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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 PT |
116 | if (string.length() == 0) { |
117 | this.string = " "; // workaround for setLineBackground has no effect on empty line //$NON-NLS-1$ | |
118 | } else { | |
119 | this.string = string; | |
120 | } | |
d5efe032 | 121 | } |
7d048a33 PT |
122 | @Override |
123 | public String toString() { | |
124 | return rank + " [" + location + "]: " + string; //$NON-NLS-1$ //$NON-NLS-2$ | |
125 | } | |
d5efe032 AF |
126 | } |
127 | ||
128 | private static class CaretPosition { | |
129 | int time; | |
130 | int caretOffset; | |
131 | public CaretPosition(int time, int caretOffset) { | |
132 | this.time = time; | |
133 | this.caretOffset = caretOffset; | |
134 | } | |
135 | } | |
136 | ||
29ddb729 PT |
137 | private class SliderThrottler extends Thread { |
138 | private static final long DELAY = 400L; | |
139 | private static final long POLLING_INTERVAL = 10L; | |
140 | ||
141 | @Override | |
142 | public void run() { | |
143 | final long startTime = System.currentTimeMillis(); | |
144 | while ((System.currentTimeMillis() - startTime) < DELAY) { | |
145 | try { | |
146 | Thread.sleep(POLLING_INTERVAL); | |
147 | } catch (InterruptedException e) { | |
148 | } | |
149 | } | |
150 | Display.getDefault().asyncExec(new Runnable() { | |
151 | @Override | |
152 | public void run() { | |
153 | if (fSliderThrottler != SliderThrottler.this) { | |
154 | return; | |
155 | } | |
156 | fSliderThrottler = null; | |
157 | if (SliderThrottler.this.isInterrupted() || fSlider.isDisposed()) { | |
158 | return; | |
159 | } | |
160 | Event event = new Event(); | |
161 | event.widget = TmfRawEventViewer.this; | |
162 | event.detail = SWT.NONE; | |
163 | widgetSelected(new SelectionEvent(event)); | |
164 | } | |
165 | }); | |
166 | } | |
167 | } | |
168 | ||
d5efe032 AF |
169 | // ------------------------------------------------------------------------ |
170 | // Constructor | |
171 | // ------------------------------------------------------------------------ | |
172 | ||
173 | /** | |
174 | * Constructor | |
175 | * @param parent The parent composite | |
176 | * @param style The style bits | |
177 | */ | |
178 | public TmfRawEventViewer(Composite parent, int style) { | |
179 | super(parent, style & (~SWT.H_SCROLL) & (~SWT.V_SCROLL)); | |
180 | ||
181 | // Set the layout | |
182 | GridLayout gridLayout = new GridLayout(); | |
183 | gridLayout.numColumns = 2; | |
184 | gridLayout.horizontalSpacing = 0; | |
185 | gridLayout.verticalSpacing = 0; | |
7d048a33 PT |
186 | gridLayout.marginWidth = 0; |
187 | gridLayout.marginHeight = 0; | |
d5efe032 | 188 | setLayout(gridLayout); |
7d048a33 | 189 | |
d5efe032 AF |
190 | // Create the controls |
191 | createTextArea(style & SWT.H_SCROLL); | |
192 | createSlider(style & SWT.V_SCROLL); | |
7d048a33 | 193 | |
d5efe032 AF |
194 | // Prevent the slider from being traversed |
195 | setTabList(new Control[] { fScrolledComposite }); | |
196 | } | |
7d048a33 PT |
197 | |
198 | @Override | |
d5efe032 | 199 | public void dispose() { |
812e7197 | 200 | PlatformUI.getWorkbench().getThemeManager().removePropertyChangeListener(this); |
d5efe032 AF |
201 | super.dispose(); |
202 | } | |
7d048a33 | 203 | |
812e7197 | 204 | // ------------------------------------------------------------------------ |
332c750a | 205 | // Font and color handling |
812e7197 PT |
206 | // ------------------------------------------------------------------------ |
207 | ||
208 | /** | |
209 | * Initialize the fonts. | |
210 | * @since 1.0 | |
211 | */ | |
212 | protected void initializeFonts() { | |
213 | FontRegistry fontRegistry = PlatformUI.getWorkbench().getThemeManager().getCurrentTheme().getFontRegistry(); | |
214 | fFixedFont = fontRegistry.get(FONT_DEFINITION_ID); | |
215 | fStyledText.setFont(fFixedFont); | |
216 | } | |
217 | ||
332c750a PT |
218 | /** |
219 | * Initialize the colors. | |
34c87ae8 | 220 | * @since 2.0 |
332c750a PT |
221 | */ |
222 | protected void initializeColors() { | |
223 | ColorRegistry colorRegistry = PlatformUI.getWorkbench().getThemeManager().getCurrentTheme().getColorRegistry(); | |
224 | fHighlightColor = colorRegistry.get(HIGHLIGHT_COLOR_DEFINITION_ID); | |
225 | fSelectionColor = colorRegistry.get(SELECTION_COLOR_DEFINITION_ID); | |
226 | } | |
227 | ||
812e7197 PT |
228 | /** |
229 | * @since 1.0 | |
230 | */ | |
231 | @Override | |
232 | public void propertyChange(PropertyChangeEvent event) { | |
233 | if ((IThemeManager.CHANGE_CURRENT_THEME.equals(event.getProperty())) || | |
234 | (FONT_DEFINITION_ID.equals(event.getProperty()))) { | |
235 | initializeFonts(); | |
236 | refreshTextArea(); | |
237 | } | |
332c750a PT |
238 | if ((IThemeManager.CHANGE_CURRENT_THEME.equals(event.getProperty())) || |
