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

   1 /*******************************************************************************
   2  * Copyright (c) 2010, 2012 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.ITimeGraphPresentationProvider;
  18 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.StateItem;
  19 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.TimeGraphPresentationProvider;
  20 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent;
  21 import org.eclipse.swt.SWT;
  22 import org.eclipse.swt.graphics.Color;
  23 import org.eclipse.swt.graphics.GC;
  24 import org.eclipse.swt.graphics.Rectangle;
  25 import org.eclipse.swt.widgets.Display;
  26
  27 /**
  28  * Provider for a time chart analysis view
  29  *
  30  * @version 1.0
  31  * @author Patrick Tasse
  32  */
  33 public class TimeChartAnalysisProvider extends TimeGraphPresentationProvider {
  34
  35     private static final Color BOOKMARK_INNER_COLOR = new Color(Display.getDefault(), 115, 165, 224);
  36     private static final Color BOOKMARK_OUTER_COLOR = new Color(Display.getDefault(), 2, 70, 140);
  37     private static final Color SEARCH_MATCH_COLOR = new Color(Display.getDefault(), 177, 118, 14);
  38
  39     private int lastX = Integer.MIN_VALUE;
  40     private int currX = Integer.MIN_VALUE;
  41     private int lastPriority;
  42     private int lastBookmarkX = Integer.MIN_VALUE;
  43
  44     @Override
  45     public StateItem[] getStateTable() {
  46
  47         ColorSetting[] settings = ColorSettingsManager.getColorSettings();
  48         StateItem[] stateItems = new StateItem[settings.length];
  49         for (int i = 0; i < settings.length; i++) {
  50             stateItems[i] = new StateItem(settings[i].getTickColorRGB());
  51         }
  52         return stateItems;
  53     }
  54
  55     @Override
  56     public int getStateTableIndex(ITimeEvent event) {
  57         if (! ((TimeChartEvent) event).isVisible()) {
  58             return ITimeGraphPresentationProvider.INVISIBLE;
  59         }
  60         int priority = ((TimeChartEvent) event).getColorSettingPriority();
  61         if (currX == lastX) {
  62             priority = Math.min(priority, lastPriority);
  63         }
  64         lastPriority = priority;
  65         return priority;
  66     }
  67
  68     @Override
  69     public void postDrawEvent(ITimeEvent event, Rectangle rect, GC gc) {
  70         if (! ((TimeChartEvent) event).isVisible()) {
  71             return;
  72         }
  73         lastX = currX;
  74         currX = rect.x;
  75         if (lastBookmarkX == rect.x || ((TimeChartEvent) event).isBookmarked()) {
  76             drawBookmark(rect, gc);
  77             lastBookmarkX = rect.x;
  78         } else if (lastBookmarkX == rect.x - 1) {
  79             Rectangle r = new Rectangle(lastBookmarkX, rect.y, rect.width, rect.height);
  80             drawBookmark(r, gc);
  81         } else {
  82             lastBookmarkX = Integer.MIN_VALUE;
  83         }
  84         if (((TimeChartEvent) event).isSearchMatch()) {
  85             drawSearchMatch(rect, gc);
  86         }
  87     }
  88
  89     private static void drawBookmark(Rectangle r, GC gc) {
  90         gc.setForeground(BOOKMARK_OUTER_COLOR);
  91         gc.drawLine(r.x - 1, r.y - 2, r.x - 1, r.y + 2);
  92         gc.drawLine(r.x + 1, r.y - 2, r.x + 1, r.y + 2);
  93         gc.drawPoint(r.x, r.y - 2);
  94         gc.setForeground(BOOKMARK_INNER_COLOR);
  95         gc.drawLine(r.x, r.y - 1, r.x, r.y + 1);
  96         gc.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_WHITE));
  97         gc.drawPoint(r.x - 1, r.y + 3);
  98         gc.drawPoint(r.x, r.y + 2);
  99         gc.drawPoint(r.x + 1, r.y + 3);
 100     }
 101
 102     private static void drawSearchMatch(Rectangle r, GC gc) {
 103         gc.setForeground(SEARCH_MATCH_COLOR);
 104         gc.drawPoint(r.x, r.y + r.height);
 105         gc.drawLine(r.x - 1, r.y + r.height + 1, r.x + 1, r.y + r.height + 1);
 106         gc.drawLine(r.x - 2, r.y + r.height + 2, r.x + 2, r.y + r.height + 2);
 107     }
 108 }