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7d048a33 | 1 | /******************************************************************************* |
812e7197 | 2 | * Copyright (c) 2010, 2015 Ericsson |
7d048a33 PT |
3 | * |
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 | |
8 | * | |
9 | * Contributors: | |
10 | * Patrick Tasse - Initial API and implementation | |
11 | ******************************************************************************/ | |
12 | ||
2bdf0193 | 13 | package org.eclipse.tracecompass.tmf.ui.widgets.rawviewer; |
7d048a33 PT |
14 | |
15 | import java.util.ArrayList; | |
16 | import java.util.List; | |
17 | ||
332c750a | 18 | import org.eclipse.jface.resource.ColorRegistry; |
812e7197 PT |
19 | import org.eclipse.jface.resource.FontRegistry; |
20 | import org.eclipse.jface.util.IPropertyChangeListener; | |
21 | import org.eclipse.jface.util.PropertyChangeEvent; | |
7d048a33 PT |
22 | import org.eclipse.swt.SWT; |
23 | import org.eclipse.swt.custom.CaretEvent; | |
24 | import org.eclipse.swt.custom.CaretListener; | |
25 | import org.eclipse.swt.custom.ScrolledComposite; | |
26 | import org.eclipse.swt.custom.StyledText; | |
27 | import org.eclipse.swt.events.ControlEvent; | |
28 | import org.eclipse.swt.events.ControlListener; | |
29 | import org.eclipse.swt.events.KeyEvent; | |
30 | import org.eclipse.swt.events.KeyListener; | |
31 | import org.eclipse.swt.events.MouseAdapter; | |
32 | import org.eclipse.swt.events.MouseEvent; | |
29ddb729 | 33 | import org.eclipse.swt.events.MouseListener; |
7d048a33 PT |
34 | import org.eclipse.swt.events.MouseMoveListener; |
35 | import org.eclipse.swt.events.MouseTrackListener; | |
36 | import org.eclipse.swt.events.MouseWheelListener; | |
37 | import org.eclipse.swt.events.SelectionEvent; | |
38 | import org.eclipse.swt.events.SelectionListener; | |
39 | import org.eclipse.swt.graphics.Color; | |
40 | import org.eclipse.swt.graphics.Font; | |
7d048a33 PT |
41 | import org.eclipse.swt.graphics.Point; |
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.Control; | |
46 | import org.eclipse.swt.widgets.Display; | |
47 | import org.eclipse.swt.widgets.Event; | |
48 | import org.eclipse.swt.widgets.Listener; | |
49 | import org.eclipse.swt.widgets.Menu; | |
50 | import org.eclipse.swt.widgets.Slider; | |
2bdf0193 AM |
51 | import org.eclipse.tracecompass.tmf.core.event.ITmfEvent; |
52 | import org.eclipse.tracecompass.tmf.core.trace.ITmfContext; | |
53 | import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace; | |
54 | import org.eclipse.tracecompass.tmf.core.trace.location.ITmfLocation; | |
812e7197 PT |
55 | import org.eclipse.ui.PlatformUI; |
56 | import org.eclipse.ui.themes.IThemeManager; | |
7d048a33 PT |
57 | |
58 | /** | |
59 | * TmfRawEventViewer allows for the display of the raw data for an arbitrarily | |
60 | * large number of TMF events. | |
61 | * | |
62 | * It is essentially a Composite of a StyledText area and a Slider, where the number | |
63 | * of visible lines in the StyledText control is set to fill the viewer display area. | |
64 | * An underlying data model is used to store a cache of event raw text line data. | |
65 | * The slider is ratio-based. | |
66 | * | |
67 | * @version 1.0 | |
68 | * @author Patrick Tasse | |
69 | */ | |
29ddb729 | 70 | public class TmfRawEventViewer extends Composite implements ControlListener, SelectionListener, MouseListener, |
812e7197 | 71 | KeyListener, CaretListener, MouseMoveListener, MouseTrackListener, MouseWheelListener, IPropertyChangeListener { |
7d048a33 PT |
72 | |
73 | private static final Color COLOR_BACKGROUND_ODD = Display.getCurrent().getSystemColor(SWT.COLOR_WHITE); | |
74 | private static final Color COLOR_BACKGROUND_EVEN = new Color(Display.getDefault(), 242, 242, 242); | |
812e7197 | 75 | private static final String FONT_DEFINITION_ID = "org.eclipse.tracecompass.tmf.ui.font.eventraw"; //$NON-NLS-1$ |
332c750a PT |
76 | private static final String HIGHLIGHT_COLOR_DEFINITION_ID = "org.eclipse.tracecompass.tmf.ui.color.eventraw.highlight"; //$NON-NLS-1$ |
77 | private static final String SELECTION_COLOR_DEFINITION_ID = "org.eclipse.tracecompass.tmf.ui.color.eventraw.selection"; //$NON-NLS-1$ | |
7d048a33 PT |
78 | private static final int MAX_LINE_DATA_SIZE = 1000; |
79 | private static final int SLIDER_MAX = 1000000; | |
80 | ||
81 | private ITmfTrace fTrace; | |
82 | private ITmfContext fBottomContext; | |
83 | ||
84 | private ScrolledComposite fScrolledComposite; | |
85 | private Composite fTextArea; | |
86 | private StyledText fStyledText; | |
87 | private Font fFixedFont; | |
332c750a PT |
88 | private Color fHighlightColor; |
89 | private Color fSelectionColor; | |
d5efe032 | 90 | private Slider fSlider; |
29ddb729 | 91 | private SliderThrottler fSliderThrottler; |
d5efe032 AF |
92 | |
93 | private final List<LineData> fLines = new ArrayList<>(); | |
94 | private boolean fActualRanks = false; | |
95 | private int fTopLineIndex; | |
96 | private int fLastTopLineIndex; | |
97 | private final CaretPosition[] fStoredCaretPosition = new CaretPosition[] | |
98 | { new CaretPosition(0, 0), new CaretPosition(0,0)}; | |
99 | private int fNumVisibleLines; | |
7d048a33 PT |
100 | private ITmfLocation fSelectedLocation = null; |
101 | private long fHighlightedRank = Long.MIN_VALUE; | |
102 | private int fCursorYCoordinate = -1; | |
103 | private int fHoldSelection = 0; | |
104 | ||
29ddb729 PT |
105 | // ------------------------------------------------------------------------ |
106 | // Classes | |
107 | // ------------------------------------------------------------------------ | |
108 | ||
d5efe032 AF |
109 | private static class LineData { |
110 | long rank; | |
111 | ITmfLocation location; | |
112 | String string; | |
113 | public LineData(long rank, ITmfLocation location, String string) { | |
