Bug 378401: Implementation of time graph widget.

[deliverable/tracecompass.git] / org.eclipse.linuxtools.tmf.ui / src / org / eclipse / linuxtools / tmf / ui / views / colors / TickColorDialog.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.colors;\r
\r
import org.eclipse.jface.dialogs.Dialog;\r
import org.eclipse.linuxtools.internal.tmf.ui.Messages;\r
import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets.TimeGraphColorScheme;\r
import org.eclipse.swt.SWT;\r
import org.eclipse.swt.events.MouseAdapter;\r
import org.eclipse.swt.events.MouseEvent;\r
import org.eclipse.swt.events.PaintEvent;\r
import org.eclipse.swt.events.PaintListener;\r
import org.eclipse.swt.graphics.Color;\r
import org.eclipse.swt.graphics.GC;\r
import org.eclipse.swt.graphics.Point;\r
import org.eclipse.swt.graphics.Rectangle;\r
import org.eclipse.swt.layout.GridData;\r
import org.eclipse.swt.layout.GridLayout;\r
import org.eclipse.swt.widgets.Canvas;\r
import org.eclipse.swt.widgets.Composite;\r
import org.eclipse.swt.widgets.Control;\r
import org.eclipse.swt.widgets.Display;\r
import org.eclipse.swt.widgets.Shell;\r
\r
public class TickColorDialog extends Dialog {\r
\r
    int selectedIndex = 0;\r
    Composite colorComposite;\r
\r
    TimeGraphColorScheme traceColorScheme = new TimeGraphColorScheme();\r
\r
    protected TickColorDialog(Shell shell) {\r
        super(shell);\r
        setShellStyle(getShellStyle() | SWT.MAX);\r
    }\r
\r
    /* (non-Javadoc)\r
     * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)\r
     */\r
    @Override\r
    protected Control createDialogArea(Composite parent) {\r
        getShell().setText(Messages.TickColorDialog_TickColorDialogTitle);\r
        //getShell().setMinimumSize(getShell().computeSize(500, 200));\r
        Composite composite = (Composite) super.createDialogArea(parent);\r
        colorComposite = new Composite(composite, SWT.NONE);\r
        colorComposite.setLayout(new GridLayout(4, false));\r
\r
        for (int i = 0; i < 16; i++) {\r
            TickColorCanvas tickColorCanvas = new TickColorCanvas(colorComposite, SWT.NONE);\r
            tickColorCanvas.setColorIndex(i);\r
        }\r
\r
        return composite;\r
    }\r
\r
    public void setColorIndex(int colorIndex) {\r
        selectedIndex = colorIndex;\r
    }\r
\r
    public int getColorIndex() {\r
        return selectedIndex;\r
    }\r
\r
    private class TickColorCanvas extends Canvas {\r
        int colorIndex;\r
\r
        public TickColorCanvas(Composite parent, int style) {\r
            super(parent, style);\r
\r
            GridData gd = new GridData(SWT.CENTER, SWT.FILL, true, false);\r
            gd.widthHint = 40;\r
            gd.heightHint = 25;\r
            setLayoutData(gd);\r
            setBackground(traceColorScheme.getBkColor(false, false, false));\r
\r
            addPaintListener(new PaintListener() {\r
                @Override\r
                public void paintControl(PaintEvent e) {\r
                    e.gc.setForeground(traceColorScheme.getColor(TimeGraphColorScheme.MID_LINE));\r
                    int midy = e.y + e.height / 2;\r
                    e.gc.drawLine(e.x, midy, e.x + e.width, midy);\r
                    int midx = e.x + e.width / 2;\r
                    Rectangle rect = new Rectangle(midx - 10, e.y + 3, 0, e.height - 6);\r
                    for (int i = 1; i <= 3; i++) {\r
                        rect.x += i;\r
                        rect.width = i;\r
                        e.gc.setBackground(traceColorScheme.getColor(colorIndex));\r
                        e.gc.fillRectangle(rect);\r
                    }\r
                    for (int i = 3; i > 0; i--) {\r
                        rect.x += i + 2;\r
                        rect.width = i;\r
                        e.gc.setBackground(traceColorScheme.getColor(colorIndex));\r
                        e.gc.fillRectangle(rect);\r
                    }\r
                    if (selectedIndex == colorIndex) {\r
                        Color borderColor = Display.getDefault().getSystemColor(SWT.COLOR_BLACK);\r
                        Point p = TickColorCanvas.this.getSize();\r
                        rect = new Rectangle(0, 0, p.x - 1, p.y - 1);\r
                        GC gc = e.gc;\r
                        gc.setForeground(borderColor);\r
                        gc.drawRectangle(rect);\r
                    }\r
                }});\r
\r
            addMouseListener(new MouseAdapter() {\r
                @Override\r
                public void mouseUp(MouseEvent e) {\r
                    selectedIndex = colorIndex;\r
                    colorComposite.redraw(0, 0, colorComposite.getBounds().width, colorComposite.getBounds().height, true);\r
                }});\r
        }\r
\r
        public void setColorIndex(int index) {\r
            colorIndex = index;\r
        }\r
    }\r
\r
\r
}\r