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5b2b9bd7 PT |
1 | /***************************************************************************** |
2 | * Copyright (c) 2007 Intel Corporation, 2009, 2012 Ericsson. | |
3 | * All rights reserved. This program and the accompanying materials | |
4 | * are made available under the terms of the Eclipse Public License v1.0 | |
5 | * which accompanies this distribution, and is available at | |
6 | * http://www.eclipse.org/legal/epl-v10.html | |
7 | * | |
8 | * Contributors: | |
9 | * Intel Corporation - Initial API and implementation | |
10 | * Vitaly A. Provodin, Intel - Initial API and implementation | |
11 | * Alvaro Sanchez-Leon - Updated for TMF | |
12 | * Patrick Tasse - Refactoring | |
13 | * | |
14 | *****************************************************************************/ | |
15 | package org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets; | |
16 | ||
17 | import java.util.Iterator; | |
18 | import java.util.Map; | |
19 | ||
20 | import org.eclipse.linuxtools.internal.tmf.ui.Messages; | |
21 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.ITimeGraphPresentationProvider; | |
22 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent; | |
23 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeGraphEntry; | |
24 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets.Utils.Resolution; | |
25 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets.Utils.TimeFormat; | |
26 | import org.eclipse.swt.SWT; | |
27 | import org.eclipse.swt.events.MouseAdapter; | |
28 | import org.eclipse.swt.events.MouseEvent; | |
29 | import org.eclipse.swt.events.MouseMoveListener; | |
30 | import org.eclipse.swt.events.MouseTrackAdapter; | |
31 | import org.eclipse.swt.graphics.Point; | |
32 | import org.eclipse.swt.graphics.Rectangle; | |
33 | import org.eclipse.swt.layout.GridLayout; | |
34 | import org.eclipse.swt.widgets.Control; | |
35 | import org.eclipse.swt.widgets.Display; | |
36 | import org.eclipse.swt.widgets.Shell; | |
37 | import org.eclipse.swt.widgets.Table; | |
38 | import org.eclipse.swt.widgets.TableColumn; | |
39 | import org.eclipse.swt.widgets.TableItem; | |
40 | ||
41 | /** | |
42 | * Handler for the tool tips in the generic time graph view. | |
43 | * | |
44 | * @version 1.0 | |
45 | * @author Alvaro Sanchez-Leon | |
46 | * @author Patrick Tasse | |
47 | */ | |
48 | public class TimeGraphTooltipHandler { | |
49 | ||
50 | private Shell _tipShell; | |
51 | private Table _tipTable; | |
52 | private Point _tipPosition; | |
53 | private final ITimeDataProvider _timeDataProvider; | |
54 | ITimeGraphPresentationProvider _utilImp = null; | |
55 | ||
56 | /** | |
57 | * Standard constructor | |
58 | * | |
59 | * @param parent | |
60 | * The parent shell (unused, can be null) | |
61 | * @param rUtilImpl | |
62 | * The presentation provider | |
63 | * @param timeProv | |
64 | * The time provider | |
65 | */ | |
66 | public TimeGraphTooltipHandler(Shell parent, ITimeGraphPresentationProvider rUtilImpl, | |
67 | ITimeDataProvider timeProv) { | |
68 | ||
69 | this._utilImp = rUtilImpl; | |
70 | this._timeDataProvider = timeProv; | |
71 | } | |
72 | ||
73 | private void createTooltipShell(Shell parent) { | |
74 | final Display display = parent.getDisplay(); | |
75 | if (_tipShell != null && ! _tipShell.isDisposed()) { | |
76 | _tipShell.dispose(); | |
77 | } | |
78 | _tipShell = new Shell(parent, SWT.ON_TOP | SWT.TOOL); | |
79 | GridLayout gridLayout = new GridLayout(); | |
80 | gridLayout.numColumns = 2; | |
81 | gridLayout.marginWidth = 2; | |
82 | gridLayout.marginHeight = 2; | |
83 | _tipShell.setLayout(gridLayout); | |
84 | _tipShell.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND)); | |
85 | ||
86 | _tipTable = new Table(_tipShell, SWT.NONE); | |
87 | new TableColumn(_tipTable, SWT.NONE); | |
88 | new TableColumn(_tipTable, SWT.NONE); | |
89 | _tipTable.setForeground(display | |
90 | .getSystemColor(SWT.COLOR_INFO_FOREGROUND)); | |
91 | _tipTable.setBackground(display | |