114 | this.rank = rank; | |
115 | this.location = location; | |
7d048a33 | 116 | if (string.length() == 0) { |
72f6827e JCK |
117 | /* workaround for setLineBackground has no effect on empty line */ |
118 | this.string = " "; //$NON-NLS-1$ | |
7d048a33 PT |
119 | } else { |
120 | this.string = string; | |
121 | } | |
d5efe032 | 122 | } |
7d048a33 PT |
123 | @Override |
124 | public String toString() { | |
125 | return rank + " [" + location + "]: " + string; //$NON-NLS-1$ //$NON-NLS-2$ | |
126 | } | |
d5efe032 AF |
127 | } |
128 | ||
129 | private static class CaretPosition { | |
130 | int time; | |
131 | int caretOffset; | |
132 | public CaretPosition(int time, int caretOffset) { | |
133 | this.time = time; | |
134 | this.caretOffset = caretOffset; | |
135 | } | |
136 | } | |
137 | ||
29ddb729 PT |
138 | private class SliderThrottler extends Thread { |
139 | private static final long DELAY = 400L; | |
140 | private static final long POLLING_INTERVAL = 10L; | |
141 | ||
142 | @Override | |
143 | public void run() { | |
144 | final long startTime = System.currentTimeMillis(); | |
145 | while ((System.currentTimeMillis() - startTime) < DELAY) { | |
146 | try { | |
147 | Thread.sleep(POLLING_INTERVAL); | |
148 | } catch (InterruptedException e) { | |
149 | } | |
150 | } | |
151 | Display.getDefault().asyncExec(new Runnable() { | |
152 | @Override | |
153 | public void run() { | |
154 | if (fSliderThrottler != SliderThrottler.this) { | |
155 | return; | |
156 | } | |
157 | fSliderThrottler = null; | |
158 | if (SliderThrottler.this.isInterrupted() || fSlider.isDisposed()) { | |
159 | return; | |
160 | } | |
161 | Event event = new Event(); | |
162 | event.widget = TmfRawEventViewer.this; | |
163 | event.detail = SWT.NONE; | |
164 | widgetSelected(new SelectionEvent(event)); | |
165 | } | |
166 | }); | |
167 | } | |
168 | } | |
169 | ||
d5efe032 AF |
170 | // ------------------------------------------------------------------------ |
171 | // Constructor | |
172 | // ------------------------------------------------------------------------ | |
173 | ||
174 | /** | |
175 | * Constructor | |
176 | * @param parent The parent composite | |
177 | * @param style The style bits | |
178 | */ | |
179 | public TmfRawEventViewer(Composite parent, int style) { | |
180 | super(parent, style & (~SWT.H_SCROLL) & (~SWT.V_SCROLL)); | |
181 | ||
182 | // Set the layout | |
183 | GridLayout gridLayout = new GridLayout(); | |
184 | gridLayout.numColumns = 2; | |
185 | gridLayout.horizontalSpacing = 0; | |
186 | gridLayout.verticalSpacing = 0; | |
7d048a33 PT |
187 | gridLayout.marginWidth = 0; |
188 | gridLayout.marginHeight = 0; | |
d5efe032 | 189 | setLayout(gridLayout); |
7d048a33 | 190 | |
d5efe032 AF |
191 | // Create the controls |
192 | createTextArea(style & SWT.H_SCROLL); | |
193 | createSlider(style & SWT.V_SCROLL); | |
7d048a33 | 194 | |
d5efe032 AF |
195 | // Prevent the slider from being traversed |
196 | setTabList(new Control[] { fScrolledComposite }); | |
197 | } | |
7d048a33 PT |
198 | |
199 | @Override | |
d5efe032 | 200 | public void dispose() { |
e5f3e782 PT |
201 | if (fBottomContext != null) { |
202 | fBottomContext.dispose(); | |
203 | } | |
812e7197 | 204 | PlatformUI.getWorkbench().getThemeManager().removePropertyChangeListener(this); |
d5efe032 AF |
205 | super.dispose(); |
206 | } | |
7d048a33 | 207 | |
812e7197 | 208 | // ------------------------------------------------------------------------ |
332c750a | 209 | // Font and color handling |
812e7197 PT |
210 | // ------------------------------------------------------------------------ |
211 | ||
212 | /** | |
213 | * Initialize the fonts. | |
214 | * @since 1.0 | |
215 | */ | |
216 | protected void initializeFonts() { | |
217 | FontRegistry fontRegistry = PlatformUI.getWorkbench().getThemeManager().getCurrentTheme().getFontRegistry(); | |
218 | fFixedFont = fontRegistry.get(FONT_DEFINITION_ID); | |
219 | fStyledText.setFont(fFixedFont); | |
220 | } | |
221 | ||
332c750a PT |
222 | /** |
223 | * Initialize the colors. | |
0336f981 | 224 | * @since 1.1 |
332c750a PT |
225 | */ |
226 | protected void initializeColors() { | |
227 | ColorRegistry colorRegistry = PlatformUI.getWorkbench().getThemeManager().getCurrentTheme().getColorRegistry(); | |
228 | fHighlightColor = colorRegistry.get(HIGHLIGHT_COLOR_DEFINITION_ID); | |
229 | fSelectionColor = colorRegistry.get(SELECTION_COLOR_DEFINITION_ID); | |
230 | } | |
231 | ||
812e7197 PT |
232 | /** |
233 | * @since 1.0 | |
234 | */ | |
235 | @Override | |
236 | public void propertyChange(PropertyChangeEvent event) { | |
237 | if ((IThemeManager.CHANGE_CURRENT_THEME.equals(event.getProperty())) || | |
238 | (FONT_DEFINITION_ID.equals(event.getProperty()))) { | |
239 | initializeFonts(); | |
240 | refreshTextArea(); | |
241 | } | |
332c750a PT |
242 | if ((IThemeManager.CHANGE_CURRENT_THEME.equals(event.getProperty())) || |
243 | (HIGHLIGHT_COLOR_DEFINITION_ID.equals(event.getProperty())) || | |
244 | (SELECTION_COLOR_DEFINITION_ID.equals(event.getProperty()))) { | |
245 | initializeColors(); | |
246 | refreshTextArea(); | |
247 | } | |
812e7197 PT |
248 | } |
249 | ||
d5efe032 AF |
250 | // ------------------------------------------------------------------------ |
251 | // Text area handling | |
252 | // ------------------------------------------------------------------------ | |
7d048a33 PT |
253 | |
254 | /** | |
d5efe032 AF |
255 | * Create the text area and add listeners |
256 | */ | |
257 | private void createTextArea(int style) { | |
258 | fScrolledComposite = new ScrolledComposite(this, style); | |
259 | fScrolledComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); | |
260 | fTextArea = new Composite(fScrolledComposite, SWT.NONE); | |
7d048a33 PT |
261 | fTextArea.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); |
