/*
* @(#)BasicInternalFrameUI.java 1.118 04/05/18
*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
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.
*
* @version 1.118 05/18/04
* @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;
/**
* 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) {
}
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();
frame.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
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.
JComponent contentPane = (JComponent) 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();
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;
}
}
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;
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);
}
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 newPane
* and adds it to the frame.
* Reverse process for the currentPane
.
*/
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;
}
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 playCloseSound
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 playMaximizeSound
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 playRestoreDownSound
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 playMinimizeSound
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 playRestoreUpSound
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) { }
}
}
}
public void mouseReleased(MouseEvent e) {
if (discardRelease) {
discardRelease = false;
return;
}
if (resizeDir == RESIZE_NONE) {
getDesktopManager().endDraggingFrame(frame);
dragging = false;
} else {
Container c = frame.getTopLevelAncestor();
if (c instanceof JFrame) {
((JFrame)frame.getTopLevelAncestor()).getGlassPane().setCursor(
Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
((JFrame)frame.getTopLevelAncestor()).getGlassPane(
).setVisible(false);
} else if (c instanceof JApplet) {
((JApplet)c).getGlassPane().setCursor(
Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
((JApplet)c).getGlassPane().setVisible(false);
} else if (c instanceof JWindow) {
((JWindow)c).getGlassPane().setCursor(
Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
((JWindow)c).getGlassPane().setVisible(false);
} else if (c instanceof JDialog) {
((JDialog)c).getGlassPane().setCursor(
Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
((JDialog)c).getGlassPane().setVisible(false);
}
getDesktopManager().endResizingFrame(frame);
}
_x = 0;
_y = 0;
__x = 0;
__y = 0;
startingBounds = null;
resizeDir = RESIZE_NONE;
}
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;
if(!frame.isSelected()) {
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 JFrame){
((JFrame)c).getGlassPane().setVisible(true);
((JFrame)c).getGlassPane().setCursor(s);
} else if (c instanceof JApplet){
((JApplet)c).getGlassPane().setVisible(true);
((JApplet)c).getGlassPane().setCursor(s);
} else if (c instanceof JWindow){
((JWindow)c).getGlassPane().setVisible(true);
((JWindow)c).getGlassPane().setCursor(s);
} else if (c instanceof JDialog){
((JDialog)c).getGlassPane().setVisible(true);
((JDialog)c).getGlassPane().setCursor(s);
}
getDesktopManager().beginResizingFrame(frame, resizeDir);
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
frame.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR)); return;
}
frame.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
}
public void mouseExited(MouseEvent e) {
frame.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
}
}; /// 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 getHandler();
}
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,
SwingConstants {
// 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) {
// what is going on here is the GlassPane is up on the inactive
// internalframe and want's to "catch" the first mousePressed on
// the frame in order to give it to the BorderLister (and not the
// underlying component) and let it activate the frame
if (borderListener != null){
borderListener.mousePressed(e);
}
forwardMouseEvent(e);
}
/**
* Forward the mouseEntered event to the underlying child container.
* @see #mousePressed
*/
public void mouseEntered(MouseEvent e) {
forwardMouseEvent(e);
}
/**
* Forward the mouseMoved event to the underlying child container.
* @see #mousePressed
*/
public void mouseMoved(MouseEvent e) {
forwardMouseEvent(e);
}
/**
* Forward the mouseExited event to the underlying child container.
* @see #mousePressed
*/
public void mouseExited(MouseEvent e) {
forwardMouseEvent(e);
}
/**
* Ignore mouseClicked events.
* @see #mousePressed
*/
public void mouseClicked(MouseEvent e) { }
/**
* Forward the mouseReleased event to the underlying child container.
* @see #mousePressed
*/
public void mouseReleased(MouseEvent e) {
forwardMouseEvent(e);
}
/**
* Forward the mouseDragged event to the underlying child container.
* @see #mousePressed
*/
public void mouseDragged(MouseEvent e) {
forwardMouseEvent(e);
}
/**
* Forward a mouse event to the current mouse target, setting it
* if necessary.
*/
private void forwardMouseEvent(MouseEvent e) {
// We only want to do this for the selected internal frame.
