Showing the changes to java/pkg/javax/swing/plaf/basic/BasicMenuBarUI.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,238 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (c) 1997, 2003, 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 | |||
| 26 | package javax.swing.plaf.basic; | ||
| 27 | |||
| 28 | import sun.swing.DefaultLookup; | ||
| 29 | import sun.swing.UIAction; | ||
| 30 | import javax.swing.*; | ||
| 31 | import javax.swing.event.*; | ||
| 32 | import java.awt.Color; | ||
| 33 | import java.awt.Component; | ||
| 34 | import java.awt.Container; | ||
| 35 | import java.awt.Dimension; | ||
| 36 | import java.awt.Graphics; | ||
| 37 | import java.awt.Insets; | ||
| 38 | import java.awt.Point; | ||
| 39 | import java.awt.Rectangle; | ||
| 40 | import java.awt.event.*; | ||
| 41 | import java.beans.PropertyChangeEvent; | ||
| 42 | import java.beans.PropertyChangeListener; | ||
| 43 | |||
| 44 | import javax.swing.border.*; | ||
| 45 | import javax.swing.plaf.*; | ||
| 46 | |||
| 47 | |||
| 48 | /** | ||
| 49 | * A default L&F implementation of MenuBarUI. This implementation | ||
| 50 | * is a "combined" view/controller. | ||
| 51 | * | ||
| 52 | * @author Georges Saab | ||
| 53 | * @author David Karlton | ||
| 54 | * @author Arnaud Weber | ||
| 55 | */ | ||
| 56 | public class BasicMenuBarUI extends MenuBarUI { | ||
| 57 | protected JMenuBar menuBar = null; | ||
| 58 | protected ContainerListener containerListener; | ||
| 59 | protected ChangeListener changeListener; | ||
| 60 | private Handler handler; | ||
| 61 | |||
| 62 | public static ComponentUI createUI(JComponent x) { | ||
| 63 | return new BasicMenuBarUI(); | ||
| 64 | } | ||
| 65 | |||
| 66 | static void loadActionMap(LazyActionMap map) { | ||
| 67 | map.put(new Actions(Actions.TAKE_FOCUS)); | ||
| 68 | } | ||
| 69 | |||
| 70 | public void installUI(JComponent c) { | ||
| 71 | menuBar = (JMenuBar) c; | ||
| 72 | |||
| 73 | installDefaults(); | ||
| 74 | installListeners(); | ||
| 75 | installKeyboardActions(); | ||
| 76 | |||
| 77 | } | ||
| 78 | |||
| 79 | protected void installDefaults() { | ||
| 80 | if (menuBar.getLayout() == null || | ||
| 81 | menuBar.getLayout() instanceof UIResource) { | ||
| 82 | menuBar.setLayout(new DefaultMenuLayout(menuBar,BoxLayout.LINE_AXIS)); | ||
| 83 | } | ||
| 84 | |||
| 85 | LookAndFeel.installProperty(menuBar, "opaque", Boolean.TRUE); | ||
| 86 | LookAndFeel.installBorder(menuBar,"MenuBar.border"); | ||
| 87 | LookAndFeel.installColorsAndFont(menuBar, | ||
| 88 | "MenuBar.background", | ||
| 89 | "MenuBar.foreground", | ||
| 90 | "MenuBar.font"); | ||
| 91 | } | ||
| 92 | |||
| 93 | protected void installListeners() { | ||
| 94 | containerListener = createContainerListener(); | ||
| 95 | changeListener = createChangeListener(); | ||
| 96 | |||
| 97 | for (int i = 0; i < menuBar.getMenuCount(); i++) { | ||
| 98 | JMenu menu = menuBar.getMenu(i); | ||
| 99 | if (menu!=null) | ||
| 100 | menu.getModel().addChangeListener(changeListener); | ||
| 101 | } | ||
| 102 | menuBar.addContainerListener(containerListener); | ||
| 103 | } | ||
| 104 | |||
| 105 | protected void installKeyboardActions() { | ||
| 106 | InputMap inputMap = getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW); | ||
| 107 | |||
| 108 | SwingUtilities.replaceUIInputMap(menuBar, | ||
| 109 | JComponent.WHEN_IN_FOCUSED_WINDOW, inputMap); | ||
| 110 | |||
| 111 | LazyActionMap.installLazyActionMap(menuBar, BasicMenuBarUI.class, | ||
| 112 | "MenuBar.actionMap"); | ||
| 113 | } | ||
| 114 | |||
| 115 | InputMap getInputMap(int condition) { | ||
| 116 | if (condition == JComponent.WHEN_IN_FOCUSED_WINDOW) { | ||
| 117 | Object[] bindings = (Object[])DefaultLookup.get | ||
| 118 | (menuBar, this, "MenuBar.windowBindings"); | ||
| 119 | if (bindings != null) { | ||
| 120 | return LookAndFeel.makeComponentInputMap(menuBar, bindings); | ||