262 | fScrolledComposite.setContent(fTextArea); | |
263 | fScrolledComposite.setExpandHorizontal(true); | |
264 | fScrolledComposite.setExpandVertical(true); | |
265 | fScrolledComposite.setAlwaysShowScrollBars(true); | |
266 | fScrolledComposite.setMinSize(fTextArea.computeSize(SWT.DEFAULT, SWT.DEFAULT)); | |
267 | fScrolledComposite.addControlListener(this); | |
268 | ||
269 | GridLayout textAreaGridLayout = new GridLayout(); | |
270 | textAreaGridLayout.marginHeight = 0; | |
271 | textAreaGridLayout.marginWidth = 0; | |
272 | fTextArea.setLayout(textAreaGridLayout); | |
273 | ||
7d048a33 | 274 | fStyledText = new StyledText(fTextArea, SWT.READ_ONLY); |
7d048a33 PT |
275 | fStyledText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false)); |
276 | ||
812e7197 | 277 | initializeFonts(); |
332c750a | 278 | initializeColors(); |
812e7197 PT |
279 | PlatformUI.getWorkbench().getThemeManager().addPropertyChangeListener(this); |
280 | ||
7d048a33 PT |
281 | fStyledText.addCaretListener(this); |
282 | fStyledText.addMouseMoveListener(this); | |
283 | fStyledText.addMouseTrackListener(this); | |
284 | fStyledText.addMouseWheelListener(this); | |
72f6827e JCK |
285 | /* disable mouse scroll of horizontal scroll bar */ |
286 | fStyledText.addListener(SWT.MouseWheel, new Listener() { | |
7d048a33 | 287 | @Override |
72f6827e JCK |
288 | public void handleEvent(Event event) { |
289 | event.doit = false; | |
290 | } | |
291 | }); | |
7d048a33 PT |
292 | fStyledText.addKeyListener(this); |
293 | ||
294 | fTextArea.setBackground(fStyledText.getBackground()); | |
295 | fTextArea.addMouseListener(new MouseAdapter() { | |
d5efe032 | 296 | @Override |
7d048a33 | 297 | public void mouseDown(MouseEvent e) { |
d5efe032 | 298 | fTextArea.setFocus(); |
72f6827e JCK |
299 | } |
300 | }); | |
d5efe032 | 301 | } |
7d048a33 | 302 | |
d5efe032 AF |
303 | // ------------------------------------------------------------------------ |
304 | // Slider handling | |
305 | // ------------------------------------------------------------------------ | |
7d048a33 | 306 | |
d5efe032 AF |
307 | private void createSlider(int style) { |
308 | fSlider = new Slider(this, SWT.VERTICAL); | |
7d048a33 PT |
309 | fSlider.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, true)); |
310 | fSlider.setValues(0, 0, SLIDER_MAX, SLIDER_MAX, 1, 1); | |
d5efe032 | 311 | fSlider.addSelectionListener(this); |
29ddb729 | 312 | fSlider.addMouseListener(this); |
7d048a33 PT |
313 | if ((style & SWT.V_SCROLL) == 0) { |
314 | fSlider.setVisible(false); | |
315 | } | |
d5efe032 | 316 | } |
7d048a33 | 317 | |
d5efe032 AF |
318 | // ------------------------------------------------------------------------ |
319 | // Controls interactions | |
320 | // ------------------------------------------------------------------------ | |
7d048a33 | 321 | |
d5efe032 AF |
322 | @Override |
323 | public boolean setFocus() { | |
324 | boolean isVisible = isVisible(); | |
325 | if (isVisible) { | |
326 | fTextArea.setFocus(); | |
327 | } | |
328 | return isVisible; | |
329 | } | |
7d048a33 PT |
330 | |
331 | @Override | |
332 | public void setMenu(Menu menu) { | |
333 | fStyledText.setMenu(menu); | |
334 | } | |
335 | ||
336 | /** | |
337 | * Sets the trace and updates the content | |
338 | * @param trace The trace to set | |
339 | */ | |
340 | public void setTrace(ITmfTrace trace) { | |
d5efe032 AF |
341 | fTrace = trace; |
342 | fTopLineIndex = 0; | |
343 | fLines.clear(); | |
344 | refreshEventCount(); | |
345 | } | |
7d048a33 PT |
346 | |
347 | /** | |
348 | * Refreshes the event count, updates the slider thumb and loads display | |
349 | */ | |
d5efe032 AF |
350 | public void refreshEventCount() { |
351 | if (fTrace != null) { | |
352 | if (fTrace.getNbEvents() > 0) { | |
353 | fSlider.setThumb((int) Math.max(SLIDER_MAX / fTrace.getNbEvents(), 1)); | |
354 | } else { | |
355 | fSlider.setThumb(SLIDER_MAX); | |
356 | } | |
357 | ||
358 | if (!isVisible()) { | |
7d048a33 PT |
359 | return; |
360 | } | |
361 | ||
d5efe032 AF |
362 | if (fLines.size() == 0) { |
363 | setTopRank(0); | |
364 | } else if (fLines.size() < fNumVisibleLines) { | |
e5f3e782 PT |
365 | if (fBottomContext != null) { |
366 | fBottomContext.dispose(); | |
367 | fBottomContext = null; | |
368 | } | |
d5efe032 AF |
369 | loadLineData(); |
370 | fillTextArea(); | |
d5efe032 AF |
371 | fSlider.setSelection((int) (SLIDER_MAX * fTrace.getLocationRatio(fLines.get(fTopLineIndex).location))); |
372 | } | |
7d048a33 | 373 | } else { |
e5f3e782 PT |
374 | if (fBottomContext != null) { |
375 | fBottomContext.dispose(); | |
376 | fBottomContext = null; | |
377 | } | |
7d048a33 PT |
378 | fillTextArea(); |
379 | fSlider.setThumb(SLIDER_MAX); | |
380 | fSlider.setSelection(0); | |
d5efe032 AF |
381 | } |
382 | } | |
7d048a33 | 383 | |
d5efe032 AF |
384 | /** |
385 | * Selects the event of given rank and makes it visible. | |
386 | * @param rank The rank of event | |
387 | */ | |
7d048a33 PT |
388 | public void selectAndReveal(long rank) { |
389 | if (fTrace == null || !isVisible()) { | |
390 | return; | |
391 | } | |
392 | if (fActualRanks && fTopLineIndex < fLines.size() && rank >= fLines.get(fTopLineIndex).rank) { | |
393 | int lastVisibleIndex = Math.min(fTopLineIndex + fNumVisibleLines, fLines.size()) - 1; | |
394 | if (rank <= fLines.get(lastVisibleIndex).rank) { | |
395 | for (int i = fTopLineIndex; i < fLines.size(); i++) { | |
396 | if (fLines.get(i).rank == rank) { | |
397 | fSelectedLocation = fLines.get(i).location; | |
398 | break; | |
399 | } | |
400 | } | |
401 | refreshLineBackgrounds(); | |
402 | return; | |
403 | } | |
404 | } | |
405 | setTopRank(rank); | |
406 | if (fLines.size() > 0 && fHoldSelection == 0) { | |
407 | fSelectedLocation = fLines.get(0).location; | |
408 | refreshLineBackgrounds(); | |
409 | } | |