Component target =
findComponentAt(frame.getRootPane().getLayeredPane(),
e.getX(), e.getY());
// Search hierarchy for target with mouse listeners.
while ((target != null) &&
((target.getMouseListeners().length == 0) &&
(target.getMouseMotionListeners().length == 0) &&
(target.getMouseWheelListeners().length == 0))) {
target = target.getParent();
}
if (target == null) {
// No target found with mouse listeners.
return;
}
int id = e.getID();
switch(id) {
case MouseEvent.MOUSE_ENTERED:
if (isDragging && !frame.isSelected()) {
return;
}
if (target != mouseEventTarget) {
mouseEventTarget = target;
}
retargetMouseEvent(id, e, mouseEventTarget);
break;
case MouseEvent.MOUSE_PRESSED:
if (target != mouseEventTarget) {
mouseEventTarget = target;
}
retargetMouseEvent(id, e, mouseEventTarget);
// Set the drag source in case we start dragging.
dragSource = target;
break;
case MouseEvent.MOUSE_EXITED:
if (isDragging && !frame.isSelected()) {
return;
}
retargetMouseEvent(id, e, mouseEventTarget);
break;
case MouseEvent.MOUSE_CLICKED:
retargetMouseEvent(id, e, mouseEventTarget);
break;
case MouseEvent.MOUSE_MOVED:
if (target != mouseEventTarget) {
retargetMouseEvent(MouseEvent.MOUSE_EXITED, e,
mouseEventTarget);
mouseEventTarget = target;
retargetMouseEvent(MouseEvent.MOUSE_ENTERED, e,
mouseEventTarget);
}
retargetMouseEvent(id, e, mouseEventTarget);
break;
case MouseEvent.MOUSE_DRAGGED:
if (!isDragging) {
isDragging = true;
}
retargetMouseEvent(id, e, dragSource);
break;
case MouseEvent.MOUSE_RELEASED:
if (isDragging) {
retargetMouseEvent(id, e, dragSource);
isDragging = false;
} else {
retargetMouseEvent(id, e, mouseEventTarget);
}
break;
case MouseEvent.MOUSE_WHEEL:
retargetMouseEvent(id, e, mouseEventTarget);
break;
}
}
/**
* Find the lightweight child component which corresponds to the
* specified location. This is similar to the new 1.2 API in
* Container, but we need to run on 1.1. The other changes are
* due to Container.findComponentAt's use of package-private data.
*/
private Component findComponentAt(Container c, int x, int y) {
if (!c.contains(x, y)) {
return c;
}
int ncomponents = c.getComponentCount();
Component component[] = c.getComponents();
for (int i = 0 ; i < ncomponents ; i++) {
Component comp = component[i];
Point loc = comp.getLocation();
if ((comp != null) && (comp.contains(x - loc.x, y - loc.y)) &&
(comp.getPeer() instanceof LightweightPeer) &&
(comp.isVisible() == true)) {
// found a component that intersects the point, see if there
// is a deeper possibility.
if (comp instanceof Container) {
Container child = (Container) comp;
Point childLoc = child.getLocation();
Component deeper = findComponentAt(child,
x - childLoc.x, y - childLoc.y);
if (deeper != null) {
return deeper;
}
} else {
return comp;
}
}
}
return c;
}
/**
* Dispatch an event clone, retargeted for the specified target.
*/
private void retargetMouseEvent(int id, MouseEvent e,
Component target) {
if (target == null) {
return;
}
// fix for bug #4202966 -- hania
// When retargetting a mouse event, we need to translate
// the event's coordinates relative to the target.
Point p = SwingUtilities.convertPoint(frame.getLayeredPane(),
e.getX(), e.getY(),
target);
MouseEvent retargeted = new MouseEvent(target,
id,
e.getWhen(),
e.getModifiers() | e.getModifiersEx(),
p.x,
p.y,
e.getClickCount(),
e.isPopupTrigger());
target.dispatchEvent(retargeted);
}
// 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) {
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) {
Component glassPane = f.getGlassPane();
if (newValue == Boolean.TRUE && oldValue == Boolean.FALSE) {
activateFrame(f);
glassPane.setVisible(false);
} else if (newValue == Boolean.FALSE &&
oldValue == Boolean.TRUE) {
deactivateFrame(f);
glassPane.setVisible(true);
}
} else if (prop == "ancestor") {
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);
}
}
}
}
}