1 |
14 |
jlechner |
/* JMenuBar.java --
|
2 |
|
|
Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc.
|
3 |
|
|
|
4 |
|
|
This file is part of GNU Classpath.
|
5 |
|
|
|
6 |
|
|
GNU Classpath is free software; you can redistribute it and/or modify
|
7 |
|
|
it under the terms of the GNU General Public License as published by
|
8 |
|
|
the Free Software Foundation; either version 2, or (at your option)
|
9 |
|
|
any later version.
|
10 |
|
|
|
11 |
|
|
GNU Classpath is distributed in the hope that it will be useful, but
|
12 |
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
14 |
|
|
General Public License for more details.
|
15 |
|
|
|
16 |
|
|
You should have received a copy of the GNU General Public License
|
17 |
|
|
along with GNU Classpath; see the file COPYING. If not, write to the
|
18 |
|
|
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
19 |
|
|
02110-1301 USA.
|
20 |
|
|
|
21 |
|
|
Linking this library statically or dynamically with other modules is
|
22 |
|
|
making a combined work based on this library. Thus, the terms and
|
23 |
|
|
conditions of the GNU General Public License cover the whole
|
24 |
|
|
combination.
|
25 |
|
|
|
26 |
|
|
As a special exception, the copyright holders of this library give you
|
27 |
|
|
permission to link this library with independent modules to produce an
|
28 |
|
|
executable, regardless of the license terms of these independent
|
29 |
|
|
modules, and to copy and distribute the resulting executable under
|
30 |
|
|
terms of your choice, provided that you also meet, for each linked
|
31 |
|
|
independent module, the terms and conditions of the license of that
|
32 |
|
|
module. An independent module is a module which is not derived from
|
33 |
|
|
or based on this library. If you modify this library, you may extend
|
34 |
|
|
this exception to your version of the library, but you are not
|
35 |
|
|
obligated to do so. If you do not wish to do so, delete this
|
36 |
|
|
exception statement from your version. */
|
37 |
|
|
|
38 |
|
|
|
39 |
|
|
package javax.swing;
|
40 |
|
|
|
41 |
|
|
import java.awt.Component;
|
42 |
|
|
import java.awt.Graphics;
|
43 |
|
|
import java.awt.Insets;
|
44 |
|
|
import java.awt.event.KeyEvent;
|
45 |
|
|
import java.awt.event.MouseEvent;
|
46 |
|
|
|
47 |
|
|
import javax.accessibility.Accessible;
|
48 |
|
|
import javax.accessibility.AccessibleContext;
|
49 |
|
|
import javax.accessibility.AccessibleRole;
|
50 |
|
|
import javax.accessibility.AccessibleSelection;
|
51 |
|
|
import javax.accessibility.AccessibleStateSet;
|
52 |
|
|
import javax.swing.plaf.MenuBarUI;
|
53 |
|
|
|
54 |
|
|
/**
|
55 |
|
|
* JMenuBar is a container for menu's. For a menu bar to be seen on the
|
56 |
|
|
* screen, at least one menu should be added to it. Just like adding
|
57 |
|
|
* components to container, one can use add() to add menu's to the menu bar.
|
58 |
|
|
* Menu's will be displayed in the menu bar in the order they were added.
|
59 |
|
|
* The JMenuBar uses selectionModel to keep track of selected menu index.
|
60 |
|
|
* JMenuBar's selectionModel will fire ChangeEvents to its registered
|
61 |
|
|
* listeners when the selected index changes.
|
62 |
|
|
*/
|
63 |
|
|
public class JMenuBar extends JComponent implements Accessible, MenuElement
|
64 |
|
|
{
|
65 |
|
|
/**
|
66 |
|
|
* Provides accessibility support for <code>JMenuBar</code>.
|
67 |
|
|
*
|
68 |
|
|
* @author Roman Kennke (kennke@aicas.com)
|
69 |
|
|
*/
|
70 |
|
|
protected class AccessibleJMenuBar extends AccessibleJComponent
|
71 |
|
|
implements AccessibleSelection
|
72 |
|
|
{
|
73 |
|
|
|
74 |
|
|
/**
|
75 |
|
|
* Returns the number of selected items in the menu bar. Possible values
|
76 |
|
|
* are <code>0</code> if nothing is selected, or <code>1</code> if one
|
77 |
|
|
* item is selected.
