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