Commit | Line | Data |
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9ccc6d01 | 1 | /******************************************************************************* |
c8422608 | 2 | * Copyright (c) 2010, 2013 Ericsson |
3934297e | 3 | * |
9ccc6d01 FC |
4 | * All rights reserved. This program and the accompanying materials are |
5 | * made available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
3934297e | 8 | * |
9ccc6d01 FC |
9 | * Contributors: |
10 | * Matthew Khouzam - Initial API and implementation | |
3934297e | 11 | * Francois Chouinard - Refactoring, slider support, bug fixing |
b21305c2 | 12 | * Patrick Tasse - Improvements and bug fixing |
7cc11afa | 13 | * Xavier Raynaud - Improvements |
9ccc6d01 FC |
14 | ******************************************************************************/ |
15 | ||
2bdf0193 | 16 | package org.eclipse.tracecompass.tmf.ui.widgets.virtualtable; |
9ccc6d01 FC |
17 | |
18 | import org.eclipse.swt.SWT; | |
3f43dc48 | 19 | import org.eclipse.swt.SWTException; |
b21305c2 | 20 | import org.eclipse.swt.custom.TableEditor; |
9ccc6d01 FC |
21 | import org.eclipse.swt.events.ControlAdapter; |
22 | import org.eclipse.swt.events.ControlEvent; | |
3f43dc48 | 23 | import org.eclipse.swt.events.KeyAdapter; |
9ccc6d01 FC |
24 | import org.eclipse.swt.events.KeyEvent; |
25 | import org.eclipse.swt.events.KeyListener; | |
3f43dc48 | 26 | import org.eclipse.swt.events.MouseAdapter; |
9ccc6d01 | 27 | import org.eclipse.swt.events.MouseEvent; |
b21305c2 | 28 | import org.eclipse.swt.events.MouseListener; |
9ccc6d01 | 29 | import org.eclipse.swt.events.MouseWheelListener; |
dd03e2f1 PT |
30 | import org.eclipse.swt.events.PaintEvent; |
31 | import org.eclipse.swt.events.PaintListener; | |
9ccc6d01 FC |
32 | import org.eclipse.swt.events.SelectionAdapter; |
33 | import org.eclipse.swt.events.SelectionEvent; | |
b21305c2 FC |
34 | import org.eclipse.swt.events.SelectionListener; |
35 | import org.eclipse.swt.graphics.Point; | |
7800a42f XR |
36 | import org.eclipse.swt.graphics.Rectangle; |
37 | import org.eclipse.swt.layout.FillLayout; | |
9ccc6d01 FC |
38 | import org.eclipse.swt.layout.GridData; |
39 | import org.eclipse.swt.layout.GridLayout; | |
40 | import org.eclipse.swt.widgets.Composite; | |
b21305c2 | 41 | import org.eclipse.swt.widgets.Control; |
9ccc6d01 | 42 | import org.eclipse.swt.widgets.Event; |
7800a42f | 43 | import org.eclipse.swt.widgets.Label; |
9ccc6d01 | 44 | import org.eclipse.swt.widgets.Listener; |
b21305c2 | 45 | import org.eclipse.swt.widgets.Menu; |
7800a42f | 46 | import org.eclipse.swt.widgets.Shell; |
9ccc6d01 FC |
47 | import org.eclipse.swt.widgets.Slider; |
48 | import org.eclipse.swt.widgets.Table; | |
49 | import org.eclipse.swt.widgets.TableColumn; | |
50 | import org.eclipse.swt.widgets.TableItem; | |
2bdf0193 | 51 | import org.eclipse.tracecompass.internal.tmf.ui.Activator; |
7800a42f | 52 | import org.eclipse.ui.PlatformUI; |
9ccc6d01 FC |
53 | |
54 | /** | |
55 | * <b><u>TmfVirtualTable</u></b> | |
56 | * <p> | |
57 | * TmfVirtualTable allows for the tabular display of arbitrarily large data sets | |
58 | * (well, up to Integer.MAX_VALUE or ~2G rows). | |
3934297e | 59 | * |
9ccc6d01 FC |
60 | * It is essentially a Composite of Table and Slider, where the number of rows |
61 | * in the table is set to fill the table display area. The slider is rank-based. | |
3934297e | 62 | * |
9ccc6d01 FC |
63 | * It differs from Table with the VIRTUAL style flag where an empty entry is |
64 | * created for each virtual row. This does not scale well for very large data sets. | |
3934297e | 65 | * |
b21305c2 | 66 | * Styles: |
3f43dc48 | 67 | * H_SCROLL, V_SCROLL, SINGLE, MULTI, CHECK, FULL_SELECTION, HIDE_SELECTION, NO_SCROLL |
02023181 | 68 | * @author Matthew Khouzam, Francois Chouinard, Patrick Tasse, Xavier Raynaud |
3934297e | 69 | * @version $Revision: 1.0 |
9ccc6d01 FC |
70 | */ |
71 | public class TmfVirtualTable extends Composite { | |
72 | ||
631d853f PT |
73 | // The table |
74 | private Table fTable; | |
75 | private int fTableRows = 0; // Number of table rows | |
76 | private int fFullyVisibleRows = 0; // Number of fully visible table rows | |
77 | private int fFrozenRowCount = 0; // Number of frozen table rows at top of table | |
78 | ||
79 | private int fTableTopEventRank = 0; // Global rank of the first entry displayed | |
3f43dc48 PT |
80 | private int fSelectedEventRank = -1; // Global rank of the selected event |
81 | private int fSelectedBeginRank = -1; // Global rank of the selected begin event | |
631d853f PT |
82 | private boolean fPendingSelection = false; // Pending selection update |
83 | ||
dadf6e1a | 84 | private int fTableItemCount = 0; |
631d853f PT |
85 | |
86 | // The slider | |
87 | private Slider fSlider; | |
88 | ||
89 | private int fLinuxItemHeight = 0; // Calculated item height for Linux workaround | |
90 | private TooltipProvider tooltipProvider = null; | |
91 | private IDoubleClickListener doubleClickListener = null; | |
92 | ||
b06f64b7 PT |
93 | private boolean fResetTopIndex = false; // Flag to trigger reset of top index |
94 | private ControlAdapter fResizeListener; // Resize listener to update visible rows | |
c9787691 | 95 | |
631d853f PT |
96 | // ------------------------------------------------------------------------ |
97 | // Constructor | |
98 | // ------------------------------------------------------------------------ | |
99 | ||
100 | /** | |
3934297e AM |
101 | * Standard constructor |
102 | * | |
631d853f | 103 | * @param parent |
3934297e | 104 | * The parent composite object |
631d853f | 105 | * @param style |