|
78 |
|
|
*
|
79 |
|
|
* @return the number of selected items in the menu bar
|
80 |
|
|
*/
|
81 |
|
|
public int getAccessibleSelectionCount()
|
82 |
|
|
{
|
83 |
|
|
int count = 0;
|
84 |
|
|
if (getSelectionModel().getSelectedIndex() != -1)
|
85 |
|
|
count = 1;
|
86 |
|
|
return count;
|
87 |
|
|
}
|
88 |
|
|
|
89 |
|
|
/**
|
90 |
|
|
* Returns the selected with index <code>i</code> menu, or
|
91 |
|
|
* <code>null</code> if the specified menu is not selected.
|
92 |
|
|
*
|
93 |
|
|
* @param i the index of the menu to return
|
94 |
|
|
*
|
95 |
|
|
* @return the selected with index <code>i</code> menu, or
|
96 |
|
|
* <code>null</code> if the specified menu is not selected
|
97 |
|
|
*/
|
98 |
|
|
public Accessible getAccessibleSelection(int i)
|
99 |
|
|
{
|
100 |
|
|
if (getSelectionModel().getSelectedIndex() != i)
|
101 |
|
|
return null;
|
102 |
|
|
return getMenu(i);
|
103 |
|
|
}
|
104 |
|
|
|
105 |
|
|
/**
|
106 |
|
|
* Returns <code>true</code> if the specified menu is selected,
|
107 |
|
|
* <code>false</code> otherwise.
|
108 |
|
|
*
|
109 |
|
|
* @param i the index of the menu to check
|
110 |
|
|
*
|
111 |
|
|
*@return <code>true</code> if the specified menu is selected,
|
112 |
|
|
* <code>false</code> otherwise
|
113 |
|
|
*/
|
114 |
|
|
public boolean isAccessibleChildSelected(int i)
|
115 |
|
|
{
|
116 |
|
|
return getSelectionModel().getSelectedIndex() == i;
|
117 |
|
|
}
|
118 |
|
|
|
119 |
|
|
/**
|
120 |
|
|
* Selects the menu with index <code>i</code>. If another menu is already
|
121 |
|
|
* selected, this will be deselected.
|
122 |
|
|
*
|
123 |
|
|
* @param i the menu to be selected
|
124 |
|
|
*/
|
125 |
|
|
public void addAccessibleSelection(int i)
|
126 |
|
|
{
|
127 |
|
|
getSelectionModel().setSelectedIndex(i);
|
128 |
|
|
}
|
129 |
|
|
|
130 |
|
|
/**
|
131 |
|
|
* Deselects the menu with index <code>i</code>.
|
132 |
|
|
*
|
133 |
|
|
* @param i the menu index to be deselected
|
134 |
|
|
*/
|
135 |
|
|
public void removeAccessibleSelection(int i)
|
136 |
|
|
{
|
137 |
|
|
if (getSelectionModel().getSelectedIndex() == i)
|
138 |
|
|
getSelectionModel().clearSelection();
|
139 |
|
|
}
|
140 |
|
|
|
141 |
|
|
/**
|
142 |
|
|
* Deselects all possibly selected menus.
|
143 |
|
|
*/
|
144 |
|
|
public void clearAccessibleSelection()
|
145 |
|
|
{
|
146 |
|
|
getSelectionModel().clearSelection();
|
147 |
|
|
}
|
148 |
|
|
|
149 |
|
|
/**
|
150 |
|
|
* In menu bars it is not possible to select all items, so this method
|
151 |
|
|
* does nothing.
|
152 |
|
|
*/
|
153 |
|
|
public void selectAllAccessibleSelection()
|
154 |
|
|
{
|
155 |
|
|
// In menu bars it is not possible to select all items, so this method
|
156 |
|
|
// does nothing.
