jdk/src/share/classes/javax/swing/plaf/basic/BasicInternalFrameUI.java
changeset 2 90ce3da70b43
child 1277 61e297d24425
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/javax/swing/plaf/basic/BasicInternalFrameUI.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,1473 @@
+/*
+ * Copyright 1997-2006 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package javax.swing.plaf.basic;
+
+import java.awt.*;
+import java.awt.event.*;
+import java.awt.peer.LightweightPeer;
+
+import javax.swing.*;
+import javax.swing.border.*;
+import javax.swing.plaf.*;
+import javax.swing.event.*;
+
+import java.beans.*;
+import java.io.Serializable;
+
+import sun.swing.DefaultLookup;
+import sun.swing.UIAction;
+
+/**
+ * A basic L&F implementation of JInternalFrame.
+ *
+ * @author David Kloba
+ * @author Rich Schiavi
+ */
+public class BasicInternalFrameUI extends InternalFrameUI
+{
+
+    protected JInternalFrame frame;
+
+    private Handler handler;
+    protected MouseInputAdapter          borderListener;
+    protected PropertyChangeListener     propertyChangeListener;
+    protected LayoutManager              internalFrameLayout;
+    protected ComponentListener          componentListener;
+    protected MouseInputListener         glassPaneDispatcher;
+    private InternalFrameListener        internalFrameListener;
+
+    protected JComponent northPane;
+    protected JComponent southPane;
+    protected JComponent westPane;
+    protected JComponent eastPane;
+
+    protected BasicInternalFrameTitlePane titlePane; // access needs this
+
+    private static DesktopManager sharedDesktopManager;
+    private boolean componentListenerAdded = false;
+
+    private Rectangle parentBounds;
+
+    private boolean dragging = false;
+    private boolean resizing = false;
+
+    /**
+     * As of Java 2 platform v1.3 this previously undocumented field is no
+     * longer used.
+     * Key bindings are now defined by the LookAndFeel, please refer to
+     * the key bindings specification for further details.
+     *
+     * @deprecated As of Java 2 platform v1.3.
+     */
+    @Deprecated
+    protected KeyStroke openMenuKey;
+
+    private boolean keyBindingRegistered = false;
+    private boolean keyBindingActive = false;
+
+/////////////////////////////////////////////////////////////////////////////
+// ComponentUI Interface Implementation methods
+/////////////////////////////////////////////////////////////////////////////
+    public static ComponentUI createUI(JComponent b)    {
+        return new BasicInternalFrameUI((JInternalFrame)b);
+    }
+
+    public BasicInternalFrameUI(JInternalFrame b)   {
+        LookAndFeel laf = UIManager.getLookAndFeel();
+        if (laf instanceof BasicLookAndFeel) {
+            ((BasicLookAndFeel)laf).installAWTEventListener();
+        }
+    }
+
+    public void installUI(JComponent c)   {
+
+        frame = (JInternalFrame)c;
+
+        installDefaults();
+        installListeners();
+        installComponents();
+        installKeyboardActions();
+
+        LookAndFeel.installProperty(frame, "opaque", Boolean.TRUE);
+    }
+
+    public void uninstallUI(JComponent c) {
+        if(c != frame)
+            throw new IllegalComponentStateException(
+                this + " was asked to deinstall() "
+                + c + " when it only knows about "
+                + frame + ".");
+
+        uninstallKeyboardActions();
+        uninstallComponents();
+        uninstallListeners();
+        uninstallDefaults();
+        updateFrameCursor();
+        handler = null;
+        frame = null;
+    }
+
+    protected void installDefaults(){
+        Icon frameIcon = frame.getFrameIcon();
+        if (frameIcon == null || frameIcon instanceof UIResource) {
+            frame.setFrameIcon(UIManager.getIcon("InternalFrame.icon"));
+        }
+
+        // Enable the content pane to inherit background color from its
+        // parent by setting its background color to null.
+        Container contentPane = frame.getContentPane();
+        if (contentPane != null) {
+          Color bg = contentPane.getBackground();
+          if (bg instanceof UIResource)
+            contentPane.setBackground(null);
+        }
+        frame.setLayout(internalFrameLayout = createLayoutManager());
+        frame.setBackground(UIManager.getLookAndFeelDefaults().getColor("control"));
+
+        LookAndFeel.installBorder(frame, "InternalFrame.border");
+
+    }
+    protected void installKeyboardActions(){
+        createInternalFrameListener();
+        if (internalFrameListener != null) {
+            frame.addInternalFrameListener(internalFrameListener);
+        }
+
+        LazyActionMap.installLazyActionMap(frame, BasicInternalFrameUI.class,
+            "InternalFrame.actionMap");
+    }
+
+    static void loadActionMap(LazyActionMap map) {
+        map.put(new UIAction("showSystemMenu") {
+            public void actionPerformed(ActionEvent evt) {
+                JInternalFrame iFrame = (JInternalFrame)evt.getSource();
+                if (iFrame.getUI() instanceof BasicInternalFrameUI) {
+                    JComponent comp = ((BasicInternalFrameUI)
+                        iFrame.getUI()).getNorthPane();
+                    if (comp instanceof BasicInternalFrameTitlePane) {
+                        ((BasicInternalFrameTitlePane)comp).
+                            showSystemMenu();
+                    }
+                }
+            }
+
+            public boolean isEnabled(Object sender){
+                if (sender instanceof JInternalFrame) {
+                    JInternalFrame iFrame = (JInternalFrame)sender;
+                    if (iFrame.getUI() instanceof BasicInternalFrameUI) {
+                        return ((BasicInternalFrameUI)iFrame.getUI()).
+                            isKeyBindingActive();
+                    }
+                }
+                return false;
+            }
+        });
+
+        // Set the ActionMap's parent to the Auditory Feedback Action Map
+        BasicLookAndFeel.installAudioActionMap(map);
+    }
+
+    protected void installComponents(){
+        setNorthPane(createNorthPane(frame));
+        setSouthPane(createSouthPane(frame));
+        setEastPane(createEastPane(frame));
+        setWestPane(createWestPane(frame));
+    }
+
+    /**
+     * @since 1.3
+     */
+    protected void installListeners() {
+        borderListener = createBorderListener(frame);
+        propertyChangeListener = createPropertyChangeListener();
+        frame.addPropertyChangeListener(propertyChangeListener);
+        installMouseHandlers(frame);
+        glassPaneDispatcher = createGlassPaneDispatcher();
+        if (glassPaneDispatcher != null) {
+            frame.getGlassPane().addMouseListener(glassPaneDispatcher);
+            frame.getGlassPane().addMouseMotionListener(glassPaneDispatcher);
+        }
+        componentListener =  createComponentListener();
+        if (frame.getParent() != null) {
+          parentBounds = frame.getParent().getBounds();
+        }
+        if ((frame.getParent() != null) && !componentListenerAdded) {
+          frame.getParent().addComponentListener(componentListener);
+          componentListenerAdded = true;
+        }
+    }
+
+    // Provide a FocusListener to listen for a WINDOW_LOST_FOCUS event,
+    // so that a resize can be cancelled if the focus is lost while resizing
+    // when an Alt-Tab, modal dialog popup, iconify, dispose, or remove
+    // of the internal frame occurs.