3934297e | 106 | * The style to use |
631d853f PT |
107 | */ |
108 | public TmfVirtualTable(Composite parent, int style) { | |
3f43dc48 | 109 | super(parent, style & (~SWT.H_SCROLL) & (~SWT.V_SCROLL) & (~SWT.SINGLE) & (~SWT.MULTI) & (~SWT.FULL_SELECTION) & (~SWT.HIDE_SELECTION) & (~SWT.CHECK)); |
631d853f PT |
110 | |
111 | // Create the controls | |
3f43dc48 | 112 | createTable(style & (SWT.H_SCROLL | SWT.SINGLE | SWT.MULTI | SWT.FULL_SELECTION | SWT.HIDE_SELECTION | SWT.CHECK)); |
631d853f PT |
113 | createSlider(style & SWT.V_SCROLL); |
114 | ||
115 | // Prevent the slider from being traversed | |
116 | setTabList(new Control[] { fTable }); | |
117 | ||
118 | // Set the layout | |
119 | GridLayout gridLayout = new GridLayout(); | |
120 | gridLayout.numColumns = 2; | |
121 | gridLayout.horizontalSpacing = 0; | |
122 | gridLayout.verticalSpacing = 0; | |
123 | gridLayout.marginWidth = 0; | |
124 | gridLayout.marginHeight = 0; | |
125 | setLayout(gridLayout); | |
126 | ||
127 | GridData tableGridData = new GridData(SWT.FILL, SWT.FILL, true, true); | |
128 | fTable.setLayoutData(tableGridData); | |
129 | ||
130 | GridData sliderGridData = new GridData(SWT.FILL, SWT.FILL, false, true); | |
131 | fSlider.setLayoutData(sliderGridData); | |
132 | ||
133 | // Add the listeners | |
134 | fTable.addMouseWheelListener(new MouseWheelListener() { | |
135 | @Override | |
136 | public void mouseScrolled(MouseEvent event) { | |
137 | if (fTableItemCount <= fFullyVisibleRows) { | |
138 | return; | |
139 | } | |
140 | fTableTopEventRank -= event.count; | |
141 | if (fTableTopEventRank < 0) { | |
142 | fTableTopEventRank = 0; | |
143 | } | |
144 | int latestFirstRowOffset = fTableItemCount - fFullyVisibleRows; | |
145 | if (fTableTopEventRank > latestFirstRowOffset) { | |
146 | fTableTopEventRank = latestFirstRowOffset; | |
147 | } | |
148 | ||
149 | fSlider.setSelection(fTableTopEventRank); | |
150 | refreshTable(); | |
151 | } | |
152 | }); | |
153 | ||
154 | fTable.addListener(SWT.MouseWheel, new Listener() { | |
155 | // disable mouse scroll of horizontal scroll bar | |
156 | @Override | |
b21305c2 | 157 | public void handleEvent(Event event) { |
631d853f PT |
158 | event.doit = false; |
159 | } | |
160 | }); | |
161 | ||
b06f64b7 | 162 | fResizeListener = new ControlAdapter() { |
631d853f PT |
163 | @Override |
164 | public void controlResized(ControlEvent event) { | |
165 | int tableHeight = Math.max(0, fTable.getClientArea().height - fTable.getHeaderHeight()); | |
166 | fFullyVisibleRows = tableHeight / getItemHeight(); | |
167 | if (fTableItemCount > 0) { | |
168 | fSlider.setThumb(Math.max(1, Math.min(fTableRows, fFullyVisibleRows))); | |
169 | } | |
170 | } | |
b06f64b7 PT |
171 | }; |
172 | fTable.addControlListener(fResizeListener); | |
173 | ||
631d853f PT |
174 | // Implement a "fake" tooltip |
175 | final String TOOLTIP_DATA_KEY = "_TABLEITEM"; //$NON-NLS-1$ | |
dadf6e1a | 176 | final Listener labelListener = new Listener() { |
631d853f | 177 | @Override |
f4c52cea | 178 | public void handleEvent (Event event) { |
dadf6e1a EB |
179 | Label label = (Label) event.widget; |
180 | Shell shell = label.getShell(); | |
631d853f PT |
181 | switch (event.type) { |
182 | case SWT.MouseDown: | |
dadf6e1a EB |
183 | Event e = new Event(); |
184 | e.item = (TableItem) label.getData(TOOLTIP_DATA_KEY); | |
631d853f PT |
185 | // Assuming table is single select, set the selection as if |
186 | // the mouse down event went through to the table | |
dadf6e1a EB |
187 | fTable.setSelection(new TableItem [] {(TableItem) e.item}); |
188 | fTable.notifyListeners(SWT.Selection, e); | |
189 | shell.dispose(); | |
631d853f PT |
190 | fTable.setFocus(); |
191 | break; | |
192 | case SWT.MouseExit: | |
193 | case SWT.MouseWheel: | |
dadf6e1a | 194 | shell.dispose(); |
631d853f | 195 | break; |
abbdd66a AM |
196 | default: |
197 | break; | |
631d853f PT |
198 | } |
199 | } | |
200 | }; | |
201 | ||
dadf6e1a | 202 | Listener tableListener = new Listener() { |
631d853f PT |
203 | Shell tip = null; |
204 | Label label = null; | |
205 | @Override | |
dadf6e1a | 206 | public void handleEvent(Event event) { |
631d853f PT |
207 | switch (event.type) { |
208 | case SWT.Dispose: | |
209 | case SWT.KeyDown: | |
210 | case SWT.MouseMove: { | |
420bceb2 PT |
211 | if (tip == null) { |
212 | break; | |
213 | } | |
dadf6e1a | 214 | tip.dispose(); |
631d853f PT |
215 | tip = null; |
216 | label = null; | |
217 | break; | |
218 | } | |
219 | case SWT.MouseHover: { | |
dadf6e1a | 220 | TableItem item = fTable.getItem(new Point(event.x, event.y)); |
631d853f | 221 | if (item != null) { |
dadf6e1a | 222 | for (int i = 0; i < fTable.getColumnCount(); i++) { |
631d853f | 223 | Rectangle bounds = item.getBounds(i); |
dadf6e1a | 224 | if (bounds.contains(event.x, event.y)) { |
420bceb2 PT |
225 | if (tip != null && !tip.isDisposed()) { |
226 | tip.dispose(); | |
227 | } | |
631d853f PT |
228 | if (tooltipProvider == null) { |
229 | return; | |
631d853f | 230 | } |
abbdd66a AM |
231 | String tooltipText = tooltipProvider.getTooltip(i, item.getData()); |
232 | if (tooltipText == null) { | |
233 | return; | |
234 | } | |
235 | tip = new Shell(fTable.getShell(), SWT.ON_TOP | SWT.NO_FOCUS | SWT.TOOL); | |
236 | tip.setBackground(PlatformUI.getWorkbench().getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND)); | |
237 | FillLayout layout = new FillLayout(); | |
238 | layout.marginWidth = 2; | |
239 | tip.setLayout(layout); | |
240 | label = new Label(tip, SWT.WRAP); | |
241 | label.setForeground(PlatformUI.getWorkbench().getDisplay().getSystemColor(SWT.COLOR_INFO_FOREGROUND)); | |