239 | (HIGHLIGHT_COLOR_DEFINITION_ID.equals(event.getProperty())) || | |
240 | (SELECTION_COLOR_DEFINITION_ID.equals(event.getProperty()))) { | |
241 | initializeColors(); | |
242 | refreshTextArea(); | |
243 | } | |
812e7197 PT |
244 | } |
245 | ||
d5efe032 AF |
246 | // ------------------------------------------------------------------------ |
247 | // Text area handling | |
248 | // ------------------------------------------------------------------------ | |
7d048a33 PT |
249 | |
250 | /** | |
d5efe032 AF |
251 | * Create the text area and add listeners |
252 | */ | |
253 | private void createTextArea(int style) { | |
254 | fScrolledComposite = new ScrolledComposite(this, style); | |
255 | fScrolledComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); | |
256 | fTextArea = new Composite(fScrolledComposite, SWT.NONE); | |
7d048a33 PT |
257 | fTextArea.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); |
258 | fScrolledComposite.setContent(fTextArea); | |
259 | fScrolledComposite.setExpandHorizontal(true); | |
260 | fScrolledComposite.setExpandVertical(true); | |
261 | fScrolledComposite.setAlwaysShowScrollBars(true); | |
262 | fScrolledComposite.setMinSize(fTextArea.computeSize(SWT.DEFAULT, SWT.DEFAULT)); | |
263 | fScrolledComposite.addControlListener(this); | |
264 | ||
265 | GridLayout textAreaGridLayout = new GridLayout(); | |
266 | textAreaGridLayout.marginHeight = 0; | |
267 | textAreaGridLayout.marginWidth = 0; | |
268 | fTextArea.setLayout(textAreaGridLayout); | |
269 | ||
7d048a33 | 270 | fStyledText = new StyledText(fTextArea, SWT.READ_ONLY); |
7d048a33 PT |
271 | fStyledText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false)); |
272 | ||
812e7197 | 273 | initializeFonts(); |
332c750a | 274 | initializeColors(); |
812e7197 PT |
275 | PlatformUI.getWorkbench().getThemeManager().addPropertyChangeListener(this); |
276 | ||
7d048a33 PT |
277 | fStyledText.addCaretListener(this); |
278 | fStyledText.addMouseMoveListener(this); | |
279 | fStyledText.addMouseTrackListener(this); | |
280 | fStyledText.addMouseWheelListener(this); | |
281 | fStyledText.addListener(SWT.MouseWheel, new Listener() { // disable mouse scroll of horizontal scroll bar | |
282 | @Override | |
283 | public void handleEvent(Event event) { event.doit = false; }}); | |
284 | fStyledText.addKeyListener(this); | |
285 | ||
286 | fTextArea.setBackground(fStyledText.getBackground()); | |
287 | fTextArea.addMouseListener(new MouseAdapter() { | |
d5efe032 | 288 | @Override |
7d048a33 | 289 | public void mouseDown(MouseEvent e) { |
d5efe032 | 290 | fTextArea.setFocus(); |
7d048a33 | 291 | }}); |
d5efe032 | 292 | } |
7d048a33 | 293 | |
d5efe032 AF |
294 | // ------------------------------------------------------------------------ |
295 | // Slider handling | |
296 | // ------------------------------------------------------------------------ | |
7d048a33 | 297 | |
d5efe032 AF |
298 | private void createSlider(int style) { |
299 | fSlider = new Slider(this, SWT.VERTICAL); | |
7d048a33 PT |
300 | fSlider.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, true)); |
301 | fSlider.setValues(0, 0, SLIDER_MAX, SLIDER_MAX, 1, 1); | |
d5efe032 | 302 | fSlider.addSelectionListener(this); |
29ddb729 | 303 | fSlider.addMouseListener(this); |
7d048a33 PT |
304 | if ((style & SWT.V_SCROLL) == 0) { |
305 | fSlider.setVisible(false); | |
306 | } | |
d5efe032 | 307 | } |
7d048a33 | 308 | |
d5efe032 AF |
309 | // ------------------------------------------------------------------------ |
310 | // Controls interactions | |
311 | // ------------------------------------------------------------------------ | |
7d048a33 | 312 | |
d5efe032 AF |
313 | @Override |
314 | public boolean setFocus() { | |
315 | boolean isVisible = isVisible(); | |
316 | if (isVisible) { | |
317 | fTextArea.setFocus(); | |
318 | } | |
319 | return isVisible; | |
320 | } | |
7d048a33 PT |
321 | |
322 | @Override | |
323 | public void setMenu(Menu menu) { | |
324 | fStyledText.setMenu(menu); | |
325 | } | |
326 | ||
327 | /** | |
328 | * Sets the trace and updates the content | |
329 | * @param trace The trace to set | |
330 | */ | |
331 | public void setTrace(ITmfTrace trace) { | |
d5efe032 AF |
332 | fTrace = trace; |
333 | fTopLineIndex = 0; | |
334 | fLines.clear(); | |
335 | refreshEventCount(); | |
336 | } | |
7d048a33 PT |
337 | |
338 | /** | |
339 | * Refreshes the event count, updates the slider thumb and loads display | |
340 | */ | |
d5efe032 AF |
341 | public void refreshEventCount() { |
342 | if (fTrace != null) { | |
343 | if (fTrace.getNbEvents() > 0) { | |
344 | fSlider.setThumb((int) Math.max(SLIDER_MAX / fTrace.getNbEvents(), 1)); | |
345 | } else { | |
346 | fSlider.setThumb(SLIDER_MAX); | |
347 | } | |
348 | ||
349 | if (!isVisible()) { | |
7d048a33 PT |
350 | return; |
351 | } | |