+    private WindowFocusListener getWindowFocusListener(){
+        return getHandler();
+    }
+
+    // Cancel a resize in progress by calling finishMouseReleased().
+    private void cancelResize() {
+        if (resizing) {
+            if (borderListener instanceof BorderListener) {
+                ((BorderListener)borderListener).finishMouseReleased();
+            }
+        }
+    }
+
+    private Handler getHandler() {
+        if (handler == null) {
+            handler = new Handler();
+        }
+        return handler;
+    }
+
+    InputMap getInputMap(int condition) {
+        if (condition == JComponent.WHEN_IN_FOCUSED_WINDOW) {
+            return createInputMap(condition);
+        }
+        return null;
+    }
+
+    InputMap createInputMap(int condition) {
+        if (condition == JComponent.WHEN_IN_FOCUSED_WINDOW) {
+            Object[] bindings = (Object[])DefaultLookup.get(
+                    frame, this, "InternalFrame.windowBindings");
+
+            if (bindings != null) {
+                return LookAndFeel.makeComponentInputMap(frame, bindings);
+            }
+        }
+        return null;
+    }
+
+    protected void uninstallDefaults() {
+        Icon frameIcon = frame.getFrameIcon();
+        if (frameIcon instanceof UIResource) {
+            frame.setFrameIcon(null);
+        }
+        internalFrameLayout = null;
+        frame.setLayout(null);
+        LookAndFeel.uninstallBorder(frame);
+    }
+
+    protected void uninstallComponents(){
+        setNorthPane(null);
+        setSouthPane(null);
+        setEastPane(null);
+        setWestPane(null);
+        if(titlePane != null) {
+            titlePane.uninstallDefaults();
+        }
+        titlePane = null;
+    }
+
+    /**
+     * @since 1.3
+     */
+    protected void uninstallListeners() {
+      if ((frame.getParent() != null) && componentListenerAdded) {
+        frame.getParent().removeComponentListener(componentListener);
+        componentListenerAdded = false;
+      }
+      componentListener = null;
+      if (glassPaneDispatcher != null) {
+          frame.getGlassPane().removeMouseListener(glassPaneDispatcher);
+          frame.getGlassPane().removeMouseMotionListener(glassPaneDispatcher);
+          glassPaneDispatcher = null;
+      }
+      deinstallMouseHandlers(frame);
+      frame.removePropertyChangeListener(propertyChangeListener);
+      propertyChangeListener = null;
+      borderListener = null;
+    }
+
+    protected void uninstallKeyboardActions(){
+        if (internalFrameListener != null) {
+            frame.removeInternalFrameListener(internalFrameListener);
+        }
+        internalFrameListener = null;
+
+        SwingUtilities.replaceUIInputMap(frame, JComponent.
+                                         WHEN_IN_FOCUSED_WINDOW, null);
+        SwingUtilities.replaceUIActionMap(frame, null);
+
+    }
+
+    void updateFrameCursor() {
+        if (resizing) {
+            return;
+        }
+        Cursor s = (Cursor)frame.getLastCursor();
+        if (s == null) {
+            s = Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR);
+        }
+        frame.setCursor(s);
+    }
+
+    protected LayoutManager createLayoutManager(){
+        return getHandler();
+    }
+
+    protected PropertyChangeListener createPropertyChangeListener(){
+        return getHandler();
+    }
+
+
+
+    public Dimension getPreferredSize(JComponent x)    {
+        if((JComponent)frame == x)
+            return frame.getLayout().preferredLayoutSize(x);
+        return new Dimension(100, 100);
+    }
+
+    public Dimension getMinimumSize(JComponent x)  {
+        if((JComponent)frame == x) {
+            return frame.getLayout().minimumLayoutSize(x);
+        }
+        return new Dimension(0, 0);
+    }
+
+    public Dimension getMaximumSize(JComponent x) {
+        return new Dimension(Integer.MAX_VALUE, Integer.MAX_VALUE);
+    }
+
+
+
+    /**
+      * Installs necessary mouse handlers on <code>newPane</code>
+      * and adds it to the frame.
+      * Reverse process for the <code>currentPane</code>.
+      */
+    protected void replacePane(JComponent currentPane, JComponent newPane) {
+        if(currentPane != null) {
+            deinstallMouseHandlers(currentPane);
+            frame.remove(currentPane);
+        }
+        if(newPane != null) {
+           frame.add(newPane);
+           installMouseHandlers(newPane);
+        }
+    }
+
+    protected void deinstallMouseHandlers(JComponent c) {
+      c.removeMouseListener(borderListener);
+      c.removeMouseMotionListener(borderListener);
+    }
+
+    protected void installMouseHandlers(JComponent c) {
+      c.addMouseListener(borderListener);
+      c.addMouseMotionListener(borderListener);
+    }
+
+    protected JComponent createNorthPane(JInternalFrame w) {
+      titlePane = new BasicInternalFrameTitlePane(w);
+      return titlePane;
+    }
+
+
+    protected JComponent createSouthPane(JInternalFrame w) {
+        return null;
+    }
+
+    protected JComponent createWestPane(JInternalFrame w) {
+        return null;
+    }
+
+    protected JComponent createEastPane(JInternalFrame w) {
+        return null;
+    }
+
+
+    protected MouseInputAdapter createBorderListener(JInternalFrame w) {
+        return new BorderListener();
+    }
+
+    protected void createInternalFrameListener(){
+        internalFrameListener = getHandler();
+    }
+
+    protected final boolean isKeyBindingRegistered(){
+      return keyBindingRegistered;
+    }
+
+    protected final void setKeyBindingRegistered(boolean b){
+      keyBindingRegistered = b;
+    }
+
+    public final boolean isKeyBindingActive(){
+      return keyBindingActive;
+    }
+
+    protected final void setKeyBindingActive(boolean b){
+      keyBindingActive = b;
+    }
+
+
+    protected void setupMenuOpenKey(){
+        // PENDING(hania): Why are these WHEN_IN_FOCUSED_WINDOWs? Shouldn't
+        // they be WHEN_ANCESTOR_OF_FOCUSED_COMPONENT?
