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