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

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

Source

/* 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.util.*;

// eclipse
import java.awt.Color;

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

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

// peakml
import peakml.*;
import peakml.io.*;

import peakml.util.jfreechart.*;

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

        // layout
        setLayout(new FillLayout());

        // create the components
        spectrumplot = new FastSpectrumPlot("mass", "intensity");
        spectrumplot.setBackgroundPaint(Color.WHITE);
        linechart = new JFreeChart("", spectrumplot);
        linechart.setBackgroundPaint(Color.WHITE);

        //      org.jfree.experimental.chart.swt.ChartComposite c =
        //         new org.jfree.experimental.chart.swt.ChartComposite(this, SWT.NONE, linechart);
        //      
        //      c.setRangeZoomable(true);
        //      c.setDomainZoomable(true);

        // 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() {
        current_relationid = -1;
        spectrumplot.clear();
    }

    public void setPeak(IPeak peak, Vector<IPeak> peaks, Header header) {
        if (peak == null)
            return;
        Annotation ann_relationid = peak.getAnnotation(Annotation.relationid);
        if (ann_relationid == null)
            return;
        int relationid = ann_relationid.getValueAsInteger();
        if (relationid == current_relationid)
            return;
        current_relationid = relationid;

        spectrumplot.clear();
        if (peak == null)
            return;

        Vector<IPeak> mypeaks = new Vector<IPeak>();
        for (IPeak p : peaks) {
            Annotation my_ann_relationid = p.getAnnotation(Annotation.relationid);
            if (my_ann_relationid == null)
                continue;

            int my_relationid = my_ann_relationid.getValueAsInteger();
            if (my_relationid == relationid)
                mypeaks.add(p);
        }

        for (IPeak p : mypeaks) {
            Annotation ann_relation = p.getAnnotation(Annotation.relationship);
            Annotation ann_reaction = p.getAnnotation("reaction");
            String description = ann_reaction != null ? ann_reaction.getValue()
                    : ann_relation != null ? ann_relation.getValue() : "";

            spectrumplot.addData(new FastSpectrumPlot.Data(p.getMass(), p.getIntensity(), description));
        }
    }

    // data
    protected int current_relationid = -1;

    protected JFreeChart linechart;
    protected FastSpectrumPlot spectrumplot;
}