242 | label.setBackground(PlatformUI.getWorkbench().getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND)); | |
243 | label.setData(TOOLTIP_DATA_KEY, item); | |
244 | label.setText(tooltipText); | |
245 | ||
246 | label.addListener(SWT.MouseExit, labelListener); | |
247 | label.addListener(SWT.MouseDown, labelListener); | |
248 | label.addListener(SWT.MouseWheel, labelListener); | |
249 | Point size = tip.computeSize(SWT.DEFAULT, SWT.DEFAULT); | |
250 | Point pt = fTable.toDisplay(bounds.x, bounds.y); | |
251 | tip.setBounds(pt.x, pt.y, size.x, size.y); | |
252 | tip.setVisible(true); | |
dadf6e1a EB |
253 | |
254 | // Item found, leave loop. | |
255 | break; | |
631d853f PT |
256 | } |
257 | } | |
258 | } | |
abbdd66a | 259 | break; |
631d853f | 260 | } |
abbdd66a AM |
261 | default: |
262 | break; | |
631d853f PT |
263 | } |
264 | } | |
265 | }; | |
266 | fTable.addListener(SWT.Dispose, tableListener); | |
267 | fTable.addListener(SWT.KeyDown, tableListener); | |
268 | fTable.addListener(SWT.MouseMove, tableListener); | |
269 | fTable.addListener(SWT.MouseHover, tableListener); | |
270 | addControlListener(new ControlAdapter() { | |
271 | @Override | |
272 | public void controlResized(ControlEvent event) { | |
273 | resize(); | |
420bceb2 PT |
274 | if (fTableItemCount > 0) { |
275 | fSlider.setThumb(Math.max(1, Math.min(fTableRows, fFullyVisibleRows))); | |
276 | } | |
631d853f PT |
277 | } |
278 | }); | |
279 | ||
280 | // And display | |
281 | refresh(); | |
282 | } | |
283 | ||
284 | // ------------------------------------------------------------------------ | |
285 | // Table handling | |
286 | // ------------------------------------------------------------------------ | |
287 | ||
288 | /** | |
289 | * Create the table and add listeners | |
3f43dc48 | 290 | * @param style int can be H_SCROLL, SINGLE, MULTI, FULL_SELECTION, HIDE_SELECTION, CHECK |
631d853f PT |
291 | */ |
292 | private void createTable(int style) { | |
293 | fTable = new Table(this, style | SWT.NO_SCROLL); | |
294 | ||
295 | fTable.addSelectionListener(new SelectionAdapter() { | |
296 | @Override | |
297 | public void widgetSelected(SelectionEvent event) { | |
3f43dc48 PT |
298 | if (event.item == null) { |
299 | // Override table selection from Select All action | |
300 | refreshSelection(); | |
631d853f PT |
301 | } |
302 | } | |
303 | }); | |
9ccc6d01 | 304 | |
3f43dc48 | 305 | fTable.addMouseListener(new MouseAdapter() { |
631d853f | 306 | @Override |
3f43dc48 PT |
307 | public void mouseDown(MouseEvent e) { |
308 | handleTableMouseEvent(e); | |
631d853f | 309 | } |
3f43dc48 PT |
310 | }); |
311 | ||
312 | fTable.addKeyListener(new KeyAdapter() { | |
631d853f | 313 | @Override |
3f43dc48 PT |
314 | public void keyPressed(KeyEvent event) { |
315 | handleTableKeyEvent(event); | |
631d853f PT |
316 | } |
317 | }); | |
7800a42f XR |
318 | |
319 | fTable.addListener( | |
631d853f PT |
320 | SWT.MouseDoubleClick, new Listener() { |
321 | @Override | |
322 | public void handleEvent(Event event) { | |
323 | if (doubleClickListener != null) { | |
dadf6e1a | 324 | TableItem item = fTable.getItem(new Point (event.x, event.y)); |
631d853f | 325 | if (item != null) { |
dadf6e1a | 326 | for (int i = 0; i < fTable.getColumnCount(); i++){ |
631d853f | 327 | Rectangle bounds = item.getBounds(i); |
dadf6e1a | 328 | if (bounds.contains(event.x, event.y)){ |
631d853f PT |
329 | doubleClickListener.handleDoubleClick(TmfVirtualTable.this, item, i); |
330 | break; | |
331 | } | |
332 | } | |
333 | } | |
334 | } | |
335 | } | |
336 | } | |
337 | ); | |
dd03e2f1 PT |
338 | |
339 | /* | |
c9787691 PT |
340 | * Feature in Windows. When a partially visible table item is selected, |
341 | * after ~500 ms the top index is changed to ensure the selected item is | |
342 | * fully visible. This leaves a blank space at the bottom of the virtual | |
343 | * table. The workaround is to reset the top index to 0 if it is not 0. | |
344 | * Also reset the top index to 0 if indicated by the flag that was set | |
345 | * at table selection of a partially visible table item. | |
dd03e2f1 PT |
346 | */ |
347 | fTable.addPaintListener(new PaintListener() { | |
348 | @Override | |
349 | public void paintControl(PaintEvent e) { | |
c9787691 PT |
350 | if (fTable.getTopIndex() != 0 || fResetTopIndex) { |
351 | fTable.setTopIndex(0); | |
352 | } | |
353 | fResetTopIndex = false; | |
dd03e2f1 PT |
354 | } |
355 | }); | |
631d853f PT |
356 | } |
357 | ||
358 | /** | |
3f43dc48 PT |
359 | * Handle mouse-based selection in table. |
360 | * | |
361 | * @param event the mouse event | |
631d853f | 362 | */ |
3f43dc48 PT |
363 | private void handleTableMouseEvent(MouseEvent event) { |
364 | TableItem item = fTable.getItem(new Point(event.x, event.y)); | |
365 | if (item == null) { | |
366 | return; | |
367 | } | |
368 | int selectedRow = indexOf(item); | |
90328647 PT |
369 | if (event.button == 1 || (event.button == 3 && |
370 | (selectedRow < Math.min(fSelectedBeginRank, fSelectedEventRank) || | |
371 | selectedRow > Math.max(fSelectedBeginRank, fSelectedEventRank)))) { | |
3f43dc48 PT |
372 | if (selectedRow >= 0) { |
373 | fSelectedEventRank = selectedRow; | |
374 | } else { | |
375 | fSelectedEventRank = -1; | |
376 | } | |
377 | if ((event.stateMask & SWT.SHIFT) == 0 || (fTable.getStyle() & SWT.MULTI) == 0 || fSelectedBeginRank == -1) { | |
378 | fSelectedBeginRank = fSelectedEventRank; | |
379 | } | |
631d853f | 380 | } |
3f43dc48 | 381 | refreshSelection(); |
c9787691 PT |
382 | |
383 | /* | |
384 | * Feature in Linux. When a partially visible table item is selected, | |