+        // Also, no longer registering on the desktopicon, the previous
+        // action did nothing.
+        InputMap map = getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
+        SwingUtilities.replaceUIInputMap(frame,
+                                      JComponent.WHEN_IN_FOCUSED_WINDOW, map);
+        //ActionMap actionMap = getActionMap();
+        //SwingUtilities.replaceUIActionMap(frame, actionMap);
+    }
+
+    protected void setupMenuCloseKey(){
+    }
+
+    public JComponent getNorthPane() {
+        return northPane;
+    }
+
+    public void setNorthPane(JComponent c) {
+        if (northPane != null &&
+                northPane instanceof BasicInternalFrameTitlePane) {
+            ((BasicInternalFrameTitlePane)northPane).uninstallListeners();
+        }
+        replacePane(northPane, c);
+        northPane = c;
+        if (c instanceof BasicInternalFrameTitlePane) {
+          titlePane = (BasicInternalFrameTitlePane)c;
+        }
+    }
+
+    public JComponent getSouthPane() {
+        return southPane;
+    }
+
+    public void setSouthPane(JComponent c) {
+        southPane = c;
+    }
+
+    public JComponent getWestPane() {
+        return westPane;
+    }
+
+    public void setWestPane(JComponent c) {
+        westPane = c;
+    }
+
+    public JComponent getEastPane() {
+        return eastPane;
+    }
+
+    public void setEastPane(JComponent c) {
+        eastPane = c;
+    }
+
+    public class InternalFramePropertyChangeListener implements
+        PropertyChangeListener {
+        // NOTE: This class exists only for backward compatability. All
+        // its functionality has been moved into Handler. If you need to add
+        // new functionality add it to the Handler, but make sure this
+        // class calls into the Handler.
+        /**
+         * Detects changes in state from the JInternalFrame and handles
+         * actions.
+         */
+        public void propertyChange(PropertyChangeEvent evt) {
+            getHandler().propertyChange(evt);
+        }
+    }
+
+  public class InternalFrameLayout implements LayoutManager {
+    // NOTE: This class exists only for backward compatability. All
+    // its functionality has been moved into Handler. If you need to add
+    // new functionality add it to the Handler, but make sure this
+    // class calls into the Handler.
+    public void addLayoutComponent(String name, Component c) {
+        getHandler().addLayoutComponent(name, c);
+    }
+
+    public void removeLayoutComponent(Component c) {
+        getHandler().removeLayoutComponent(c);
+    }
+
+    public Dimension preferredLayoutSize(Container c)  {
+        return getHandler().preferredLayoutSize(c);
+    }
+
+    public Dimension minimumLayoutSize(Container c) {
+        return getHandler().minimumLayoutSize(c);
+    }
+
+    public void layoutContainer(Container c) {
+        getHandler().layoutContainer(c);
+    }
+  }
+
+/// DesktopManager methods
+    /** Returns the proper DesktopManager. Calls getDesktopPane() to
+      * find the JDesktop component and returns the desktopManager from
+      * it. If this fails, it will return a default DesktopManager that
+      * should work in arbitrary parents.
+      */
+    protected DesktopManager getDesktopManager() {
+        if(frame.getDesktopPane() != null
+           && frame.getDesktopPane().getDesktopManager() != null)
+            return frame.getDesktopPane().getDesktopManager();
+        if(sharedDesktopManager == null)
+          sharedDesktopManager = createDesktopManager();
+        return sharedDesktopManager;
+    }
+
+    protected DesktopManager createDesktopManager(){
+      return new DefaultDesktopManager();
+    }
+
+    /**
+     * This method is called when the user wants to close the frame.
+     * The <code>playCloseSound</code> Action is fired.
+     * This action is delegated to the desktopManager.
+     */
+    protected void closeFrame(JInternalFrame f) {
+        // Internal Frame Auditory Cue Activation
+        BasicLookAndFeel.playSound(frame,"InternalFrame.closeSound");
+        // delegate to desktop manager
+        getDesktopManager().closeFrame(f);
+    }
+
+    /**
+     * This method is called when the user wants to maximize the frame.
+     * The <code>playMaximizeSound</code> Action is fired.
+     * This action is delegated to the desktopManager.
+     */
+    protected void maximizeFrame(JInternalFrame f) {
+        // Internal Frame Auditory Cue Activation
+        BasicLookAndFeel.playSound(frame,"InternalFrame.maximizeSound");
+        // delegate to desktop manager
+        getDesktopManager().maximizeFrame(f);
+    }
+
+    /**
+     * This method is called when the user wants to minimize the frame.
+     * The <code>playRestoreDownSound</code> Action is fired.
+     * This action is delegated to the desktopManager.
+     */
+    protected void minimizeFrame(JInternalFrame f) {
+        // Internal Frame Auditory Cue Activation
+        if ( ! f.isIcon() ) {
+            // This method seems to regularly get called after an
+            // internal frame is iconified. Don't play this sound then.
+            BasicLookAndFeel.playSound(frame,"InternalFrame.restoreDownSound");
+        }
+        // delegate to desktop manager
+        getDesktopManager().minimizeFrame(f);
+    }
+
+    /**
+     * This method is called when the user wants to iconify the frame.
+     * The <code>playMinimizeSound</code> Action is fired.
+     * This action is delegated to the desktopManager.
+     */
+    protected void iconifyFrame(JInternalFrame f) {
+        // Internal Frame Auditory Cue Activation
+        BasicLookAndFeel.playSound(frame, "InternalFrame.minimizeSound");
+        // delegate to desktop manager
+        getDesktopManager().iconifyFrame(f);
+    }
+
+    /**
+     * This method is called when the user wants to deiconify the frame.
+     * The <code>playRestoreUpSound</code> Action is fired.
+     * This action is delegated to the desktopManager.
+     */
+    protected void deiconifyFrame(JInternalFrame f) {
+        // Internal Frame Auditory Cue Activation
+        if ( ! f.isMaximum() ) {
+            // This method seems to regularly get called after an
+            // internal frame is maximized. Don't play this sound then.
