org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/timechart/TimeChartAnalysisProvider.java

   1 /*******************************************************************************
   2  * Copyright (c) 2010 Ericsson
   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
  13 package org.eclipse.linuxtools.tmf.ui.views.timechart;
  14
  15 import org.eclipse.linuxtools.tmf.ui.views.colors.ColorSetting;
  16 import org.eclipse.linuxtools.tmf.ui.views.colors.ColorSettingsManager;
  17 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.StateItem;
  18 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.TimeGraphPresentationProvider;
  19 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent;
  20 import org.eclipse.swt.SWT;
  21 import org.eclipse.swt.graphics.Color;
  22 import org.eclipse.swt.graphics.GC;
  23 import org.eclipse.swt.graphics.Rectangle;
  24 import org.eclipse.swt.widgets.Display;
  25
  26 public class TimeChartAnalysisProvider extends TimeGraphPresentationProvider {
  27
  28     private static final Color BOOKMARK_INNER_COLOR = new Color(Display.getDefault(), 115, 165, 224);
  29     private static final Color BOOKMARK_OUTER_COLOR = new Color(Display.getDefault(), 2, 70, 140);
  30     private static final Color SEARCH_MATCH_COLOR = new Color(Display.getDefault(), 177, 118, 14);
  31
  32     private int lastX = Integer.MIN_VALUE;
  33     private int currX = Integer.MIN_VALUE;
  34     private int lastPriority;
  35     private int lastBookmarkX = Integer.MIN_VALUE;
  36
  37     @Override
  38     public StateItem[] getStateTable() {
  39
  40         ColorSetting[] settings = ColorSettingsManager.getColorSettings();
  41         StateItem[] stateItems = new StateItem[settings.length];
  42         for (int i = 0; i < settings.length; i++) {
  43             stateItems[i] = new StateItem(settings[i].getTickColorRGB());
  44         }
  45         return stateItems;
  46     }
  47
  48     @Override
  49     public int getStateTableIndex(ITimeEvent event) {
  50         int priority = ((TimeChartEvent) event).getColorSettingPriority();
  51         if (currX == lastX) {
  52             priority = Math.min(priority, lastPriority);
  53         }
  54         lastPriority = priority;
  55         return priority;
  56     }
  57
  58     @Override
  59     public void postDrawEvent(ITimeEvent event, Rectangle rect, GC gc) {
  60         if (! ((TimeChartEvent) event).isVisible()) {
  61             return;
  62         }
  63         lastX = currX;
  64         currX = rect.x;
  65         if (lastBookmarkX == rect.x || ((TimeChartEvent) event).isBookmarked()) {
  66             drawBookmark(rect, gc);
  67             lastBookmarkX = rect.x;
  68         } else if (lastBookmarkX == rect.x - 1) {
  69             Rectangle r = new Rectangle(lastBookmarkX, rect.y, rect.width, rect.height);
  70             drawBookmark(r, gc);
  71         } else {
  72             lastBookmarkX = Integer.MIN_VALUE;
  73         }
  74         if (((TimeChartEvent) event).isSearchMatch()) {
  75             drawSearchMatch(rect, gc);
  76         }
  77     }
  78
  79     private void drawBookmark(Rectangle r, GC gc) {
  80         gc.setForeground(BOOKMARK_OUTER_COLOR);
  81         gc.drawLine(r.x - 1, r.y - 2, r.x - 1, r.y + 2);
  82         gc.drawLine(r.x + 1, r.y - 2, r.x + 1, r.y + 2);
  83         gc.drawPoint(r.x, r.y - 2);
  84         gc.setForeground(BOOKMARK_INNER_COLOR);
  85         gc.drawLine(r.x, r.y - 1, r.x, r.y + 1);
  86         gc.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_WHITE));
  87         gc.drawPoint(r.x - 1, r.y + 3);
  88         gc.drawPoint(r.x, r.y + 2);
  89         gc.drawPoint(r.x + 1, r.y + 3);
  90     }
  91
  92     private void drawSearchMatch(Rectangle r, GC gc) {
  93         gc.setForeground(SEARCH_MATCH_COLOR);
  94         gc.drawPoint(r.x, r.y + r.height);
  95         gc.drawLine(r.x - 1, r.y + r.height + 1, r.x + 1, r.y + r.height + 1);
  96         gc.drawLine(r.x - 2, r.y + r.height + 2, r.x + 2, r.y + r.height + 2);
  97     }
  98 }