peakml.util.swt.widget.TimePlot.java Source code

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Here is the source code for peakml.util.swt.widget.TimePlot.java

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/* Copyright (C) 2008, Groningen Bioinformatics Centre (http://gbic.biol.rug.nl/)
 * This file is part of PeakML.
 * 
 * PeakML is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 * 
 * PeakML is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with PeakML; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

package peakml.util.swt.widget;

// java
import java.awt.Color;

// eclipse
import org.eclipse.swt.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;

// jfreechart
import org.jfree.chart.*;

// peakml
import peakml.util.jfreechart.*;

/**
* 
*/
public class TimePlot extends Composite {
    // constructor(s)
    public TimePlot(Composite parent, int style) {
        super(parent, SWT.EMBEDDED | style);

        // layout
        setLayout(new FillLayout());

        // create the components
        timeplot = new peakml.util.jfreechart.FastTimePlot("", "");
        timeplot.setBackgroundPaint(Color.WHITE);
        linechart = new JFreeChart("", timeplot);
        linechart.setBackgroundPaint(Color.WHITE);

        // add the components
        // --------------------------------------------------------------------------------
        // This uses the SWT-trick for embedding AWT-controls in an SWT-Composite.
        // 2009-10-17: Tested the SWT setup in jfreechart.experimental - this is still better.
        try {
            System.setProperty("sun.awt.noerasebackground", "true");
        } catch (NoSuchMethodError error) {
            ;
        }

        java.awt.Frame frame = org.eclipse.swt.awt.SWT_AWT.new_Frame(this);
        ChartPanel panel = new ChartPanel(linechart, false, false, false, false, false);

        panel.setFillZoomRectangle(true);
        panel.setMouseZoomable(true, true);

        // create a new ChartPanel, without the popup-menu (5x false)
        frame.add(panel);
        // --------------------------------------------------------------------------------
    }

    // access
    public void clear() {
        timeplot.clear();
    }

    public void addData(FastTimePlot.Data data) {
        timeplot.addData(data);
    }

    public FastTimePlot getFastTimePlot() {
        return timeplot;
    }

    public java.awt.image.BufferedImage getGraphImage(int width, int height) {
        java.awt.image.BufferedImage img = new java.awt.image.BufferedImage(width, height,
                java.awt.image.BufferedImage.TYPE_INT_ARGB);
        java.awt.Graphics2D g = img.createGraphics();

        g.setRenderingHint(java.awt.RenderingHints.KEY_ANTIALIASING, java.awt.RenderingHints.VALUE_ANTIALIAS_ON);

        linechart.draw(g, new java.awt.Rectangle(0, 0, width, height));

        return img;
    }

    public JFreeChart getChart() {
        return linechart;
    }

    // data
    protected JFreeChart linechart;
    protected FastTimePlot timeplot;
}