385 | * the origin is changed to ensure the selected item is fully visible. | |
386 | * This makes the first row partially visible. The solution is to force | |
387 | * reset the origin by setting the top index to 0. This should happen | |
388 | * only once at the next redraw by the paint listener. | |
389 | */ | |
390 | if (selectedRow >= fFullyVisibleRows) { | |
391 | fResetTopIndex = true; | |
392 | } | |
631d853f PT |
393 | } |
394 | ||
395 | /** | |
396 | * Handle key-based navigation in table. | |
3934297e | 397 | * |
3f43dc48 | 398 | * @param event the key event |
631d853f PT |
399 | */ |
400 | private void handleTableKeyEvent(KeyEvent event) { | |
401 | ||
402 | int lastEventRank = fTableItemCount - 1; | |
403 | int lastPageTopEntryRank = Math.max(0, fTableItemCount - fFullyVisibleRows); | |
404 | ||
405 | int previousSelectedEventRank = fSelectedEventRank; | |
3f43dc48 | 406 | int previousSelectedBeginRank = fSelectedBeginRank; |
631d853f PT |
407 | boolean needsRefresh = false; |
408 | ||
409 | // In all case, perform the following steps: | |
410 | // - Update the selected entry rank (within valid range) | |
411 | // - Update the selected row | |
412 | // - Update the page's top entry if necessary (which also adjusts the selected row) | |
413 | // - If the top displayed entry was changed, table refresh is needed | |
414 | switch (event.keyCode) { | |
415 | ||
416 | case SWT.ARROW_DOWN: { | |
417 | event.doit = false; | |
418 | if (fSelectedEventRank < lastEventRank) { | |
419 | fSelectedEventRank++; | |
3f43dc48 | 420 | int selectedRow = fSelectedEventRank - fTableTopEventRank; |
75c271cf | 421 | if (selectedRow == fFullyVisibleRows) { |
631d853f PT |
422 | fTableTopEventRank++; |
423 | needsRefresh = true; | |
75c271cf PT |
424 | } else if (selectedRow < fFrozenRowCount || selectedRow > fFullyVisibleRows) { |
425 | fTableTopEventRank = Math.max(0, Math.min(fSelectedEventRank - fFrozenRowCount, lastPageTopEntryRank)); | |
426 | needsRefresh = true; | |
631d853f PT |
427 | } |
428 | } | |
429 | break; | |
430 | } | |
431 | ||
432 | case SWT.ARROW_UP: { | |
433 | event.doit = false; | |
434 | if (fSelectedEventRank > 0) { | |
435 | fSelectedEventRank--; | |
3f43dc48 | 436 | int selectedRow = fSelectedEventRank - fTableTopEventRank; |
75c271cf | 437 | if (selectedRow == fFrozenRowCount - 1 && fTableTopEventRank > 0) { |
631d853f PT |
438 | fTableTopEventRank--; |
439 | needsRefresh = true; | |
75c271cf PT |
440 | } else if (selectedRow < fFrozenRowCount || selectedRow > fFullyVisibleRows) { |
441 | fTableTopEventRank = Math.max(0, Math.min(fSelectedEventRank - fFrozenRowCount, lastPageTopEntryRank)); | |
442 | needsRefresh = true; | |
631d853f PT |
443 | } |
444 | } | |
445 | break; | |
446 | } | |
447 | ||
448 | case SWT.END: { | |
449 | event.doit = false; | |
450 | fTableTopEventRank = lastPageTopEntryRank; | |
451 | fSelectedEventRank = lastEventRank; | |
452 | needsRefresh = true; | |
453 | break; | |
454 | } | |
455 | ||
456 | case SWT.HOME: { | |
457 | event.doit = false; | |
458 | fSelectedEventRank = fFrozenRowCount; | |
459 | fTableTopEventRank = 0; | |
460 | needsRefresh = true; | |
461 | break; | |
462 | } | |
463 | ||
464 | case SWT.PAGE_DOWN: { | |
465 | event.doit = false; | |
466 | if (fSelectedEventRank < lastEventRank) { | |
467 | fSelectedEventRank += fFullyVisibleRows; | |
468 | if (fSelectedEventRank > lastEventRank) { | |
469 | fSelectedEventRank = lastEventRank; | |
470 | } | |
3f43dc48 | 471 | int selectedRow = fSelectedEventRank - fTableTopEventRank; |
75c271cf | 472 | if (selectedRow > fFullyVisibleRows + fFrozenRowCount - 1 && selectedRow < 2 * fFullyVisibleRows) { |
631d853f PT |
473 | fTableTopEventRank += fFullyVisibleRows; |
474 | if (fTableTopEventRank > lastPageTopEntryRank) { | |
475 | fTableTopEventRank = lastPageTopEntryRank; | |
476 | } | |
477 | needsRefresh = true; | |
75c271cf PT |
478 | } else if (selectedRow < fFrozenRowCount || selectedRow >= 2 * fFullyVisibleRows) { |
479 | fTableTopEventRank = Math.max(0, Math.min(fSelectedEventRank - fFrozenRowCount, lastPageTopEntryRank)); | |
480 | needsRefresh = true; | |
631d853f PT |
481 | } |
482 | } | |
483 | break; | |
484 | } | |
485 | ||
486 | case SWT.PAGE_UP: { | |
487 | event.doit = false; | |
488 | if (fSelectedEventRank > 0) { | |
489 | fSelectedEventRank -= fFullyVisibleRows; | |
490 | if (fSelectedEventRank < fFrozenRowCount) { | |
491 | fSelectedEventRank = fFrozenRowCount; | |
492 | } | |
3f43dc48 | 493 | int selectedRow = fSelectedEventRank - fTableTopEventRank; |
75c271cf | 494 | if (selectedRow < fFrozenRowCount && selectedRow > -fFullyVisibleRows) { |
631d853f PT |
495 | fTableTopEventRank -= fFullyVisibleRows; |
496 | if (fTableTopEventRank < 0) { | |
497 | fTableTopEventRank = 0; | |
498 | } | |
499 | needsRefresh = true; | |
75c271cf PT |
500 | } else if (selectedRow <= -fFullyVisibleRows || selectedRow >= fFullyVisibleRows) { |
501 | fTableTopEventRank = Math.max(0, Math.min(fSelectedEventRank - fFrozenRowCount, lastPageTopEntryRank)); | |
502 | needsRefresh = true; | |
631d853f PT |
503 | } |
504 | } | |
505 | break; | |
506 | } | |
507 | default: { | |
508 | return; | |
509 | } | |
510 | } | |
511 | ||
3f43dc48 PT |
512 | if ((event.stateMask & SWT.SHIFT) == 0 || (fTable.getStyle() & SWT.MULTI) == 0 || fSelectedBeginRank == -1) { |
513 | fSelectedBeginRank = fSelectedEventRank; | |
514 | } | |
515 | ||
631d853f PT |
516 | boolean done = true; |
517 | if (needsRefresh) { | |
518 | done = refreshTable(); // false if table items not updated yet in this thread | |
519 | } else { | |
3f43dc48 | 520 | refreshSelection(); |
631d853f PT |
521 | } |