352 | ||
d5efe032 AF |
353 | if (fLines.size() == 0) { |
354 | setTopRank(0); | |
355 | } else if (fLines.size() < fNumVisibleLines) { | |
356 | fBottomContext = null; | |
357 | loadLineData(); | |
358 | fillTextArea(); | |
359 | //fSlider.setSelection((int) (SLIDER_MAX * ((double) fLines.get(fTopLineIndex).rank / fTrace.getNbEvents()))); | |
360 | fSlider.setSelection((int) (SLIDER_MAX * fTrace.getLocationRatio(fLines.get(fTopLineIndex).location))); | |
361 | } | |
7d048a33 PT |
362 | } else { |
363 | fBottomContext = null; | |
364 | fillTextArea(); | |
365 | fSlider.setThumb(SLIDER_MAX); | |
366 | fSlider.setSelection(0); | |
d5efe032 AF |
367 | } |
368 | } | |
7d048a33 | 369 | |
d5efe032 AF |
370 | /** |
371 | * Selects the event of given rank and makes it visible. | |
372 | * @param rank The rank of event | |
373 | */ | |
7d048a33 PT |
374 | public void selectAndReveal(long rank) { |
375 | if (fTrace == null || !isVisible()) { | |
376 | return; | |
377 | } | |
378 | if (fActualRanks && fTopLineIndex < fLines.size() && rank >= fLines.get(fTopLineIndex).rank) { | |
379 | int lastVisibleIndex = Math.min(fTopLineIndex + fNumVisibleLines, fLines.size()) - 1; | |
380 | if (rank <= fLines.get(lastVisibleIndex).rank) { | |
381 | for (int i = fTopLineIndex; i < fLines.size(); i++) { | |
382 | if (fLines.get(i).rank == rank) { | |
383 | fSelectedLocation = fLines.get(i).location; | |
384 | break; | |
385 | } | |
386 | } | |
387 | refreshLineBackgrounds(); | |
388 | return; | |
389 | } | |
390 | } | |
391 | setTopRank(rank); | |
392 | if (fLines.size() > 0 && fHoldSelection == 0) { | |
393 | fSelectedLocation = fLines.get(0).location; | |
394 | refreshLineBackgrounds(); | |
395 | } | |
396 | } | |
397 | ||
398 | /** | |
399 | * Add a selection listener | |
400 | * @param listener A listener to add | |
401 | */ | |
402 | public void addSelectionListener(Listener listener) { | |
403 | checkWidget(); | |
404 | if (listener == null) { | |
405 | SWT.error (SWT.ERROR_NULL_ARGUMENT); | |
406 | } | |
407 | addListener (SWT.Selection, listener); | |
408 | } | |
409 | ||
410 | /** | |
411 | * Remove selection listener | |
412 | * @param listener A listener to remove | |
413 | */ | |
414 | public void removeSelectionListener(Listener listener) { | |
415 | checkWidget(); | |
416 | if (listener == null) { | |
417 | SWT.error (SWT.ERROR_NULL_ARGUMENT); | |
418 | } | |
419 | removeListener(SWT.Selection, listener); | |
420 | } | |
421 | ||
422 | private void sendSelectionEvent(LineData lineData) { | |
423 | Event event = new Event(); | |
424 | if (fActualRanks) { | |
425 | event.data = Long.valueOf(lineData.rank); | |
426 | } else { | |
427 | event.data = lineData.location; | |
428 | } | |
429 | notifyListeners(SWT.Selection, event); | |
430 | } | |
431 | ||
432 | private void setTopRank(long rank) { | |
433 | fBottomContext = fTrace.seekEvent(rank); | |
434 | if (fBottomContext == null) { | |
435 | return; | |
436 | } | |
437 | fLines.clear(); | |
438 | fActualRanks = true; | |
439 | fTopLineIndex = 0; | |
440 | loadLineData(); | |
441 | refreshTextArea(); | |
442 | if (fLines.size() == 0) { | |
443 | fSlider.setSelection(0); | |
444 | } else { | |
445 | //fSlider.setSelection((int) (SLIDER_MAX * ((double) fLines.get(fTopLineIndex).rank / fTrace.getNbEvents()))); | |
446 | fSlider.setSelection((int) (SLIDER_MAX * fTrace.getLocationRatio(fLines.get(fTopLineIndex).location))); | |
447 | } | |
448 | } | |
449 | ||
450 | private void setTopPosition(double ratio) { | |
451 | fBottomContext = fTrace.seekEvent(ratio); | |
452 | if (fBottomContext == null) { | |
453 | return; | |
454 | } | |
455 | fBottomContext.setRank(0); | |
456 | fLines.clear(); | |
457 | fActualRanks = false; | |
458 | fTopLineIndex = 0; | |
459 | loadLineData(); | |
460 | refreshTextArea(); | |
461 | } | |
462 | ||
d5efe032 | 463 | private void loadLineData() { |
7d048a33 PT |
464 | if (fTopLineIndex < 0) { |
465 | //if (fLines.size() > 0 && fLines.get(0).rank > 0) { | |
466 | //long endRank = fLines.get(0).rank; | |
467 | //long startRank = Math.max(0, endRank - fNumVisibleLines); | |
468 | //TmfContext context = fTrace.seekEvent(startRank); | |
469 | //int index = 0; | |
470 | //while (context.getRank() < endRank) { | |
471 | //long rank = context.getRank(); | |
472 | //ITmfLocation<?> location = context.getLocation(); | |
473 | //TmfEvent event = fTrace.getNextEvent(context); | |
474 | //String[] lines = event.getRawText().split("\r?\n"); | |
475 | //for (int i = 0; i < lines.length; i++) { | |
476 | //String line = lines[i]; | |
477 | //LineData lineData = new LineData(rank, location, line); | |
478 | //fLines.add(index++, lineData); | |
479 | //fTopLineIndex++; | |
480 | //fLastTopLineIndex++; | |
481 | //} | |
482 | //} | |
483 | //} | |
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 | } | |