92 | .getSystemColor(SWT.COLOR_INFO_BACKGROUND)); | |
93 | _tipTable.setHeaderVisible(false); | |
94 | _tipTable.setLinesVisible(false); | |
95 | ||
96 | _tipTable.addMouseListener(new MouseAdapter() { | |
97 | @Override | |
98 | public void mouseDown(MouseEvent e) { | |
99 | _tipShell.dispose(); | |
100 | } | |
101 | }); | |
102 | ||
103 | _tipTable.addMouseTrackListener(new MouseTrackAdapter() { | |
104 | @Override | |
105 | public void mouseExit(MouseEvent e) { | |
106 | _tipShell.dispose(); | |
107 | } | |
108 | }); | |
109 | ||
110 | _tipTable.addMouseMoveListener(new MouseMoveListener() { | |
111 | @Override | |
112 | public void mouseMove(MouseEvent e) { | |
113 | _tipShell.dispose(); | |
114 | } | |
115 | }); | |
116 | } | |
117 | ||
118 | /** | |
119 | * Callback for the mouse-over tooltip | |
120 | * | |
121 | * @param control | |
122 | * The control object to use | |
123 | */ | |
124 | public void activateHoverHelp(final Control control) { | |
125 | control.addMouseListener(new MouseAdapter() { | |
126 | @Override | |
127 | public void mouseDown(MouseEvent e) { | |
128 | if (_tipShell != null && ! _tipShell.isDisposed()) { | |
129 | _tipShell.dispose(); | |
130 | } | |
131 | } | |
132 | }); | |
133 | ||
134 | control.addMouseMoveListener(new MouseMoveListener() { | |
135 | @Override | |
136 | public void mouseMove(MouseEvent e) { | |
137 | if (_tipShell != null && ! _tipShell.isDisposed()) { | |
138 | _tipShell.dispose(); | |
139 | } | |
140 | } | |
141 | }); | |
142 | ||
143 | control.addMouseTrackListener(new MouseTrackAdapter() { | |
144 | @Override | |
145 | public void mouseExit(MouseEvent e) { | |
146 | if (_tipShell != null && ! _tipShell.isDisposed()) { | |
147 | Point pt = control.toDisplay(e.x, e.y); | |
148 | if (! _tipShell.getBounds().contains(pt)) { | |
149 | _tipShell.dispose(); | |
150 | } | |
151 | } | |
152 | } | |
153 | ||
154 | private void addItem(String name, String value) { | |
155 | TableItem line = new TableItem(_tipTable, SWT.NONE); | |
156 | line.setText(0, name); | |
157 | line.setText(1, value); | |
158 | } | |
159 | ||
160 | private void fillValues(Point pt, TimeGraphControl timeGraphControl, ITimeGraphEntry entry) { | |
161 | if (entry == null) { | |
162 | return; | |
163 | } | |
164 | if (entry.hasTimeEvents()) { | |
165 | long currPixelTime = timeGraphControl.getTimeAtX(pt.x); | |
166 | long nextPixelTime = timeGraphControl.getTimeAtX(pt.x + 1); | |
167 | if (nextPixelTime == currPixelTime) { | |
168 | nextPixelTime++; | |
169 | } | |
170 | ITimeEvent currEvent = Utils.findEvent(entry, currPixelTime, 0); | |
171 | ITimeEvent nextEvent = Utils.findEvent(entry, currPixelTime, 1); | |
172 | ||
173 | // if there is no current event at the start of the current pixel range, | |
174 | // or if the current event starts before the current pixel range, | |
175 | // use the next event as long as it starts within the current pixel range | |
176 | if (currEvent == null || currEvent.getTime() < currPixelTime) { | |
177 | if (nextEvent != null && nextEvent.getTime() < nextPixelTime) { | |
178 | currEvent = nextEvent; | |
179 | } | |
180 | } | |
181 | ||
182 | // state name | |
183 | addItem(_utilImp.getStateTypeName(), entry.getName()); | |
184 | if (currEvent == null) { | |
185 | return; | |
186 | } | |
187 | // state | |
188 | String state = _utilImp.getEventName(currEvent); | |
189 | if (state != null) { | |
190 | addItem(Messages.TmfTimeTipHandler_TRACE_STATE, state); | |
191 | } | |
192 | ||
193 | // This block receives a list of <String, String> values to be added to the tip table | |
194 | Map<String, String> eventAddOns = _utilImp.getEventHoverToolTipInfo(currEvent); | |
195 | if (eventAddOns != null) { | |
196 | for (Iterator<String> iter = eventAddOns.keySet().iterator(); iter.hasNext();) { | |
197 | String message = iter.next(); | |
198 | addItem(message, eventAddOns.get(message)); | |
199 | } | |
200 | } | |
201 | ||
202 | long eventStartTime = -1; | |
203 | long eventDuration = -1; | |
204 | long eventEndTime = -1; | |
205 | ||
