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1
31
32 package org.antlr.xjlib.appkit.menu;
33
34 import org.antlr.xjlib.appkit.app.XJApplication;
35 import org.antlr.xjlib.appkit.document.XJDocument;
36 import org.antlr.xjlib.appkit.frame.XJWindow;
37 import org.antlr.xjlib.appkit.undo.XJUndo;
38 import org.antlr.xjlib.appkit.utils.XJLocalizable;
39 import org.antlr.xjlib.foundation.XJSystem;
40
41 import javax.swing.*;
42 import java.awt.*;
43 import java.awt.event.KeyEvent  ;
44 import java.util.ArrayList ;
45 import java.util.Iterator ;
46 import java.util.List ;
47
48 public class XJMainMenuBar implements XJMenuItemDelegate {
49
50 public static final int MI_NEW = 10000;
51 public static final int MI_OPEN = 10001;
52 public static final int MI_LOAD = 10002;
53 public static final int MI_SAVE = 10003;
54 public static final int MI_SAVEAS = 10004;
55 public static final int MI_CLOSE = 10005;
56 public static final int MI_QUIT = 10006;
57 public static final int MI_HELP = 10020;
58 public static final int MI_ABOUT = 10021;
59 public static final int MI_PREFS = 10022;
60 public static final int MI_UNDO = 10023;
61 public static final int MI_REDO = 10024;
62 public static final int MI_CUT = 10025;
63 public static final int MI_COPY = 10026;
64 public static final int MI_PASTE = 10027;
65 public static final int MI_SELECT_ALL = 10028;
66
67 public static final int MI_CLEAR_RECENT_FILES = 20000;
68 public static final int MI_RECENT_FILES = 20001;
70 public static final int MI_NO_WINDOW = 21000;
71 public static final int MI_WINDOW = 21001;
73
75 protected JMenuBar menuBar = null;
76 protected XJMenu menuFile = null;
77 protected XJMenu menuRecentFiles = null;
78 protected XJMenu menuEdit = null;
79 protected XJMenu menuWindow = null;
80 protected XJMenu menuHelp = null;
81
82 protected XJMenuItem menuItemUndo = null;
83 protected XJMenuItem menuItemRedo = null;
84
85 protected XJMenuBarCustomizer customizer = null;
86 protected XJMenuBarDelegate delegate = null;
87
88 protected List <XJMenu> customMenus = new ArrayList <XJMenu>();
89
90 protected static List <XJMainMenuBar> mmbs = new ArrayList <XJMainMenuBar>();
91
92 public synchronized static XJMainMenuBar createInstance() {
93 XJMainMenuBar mmb = new XJMainMenuBar();
94 mmbs.add(mmb);
95 return mmb;
96 }
97
98 public synchronized static void removeInstance(XJMainMenuBar mmb) {
99 mmbs.remove(mmb);
100 }
101
102 public synchronized static void refreshAllRecentFilesMenu() {
103 for (XJMainMenuBar mmb : mmbs) {
104 mmb.rebuildRecentFilesMenu();
105 }
106 }
107
108 public synchronized static void refreshAllMenuBars() {
109 for (XJMainMenuBar mmb : mmbs) {
110 mmb.refresh();
111 }
112 }
113
114 public synchronized static void setActiveWindowToAllMenuBar(XJWindow window) {
115 for (XJMainMenuBar mmb : mmbs) {
116 mmb.setActiveWindow(window);
117 }
118 }
119
120 public static boolean isRecentFilesItem(XJMenuItem item) {
121 return item.getTag() >= XJMainMenuBar.MI_CLEAR_RECENT_FILES && item.getTag() < XJMainMenuBar.MI_NO_WINDOW;
122 }
123
124 public XJMainMenuBar() {
125 }
126
127 public void setCustomizer(XJMenuBarCustomizer customizer) {
128 this.customizer = customizer;
129 }
130
131 public void setDelegate(XJMenuBarDelegate delegate) {
132 this.delegate = delegate;
133 }
134
135 public JMenuBar getJMenuBar() {
136 return menuBar;
137 }
138
139 public XJMenu getFileMenu() {
140 return menuFile;
141 }
142
143 public void refresh() {
144 refreshContent();
145 refreshState();