410 | } | |
411 | ||
412 | /** | |
413 | * Add a selection listener | |
414 | * @param listener A listener to add | |
415 | */ | |
416 | public void addSelectionListener(Listener listener) { | |
417 | checkWidget(); | |
418 | if (listener == null) { | |
419 | SWT.error (SWT.ERROR_NULL_ARGUMENT); | |
420 | } | |
421 | addListener (SWT.Selection, listener); | |
422 | } | |
423 | ||
424 | /** | |
425 | * Remove selection listener | |
426 | * @param listener A listener to remove | |
427 | */ | |
428 | public void removeSelectionListener(Listener listener) { | |
429 | checkWidget(); | |
430 | if (listener == null) { | |
431 | SWT.error (SWT.ERROR_NULL_ARGUMENT); | |
432 | } | |
433 | removeListener(SWT.Selection, listener); | |
434 | } | |
435 | ||
436 | private void sendSelectionEvent(LineData lineData) { | |
437 | Event event = new Event(); | |
438 | if (fActualRanks) { | |
439 | event.data = Long.valueOf(lineData.rank); | |
440 | } else { | |
441 | event.data = lineData.location; | |
442 | } | |
443 | notifyListeners(SWT.Selection, event); | |
444 | } | |
445 | ||
446 | private void setTopRank(long rank) { | |
e5f3e782 PT |
447 | if (fBottomContext != null) { |
448 | fBottomContext.dispose(); | |
449 | } | |
7d048a33 PT |
450 | fBottomContext = fTrace.seekEvent(rank); |
451 | if (fBottomContext == null) { | |
452 | return; | |
453 | } | |
454 | fLines.clear(); | |
455 | fActualRanks = true; | |
456 | fTopLineIndex = 0; | |
457 | loadLineData(); | |
458 | refreshTextArea(); | |
459 | if (fLines.size() == 0) { | |
460 | fSlider.setSelection(0); | |
461 | } else { | |
7d048a33 PT |
462 | fSlider.setSelection((int) (SLIDER_MAX * fTrace.getLocationRatio(fLines.get(fTopLineIndex).location))); |
463 | } | |
464 | } | |
465 | ||
466 | private void setTopPosition(double ratio) { | |
e5f3e782 PT |
467 | if (fBottomContext != null) { |
468 | fBottomContext.dispose(); | |
469 | } | |
7d048a33 PT |
470 | fBottomContext = fTrace.seekEvent(ratio); |
471 | if (fBottomContext == null) { | |
472 | return; | |
473 | } | |
474 | fBottomContext.setRank(0); | |
475 | fLines.clear(); | |
476 | fActualRanks = false; | |
477 | fTopLineIndex = 0; | |
478 | loadLineData(); | |
479 | refreshTextArea(); | |
480 | } | |
481 | ||
d5efe032 | 482 | private void loadLineData() { |
7d048a33 | 483 | if (fTopLineIndex < 0) { |
7d048a33 | 484 | if (fLines.size() > 0 && fTrace.getLocationRatio(fLines.get(0).location) > 0) { |
d5efe032 | 485 | double lastRatio = fTrace.getLocationRatio(fLines.get(fLines.size() - 1).location); |
7d048a33 PT |
486 | double firstRatio = fTrace.getLocationRatio(fLines.get(0).location); |
487 | double delta; | |
488 | boolean singleEvent = false; | |
489 | if (firstRatio != lastRatio) { | |
490 | // approximate ratio of at least 20 items | |
491 | delta = Math.max(20, fNumVisibleLines) * (lastRatio - firstRatio) / (fLines.size() - 1); | |
492 | } else { | |
493 | delta = Math.pow(10, -15); | |
494 | singleEvent = true; | |
495 | } | |
496 | while (fTopLineIndex < 0) { | |
497 | ITmfLocation endLocation = fLines.get(0).location; | |
498 | firstRatio = Math.max(0, firstRatio - delta); | |
499 | ITmfContext context = fTrace.seekEvent(firstRatio); | |
500 | ITmfLocation location; | |
501 | int index = 0; | |
502 | long rank = 0; | |
503 | while (!context.getLocation().equals(endLocation)) { | |
504 | location = context.getLocation(); | |
505 | ITmfEvent event = fTrace.getNext(context); | |
506 | if (event == null) { | |
d5efe032 | 507 | break; |
7d048a33 PT |
508 | } |
509 | if (event.getContent() != null && event.getContent().getValue() != null) { | |
510 | String[] lines = event.getContent().getValue().toString().split("\r?\n"); //$NON-NLS-1$ | |
511 | for (int i = 0; i < lines.length; i++) { | |
512 | String line = lines[i]; | |
513 | LineData lineData = new LineData(rank, location, line); | |
514 | fLines.add(index++, lineData); | |
515 | fTopLineIndex++; | |
516 | fLastTopLineIndex++; | |
517 | } | |
518 | } else { | |
519 | LineData lineData = new LineData(rank, location, ""); //$NON-NLS-1$ | |
520 | fLines.add(index++, lineData); | |
521 | fTopLineIndex++; | |
522 | fLastTopLineIndex++; | |
523 | } | |
524 | rank++; | |
525 | } | |
e5f3e782 | 526 | context.dispose(); |
7d048a33 PT |
527 | long rankOffset = fLines.get(index).rank - rank; |
528 | for (int i = 0; i < index; i++) { | |
529 | fLines.get(i).rank += rankOffset; | |
530 | } | |
531 | if (firstRatio == 0) { | |
532 | break; | |
533 | } | |
534 | if (singleEvent) { | |
d5efe032 | 535 | delta = Math.min(delta * 10, 0.1); |
7d048a33 PT |
536 | } |
537 | } | |
538 | } | |
539 | if (fTopLineIndex < 0) { | |
540 | fTopLineIndex = 0; | |
541 | } | |
542 | } | |
543 | ||
d5efe032 AF |
544 | while (fLines.size() - fTopLineIndex < fNumVisibleLines) { |
545 | if (fBottomContext == null) { | |
546 | if (fLines.size() == 0) { | |
547 | fBottomContext = fTrace.seekEvent(0); | |
548 | } else { | |
d5efe032 AF |
549 | fBottomContext = fTrace.seekEvent(fLines.get(fLines.size() - 1).location); |
550 | fTrace.getNext(fBottomContext); | |
551 | } | |
552 | if (fBottomContext == null) { | |
553 | break; | |
554 | } | |
555 | } | |
7d048a33 PT |
556 | long rank = fBottomContext.getRank(); |
557 | ITmfLocation location = fBottomContext.getLocation() != null ? fBottomContext.getLocation() : null; | |
558 | ITmfEvent event = fTrace.getNext(fBottomContext); | |
559 | if (event == null) { | |
560 | break; | |
561 | } | |
562 | if (event.getContent() != null && event.getContent().getValue() != null) { | |
563 | for (String line : event.getContent().getValue().toString().split("\r?\n")) { //$NON-NLS-1$ | |
564 | int crPos; | |
565 | if ((crPos = line.indexOf('\r')) != -1) { | |
d5efe032 | 566 | line = line.substring(0, crPos); |
7d048a33 PT |
567 | } |
568 | LineData lineData = new LineData(rank, location, line); | |