|
157 |
|
|
}
|
158 |
|
|
|
159 |
|
|
/**
|
160 |
|
|
* Returns the accessible role of <code>JMenuBar</code>, which is
|
161 |
|
|
* {@link AccessibleRole#MENU_BAR}.
|
162 |
|
|
*
|
163 |
|
|
* @return the accessible role of <code>JMenuBar</code>, which is
|
164 |
|
|
* {@link AccessibleRole#MENU_BAR}
|
165 |
|
|
*/
|
166 |
|
|
public AccessibleRole getAccessibleRole()
|
167 |
|
|
{
|
168 |
|
|
return AccessibleRole.MENU_BAR;
|
169 |
|
|
}
|
170 |
|
|
|
171 |
|
|
/**
|
172 |
|
|
* Returns the <code>AccessibleSelection</code> for this object. This
|
173 |
|
|
* method returns <code>this</code>, since the
|
174 |
|
|
* <code>AccessibleJMenuBar</code> manages its selection itself.
|
175 |
|
|
*
|
176 |
|
|
* @return the <code>AccessibleSelection</code> for this object
|
177 |
|
|
*/
|
178 |
|
|
public AccessibleSelection getAccessibleSelection()
|
179 |
|
|
{
|
180 |
|
|
return this;
|
181 |
|
|
}
|
182 |
|
|
|
183 |
|
|
/**
|
184 |
|
|
* Returns the state of this <code>AccessibleJMenuBar</code>.
|
185 |
|
|
*
|
186 |
|
|
* @return the state of this <code>AccessibleJMenuBar</code>.
|
187 |
|
|
*/
|
188 |
|
|
public AccessibleStateSet getAccessibleStateSet()
|
189 |
|
|
{
|
190 |
|
|
AccessibleStateSet stateSet = super.getAccessibleStateSet();
|
191 |
|
|
// TODO: Figure out what state must be added to the super state set.
|
192 |
|
|
return stateSet;
|
193 |
|
|
}
|
194 |
|
|
}
|
195 |
|
|
|
196 |
|
|
private static final long serialVersionUID = -8191026883931977036L;
|
197 |
|
|
|
198 |
|
|
/** JMenuBar's model. It keeps track of selected menu's index */
|
199 |
|
|
private transient SingleSelectionModel selectionModel;
|
200 |
|
|
|
201 |
|
|
/* borderPainted property indicating if the menuBar's border will be painted*/
|
202 |
|
|
private boolean borderPainted;
|
203 |
|
|
|
204 |
|
|
/* margin between menu bar's border and its menues*/
|
205 |
|
|
private Insets margin;
|
206 |
|
|
|
207 |
|
|
/**
|
208 |
|
|
* Creates a new JMenuBar object.
|
209 |
|
|
*/
|
210 |
|
|
public JMenuBar()
|
211 |
|
|
{
|
212 |
|
|
selectionModel = new DefaultSingleSelectionModel();
|
213 |
|
|
borderPainted = true;
|
214 |
|
|
updateUI();
|
215 |
|
|
}
|
216 |
|
|
|
217 |
|
|
/**
|
218 |
|
|
* Adds menu to the menu bar
|
219 |
|
|
*
|
220 |
|
|
* @param c menu to add
|
221 |
|
|
*
|
222 |
|
|
* @return reference to the added menu
|
223 |
|
|
*/
|
224 |
|
|
public JMenu add(JMenu c)
|
225 |
|
|
{
|
226 |
|
|
c.setAlignmentX(Component.LEFT_ALIGNMENT);
|
227 |
|
|
super.add(c);
|
228 |
|
|
return c;
|
229 |
|
|
}
|
230 |
|
|
|
231 |
|
|
/**
|
232 |
|
|
* This method overrides addNotify() in the Container to register
|
233 |
|
|
* this menu bar with the current keyboard manager.
