/*
* @(#)SynthMenuUI.java 1.13 05/11/17
*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
package javax.swing.plaf.synth;
import java.awt.*;
import java.awt.event.*;
import java.beans.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.plaf.*;
import javax.swing.plaf.basic.*;
import javax.swing.border.*;
import java.util.Arrays;
import java.util.ArrayList;
import sun.swing.plaf.synth.SynthUI;
/**
* Synth's MenuUI.
*
* @version 1.13, 11/17/05
* @author Georges Saab
* @author David Karlton
* @author Arnaud Weber
*/
class SynthMenuUI extends BasicMenuUI implements PropertyChangeListener,
SynthUI {
private SynthStyle style;
private SynthStyle accStyle;
private String acceleratorDelimiter;
public static ComponentUI createUI(JComponent x) {
return new SynthMenuUI();
}
protected void installDefaults() {
updateStyle(menuItem);
}
protected void installListeners() {
super.installListeners();
menuItem.addPropertyChangeListener(this);
}
private void updateStyle(JMenuItem mi) {
SynthStyle oldStyle = style;
SynthContext context = getContext(mi, ENABLED);
style = SynthLookAndFeel.updateStyle(context, this);
if (oldStyle != style) {
String prefix = getPropertyPrefix();
defaultTextIconGap = style.getInt(
context, prefix + ".textIconGap", 4);
if (menuItem.getMargin() == null ||
(menuItem.getMargin() instanceof UIResource)) {
Insets insets = (Insets)style.get(context, prefix + ".margin");
if (insets == null) {
// Some places assume margins are non-null.
insets = SynthLookAndFeel.EMPTY_UIRESOURCE_INSETS;
}
menuItem.setMargin(insets);
}
acceleratorDelimiter = style.getString(context, prefix +
".acceleratorDelimiter", "+");
arrowIcon = style.getIcon(context, prefix + ".arrowIcon");
checkIcon = style.getIcon(context, prefix + ".checkIcon");
((JMenu)menuItem).setDelay(style.getInt(context, prefix +
".delay", 200));
if (oldStyle != null) {
uninstallKeyboardActions();
installKeyboardActions();
}
}
context.dispose();
SynthContext accContext = getContext(mi, Region.MENU_ITEM_ACCELERATOR,
ENABLED);
accStyle = SynthLookAndFeel.updateStyle(accContext, this);
accContext.dispose();
}
protected void uninstallDefaults() {
SynthContext context = getContext(menuItem, ENABLED);
style.uninstallDefaults(context);
context.dispose();
style = null;
SynthContext accContext = getContext(menuItem,
Region.MENU_ITEM_ACCELERATOR, ENABLED);
accStyle.uninstallDefaults(accContext);
accContext.dispose();
accStyle = null;
super.uninstallDefaults();
}
protected void uninstallListeners() {
super.uninstallListeners();
menuItem.removePropertyChangeListener(this);
}
public SynthContext getContext(JComponent c) {
return getContext(c, getComponentState(c));
}
SynthContext getContext(JComponent c, int state) {
Region region = getRegion(c);
return SynthContext.getContext(SynthContext.class, c, region,
style, state);
}
public SynthContext getContext(JComponent c, Region region) {
return getContext(c, region, getComponentState(c, region));
}
private SynthContext getContext(JComponent c, Region region, int state) {
return SynthContext.getContext(SynthContext.class, c,
region, accStyle, state);
}
private Region getRegion(JComponent c) {
return SynthLookAndFeel.getRegion(c);
}
private int getComponentState(JComponent c) {
int state;
if (!c.isEnabled()) {
return DISABLED;
}
if (menuItem.isArmed()) {
state = MOUSE_OVER;
}
else {
state = SynthLookAndFeel.getComponentState(c);
}
if (menuItem.isSelected()) {
state |= SELECTED;
}
return state;
}
private int getComponentState(JComponent c, Region region) {
return getComponentState(c);
}
protected Dimension getPreferredMenuItemSize(JComponent c,
Icon checkIcon,
Icon arrowIcon,
int defaultTextIconGap) {
SynthContext context = getContext(c);
SynthContext accContext = getContext(c, Region.MENU_ITEM_ACCELERATOR);
Dimension value = SynthMenuItemUI.getPreferredMenuItemSize(
context, accContext, useCheckAndArrow(), c, checkIcon,
arrowIcon, defaultTextIconGap, acceleratorDelimiter);
context.dispose();
accContext.dispose();
return value;
}
public void update(Graphics g, JComponent c) {
SynthContext context = getContext(c);
SynthLookAndFeel.update(context, g);
context.getPainter().paintMenuBackground(context,
g, 0, 0, c.getWidth(), c.getHeight());
paint(context, g);
context.dispose();
}
public void paint(Graphics g, JComponent c) {
SynthContext context = getContext(c);
paint(context, g);
context.dispose();
}
protected void paint(SynthContext context, Graphics g) {
SynthContext accContext = getContext(menuItem,
Region.MENU_ITEM_ACCELERATOR);
SynthStyle style = context.getStyle();
// Refetch the icons so that we get the right ones for the current
// state.
String prefix = getPropertyPrefix();
Icon arrowIcon = style.getIcon(context, prefix + ".arrowIcon");
Icon checkIcon = style.getIcon(context, prefix + ".checkIcon");
SynthMenuItemUI.paint(context, accContext, g, checkIcon, arrowIcon,
useCheckAndArrow(), acceleratorDelimiter,
defaultTextIconGap);
accContext.dispose();
}
public void paintBorder(SynthContext context, Graphics g, int x,
int y, int w, int h) {
context.getPainter().paintMenuBorder(context, g, x, y, w, h);
}
public void propertyChange(PropertyChangeEvent e) {
if (SynthLookAndFeel.shouldUpdateStyle(e)) {
updateStyle((JMenu)e.getSource());
}
}
private boolean useCheckAndArrow() {
return !((JMenu)menuItem).isTopLevelMenu();
}
}
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