1/*
2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.java.swing.plaf.windows;
27
28import java.awt.*;
29import javax.swing.*;
30import javax.swing.plaf.*;
31import javax.swing.plaf.basic.*;
32
33import sun.swing.SwingUtilities2;
34
35import com.sun.java.swing.plaf.windows.TMSchema.*;
36import com.sun.java.swing.plaf.windows.XPStyle.*;
37
38/**
39 * Windows rendition of the component.
40 * <p>
41 * <strong>Warning:</strong>
42 * Serialized objects of this class will not be compatible with
43 * future Swing releases.  The current serialization support is appropriate
44 * for short term storage or RMI between applications running the same
45 * version of Swing.  A future release of Swing will provide support for
46 * long term persistence.
47 *
48 * @author Igor Kushnirskiy
49 */
50
51public class WindowsMenuItemUI extends BasicMenuItemUI {
52    final WindowsMenuItemUIAccessor accessor =
53        new  WindowsMenuItemUIAccessor() {
54
55            public JMenuItem getMenuItem() {
56                return menuItem;
57            }
58
59            public State getState(JMenuItem menuItem) {
60                return WindowsMenuItemUI.getState(this, menuItem);
61            }
62
63            public Part getPart(JMenuItem menuItem) {
64                return WindowsMenuItemUI.getPart(this, menuItem);
65            }
66    };
67    public static ComponentUI createUI(JComponent c) {
68        return new WindowsMenuItemUI();
69    }
70
71    /**
72     * Method which renders the text of the current menu item.
73     *
74     * @param g Graphics context
75     * @param menuItem Current menu item to render
76     * @param textRect Bounding rectangle to render the text.
77     * @param text String to render
78     */
79    protected void paintText(Graphics g, JMenuItem menuItem,
80                             Rectangle textRect, String text) {
81        if (WindowsMenuItemUI.isVistaPainting()) {
82            WindowsMenuItemUI.paintText(accessor, g, menuItem, textRect, text);
83            return;
84        }
85        ButtonModel model = menuItem.getModel();
86        Color oldColor = g.getColor();
87
88        if(model.isEnabled() &&
89            (model.isArmed() || (menuItem instanceof JMenu &&
90             model.isSelected()))) {
91            g.setColor(selectionForeground); // Uses protected field.
92        }
93
94        WindowsGraphicsUtils.paintText(g, menuItem, textRect, text, 0);
95
96        g.setColor(oldColor);
97    }
98
99    @Override
100    protected void paintBackground(Graphics g, JMenuItem menuItem,
101            Color bgColor) {
102        if (WindowsMenuItemUI.isVistaPainting()) {
103            WindowsMenuItemUI.paintBackground(accessor, g, menuItem, bgColor);
104            return;
105        }
106        super.paintBackground(g, menuItem, bgColor);
107    }
108
109    static void paintBackground(WindowsMenuItemUIAccessor menuItemUI,
110            Graphics g, JMenuItem menuItem, Color bgColor) {
111        XPStyle xp = XPStyle.getXP();
112        assert isVistaPainting(xp);
113        if (isVistaPainting(xp)) {
114            int menuWidth = menuItem.getWidth();
115            int menuHeight = menuItem.getHeight();
116            if (menuItem.isOpaque()) {
117                Color oldColor = g.getColor();
118                g.setColor(menuItem.getBackground());
119                g.fillRect(0,0, menuWidth, menuHeight);
120                g.setColor(oldColor);
121            }
122            Part part = menuItemUI.getPart(menuItem);
123            Skin skin = xp.getSkin(menuItem, part);
124            skin.paintSkin(g, 0 , 0,
125                menuWidth,
126                menuHeight,
127                menuItemUI.getState(menuItem));
128        }
129    }
130
131    static void paintText(WindowsMenuItemUIAccessor menuItemUI, Graphics g,
132                                JMenuItem menuItem, Rectangle textRect,
133                                String text) {
134        assert isVistaPainting();
135        if (isVistaPainting()) {
136            State state = menuItemUI.getState(menuItem);
137
138            /* part of it copied from WindowsGraphicsUtils.java */
139            FontMetrics fm = SwingUtilities2.getFontMetrics(menuItem, g);
140            int mnemIndex = menuItem.getDisplayedMnemonicIndex();
141            // W2K Feature: Check to see if the Underscore should be rendered.
142            if (WindowsLookAndFeel.isMnemonicHidden() == true) {
143                mnemIndex = -1;
144            }
145            WindowsGraphicsUtils.paintXPText(menuItem,
146                menuItemUI.getPart(menuItem), state,
147                g, textRect.x,
148                textRect.y + fm.getAscent(),
149                text, mnemIndex);
150        }
151    }
152
153    static State getState(WindowsMenuItemUIAccessor menuItemUI, JMenuItem menuItem) {
154        State state;
155        ButtonModel model = menuItem.getModel();
156        if (model.isArmed()) {
157            state = (model.isEnabled()) ? State.HOT : State.DISABLEDHOT;
158        } else {
159            state = (model.isEnabled()) ? State.NORMAL : State.DISABLED;
160        }
161        return state;
162    }
163
164    static Part getPart(WindowsMenuItemUIAccessor menuItemUI, JMenuItem menuItem) {
165        return Part.MP_POPUPITEM;
166    }
167
168    /*
169     * TODO idk can we use XPStyle.isVista?
170     * is it possible that in some theme some Vista parts are not defined while
171     * others are?
172     */
173    static boolean isVistaPainting(final XPStyle xp) {
174        return xp != null && xp.isSkinDefined(null, Part.MP_POPUPITEM);
175    }
176
177    static boolean isVistaPainting() {
178        return isVistaPainting(XPStyle.getXP());
179    }
180}
181