146 }
147
148 public void refreshState() {
149 refreshMenuState(menuFile);
150 refreshMenuState(menuEdit);
151 refreshMenuState(menuHelp);
152
153 for (XJMenu customMenu : customMenus) refreshMenuState(customMenu);
154 }
155
156 public void refreshMenuEditState() {
157 refreshMenuState(menuEdit);
158 }
159
160 public void refreshMenuState(XJMenu menu) {
161 if(menu == null)
162 return;
163
164 for(int i=0; i<menu.getItemCount(); i++) {
165 XJMenuItem item = menu.getItemAtIndex(i);
166 if(item instanceof XJMenu)
167 refreshMenuState((XJMenu)item);
168 else
169 refreshMenuItemState(item);
170 }
171 }
172
173 public void refreshMenuItemState(XJMenuItem item) {
174 if(delegate != null)
175 delegate.menuItemState(item);
176 }
177
178 public void refreshContent() {
179 rebuildRecentFilesMenu();
180 rebuildWindowMenu();
181 }
182
183 public void menuUndoRedoItemState(XJUndo undo) {
184 if(undo == null) {
185 menuItemUndo.setEnabled(false);
186 menuItemRedo.setEnabled(false);
187 } else {
188 menuItemUndo.setEnabled(undo.canUndo());
189 menuItemRedo.setEnabled(undo.canRedo());
190 }
191 }
192
193 public void setActiveWindow(XJWindow window) {
194 if(menuWindow == null)
195 return;
196
197 int index = XJApplication.shared().getWindows().indexOf(window);
198 if(index>=0) {
199 XJMenuItem item = menuWindow.getItemAtIndex(index);
200 if(item != null)
201 item.setSelected(true);
202 }
203 }
204
205 public void setupMenuItem(XJMenuItem item, String name, int keystroke, int modifiers, int tag) {
206 item.setTitle(name);
207 item.setTag(tag);
208
209 if(keystroke > 0 && modifiers > 0)
210 item.setAccelerator(keystroke, modifiers);
211 else if(keystroke >0)
212 item.setAccelerator(keystroke);
213
214 item.setDelegate(this);
215 }
216
217 public XJMenuItem buildMenuItem(String name, int keystroke, int modifiers, int tag) {
218 XJMenuItem item = new XJMenuItem();
219 setupMenuItem(item, name, keystroke, modifiers, tag);
220 return item;
221 }
222
223 public XJMenuItem buildMenuItem(String name, int keystroke, int tag) {
224 XJMenuItem item = new XJMenuItem();
225 setupMenuItem(item, name, keystroke, -1, tag);
226 return item;
227 }
228
229 public XJMenuItemCheck buildMenuItemCheck(String name, int keystroke, int tag) {
230 XJMenuItemCheck item = new XJMenuItemCheck();
231 setupMenuItem(item, name, keystroke, -1, tag);
232 return item;
233 }
234
235 public XJMenuItem buildMenuItem(String name, int tag) {
236 return buildMenuItem(name, -1, tag);
237 }
238
239 public static final int IGNORE_FILEMENU = 1;
240 public static final int IGNORE_EDITMENU = 2;
241 public static final int IGNORE_WINDOWMENU = 4;
242 public static final int IGNORE_HELPMENU = 8;
243
244 public void createMenuBar() {
245 createMenuBar(0);
246 }
247
248 public void createMenuBar(int ignore) {
249 customMenus.clear();
250
251 menuBar = new JMenuBar();
252
253 if((ignore & IGNORE_FILEMENU) == 0)
254 addMenu(createFileMenu());
255 if((ignore & IGNORE_EDITMENU) == 0)
256 addMenu(createEditMenu());
257
258 if(customizer != null)
260 customizer.customizeMenuBar(this);
261
262 if((ignore & IGNORE_WINDOWMENU) == 0)
263 addMenu(createWindowMenu());
264 if((ignore & IGNORE_HELPMENU) == 0)
265 addMenu(createHelpMenu());
266 }
267
268 public XJMenu createFileMenu() {
269 XJMenu menu = buildFileMenu();
270 if(customizer != null)
271 customizer.customizeFileMenu(menu);
272 XJApplication.getAppDelegate().customizeFileMenu(menu);
273 return menu;
274 }
275
276 public XJMenu createEditMenu() {
