org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/widgets/timegraph/widgets/TimeGraphTooltipHandler.java

   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.GridData;
  34 import org.eclipse.swt.layout.GridLayout;
  35 import org.eclipse.swt.widgets.Control;
  36 import org.eclipse.swt.widgets.Display;
  37 import org.eclipse.swt.widgets.Shell;
  38 import org.eclipse.swt.widgets.Table;
  39 import org.eclipse.swt.widgets.TableColumn;
  40 import org.eclipse.swt.widgets.TableItem;
  41
  42 /**
  43  * Handler for the tool tips in the generic time graph view.
  44  *
  45  * @version 1.0
  46  * @author Alvaro Sanchez-Leon
  47  * @author Patrick Tasse
  48  */
  49 public class TimeGraphTooltipHandler {
  50
  51     private final Shell _tipShell;
  52     private final Table _tipTable;
  53     private Point _tipPosition;
  54     private final ITimeDataProvider _timeDataProvider;
  55     ITimeGraphPresentationProvider _utilImp = null;
  56
  57     /**
  58      * Standard constructor
  59      *
  60      * @param parent
  61      *            The parent composite object
  62      * @param rUtilImpl
  63      *            The presentation provider
  64      * @param timeProv
  65      *            The time provider
  66      */
  67     public TimeGraphTooltipHandler(Shell parent, ITimeGraphPresentationProvider rUtilImpl,
  68             ITimeDataProvider timeProv) {
  69         final Display display = parent.getDisplay();
  70
  71         this._utilImp = rUtilImpl;
  72         this._timeDataProvider = timeProv;
  73         _tipShell = new Shell(parent, SWT.ON_TOP | SWT.TOOL);
  74         GridLayout gridLayout = new GridLayout();
  75         gridLayout.numColumns = 2;
  76         gridLayout.marginWidth = 2;
  77         gridLayout.marginHeight = 2;
  78         _tipShell.setLayout(gridLayout);
  79         GridData data = new GridData(GridData.BEGINNING, GridData.BEGINNING,
  80                 true, true);
  81         _tipShell.setLayoutData(data);
  82         _tipShell.setBackground(display
  83                 .getSystemColor(SWT.COLOR_INFO_BACKGROUND));
  84
  85         _tipTable = new Table(_tipShell, SWT.NONE);
  86         new TableColumn(_tipTable, SWT.NONE);
  87         new TableColumn(_tipTable, SWT.NONE);
  88         _tipTable.setForeground(display
  89                 .getSystemColor(SWT.COLOR_INFO_FOREGROUND));
  90         _tipTable.setBackground(display
  91                 .getSystemColor(SWT.COLOR_INFO_BACKGROUND));
  92         _tipTable.setHeaderVisible(false);
  93         _tipTable.setLinesVisible(false);
  94
  95         // tipTable.setLayoutData(new GridData(GridData.FILL_HORIZONTAL
  96         // | GridData.VERTICAL_ALIGN_CENTER));
  97     }
  98
  99     /**
 100      * Callback for the mouse-over tooltip
 101      *
 102      * @param control
 103      *            The control object to use
 104      */
 105     public void activateHoverHelp(final Control control) {
 106         //FIXME: remove old listeners
 107         control.addMouseListener(new MouseAdapter() {
 108             @Override
 109             public void mouseDown(MouseEvent e) {
 110                 if (_tipShell.isVisible()) {
 111                     _tipShell.setVisible(false);
 112                 }
 113             }
 114         });
 115
 116         control.addMouseMoveListener(new MouseMoveListener() {
 117             @Override
 118             public void mouseMove(MouseEvent e) {
 119                 if (_tipShell.isVisible()) {
 120                     _tipShell.setVisible(false);
 121                 }
 122             }
 123         });
 124
 125         control.addMouseTrackListener(new MouseTrackAdapter() {
 126             @Override
 127             public void mouseExit(MouseEvent e) {
 128                 if (_tipShell.isVisible()) {
 129                     _tipShell.setVisible(false);
 130                 }
 131             }
 132
 133             private void addItem(String name, String value) {
 134                 TableItem line = new TableItem(_tipTable, SWT.NONE);
 135                 line.setText(0, name);
 136                 line.setText(1, value);
 137             }
 138
 139             private void fillValues(Point pt, TimeGraphControl threadStates, ITimeGraphEntry entry) {
 140                 if (entry == null) {
 141                     return;
 142                 }
 143                 if (entry.hasTimeEvents()) {
 144                     ITimeEvent threadEvent = Utils.findEvent(entry, threadStates.getTimeAtX(pt.x), 2);
 145                     ITimeEvent nextEvent = Utils.findEvent(entry, threadStates.getTimeAtX(pt.x), 1);
 146                     // state name
 147                     addItem(_utilImp.getStateTypeName(), entry.getName());
 148                     if (threadEvent == null) {
 149                         return;
 150                     }
 151                     // thread state
 152                     String state = _utilImp.getEventName(threadEvent);
 153                     if (state != null) {
 154                         addItem(Messages.TmfTimeTipHandler_TRACE_STATE, state);
 155                     }
 156
 157                     // This block receives a
 158                     // list of <String, String> values to be added to the tip
 159                     // table
 160                     Map<String, String> eventAddOns = _utilImp.getEventHoverToolTipInfo(threadEvent);
 161                     if (eventAddOns != null) {
 162                         for (Iterator<String> iter = eventAddOns.keySet().iterator(); iter.hasNext();) {
 163                             String message = iter.next();
 164                             addItem(message, eventAddOns.get(message));
 165                         }
 166                     }
 167
 168                     long eventStartTime = -1;
 169                     long eventDuration = -1;
 170                     long eventEndTime = -1;
 171
 172                     eventStartTime = threadEvent.getTime();
 173                     eventDuration = threadEvent.getDuration();
 174                     if (eventDuration < 0 && nextEvent != null) {
 175                         eventEndTime = nextEvent.getTime();
 176                         eventDuration = eventEndTime - eventStartTime;
 177                     } else {
 178                         eventEndTime = eventStartTime + eventDuration;
 179                     }
 180
 181                     // TODO: Check if we need "format"
 182                     //                                  TimeFormat format = TimeFormat.RELATIVE;
 183                     Resolution res = Resolution.NANOSEC;
 184                     if (_timeDataProvider.isCalendarFormat()) {
 185                         //                                              format = TimeFormat.ABSOLUTE; // Absolute format
 186                         //                                                                                                              // (calendar)
 187                         // Add Date
 188                         addItem(Messages.TmfTimeTipHandler_TRACE_DATE, eventStartTime > -1 ?
