JDK8/Java8源码在线阅读
/*
* Copyright (c) 1997, 2013, Oracle and/or its affiliates. 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
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*/
package javax.swing.plaf.basic;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.plaf.*;
import javax.swing.event.*;
import java.beans.*;
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 = 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(frame == x)
return frame.getLayout().preferredLayoutSize(x);
return new Dimension(100, 100);
}
public Dimension getMinimumSize(JComponent x) {
if(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 compatibility. 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 compatibility. 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 {
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 compatibility. 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 compatibility. 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 compatibility. 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 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 &&
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