526 | long rankOffset = fLines.get(index).rank - rank; | |
527 | for (int i = 0; i < index; i++) { | |
528 | fLines.get(i).rank += rankOffset; | |
529 | } | |
530 | if (firstRatio == 0) { | |
531 | break; | |
532 | } | |
533 | if (singleEvent) { | |
d5efe032 | 534 | delta = Math.min(delta * 10, 0.1); |
7d048a33 PT |
535 | } |
536 | } | |
537 | } | |
538 | if (fTopLineIndex < 0) { | |
539 | fTopLineIndex = 0; | |
540 | } | |
541 | } | |
542 | ||
d5efe032 AF |
543 | while (fLines.size() - fTopLineIndex < fNumVisibleLines) { |
544 | if (fBottomContext == null) { | |
545 | if (fLines.size() == 0) { | |
546 | fBottomContext = fTrace.seekEvent(0); | |
547 | } else { | |
7d048a33 | 548 | //fBottomContext = fTrace.seekEvent(fLines.get(fLines.size() - 1).rank + 1); |
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(); | |
584 | fBottomContext = null; | |
585 | break; | |
586 | } | |
587 | } | |
588 | } else { | |
589 | long rank = fLines.get(fLines.size() - MAX_LINE_DATA_SIZE).rank; | |
590 | for (int i = fLines.size() - MAX_LINE_DATA_SIZE - 1; i >= 0; i--) { | |
7d048a33 PT |
591 | if (fLines.get(i).rank < rank) { |
592 | fLines.subList(0, i + 1).clear(); | |
593 | fTopLineIndex -= (i + 1); | |
594 | fLastTopLineIndex -= (i + 1); | |
595 | break; | |
596 | } | |
d5efe032 AF |
597 | } |
598 | } | |
599 | } | |
600 | } | |
7d048a33 PT |
601 | |
602 | private void refreshTextArea() { | |
603 | fStyledText.setText(""); //$NON-NLS-1$ | |
604 | for (int i = 0; i < fLines.size() - fTopLineIndex && i < fNumVisibleLines; i++) { | |
605 | if (i > 0) | |
606 | { | |
607 | fStyledText.append("\n"); //$NON-NLS-1$ | |
608 | } | |
609 | LineData lineData = fLines.get(fTopLineIndex + i); | |
610 | fStyledText.append(lineData.string); | |
611 | setLineBackground(i, lineData); | |
612 | } | |
613 | fTextArea.layout(); | |
614 | fScrolledComposite.setMinSize(fTextArea.computeSize(SWT.DEFAULT, SWT.DEFAULT)); | |
615 | fLastTopLineIndex = fTopLineIndex; | |
616 | } | |
617 | ||
618 | private void fillTextArea() { | |
619 | int nextLine = fStyledText.getCharCount() == 0 ? 0 : fStyledText.getLineCount(); | |
620 | for (int i = nextLine; i < fLines.size() - fTopLineIndex && i < fNumVisibleLines; i++) { | |
621 | if (i > 0) | |
622 | { | |
623 | fStyledText.append("\n"); //$NON-NLS-1$ | |
624 | } | |
625 | LineData lineData = fLines.get(fTopLineIndex + i); | |
626 | fStyledText.append(lineData.string); | |
627 | setLineBackground(i, lineData); | |
628 | } | |
629 | int endLine = Math.min(fNumVisibleLines, fLines.size()); | |
630 | if (endLine < fStyledText.getLineCount()) { | |
d5efe032 AF |
631 | int endOffset = fStyledText.getOffsetAtLine(endLine) - 1; |
632 | if (endOffset > fStyledText.getCharCount()) { | |
7d048a33 | 633 | fHoldSelection++; |
d5efe032 | 634 | fStyledText.replaceTextRange(endOffset, fStyledText.getCharCount() - endOffset, ""); //$NON-NLS-1$ |
7d048a33 | 635 | fHoldSelection--; |
d5efe032 | 636 | } |
7d048a33 PT |
637 | } |
638 | fTextArea.layout(); | |
639 | fScrolledComposite.setMinSize(fTextArea.computeSize(SWT.DEFAULT, SWT.DEFAULT)); | |
640 | } | |
641 | ||
d5efe032 AF |
642 | private void updateTextArea() { |
643 | if (fTopLineIndex < fLastTopLineIndex) { | |
644 | StringBuffer insertedText = new StringBuffer(); | |
645 | for (int i = fTopLineIndex; i < fLastTopLineIndex; i++) { | |
646 | insertedText.append(fLines.get(i).string + "\n"); //$NON-NLS-1$ | |
647 | } | |
648 | fStyledText.replaceTextRange(0, 0, insertedText.toString()); | |
7d048a33 PT |
649 | for (int i = 0; i < fLastTopLineIndex - fTopLineIndex; i++) { |
650 | LineData lineData = fLines.get(fTopLineIndex + i); | |
651 | setLineBackground(i, lineData); | |
652 | } | |
d5efe032 AF |
653 | fLastTopLineIndex = fTopLineIndex; |
654 | } else if (fTopLineIndex > fLastTopLineIndex) { | |
655 | int length = 0; | |
656 | for (int i = 0; i < fTopLineIndex - fLastTopLineIndex && i < fNumVisibleLines; i++) { | |
657 | length += fLines.get(i + fLastTopLineIndex).string.length(); | |
658 | if (i < fStyledText.getLineCount()) { | |
7d048a33 PT |
659 | length += 1; |
660 | } | |
d5efe032 AF |
661 | } |
662 | fStyledText.replaceTextRange(0, length, ""); //$NON-NLS-1$ | |
7d048a33 PT |
663 | fLastTopLineIndex = fTopLineIndex; |
664 | fillTextArea(); | |
d5efe032 | 665 | } |
7d048a33 PT |
666 | int endLine = Math.min(fNumVisibleLines, fLines.size()); |
667 | if (endLine < fStyledText.getLineCount()) { | |
d5efe032 AF |
668 | int endOffset = fStyledText.getOffsetAtLine(endLine) - 1; |
669 | if (endOffset > fStyledText.getCharCount()) { | |
670 | fStyledText.replaceTextRange(endOffset, fStyledText.getCharCount() - endOffset, ""); //$NON-NLS-1$ | |
671 | } | |
7d048a33 | 672 | } |
d5efe032 AF |
673 | fTextArea.layout(); |