+            BasicLookAndFeel.playSound(frame, "InternalFrame.restoreUpSound");
+        }
+        // delegate to desktop manager
+        getDesktopManager().deiconifyFrame(f);
+    }
+
+    /** This method is called when the frame becomes selected.
+      * This action is delegated to the desktopManager.
+      */
+    protected void activateFrame(JInternalFrame f) {
+        getDesktopManager().activateFrame(f);
+    }
+    /** This method is called when the frame is no longer selected.
+      * This action is delegated to the desktopManager.
+      */
+    protected void deactivateFrame(JInternalFrame f) {
+        getDesktopManager().deactivateFrame(f);
+    }
+
+    /////////////////////////////////////////////////////////////////////////
+    /// Border Listener Class
+    /////////////////////////////////////////////////////////////////////////
+    /**
+     * Listens for border adjustments.
+     */
+    protected class BorderListener extends MouseInputAdapter implements SwingConstants
+    {
+        // _x & _y are the mousePressed location in absolute coordinate system
+        int _x, _y;
+        // __x & __y are the mousePressed location in source view's coordinate system
+        int __x, __y;
+        Rectangle startingBounds;
+        int resizeDir;
+
+
+        protected final int RESIZE_NONE  = 0;
+        private boolean discardRelease = false;
+
+        int resizeCornerSize = 16;
+
+        public void mouseClicked(MouseEvent e) {
+            if(e.getClickCount() > 1 && e.getSource() == getNorthPane()) {
+                if(frame.isIconifiable() && frame.isIcon()) {
+                    try { frame.setIcon(false); } catch (PropertyVetoException e2) { }
+                } else if(frame.isMaximizable()) {
+                    if(!frame.isMaximum())
+                        try { frame.setMaximum(true); } catch (PropertyVetoException e2) { }
+                    else
+                        try { frame.setMaximum(false); } catch (PropertyVetoException e3) { }
+                }
+            }
+        }
+
+        // Factor out finishMouseReleased() from mouseReleased(), so that
+        // it can be called by cancelResize() without passing it a null
+        // MouseEvent.
+        void finishMouseReleased() {
+           if (discardRelease) {
+             discardRelease = false;
+             return;
+          }
+            if (resizeDir == RESIZE_NONE) {
+                getDesktopManager().endDraggingFrame(frame);
+                dragging = false;
+            } else {
+                // Remove the WindowFocusListener for handling a
+                // WINDOW_LOST_FOCUS event with a cancelResize().
+                Window windowAncestor =
+                    SwingUtilities.getWindowAncestor(frame);
+                if (windowAncestor != null) {
+                    windowAncestor.removeWindowFocusListener(
+                        getWindowFocusListener());
+                }
+                Container c = frame.getTopLevelAncestor();
+                if (c instanceof RootPaneContainer) {
+                    Component glassPane = ((RootPaneContainer)c).getGlassPane();
+                    glassPane.setCursor(Cursor.getPredefinedCursor(
+                        Cursor.DEFAULT_CURSOR));
+                    glassPane.setVisible(false);
+                }
+                getDesktopManager().endResizingFrame(frame);
+                resizing = false;
+            }
+            _x = 0;
+            _y = 0;
+            __x = 0;
+            __y = 0;
+            startingBounds = null;
+            resizeDir = RESIZE_NONE;
+            // Set discardRelease to true, so that only a mousePressed()
+            // which sets it to false, will allow entry to the above code
+            // for finishing a resize.
+            discardRelease = true;
+        }
+
+        public void mouseReleased(MouseEvent e) {
+            finishMouseReleased();
+        }
+
+        public void mousePressed(MouseEvent e) {
+            Point p = SwingUtilities.convertPoint((Component)e.getSource(),
+                        e.getX(), e.getY(), null);
+            __x = e.getX();
+            __y = e.getY();
+            _x = p.x;
+            _y = p.y;
+            startingBounds = frame.getBounds();
+            resizeDir = RESIZE_NONE;
+            discardRelease = false;
+
+            try { frame.setSelected(true); }
+            catch (PropertyVetoException e1) { }
+
+            Insets i = frame.getInsets();
+
+            Point ep = new Point(__x, __y);
+            if (e.getSource() == getNorthPane()) {
+                Point np = getNorthPane().getLocation();
+                ep.x += np.x;
+                ep.y += np.y;
+            }
+
+            if (e.getSource() == getNorthPane()) {
+                if (ep.x > i.left && ep.y > i.top && ep.x < frame.getWidth() - i.right) {
+                    getDesktopManager().beginDraggingFrame(frame);
+                    dragging = true;
+                    return;
+                }
+            }
+            if (!frame.isResizable()) {
+              return;
+            }
+
+            if (e.getSource() == frame || e.getSource() == getNorthPane()) {
+                if (ep.x <= i.left) {
+                    if (ep.y < resizeCornerSize + i.top) {
+                        resizeDir = NORTH_WEST;
+                    } else if (ep.y > frame.getHeight()
+                              - resizeCornerSize - i.bottom) {
+                        resizeDir = SOUTH_WEST;
+                    } else {
+                        resizeDir = WEST;
+}
+                } else if (ep.x >= frame.getWidth() - i.right) {
+                    if (ep.y < resizeCornerSize + i.top) {
+                        resizeDir = NORTH_EAST;
+                    } else if (ep.y > frame.getHeight()
+                              - resizeCornerSize - i.bottom) {
+                        resizeDir = SOUTH_EAST;
+                    } else {
+                        resizeDir = EAST;
+                    }
+                } else if (ep.y <= i.top) {
+                    if (ep.x < resizeCornerSize + i.left) {
+                        resizeDir = NORTH_WEST;
+                    } else if (ep.x > frame.getWidth()
+                              - resizeCornerSize - i.right) {
+                        resizeDir = NORTH_EAST;
+                    } else {
+                        resizeDir = NORTH;
+                    }
+                } else if (ep.y >= frame.getHeight() - i.bottom) {
+                    if (ep.x < resizeCornerSize + i.left) {
+                        resizeDir = SOUTH_WEST;
+                    } else if (ep.x > frame.getWidth()
+                              - resizeCornerSize - i.right) {
+                        resizeDir = SOUTH_EAST;
+                    } else {
+                      resizeDir = SOUTH;
+                    }
+                } else {
+                  /* the mouse press happened inside the frame, not in the
+                     border */
+                  discardRelease = true;
+                  return;
+                }
+                Cursor s = Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR);
+                switch (resizeDir) {
+                case SOUTH:
+                  s = Cursor.getPredefinedCursor(Cursor.S_RESIZE_CURSOR);
+                  break;
+                case NORTH:
+                  s = Cursor.getPredefinedCursor(Cursor.N_RESIZE_CURSOR);
+                  break;
+                case WEST:
+                  s = Cursor.getPredefinedCursor(Cursor.W_RESIZE_CURSOR);
+                  break;
+                case EAST:
+                  s = Cursor.getPredefinedCursor(Cursor.E_RESIZE_CURSOR);
+                  break;
+                case SOUTH_EAST:
+                  s = Cursor.getPredefinedCursor(Cursor.SE_RESIZE_CURSOR);
+                  break;
+                case SOUTH_WEST:
+                  s = Cursor.getPredefinedCursor(Cursor.SW_RESIZE_CURSOR);
+                  break;
+                case NORTH_WEST:
+                  s = Cursor.getPredefinedCursor(Cursor.NW_RESIZE_CURSOR);
+                  break;
+                case NORTH_EAST:
+                  s = Cursor.getPredefinedCursor(Cursor.NE_RESIZE_CURSOR);
+                  break;
+                }
+                Container c = frame.getTopLevelAncestor();
+                if (c instanceof RootPaneContainer) {
+                    Component glassPane = ((RootPaneContainer)c).getGlassPane();
+                    glassPane.setVisible(true);
+                    glassPane.setCursor(s);
+                }
+                getDesktopManager().beginResizingFrame(frame, resizeDir);
+                resizing = true;
+                // Add the WindowFocusListener for handling a
+                // WINDOW_LOST_FOCUS event with a cancelResize().
