Source Code Cross Referenced for MenuBar.java in  » Apache-Harmony-Java-SE » java-package » java » awt » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » Apache Harmony Java SE » java package » java.awt 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         *  Licensed to the Apache Software Foundation (ASF) under one or more
003:         *  contributor license agreements.  See the NOTICE file distributed with
004:         *  this work for additional information regarding copyright ownership.
005:         *  The ASF licenses this file to You under the Apache License, Version 2.0
006:         *  (the "License"); you may not use this file except in compliance with
007:         *  the License.  You may obtain a copy of the License at
008:         *
009:         *     http://www.apache.org/licenses/LICENSE-2.0
010:         *
011:         *  Unless required by applicable law or agreed to in writing, software
012:         *  distributed under the License is distributed on an "AS IS" BASIS,
013:         *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         *  See the License for the specific language governing permissions and
015:         *  limitations under the License.
016:         */
017:        /**
018:         * @author Pavel Dolgov
019:         * @version $Revision$
020:         */package java.awt;
021:
022:        import java.awt.event.KeyEvent;
023:        import java.awt.event.MouseEvent;
024:        import java.util.ArrayList;
025:        import java.util.Collections;
026:        import java.util.Enumeration;
027:        import java.util.HashSet;
028:
029:        import javax.accessibility.Accessible;
030:        import javax.accessibility.AccessibleContext;
031:        import javax.accessibility.AccessibleRole;
032:
033:        import org.apache.harmony.awt.gl.MultiRectArea;
034:        import org.apache.harmony.awt.state.MenuBarState;
035:        import org.apache.harmony.awt.wtk.NativeWindow;
036:
037:        public class MenuBar extends MenuComponent implements  MenuContainer,
038:                Accessible {
039:
040:            private static final long serialVersionUID = -4930327919388951260L;
041:            private final ArrayList<Menu> menuList;
042:            private Menu helpMenu; // one of the list items
043:            private boolean unfolded;
044:
045:            final State menuBarState = new State();
046:            private final MenuBarBox box = new MenuBarBox();
047:
048:            protected class AccessibleAWTMenuBar extends
049:                    AccessibleAWTMenuComponent {
050:
051:                private static final long serialVersionUID = -8577604491830083815L;
052:
053:                @Override
054:                public AccessibleRole getAccessibleRole() {
055:                    return AccessibleRole.MENU_BAR;
056:                }
057:            }
058:
059:            /**
060:             * The accessor to MenuBar internal state, utilized by the visual theme
061:             */
062:            final class State extends MenuComponent.State implements 
063:                    MenuBarState {
064:
065:                private Frame getFrame() {
066:                    return ((Frame) MenuBar.this .parent);
067:                }
068:
069:                public Point getLocationOnScreen() {
070:                    return MenuBar.this .getScreenLocation();
071:                }
072:
073:                @Override
074:                void calculate() {
075:                    Frame f = getFrame();
076:                    Insets ins = f.getNativeInsets();
077:                    int width = f.w - ins.left - ins.right;
078:                    toolkit.theme.layoutMenuBar(this , width);
079:                }
080:
081:                @Override
082:                void reset() {
083:                    super .reset();
084:                }
085:            }
086:
087:            /**
088:             * Pseudo pop-up box for menu bar. Actually it's Frame's child window,
089:             * but in other aspects it is similar to the normal pop-up box. 