674 | fScrolledComposite.setMinSize(fTextArea.computeSize(SWT.DEFAULT, SWT.DEFAULT)); | |
675 | } | |
7d048a33 | 676 | |
d5efe032 | 677 | private void refreshLineBackgrounds() { |
7d048a33 PT |
678 | for (int i = 0; (i < fStyledText.getLineCount()) && (i < fNumVisibleLines) && (i < fLines.size() - fTopLineIndex); i++) { |
679 | LineData lineData = fLines.get(fTopLineIndex + i); | |
680 | setLineBackground(i, lineData); | |
681 | } | |
d5efe032 | 682 | } |
7d048a33 | 683 | |
d5efe032 | 684 | private void setLineBackground(int index, LineData lineData) { |
7d048a33 | 685 | if (lineData.location.equals(fSelectedLocation)) { |
332c750a | 686 | fStyledText.setLineBackground(index, 1, fSelectionColor); |
7d048a33 | 687 | } else if (lineData.rank == fHighlightedRank) { |
332c750a | 688 | fStyledText.setLineBackground(index, 1, fHighlightColor); |
7d048a33 PT |
689 | } else if (lineData.rank % 2 == 0) { |
690 | fStyledText.setLineBackground(index, 1, COLOR_BACKGROUND_EVEN); | |
691 | } else { | |
692 | fStyledText.setLineBackground(index, 1, COLOR_BACKGROUND_ODD); | |
693 | } | |
d5efe032 AF |
694 | } |
695 | ||
696 | private void storeCaretPosition(int time, int caretOffset) { | |
697 | if (fStoredCaretPosition[0].time == time) { | |
698 | fStoredCaretPosition[0].caretOffset = caretOffset; | |
699 | } else { | |
700 | fStoredCaretPosition[1] = fStoredCaretPosition[0]; | |
701 | fStoredCaretPosition[0] = new CaretPosition(time, caretOffset); | |
702 | } | |
703 | } | |
704 | ||
705 | private int getPreviousCaretOffset(int time) { | |
706 | if (fStoredCaretPosition[0].time == time) { | |
707 | return fStoredCaretPosition[1].caretOffset; | |
708 | } | |
7d048a33 | 709 | return fStoredCaretPosition[0].caretOffset; |
d5efe032 | 710 | } |
7d048a33 | 711 | |
d5efe032 | 712 | private void updateHighlightedRank() { |
7d048a33 PT |
713 | if (fCursorYCoordinate < 0 || fCursorYCoordinate > fStyledText.getSize().y) { |
714 | if (fHighlightedRank != Long.MIN_VALUE) { | |
715 | fHighlightedRank = Long.MIN_VALUE; | |
716 | refreshLineBackgrounds(); | |
717 | } | |
718 | return; | |
719 | } | |
720 | int offset = fStyledText.getOffsetAtLocation(new Point(0, fCursorYCoordinate)); | |
721 | int line = fStyledText.getLineAtOffset(offset); | |
722 | if (line < fLines.size() - fTopLineIndex) { | |
723 | LineData lineData = fLines.get(fTopLineIndex + line); | |
724 | if (fHighlightedRank != lineData.rank) { | |
725 | fHighlightedRank = lineData.rank; | |
726 | refreshLineBackgrounds(); | |
727 | } | |
728 | } else { | |
729 | if (fHighlightedRank != Long.MIN_VALUE) { | |
730 | fHighlightedRank = Long.MIN_VALUE; | |
731 | refreshLineBackgrounds(); | |
732 | } | |
733 | } | |
d5efe032 | 734 | } |
7d048a33 PT |
735 | |
736 | // ------------------------------------------------------------------------ | |
737 | // ControlListener (ScrolledComposite) | |
738 | // ------------------------------------------------------------------------ | |
739 | ||
740 | @Override | |
741 | public void controlResized(ControlEvent event) { | |
742 | int areaHeight = fScrolledComposite.getSize().y; | |
743 | if (fScrolledComposite.getHorizontalBar() != null) { | |
744 | areaHeight -= fScrolledComposite.getHorizontalBar().getSize().y; | |
745 | } | |
746 | int lineHeight = fStyledText.getLineHeight(); | |
747 | fNumVisibleLines = Math.max((areaHeight + lineHeight - 1) / lineHeight, 1); | |
748 | ||
749 | if (fBottomContext != null) { | |
750 | loadLineData(); | |
751 | fillTextArea(); | |
752 | } | |
753 | } | |
754 | ||
755 | @Override | |
756 | public void controlMoved(ControlEvent e) { | |
757 | } | |
758 | ||
759 | // ------------------------------------------------------------------------ | |
760 | // SelectionListener (Slider) | |
761 | // ------------------------------------------------------------------------ | |
762 | ||
763 | @Override | |
764 | public void widgetSelected(SelectionEvent e) { | |
d5efe032 | 765 | fTextArea.setFocus(); |
7d048a33 PT |
766 | if (fLines.size() == 0) { |
767 | return; | |
768 | } | |
7d048a33 PT |
769 | fHoldSelection++; |
770 | switch (e.detail) { | |
29ddb729 | 771 | case SWT.DRAG: |
7d048a33 | 772 | case SWT.NONE: { |
29ddb729 PT |
773 | if (e.widget == fSlider) { |
774 | /* | |
775 | * While the slider thumb is being dragged, only perform the | |
776 | * refresh periodically. The event detail during the drag is | |
777 | * SWT.DRAG on Windows and SWT.NONE on Linux. | |
778 | */ | |
779 | if (fSliderThrottler == null) { | |
780 | fSliderThrottler = new SliderThrottler(); | |
781 | fSliderThrottler.start(); | |
782 | } | |
783 | fHoldSelection = 0; | |
784 | return; | |
785 | } | |
786 | /* | |
787 | * The selection event was sent by the viewer, refresh now. | |
788 | */ | |
7d048a33 PT |
789 | //long rank = (long) (fTrace.getNbEvents() * ((double) fSlider.getSelection() / SLIDER_MAX)); |