|
234 |
|
|
*/
|
235 |
|
|
public void addNotify()
|
236 |
|
|
{
|
237 |
|
|
super.addNotify();
|
238 |
|
|
KeyboardManager.getManager().registerJMenuBar(this);
|
239 |
|
|
}
|
240 |
|
|
|
241 |
|
|
public AccessibleContext getAccessibleContext()
|
242 |
|
|
{
|
243 |
|
|
if (accessibleContext == null)
|
244 |
|
|
accessibleContext = new AccessibleJMenuBar();
|
245 |
|
|
return accessibleContext;
|
246 |
|
|
}
|
247 |
|
|
|
248 |
|
|
/**
|
249 |
|
|
* Returns reference to this menu bar
|
250 |
|
|
*
|
251 |
|
|
* @return reference to this menu bar
|
252 |
|
|
*/
|
253 |
|
|
public Component getComponent()
|
254 |
|
|
{
|
255 |
|
|
return this;
|
256 |
|
|
}
|
257 |
|
|
|
258 |
|
|
/**
|
259 |
|
|
* Returns component at the specified index.
|
260 |
|
|
*
|
261 |
|
|
* @param i index of the component to get
|
262 |
|
|
*
|
263 |
|
|
* @return component at the specified index. Null is returned if
|
264 |
|
|
* component at the specified index doesn't exist.
|
265 |
|
|
* @deprecated Replaced by getComponent(int)
|
266 |
|
|
*/
|
267 |
|
|
public Component getComponentAtIndex(int i)
|
268 |
|
|
{
|
269 |
|
|
return getComponent(i);
|
270 |
|
|
}
|
271 |
|
|
|
272 |
|
|
/**
|
273 |
|
|
* Returns index of the specified component
|
274 |
|
|
*
|
275 |
|
|
* @param c Component to search for
|
276 |
|
|
*
|
277 |
|
|
* @return index of the specified component. -1 is returned if
|
278 |
|
|
* specified component doesnt' exist in the menu bar.
|
279 |
|
|
*/
|
280 |
|
|
public int getComponentIndex(Component c)
|
281 |
|
|
{
|
282 |
|
|
Component[] comps = getComponents();
|
283 |
|
|
|
284 |
|
|
int index = -1;
|
285 |
|
|
|
286 |
|
|
for (int i = 0; i < comps.length; i++)
|
287 |
|
|
{
|
288 |
|
|
if (comps[i].equals(c))
|
289 |
|
|
{
|
290 |
|
|
index = i;
|
291 |
|
|
break;
|
292 |
|
|
}
|
293 |
|
|
}
|
294 |
|
|
|
295 |
|
|
return index;
|
296 |
|
|
}
|
297 |
|
|
|
298 |
|
|
/**
|
299 |
|
|
* DOCUMENT ME!
|
300 |
|
|
*
|
301 |
|
|
* @return DOCUMENT ME!
|
302 |
|
|
*/
|
303 |
|
|
public JMenu getHelpMenu()
|
304 |
|
|
{
|
305 |
|
|
return null;
|
306 |
|
|
}
|
307 |
|
|
|
308 |
|
|
/**
|
309 |
|
|
* Returns margin betweeen menu bar's border and its menues
|
310 |
|
|
*
|
311 |
|
|
* @return margin between menu bar's border and its menues
|
312 |
|
|
*/
|
313 |
|
|
public Insets getMargin()
|
314 |
|
|
{
|
315 |
|
|
if (margin == null)
|
316 |
|
|
return new Insets(0, 0, 0, 0);
|
317 |
|
|
else
|
318 |
|
|
return margin;
|
319 |
|
|
}
|
320 |
|
|
|
321 |
|
|
/**
|
322 |
|
|
* Return menu at the specified index. If component at the
|
323 |
|
|
* specified index is not a menu, then null is returned.
|
324 |
|
|
*
|
325 |
|
|
* @param index index to look for the menu
|
326 |
|
|
*
|
327 |
|
|
* @return menu at specified index, or null if menu doesn't exist
|
328 |
|
|
* at the specified index.