090:             */
091:            private final class MenuBarBox extends MenuComponent.MenuPopupBox {
092:
093:                @Override
094:                boolean isMenuBar() {
095:                    return true;
096:                }
097:
098:                boolean isActive() {
099:                    return toolkit.dispatcher.popupDispatcher.isActive(this );
100:                }
101:
102:                @Override
103:                Dimension getSize() {
104:                    size.setSize(menuBarState.getSize());
105:                    return size;
106:                }
107:
108:                @Override
109:                Point getLocation() {
110:                    location.setLocation(MenuBar.this .getLocation());
111:                    return location;
112:                }
113:
114:                @Override
115:                Point getScreenLocation() {
116:                    return MenuBar.this .getScreenLocation();
117:                }
118:
119:                @Override
120:                void paint(Graphics gr) {
121:                    MenuBar.this .paint(gr);
122:                }
123:
124:                @Override
125:                Rectangle calculateBounds() {
126:                    Dimension size = MenuBar.this .menuBarState.getSize();
127:                    Point location = MenuBar.this .getLocation();
128:                    return new Rectangle(location, size);
129:                }
130:
131:                void show() {
132:                    show((Frame) MenuBar.this .getParent());
133:                }
134:
135:                @Override
136:                void hide() {
137:                    selectItem(-1);
138:                    toolkit.dispatcher.popupDispatcher.deactivate(this );
139:                }
140:
141:                void updateBounds() {
142:                    Rectangle bounds = calculateBounds();
143:                    boolean moved = !location.equals(bounds.getLocation());
144:                    boolean resized = !size.equals(bounds.getSize());
145:                    if (moved || resized) {
146:                        int mask = 0;
147:                        mask |= moved ? 0 : NativeWindow.BOUNDS_NOMOVE;
148:                        mask |= resized ? 0 : NativeWindow.BOUNDS_NOSIZE;
149:                        if (nativeWindow != null) {
150:                            nativeWindow.setBounds(bounds.x, bounds.y,
151:                                    bounds.width, bounds.height, mask);
152:                        }
153:                        location.setLocation(bounds.getLocation());
154:                        size.setSize(bounds.getSize());
155:                    }
156:                }
157:            }
158:
159:            public MenuBar() throws HeadlessException {
160:                toolkit.lockAWT();
161:                try {
162:                    menuList = new ArrayList<Menu>();
163:                } finally {
164:                    toolkit.unlockAWT();
165:                }
166:            }
167:
168:            public Menu add(Menu menu) {
169:                toolkit.lockAWT();
170:                try {
171:                    if (!menuList.contains(menu)) {
172:                        MenuContainer oldParent = menu.getParent();
173:                        if (oldParent != null) {
174:                            oldParent.remove(menu);
175:                        }
176:                        menu.setParent(this );
177:                        menuList.add(menu);
178:                    }
179:                    menuBarState.reset();
180:                    updateParent();
181:                    return menu;
182:                } finally {
183:                    toolkit.unlockAWT();
184:                }
185:            }
186:
187:            public void remove(MenuComponent menu) {
188:                if (menu == null)
189:                    return;
190:                toolkit.lockAWT();
191:                try {
192:                    menuList.remove(menu);
193:                    if (menu == helpMenu) {
194:                        helpMenu = null;
195:                    }
196:                    menu.setParent(null);
197:                    menuBarState.reset();
198:                    updateParent();
199:                } finally {
200:                    toolkit.unlockAWT();
201:                }
202:            }
203:
204:            public void remove(int index) {
205:                toolkit.lockAWT();
206:                try {
207:                    Menu menu = menuList.get(index);
208:                    remove(menu);
209:                } finally {
210:                    toolkit.unlockAWT();
211:                }
212:            }
213:
214:            public void addNotify() {
215:                toolkit.lockAWT();
216:                try {
217:                    menuBarState.calculate();
218:                    box.show();
219:                } finally {
220:                    toolkit.unlockAWT();
221:                }
222:            }
223:
224:            @Override
225:            public AccessibleContext getAccessibleContext() {
226:                toolkit.lockAWT();
227:                try {
228:                    return super .getAccessibleContext();
229:                } finally {
