home | career | drupal | java | mac | mysql | perl | scala | uml | unix  

jfreechart example source code file (CombinedCategoryPlot.java)

This example jfreechart source code file (CombinedCategoryPlot.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - jfreechart tags/keywords

categoryaxis, categoryplot, categoryplot, combinedcategoryplot, combinedcategoryplot, combineddomaincategoryplot, iterator, iterator, range, range, util, valueaxis

The jfreechart CombinedCategoryPlot.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * -------------------------
 * CombinedCategoryPlot.java
 * -------------------------
 * (C) Copyright 2008, by Richard West and Contributors.
 *
 * Original Author:  Richard West, Advanced Micro Devices, Inc.;
 * Contributor(s):   David Gilbert (for Object Refinery Limited);
 *
 * Changes
 * -------
 * 02-Feb-2007 : Version 1, contributed by Richard West - see
 *               patch 1924543 (DG);
 *
 */

package org.jfree.experimental.chart.plot;

import java.util.Iterator;

import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.CombinedDomainCategoryPlot;
import org.jfree.data.Range;

/**
 * A specialised form of {@link CombinedDomainCategoryPlot} where the
 * subplots share not only the same x-axis, but also the same y-axis.
 */
public class CombinedCategoryPlot extends CombinedDomainCategoryPlot {

    /**
     * Creates a new instance with the specified axes.
     *
     * @param domainAxis  the x-axis.
     * @param rangeAxis  the y-axis.
     */
    public CombinedCategoryPlot (CategoryAxis domainAxis, ValueAxis rangeAxis) {
        super(domainAxis);
        super.setGap(10.0);
        super.setRangeAxis(rangeAxis);
    }

    /**
     * Adds a new subplot with weight <code>1.
     *
     * @param subplot  the subplot.
     */
    public void add(CategoryPlot subplot) {
        this.add(subplot, 1);
    }

    /**
     * Adds a new subplot with the specified weight.
     *
     * @param subplot  the subplot.
     * @param weight  the weight for the subplot.
     */
    public void add(CategoryPlot subplot, int weight) {
        super.add(subplot, weight);

        ValueAxis l_range = super.getRangeAxis();
        subplot.setRangeAxis(0, l_range, false);

        super.setRangeAxis(l_range);
        if (null == l_range) {
            return;
        }

        l_range.configure();
    }

    /**
     * Returns the bounds of the data values that will be plotted against
     * the specified axis.
     *
     * @param axis  the axis.
     *
     * @return The bounds.
     */
    public Range getDataRange(ValueAxis axis) {
        Range l_result = null;
        Iterator l_itr = getSubplots().iterator();
        while (l_itr.hasNext()) {
            CategoryPlot l_subplot = (CategoryPlot) l_itr.next();

            l_result = Range.combine(l_result, l_subplot.getDataRange(axis));
        }
        return l_result;
    }

    /**
     * Sets the range axis that is shared by all the subplots.
     *
     * @param axis  the axis.
     */
    public void setRangeAxis(ValueAxis axis) {
        Iterator l_itr = getSubplots().iterator();
        while (l_itr.hasNext()) {
            CategoryPlot l_subplot = (CategoryPlot) l_itr.next();
            l_subplot.setRangeAxis(0, axis, false);
        }

        super.setRangeAxis(axis);
        if (null == axis) {
            return;
        }

        axis.configure();
    }
}


Other jfreechart examples (source code examples)

Here is a short list of links related to this jfreechart CombinedCategoryPlot.java source code file:



my book on functional programming

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.