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1
11
12 package org.eclipse.ui.internal.keys;
13
14 import java.util.ArrayList  ;
15 import java.util.List ;
16
17 import org.eclipse.core.runtime.IProgressMonitor;
18 import org.eclipse.core.runtime.IStatus;
19 import org.eclipse.core.runtime.Status;
20 import org.eclipse.core.runtime.jobs.Job;
21 import org.eclipse.jface.action.Action;
22 import org.eclipse.jface.action.IAction;
23 import org.eclipse.jface.action.ToolBarManager;
24 import org.eclipse.jface.dialogs.IDialogSettings;
25 import org.eclipse.jface.resource.JFaceResources;
26 import org.eclipse.jface.viewers.TableTreeViewer;
27 import org.eclipse.swt.SWT;
28 import org.eclipse.swt.accessibility.AccessibleAdapter;
29 import org.eclipse.swt.accessibility.AccessibleEvent;
30 import org.eclipse.swt.events.ControlAdapter;
31 import org.eclipse.swt.events.ControlEvent;
32 import org.eclipse.swt.events.DisposeEvent;
33 import org.eclipse.swt.events.DisposeListener;
34 import org.eclipse.swt.events.KeyAdapter;
35 import org.eclipse.swt.events.KeyEvent;
36 import org.eclipse.swt.events.SelectionAdapter;
37 import org.eclipse.swt.events.SelectionEvent;
38 import org.eclipse.swt.events.TraverseEvent;
39 import org.eclipse.swt.events.TraverseListener;
40 import org.eclipse.swt.graphics.Point;
41 import org.eclipse.swt.graphics.Rectangle;
42 import org.eclipse.swt.layout.GridData;
43 import org.eclipse.swt.layout.GridLayout;
44 import org.eclipse.swt.widgets.Composite;
45 import org.eclipse.swt.widgets.Display;
46 import org.eclipse.swt.widgets.Event;
47 import org.eclipse.swt.widgets.Listener;
48 import org.eclipse.swt.widgets.Shell;
49 import org.eclipse.swt.widgets.Table;
50 import org.eclipse.swt.widgets.TableItem;
51 import org.eclipse.swt.widgets.Text;
52 import org.eclipse.swt.widgets.ToolBar;
53 import org.eclipse.ui.internal.WorkbenchMessages;
54 import org.eclipse.ui.internal.WorkbenchPlugin;
55 import org.eclipse.ui.internal.dialogs.PatternFilter;
56 import org.eclipse.ui.internal.dialogs.PreferenceNodeFilter;
57 import org.eclipse.ui.progress.WorkbenchJob;
58
59
69 public final class DougsSuperFilteredTableTree extends Composite {
70
71 private static final String CLEAR_ICON = "org.eclipse.ui.internal.dialogs.CLEAR_ICON";
73 private static final String DCLEAR_ICON = "org.eclipse.ui.internal.dialogs.DCLEAR_ICON";
75
78 private static final String SEARCHHISTORY = "search";
80 private String cachedTitle;
81
82 protected Text filterText;
83
84 private ToolBarManager filterToolBar;
85
86 protected String initialText = "";
88 private PatternFilter patternFilter;
89
90 private PreferenceNodeFilter preferenceFilter;
91
92
95 private Job refreshJob;
96
97
100 private List searchHistory;
101
102 protected TableTreeViewer viewer;
103
104
113 public DougsSuperFilteredTableTree(final Composite parent, final int style) {
114 super(parent, style);
115
116 GridData gridData;
117
118 final Composite treeComposite = new Composite(this, SWT.NONE);
120 GridLayout layout = new GridLayout(2, false);
121 layout.marginHeight = 0;
122 layout.marginWidth = 0;
123 treeComposite.setLayout(layout);
124 treeComposite.setFont(parent.getFont());
125 gridData = new GridData();
126 gridData.grabExcessHorizontalSpace = true;
127 gridData.grabExcessVerticalSpace = true;
128 gridData.horizontalAlignment = SWT.FILL;
129 gridData.verticalAlignment = SWT.FILL;
130 treeComposite.setLayoutData(gridData);
131
132 createFilterControl(treeComposite);
134 gridData = new GridData();
135 gridData.grabExcessHorizontalSpace = true;
136 gridData.horizontalAlignment = SWT.FILL;
137 getFilterControl().setLayoutData(gridData);
138
139 final ToolBar toolBar = new ToolBar(treeComposite, SWT.FLAT
141 | SWT.HORIZONTAL);
142 filterToolBar = new ToolBarManager(toolBar);
143 createClearText(filterToolBar);
144 filterToolBar.update(false);
145 filterToolBar.getControl().setVisible(false);
146 filterToolBar.getControl().setLayoutData(new GridData());
147
148 viewer = new TableTreeViewer(treeComposite, SWT.SINGLE
150 | SWT.FULL_SELECTION);
151 viewer.getControl().addDisposeListener(new DisposeListener() {
152