|
329 |
|
|
*/
|
330 |
|
|
public JMenu getMenu(int index)
|
331 |
|
|
{
|
332 |
|
|
if (getComponentAtIndex(index) instanceof JMenu)
|
333 |
|
|
return (JMenu) getComponentAtIndex(index);
|
334 |
|
|
else
|
335 |
|
|
return null;
|
336 |
|
|
}
|
337 |
|
|
|
338 |
|
|
/**
|
339 |
|
|
* Returns number of menu's in this menu bar
|
340 |
|
|
*
|
341 |
|
|
* @return number of menu's in this menu bar
|
342 |
|
|
*/
|
343 |
|
|
public int getMenuCount()
|
344 |
|
|
{
|
345 |
|
|
return getComponentCount();
|
346 |
|
|
}
|
347 |
|
|
|
348 |
|
|
/**
|
349 |
|
|
* Returns selection model for this menu bar. SelectionModel
|
350 |
|
|
* keeps track of the selected menu in the menu bar. Whenever
|
351 |
|
|
* selected property of selectionModel changes, the ChangeEvent
|
352 |
|
|
* will be fired its ChangeListeners.
|
353 |
|
|
*
|
354 |
|
|
* @return selection model for this menu bar.
|
355 |
|
|
*/
|
356 |
|
|
public SingleSelectionModel getSelectionModel()
|
357 |
|
|
{
|
358 |
|
|
return selectionModel;
|
359 |
|
|
}
|
360 |
|
|
|
361 |
|
|
/**
|
362 |
|
|
* Method of MenuElement interface. It returns subcomponents
|
363 |
|
|
* of the menu bar, which are all the menues that it contains.
|
364 |
|
|
*
|
365 |
|
|
* @return MenuElement[] array containing menues in this menu bar
|
366 |
|
|
*/
|
367 |
|
|
public MenuElement[] getSubElements()
|
368 |
|
|
{
|
369 |
|
|
MenuElement[] subElements = new MenuElement[getComponentCount()];
|
370 |
|
|
|
371 |
|
|
for (int i = 0; i < getComponentCount(); i++)
|
372 |
|
|
subElements[i] = (MenuElement) getMenu(i);
|
373 |
|
|
|
374 |
|
|
return subElements;
|
375 |
|
|
}
|
376 |
|
|
|
377 |
|
|
/**
|
378 |
|
|
* Set the "UI" property of the menu bar, which is a look and feel class
|
379 |
|
|
* responsible for handling the menuBar's input events and painting it.
|
380 |
|
|
*
|
381 |
|
|
* @return The current "UI" property
|
382 |
|
|
*/
|
383 |
|
|
public MenuBarUI getUI()
|
384 |
|
|
{
|
385 |
|
|
return (MenuBarUI) ui;
|
386 |
|
|
}
|
387 |
|
|
|
388 |
|
|
/**
|
389 |
|
|
* This method returns a name to identify which look and feel class will be
|
390 |
|
|
* the UI delegate for the menu bar.
|
391 |
|
|
*
|
392 |
|
|
* @return The Look and Feel classID. "MenuBarUI"
|
393 |
|
|
*/
|
394 |
|
|
public String getUIClassID()
|
395 |
|
|
{
|
396 |
|
|
return "MenuBarUI";
|
397 |
|
|
}
|
398 |
|
|
|
399 |
|
|
/**
|
400 |
|
|
* Returns true if menu bar paints its border and false otherwise
|
401 |
|
|
*
|
402 |
|
|
* @return true if menu bar paints its border and false otherwise
|
403 |
|
|
*/
|
404 |
|
|
public boolean isBorderPainted()
|
405 |
|
|
{
|
406 |
|
|
return borderPainted;
|
407 |
|
|
}
|
408 |
|
|
|
409 |
|
|
/**
|
410 |
|
|
* Returns true if some menu in menu bar is selected.
|
411 |
|
|
*
|
412 |
|
|
* @return true if some menu in menu bar is selected and false otherwise
|
413 |
|
|
*/
|
414 |
|
|
public boolean isSelected()
|
415 |
|
|
{
|
416 |
|
|
return selectionModel.isSelected();
|
417 |
|
|
}
|
418 |
|
|
|
419 |
|
|
/**
|
420 |
|
|
* This method does nothing by default. This method is need for the
|
421 |
|
|
* MenuElement interface to be implemented.