569 | fLines.add(lineData); | |
570 | } | |
571 | } else { | |
572 | LineData lineData = new LineData(rank, location, ""); //$NON-NLS-1$ | |
573 | fLines.add(lineData); | |
574 | } | |
d5efe032 AF |
575 | } |
576 | fTopLineIndex = Math.max(0, Math.min(fTopLineIndex, fLines.size() - 1)); | |
577 | ||
578 | if (fLines.size() > MAX_LINE_DATA_SIZE) { | |
579 | if (fTopLineIndex < MAX_LINE_DATA_SIZE / 2) { | |
580 | long rank = fLines.get(MAX_LINE_DATA_SIZE - 1).rank; | |
581 | for (int i = MAX_LINE_DATA_SIZE; i < fLines.size(); i++) { | |
582 | if (fLines.get(i).rank > rank) { | |
583 | fLines.subList(i, fLines.size()).clear(); | |
e5f3e782 PT |
584 | if (fBottomContext != null) { |
585 | fBottomContext.dispose(); | |
586 | fBottomContext = null; | |
587 | } | |
d5efe032 AF |
588 | break; |
589 | } | |
590 | } | |
591 | } else { | |
592 | long rank = fLines.get(fLines.size() - MAX_LINE_DATA_SIZE).rank; | |
593 | for (int i = fLines.size() - MAX_LINE_DATA_SIZE - 1; i >= 0; i--) { | |
7d048a33 PT |
594 | if (fLines.get(i).rank < rank) { |
595 | fLines.subList(0, i + 1).clear(); | |
596 | fTopLineIndex -= (i + 1); | |
597 | fLastTopLineIndex -= (i + 1); | |
598 | break; | |
599 | } | |
d5efe032 AF |
600 | } |
601 | } | |
602 | } | |
603 | } | |
7d048a33 PT |
604 | |
605 | private void refreshTextArea() { | |
606 | fStyledText.setText(""); //$NON-NLS-1$ | |
607 | for (int i = 0; i < fLines.size() - fTopLineIndex && i < fNumVisibleLines; i++) { | |
608 | if (i > 0) | |
609 | { | |
610 | fStyledText.append("\n"); //$NON-NLS-1$ | |
611 | } | |
612 | LineData lineData = fLines.get(fTopLineIndex + i); | |
613 | fStyledText.append(lineData.string); | |
614 | setLineBackground(i, lineData); | |
615 | } | |
616 | fTextArea.layout(); | |
617 | fScrolledComposite.setMinSize(fTextArea.computeSize(SWT.DEFAULT, SWT.DEFAULT)); | |
618 | fLastTopLineIndex = fTopLineIndex; | |
619 | } | |
620 | ||
621 | private void fillTextArea() { | |
622 | int nextLine = fStyledText.getCharCount() == 0 ? 0 : fStyledText.getLineCount(); | |
623 | for (int i = nextLine; i < fLines.size() - fTopLineIndex && i < fNumVisibleLines; i++) { | |
624 | if (i > 0) | |
625 | { | |
626 | fStyledText.append("\n"); //$NON-NLS-1$ | |
627 | } | |
628 | LineData lineData = fLines.get(fTopLineIndex + i); | |
629 | fStyledText.append(lineData.string); | |
630 | setLineBackground(i, lineData); | |
631 | } | |
632 | int endLine = Math.min(fNumVisibleLines, fLines.size()); | |
633 | if (endLine < fStyledText.getLineCount()) { | |
d5efe032 AF |
634 | int endOffset = fStyledText.getOffsetAtLine(endLine) - 1; |
635 | if (endOffset > fStyledText.getCharCount()) { | |
7d048a33 | 636 | fHoldSelection++; |
d5efe032 | 637 | fStyledText.replaceTextRange(endOffset, fStyledText.getCharCount() - endOffset, ""); //$NON-NLS-1$ |
7d048a33 | 638 | fHoldSelection--; |
d5efe032 | 639 | } |
7d048a33 PT |
640 | } |
641 | fTextArea.layout(); | |
642 | fScrolledComposite.setMinSize(fTextArea.computeSize(SWT.DEFAULT, SWT.DEFAULT)); | |
643 | } | |
644 | ||
d5efe032 AF |
645 | private void updateTextArea() { |
646 | if (fTopLineIndex < fLastTopLineIndex) { | |
647 | StringBuffer insertedText = new StringBuffer(); | |
648 | for (int i = fTopLineIndex; i < fLastTopLineIndex; i++) { | |
649 | insertedText.append(fLines.get(i).string + "\n"); //$NON-NLS-1$ | |
650 | } | |
651 | fStyledText.replaceTextRange(0, 0, insertedText.toString()); | |
7d048a33 PT |
652 | for (int i = 0; i < fLastTopLineIndex - fTopLineIndex; i++) { |
653 | LineData lineData = fLines.get(fTopLineIndex + i); | |
654 | setLineBackground(i, lineData); | |
655 | } | |
d5efe032 AF |
656 | fLastTopLineIndex = fTopLineIndex; |
657 | } else if (fTopLineIndex > fLastTopLineIndex) { | |
658 | int length = 0; | |
659 | for (int i = 0; i < fTopLineIndex - fLastTopLineIndex && i < fNumVisibleLines; i++) { | |
660 | length += fLines.get(i + fLastTopLineIndex).string.length(); | |
661 | if (i < fStyledText.getLineCount()) { | |
7d048a33 PT |
662 | length += 1; |
663 | } | |
d5efe032 AF |
664 | } |
665 | fStyledText.replaceTextRange(0, length, ""); //$NON-NLS-1$ | |
7d048a33 PT |
666 | fLastTopLineIndex = fTopLineIndex; |
667 | fillTextArea(); | |
d5efe032 | 668 | } |
7d048a33 PT |
669 | int endLine = Math.min(fNumVisibleLines, fLines.size()); |
670 | if (endLine < fStyledText.getLineCount()) { | |
d5efe032 AF |
671 | int endOffset = fStyledText.getOffsetAtLine(endLine) - 1; |
672 | if (endOffset > fStyledText.getCharCount()) { | |
673 | fStyledText.replaceTextRange(endOffset, fStyledText.getCharCount() - endOffset, ""); //$NON-NLS-1$ | |
674 | } | |
7d048a33 | 675 | } |
d5efe032 AF |
676 | fTextArea.layout(); |
677 | fScrolledComposite.setMinSize(fTextArea.computeSize(SWT.DEFAULT, SWT.DEFAULT)); | |
678 | } | |
7d048a33 | 679 | |
d5efe032 | 680 | private void refreshLineBackgrounds() { |
7d048a33 PT |
681 | for (int i = 0; (i < fStyledText.getLineCount()) && (i < fNumVisibleLines) && (i < fLines.size() - fTopLineIndex); i++) { |
682 | LineData lineData = fLines.get(fTopLineIndex + i); | |
683 | setLineBackground(i, lineData); | |
684 | } | |
d5efe032 | 685 | } |
7d048a33 | 686 | |
d5efe032 | 687 | private void setLineBackground(int index, LineData lineData) { |
7d048a33 | 688 | if (lineData.location.equals(fSelectedLocation)) { |
332c750a | 689 | fStyledText.setLineBackground(index, 1, fSelectionColor); |
7d048a33 | 690 | } else if (lineData.rank == fHighlightedRank) { |
332c750a | 691 | fStyledText.setLineBackground(index, 1, fHighlightColor); |
7d048a33 PT |
692 | } else if (lineData.rank % 2 == 0) { |
693 | fStyledText.setLineBackground(index, 1, COLOR_BACKGROUND_EVEN); | |
694 | } else { | |
695 | fStyledText.setLineBackground(index, 1, COLOR_BACKGROUND_ODD); | |
696 | } | |
d5efe032 AF |
697 | } |
698 | ||