790 | //setTopRank(rank); | |
d5efe032 | 791 | if (fSlider.getSelection() == 0 || fSlider.getThumb() == SLIDER_MAX) { |
7d048a33 PT |
792 | fLines.clear(); |
793 | setTopPosition(0.0); | |
794 | break; | |
d5efe032 | 795 | } |
7d048a33 PT |
796 | double ratio = (double) fSlider.getSelection() / (SLIDER_MAX - fSlider.getThumb()); |
797 | double delta = Math.pow(10, -15); | |
798 | fLines.clear(); | |
799 | while (fLines.size() == 0) { | |
800 | setTopPosition(ratio); | |
801 | if (ratio == 0.0) { | |
802 | break; | |
803 | } | |
804 | delta = Math.min(delta * 10, 0.1); | |
805 | ratio = Math.max(ratio - delta, 0.0); | |
806 | } | |
807 | break; | |
808 | } | |
809 | case SWT.ARROW_DOWN: { | |
810 | if (fTopLineIndex >= fLines.size()) { | |
811 | break; | |
812 | } | |
813 | fTopLineIndex++; | |
814 | loadLineData(); | |
815 | updateTextArea(); | |
816 | break; | |
817 | } | |
818 | case SWT.PAGE_DOWN: { | |
819 | fTopLineIndex += Math.max(fNumVisibleLines - 1, 1); | |
820 | loadLineData(); | |
821 | updateTextArea(); | |
822 | break; | |
823 | } | |
824 | case SWT.ARROW_UP: { | |
825 | //if (fLines.size() == 0 || (fTopLineIndex == 0 && fLines.get(0).rank == 0)) { | |
826 | if (fLines.size() == 0) {// || (fTopLineIndex == 0 && fLines.get(0).rank == 0)) { | |
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: { | |
841 | //selectAndReveal(0); | |
842 | setTopPosition(0.0); | |
843 | break; | |
844 | } | |
845 | case SWT.END: { | |
846 | //if (fTrace.getNbEvents() > 0) { | |
847 | //selectAndReveal(fTrace.getNbEvents() - 1); | |
848 | //} | |
849 | double ratio = 1.0; | |
850 | double delta = Math.pow(10, -15); | |
851 | fLines.clear(); | |
852 | while (fLines.size() == 0) { | |
853 | setTopPosition(ratio); | |
854 | if (ratio == 0.0) { | |
855 | break; | |
856 | } | |
857 | delta = Math.min(delta * 10, 0.1); | |
858 | ratio = Math.max(ratio - delta, 0.0); | |
859 | } | |
860 | break; | |
861 | } | |
862 | default: | |
863 | break; | |
864 | } | |
865 | //fSlider.setSelection((int) (SLIDER_MAX * ((double) fLines.get(fTopLineIndex).rank / fTrace.getNbEvents()))); | |
866 | if (e.detail != SWT.NONE) { | |
867 | fSlider.setSelection((int) (SLIDER_MAX * fTrace.getLocationRatio(fLines.get(fTopLineIndex).location))); | |
868 | } | |
869 | ||
870 | fHoldSelection = 0; | |
871 | } | |
872 | ||
873 | @Override | |
874 | public void widgetDefaultSelected(SelectionEvent e) { | |
875 | } | |
876 | ||
877 | // ------------------------------------------------------------------------ | |
29ddb729 PT |
878 | // MouseListener (Slider) |
879 | // ------------------------------------------------------------------------ | |
880 | ||
881 | /** | |
34c87ae8 | 882 | * @since 2.0 |
29ddb729 PT |
883 | */ |
884 | @Override | |
885 | public void mouseDown(MouseEvent e) { | |
886 | } | |
887 | ||
888 | /** | |
34c87ae8 | 889 | * @since 2.0 |
29ddb729 PT |
890 | */ |
891 | @Override | |
892 | public void mouseUp(MouseEvent e) { | |
893 | if (e.button != 1) { | |
894 | return; | |
895 | } | |
896 | /* | |
897 | * When the mouse button is released, perform the refresh immediately | |
898 | * and interrupt and discard the slider throttler. | |
899 | */ | |
900 | if (fSliderThrottler != null) { | |
901 | fSliderThrottler.interrupt(); | |
902 | fSliderThrottler = null; | |
903 | } | |
904 | Event event = new Event(); | |
905 | event.widget = this; | |
906 | event.detail = SWT.NONE; | |
907 | widgetSelected(new SelectionEvent(event)); | |
908 | } | |
909 | ||
910 | /** | |
34c87ae8 | 911 | * @since 2.0 |
29ddb729 PT |
912 | */ |
913 | @Override | |
914 | public void mouseDoubleClick(MouseEvent e) { | |
915 | } | |
916 | ||
917 | // ------------------------------------------------------------------------ | |
7d048a33 PT |
918 | // KeyListener (StyledText) |
919 | // ------------------------------------------------------------------------ | |
920 | ||
921 | @Override | |
922 | public void keyPressed(KeyEvent e) { | |
923 | if (fLines.size() == 0) { | |
924 | return; | |
925 | } | |
926 | int caretOffset = fStyledText.getCaretOffset(); | |
927 | int previousCaretOffset = getPreviousCaretOffset(e.time); | |
928 | int previousLineAtCaretPosition = fStyledText.getLineAtOffset(previousCaretOffset); | |
929 | int previousColumnAtCaretPosition = getPreviousCaretOffset(e.time) - fStyledText.getOffsetAtLine(previousLineAtCaretPosition); | |
930 | switch (e.keyCode) { | |
931 | case SWT.ARROW_DOWN: { | |
932 | if (previousLineAtCaretPosition < (fNumVisibleLines - 2)) { | |
933 | break; | |
934 | } | |
935 | fHoldSelection++; | |
936 | fTopLineIndex++; | |
937 | loadLineData(); | |
938 | updateTextArea(); | |
939 | fHoldSelection--; | |
940 | LineData lineData = fLines.get(fTopLineIndex + fStyledText.getLineAtOffset(fStyledText.getCaretOffset())); | |