+                Window windowAncestor = SwingUtilities.getWindowAncestor(frame);
+                if (windowAncestor != null) {
+                    windowAncestor.addWindowFocusListener(
+                        getWindowFocusListener());
+                }
+                return;
+            }
+        }
+
+        public void mouseDragged(MouseEvent e) {
+
+            if ( startingBounds == null ) {
+              // (STEVE) Yucky work around for bug ID 4106552
+                 return;
+            }
+
+            Point p = SwingUtilities.convertPoint((Component)e.getSource(),
+                    e.getX(), e.getY(), null);
+            int deltaX = _x - p.x;
+            int deltaY = _y - p.y;
+            Dimension min = frame.getMinimumSize();
+            Dimension max = frame.getMaximumSize();
+            int newX, newY, newW, newH;
+            Insets i = frame.getInsets();
+
+            // Handle a MOVE
+            if (dragging) {
+                if (frame.isMaximum() || ((e.getModifiers() &
+                        InputEvent.BUTTON1_MASK) !=
+                        InputEvent.BUTTON1_MASK)) {
+                    // don't allow moving of frames if maximixed or left mouse
+                    // button was not used.
+                    return;
+                }
+                int pWidth, pHeight;
+                Dimension s = frame.getParent().getSize();
+                pWidth = s.width;
+                pHeight = s.height;
+
+
+                newX = startingBounds.x - deltaX;
+                newY = startingBounds.y - deltaY;
+
+                // Make sure we stay in-bounds
+                if(newX + i.left <= -__x)
+                    newX = -__x - i.left + 1;
+                if(newY + i.top <= -__y)
+                    newY = -__y - i.top + 1;
+                if(newX + __x + i.right >= pWidth)
+                    newX = pWidth - __x - i.right - 1;
+                if(newY + __y + i.bottom >= pHeight)
+                    newY =  pHeight - __y - i.bottom - 1;
+
+                getDesktopManager().dragFrame(frame, newX, newY);
+                return;
+            }
+
+            if(!frame.isResizable()) {
+                return;
+            }
+
+            newX = frame.getX();
+            newY = frame.getY();
+            newW = frame.getWidth();
+            newH = frame.getHeight();
+
+            parentBounds = frame.getParent().getBounds();
+
+            switch(resizeDir) {
+            case RESIZE_NONE:
+                return;
+            case NORTH:
+                if(startingBounds.height + deltaY < min.height)
+                    deltaY = -(startingBounds.height - min.height);
+                else if(startingBounds.height + deltaY > max.height)
+                    deltaY = max.height - startingBounds.height;
+                if (startingBounds.y - deltaY < 0) {deltaY = startingBounds.y;}
+
+                newX = startingBounds.x;
+                newY = startingBounds.y - deltaY;
+                newW = startingBounds.width;
+                newH = startingBounds.height + deltaY;
+                break;
+            case NORTH_EAST:
+                if(startingBounds.height + deltaY < min.height)
+                    deltaY = -(startingBounds.height - min.height);
+                else if(startingBounds.height + deltaY > max.height)
+                    deltaY = max.height - startingBounds.height;
+                if (startingBounds.y - deltaY < 0) {deltaY = startingBounds.y;}
+
+                if(startingBounds.width - deltaX < min.width)
+                    deltaX = startingBounds.width - min.width;
+                else if(startingBounds.width - deltaX > max.width)
+                    deltaX = -(max.width - startingBounds.width);
+                if (startingBounds.x + startingBounds.width - deltaX >
+                    parentBounds.width) {
+                  deltaX = startingBounds.x + startingBounds.width -
+                    parentBounds.width;
+                }
+
+                newX = startingBounds.x;
+                newY = startingBounds.y - deltaY;
+                newW = startingBounds.width - deltaX;
+                newH = startingBounds.height + deltaY;
+                break;
+            case EAST:
+                if(startingBounds.width - deltaX < min.width)
+                    deltaX = startingBounds.width - min.width;
+                else if(startingBounds.width - deltaX > max.width)
+                    deltaX = -(max.width - startingBounds.width);
+                if (startingBounds.x + startingBounds.width - deltaX >
+                    parentBounds.width) {
+                  deltaX = startingBounds.x + startingBounds.width -
+                    parentBounds.width;
+                }
+
+                newW = startingBounds.width - deltaX;
+                newH = startingBounds.height;
+                break;
+            case SOUTH_EAST:
+                if(startingBounds.width - deltaX < min.width)
+                    deltaX = startingBounds.width - min.width;
+                else if(startingBounds.width - deltaX > max.width)
+                    deltaX = -(max.width - startingBounds.width);
+                if (startingBounds.x + startingBounds.width - deltaX >
+                    parentBounds.width) {
+                  deltaX = startingBounds.x + startingBounds.width -
+                    parentBounds.width;
+                }
+
+                if(startingBounds.height - deltaY < min.height)
+                    deltaY = startingBounds.height - min.height;
+                else if(startingBounds.height - deltaY > max.height)
+                    deltaY = -(max.height - startingBounds.height);
+                if (startingBounds.y + startingBounds.height - deltaY >
+                     parentBounds.height) {
+                  deltaY = startingBounds.y + startingBounds.height -
+                    parentBounds.height ;
+                }
+
+                newW = startingBounds.width - deltaX;
+                newH = startingBounds.height - deltaY;
+                break;
+            case SOUTH:
+                if(startingBounds.height - deltaY < min.height)
+                    deltaY = startingBounds.height - min.height;
+                else if(startingBounds.height - deltaY > max.height)
+                    deltaY = -(max.height - startingBounds.height);
+                if (startingBounds.y + startingBounds.height - deltaY >
+                     parentBounds.height) {
