net.sf.statcvs.output.xml.chart.AbstractChart.java Source code

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Here is the source code for net.sf.statcvs.output.xml.chart.AbstractChart.java

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/*
StatCvs - CVS statistics generation 
Copyright (C) 2002  Lukasz Pekacki <lukasz@pekacki.de>
http://statcvs.sf.net/
    
This library 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.
    
This library 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 this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    
   $RCSfile: AbstractChart.java,v $
   $Date: 2004/01/12 21:00:21 $ 
*/
package net.sf.statcvs.output.xml.chart;

import java.awt.Color;
import java.awt.Font;
import java.io.File;
import java.io.IOException;
import java.util.logging.Logger;

import net.sf.statcvs.Settings;
import net.sf.statcvs.util.FileUtils;

import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.Spacer;
import org.jfree.chart.title.TextTitle;
import org.jfree.ui.HorizontalAlignment;
import org.jfree.ui.RectangleEdge;

/**
 * AbstractChart
 * 
 * @author Tammo van Lessen
 */
public abstract class AbstractChart {
    private final static Logger logger = Logger.getLogger("net.sf.statcvs.output.xml.chart.Chart");

    private String filename;
    private String title;
    private JFreeChart chart;

    public AbstractChart(String filename, String title) {
        this.filename = filename;
        this.title = title;
    }

    /** 
     * get chart
     * @return chart the chart
     */
    public JFreeChart getChart() {
        return chart;
    }

    /** 
     * set chart
     * @param chart the chart
     */
    public void setChart(JFreeChart chart) {
        this.chart = chart;
    }

    /** 
     * get filename
     * @return filename file name
     */
    public String getFilename() {
        return filename;
    }

    /** 
     * set filename
     * @param filename file name
     */
    public void setFilename(String filename) {
        this.filename = filename;
    }

    /**
     * create chart with titles and credit information
     */
    public void placeTitle() {
        Font font = new Font("SansSerif", Font.PLAIN, 12);
        Font creditInformationFont = new Font("SansSerif", Font.PLAIN, 9);

        TextTitle title = new TextTitle(this.title, font);
        title.setSpacer(new Spacer(Spacer.RELATIVE, 0.05, 0.05, 0.05, 0.0));
        chart.addSubtitle(title);

        if (Settings.getShowCreditInformation()) {
            TextTitle copyright = new TextTitle("generated by statcvs-xml", creditInformationFont);
            copyright.setPosition(RectangleEdge.BOTTOM);
            copyright.setHorizontalAlignment(HorizontalAlignment.RIGHT);
            chart.addSubtitle(copyright);
        }

        chart.setBackgroundPaint(Color.white);
    }

    public void save() throws IOException {
        // TODO: Make it configurable!
        save(640, 480);
    }

    public void save(int width, int height) throws IOException {
        save(width, height, this.filename);
    }

    public void save(int width, int height, String filename) throws IOException {
        ChartUtilities.saveChartAsPNG(new File(FileUtils.getFilenameWithDirectory(filename)), chart, width, height);
        logger.fine("saved chart '" + title + "' as '" + filename + "'");
    }

    /**
     * @return
     */
    public String getTitle() {
        return title;
    }

    /**
     * @param string
     */
    public void setTitle(String string) {
        title = string;
    }

    public void setChartTitle(String string) {
        if (chart != null) {
            chart.setTitle(string);
        }
    }

    public boolean isRendered() {
        return (chart != null);
    }

    public int getPreferedHeight() {
        return 0;
    }

    public int getPreferedWidth() {
        return 0;
    }
}