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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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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;
import sun.swing.MenuItemLayoutHelper;

Synth's MenuUI.
Author:Georges Saab, David Karlton, Arnaud Weber
/** * Synth's MenuUI. * * @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", "+"); if (MenuItemLayoutHelper.useCheckAndArrow(menuItem)) { checkIcon = style.getIcon(context, prefix + ".checkIcon"); arrowIcon = style.getIcon(context, prefix + ".arrowIcon"); } else { // Not needed in this case checkIcon = null; arrowIcon = null; } ((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(); } public void uninstallUI(JComponent c) { super.uninstallUI(c); // Remove values from the parent's Client Properties. JComponent p = MenuItemLayoutHelper.getMenuItemParent((JMenuItem) c); if (p != null) { p.putClientProperty( SynthMenuItemLayoutHelper.MAX_ACC_OR_ARROW_WIDTH, null); } } 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 = SynthGraphicsUtils.getPreferredMenuItemSize( context, accContext, c, checkIcon, arrowIcon, defaultTextIconGap, acceleratorDelimiter, MenuItemLayoutHelper.useCheckAndArrow(menuItem), getPropertyPrefix()); 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); // Refetch the appropriate check indicator for the current state String prefix = getPropertyPrefix(); Icon checkIcon = style.getIcon(context, prefix + ".checkIcon"); Icon arrowIcon = style.getIcon(context, prefix + ".arrowIcon"); SynthGraphicsUtils.paint(context, accContext, g, checkIcon, arrowIcon, acceleratorDelimiter, defaultTextIconGap, getPropertyPrefix()); 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()); } } }