277 XJMenu menu = buildEditMenu();
278 if(customizer != null)
279 customizer.customizeEditMenu(menu);
280 XJApplication.getAppDelegate().customizeEditMenu(menu);
281 return menu;
282 }
283
284 public XJMenu createWindowMenu() {
285 XJMenu menu = buildWindowMenu();
286 if(customizer != null)
287 customizer.customizeWindowMenu(menu);
288 XJApplication.getAppDelegate().customizeWindowMenu(menu);
289 return menu;
290 }
291
292 public XJMenu createHelpMenu() {
293 XJMenu menu = buildHelpMenu();
294 if(customizer != null)
295 customizer.customizeHelpMenu(menu);
296 XJApplication.getAppDelegate().customizeHelpMenu(menu);
297 return menu;
298 }
299
300 public void addCustomMenu(XJMenu menu) {
301 if(menu == null)
302 return;
303
304 customMenus.add(menu);
305 addMenu(menu);
306 }
307
308 private void addMenu(XJMenu menu) {
309 menuBar.add(menu.getSwingComponent());
310 menu.setMainMenuBar(this);
311 }
312
313 private XJMenu buildFileMenu() {
314 boolean persistence = XJApplication.shared().supportsPersistence();
315
316 menuFile = new XJMenu();
317 menuFile.setTitle(XJLocalizable.getXJString("File"));
318 menuFile.addItem(buildMenuItem(XJLocalizable.getXJString("New"), KeyEvent.VK_N, MI_NEW));
319 if(persistence) {
320 menuFile.addItem(buildMenuItem(XJLocalizable.getXJString("Open"), KeyEvent.VK_O, MI_OPEN));
321 menuFile.addItem(createRecentFilesMenu());
322 }
323 menuFile.addSeparator();
324 menuFile.addItem(buildMenuItem(XJLocalizable.getXJString("Close"), KeyEvent.VK_W, MI_CLOSE));
325 if(persistence) {
326 menuFile.addItem(buildMenuItem(XJLocalizable.getXJString("Save"), KeyEvent.VK_S, MI_SAVE));
327 menuFile.addItem(buildMenuItem(XJLocalizable.getXJString("SaveAs"), MI_SAVEAS));
328 }
329
330 if(!XJSystem.isMacOS()) {
331 menuFile.addSeparator();
332 if(XJApplication.shared().hasPreferencesMenuItem()) {
333 menuFile.addItem(buildMenuItem(XJLocalizable.getXJString("Preferences"), KeyEvent.VK_COMMA, MI_PREFS));
334 menuFile.addSeparator();
335 }
336 menuFile.addItem(buildMenuItem(XJLocalizable.getXJString("Quit"), KeyEvent.VK_Q, MI_QUIT));
337 }
338 return menuFile;
339 }
340
341 public XJMenu createRecentFilesMenu() {
342 menuRecentFiles = new XJMenu();
343 rebuildRecentFilesMenu();
344 return menuRecentFiles;
345 }
346
347 public void rebuildRecentFilesMenu() {
348 if(menuRecentFiles == null)
349 return;
350
351 menuRecentFiles.clear();
352 menuRecentFiles.setTitle(XJLocalizable.getXJString("OpenRecent"));
353
354 int f = 0;
355 for (Object o : XJApplication.shared().recentFiles()) {
356 menuRecentFiles.addItem(buildMenuItem((String ) o, MI_RECENT_FILES + f++));
357 }
358 menuRecentFiles.addSeparator();
359 menuRecentFiles.addItem(buildMenuItem(XJLocalizable.getXJString("ClearMenu"), MI_CLEAR_RECENT_FILES));
360 }
361
362 private XJMenu buildEditMenu() {
363 menuEdit = new XJMenu();
364 menuEdit.setTitle(XJLocalizable.getXJString("Edit"));
365 menuEdit.addItem(menuItemUndo = buildMenuItem(XJLocalizable.getXJString("Undo"), KeyEvent.VK_Z, MI_UNDO));
366 menuEdit.addItem(menuItemRedo = buildMenuItem(XJLocalizable.getXJString("Redo"), KeyEvent.VK_Z, XJMenuItem.getKeyModifier() | Event.SHIFT_MASK, MI_REDO));
367 menuEdit.addSeparator();
368 menuEdit.addItem(buildMenuItem(XJLocalizable.getXJString("Cut"), KeyEvent.VK_X, MI_CUT));
369 menuEdit.addItem(buildMenuItem(XJLocalizable.getXJString("Copy"), KeyEvent.VK_C, MI_COPY));
370 menuEdit.addItem(buildMenuItem(XJLocalizable.getXJString("Paste"), KeyEvent.VK_V, MI_PASTE));