+                  deltaY = startingBounds.y + startingBounds.height -
+                    parentBounds.height ;
+                }
+
+                newW = startingBounds.width;
+                newH = startingBounds.height - deltaY;
+                break;
+            case SOUTH_WEST:
+                if(startingBounds.height - deltaY < min.height)
+                    deltaY = startingBounds.height - min.height;
+                else if(startingBounds.height - deltaY > max.height)
+                    deltaY = -(max.height - startingBounds.height);
+                if (startingBounds.y + startingBounds.height - deltaY >
+                     parentBounds.height) {
+                  deltaY = startingBounds.y + startingBounds.height -
+                    parentBounds.height ;
+                }
+
+                if(startingBounds.width + deltaX < min.width)
+                    deltaX = -(startingBounds.width - min.width);
+                else if(startingBounds.width + deltaX > max.width)
+                    deltaX = max.width - startingBounds.width;
+                if (startingBounds.x - deltaX < 0) {
+                  deltaX = startingBounds.x;
+                }
+
+                newX = startingBounds.x - deltaX;
+                newY = startingBounds.y;
+                newW = startingBounds.width + deltaX;
+                newH = startingBounds.height - deltaY;
+                break;
+            case WEST:
+                if(startingBounds.width + deltaX < min.width)
+                    deltaX = -(startingBounds.width - min.width);
+                else if(startingBounds.width + deltaX > max.width)
+                    deltaX = max.width - startingBounds.width;
+                if (startingBounds.x - deltaX < 0) {
+                  deltaX = startingBounds.x;
+                }
+
+                newX = startingBounds.x - deltaX;
+                newY = startingBounds.y;
+                newW = startingBounds.width + deltaX;
+                newH = startingBounds.height;
+                break;
+            case NORTH_WEST:
+                if(startingBounds.width + deltaX < min.width)
+                    deltaX = -(startingBounds.width - min.width);
+                else if(startingBounds.width + deltaX > max.width)
+                    deltaX = max.width - startingBounds.width;
+                if (startingBounds.x - deltaX < 0) {
+                  deltaX = startingBounds.x;
+                }
+
+                if(startingBounds.height + deltaY < min.height)
+                    deltaY = -(startingBounds.height - min.height);
+                else if(startingBounds.height + deltaY > max.height)
+                    deltaY = max.height - startingBounds.height;
+                if (startingBounds.y - deltaY < 0) {deltaY = startingBounds.y;}
+
+                newX = startingBounds.x - deltaX;
+                newY = startingBounds.y - deltaY;
+                newW = startingBounds.width + deltaX;
+                newH = startingBounds.height + deltaY;
+                break;
+            default:
+                return;
+            }
+            getDesktopManager().resizeFrame(frame, newX, newY, newW, newH);
+        }
+
+        public void mouseMoved(MouseEvent e)    {
+
+            if(!frame.isResizable())
+                return;
+
+            if (e.getSource() == frame || e.getSource() == getNorthPane()) {
+                Insets i = frame.getInsets();
+                Point ep = new Point(e.getX(), e.getY());
+                if (e.getSource() == getNorthPane()) {
+                    Point np = getNorthPane().getLocation();
+                    ep.x += np.x;
+                    ep.y += np.y;
+                }
+                if(ep.x <= i.left) {
+                    if(ep.y < resizeCornerSize + i.top)
+                        frame.setCursor(Cursor.getPredefinedCursor(Cursor.NW_RESIZE_CURSOR));
+                    else if(ep.y > frame.getHeight() - resizeCornerSize - i.bottom)
+                        frame.setCursor(Cursor.getPredefinedCursor(Cursor.SW_RESIZE_CURSOR));
+                    else
+                        frame.setCursor(Cursor.getPredefinedCursor(Cursor.W_RESIZE_CURSOR));
+                } else if(ep.x >= frame.getWidth() - i.right) {
+                    if(e.getY() < resizeCornerSize + i.top)
+                        frame.setCursor(Cursor.getPredefinedCursor(Cursor.NE_RESIZE_CURSOR));
+                    else if(ep.y > frame.getHeight() - resizeCornerSize - i.bottom)
+                        frame.setCursor(Cursor.getPredefinedCursor(Cursor.SE_RESIZE_CURSOR));
+                    else
+                        frame.setCursor(Cursor.getPredefinedCursor(Cursor.E_RESIZE_CURSOR));
+                } else if(ep.y <= i.top) {
+                    if(ep.x < resizeCornerSize + i.left)
+                        frame.setCursor(Cursor.getPredefinedCursor(Cursor.NW_RESIZE_CURSOR));
+                    else if(ep.x > frame.getWidth() - resizeCornerSize - i.right)
+                        frame.setCursor(Cursor.getPredefinedCursor(Cursor.NE_RESIZE_CURSOR));
+                    else
+                        frame.setCursor(Cursor.getPredefinedCursor(Cursor.N_RESIZE_CURSOR));
+                } else if(ep.y >= frame.getHeight() - i.bottom) {
+                    if(ep.x < resizeCornerSize + i.left)
+                        frame.setCursor(Cursor.getPredefinedCursor(Cursor.SW_RESIZE_CURSOR));
+                    else if(ep.x > frame.getWidth() - resizeCornerSize - i.right)
+                        frame.setCursor(Cursor.getPredefinedCursor(Cursor.SE_RESIZE_CURSOR));
+                    else
+                        frame.setCursor(Cursor.getPredefinedCursor(Cursor.S_RESIZE_CURSOR));
+                }
+                else
+                    updateFrameCursor();
+                return;
+            }
+
+            updateFrameCursor();
+        }
+
+        public void mouseEntered(MouseEvent e)    {
+            updateFrameCursor();
+        }
+
+        public void mouseExited(MouseEvent e)    {
+            updateFrameCursor();
+        }
+
+    };    /// End BorderListener Class
+
+    protected class ComponentHandler implements ComponentListener {
+      // NOTE: This class exists only for backward compatability. All
+      // its functionality has been moved into Handler. If you need to add
+      // new functionality add it to the Handler, but make sure this
+      // class calls into the Handler.