230:                    toolkit.unlockAWT();
231:                }
232:            }
233:
234:            @Override
235:            public void removeNotify() {
236:                toolkit.lockAWT();
237:                try {
238:                    box.removeNotify();
239:                } finally {
240:                    toolkit.unlockAWT();
241:                }
242:            }
243:
244:            public void deleteShortcut(MenuShortcut ms) {
245:                toolkit.lockAWT();
246:                try {
247:                    MenuItem mi = getShortcutMenuItemImpl(ms);
248:                    if (mi != null) {
249:                        mi.deleteShortcut();
250:                    }
251:                } finally {
252:                    toolkit.unlockAWT();
253:                }
254:            }
255:
256:            public MenuItem getShortcutMenuItem(MenuShortcut ms) {
257:                toolkit.lockAWT();
258:                try {
259:                    return getShortcutMenuItemImpl(ms);
260:                } finally {
261:                    toolkit.unlockAWT();
262:                }
263:            }
264:
265:            public Enumeration<MenuShortcut> shortcuts() {
266:                toolkit.lockAWT();
267:                try {
268:                    HashSet<MenuShortcut> shortcuts = new HashSet<MenuShortcut>();
269:                    collectShortcuts(shortcuts);
270:                    return Collections.enumeration(shortcuts);
271:                } finally {
272:                    toolkit.unlockAWT();
273:                }
274:            }
275:
276:            /**
277:             * @deprecated
278:             */
279:            @Deprecated
280:            public int countMenus() {
281:                toolkit.lockAWT();
282:                try {
283:                    return menuList.size();
284:                } finally {
285:                    toolkit.unlockAWT();
286:                }
287:            }
288:
289:            public Menu getHelpMenu() {
290:                toolkit.lockAWT();
291:                try {
292:                    return helpMenu;
293:                } finally {
294:                    toolkit.unlockAWT();
295:                }
296:            }
297:
298:            public Menu getMenu(int index) {
299:                toolkit.lockAWT();
300:                try {
301:                    return menuList.get(index);
302:                } finally {
303:                    toolkit.unlockAWT();
304:                }
305:            }
306:
307:            public int getMenuCount() {
308:                toolkit.lockAWT();
309:                try {
310:                    return menuList.size();
311:                } finally {
312:                    toolkit.unlockAWT();
313:                }
314:            }
315:
316:            public void setHelpMenu(Menu menu) {
317:                toolkit.lockAWT();
318:                try {
319:                    if (helpMenu == menu) {
320:                        return;
321:                    }
322:                    helpMenu = menu;
323:                    add(menu);
324:                } finally {
325:                    toolkit.unlockAWT();
326:                }
327:            }
328:
329:            @Override
330:            boolean hasDefaultFont() {
331:                return true;
332:            }
333:
334:            void updateParent() {
335:                MenuContainer parent = getParent();
336:                if (parent == null) {
337:                    return;
338:                }
339:                Frame f = (Frame) parent;
340:                f.invalidate();
341:                f.validate();
342:            }
343:
344:            @Override
345:            MenuItem getItem(int index) {
346:                return menuList.get(index);
347:            }
348:
349:            @Override
350:            int getItemCount() {
351:                return menuList.size();
352:            }
353:
354:            @Override
355:            int getWidth() {
356:                return menuBarState.getWidth();
357:            }
358:
359:            @Override
360:            int getHeight() {
361:                return menuBarState.getHeight();
362:            }
363:
364:            @Override
365:            Point getLocation() {
366:                Frame f = (Frame) getParent();
367:                if (f == null) {
368:                    return new Point(0, 0);
369:                }
370:                Insets ins = f.getNativeInsets();
371:                return new Point(ins.left, ins.top);
372:            }
373:
374:            Point getScreenLocation() {
375:                Frame f = (Frame) getParent();
376:                if (f == null) {
377:                    return new Point(0, 0);
378:                }
379:                Insets ins = f.getNativeInsets();
380:                return new Point(f.x + ins.left, f.y + ins.top);
381:            }
382:
383:            @Override
384:            void paint(Graphics gr) {
385:                toolkit.theme.drawMenuBar(menuBarState, gr);
386:            }
387:
388:            @Override
389:            Rectangle getItemRect(int index) {
390:                return menuBarState.getItem(index).getItemBounds();
391:            }
