org.gaixie.micrite.jfreechart.style.PieStyle.java Source code

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Here is the source code for org.gaixie.micrite.jfreechart.style.PieStyle.java

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/* ===========================================================
 * $Id: PieStyle.java 488 2009-08-07 08:11:28Z yebo2009@gmail.com $
 * This file is part of Micrite
 * ===========================================================
 *
 * (C) Copyright 2009, by Gaixie.org and Contributors.
 * 
 * Project Info:  http://micrite.gaixie.org/
 *
 * Micrite is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Micrite 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Micrite.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.gaixie.micrite.jfreechart.style;

import java.awt.Color;
import java.awt.Paint;

import org.jfree.chart.JFreeChart;
import org.jfree.chart.block.BlockBorder;
import org.jfree.chart.block.BlockContainer;
import org.jfree.chart.block.BorderArrangement;
import org.jfree.chart.labels.StandardPieSectionLabelGenerator;
import org.jfree.chart.plot.PiePlot;
import org.jfree.chart.title.LegendTitle;
import org.jfree.data.general.PieDataset;
import org.jfree.ui.RectangleEdge;

/**
 * ?
 */
public class PieStyle {

    /**
     * 
     */
    public static Paint colors[] = { Color.decode("#88AACC"), Color.decode("#999933"), Color.decode("#666699"),
            Color.decode("#CC9933"), Color.decode("#006666"), Color.decode("#3399FF"), Color.decode("#993300"),
            Color.decode("#AAAA77"), Color.decode("#666666"), Color.decode("#FFCC66"), Color.decode("#6699CC"),
            Color.decode("#663366"), Color.decode("#9999CC"), Color.decode("#AAAAAA"), Color.decode("#669999"),
            Color.decode("#BBBB55"), Color.decode("#CC6600"), Color.decode("#9999FF"), Color.decode("#0066CC"),
            Color.decode("#99CCCC"), Color.decode("#999999"), Color.decode("#FFCC00"), Color.decode("#009999"),
            Color.decode("#99CC33"), Color.decode("#FF9900"), Color.decode("#999966"), Color.decode("#66CCCC"),
            Color.decode("#339966"), Color.decode("#CCCC33") };

    /**
     * 
     * <p>
     * ?#EEE,??  
     * @param chart JFreeChart
     */
    public static void setBackground(JFreeChart chart) {
        chart.setBackgroundPaint(null);
    }

    /**
     * ?
     * <p>
     * micrite
     * @param chart JFreeChart
     */
    public static void styleDefault(JFreeChart chart) {
        PieStyle.setBackground(chart);

    }

    /**
     * ?1 ,? Familiar(30%) 
     * @param chart
     */
    public static void styleOne(JFreeChart chart) {
        PiePlot plot = (PiePlot) chart.getPlot();
        PieDataset pd = plot.getDataset();
        PieStyle.setBackground(chart);
        if (pd != null) {
            //?
            plot.setLabelGenerator(new StandardPieSectionLabelGenerator("{0} ({2})"));
            //??
            for (int i = 0; i < pd.getItemCount(); i++) {
                int color = i % colors.length;
                plot.setSectionPaint(pd.getKey(i), colors[color]);
            }
        } else {
            plot.setNoDataMessage("NO DATA");
        }

    }

    /**
     * ?2???block
     * <p>
     * ? LegendTitle
     * @param chart JFreeChart
     */
    public static void styleTwo(JFreeChart chart) {
        PiePlot plot = (PiePlot) chart.getPlot();

        PieStyle.setBackground(chart);

        // LegendTitleblockblock
        BlockContainer block = new BlockContainer(new BorderArrangement());
        block.setBorder(new BlockBorder(1.0D, 1.0D, 1.0D, 1.0D));

        // LegendTitleblock
        LegendTitle legend = new LegendTitle(plot);
        BlockContainer legendBlock = legend.getItemContainer();

        // legendBlockblock?
        block.add(legendBlock);
        legend.setWrapper(block);
        legend.setPosition(RectangleEdge.BOTTOM);

        chart.addSubtitle(legend);
        //label
        plot.setLabelGenerator(new StandardPieSectionLabelGenerator("{0} ({2})"));

    }
}