+      /** Invoked when a JInternalFrame's parent's size changes. */
+      public void componentResized(ComponentEvent e) {
+          getHandler().componentResized(e);
+      }
+
+      public void componentMoved(ComponentEvent e) {
+          getHandler().componentMoved(e);
+      }
+      public void componentShown(ComponentEvent e) {
+          getHandler().componentShown(e);
+      }
+      public void componentHidden(ComponentEvent e) {
+          getHandler().componentHidden(e);
+      }
+    }
+
+    protected ComponentListener createComponentListener() {
+      return getHandler();
+    }
+
+
+    protected class GlassPaneDispatcher implements MouseInputListener {
+        // NOTE: This class exists only for backward compatability. All
+        // its functionality has been moved into Handler. If you need to add
+        // new functionality add it to the Handler, but make sure this
+        // class calls into the Handler.
+        public void mousePressed(MouseEvent e) {
+            getHandler().mousePressed(e);
+        }
+
+        public void mouseEntered(MouseEvent e) {
+            getHandler().mouseEntered(e);
+        }
+
+        public void mouseMoved(MouseEvent e) {
+            getHandler().mouseMoved(e);
+        }
+
+        public void mouseExited(MouseEvent e) {
+            getHandler().mouseExited(e);
+        }
+
+        public void mouseClicked(MouseEvent e) {
+            getHandler().mouseClicked(e);
+        }
+
+        public void mouseReleased(MouseEvent e) {
+            getHandler().mouseReleased(e);
+        }
+
+        public void mouseDragged(MouseEvent e) {
+            getHandler().mouseDragged(e);
+        }
+    }
+
+    protected MouseInputListener createGlassPaneDispatcher() {
+        return null;
+    }
+
+
+    protected class BasicInternalFrameListener implements InternalFrameListener
+    {
+      // NOTE: This class exists only for backward compatability. All
+      // its functionality has been moved into Handler. If you need to add
+      // new functionality add it to the Handler, but make sure this
+      // class calls into the Handler.
+      public void internalFrameClosing(InternalFrameEvent e) {
+          getHandler().internalFrameClosing(e);
+      }
+
+      public void internalFrameClosed(InternalFrameEvent e) {
+          getHandler().internalFrameClosed(e);
+      }
+
+      public void internalFrameOpened(InternalFrameEvent e) {
+          getHandler().internalFrameOpened(e);
+      }
+
+      public void internalFrameIconified(InternalFrameEvent e) {
+          getHandler().internalFrameIconified(e);
+      }
+
+      public void internalFrameDeiconified(InternalFrameEvent e) {
+          getHandler().internalFrameDeiconified(e);
+      }
+
+      public void internalFrameActivated(InternalFrameEvent e) {
+          getHandler().internalFrameActivated(e);
+      }
+
+
+      public void internalFrameDeactivated(InternalFrameEvent e) {
+          getHandler().internalFrameDeactivated(e);
+      }
+    }
+
+    private static boolean isDragging = false;
+    private class Handler implements ComponentListener, InternalFrameListener,
+            LayoutManager, MouseInputListener, PropertyChangeListener,
+            WindowFocusListener, SwingConstants {
+
+        public void windowGainedFocus(WindowEvent e) {
+        }
+
+        public void windowLostFocus(WindowEvent e) {
+            // Cancel a resize which may be in progress, when a
+            // WINDOW_LOST_FOCUS event occurs, which may be
+            // caused by an Alt-Tab or a modal dialog popup.
+            cancelResize();
+        }
+
+        // ComponentHandler methods
+        /** Invoked when a JInternalFrame's parent's size changes. */
+        public void componentResized(ComponentEvent e) {
+            // Get the JInternalFrame's parent container size
+            Rectangle parentNewBounds = ((Component) e.getSource()).getBounds();
+            JInternalFrame.JDesktopIcon icon = null;
+
+            if (frame != null) {
+                icon = frame.getDesktopIcon();
+                // Resize the internal frame if it is maximized and relocate
+                // the associated icon as well.
+                if (frame.isMaximum()) {
+                    frame.setBounds(0, 0, parentNewBounds.width,
+                        parentNewBounds.height);
+                }
+            }
+
+            // Relocate the icon base on the new parent bounds.
+            if (icon != null) {
+                Rectangle iconBounds = icon.getBounds();
+                int y = iconBounds.y +
+                    (parentNewBounds.height - parentBounds.height);
+                icon.setBounds(iconBounds.x, y,
+                    iconBounds.width, iconBounds.height);
+            }
+
+            // Update the new parent bounds for next resize.
+            if (!parentBounds.equals(parentNewBounds)) {
+                parentBounds = parentNewBounds;
+            }
+
+            // Validate the component tree for this container.
+            if (frame != null) frame.validate();
+        }
+
+        public void componentMoved(ComponentEvent e) {}
+        public void componentShown(ComponentEvent e) {}
+        public void componentHidden(ComponentEvent e) {}
+
+
+        // InternalFrameListener
+        public void internalFrameClosed(InternalFrameEvent e) {
+            frame.removeInternalFrameListener(getHandler());
+        }
+
+        public void internalFrameActivated(InternalFrameEvent e) {
+            if (!isKeyBindingRegistered()){
+                setKeyBindingRegistered(true);
+                setupMenuOpenKey();
+                setupMenuCloseKey();
+            }
+            if (isKeyBindingRegistered())
+                setKeyBindingActive(true);
+        }
+
+        public void internalFrameDeactivated(InternalFrameEvent e) {
+            setKeyBindingActive(false);
+        }
+
+        public void internalFrameClosing(InternalFrameEvent e) { }
+        public void internalFrameOpened(InternalFrameEvent e) { }
+        public void internalFrameIconified(InternalFrameEvent e) { }
+        public void internalFrameDeiconified(InternalFrameEvent e) { }
+
+
+        // LayoutManager
+        public void addLayoutComponent(String name, Component c) {}
+        public void removeLayoutComponent(Component c) {}
+        public Dimension preferredLayoutSize(Container c)  {
+            Dimension result;
+            Insets i = frame.getInsets();
+
+            result = new Dimension(frame.getRootPane().getPreferredSize());
+            result.width += i.left + i.right;
+            result.height += i.top + i.bottom;
+
+            if(getNorthPane() != null) {
+                Dimension d = getNorthPane().getPreferredSize();
+                result.width = Math.max(d.width, result.width);
+                result.height += d.height;
+            }
+
+            if(getSouthPane() != null) {
+                Dimension d = getSouthPane().getPreferredSize();
+                result.width = Math.max(d.width, result.width);
+                result.height += d.height;
+            }
+
+            if(getEastPane() != null) {
+                Dimension d = getEastPane().getPreferredSize();
+                result.width += d.width;
+                result.height = Math.max(d.height, result.height);
+            }
+
+            if(getWestPane() != null) {
+                Dimension d = getWestPane().getPreferredSize();
+                result.width += d.width;
+                result.height = Math.max(d.height, result.height);
+            }
+            return result;
+        }
+
+        public Dimension minimumLayoutSize(Container c) {
+            // The minimum size of the internal frame only takes into
+            // account the title pane since you are allowed to resize
+            // the frames to the point where just the title pane is visible.