 189                                 Utils.formatDate(eventStartTime)
 190                                 : "?"); //$NON-NLS-1$
 191                         if (eventDuration > 0) {
 192                             addItem(Messages.TmfTimeTipHandler_TRACE_START_TIME, eventStartTime > -1 ?
 193                                     Utils.formatTime(eventStartTime, TimeFormat.ABSOLUTE, res)
 194                                     : "?"); //$NON-NLS-1$
 195
 196                             addItem(Messages.TmfTimeTipHandler_TRACE_STOP_TIME, eventEndTime > -1 ?
 197                                     Utils.formatTime(eventEndTime, TimeFormat.ABSOLUTE, res)
 198                                     : "?"); //$NON-NLS-1$
 199                         } else {
 200                             addItem(Messages.TmfTimeTipHandler_TRACE_EVENT_TIME, eventStartTime > -1 ?
 201                                     Utils.formatTime(eventStartTime, TimeFormat.ABSOLUTE, res)
 202                                     : "?"); //$NON-NLS-1$
 203                         }
 204                     } else {
 205                         if (eventDuration > 0) {
 206                             addItem(Messages.TmfTimeTipHandler_TRACE_START_TIME, eventStartTime > -1 ?
 207                                     Utils.formatTime(eventStartTime, TimeFormat.RELATIVE, res)
 208                                     : "?"); //$NON-NLS-1$
 209
 210                             addItem(Messages.TmfTimeTipHandler_TRACE_STOP_TIME, eventEndTime > -1 ?
 211                                     Utils.formatTime(eventEndTime, TimeFormat.RELATIVE, res)
 212                                     : "?"); //$NON-NLS-1$
 213                         } else {
 214                             addItem(Messages.TmfTimeTipHandler_TRACE_EVENT_TIME, eventStartTime > -1 ?
 215                                     Utils.formatTime(eventStartTime, TimeFormat.RELATIVE, res)
 216                                     : "?"); //$NON-NLS-1$
 217                         }
 218                     }
 219
 220                     if (eventDuration > 0) {
 221                         // Duration in relative format in any case
 222                         addItem(Messages.TmfTimeTipHandler_DURATION, eventDuration > -1 ?
 223                                 Utils.formatTime(eventDuration, TimeFormat.RELATIVE, res)
 224                                 : "?"); //$NON-NLS-1$
 225                     }
 226                 }
 227             }
 228
 229             @Override
 230             public void mouseHover(MouseEvent event) {
 231                 Point pt = new Point(event.x, event.y);
 232                 TimeGraphControl threadStates = (TimeGraphControl) event.widget;
 233                 ITimeGraphEntry entry = threadStates.getEntry(pt);
 234                 _tipTable.remove(0, _tipTable.getItemCount() - 1);
 235                 fillValues(pt, threadStates, entry);
 236                 if (_tipTable.getItemCount() == 0) {
 237                     return;
 238                 }
 239                 _tipTable.getColumn(0).pack();
 240                 _tipTable.getColumn(1).pack();
 241                 _tipShell.pack();
 242                 _tipPosition = control.toDisplay(pt);
 243                 _tipShell.pack();
 244                 setHoverLocation(_tipShell, _tipPosition);
 245                 _tipShell.setVisible(true);
 246             }
 247         });
 248     }
 249
 250     private static void setHoverLocation(Shell shell, Point position) {
 251         Rectangle displayBounds = shell.getDisplay().getBounds();
 252         Rectangle shellBounds = shell.getBounds();
 253         shellBounds.x = Math.max(Math.min(position.x, displayBounds.width
 254                 - shellBounds.width), 0);
 255         shellBounds.y = Math.max(Math.min(position.y + 16, displayBounds.height
 256                 - shellBounds.height), 0);
 257         shell.setBounds(shellBounds);
 258     }
 259
 260 }