|
422 |
|
|
*
|
423 |
|
|
* @param isIncluded true if menuBar is included in the selection
|
424 |
|
|
* and false otherwise
|
425 |
|
|
*/
|
426 |
|
|
public void menuSelectionChanged(boolean isIncluded)
|
427 |
|
|
{
|
428 |
|
|
// Do nothing - needed for implementation of MenuElement interface
|
429 |
|
|
}
|
430 |
|
|
|
431 |
|
|
/**
|
432 |
|
|
* Paints border of the menu bar, if its borderPainted property is set to
|
433 |
|
|
* true.
|
434 |
|
|
*
|
435 |
|
|
* @param g The graphics context with which to paint the border
|
436 |
|
|
*/
|
437 |
|
|
protected void paintBorder(Graphics g)
|
438 |
|
|
{
|
439 |
|
|
if (borderPainted)
|
440 |
|
|
getBorder().paintBorder(this, g, 0, 0, getSize(null).width,
|
441 |
|
|
getSize(null).height);
|
442 |
|
|
}
|
443 |
|
|
|
444 |
|
|
/**
|
445 |
|
|
* A string that describes this JMenuBar. Normally only used
|
446 |
|
|
* for debugging.
|
447 |
|
|
*
|
448 |
|
|
* @return A string describing this JMenuBar
|
449 |
|
|
*/
|
450 |
|
|
protected String paramString()
|
451 |
|
|
{
|
452 |
|
|
StringBuffer sb = new StringBuffer();
|
453 |
|
|
sb.append(super.paramString());
|
454 |
|
|
sb.append(",margin=");
|
455 |
|
|
if (getMargin() != null)
|
456 |
|
|
sb.append(getMargin());
|
457 |
|
|
sb.append(",paintBorder=").append(isBorderPainted());
|
458 |
|
|
return sb.toString();
|
459 |
|
|
}
|
460 |
|
|
|
461 |
|
|
/**
|
462 |
|
|
* Process key events forwarded from MenuSelectionManager. This method
|
463 |
|
|
* doesn't do anything. It is here to conform to the MenuElement interface.
|
464 |
|
|
*
|
465 |
|
|
* @param e event forwarded from MenuSelectionManager
|
466 |
|
|
* @param path path to the menu element from which event was generated
|
467 |
|
|
* @param manager MenuSelectionManager for the current menu hierarchy
|
468 |
|
|
*
|
469 |
|
|
*/
|
470 |
|
|
public void processKeyEvent(KeyEvent e, MenuElement[] path,
|
471 |
|
|
MenuSelectionManager manager)
|
472 |
|
|
{
|
473 |
|
|
// Do nothing - needed for implementation of MenuElement interface
|
474 |
|
|
}
|
475 |
|
|
|
476 |
|
|
/**
|
477 |
|
|
* This method overrides JComponent.processKeyBinding to allow the
|
478 |
|
|
* JMenuBar to check all the child components (recursiveley) to see
|
479 |
|
|
* if they'll consume the event.
|
480 |
|
|
*
|
481 |
|
|
* @param ks the KeyStroke for the event
|
482 |
|
|
* @param e the KeyEvent for the event
|
483 |
|
|
* @param condition the focus condition for the binding
|
484 |
|
|
* @param pressed true if the key is pressed
|
485 |
|
|
*/
|
486 |
|
|
protected boolean processKeyBinding(KeyStroke ks, KeyEvent e, int condition,
|
487 |
|
|
boolean pressed)
|
488 |
|
|
{
|
489 |
|
|
// See if the regular JComponent behavior consumes the event
|
490 |
|
|
if (super.processKeyBinding(ks, e, condition, pressed))
|
491 |
|
|
return true;
|
492 |
|
|
|
493 |
|
|
// If not, have to recursively check all the child menu elements to see
|
494 |
|
|
// if they want it
|
495 |
|
|
MenuElement[] children = getSubElements();
|
496 |
|
|
for (int i = 0; i < children.length; i++)
|
497 |
|
|
if (processKeyBindingHelper(children[i], ks, e, condition, pressed))
|
498 |
|
|
return true;
|
499 |
|
|
return false;
|
500 |
|
|
}
|
501 |
|
|
|
502 |
|
|
/**
|
503 |
|
|
* This is a helper method to recursively check the children of this
|
504 |
|
|
* JMenuBar to see if they will consume a key event via key bindings.
