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1
150
151
152 package swingwt.awt;
153
154 import java.util.Locale  ;
155 import java.util.Vector ;
156
157 import org.eclipse.swt.SWT;
158 import org.eclipse.swt.widgets.Listener;
159
160 import swingwt.awt.event.ContainerEvent;
161 import swingwtx.swing.SwingUtilities;
162 import swingwtx.swing.SwingWTUtils;
163
164
168 public class Container extends Component {
169
170
171 public org.eclipse.swt.widgets.Composite composite = null;
172
173
174 protected LayoutManager layout = null;
175
176
177 protected Vector comps = new Vector ();
178
179 protected Vector containerListeners = new Vector ();
180
181 public Dimension getMinimumSize() {
182 return (layout==null) ? super.getMinimumSize() : layout.minimumLayoutSize(this);
183 }
184
185 public Dimension getPreferredSize() {
186 return (layout==null) ? super.getPreferredSize() : layout.preferredLayoutSize(this);
187 }
188
189 public Dimension getMaximumSize() {
190 return (layout instanceof LayoutManager2) ?
191 ((LayoutManager2)layout).maximumLayoutSize(this) :
192 super.getMaximumSize();
193 }
194
195 public void addContainerListener(swingwt.awt.event.ContainerListener l) {
196 containerListeners.add(l);
197 }
198
199 public void removeContainerListener(swingwt.awt.event.ContainerListener l) {
200 containerListeners.remove(l);
201 }
202
203 public Component add(Component c) {
204 return doAdd(c);
205 }
206
207 public Component add(Component c, int index) {
208 return add(c);
209 }
210
211
212 public Component doAdd(final Component c) {
213
214 if (c == null) return null;
215 final Container me = this;
216
217 if (comps.indexOf(c) == -1) {
220 comps.add(c);
221 }
222
223 if (!SwingWTUtils.isSWTControlAvailable(composite)) return c;
224
225 addComponentToLayout(c);
227
228 SwingUtilities.invokeSync(new Runnable () {
232 public void run() {
233
234 try {
235 c.setSwingWTParent(me);
236 c.setCachedProperties();
237 c.registerEvents();
238 processContainerEvent(new swingwt.awt.event.ContainerEvent(me, swingwt.awt.event.ContainerEvent.COMPONENT_ADDED, c));
239 }
240 catch (Exception e) {
241 e.printStackTrace();
242 }
243
244 queuedValidate();
245
246 }
247 });
248 return c;
249 }
250
251 protected void processContainerEvent(swingwt.awt.event.ContainerEvent e) {
252 if (containerListeners.size() == 0) return;
253 for (int i = 0; i < containerListeners.size(); i++) {
254 if (e.getID() == ContainerEvent.COMPONENT_ADDED)
255 ((swingwt.awt.event.ContainerListener) containerListeners.get(i)).componentAdded(e);
256 else
257 ((swingwt.awt.event.ContainerListener) containerListeners.get(i)).componentRemoved(e);
258 }
259 }
260
261
264 public void addComponentToLayout(Component c) {
265 if (layout != null) {
266 if (layout instanceof LayoutManager2) {
267 ((LayoutManager2)layout).addLayoutComponent(c, c.layoutModifier);
268 }
269 else
270 layout.addLayoutComponent(c.getName(), c);
271 }
272 }
273
274
275 public void invalidate() {
276 final Container me = this;
277 if (SwingWTUtils.isSWTControlAvailable(composite))
278 if (layout != null)
279 SwingUtilities.invokeSync(new Runnable () {
280 public void run() {
281 layout.layoutContainer(me);
282 }
283 });
284 }
285
286
287 public void validate() { invalidate(); }
288
289 public void revalidate() { invalidate(); }
290
291
305 public void queuedValidate() {
306 if (queuedValidateRequest) return; queuedValidateRequest = true;
308 SwingUtilities.invokeIn(new Runnable () {
309 public void run() {
310 invalidate();
311 queuedValidateRequest = false;
312 }
313 }, 1);
314 }
315 protected boolean queuedValidateRequest = false;
316
317
320 public void add(swingwt.awt.Component c, Object layoutModifier) {
321 if (c == null) return;
