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1
77
78
79 package swingwtx.custom;
80
81 import org.eclipse.swt.custom.*;
82 import org.eclipse.swt.widgets.*;
83 import org.eclipse.swt.*;
84
85 import swingwtx.swing.*;
86 import swingwtx.swing.event.*;
87 import swingwtx.custom.event.*;
88
89 import java.util.*;
90
91
96 public class JClosableTabbedPane extends JComponent implements SwingConstants {
97
98 protected CTabFolder ppeer = null;
99
100
101 protected Vector tabs = new Vector();
102 protected Vector tabCloseListeners = new Vector();
103 protected int pTabPlacement = TOP;
104 protected Vector changeListeners = new Vector();
105 protected int pSelectedIndex = -1;
106
107
108 private int iRetVal = 0;
109 private String  sRetVal = "";
110 private Object retval;
111
112 public JClosableTabbedPane() { }
113
114 public void addChangeListener(ChangeListener l) {
115 changeListeners.add(l);
116 }
117
118 public void removeChangeListener(ChangeListener l) {
119 changeListeners.remove(l);
120 }
121
122 public void addTab(String title, swingwt.awt.Component component) {
123 addTab(title, null, component);
124 }
125
126 public void addTab(String title, Icon icon, swingwt.awt.Component component) {
127 addTab(title, icon, component, null, true);
128 }
129
130 public void addTab(final String title, final Icon icon, final swingwt.awt.Component component, final String tip) {
131 addTab(title, icon, component, tip, true);
132 }
133
134 public void addTab(final String title, final Icon icon, final swingwt.awt.Component component, final String tip, final boolean enabled) {
135 addTab(title, icon, component, tip, enabled, false);
136 }
137
138 public void addTab(final String title, final Icon icon, final swingwt.awt.Component component, final String tip, final boolean enabled, boolean fromcache) {
139
140 if (!fromcache) {
141 TabItemCache t = new TabItemCache();
143 t.title = title;
144 t.icon = icon;
145 t.component = component;
146 t.tip = tip;
147 t.enabled = enabled;
148 tabs.add(t);
149 t = null;
150 }
151
152 final JClosableTabbedPane me = this;
153 SwingUtilities.invokeSync(new Runnable () {
154 public void run() {
155 if (!SwingWTUtils.isSWTControlAvailable(ppeer)) return;
156
157 CTabItem t = new CTabItem(ppeer, SWT.NONE);
158
159 try {
162 component.setSwingWTParent(me);
163 }
164 catch (Exception e) {
165 e.printStackTrace();
166 }
167
168 if (title != null) t.setText(title);
169 if (icon != null) t.setImage(SwingWTUtils.getSWTImageFromSwingIcon(me, icon));
170
171 if (component != null && enabled) t.setControl(component.getPeer());
173
174 if (tip != null) t.setToolTipText(tip);
175 t.setData("enabled", (enabled ? "true" : "false"));
176
177 postponeLayout();
179 }
180 });
181
182 }
183
184 public Icon getIconAt(final int index) {
185 if (ppeer == null) {
186 TabItemCache t = (TabItemCache) tabs.get(index);
187 return t.icon;
188 }
189 else {
190 SwingUtilities.invokeSync(new Runnable () {
191 public void run() {
192 swingwt.awt.Image image = new swingwt.awt.Image();
193 image.image = ppeer.getItem(index).getImage();
194 retval = new ImageIcon(image);
195 }
196 });
197 return (Icon) retval;
198 }
199 }
200 public void setIconAt(final int index, final Icon icon) {
201 TabItemCache t = (TabItemCache) tabs.get(index);
202 t.icon = icon;
203 final JClosableTabbedPane pthis = this;
204 if (SwingWTUtils.isSWTControlAvailable(ppeer))
205 SwingUtilities.invokeSync(new Runnable () {
206 public void run() {
207 ppeer.getItem(index).setImage(SwingWTUtils.getSWTImageFromSwingIcon(pthis, icon));
208 }
209 });
210 }
211
212 public void addTabCloseListener(TabCloseListener l) {
213 tabCloseListeners.add(l);
214 }
215
216 public void removeTabCloseListener(TabCloseListener l) {
217 tabCloseListeners.remove(l);
218 }
219
220 public void setEnabledAt(final int index, final boolean b) {
221 if (SwingWTUtils.isSWTControlAvailable(ppeer)) {
222 SwingUtilities.invokeSync(new Runnable () {
223 public void run() {
224 ppeer.getItem(index).setData("enabled", (b ? "true" : "false"));
225 if (!b)
228 ppeer.getItem(index).setControl(null);
229 else
230 ppeer.getItem(index).setControl( ((TabItemCache) tabs.get(index)).component.getPeer() );
231 }
232 });
233 }
234 else {
235 TabItemCache t = (TabItemCache) tabs.get(index);
236 t.enabled = b;
237 }
238 }
239
240 public int getTabCount() {
241 if (!SwingWTUtils.isSWTControlAvailable(ppeer))
242 return tabs.size();
243 else {
244 SwingUtilities.invokeSync(new Runnable () {
245 public void run() {
246 iRetVal = ppeer.getItemCount();
247 }
248 });
249 return iRetVal;
250 }
251 }
252