+            Dimension result = new Dimension();
+            if (getNorthPane() != null &&
+                getNorthPane() instanceof BasicInternalFrameTitlePane) {
+                  result = new Dimension(getNorthPane().getMinimumSize());
+            }
+            Insets i = frame.getInsets();
+            result.width += i.left + i.right;
+            result.height += i.top + i.bottom;
+
+            return result;
+        }
+
+        public void layoutContainer(Container c) {
+            Insets i = frame.getInsets();
+            int cx, cy, cw, ch;
+
+            cx = i.left;
+            cy = i.top;
+            cw = frame.getWidth() - i.left - i.right;
+            ch = frame.getHeight() - i.top - i.bottom;
+
+            if(getNorthPane() != null) {
+                Dimension size = getNorthPane().getPreferredSize();
+                if (DefaultLookup.getBoolean(frame, BasicInternalFrameUI.this,
+                          "InternalFrame.layoutTitlePaneAtOrigin", false)) {
+                    cy = 0;
+                    ch += i.top;
+                    getNorthPane().setBounds(0, 0, frame.getWidth(),
+                                             size.height);
+                }
+                else {
+                    getNorthPane().setBounds(cx, cy, cw, size.height);
+                }
+                cy += size.height;
+                ch -= size.height;
+            }
+
+            if(getSouthPane() != null) {
+                Dimension size = getSouthPane().getPreferredSize();
+                getSouthPane().setBounds(cx, frame.getHeight()
+                                                    - i.bottom - size.height,
+                                                    cw, size.height);
+                ch -= size.height;
+            }
+
+            if(getWestPane() != null) {
+                Dimension size = getWestPane().getPreferredSize();
+                getWestPane().setBounds(cx, cy, size.width, ch);
+                cw -= size.width;
+                cx += size.width;
+            }
+
+            if(getEastPane() != null) {
+                Dimension size = getEastPane().getPreferredSize();
+                getEastPane().setBounds(cw - size.width, cy, size.width, ch);
+                cw -= size.width;
+            }
+
+            if(frame.getRootPane() != null) {
+                frame.getRootPane().setBounds(cx, cy, cw, ch);
+            }
+        }
+
+
+        // MouseInputListener
+        private Component mouseEventTarget = null;
+        private Component dragSource = null;
+
+        public void mousePressed(MouseEvent e) { }
+
+        public void mouseEntered(MouseEvent e) { }
+
+        public void mouseMoved(MouseEvent e) { }
+
+        public void mouseExited(MouseEvent e) { }
+
+        public void mouseClicked(MouseEvent e) { }
+
+        public void mouseReleased(MouseEvent e) { }
+
+        public void mouseDragged(MouseEvent e) { }
+
+        // PropertyChangeListener
+        public void propertyChange(PropertyChangeEvent evt) {
+            String prop = (String)evt.getPropertyName();
+            JInternalFrame f = (JInternalFrame)evt.getSource();
+            Object newValue = evt.getNewValue();
+            Object oldValue = evt.getOldValue();
+
+            if (JInternalFrame.IS_CLOSED_PROPERTY == prop) {
+                if (newValue == Boolean.TRUE) {
+                    // Cancel a resize in progress if the internal frame
+                    // gets a setClosed(true) or dispose().
+                    cancelResize();
+                    if ((frame.getParent() != null) && componentListenerAdded) {
+                        frame.getParent().removeComponentListener(
+                                componentListener);
+                    }
+                    closeFrame(f);
+                }
+            } else if (JInternalFrame.IS_MAXIMUM_PROPERTY == prop) {
+                if(newValue == Boolean.TRUE) {
+                    maximizeFrame(f);
+                } else {
+                    minimizeFrame(f);
+                }
+            } else if(JInternalFrame.IS_ICON_PROPERTY == prop) {
+                if (newValue == Boolean.TRUE) {
+                    iconifyFrame(f);
+                } else {
+                    deiconifyFrame(f);
+                }
+            } else if (JInternalFrame.IS_SELECTED_PROPERTY == prop) {
+                if (newValue == Boolean.TRUE && oldValue == Boolean.FALSE) {
+                    activateFrame(f);
+                } else if (newValue == Boolean.FALSE &&
+                           oldValue == Boolean.TRUE) {
+                    deactivateFrame(f);
+                }
+            } else if (prop == "ancestor") {
+                if (newValue == null) {
+                    // Cancel a resize in progress, if the internal frame
+                    // gets a remove(), removeNotify() or setIcon(true).
+                    cancelResize();
+                }
+                if (frame.getParent() != null) {
+                    parentBounds = f.getParent().getBounds();
+                } else {
+                    parentBounds = null;
+                }
+                if ((frame.getParent() != null) && !componentListenerAdded) {
+                    f.getParent().addComponentListener(componentListener);
+                    componentListenerAdded = true;
+                } else if ((newValue == null) && componentListenerAdded) {
+                    if (f.getParent() != null) {
+                        f.getParent().removeComponentListener(
+                                componentListener);
+                    }
+                    componentListenerAdded = false;
+                }
+            } else if (JInternalFrame.TITLE_PROPERTY == prop ||
+                    prop == "closable" || prop == "iconable" ||
+                    prop == "maximizable") {
+                Dimension dim = frame.getMinimumSize();
+                Dimension frame_dim = frame.getSize();
+                if (dim.width > frame_dim.width) {
+                    frame.setSize(dim.width, frame_dim.height);
+                }
+            }
+        }
+    }
+}