322 c.layoutModifier = layoutModifier;
323 doAdd(c);
324 }
325
326 public void add(swingwt.awt.Component c, Object layoutModifier, int index) {
327 add(c, layoutModifier);
328 }
329
330 public Component add(String name, swingwt.awt.Component c) {
331 add(c,name);
332 return c;
333 }
334
335 public void dispose() {
336
337 if (comps != null) {
339 for (int i = 0; i < comps.size(); i++) {
340 try {
341 ((Component) comps.get(i)).dispose();
342 }
343 catch (Exception e) {}
344 }
345 comps.removeAllElements();
347 }
348
349 if (peer != null) super.dispose();
350
351 composite = null;
352 peer = null;
353 }
354
355
359 public void remove(swingwt.awt.Component c) {
360 comps.remove(c);
361 layout.removeLayoutComponent(c);
362 c.componentOnlyDispose();
363 c.setComponentRemoved();
364 processContainerEvent(new swingwt.awt.event.ContainerEvent(this, swingwt.awt.event.ContainerEvent.COMPONENT_REMOVED, c));
365 invalidate();
366 }
367
368 public void remove(int index) {
369 Component c = (Component) comps.get(index);
370 remove(c);
371 }
372
373 public void removeAll() {
374 for (int i = 0; i < comps.size(); i++) {
375 Component c = (Component) comps.get(i);
376 remove(c);
377 }
378 comps.removeAllElements();
379 invalidate();
380 }
381
382
383 public void removeComponentFromCache(Component c) {
384 comps.remove(c);
385 }
386
387
388 public LayoutManager getLayout() {
389 return layout;
390 }
391
392
404 public void setLayout(LayoutManager l) {
405 setLayoutImpl(l);
406 }
407
408
416 protected void setLayoutImpl(LayoutManager l) {
417 layout = l;
418
419 if (composite == null)
420 return;
421
422 SwingUtilities.invokeSync(new Runnable () {
423 public void run() {
424
425 composite.setLayout(null);
427
428 composite.addListener(SWT.Resize, new Listener() {
430 public void handleEvent(org.eclipse.swt.widgets.Event e) {
431 invalidate();
432 }
433 });
434
435 }
436 });
437 }
438
439
440 public org.eclipse.swt.widgets.Composite getComposite() {
441 return composite;
442 }
443
444 public Container getParent() {
445 return parent;
446 }
447
448
452 public void setSwingWTParent(swingwt.awt.Container parent) throws Exception {
453
454 if (layout != null)
455 setLayoutImpl(layout);
456
457 if (comps.size() > 0) {
458 Object [] obs = comps.toArray();
459 for (int i = 0; i < obs.length; i++) {
460 Component c = (Component) obs[i];
461 doAdd(c);
462 }
463 }
464 }
465
466 public ComponentOrientation getComponentOrientation() {
467 return ComponentOrientation.getOrientation(Locale.getDefault());
468 }
469
470 public Insets getInsets() {
471 return new Insets(0,0,0,0);
472 }
473
474 public int getComponentCount() {
475 if (composite != null)
476 return composite.getChildren().length;
477 else
478 return comps.size();
479 }
480
481 public Component getComponent(int i) {
482 return (Component) comps.get(i);
483 }
484
485 public Component[] getComponents() {
486 Object [] comp = comps.toArray();
487 Component[] cps = new Component[comp.length];
488 for (int i = 0; i < comp.length; i++) {
489 cps[i] = (Component) comp[i];
490 }
491 return cps;
492 }
493
494
498 public void debug_showContainmentTree() {
499 System.out.println("Containment Tree: ====================");
500 System.out.println(getClass().getName());
501 xdebug_showChildren(this, 1);
502 }
503 private void xdebug_showChildren(Container c, int level) {
504 final String SPACE = " ";
505 for (int i = 0; i < c.comps.size(); i++) {
506 Component d = (Component) c.comps.get(i);
507 System.out.println(SPACE.substring(0, level) + d.getClass().getName());
508 if (d instanceof Container)
509 xdebug_showChildren((Container) d, level+1);
510 }
511 }
512
513 }
514 |
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