371 menuEdit.addSeparator();
372 menuEdit.addItem(buildMenuItem(XJLocalizable.getXJString("SelectAll"), KeyEvent.VK_A, MI_SELECT_ALL));
373 return menuEdit;
374 }
375
376 private void buildWindowMenu_() {
377 Iterator iterator = XJApplication.shared().getWindows().iterator();
378 int count = 0;
379 while(iterator.hasNext()) {
380 XJWindow window = (XJWindow)iterator.next();
381 if(window.shouldAppearsInWindowMenu()) {
382 XJMenuItemCheck item = buildMenuItemCheck(window.getTitle(), count<10?KeyEvent.VK_0+count:-1, MI_WINDOW+count);
383 item.setSelected(window.isActive());
384 menuWindow.addItem(item);
385 count++;
386 }
387 }
388
389 if(count == 0) {
390 XJMenuItem item = new XJMenuItem(XJLocalizable.getXJString("NoWindows"), MI_NO_WINDOW, null);
391 item.setEnabled(false);
392 menuWindow.addItem(item);
393 }
394 }
395
396 private XJMenu buildWindowMenu() {
397 menuWindow = new XJMenu();
398 menuWindow.setTitle(XJLocalizable.getXJString("Window"));
399 buildWindowMenu_();
400 return menuWindow;
401 }
402
403 private void rebuildWindowMenu() {
404 if(menuWindow == null)
405 return;
406
407 for(int index = menuWindow.getItemCount()-1; index>=0; index--) {
408 XJMenuItem item = menuWindow.getItemAtIndex(index);
409 if(item != null && item.getTag() >= MI_NO_WINDOW)
410 menuWindow.removeItem(index);
411 }
412 buildWindowMenu_();
413 }
414
415 private XJMenu buildHelpMenu() {
416 menuHelp = new XJMenu();
417 menuHelp.setTitle(XJLocalizable.getXJString("Help"));
418 menuHelp.addItem(buildMenuItem(XJLocalizable.getXJString("Help"), MI_HELP));
419 if(!XJSystem.isMacOS()) {
420 menuHelp.addSeparator();
421 menuHelp.addItem(buildMenuItem(XJLocalizable.getXJString("About"), MI_ABOUT));
422 }
423 return menuHelp;
424 }
425
426 public void handleMenuEvent(XJMenu menu, XJMenuItem item) {
427 XJDocument document = XJApplication.shared().getActiveDocument();
428 switch(item.tag) {
429 case MI_NEW:
430 XJApplication.shared().newDocument();
431 break;
432
433 case MI_OPEN:
434 XJApplication.shared().openDocument();
435 break;
436
437 case MI_LOAD:
438 if(document != null && document.performLoad())
439 document.changeReset();
440 break;
441
442 case MI_SAVE:
443 if(document != null && document.performSave(false))
444 document.changeReset();
445 break;
446
447 case MI_SAVEAS:
448 if(document != null && document.performSave(true))
449 document.changeReset();
450 break;
451
452 case MI_CLEAR_RECENT_FILES:
453 XJApplication.shared().clearRecentFiles();
454 break;
455
456 case MI_QUIT:
457 XJApplication.shared().performQuit();
458 break;
459
460 case MI_PREFS:
461 XJApplication.shared().displayPrefs();
462 break;
463
464 case MI_ABOUT:
465 XJApplication.shared().displayAbout();
466 break;
467
468 case MI_HELP:
469 XJApplication.shared().displayHelp();
470 break;
471
472 default:
473 if(item.tag>=MI_WINDOW) {
474 XJWindow window = XJApplication.shared().getWindowsInWindowMenu().get(item.tag-MI_WINDOW);
475 window.bringToFront();
476 item.setSelected(true);
477 } else if(item.tag>=MI_RECENT_FILES && item.tag<=MI_RECENT_FILES+XJApplication.MAX_RECENT_FILES) {
478 if(!XJApplication.shared().openDocument(item.getTitle())) {
479 XJApplication.shared().removeRecentFile(item.getTitle());
480 }
481 } else if(delegate != null)
482 delegate.handleMenuEvent(menu, item);
483 break;
484 }
485 }
486
487 public void menuSelected(XJMenu menu) {
488 if(delegate != null)
489 delegate.handleMenuSelected(menu);
490 }
491 }
492 |
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