522 | ||
523 | if (fFullyVisibleRows < fTableItemCount) { | |
524 | fSlider.setSelection(fTableTopEventRank); | |
525 | } | |
526 | ||
3f43dc48 | 527 | if (fSelectedEventRank != previousSelectedEventRank || fSelectedBeginRank != previousSelectedBeginRank) { |
631d853f PT |
528 | if (done) { |
529 | Event e = new Event(); | |
3f43dc48 | 530 | e.item = fTable.getItem(fSelectedEventRank - fTableTopEventRank); |
631d853f PT |
531 | fTable.notifyListeners(SWT.Selection, e); |
532 | } else { | |
533 | fPendingSelection = true; | |
534 | } | |
535 | } | |
536 | } | |
537 | ||
02023181 MK |
538 | /** |
539 | * Method setDataItem. | |
540 | * @param index int | |
541 | * @param item TableItem | |
542 | * @return boolean | |
543 | */ | |
631d853f PT |
544 | private boolean setDataItem(int index, TableItem item) { |
545 | if (index != -1) { | |
546 | Event event = new Event(); | |
547 | event.item = item; | |
548 | if (index < fFrozenRowCount) { | |
549 | event.index = index; | |
550 | } else { | |
551 | event.index = index + fTableTopEventRank; | |
552 | } | |
553 | event.doit = true; | |
554 | fTable.notifyListeners(SWT.SetData, event); | |
555 | return event.doit; // false if table item not updated yet in this thread | |
556 | } | |
557 | return true; | |
558 | } | |
559 | ||
560 | // ------------------------------------------------------------------------ | |
561 | // Slider handling | |
562 | // ------------------------------------------------------------------------ | |
563 | ||
02023181 MK |
564 | /** |
565 | * Method createSlider. | |
566 | * @param style int | |
567 | */ | |
631d853f PT |
568 | private void createSlider(int style) { |
569 | fSlider = new Slider(this, SWT.VERTICAL | SWT.NO_FOCUS); | |
570 | fSlider.setMinimum(0); | |
571 | fSlider.setMaximum(0); | |
572 | if ((style & SWT.V_SCROLL) == 0) { | |
573 | fSlider.setVisible(false); | |
574 | } | |
575 | ||
576 | fSlider.addListener(SWT.Selection, new Listener() { | |
577 | @Override | |
578 | public void handleEvent(Event event) { | |
579 | switch (event.detail) { | |
580 | case SWT.ARROW_DOWN: | |
581 | case SWT.ARROW_UP: | |
631d853f PT |
582 | case SWT.END: |
583 | case SWT.HOME: | |
584 | case SWT.PAGE_DOWN: | |
585 | case SWT.PAGE_UP: { | |
586 | fTableTopEventRank = fSlider.getSelection(); | |
587 | refreshTable(); | |
588 | break; | |
589 | } | |
874af45a PT |
590 | // Not handled because of bug on Linux described below. |
591 | case SWT.NONE: | |
abbdd66a AM |
592 | default: |
593 | break; | |
631d853f PT |
594 | } |
595 | } | |
596 | }); | |
874af45a PT |
597 | |
598 | /* | |
599 | * In Linux, the selection event above has event.detail set to SWT.NONE | |
600 | * instead of SWT.DRAG during dragging of the thumb. To prevent refresh | |
601 | * overflow, only update the table when the mouse button is released. | |
602 | */ | |
603 | fSlider.addMouseListener(new MouseAdapter() { | |
604 | @Override | |
605 | public void mouseUp(MouseEvent e) { | |
606 | fTableTopEventRank = fSlider.getSelection(); | |
607 | refreshTable(); | |
608 | } | |
609 | }); | |
610 | ||
631d853f PT |
611 | } |
612 | ||
613 | // ------------------------------------------------------------------------ | |
614 | // Simulated Table API | |
615 | // ------------------------------------------------------------------------ | |
616 | ||
2fcd5eea AM |
617 | /** |
618 | * Constructs a new TableColumn instance given a style value describing its | |
619 | * alignment behavior. The column is added to the end of the columns | |
620 | * maintained by the table. | |
621 | * | |
622 | * @param style | |
623 | * the alignment style | |
624 | * @return the new TableColumn | |
625 | * | |
626 | * @see SWT#LEFT | |
627 | * @see SWT#RIGHT | |
628 | * @see SWT#CENTER | |
629 | * | |
630 | * @since 3.1 | |
631 | */ | |
632 | public TableColumn newTableColumn(int style) { | |
633 | TableColumn column = new TableColumn(fTable, style); | |
634 | ||
635 | /* | |
636 | * In Linux the table does not receive a control resized event when | |
637 | * a table column resize causes the horizontal scroll bar to become | |
638 | * visible or invisible, so a resize listener must be added to every | |
639 | * table column to properly update the number of fully visible rows. | |
640 | */ | |
641 | column.addControlListener(fResizeListener); | |
642 | ||
643 | return column; | |
644 | } | |
645 | ||
02023181 MK |
646 | /** |
647 | * Method setHeaderVisible. | |
648 | * @param b boolean | |
649 | */ | |
631d853f PT |
650 | public void setHeaderVisible(boolean b) { |
651 | fTable.setHeaderVisible(b); | |
652 | } | |
653 | ||
02023181 MK |
654 | /** |
655 | * Method setLinesVisible. | |
656 | * @param b boolean | |
657 | */ | |
631d853f PT |
658 | public void setLinesVisible(boolean b) { |
659 | fTable.setLinesVisible(b); | |
660 | } | |
661 | ||
02023181 | 662 | /** |
3f43dc48 PT |
663 | * Returns an array of <code>TableItem</code>s that are currently selected |
664 | * in the receiver. The order of the items is unspecified. An empty array | |
665 | * indicates that no items are selected. | |
666 | * <p> | |
667 | * Note: This array only contains the visible selected items in the virtual | |
668 | * table. To get information about the full selection range, use | |
669 | * {@link #getSelectionIndices()}. | |
670 | * </p> | |
671 | * | |
672 | * @return an array representing the selection | |
673 | * | |
674 | * @exception SWTException <ul> | |
675 | * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
676 | * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
677 | * </ul> | |
02023181 | 678 | */ |
631d853f PT |