699 | private void storeCaretPosition(int time, int caretOffset) { | |
700 | if (fStoredCaretPosition[0].time == time) { | |
701 | fStoredCaretPosition[0].caretOffset = caretOffset; | |
702 | } else { | |
703 | fStoredCaretPosition[1] = fStoredCaretPosition[0]; | |
704 | fStoredCaretPosition[0] = new CaretPosition(time, caretOffset); | |
705 | } | |
706 | } | |
707 | ||
708 | private int getPreviousCaretOffset(int time) { | |
709 | if (fStoredCaretPosition[0].time == time) { | |
710 | return fStoredCaretPosition[1].caretOffset; | |
711 | } | |
7d048a33 | 712 | return fStoredCaretPosition[0].caretOffset; |
d5efe032 | 713 | } |
7d048a33 | 714 | |
d5efe032 | 715 | private void updateHighlightedRank() { |
7d048a33 PT |
716 | if (fCursorYCoordinate < 0 || fCursorYCoordinate > fStyledText.getSize().y) { |
717 | if (fHighlightedRank != Long.MIN_VALUE) { | |
718 | fHighlightedRank = Long.MIN_VALUE; | |
719 | refreshLineBackgrounds(); | |
720 | } | |
721 | return; | |
722 | } | |
723 | int offset = fStyledText.getOffsetAtLocation(new Point(0, fCursorYCoordinate)); | |
724 | int line = fStyledText.getLineAtOffset(offset); | |
725 | if (line < fLines.size() - fTopLineIndex) { | |
726 | LineData lineData = fLines.get(fTopLineIndex + line); | |
727 | if (fHighlightedRank != lineData.rank) { | |
728 | fHighlightedRank = lineData.rank; | |
729 | refreshLineBackgrounds(); | |
730 | } | |
731 | } else { | |
732 | if (fHighlightedRank != Long.MIN_VALUE) { | |
733 | fHighlightedRank = Long.MIN_VALUE; | |
734 | refreshLineBackgrounds(); | |
735 | } | |
736 | } | |
d5efe032 | 737 | } |
7d048a33 PT |
738 | |
739 | // ------------------------------------------------------------------------ | |
740 | // ControlListener (ScrolledComposite) | |
741 | // ------------------------------------------------------------------------ | |
742 | ||
743 | @Override | |
744 | public void controlResized(ControlEvent event) { | |
745 | int areaHeight = fScrolledComposite.getSize().y; | |
746 | if (fScrolledComposite.getHorizontalBar() != null) { | |
747 | areaHeight -= fScrolledComposite.getHorizontalBar().getSize().y; | |
748 | } | |
749 | int lineHeight = fStyledText.getLineHeight(); | |
750 | fNumVisibleLines = Math.max((areaHeight + lineHeight - 1) / lineHeight, 1); | |
751 | ||
752 | if (fBottomContext != null) { | |
753 | loadLineData(); | |
754 | fillTextArea(); | |
755 | } | |
756 | } | |
757 | ||
758 | @Override | |
759 | public void controlMoved(ControlEvent e) { | |
760 | } | |
761 | ||
762 | // ------------------------------------------------------------------------ | |
763 | // SelectionListener (Slider) | |
764 | // ------------------------------------------------------------------------ | |
765 | ||
766 | @Override | |
767 | public void widgetSelected(SelectionEvent e) { | |
d5efe032 | 768 | fTextArea.setFocus(); |
7d048a33 PT |
769 | if (fLines.size() == 0) { |
770 | return; | |
771 | } | |
7d048a33 PT |
772 | fHoldSelection++; |
773 | switch (e.detail) { | |
29ddb729 | 774 | case SWT.DRAG: |
7d048a33 | 775 | case SWT.NONE: { |
29ddb729 PT |
776 | if (e.widget == fSlider) { |
777 | /* | |
778 | * While the slider thumb is being dragged, only perform the | |
779 | * refresh periodically. The event detail during the drag is | |
780 | * SWT.DRAG on Windows and SWT.NONE on Linux. | |
781 | */ | |
782 | if (fSliderThrottler == null) { | |
783 | fSliderThrottler = new SliderThrottler(); | |
784 | fSliderThrottler.start(); | |
785 | } | |
786 | fHoldSelection = 0; | |
787 | return; | |
788 | } | |
789 | /* | |
790 | * The selection event was sent by the viewer, refresh now. | |
791 | */ | |
d5efe032 | 792 | if (fSlider.getSelection() == 0 || fSlider.getThumb() == SLIDER_MAX) { |
7d048a33 PT |
793 | fLines.clear(); |
794 | setTopPosition(0.0); | |
795 | break; | |
d5efe032 | 796 | } |
7d048a33 PT |
797 | double ratio = (double) fSlider.getSelection() / (SLIDER_MAX - fSlider.getThumb()); |
798 | double delta = Math.pow(10, -15); | |
799 | fLines.clear(); | |
800 | while (fLines.size() == 0) { | |
801 | setTopPosition(ratio); | |
802 | if (ratio == 0.0) { | |
803 | break; | |
804 | } | |
805 | delta = Math.min(delta * 10, 0.1); | |
806 | ratio = Math.max(ratio - delta, 0.0); | |
807 | } | |
808 | break; | |
809 | } | |
810 | case SWT.ARROW_DOWN: { | |
811 | if (fTopLineIndex >= fLines.size()) { | |
812 | break; | |
813 | } | |
814 | fTopLineIndex++; | |
815 | loadLineData(); | |
816 | updateTextArea(); | |
817 | break; | |
818 | } | |
819 | case SWT.PAGE_DOWN: { | |
820 | fTopLineIndex += Math.max(fNumVisibleLines - 1, 1); | |
821 | loadLineData(); | |
822 | updateTextArea(); | |
823 | break; | |
824 | } | |
825 | case SWT.ARROW_UP: { | |
72f6827e | 826 | if (fLines.size() == 0) { |
7d048a33 PT |
827 | break; |
828 | } | |
829 | fTopLineIndex--; | |
830 | loadLineData(); | |
831 | updateTextArea(); | |
832 | break; | |
833 | } | |
834 | case SWT.PAGE_UP: { | |
835 | fTopLineIndex -= Math.max(fNumVisibleLines - 1, 1); | |
836 | loadLineData(); | |
837 | updateTextArea(); | |
838 | break; | |
839 | } | |
840 | case SWT.HOME: { | |
7d048a33 PT |
841 | setTopPosition(0.0); |
842 | break; | |
843 | } | |
844 | case SWT.END: { | |
7d048a33 PT |
845 | double ratio = 1.0; |
846 | double delta = Math.pow(10, -15); | |
847 | fLines.clear(); | |
848 | while (fLines.size() == 0) { | |
849 | setTopPosition(ratio); | |
850 | if (ratio == 0.0) { | |
851 | break; | |
852 | } | |
853 | delta = Math.min(delta * 10, 0.1); | |
854 | ratio = Math.max(ratio - delta, 0.0); | |
855 | } | |
856 | break; | |
857 | } | |
858 | default: | |
859 | break; | |
860 | } | |
7d048a33 PT |
861 | if (e.detail != SWT.NONE) { |
862 | fSlider.setSelection((int) (SLIDER_MAX * fTrace.getLocationRatio(fLines.get(fTopLineIndex).location))); | |
863 | } | |
864 | ||
865 | fHoldSelection = 0; | |
866 | } | |
867 | ||
868 | @Override | |
