basicinternalframeui.java

Mobile 应用程序使用 Java Micro Edition (Java ME) 平台

    }
    
    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;
                updateFrameCursor();
	    }
            _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 {