679 | public TableItem[] getSelection() { |
680 | return fTable.getSelection(); | |
681 | } | |
682 | ||
02023181 MK |
683 | /** |
684 | * Method addListener. | |
685 | * @param eventType int | |
686 | * @param listener Listener | |
687 | */ | |
631d853f | 688 | @Override |
828e5592 PT |
689 | public void addListener(int eventType, Listener listener) { |
690 | fTable.addListener(eventType, listener); | |
691 | } | |
631d853f | 692 | |
02023181 MK |
693 | /** |
694 | * Method addKeyListener. | |
695 | * @param listener KeyListener | |
696 | */ | |
631d853f PT |
697 | @Override |
698 | public void addKeyListener(KeyListener listener) { | |
699 | fTable.addKeyListener(listener); | |
700 | } | |
b21305c2 | 701 | |
02023181 MK |
702 | /** |
703 | * Method addMouseListener. | |
704 | * @param listener MouseListener | |
705 | */ | |
828e5592 | 706 | @Override |
631d853f PT |
707 | public void addMouseListener(MouseListener listener) { |
708 | fTable.addMouseListener(listener); | |
709 | } | |
710 | ||
02023181 MK |
711 | /** |
712 | * Method addSelectionListener. | |
713 | * @param listener SelectionListener | |
714 | */ | |
631d853f PT |
715 | public void addSelectionListener(SelectionListener listener) { |
716 | fTable.addSelectionListener(listener); | |
717 | } | |
718 | ||
02023181 MK |
719 | /** |
720 | * Method setMenu sets the menu | |
721 | * @param menu Menu the menu | |
722 | */ | |
631d853f PT |
723 | @Override |
724 | public void setMenu(Menu menu) { | |
725 | fTable.setMenu(menu); | |
726 | } | |
727 | ||
48da630d XR |
728 | /** |
729 | * Gets the menu of this table | |
730 | * @return a Menu | |
731 | */ | |
732 | @Override | |
733 | public Menu getMenu() { | |
734 | return fTable.getMenu(); | |
735 | } | |
736 | ||
02023181 | 737 | /** |
3934297e | 738 | * Method clearAll empties a table. |
02023181 | 739 | */ |
631d853f PT |
740 | public void clearAll() { |
741 | setItemCount(0); | |
742 | } | |
743 | ||
02023181 MK |
744 | /** |
745 | * Method setItemCount | |
746 | * @param nbItems int the number of items in the table | |
d5efe032 | 747 | * |
02023181 | 748 | */ |
631d853f | 749 | public void setItemCount(int nbItems) { |
41b5c37f | 750 | final int nb = Math.max(0, nbItems); |
631d853f | 751 | |
41b5c37f AM |
752 | if (nb != fTableItemCount) { |
753 | fTableItemCount = nb; | |
631d853f | 754 | fTable.remove(fTableItemCount, fTable.getItemCount() - 1); |
41b5c37f | 755 | fSlider.setMaximum(nb); |
631d853f PT |
756 | resize(); |
757 | int tableHeight = Math.max(0, fTable.getClientArea().height - fTable.getHeaderHeight()); | |
758 | fFullyVisibleRows = tableHeight / getItemHeight(); | |
759 | if (fTableItemCount > 0) { | |
760 | fSlider.setThumb(Math.max(1, Math.min(fTableRows, fFullyVisibleRows))); | |
761 | } | |
762 | } | |
763 | } | |
764 | ||
02023181 MK |
765 | /** |
766 | * Method getItemCount. | |
767 | * @return int the number of items in the table | |
768 | */ | |
631d853f PT |
769 | public int getItemCount() { |
770 | return fTableItemCount; | |
771 | } | |
772 | ||
02023181 MK |
773 | /** |
774 | * Method getItemHeight. | |
775 | * @return int the height of a table item in pixels. (may vary from one os to another) | |
776 | */ | |
631d853f PT |
777 | public int getItemHeight() { |
778 | /* | |
779 | * Bug in Linux. The method getItemHeight doesn't always return the correct value. | |
780 | */ | |
781 | if (fLinuxItemHeight >= 0 && System.getProperty("os.name").contains("Linux")) { //$NON-NLS-1$ //$NON-NLS-2$ | |
782 | if (fLinuxItemHeight != 0) { | |
783 | return fLinuxItemHeight; | |
784 | } | |
785 | if (fTable.getItemCount() > 1) { | |
786 | int itemHeight = fTable.getItem(1).getBounds().y - fTable.getItem(0).getBounds().y; | |
787 | if (itemHeight > 0) { | |
788 | fLinuxItemHeight = itemHeight; | |
789 | return fLinuxItemHeight; | |
790 | } | |
791 | } | |
792 | } else { | |
793 | fLinuxItemHeight = -1; // Not Linux, don't perform os.name check anymore | |
794 | } | |
795 | return fTable.getItemHeight(); | |
796 | } | |
797 | ||
02023181 MK |
798 | /** |
799 | * Method getHeaderHeight. | |
800 | * @return int get the height of the header in pixels. | |
801 | */ | |
ea08e8ed PT |
802 | public int getHeaderHeight() { |
803 | return fTable.getHeaderHeight(); | |
804 | } | |
805 | ||
02023181 MK |
806 | /** |
807 | * Method getTopIndex. | |
808 | * @return int get the first data item index, if you have a header it is offset. | |
809 | */ | |
631d853f PT |
810 | public int getTopIndex() { |
811 | return fTableTopEventRank + fFrozenRowCount; | |
812 | } | |
813 | ||
02023181 MK |
814 | /** |
815 | * Method setTopIndex. | |
41b5c37f | 816 | * @param index int suggested top index for the table. |
02023181 | 817 | */ |
41b5c37f | 818 | public void setTopIndex(int index) { |
631d853f | 819 | if (fTableItemCount > 0) { |
41b5c37f | 820 | int i = Math.min(index, fTableItemCount - 1); |
631d853f PT |
821 | i = Math.max(i, fFrozenRowCount); |
822 | ||
823 | fTableTopEventRank = i - fFrozenRowCount; | |
824 | if (fFullyVisibleRows < fTableItemCount) { | |
825 | fSlider.setSelection(fTableTopEventRank); | |
826 | } | |
827 | ||
828 | refreshTable(); | |
829 | } | |
830 | } | |
831 | ||
02023181 MK |
832 | /** |
833 | * Method indexOf. Return the index of a table item | |
834 | * @param ti TableItem the table item to search for in the table | |
3934297e | 835 | * @return int the index of the first match. (there should only be one match) |
02023181 | 836 | */ |
631d853f PT |
837 | public int indexOf(TableItem ti) { |
838 | int index = fTable.indexOf(ti); | |
839 | if (index < fFrozenRowCount) { | |
840 | return index; | |
631d853f | 841 | } |