|
505 |
|
|
* This is used for menu accelerators.
|
506 |
|
|
* @param menuElement the menuElement to check (and check all its children)
|
507 |
|
|
* @param ks the KeyStroke for the event
|
508 |
|
|
* @param e the KeyEvent that may be consumed
|
509 |
|
|
* @param condition the focus condition for the binding
|
510 |
|
|
* @param pressed true if the key was pressed
|
511 |
|
|
* @return true <code>menuElement</code> or one of its children consume
|
512 |
|
|
* the event (processKeyBinding returns true for menuElement or one of
|
513 |
|
|
* its children).
|
514 |
|
|
*/
|
515 |
|
|
static boolean processKeyBindingHelper(MenuElement menuElement, KeyStroke ks,
|
516 |
|
|
KeyEvent e, int condition,
|
517 |
|
|
boolean pressed)
|
518 |
|
|
{
|
519 |
|
|
// First check the menuElement itself, if it's a JComponent
|
520 |
|
|
if (menuElement instanceof JComponent
|
521 |
|
|
&& ((JComponent) menuElement).processKeyBinding(ks, e, condition,
|
522 |
|
|
pressed))
|
523 |
|
|
return true;
|
524 |
|
|
|
525 |
|
|
// If that didn't consume it, check all the children recursively
|
526 |
|
|
MenuElement[] children = menuElement.getSubElements();
|
527 |
|
|
for (int i = 0; i < children.length; i++)
|
528 |
|
|
if (processKeyBindingHelper(children[i], ks, e, condition, pressed))
|
529 |
|
|
return true;
|
530 |
|
|
return false;
|
531 |
|
|
}
|
532 |
|
|
|
533 |
|
|
/**
|
534 |
|
|
* Process mouse events forwarded from MenuSelectionManager. This method
|
535 |
|
|
* doesn't do anything. It is here to conform to the MenuElement interface.
|
536 |
|
|
*
|
537 |
|
|
* @param event event forwarded from MenuSelectionManager
|
538 |
|
|
* @param path path to the menu element from which event was generated
|
539 |
|
|
* @param manager MenuSelectionManager for the current menu hierarchy
|
540 |
|
|
*
|
541 |
|
|
*/
|
542 |
|
|
public void processMouseEvent(MouseEvent event, MenuElement[] path,
|
543 |
|
|
MenuSelectionManager manager)
|
544 |
|
|
{
|
545 |
|
|
// Do nothing - needed for implementation of MenuElement interface
|
546 |
|
|
}
|
547 |
|
|
|
548 |
|
|
/**
|
549 |
|
|
* This method overrides removeNotify() in the Container to
|
550 |
|
|
* unregister this menu bar from the current keyboard manager.
|
551 |
|
|
*/
|
552 |
|
|
public void removeNotify()
|
553 |
|
|
{
|
554 |
|
|
KeyboardManager.getManager().unregisterJMenuBar(this);
|
555 |
|
|
super.removeNotify();
|
556 |
|
|
}
|
557 |
|
|
|
558 |
|
|
/**
|
559 |
|
|
* Sets painting status of the border. If 'b' is true then menu bar's
|
560 |
|
|
* border will be painted, and it will not be painted otherwise.
|
561 |
|
|
*
|
562 |
|
|
* @param b indicates if menu bar's border should be painted.
|
563 |
|
|
*/
|
564 |
|
|
public void setBorderPainted(boolean b)
|
565 |
|
|
{
|
566 |
|
|
if (b != borderPainted)
|
567 |
|
|
{
|
568 |
|
|
boolean old = borderPainted;
|
569 |
|
|
borderPainted = b;
|
570 |
|
|
firePropertyChange("borderPainted", old, b);
|
571 |
|
|
revalidate();
|
572 |
|
|
repaint();
|
573 |
|
|
}
|
574 |
|
|
}
|
575 |
|
|
|
576 |
|
|
/**
|
577 |
|
|
* Sets help menu for this menu bar
|
578 |
|
|
*
|
579 |
|
|
* @param menu help menu
|
580 |
|
|
*
|
581 |
|
|
* @specnote The specification states that this method is not yet implemented
|
582 |
|
|
* and should throw an exception.
