tmf: Update Javadoc throughout tmf.ui

[deliverable/tracecompass.git] / org.eclipse.linuxtools.tmf.ui / src / org / eclipse / linuxtools / tmf / ui / views / timechart / TimeChartAnalysisProvider.java

/*******************************************************************************\r
 * Copyright (c) 2010 Ericsson\r
 *\r
 * All rights reserved. This program and the accompanying materials are\r
 * made available under the terms of the Eclipse Public License v1.0 which\r
 * accompanies this distribution, and is available at\r
 * http://www.eclipse.org/legal/epl-v10.html\r
 *\r
 * Contributors:\r
 *   Patrick Tasse - Initial API and implementation\r
 *******************************************************************************/\r
\r
package org.eclipse.linuxtools.tmf.ui.views.timechart;\r
\r
import org.eclipse.linuxtools.tmf.ui.views.colors.ColorSetting;\r
import org.eclipse.linuxtools.tmf.ui.views.colors.ColorSettingsManager;\r
import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.StateItem;\r
import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.TimeGraphPresentationProvider;\r
import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent;\r
import org.eclipse.swt.SWT;\r
import org.eclipse.swt.graphics.Color;\r
import org.eclipse.swt.graphics.GC;\r
import org.eclipse.swt.graphics.Rectangle;\r
import org.eclipse.swt.widgets.Display;\r
\r
/**\r
 * Provider for a time chart analysis view\r
 *\r
 * @version 1.0\r
 * @author Patrick Tasse\r
 */\r
public class TimeChartAnalysisProvider extends TimeGraphPresentationProvider {\r
\r
    private static final Color BOOKMARK_INNER_COLOR = new Color(Display.getDefault(), 115, 165, 224);\r
    private static final Color BOOKMARK_OUTER_COLOR = new Color(Display.getDefault(), 2, 70, 140);\r
    private static final Color SEARCH_MATCH_COLOR = new Color(Display.getDefault(), 177, 118, 14);\r
\r
    private int lastX = Integer.MIN_VALUE;\r
    private int currX = Integer.MIN_VALUE;\r
    private int lastPriority;\r
    private int lastBookmarkX = Integer.MIN_VALUE;\r
\r
    @Override\r
    public StateItem[] getStateTable() {\r
\r
        ColorSetting[] settings = ColorSettingsManager.getColorSettings();\r
        StateItem[] stateItems = new StateItem[settings.length];\r
        for (int i = 0; i < settings.length; i++) {\r
            stateItems[i] = new StateItem(settings[i].getTickColorRGB());\r
        }\r
        return stateItems;\r
    }\r
\r
    @Override\r
    public int getStateTableIndex(ITimeEvent event) {\r
        int priority = ((TimeChartEvent) event).getColorSettingPriority();\r
        if (currX == lastX) {\r
            priority = Math.min(priority, lastPriority);\r
        }\r
        lastPriority = priority;\r
        return priority;\r
    }\r
\r
    @Override\r
    public void postDrawEvent(ITimeEvent event, Rectangle rect, GC gc) {\r
        if (! ((TimeChartEvent) event).isVisible()) {\r
            return;\r
        }\r
        lastX = currX;\r
        currX = rect.x;\r
        if (lastBookmarkX == rect.x || ((TimeChartEvent) event).isBookmarked()) {\r
            drawBookmark(rect, gc);\r
            lastBookmarkX = rect.x;\r
        } else if (lastBookmarkX == rect.x - 1) {\r
            Rectangle r = new Rectangle(lastBookmarkX, rect.y, rect.width, rect.height);\r
            drawBookmark(r, gc);\r
        } else {\r
            lastBookmarkX = Integer.MIN_VALUE;\r
        }\r
        if (((TimeChartEvent) event).isSearchMatch()) {\r
            drawSearchMatch(rect, gc);\r
        }\r
    }\r
\r
    private void drawBookmark(Rectangle r, GC gc) {\r
        gc.setForeground(BOOKMARK_OUTER_COLOR);\r
        gc.drawLine(r.x - 1, r.y - 2, r.x - 1, r.y + 2);\r
        gc.drawLine(r.x + 1, r.y - 2, r.x + 1, r.y + 2);\r
        gc.drawPoint(r.x, r.y - 2);\r
        gc.setForeground(BOOKMARK_INNER_COLOR);\r
        gc.drawLine(r.x, r.y - 1, r.x, r.y + 1);\r
        gc.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_WHITE));\r
        gc.drawPoint(r.x - 1, r.y + 3);\r
        gc.drawPoint(r.x, r.y + 2);\r
        gc.drawPoint(r.x + 1, r.y + 3);\r
    }\r
\r
    private void drawSearchMatch(Rectangle r, GC gc) {\r
        gc.setForeground(SEARCH_MATCH_COLOR);\r
        gc.drawPoint(r.x, r.y + r.height);\r
        gc.drawLine(r.x - 1, r.y + r.height + 1, r.x + 1, r.y + r.height + 1);\r
        gc.drawLine(r.x - 2, r.y + r.height + 2, r.x + 2, r.y + r.height + 2);\r
    }\r
}\r