| 121 | } | ||
| 122 | } | ||
| 123 | return null; | ||
| 124 | } | ||
| 125 | |||
| 126 | public void uninstallUI(JComponent c) { | ||
| 127 | uninstallDefaults(); | ||
| 128 | uninstallListeners(); | ||
| 129 | uninstallKeyboardActions(); | ||
| 130 | |||
| 131 | menuBar = null; | ||
| 132 | } | ||
| 133 | |||
| 134 | protected void uninstallDefaults() { | ||
| 135 | if (menuBar!=null) { | ||
| 136 | LookAndFeel.uninstallBorder(menuBar); | ||
| 137 | } | ||
| 138 | } | ||
| 139 | |||
| 140 | protected void uninstallListeners() { | ||
| 141 | menuBar.removeContainerListener(containerListener); | ||
| 142 | |||
| 143 | for (int i = 0; i < menuBar.getMenuCount(); i++) { | ||
| 144 | JMenu menu = menuBar.getMenu(i); | ||
| 145 | if (menu !=null) | ||
| 146 | menu.getModel().removeChangeListener(changeListener); | ||
| 147 | } | ||
| 148 | |||
| 149 | containerListener = null; | ||
| 150 | changeListener = null; | ||
| 151 | handler = null; | ||
| 152 | } | ||
| 153 | |||
| 154 | protected void uninstallKeyboardActions() { | ||
| 155 | SwingUtilities.replaceUIInputMap(menuBar, JComponent. | ||
| 156 | WHEN_IN_FOCUSED_WINDOW, null); | ||
| 157 | SwingUtilities.replaceUIActionMap(menuBar, null); | ||
| 158 | } | ||
| 159 | |||
| 160 | protected ContainerListener createContainerListener() { | ||
| 161 | return getHandler(); | ||
| 162 | } | ||
| 163 | |||
| 164 | protected ChangeListener createChangeListener() { | ||
| 165 | return getHandler(); | ||
| 166 | } | ||
| 167 | |||
| 168 | private Handler getHandler() { | ||
| 169 | if (handler == null) { | ||
| 170 | handler = new Handler(); | ||
| 171 | } | ||
| 172 | return handler; | ||
| 173 | } | ||
| 174 | |||
| 175 | |||
| 176 | public Dimension getMinimumSize(JComponent c) { | ||
| 177 | return null; | ||
| 178 | } | ||
| 179 | |||
| 180 | public Dimension getMaximumSize(JComponent c) { | ||
| 181 | return null; | ||
| 182 | } | ||
| 183 | |||
| 184 | private class Handler implements ChangeListener, ContainerListener { | ||
| 185 | // | ||
| 186 | // ChangeListener | ||
| 187 | // | ||
| 188 | public void stateChanged(ChangeEvent e) { | ||
| 189 | int i,c; | ||
| 190 | for(i=0,c = menuBar.getMenuCount() ; i < c ; i++) { | ||
| 191 | JMenu menu = menuBar.getMenu(i); | ||
| 192 | if(menu !=null && menu.isSelected()) { | ||
| 193 | menuBar.getSelectionModel().setSelectedIndex(i); | ||
| 194 | break; | ||
| 195 | } | ||
| 196 | } | ||
| 197 | } | ||
| 198 | |||
| 199 | // | ||
| 200 | // ContainerListener | ||
| 201 | // | ||
| 202 | public void componentAdded(ContainerEvent e) { | ||
| 203 | Component c = e.getChild(); | ||
| 204 | if (c instanceof JMenu) | ||
| 205 | ((JMenu)c).getModel().addChangeListener(changeListener); | ||
| 206 | } | ||
| 207 | public void componentRemoved(ContainerEvent e) { | ||
| 208 | Component c = e.getChild(); | ||
| 209 | if (c instanceof JMenu) | ||
| 210 | ((JMenu)c).getModel().removeChangeListener(changeListener); | ||
| 211 | } | ||
| 212 | } | ||
| 213 | |||
| 214 | |||
| 215 | private static class Actions extends UIAction { | ||
| 216 | private static final String TAKE_FOCUS = "takeFocus"; | ||
| 217 | |||
| 218 | Actions(String key) { | ||
| 219 | super(key); | ||
| 220 | } | ||
| 221 | |||
| 222 | public void actionPerformed(ActionEvent e) { | ||
| 223 | // TAKE_FOCUS | ||
| 224 | JMenuBar menuBar = (JMenuBar)e.getSource(); | ||
| 225 | MenuSelectionManager defaultManager = MenuSelectionManager.defaultManager(); | ||
| 226 | MenuElement me[]; | ||
| 227 | MenuElement subElements[]; | ||
| 228 | JMenu menu = menuBar.getMenu(0); | ||
| 229 | if (menu!=null) { | ||
| 230 | me = new MenuElement[3]; | ||
| 231 | me[0] = (MenuElement) menuBar; | ||
| 232 | me[1] = (MenuElement) menu; | ||
| 233 | me[2] = (MenuElement) menu.getPopupMenu(); | ||
| 234 | defaultManager.setSelectedPath(me); | ||
| 235 | } | ||
| 236 | } | ||
| 237 | } | ||
| 238 | } | ||