/*
* Copyright (c) 2001-2008 JGoodies Karsten Lentzsch. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* o Neither the name of JGoodies Karsten Lentzsch nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jgoodies.looks.windows;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import javax.swing.*;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.UIResource;
import com.jgoodies.looks.common.MenuItemRenderer;
/**
* The JGoodies Windows XP look&feel implementation of <code>MenuUI</code>.<p>
*
* It differs from the superclass in that it uses an overhauled menu
* rendering an aligmnent system. Furthermore, you can set a client property
* <tt>Options.NO_ICONS_KEY</tt> to indicate that this menu has no icons.
*
* @author Karsten Lentzsch
* @version $Revision: 1.5 $
*
* @see com.jgoodies.looks.Options
*/
public final class WindowsXPMenuUI extends com.sun.java.swing.plaf.windows.WindowsMenuUI {
private static final String MENU_PROPERTY_PREFIX = "Menu";
private static final String SUBMENU_PROPERTY_PREFIX = "MenuItem";
// May be changed to SUBMENU_PROPERTY_PREFIX later
private String propertyPrefix = MENU_PROPERTY_PREFIX;
private MenuItemRenderer renderer;
public static ComponentUI createUI(JComponent b) {
return new WindowsXPMenuUI();
}
// Install and Uninstall **************************************************
protected void installDefaults() {
super.installDefaults();
if (arrowIcon == null || arrowIcon instanceof UIResource) {
arrowIcon = UIManager.getIcon("Menu.arrowIcon");
}
renderer =
new MenuItemRenderer(
menuItem,
false,
acceleratorFont,
selectionForeground,
disabledForeground,
acceleratorForeground,
acceleratorSelectionForeground);
Integer gap =
(Integer) UIManager.get(getPropertyPrefix() + ".textIconGap");
defaultTextIconGap = gap != null ? gap.intValue() : 2;
}
protected void uninstallDefaults() {
super.uninstallDefaults();
renderer = null;
}
protected String getPropertyPrefix() {
return propertyPrefix;
}
protected Dimension getPreferredMenuItemSize(
JComponent c,
Icon aCheckIcon,
Icon anArrowIcon,
int textIconGap) {
if (isSubMenu(menuItem)) {
ensureSubMenuInstalled();
return renderer.getPreferredMenuItemSize(
c,
aCheckIcon,
anArrowIcon,
textIconGap);
} else {
Dimension size =
super.getPreferredMenuItemSize(
c,
aCheckIcon,
anArrowIcon,
textIconGap);
int width = size.width;
int height = size.height;
if (height % 2 == 1)
height--;
return new Dimension(width, height);
}
}
protected void paintMenuItem(
Graphics g,
JComponent c,
Icon aCheckIcon,
Icon anArrowIcon,
Color background,
Color foreground,
int textIconGap) {
if (isSubMenu(menuItem)) {
renderer.paintMenuItem(
g,
c,
aCheckIcon,
anArrowIcon,
background,
foreground,
textIconGap);
} else {
super.paintMenuItem(
g,
c,
aCheckIcon,
anArrowIcon,
background,
foreground,
textIconGap);
}
}
/**
* Checks if we have already detected the correct menu type,
* menu in menu bar vs. sub menu; reinstalls if necessary.
*/
private void ensureSubMenuInstalled() {
if (propertyPrefix.equals(SUBMENU_PROPERTY_PREFIX))
return;
ButtonModel model = menuItem.getModel();
//save values of armed and selected properties.
//they will be resetted in #ununinstallDefaults().
boolean oldArmed = model.isArmed();
boolean oldSelected = model.isSelected();
uninstallDefaults();
propertyPrefix = SUBMENU_PROPERTY_PREFIX;
installDefaults();
//restore values of armed and selected properties
model.setArmed(oldArmed);
model.setSelected(oldSelected);
}
// Helper Code **********************************************************
private boolean isSubMenu(JMenuItem aMenuItem) {
return !((JMenu) aMenuItem).isTopLevelMenu();
}
}