|
583 |
|
|
*/
|
584 |
|
|
public void setHelpMenu(JMenu menu)
|
585 |
|
|
{
|
586 |
|
|
// We throw an Error here, just as Sun's JDK does.
|
587 |
|
|
throw new Error("setHelpMenu() not yet implemented.");
|
588 |
|
|
}
|
589 |
|
|
|
590 |
|
|
/**
|
591 |
|
|
* Sets the menu bar's "margin" bound property, which represents
|
592 |
|
|
* distance between the menubar's border and its menus.
|
593 |
|
|
* icon. When marging property is modified, PropertyChangeEvent will
|
594 |
|
|
* be fired to menuBar's PropertyChangeListener's.
|
595 |
|
|
*
|
596 |
|
|
* @param m distance between the menubar's border and its menus.
|
597 |
|
|
*
|
598 |
|
|
*/
|
599 |
|
|
public void setMargin(Insets m)
|
600 |
|
|
{
|
601 |
|
|
if (m != margin)
|
602 |
|
|
{
|
603 |
|
|
Insets oldMargin = margin;
|
604 |
|
|
margin = m;
|
605 |
|
|
firePropertyChange("margin", oldMargin, margin);
|
606 |
|
|
}
|
607 |
|
|
}
|
608 |
|
|
|
609 |
|
|
/**
|
610 |
|
|
* Changes menu bar's selection to the specified menu.
|
611 |
|
|
* This method updates selected index of menu bar's selection model,
|
612 |
|
|
* which results in a model firing change event.
|
613 |
|
|
*
|
614 |
|
|
* @param sel menu to select
|
615 |
|
|
*/
|
616 |
|
|
public void setSelected(Component sel)
|
617 |
|
|
{
|
618 |
|
|
int index = getComponentIndex(sel);
|
619 |
|
|
selectionModel.setSelectedIndex(index);
|
620 |
|
|
}
|
621 |
|
|
|
622 |
|
|
/**
|
623 |
|
|
* Sets menuBar's selection model to the one specified
|
624 |
|
|
*
|
625 |
|
|
* @param model SingleSelectionModel that needs to be set for this menu bar
|
626 |
|
|
*/
|
627 |
|
|
public void setSelectionModel(SingleSelectionModel model)
|
628 |
|
|
{
|
629 |
|
|
if (selectionModel != model)
|
630 |
|
|
{
|
631 |
|
|
SingleSelectionModel oldModel = selectionModel;
|
632 |
|
|
selectionModel = model;
|
633 |
|
|
firePropertyChange("model", oldModel, selectionModel);
|
634 |
|
|
}
|
635 |
|
|
}
|
636 |
|
|
|
637 |
|
|
/**
|
638 |
|
|
* Set the "UI" property of the menu bar, which is a look and feel class
|
639 |
|
|
* responsible for handling menuBar's input events and painting it.
|
640 |
|
|
*
|
641 |
|
|
* @param ui The new "UI" property
|
642 |
|
|
*/
|
643 |
|
|
public void setUI(MenuBarUI ui)
|
644 |
|
|
{
|
645 |
|
|
super.setUI(ui);
|
646 |
|
|
}
|
647 |
|
|
|
648 |
|
|
/**
|
649 |
|
|
* Set the "UI" property to a class constructed, via the {@link
|
650 |
|
|
* UIManager}, from the current look and feel.
|
651 |
|
|
*/
|
652 |
|
|
public void updateUI()
|
653 |
|
|
{
|
654 |
|
|
setUI((MenuBarUI) UIManager.getUI(this));
|
655 |
|
|
invalidate();
|
656 |
|
|
}
|
657 |
|
|
}
|