157 public void widgetDisposed(DisposeEvent e) {
158 refreshJob.cancel();
159
160 }
161 });
162 gridData = new GridData();
163 gridData.grabExcessHorizontalSpace = true;
164 gridData.grabExcessVerticalSpace = true;
165 gridData.horizontalAlignment = SWT.FILL;
166 gridData.verticalAlignment = SWT.FILL;
167 gridData.horizontalSpan = 2;
168 viewer.getControl().setLayoutData(gridData);
169
170
174 patternFilter = new PatternFilter();
175 viewer.addFilter(patternFilter);
176 createRefreshJob();
177 }
178
179
182 protected void clearText() {
183 setFilterText("");
185 if (preferenceFilter != null) {
186 getViewer().removeFilter(preferenceFilter);
187 preferenceFilter = null;
188 getShell().setText(cachedTitle);
189 }
190
191 textChanged();
192 }
193
194
199 private void createClearText(ToolBarManager filterToolBar) {
200
201 IAction clearTextAction = new Action("", IAction.AS_PUSH_BUTTON) {
207 public void run() {
208 clearText();
209 }
210 };
211
212 clearTextAction
213 .setToolTipText(WorkbenchMessages.FilteredTree_ClearToolTip);
214 clearTextAction.setImageDescriptor(JFaceResources.getImageRegistry()
215 .getDescriptor(CLEAR_ICON));
216 clearTextAction.setDisabledImageDescriptor(JFaceResources
217 .getImageRegistry().getDescriptor(DCLEAR_ICON));
218
219 filterToolBar.add(clearTextAction);
220 }
221
222
229 public void createFilterControl(final Composite parent) {
230 filterText = new Text(parent, SWT.DROP_DOWN | SWT.BORDER);
231 filterText.setFont(parent.getFont());
232 searchHistory = getPreferenceSearchHistory();
233
234 final Shell shell = new Shell(parent.getShell(), SWT.NO_TRIM);
235 shell
236 .setBackground(parent.getDisplay().getSystemColor(
237 SWT.COLOR_WHITE));
238 GridLayout shellGL = new GridLayout();
239 shellGL.marginHeight = 0;
240 shellGL.marginWidth = 0;
241 shell.setLayout(shellGL);
242 shell.setLayoutData(new GridData(
243 (GridData.FILL_BOTH | GridData.GRAB_HORIZONTAL)));
244
245 final Table currentSeachTable = new Table(shell, SWT.SINGLE
246 | SWT.BORDER);
247 currentSeachTable.setLayoutData(new GridData(
248 (GridData.FILL_BOTH | GridData.GRAB_HORIZONTAL)));
249
250 filterText.addTraverseListener(new TraverseListener() {
251 public void keyTraversed(TraverseEvent e) {
252 if (e.detail == SWT.TRAVERSE_RETURN) {
253 e.doit = false;
254 shell.setVisible(false);
255 if (getViewer().getTableTree().getItemCount() == 0) {
256 Display.getCurrent().beep();
257 setFilterText(""); } else {
259 getViewer().getTableTree().setFocus();
260 }
261 }
262 }
263 });
264
265 filterText.addKeyListener(new KeyAdapter() {
266
271 public void keyReleased(KeyEvent e) {
272
273 if (e.keyCode == SWT.ARROW_DOWN) {
274 if (currentSeachTable.isVisible()) {
275 if (currentSeachTable.getSelectionCount() < 1)
277 currentSeachTable.setSelection(0);
278 currentSeachTable.setFocus();
279 } else
280 getViewer().getTableTree().setFocus();
282 } else {
283 if (e.character == SWT.CR)
284 return;
285
286 textChanged();
287 List result = new ArrayList ();
288 result = reduceSearch(searchHistory, filterText.getText());
289 updateTable(currentSeachTable, result);
290
291 if (currentSeachTable.getItemCount() > 0) {
292 Rectangle textBounds = filterText.getBounds();
293 Point point = getDisplay().map(parent, null,
294 textBounds.x, textBounds.y);
295 int space = currentSeachTable.getItemHeight();
296 shell.setBounds(point.x, point.y + textBounds.height,
297 textBounds.width, currentSeachTable
298 .getItemHeight()
299 * currentSeachTable.getItemCount()
300 + space);
301
302 if (shell.isDisposed())
303 shell.open();
304
305 if (!shell.getVisible()) {
306 shell.setVisible(true);
307 filterText.setFocus();
308 }
309
310 } else
311 shell.setVisible(false);
312 }
313
314 }
315 });
316
317 parent.getDisplay().addFilter(SWT.MouseDown, new Listener() {
318
323 public void handleEvent(Event event) {
324 if (!shell.isDisposed())
325 shell.setVisible(false);
326 }
327 });
328
329 getShell().addControlListener(new ControlAdapter() {
330
335 public void controlMoved(ControlEvent e) {
336 shell.setVisible(false);
337 }
338 });
339
340 currentSeachTable.addSelectionListener(new SelectionAdapter() {