206 | eventStartTime = currEvent.getTime(); | |
207 | eventDuration = currEvent.getDuration(); | |
208 | if (eventDuration < 0 && nextEvent != null) { | |
209 | eventEndTime = nextEvent.getTime(); | |
210 | eventDuration = eventEndTime - eventStartTime; | |
211 | } else { | |
212 | eventEndTime = eventStartTime + eventDuration; | |
213 | } | |
214 | ||
215 | Resolution res = Resolution.NANOSEC; | |
216 | if (_timeDataProvider.isCalendarFormat()) { | |
217 | addItem(Messages.TmfTimeTipHandler_TRACE_DATE, eventStartTime > -1 ? | |
218 | Utils.formatDate(eventStartTime) | |
219 | : "?"); //$NON-NLS-1$ | |
220 | if (eventDuration > 0) { | |
221 | addItem(Messages.TmfTimeTipHandler_TRACE_START_TIME, eventStartTime > -1 ? | |
222 | Utils.formatTime(eventStartTime, TimeFormat.ABSOLUTE, res) | |
223 | : "?"); //$NON-NLS-1$ | |
224 | ||
225 | addItem(Messages.TmfTimeTipHandler_TRACE_STOP_TIME, eventEndTime > -1 ? | |
226 | Utils.formatTime(eventEndTime, TimeFormat.ABSOLUTE, res) | |
227 | : "?"); //$NON-NLS-1$ | |
228 | } else { | |
229 | addItem(Messages.TmfTimeTipHandler_TRACE_EVENT_TIME, eventStartTime > -1 ? | |
230 | Utils.formatTime(eventStartTime, TimeFormat.ABSOLUTE, res) | |
231 | : "?"); //$NON-NLS-1$ | |
232 | } | |
233 | } else { | |
234 | if (eventDuration > 0) { | |
235 | addItem(Messages.TmfTimeTipHandler_TRACE_START_TIME, eventStartTime > -1 ? | |
236 | Utils.formatTime(eventStartTime, TimeFormat.RELATIVE, res) | |
237 | : "?"); //$NON-NLS-1$ | |
238 | ||
239 | addItem(Messages.TmfTimeTipHandler_TRACE_STOP_TIME, eventEndTime > -1 ? | |
240 | Utils.formatTime(eventEndTime, TimeFormat.RELATIVE, res) | |
241 | : "?"); //$NON-NLS-1$ | |
242 | } else { | |
243 | addItem(Messages.TmfTimeTipHandler_TRACE_EVENT_TIME, eventStartTime > -1 ? | |
244 | Utils.formatTime(eventStartTime, TimeFormat.RELATIVE, res) | |
245 | : "?"); //$NON-NLS-1$ | |
246 | } | |
247 | } | |
248 | ||
249 | if (eventDuration > 0) { | |
250 | // Duration in relative format in any case | |
251 | addItem(Messages.TmfTimeTipHandler_DURATION, eventDuration > -1 ? | |
252 | Utils.formatTime(eventDuration, TimeFormat.RELATIVE, res) | |
253 | : "?"); //$NON-NLS-1$ | |
254 | } | |
255 | } | |
256 | } | |
257 | ||
258 | @Override | |
259 | public void mouseHover(MouseEvent event) { | |
260 | if ((event.stateMask & SWT.BUTTON_MASK) != 0) { | |
261 | return; | |
262 | } | |
263 | Point pt = new Point(event.x, event.y); | |
264 | TimeGraphControl timeGraphControl = (TimeGraphControl) event.widget; | |
265 | createTooltipShell(timeGraphControl.getShell()); | |
266 | ITimeGraphEntry entry = timeGraphControl.getEntry(pt); | |
267 | _tipTable.remove(0, _tipTable.getItemCount() - 1); | |
268 | fillValues(pt, timeGraphControl, entry); | |
269 | if (_tipTable.getItemCount() == 0) { | |
270 | return; | |
271 | } | |
272 | _tipTable.getColumn(0).pack(); | |
273 | _tipTable.getColumn(1).pack(); | |
274 | _tipShell.pack(); | |
275 | _tipPosition = control.toDisplay(pt); | |
276 | _tipShell.pack(); | |
277 | setHoverLocation(_tipShell, _tipPosition); | |
278 | _tipShell.setVisible(true); | |
279 | } | |
280 | }); | |
281 | } | |
282 | ||
283 | private static void setHoverLocation(Shell shell, Point position) { | |
284 | Rectangle displayBounds = shell.getDisplay().getBounds(); | |
285 | Rectangle shellBounds = shell.getBounds(); | |
286 | if (position.x + shellBounds.width + 16 > displayBounds.width && position.x - shellBounds.width - 16 >= 0) { | |
287 | shellBounds.x = position.x - shellBounds.width - 16; | |
288 | } else { | |
289 | shellBounds.x = Math.max(Math.min(position.x + 16, displayBounds.width - shellBounds.width), 0); | |
290 | } | |
291 | if (position.y + shellBounds.height + 16 > displayBounds.height && position.y - shellBounds.height - 16 >= 0) { | |
292 | shellBounds.y = position.y - shellBounds.height - 16; | |
293 | } else { | |
294 | shellBounds.y = Math.max(Math.min(position.y + 16, displayBounds.height - shellBounds.height), 0); | |
295 | } | |
296 | shell.setBounds(shellBounds); | |
297 | } | |
298 | ||
549f3c43 | 299 | } |