869 | public void widgetDefaultSelected(SelectionEvent e) { | |
870 | } | |
871 | ||
872 | // ------------------------------------------------------------------------ | |
29ddb729 PT |
873 | // MouseListener (Slider) |
874 | // ------------------------------------------------------------------------ | |
875 | ||
876 | /** | |
0336f981 | 877 | * @since 1.1 |
29ddb729 PT |
878 | */ |
879 | @Override | |
880 | public void mouseDown(MouseEvent e) { | |
881 | } | |
882 | ||
883 | /** | |
0336f981 | 884 | * @since 1.1 |
29ddb729 PT |
885 | */ |
886 | @Override | |
887 | public void mouseUp(MouseEvent e) { | |
888 | if (e.button != 1) { | |
889 | return; | |
890 | } | |
891 | /* | |
892 | * When the mouse button is released, perform the refresh immediately | |
893 | * and interrupt and discard the slider throttler. | |
894 | */ | |
895 | if (fSliderThrottler != null) { | |
896 | fSliderThrottler.interrupt(); | |
897 | fSliderThrottler = null; | |
898 | } | |
899 | Event event = new Event(); | |
900 | event.widget = this; | |
901 | event.detail = SWT.NONE; | |
902 | widgetSelected(new SelectionEvent(event)); | |
903 | } | |
904 | ||
905 | /** | |
0336f981 | 906 | * @since 1.1 |
29ddb729 PT |
907 | */ |
908 | @Override | |
909 | public void mouseDoubleClick(MouseEvent e) { | |
910 | } | |
911 | ||
912 | // ------------------------------------------------------------------------ | |
7d048a33 PT |
913 | // KeyListener (StyledText) |
914 | // ------------------------------------------------------------------------ | |
915 | ||
916 | @Override | |
917 | public void keyPressed(KeyEvent e) { | |
918 | if (fLines.size() == 0) { | |
919 | return; | |
920 | } | |
921 | int caretOffset = fStyledText.getCaretOffset(); | |
922 | int previousCaretOffset = getPreviousCaretOffset(e.time); | |
923 | int previousLineAtCaretPosition = fStyledText.getLineAtOffset(previousCaretOffset); | |
924 | int previousColumnAtCaretPosition = getPreviousCaretOffset(e.time) - fStyledText.getOffsetAtLine(previousLineAtCaretPosition); | |
925 | switch (e.keyCode) { | |
926 | case SWT.ARROW_DOWN: { | |
927 | if (previousLineAtCaretPosition < (fNumVisibleLines - 2)) { | |
928 | break; | |
929 | } | |
930 | fHoldSelection++; | |
931 | fTopLineIndex++; | |
932 | loadLineData(); | |
933 | updateTextArea(); | |
934 | fHoldSelection--; | |
935 | LineData lineData = fLines.get(fTopLineIndex + fStyledText.getLineAtOffset(fStyledText.getCaretOffset())); | |
936 | if (!lineData.location.equals(fSelectedLocation)) { | |
937 | fSelectedLocation = lineData.location; | |
938 | refreshLineBackgrounds(); | |
939 | sendSelectionEvent(lineData); | |
940 | } | |
941 | break; | |
942 | } | |
943 | case SWT.PAGE_DOWN: { | |
944 | if (previousLineAtCaretPosition >= (fNumVisibleLines - 1)) { | |
945 | fHoldSelection++; | |
946 | if (fLines.get(fTopLineIndex + previousLineAtCaretPosition).rank % 2 == 0) { | |
947 | fStyledText.setLineBackground(previousLineAtCaretPosition, 1, COLOR_BACKGROUND_EVEN); | |
948 | } else { | |
949 | fStyledText.setLineBackground(previousLineAtCaretPosition, 1, COLOR_BACKGROUND_ODD); | |
950 | } | |
951 | fSelectedLocation = null; | |
952 | fTopLineIndex += Math.max(fNumVisibleLines - 1, 1); | |
953 | loadLineData(); | |
954 | updateTextArea(); | |
955 | fHoldSelection--; | |
956 | } | |
957 | int line = Math.min(fNumVisibleLines - 1, fStyledText.getLineCount() - 1); | |
958 | int offset = fStyledText.getOffsetAtLine(line); | |
959 | fStyledText.setSelection(offset + Math.min(previousColumnAtCaretPosition, fLines.get(fTopLineIndex + line).string.length())); | |
960 | break; | |
961 | } | |
962 | case SWT.ARROW_RIGHT: { | |
963 | if (previousCaretOffset < fStyledText.getCharCount() || previousLineAtCaretPosition < (fNumVisibleLines - 2)) { | |
964 | break; | |
965 | } | |
966 | fHoldSelection++; | |
967 | fTopLineIndex++; | |
968 | loadLineData(); | |
969 | updateTextArea(); | |
970 | fHoldSelection--; | |
971 | fStyledText.setSelection(fStyledText.getCaretOffset() + 1); | |
972 | break; | |
973 | } | |
974 | case SWT.ARROW_UP: { | |
975 | if (previousLineAtCaretPosition > 0) { | |
976 | break; | |
977 | } | |
72f6827e | 978 | if (fLines.size() == 0) { |
7d048a33 PT |
979 | break; |
980 | } | |
981 | fHoldSelection++; | |
982 | fTopLineIndex--; | |
983 | loadLineData(); | |
984 | updateTextArea(); | |
985 | fHoldSelection--; | |
986 | LineData lineData = fLines.get(fTopLineIndex); | |
987 | if (!lineData.location.equals(fSelectedLocation)) { | |
988 | fSelectedLocation = lineData.location; | |
989 | refreshLineBackgrounds(); | |
990 | sendSelectionEvent(lineData); | |
991 | } | |
992 | fStyledText.setSelection(caretOffset); | |
993 | break; | |
994 | } | |
995 | case SWT.PAGE_UP: { | |
996 | if (previousLineAtCaretPosition > 0) { | |
997 | break; | |
998 | } | |
999 | fHoldSelection++; | |
1000 | fTopLineIndex -= Math.max(fNumVisibleLines - 1, 1); | |
1001 | loadLineData(); | |
1002 | updateTextArea(); | |
1003 | fHoldSelection--; | |
1004 | LineData lineData = fLines.get(fTopLineIndex); | |
1005 | if (!lineData.location.equals(fSelectedLocation)) { | |
1006 | fSelectedLocation = lineData.location; | |
1007 | refreshLineBackgrounds(); | |
1008 | sendSelectionEvent(lineData); | |
1009 | } | |
1010 | fStyledText.setSelection(caretOffset); | |
1011 | break; | |
1012 | } | |
1013 | case SWT.ARROW_LEFT: { | |
1014 | if (previousCaretOffset > 0) { | |
1015 | break; | |
1016 | } | |
72f6827e | 1017 | if (fLines.size() == 0) { |
7d048a33 PT |
1018 | break; |
1019 | } | |
1020 | long topRank = fLines.get(fTopLineIndex).rank; | |
1021 | fHoldSelection++; | |
1022 | fTopLineIndex--; | |
1023 | loadLineData(); | |
1024 | updateTextArea(); | |
1025 | fHoldSelection--; | |
1026 | LineData lineData = fLines.get(fTopLineIndex); | |
1027 | if (!lineData.location.equals(fSelectedLocation)) { | |