253 public int getSelectedIndex() {
254 if (SwingWTUtils.isSWTControlAvailable(ppeer)) {
255 SwingUtilities.invokeSync(new Runnable () {
256 public void run() {
257 iRetVal = ppeer.getSelectionIndex();
258 }
259 });
260 }
261 else
262 iRetVal = -1;
263 return iRetVal;
264 }
265
266 public swingwt.awt.Component getSelectedComponent() {
267 int i = getSelectedIndex();
268 if (i != -1)
269 return ((TabItemCache) tabs.get(i)).component;
270 else
271 return null;
272 }
273
274 public void setSelectedIndex(final int index) {
275 pSelectedIndex = index;
276 if (SwingWTUtils.isSWTControlAvailable(ppeer))
277 SwingUtilities.invokeSync(new Runnable () {
278 public void run() {
279 ppeer.setSelection(index);
280 }
281 });
282 }
283
284 public void removeTabAt(final int index) {
285 if (SwingWTUtils.isSWTControlAvailable(ppeer)) {
286 SwingUtilities.invokeSync(new Runnable () {
287 public void run() {
288 tabs.removeElementAt(index);
289 ppeer.getItem(index).dispose();
290 }
291 });
292 }
293 else
294 tabs.removeElementAt(index);
295 }
296
297 public String getTitleAt(final int index) {
298 if (SwingWTUtils.isSWTControlAvailable(ppeer)) {
299 SwingUtilities.invokeSync(new Runnable () {
300 public void run() {
301 sRetVal = ppeer.getItem(index).getText();
302 }
303 });
304 return sRetVal;
305 }
306 else {
307 TabItemCache t = (TabItemCache) tabs.get(index);
308 return t.title;
309 }
310 }
311 public void setTitleAt(final int index, final String title) {
312 if (SwingWTUtils.isSWTControlAvailable(ppeer)) {
313 SwingUtilities.invokeSync(new Runnable () {
314 public void run() {
315 ppeer.getItem(index).setText(title);
316 }
317 });
318 }
319 else {
320 TabItemCache t = (TabItemCache) tabs.get(index);
321 t.title = title;
322 }
323 }
324 public int getTabPlacement() { return pTabPlacement; }
325 public void setTabPlacement(int place) { pTabPlacement = place; }
326
327 public Control getPeer() { return ppeer; }
328
329 protected void processTabClosing(CTabFolderEvent e) {
330 CTabItem[] items = ppeer.getItems();
332 for (int i = 0; i < items.length; i++) {
333 if (e.item.equals(items[i])) {
334 Iterator iter = tabCloseListeners.iterator();
335 while (iter.hasNext()) {
336 TabCloseListener l = (TabCloseListener) iter.next();
337 e.doit = l.tabClosed(i);
338 }
339 }
340 }
341 }
342
343
346 protected void processChangeEvent(ChangeEvent e) {
347 Iterator i = changeListeners.iterator();
348 while (i.hasNext()) {
349 ChangeListener l = (ChangeListener) i.next();
350 l.stateChanged(e);
351 }
352 }
353
354 protected void postponeLayout() {
355 SwingUtilities.invokeLater(new Runnable () {
356 public void run() {
357 layoutTab();
358 }
359 });
360 }
361
362 protected void layoutTab() {
363
364 int i = ppeer.getSelectionIndex();
365 if (i < 0 || i >= ppeer.getItems().length) return;
366
367 Control p = ppeer.getItem(ppeer.getSelectionIndex()).getControl();
368 if (p instanceof Composite)
369 ((Composite) p).layout(true);
370 else
371 p.redraw();
372 }
373
374
375 public void setSwingWTParent(swingwt.awt.Container parent) throws Exception {
376 descendantHasPeer = true;
377 ppeer = new CTabFolder(parent.getComposite(), SwingWTUtils.translateSwingAlignmentConstant(pTabPlacement));
378 peer = ppeer;
379 composite = ppeer;
380 this.parent = parent;
381
382 if (tabs.size() > 0) {
384 Object [] tabso = tabs.toArray();
385 for (int i = 0; i < tabso.length; i++) {
386 TabItemCache t = (TabItemCache) tabso[i];
387 addTab(t.title, t.icon, t.component, t.tip, t.enabled, true);
388 }
389 }
390
391 if (pSelectedIndex != -1)
393 ppeer.setSelection(pSelectedIndex);
394
395 ppeer.setUnselectedCloseVisible(true);
396 ppeer.setUnselectedImageVisible(true);
397 ppeer.setBorderVisible(true);
398
399 ppeer.addCTabFolderListener(new CTabFolderAdapter() {
402 public void itemClosed(CTabFolderEvent event) {
403 processTabClosing(event);
404 }
405 });
406
407 final JClosableTabbedPane me = this;
410 ppeer.addSelectionListener(new org.eclipse.swt.events.SelectionListener() {
411 public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) {
412 if (checkTabEnabled(e)) {
414 postponeLayout(); ChangeEvent ce = new ChangeEvent(me);
417 processChangeEvent(ce);
418 }
419 }
420 public void widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent e) {}
421 });
422
423 if (ppeer.getItemCount() > 0)
425 postponeLayout();
426
427 }
428
429
433 protected boolean checkTabEnabled(org.eclipse.swt.events.SelectionEvent e) {
434 e.doit = (e.item.getData("enabled").toString().equals("true"));
435 return e.doit;
436 }
437
438 }
439
440 |
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