941 | if (!lineData.location.equals(fSelectedLocation)) { | |
942 | fSelectedLocation = lineData.location; | |
943 | refreshLineBackgrounds(); | |
944 | sendSelectionEvent(lineData); | |
945 | } | |
946 | break; | |
947 | } | |
948 | case SWT.PAGE_DOWN: { | |
949 | if (previousLineAtCaretPosition >= (fNumVisibleLines - 1)) { | |
950 | fHoldSelection++; | |
951 | if (fLines.get(fTopLineIndex + previousLineAtCaretPosition).rank % 2 == 0) { | |
952 | fStyledText.setLineBackground(previousLineAtCaretPosition, 1, COLOR_BACKGROUND_EVEN); | |
953 | } else { | |
954 | fStyledText.setLineBackground(previousLineAtCaretPosition, 1, COLOR_BACKGROUND_ODD); | |
955 | } | |
956 | fSelectedLocation = null; | |
957 | fTopLineIndex += Math.max(fNumVisibleLines - 1, 1); | |
958 | loadLineData(); | |
959 | updateTextArea(); | |
960 | fHoldSelection--; | |
961 | } | |
962 | int line = Math.min(fNumVisibleLines - 1, fStyledText.getLineCount() - 1); | |
963 | int offset = fStyledText.getOffsetAtLine(line); | |
964 | fStyledText.setSelection(offset + Math.min(previousColumnAtCaretPosition, fLines.get(fTopLineIndex + line).string.length())); | |
965 | break; | |
966 | } | |
967 | case SWT.ARROW_RIGHT: { | |
968 | if (previousCaretOffset < fStyledText.getCharCount() || previousLineAtCaretPosition < (fNumVisibleLines - 2)) { | |
969 | break; | |
970 | } | |
971 | fHoldSelection++; | |
972 | fTopLineIndex++; | |
973 | loadLineData(); | |
974 | updateTextArea(); | |
975 | fHoldSelection--; | |
976 | fStyledText.setSelection(fStyledText.getCaretOffset() + 1); | |
977 | break; | |
978 | } | |
979 | case SWT.ARROW_UP: { | |
980 | if (previousLineAtCaretPosition > 0) { | |
981 | break; | |
982 | } | |
983 | if (fLines.size() == 0) {// || (fTopLineIndex == 0 && fLines.get(0).rank == 0)) { | |
984 | break; | |
985 | } | |
986 | fHoldSelection++; | |
987 | fTopLineIndex--; | |
988 | loadLineData(); | |
989 | updateTextArea(); | |
990 | fHoldSelection--; | |
991 | LineData lineData = fLines.get(fTopLineIndex); | |
992 | if (!lineData.location.equals(fSelectedLocation)) { | |
993 | fSelectedLocation = lineData.location; | |
994 | refreshLineBackgrounds(); | |
995 | sendSelectionEvent(lineData); | |
996 | } | |
997 | fStyledText.setSelection(caretOffset); | |
998 | break; | |
999 | } | |
1000 | case SWT.PAGE_UP: { | |
1001 | if (previousLineAtCaretPosition > 0) { | |
1002 | break; | |
1003 | } | |
1004 | fHoldSelection++; | |
1005 | fTopLineIndex -= Math.max(fNumVisibleLines - 1, 1); | |
1006 | loadLineData(); | |
1007 | updateTextArea(); | |
1008 | fHoldSelection--; | |
1009 | LineData lineData = fLines.get(fTopLineIndex); | |
1010 | if (!lineData.location.equals(fSelectedLocation)) { | |
1011 | fSelectedLocation = lineData.location; | |
1012 | refreshLineBackgrounds(); | |
1013 | sendSelectionEvent(lineData); | |
1014 | } | |
1015 | fStyledText.setSelection(caretOffset); | |
1016 | break; | |
1017 | } | |
1018 | case SWT.ARROW_LEFT: { | |
1019 | if (previousCaretOffset > 0) { | |
1020 | break; | |
1021 | } | |
1022 | if (fLines.size() == 0) {// || (fTopLineIndex == 0 && fLines.get(0).rank == 0)) { | |
1023 | break; | |
1024 | } | |
1025 | long topRank = fLines.get(fTopLineIndex).rank; | |
1026 | fHoldSelection++; | |
1027 | fTopLineIndex--; | |
1028 | loadLineData(); | |
1029 | updateTextArea(); | |
1030 | fHoldSelection--; | |
1031 | LineData lineData = fLines.get(fTopLineIndex); | |
1032 | if (!lineData.location.equals(fSelectedLocation)) { | |
1033 | fSelectedLocation = lineData.location; | |
1034 | refreshLineBackgrounds(); | |
1035 | sendSelectionEvent(lineData); | |
1036 | } | |
1037 | if (topRank != fLines.get(fTopLineIndex).rank) { | |
1038 | fStyledText.setSelection(fLines.get(fTopLineIndex).string.length()); | |
1039 | } | |
1040 | break; | |
1041 | } | |
1042 | case SWT.HOME: { | |
1043 | if ((e.stateMask & SWT.CTRL) == 0) { | |
1044 | break; | |
1045 | } | |
1046 | //selectAndReveal(0); | |
1047 | setTopPosition(0.0); | |
1048 | LineData lineData = fLines.get(fTopLineIndex); | |
1049 | if (!lineData.location.equals(fSelectedLocation)) { | |
1050 | fSelectedLocation = lineData.location; | |
1051 | refreshLineBackgrounds(); | |
1052 | sendSelectionEvent(lineData); | |
1053 | } | |
1054 | break; | |
1055 | } | |
1056 | case SWT.END: { | |
1057 | if ((e.stateMask & SWT.CTRL) == 0) { | |
1058 | break; | |
1059 | } | |
1060 | //if (fTrace.getNbEvents() > 0) { | |
1061 | //selectAndReveal(fTrace.getNbEvents() - 1); | |
1062 | //} | |
1063 | double ratio = 1.0; | |
1064 | double delta = Math.pow(10, -15); | |
1065 | fLines.clear(); | |
1066 | while (fLines.size() == 0) { | |
1067 | setTopPosition(ratio); | |
1068 | if (ratio == 0.0) { | |
1069 | break; | |
1070 | } | |
1071 | delta = Math.min(delta * 10, 0.1); | |
1072 | ratio = Math.max(ratio - delta, 0.0); | |
