResource
  {
    /**
     * Creates a new ToolBarDialog object with the name given by the JToolBar.
     */
    public ToolBarDialog()
    {
      super();
      setName((toolBar.getName() != null) ? toolBar.getName() : "");
    }
  }

  /**
   * DOCUMENT ME!
   */
  protected class ToolBarFocusListener implements FocusListener
  {
    /**
     * Creates a new ToolBarFocusListener object.
     */
    protected ToolBarFocusListener()
    {
      // FIXME: implement.
    }

    /**
     * DOCUMENT ME!
     *
     * @param e DOCUMENT ME!
     */
    public void focusGained(FocusEvent e)
    {
      // FIXME: implement.
    }

    /**
     * DOCUMENT ME!
     *
     * @param e DOCUMENT ME!
     */
    public void focusLost(FocusEvent e)
    {
      // FIXME: implement.
    }
  }

  /**
   * This helper class acts as the border for the JToolBar.
   */
  private static class ToolBarBorder implements Border
  {
    /** The size of the larger, draggable side of the border. */
    private static final int offset = 10;

    /** The other sides. */
    private static final int regular = 2;

    /**
     * This method returns the border insets for the JToolBar.
     *
     * @param c The Component to find insets for.
     *
     * @return The border insets.
     */
    public Insets getBorderInsets(Component c)
    {
      if (c instanceof JToolBar)
        {
	  JToolBar tb = (JToolBar) c;
	  int orientation = tb.getOrientation();

	  if (! tb.isFloatable())
	    return new Insets(regular, regular, regular, regular);
	  else if (orientation == SwingConstants.HORIZONTAL)
	    return new Insets(regular, offset, regular, regular);
	  else
	    return new Insets(offset, regular, regular, regular);
        }

      return new Insets(0, 0, 0, 0);
    }

    /**
     * This method returns whether the border is opaque.
     *
     * @return Whether the border is opaque.
     */
    public boolean isBorderOpaque()
    {
      return false;
    }

    /**
     * This method paints the ribbed area of the border.
     *
     * @param g The Graphics object to paint with.
     * @param x The x coordinate of the area.
     * @param y The y coordinate of the area.
     * @param w The width of the area.
     * @param h The height of the area.
     * @param size The size of the bump.
     * @param c The color of the bumps.
     */
    private void paintBumps(Graphics g, int x, int y, int w, int h, int size,
                            Color c)
    {
      Color saved = g.getColor();
      g.setColor(c);

      int hgap = 2 * size;
      int vgap = 4 * size;
      int count = 0;

      for (int i = x; i < (w + x); i += hgap)
	for (int j = ((count++ % 2) == 0) ? y : (y + (2 * size)); j < (h + y);
	     j += vgap)
	  g.fillRect(i, j, size, size);

      g.setColor(saved);
    }

    /**
     * This method paints the border around the given Component.
     *
     * @param c The Component whose border is being painted.
     * @param g The Graphics object to paint with.
     * @param x The x coordinate of the component.
     * @param y The y coordinate of the component.
     * @param width The width of the component.
     * @param height The height of the component.
     */
    public void paintBorder(Component c, Graphics g, int x, int y, int width,
                            int height)
    {
      if (c instanceof JToolBar)
        {
	  JToolBar tb = (JToolBar) c;

	  int orientation = tb.getOrientation();

	  if (orientation == SwingConstants.HORIZONTAL)
	    {
	      paintBumps(g, x, y, offset, height, 1, Color.WHITE);
	      paintBumps(g, x + 1, y + 1, offset - 1, height - 1, 1, Color.GRAY);
	    }
	  else
	    {
	      paintBumps(g, x, y, width, offset, 1, Color.WHITE);
	      paintBumps(g, x + 1, y + 1, width - 1, offset - 1, 1, Color.GRAY);
	    }
        }
    }
  }
}