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