1028 | fSelectedLocation = lineData.location; | |
1029 | refreshLineBackgrounds(); | |
1030 | sendSelectionEvent(lineData); | |
1031 | } | |
1032 | if (topRank != fLines.get(fTopLineIndex).rank) { | |
1033 | fStyledText.setSelection(fLines.get(fTopLineIndex).string.length()); | |
1034 | } | |
1035 | break; | |
1036 | } | |
1037 | case SWT.HOME: { | |
1038 | if ((e.stateMask & SWT.CTRL) == 0) { | |
1039 | break; | |
1040 | } | |
7d048a33 PT |
1041 | setTopPosition(0.0); |
1042 | LineData lineData = fLines.get(fTopLineIndex); | |
1043 | if (!lineData.location.equals(fSelectedLocation)) { | |
1044 | fSelectedLocation = lineData.location; | |
1045 | refreshLineBackgrounds(); | |
1046 | sendSelectionEvent(lineData); | |
1047 | } | |
1048 | break; | |
1049 | } | |
1050 | case SWT.END: { | |
1051 | if ((e.stateMask & SWT.CTRL) == 0) { | |
1052 | break; | |
1053 | } | |
7d048a33 PT |
1054 | double ratio = 1.0; |
1055 | double delta = Math.pow(10, -15); | |
1056 | fLines.clear(); | |
1057 | while (fLines.size() == 0) { | |
1058 | setTopPosition(ratio); | |
1059 | if (ratio == 0.0) { | |
1060 | break; | |
1061 | } | |
1062 | delta = Math.min(delta * 10, 0.1); | |
1063 | ratio = Math.max(ratio - delta, 0.0); | |
1064 | } | |
1065 | LineData lineData = fLines.get(fTopLineIndex); | |
1066 | if (!lineData.location.equals(fSelectedLocation)) { | |
1067 | fSelectedLocation = lineData.location; | |
1068 | refreshLineBackgrounds(); | |
1069 | sendSelectionEvent(lineData); | |
1070 | } | |
1071 | break; | |
1072 | } | |
1073 | default: | |
1074 | break; | |
1075 | } | |
7d048a33 PT |
1076 | updateHighlightedRank(); |
1077 | fSlider.setSelection((int) (SLIDER_MAX * fTrace.getLocationRatio(fLines.get(fTopLineIndex).location))); | |
1078 | } | |
1079 | ||
1080 | @Override | |
1081 | public void keyReleased(KeyEvent e) { | |
1082 | } | |
1083 | ||
1084 | // ------------------------------------------------------------------------ | |
1085 | // CaretListener (StyledText) | |
1086 | // ------------------------------------------------------------------------ | |
1087 | ||
1088 | @Override | |
1089 | public void caretMoved(CaretEvent event) { | |
1090 | if (fHoldSelection == 0) { | |
1091 | int line = fStyledText.getLineAtOffset(event.caretOffset); | |
1092 | if (fTopLineIndex + line < fLines.size()) { | |
1093 | LineData lineData = fLines.get(fTopLineIndex + line); | |
1094 | if (!lineData.location.equals(fSelectedLocation)) { | |
1095 | fSelectedLocation = lineData.location; | |
1096 | refreshLineBackgrounds(); | |
1097 | sendSelectionEvent(lineData); | |
1098 | } | |
1099 | } | |
1100 | } | |
1101 | storeCaretPosition(event.time, event.caretOffset); | |
1102 | if (fHoldSelection == 0) { | |
1103 | Point caret = fStyledText.getLocationAtOffset(fStyledText.getCaretOffset()); | |
1104 | Point origin = fScrolledComposite.getOrigin(); | |
1105 | if (origin.x > caret.x) { | |
1106 | origin.x = caret.x; | |
1107 | } else if (caret.x - origin.x > fScrolledComposite.getSize().x) { | |
1108 | origin.x = caret.x - fScrolledComposite.getSize().x + 1; | |
1109 | } | |
1110 | fScrolledComposite.setOrigin(origin); | |
1111 | } | |
1112 | } | |
1113 | ||
1114 | // ------------------------------------------------------------------------ | |
1115 | // MouseMoveListener (StyledText) | |
1116 | // ------------------------------------------------------------------------ | |
1117 | ||
1118 | @Override | |
1119 | public void mouseMove(MouseEvent e) { | |
1120 | fCursorYCoordinate = e.y; | |
1121 | if (e.y < 0 || e.y > fStyledText.getSize().y) { | |
1122 | if (fHighlightedRank != Long.MIN_VALUE) { | |
1123 | fHighlightedRank = Long.MIN_VALUE; | |
1124 | refreshLineBackgrounds(); | |
1125 | } | |
1126 | return; | |
1127 | } | |
1128 | int offset = fStyledText.getOffsetAtLocation(new Point(0, e.y)); | |
1129 | int line = fStyledText.getLineAtOffset(offset); | |
1130 | if (line < fLines.size() - fTopLineIndex) { | |
1131 | LineData lineData = fLines.get(fTopLineIndex + line); | |
1132 | if (fHighlightedRank != lineData.rank) { | |
1133 | fHighlightedRank = lineData.rank; | |
1134 | refreshLineBackgrounds(); | |
1135 | } | |
1136 | } else { | |
1137 | if (fHighlightedRank != Long.MIN_VALUE) { | |
1138 | fHighlightedRank = Long.MIN_VALUE; | |
1139 | refreshLineBackgrounds(); | |
1140 | } | |
1141 | } | |
1142 | } | |
1143 | ||
1144 | // ------------------------------------------------------------------------ | |
1145 | // MouseTrackListener (StyledText) | |
1146 | // ------------------------------------------------------------------------ | |
1147 | ||
1148 | @Override | |
1149 | public void mouseExit(MouseEvent e) { | |
1150 | fCursorYCoordinate = -1; | |
1151 | if (fHighlightedRank != Long.MIN_VALUE) { | |
1152 | fHighlightedRank = Long.MIN_VALUE; | |
1153 | refreshLineBackgrounds(); | |
1154 | } | |
1155 | } | |
1156 | ||
1157 | @Override | |
1158 | public void mouseEnter(MouseEvent e) { | |
1159 | fCursorYCoordinate = e.y; | |
1160 | } | |
1161 | ||
1162 | @Override | |
1163 | public void mouseHover(MouseEvent e) { | |
1164 | } | |
1165 | ||
1166 | // ------------------------------------------------------------------------ | |
1167 | // MouseWheelListener (StyledText) | |
1168 | // ------------------------------------------------------------------------ | |
1169 | ||
1170 | @Override | |
1171 | public void mouseScrolled(MouseEvent e) { | |
1172 | if (fLines.size() == 0) { | |
1173 | return; | |
1174 | } | |
1175 | fHoldSelection++; | |
1176 | fTopLineIndex -= e.count; | |
1177 | loadLineData(); | |
1178 | updateTextArea(); | |
1179 | fHoldSelection = 0; | |
7d048a33 PT |
1180 | updateHighlightedRank(); |
1181 | fSlider.setSelection((int) (SLIDER_MAX * fTrace.getLocationRatio(fLines.get(fTopLineIndex).location))); | |
1182 | } | |
1183 | ||
1184 | } |