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 /**
  27  * Provider for a time chart analysis view
  28  *
  29  * @version 1.0
  30  * @author Patrick Tasse
  31  */
  32 public class TimeChartAnalysisProvider extends TimeGraphPresentationProvider {
  33
  34     private static final Color BOOKMARK_INNER_COLOR = new Color(Display.getDefault(), 115, 165, 224);
  35     private static final Color BOOKMARK_OUTER_COLOR = new Color(Display.getDefault(), 2, 70, 140);
  36     private static final Color SEARCH_MATCH_COLOR = new Color(Display.getDefault(), 177, 118, 14);
  37
  38     private int lastX = Integer.MIN_VALUE;
  39     private int currX = Integer.MIN_VALUE;
  40     private int lastPriority;
  41     private int lastBookmarkX = Integer.MIN_VALUE;
  42
  43     @Override
  44     public StateItem[] getStateTable() {
  45
  46         ColorSetting[] settings = ColorSettingsManager.getColorSettings();
  47         StateItem[] stateItems = new StateItem[settings.length];
  48         for (int i = 0; i < settings.length; i++) {
  49             stateItems[i] = new StateItem(settings[i].getTickColorRGB());
  50         }
  51         return stateItems;
  52     }
  53
  54     @Override
  55     public int getStateTableIndex(ITimeEvent event) {
  56         int priority = ((TimeChartEvent) event).getColorSettingPriority();
  57         if (currX == lastX) {
  58             priority = Math.min(priority, lastPriority);
  59         }
  60         lastPriority = priority;
  61         return priority;
  62     }
  63
  64     @Override
  65     public void postDrawEvent(ITimeEvent event, Rectangle rect, GC gc) {
  66         if (! ((TimeChartEvent) event).isVisible()) {
  67             return;
  68         }
  69         lastX = currX;
  70         currX = rect.x;
  71         if (lastBookmarkX == rect.x || ((TimeChartEvent) event).isBookmarked()) {
  72             drawBookmark(rect, gc);
  73             lastBookmarkX = rect.x;
  74         } else if (lastBookmarkX == rect.x - 1) {
  75             Rectangle r = new Rectangle(lastBookmarkX, rect.y, rect.width, rect.height);
  76             drawBookmark(r, gc);
  77         } else {
  78             lastBookmarkX = Integer.MIN_VALUE;
  79         }
  80         if (((TimeChartEvent) event).isSearchMatch()) {
  81             drawSearchMatch(rect, gc);
  82         }
  83     }
  84
  85     private static void drawBookmark(Rectangle r, GC gc) {
  86         gc.setForeground(BOOKMARK_OUTER_COLOR);
  87         gc.drawLine(r.x - 1, r.y - 2, r.x - 1, r.y + 2);
  88         gc.drawLine(r.x + 1, r.y - 2, r.x + 1, r.y + 2);
  89         gc.drawPoint(r.x, r.y - 2);
  90         gc.setForeground(BOOKMARK_INNER_COLOR);
  91         gc.drawLine(r.x, r.y - 1, r.x, r.y + 1);
  92         gc.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_WHITE));
  93         gc.drawPoint(r.x - 1, r.y + 3);
  94         gc.drawPoint(r.x, r.y + 2);
  95         gc.drawPoint(r.x + 1, r.y + 3);
  96     }
  97
  98     private static void drawSearchMatch(Rectangle r, GC gc) {
  99         gc.setForeground(SEARCH_MATCH_COLOR);
 100         gc.drawPoint(r.x, r.y + r.height);
 101         gc.drawLine(r.x - 1, r.y + r.height + 1, r.x + 1, r.y + r.height + 1);
 102         gc.drawLine(r.x - 2, r.y + r.height + 2, r.x + 2, r.y + r.height + 2);
 103     }
 104 }