392:
393:            @Override
394:            final void onMouseEvent(int eventId, Point where, int mouseButton,
395:                    long when, int modifiers) {
396:                int index = toolkit.theme.getMenuBarItemIndex(menuBarState,
397:                        where);
398:
399:                if (box.isActive()) {
400:                    switch (eventId) {
401:                    case MouseEvent.MOUSE_PRESSED:
402:                        endMenu();
403:                        break;
404:                    case MouseEvent.MOUSE_RELEASED:
405:                        if (index >= 0) {
406:                            selectItem(index);
407:                        } else {
408:                            endMenu();
409:                        }
410:                        break;
411:                    default:
412:                        if (index >= 0 || getSelectedItemIndex() < 0) {
413:                            selectItem(index);
414:                        }
415:                    }
416:                } else {
417:                    if ((index >= 0) && (eventId == MouseEvent.MOUSE_PRESSED)) {
418:                        toolkit.dispatcher.popupDispatcher.activate(box);
419:                        showSubMenu(index);
420:                    } else {
421:                        selectItem(index);
422:                    }
423:                }
424:            }
425:
426:            @Override
427:            void onKeyEvent(int eventId, int vKey, long when, int modifiers) {
428:                if (eventId != KeyEvent.KEY_PRESSED) {
429:                    return;
430:                }
431:                Menu subMenu;
432:                switch (vKey) {
433:                case KeyEvent.VK_ESCAPE:
434:                    endMenu();
435:                    break;
436:                case KeyEvent.VK_RIGHT:
437:                case KeyEvent.VK_LEFT:
438:                    selectNextItem(vKey == KeyEvent.VK_RIGHT);
439:                    subMenu = getSelectedSubmenu();
440:                    if (subMenu != null) {
441:                        subMenu.selectNextItem(true, false);
442:                    }
443:                    break;
444:                case KeyEvent.VK_UP:
445:                case KeyEvent.VK_DOWN:
446:                case KeyEvent.VK_ENTER:
447:                    subMenu = getSelectedSubmenu();
448:                    if (subMenu != null && !subMenu.isVisible()) {
449:                        unfolded = true;
450:                        showSubMenu(getSelectedItemIndex());
451:                        subMenu = getSelectedSubmenu();
452:                        subMenu.selectNextItem(true, false);
453:                    }
454:                }
455:            }
456:
457:            @Override
458:            boolean isActive() {
459:                return box.isActive();
460:            }
461:
462:            @Override
463:            MenuBar getMenuBar() {
464:                return this ;
465:            }
466:
467:            @Override
468:            PopupBox getPopupBox() {
469:                return box;
470:            }
471:
472:            @Override
473:            void hide() {
474:                // do nothing
475:            }
476:
477:            @Override
478:            void itemHidden(MenuComponent mc) {
479:                unfolded = false;
480:            }
481:
482:            @Override
483:            Point getSubmenuLocation(int index) {
484:                return toolkit.theme
485:                        .getMenuBarItemLocation(menuBarState, index);
486:            }
487:
488:            void selectNextItem(boolean forward) {
489:                super .selectNextItem(forward, unfolded);
490:            }
491:
492:            @Override
493:            void selectItem(int index) {
494:                unfolded = (index >= 0);
495:                super .selectItem(index, true);
496:            }
497:
498:            @Override
499:            void showSubMenu(int index) {
500:                unfolded = (index >= 0);
501:                super .showSubMenu(index);
502:            }
503:
504:            void validate() {
505:                menuBarState.calculate();
506:                box.updateBounds();
507:            }
508:
509:            @Override
510:            Graphics getGraphics(MultiRectArea clip) {
511:                return box.getGraphics(clip);
512:            }
513:
514:            @Override
515:            AccessibleContext createAccessibleContext() {
516:                return new AccessibleAWTMenuBar();
517:            }
518:
519:            void handleShortcut(KeyEvent ke) {
520:                MenuShortcut shortcut = MenuShortcut.lookup(ke);
521:                MenuItem item = getShortcutMenuItem(shortcut);
522:                if (item != null) {
523:                    item.itemSelected(ke.getWhen(), ke.getModifiersEx());
524:                    ke.consume();
525:                }
526:            }
527:
528:            void collectShortcuts(HashSet<MenuShortcut> shortcuts) {
529:                for (int i = 0; i < menuList.size(); i++) {
530:                    menuList.get(i).collectShortcuts(shortcuts);
531:                }
532:            }
533:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.