abbdd66a | 842 | return (index - fFrozenRowCount) + getTopIndex(); |
631d853f PT |
843 | } |
844 | ||
02023181 MK |
845 | /** |
846 | * Method getColumns. | |
3934297e | 847 | * @return TableColumn[] the table columns |
02023181 | 848 | */ |
631d853f PT |
849 | public TableColumn[] getColumns() { |
850 | return fTable.getColumns(); | |
851 | } | |
852 | ||
02023181 MK |
853 | /** |
854 | * Method getItem. | |
855 | * @param point Point the coordinates in the table | |
3934297e | 856 | * @return TableItem the corresponding table item |
02023181 | 857 | */ |
631d853f PT |
858 | public TableItem getItem(Point point) { |
859 | return fTable.getItem(point); | |
860 | } | |
861 | ||
02023181 MK |
862 | /** |
863 | * Method resize. | |
864 | */ | |
631d853f PT |
865 | private void resize() { |
866 | // Compute the numbers of rows that fit the new area | |
867 | int tableHeight = Math.max(0, getSize().y - fTable.getHeaderHeight()); | |
868 | int itemHeight = getItemHeight(); | |
869 | fTableRows = Math.min((tableHeight + itemHeight - 1) / itemHeight, fTableItemCount); | |
870 | ||
871 | if (fTableTopEventRank + fFullyVisibleRows > fTableItemCount) { | |
872 | // If we are at the end, get elements before to populate | |
873 | fTableTopEventRank = Math.max(0, fTableItemCount - fFullyVisibleRows); | |
874 | refreshTable(); | |
875 | } else if (fTableRows > fTable.getItemCount() || fTableItemCount < fTable.getItemCount()) { | |
876 | // Only refresh if new table items are needed or if table items need to be deleted | |
877 | refreshTable(); | |
878 | } | |
879 | ||
880 | } | |
881 | ||
882 | // ------------------------------------------------------------------------ | |
883 | // Controls interactions | |
884 | // ------------------------------------------------------------------------ | |
885 | ||
02023181 MK |
886 | /** |
887 | * Method setFocus. | |
888 | * @return boolean is this visible? | |
889 | */ | |
631d853f PT |
890 | @Override |
891 | public boolean setFocus() { | |
892 | boolean isVisible = isVisible(); | |
893 | if (isVisible) { | |
894 | fTable.setFocus(); | |
895 | } | |
896 | return isVisible; | |
897 | } | |
898 | ||
02023181 MK |
899 | /** |
900 | * Method refresh. | |
901 | */ | |
631d853f PT |
902 | public void refresh() { |
903 | boolean done = refreshTable(); | |
3f43dc48 PT |
904 | if (!done) { |
905 | return; | |
906 | } | |
dadf6e1a | 907 | if (fPendingSelection) { |
631d853f | 908 | fPendingSelection = false; |
3f43dc48 PT |
909 | TableItem item = null; |
910 | if (fSelectedEventRank >= 0 && fSelectedEventRank < fFrozenRowCount) { | |
911 | item = fTable.getItem(fSelectedEventRank); | |
912 | } else if (fSelectedEventRank >= fTableTopEventRank + fFrozenRowCount && fSelectedEventRank - fTableTopEventRank < fTable.getItemCount()) { | |
913 | item = fTable.getItem(fSelectedEventRank - fTableTopEventRank); | |
914 | } | |
915 | if (item != null) { | |
631d853f | 916 | Event e = new Event(); |
3f43dc48 | 917 | e.item = item; |
631d853f PT |
918 | fTable.notifyListeners(SWT.Selection, e); |
919 | } | |
920 | } | |
921 | } | |
922 | ||
02023181 MK |
923 | /** |
924 | * Method setColumnHeaders. | |
baafe54c AM |
925 | * |
926 | * @param columnData | |
927 | * ColumnData[] the columndata array. | |
02023181 | 928 | */ |
baafe54c | 929 | @Deprecated |
631d853f | 930 | public void setColumnHeaders(ColumnData columnData[]) { |
baafe54c AM |
931 | /* No-op */ |
932 | } | |
933 | ||
02023181 MK |
934 | /** |
935 | * Method removeAll. | |
936 | * @return int 0 the number of elements in the table | |
937 | */ | |
631d853f PT |
938 | public int removeAll() { |
939 | setItemCount(0); | |
940 | fSlider.setMaximum(0); | |
941 | fTable.removeAll(); | |
3f43dc48 PT |
942 | fSelectedEventRank = -1; |
943 | fSelectedBeginRank = fSelectedEventRank; | |
631d853f PT |
944 | return 0; |
945 | } | |
946 | ||
02023181 MK |
947 | /** |
948 | * Method refreshTable. | |
3f43dc48 | 949 | * @return true if all table items have been refreshed, false otherwise |
02023181 | 950 | */ |
631d853f PT |
951 | private boolean refreshTable() { |
952 | boolean done = true; | |
953 | for (int i = 0; i < fTableRows; i++) { | |
954 | if (i + fTableTopEventRank < fTableItemCount) { | |
955 | TableItem tableItem; | |
956 | if (i < fTable.getItemCount()) { | |
957 | tableItem = fTable.getItem(i); | |
958 | } else { | |
959 | tableItem = new TableItem(fTable, SWT.NONE); | |
960 | } | |
961 | done &= setDataItem(i, tableItem); // false if table item not updated yet in this thread | |
962 | } else { | |
963 | if (fTable.getItemCount() > fTableItemCount - fTableTopEventRank) { | |
964 | fTable.remove(fTableItemCount - fTableTopEventRank); | |
965 | } | |
966 | } | |
967 | } | |
3f43dc48 PT |
968 | if (done) { |
969 | refreshSelection(); | |
970 | } else { | |
971 | fTable.deselectAll(); | |
972 | } | |
973 | return done; | |
974 | } | |
631d853f | 975 | |
3f43dc48 | 976 | private void refreshSelection() { |
631d853f | 977 | int lastRowOffset = fTableTopEventRank + fTableRows - 1; |
3f43dc48 PT |
978 | int startRank = Math.min(fSelectedBeginRank, fSelectedEventRank); |
979 | int endRank = Math.max(fSelectedBeginRank, fSelectedEventRank); | |
980 | int start = Integer.MAX_VALUE; | |
981 | int end = Integer.MIN_VALUE; | |
982 | if (startRank < fFrozenRowCount) { | |
983 | start = startRank; | |
984 | } else if (startRank < fTableTopEventRank + fFrozenRowCount) { | |
985 | start = fFrozenRowCount; | |
986 | } else if (startRank <= lastRowOffset) { | |
987 | start = startRank - fTableTopEventRank; | |
988 | } | |
989 | if (endRank < fFrozenRowCount) { | |
990 | end = endRank; | |