1073 | } | |
1074 | LineData lineData = fLines.get(fTopLineIndex); | |
1075 | if (!lineData.location.equals(fSelectedLocation)) { | |
1076 | fSelectedLocation = lineData.location; | |
1077 | refreshLineBackgrounds(); | |
1078 | sendSelectionEvent(lineData); | |
1079 | } | |
1080 | break; | |
1081 | } | |
1082 | default: | |
1083 | break; | |
1084 | } | |
1085 | //fSlider.setSelection((int) (SLIDER_MAX * ((double) fLines.get(fTopLineIndex).rank / fTrace.getNbEvents()))); | |
1086 | updateHighlightedRank(); | |
1087 | fSlider.setSelection((int) (SLIDER_MAX * fTrace.getLocationRatio(fLines.get(fTopLineIndex).location))); | |
1088 | } | |
1089 | ||
1090 | @Override | |
1091 | public void keyReleased(KeyEvent e) { | |
1092 | } | |
1093 | ||
1094 | // ------------------------------------------------------------------------ | |
1095 | // CaretListener (StyledText) | |
1096 | // ------------------------------------------------------------------------ | |
1097 | ||
1098 | @Override | |
1099 | public void caretMoved(CaretEvent event) { | |
1100 | if (fHoldSelection == 0) { | |
1101 | int line = fStyledText.getLineAtOffset(event.caretOffset); | |
1102 | if (fTopLineIndex + line < fLines.size()) { | |
1103 | LineData lineData = fLines.get(fTopLineIndex + line); | |
1104 | if (!lineData.location.equals(fSelectedLocation)) { | |
1105 | fSelectedLocation = lineData.location; | |
1106 | refreshLineBackgrounds(); | |
1107 | sendSelectionEvent(lineData); | |
1108 | } | |
1109 | } | |
1110 | } | |
1111 | storeCaretPosition(event.time, event.caretOffset); | |
1112 | if (fHoldSelection == 0) { | |
1113 | Point caret = fStyledText.getLocationAtOffset(fStyledText.getCaretOffset()); | |
1114 | Point origin = fScrolledComposite.getOrigin(); | |
1115 | if (origin.x > caret.x) { | |
1116 | origin.x = caret.x; | |
1117 | } else if (caret.x - origin.x > fScrolledComposite.getSize().x) { | |
1118 | origin.x = caret.x - fScrolledComposite.getSize().x + 1; | |
1119 | } | |
1120 | fScrolledComposite.setOrigin(origin); | |
1121 | } | |
1122 | } | |
1123 | ||
1124 | // ------------------------------------------------------------------------ | |
1125 | // MouseMoveListener (StyledText) | |
1126 | // ------------------------------------------------------------------------ | |
1127 | ||
1128 | @Override | |
1129 | public void mouseMove(MouseEvent e) { | |
1130 | fCursorYCoordinate = e.y; | |
1131 | if (e.y < 0 || e.y > fStyledText.getSize().y) { | |
1132 | if (fHighlightedRank != Long.MIN_VALUE) { | |
1133 | fHighlightedRank = Long.MIN_VALUE; | |
1134 | refreshLineBackgrounds(); | |
1135 | } | |
1136 | return; | |
1137 | } | |
1138 | int offset = fStyledText.getOffsetAtLocation(new Point(0, e.y)); | |
1139 | int line = fStyledText.getLineAtOffset(offset); | |
1140 | if (line < fLines.size() - fTopLineIndex) { | |
1141 | LineData lineData = fLines.get(fTopLineIndex + line); | |
1142 | if (fHighlightedRank != lineData.rank) { | |
1143 | fHighlightedRank = lineData.rank; | |
1144 | refreshLineBackgrounds(); | |
1145 | } | |
1146 | } else { | |
1147 | if (fHighlightedRank != Long.MIN_VALUE) { | |
1148 | fHighlightedRank = Long.MIN_VALUE; | |
1149 | refreshLineBackgrounds(); | |
1150 | } | |
1151 | } | |
1152 | } | |
1153 | ||
1154 | // ------------------------------------------------------------------------ | |
1155 | // MouseTrackListener (StyledText) | |
1156 | // ------------------------------------------------------------------------ | |
1157 | ||
1158 | @Override | |
1159 | public void mouseExit(MouseEvent e) { | |
1160 | fCursorYCoordinate = -1; | |
1161 | if (fHighlightedRank != Long.MIN_VALUE) { | |
1162 | fHighlightedRank = Long.MIN_VALUE; | |
1163 | refreshLineBackgrounds(); | |
1164 | } | |
1165 | } | |
1166 | ||
1167 | @Override | |
1168 | public void mouseEnter(MouseEvent e) { | |
1169 | fCursorYCoordinate = e.y; | |
1170 | } | |
1171 | ||
1172 | @Override | |
1173 | public void mouseHover(MouseEvent e) { | |
1174 | } | |
1175 | ||
1176 | // ------------------------------------------------------------------------ | |
1177 | // MouseWheelListener (StyledText) | |
1178 | // ------------------------------------------------------------------------ | |
1179 | ||
1180 | @Override | |
1181 | public void mouseScrolled(MouseEvent e) { | |
1182 | if (fLines.size() == 0) { | |
1183 | return; | |
1184 | } | |
1185 | fHoldSelection++; | |
1186 | fTopLineIndex -= e.count; | |
1187 | loadLineData(); | |
1188 | updateTextArea(); | |
1189 | fHoldSelection = 0; | |
1190 | //fSlider.setSelection((int) (SLIDER_MAX * ((double) fLines.get(fTopLineIndex).rank / fTrace.getNbEvents()))); | |
1191 | updateHighlightedRank(); | |
1192 | fSlider.setSelection((int) (SLIDER_MAX * fTrace.getLocationRatio(fLines.get(fTopLineIndex).location))); | |
1193 | } | |
1194 | ||
1195 | } |