341 public void widgetDefaultSelected(SelectionEvent e) {
342 shell.setVisible(false);
343 }
344
345
350 public void widgetSelected(SelectionEvent e) {
351
352 setFilterText(currentSeachTable.getSelection()[0].getText());
353 textChanged();
354 }
355 });
356
357 filterText.addDisposeListener(new DisposeListener() {
358
363 public void widgetDisposed(DisposeEvent e) {
364 saveDialogSettings();
365 }
366 });
367
368 filterText.getAccessible().addAccessibleListener(
369 getAccessibleListener());
370
371 }
372
373
377 private void createRefreshJob() {
378 refreshJob = new WorkbenchJob("Refresh Filter") {
384 public IStatus runInUIThread(IProgressMonitor monitor) {
385 if (getViewer().getControl().isDisposed())
386 return Status.CANCEL_STATUS;
387
388 String filterText = getFilterText();
389 boolean initial = initialText != null
390 && filterText.equals(initialText);
391 if (initial) {
392 patternFilter.setPattern(null);
393 } else {
394 patternFilter.setPattern(getFilterText());
395 }
396 getViewer().getControl().setRedraw(false);
397 getViewer().refresh(true);
398 getViewer().getControl().setRedraw(true);
399
400 if (filterText.length() > 0 && !initial) {
401 getViewer().expandAll();
402 filterToolBar.getControl().setVisible(true);
405 } else {
406 filterToolBar.getControl().setVisible(
409 preferenceFilter != null);
410 }
411 return Status.OK_STATUS;
412 }
413
414 };
415 refreshJob.setSystem(true);
416 }
417
418 protected AccessibleAdapter getAccessibleListener() {
419 return new AccessibleAdapter() {
420
425 public void getName(AccessibleEvent e) {
426 String filterTextString = getFilterText();
427 if (filterTextString.length() == 0) {
428 e.result = initialText;
429 } else
430 e.result = filterTextString;
431 }
432
433 };
434 }
435
436
441 private final IDialogSettings getDialogSettings() {
442 final IDialogSettings settings = WorkbenchPlugin.getDefault()
443 .getDialogSettings();
444 IDialogSettings thisSettings = settings
445 .getSection(getClass().getName());
446 if (thisSettings == null)
447 thisSettings = settings.addNewSection(getClass().getName());
448
449 return thisSettings;
450 }
451
452
457 public Text getFilterControl() {
458 return filterText;
459 }
460
461
466 protected String getFilterText() {
467 return filterText.getText();
468 }
469
470
476 public final List getPreferenceSearchHistory() {
477 final List searchList = new ArrayList ();
478 final IDialogSettings settings = getDialogSettings();
479 final String [] search = settings.getArray(SEARCHHISTORY);
481 if (search != null) {
482 for (int i = 0; i < search.length; i++)
483 searchList.add(search[i]);
484 }
485
486 return searchList;
487 }
488
489
494 public final TableTreeViewer getViewer() {
495 return viewer;
496 }
497
498 private void listToArray(List list, String [] string) {
499 int size = list.size();
500 for (int i = 0; i < size; i++)
501 string[i] = (String ) list.get(i);
502 }
503
504
514 public List reduceSearch(List list, String wordsEntered) {
515 List result = new ArrayList ();
516 if (list == null)
517 return result;
518 for (int i = 0; i < list.size(); i++) {
519 if (filterText.getText() == "") return result;
521 else if (((String ) list.get(i)).startsWith(wordsEntered))
522 result.add(list.get(i));
523 }
524
525 return result;
526 }
527
528
531 private void saveDialogSettings() {
532 IDialogSettings settings = getDialogSettings();
533
534 String [] result = new String [searchHistory.size()];
537 listToArray(searchHistory, result);
538 settings.put(SEARCHHISTORY, result);
539 }
540
541 protected void selectAll() {
542 filterText.selectAll();
543 }
544
545
550 protected void setFilterText(String string) {
551 filterText.setText(string);
552 selectAll();
553 }
554
555
558 protected void textChanged() {
559 refreshJob.schedule(200);
560 }
561
562
568 public void updateTable(Table table, List list) {
569 table.removeAll();
570 if (list.size() > 0) {
571 TableItem newItem;
572 for (int i = 0; i < list.size(); i++) {
573 newItem = new TableItem(table, SWT.NULL, i);
574 newItem.setText((String ) list.get(i));
575
576 }
577 }
578
579 }
580 }
581 |
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