991 | } else if (endRank < fTableTopEventRank + fFrozenRowCount) { | |
992 | end = fFrozenRowCount - 1; | |
993 | } else if (endRank <= lastRowOffset) { | |
994 | end = endRank - fTableTopEventRank; | |
995 | } else { | |
996 | end = fTableRows - 1; | |
997 | } | |
998 | if (start <= end) { | |
999 | fTable.setSelection(start, end); | |
1000 | if (startRank == fSelectedEventRank) { | |
1001 | fTable.select(start); | |
1002 | } else { | |
1003 | fTable.select(end); | |
1004 | } | |
631d853f PT |
1005 | } else { |
1006 | fTable.deselectAll(); | |
1007 | } | |
631d853f PT |
1008 | } |
1009 | ||
02023181 | 1010 | /** |
3f43dc48 PT |
1011 | * Selects the item at the given zero-relative index in the receiver. |
1012 | * The current selection is first cleared, then the new item is selected, | |
1013 | * and if necessary the receiver is scrolled to make the new selection visible. | |
1014 | * | |
1015 | * @param index the index of the item to select | |
1016 | * | |
1017 | * @exception SWTException <ul> | |
1018 | * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
1019 | * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
1020 | * </ul> | |
02023181 | 1021 | */ |
41b5c37f | 1022 | public void setSelection(int index) { |
631d853f | 1023 | if (fTableItemCount > 0) { |
41b5c37f | 1024 | int i = Math.min(index, fTableItemCount - 1); |
631d853f PT |
1025 | i = Math.max(i, 0); |
1026 | ||
1027 | fSelectedEventRank = i; | |
3f43dc48 | 1028 | fSelectedBeginRank = fSelectedEventRank; |
631d853f PT |
1029 | if ((i < fTableTopEventRank + fFrozenRowCount && i >= fFrozenRowCount) || |
1030 | (i >= fTableTopEventRank + fFullyVisibleRows)) { | |
faa38350 PT |
1031 | int lastPageTopEntryRank = Math.max(0, fTableItemCount - fFullyVisibleRows); |
1032 | fTableTopEventRank = Math.max(0, Math.min(lastPageTopEntryRank, i - fFrozenRowCount - fFullyVisibleRows / 2)); | |
631d853f PT |
1033 | } |
1034 | if (fFullyVisibleRows < fTableItemCount) { | |
1035 | fSlider.setSelection(fTableTopEventRank); | |
1036 | } | |
1037 | ||
1038 | refreshTable(); | |
631d853f PT |
1039 | } |
1040 | } | |
1041 | ||
02023181 | 1042 | /** |
3f43dc48 PT |
1043 | * Returns the zero-relative index of the item which is currently |
1044 | * selected in the receiver, or -1 if no item is selected. | |
1045 | * | |
1046 | * @return the index of the selected item | |
02023181 | 1047 | */ |
631d853f | 1048 | public int getSelectionIndex() { |
3f43dc48 PT |
1049 | return fSelectedEventRank; |
1050 | } | |
1051 | ||
1052 | /** | |
1053 | * Returns an index array representing the selection range. If there is a | |
1054 | * single item selected the array holds one index. If there is a selected | |
1055 | * range the first item in the array is the start index of the selection and | |
1056 | * the second item is the end index of the selection, which is the item most | |
1057 | * recently selected. The array is empty if no items are selected. | |
1058 | * <p> | |
1059 | * @return the array of indices of the selected items | |
4b121c48 | 1060 | * @since 2.1 |
3f43dc48 PT |
1061 | */ |
1062 | public int[] getSelectionIndices() { | |
1063 | if (fSelectedEventRank < 0 || fSelectedBeginRank < 0) { | |
1064 | return new int[] {}; | |
1065 | } else if (fSelectedEventRank == fSelectedBeginRank) { | |
1066 | return new int[] { fSelectedEventRank }; | |
631d853f | 1067 | } |
3f43dc48 | 1068 | return new int[] { fSelectedBeginRank, fSelectedEventRank }; |
631d853f PT |
1069 | } |
1070 | ||
02023181 MK |
1071 | /** |
1072 | * Method setFrozenRowCount. | |
1073 | * @param count int the number of rows to freeze from the top row | |
1074 | */ | |
631d853f PT |
1075 | public void setFrozenRowCount(int count) { |
1076 | fFrozenRowCount = count; | |
1077 | refreshTable(); | |
1078 | } | |
1079 | ||
02023181 MK |
1080 | /** |
1081 | * Method createTableEditor. | |
1082 | * @return a TableEditor of the table | |
1083 | */ | |
631d853f PT |
1084 | public TableEditor createTableEditor() { |
1085 | return new TableEditor(fTable); | |
1086 | } | |
1087 | ||
02023181 MK |
1088 | /** |
1089 | * Method createTableEditorControl. | |
1090 | * @param control Class<? extends Control> | |
1091 | * @return Control | |
1092 | */ | |
631d853f PT |
1093 | public Control createTableEditorControl(Class<? extends Control> control) { |
1094 | try { | |
420bceb2 | 1095 | return control.getConstructor(Composite.class, int.class).newInstance(new Object[] {fTable, SWT.NONE}); |
631d853f PT |
1096 | } catch (Exception e) { |
1097 | Activator.getDefault().logError("Error creating table editor control", e); //$NON-NLS-1$ | |
1098 | } | |
1099 | return null; | |
1100 | } | |
1101 | ||
1102 | /** | |
1103 | * @return the tooltipProvider | |
d5efe032 | 1104 | */ |
631d853f PT |
1105 | public TooltipProvider getTooltipProvider() { |
1106 | return tooltipProvider; | |
1107 | } | |
1108 | ||
1109 | /** | |
1110 | * @param tooltipProvider the tooltipProvider to set | |
1111 | */ | |
1112 | public void setTooltipProvider(TooltipProvider tooltipProvider) { | |
1113 | this.tooltipProvider = tooltipProvider; | |
1114 | } | |
1115 | ||
1116 | /** | |
1117 | * @return the doubleClickListener | |
d5efe032 | 1118 | */ |
631d853f PT |
1119 | public IDoubleClickListener getDoubleClickListener() { |
1120 | return doubleClickListener; | |
1121 | } | |
1122 | ||
1123 | /** | |
1124 | * @param doubleClickListener the doubleClickListener to set | |
1125 | */ | |
1126 | public void setDoubleClickListener(IDoubleClickListener doubleClickListener) { | |
1127 | this.doubleClickListener = doubleClickListener; | |
1128 | } | |
1129 | ||
9ccc6d01 | 1130 | } |