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

jfreechart example source code file (CustomXYToolTipGenerator.java)

This example jfreechart source code file (CustomXYToolTipGenerator.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

cloneable, clonenotsupportedexception, customxytooltipgenerator, customxytooltipgenerator, io, list, list, object, publiccloneable, publiccloneable, serializable, string, string, util, xytooltipgenerator

The jfreechart CustomXYToolTipGenerator.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.]
 *
 * -------------------------------
 * CustomXYItemLabelGenerator.java
 * -------------------------------
 * (C) Copyright 2002-2008, by Richard Atkinson and Contributors.
 *
 * Original Author:  Richard Atkinson;
 * Contributor(s):   David Gilbert (for Object Refinery Limited);
 *
 * Changes:
 * --------
 * 05-Aug-2002 : Version 1, contributed by Richard Atkinson (RA);
 * 26-Sep-2002 : Fixed errors reported by Checkstyle (DG);
 * 21-Mar-2003 : Implemented Serializable (DG);
 * 13-Aug-2003 : Implemented Cloneable (DG);
 * 17-Nov-2003 : Implemented PublicCloneable (DG);
 * 25-Feb-2004 : Renamed XYToolTipGenerator --> XYItemLabelGenerator (DG);
 * 02-Feb-2007 : Removed author tags all over JFreeChart sources (DG);
 *
 */

package org.jfree.chart.labels;

import java.io.Serializable;
import java.util.List;

import org.jfree.data.xy.XYDataset;
import org.jfree.util.PublicCloneable;

/**
 * A tool tip generator that stores custom tooltips. The dataset passed into
 * the generateToolTip method is ignored.
 */
public class CustomXYToolTipGenerator implements XYToolTipGenerator,
        Cloneable, PublicCloneable, Serializable {

    /** For serialization. */
    private static final long serialVersionUID = 8636030004670141362L;

    /** Storage for the tooltip lists. */
    private List toolTipSeries = new java.util.ArrayList();

    /**
     * Default constructor.
     */
    public CustomXYToolTipGenerator() {
        super();
    }

    /**
     * Returns the number of tool tip lists stored by the renderer.
     *
     * @return The list count.
     */
    public int getListCount() {
        return this.toolTipSeries.size();
    }

    /**
     * Returns the number of tool tips in a given list.
     *
     * @param list  the list index (zero based).
     *
     * @return The tooltip count.
     */
    public int getToolTipCount(int list) {

        int result = 0;
        List tooltips = (List) this.toolTipSeries.get(list);
        if (tooltips != null) {
            result = tooltips.size();
        }
        return result;
    }

    /**
     * Returns the tool tip text for an item.
     *
     * @param series  the series index.
     * @param item  the item index.
     *
     * @return The tool tip text.
     */
    public String getToolTipText(int series, int item) {

        String result = null;

        if (series < getListCount()) {
            List tooltips = (List) this.toolTipSeries.get(series);
            if (tooltips != null) {
                if (item < tooltips.size()) {
                    result = (String) tooltips.get(item);
                }
            }
        }

        return result;
    }

    /**
     * Adds a list of tooltips for a series.
     *
     * @param toolTips  the list of tool tips.
     */
    public void addToolTipSeries(List toolTips) {
        this.toolTipSeries.add(toolTips);
    }

    /**
     * Generates a tool tip text item for a particular item within a series.
     *
     * @param data  the dataset (ignored in this implementation).
     * @param series  the series (zero-based index).
     * @param item  the item (zero-based index).
     *
     * @return The tooltip text.
     */
    public String generateToolTip(XYDataset data, int series, int item) {

        return getToolTipText(series, item);

    }

    /**
     * Returns an independent copy of the generator.
     *
     * @return A clone.
     *
     * @throws CloneNotSupportedException if cloning is not supported.
     */
    public Object clone() throws CloneNotSupportedException {

        CustomXYToolTipGenerator clone
            = (CustomXYToolTipGenerator) super.clone();
        if (this.toolTipSeries != null) {
            clone.toolTipSeries = new java.util.ArrayList(this.toolTipSeries);
        }
        return clone;

    }
    /**
     * Tests if this object is equal to another.
     *
     * @param obj  the other object.
     *
     * @return A boolean.
     */
    public boolean equals(Object obj) {

        if (obj == this) {
            return true;
        }

        if (obj instanceof CustomXYToolTipGenerator) {
            CustomXYToolTipGenerator generator = (CustomXYToolTipGenerator) obj;
            boolean result = true;
            for (int series = 0; series < getListCount(); series++) {
                for (int item = 0; item < getToolTipCount(series); item++) {
                    String t1 = getToolTipText(series, item);
                    String t2 = generator.getToolTipText(series, item);
                    if (t1 != null) {
                        result = result && t1.equals(t2);
                    }
                    else {
                        result = result && (t2 == null);
                    }
                }
            }
            return result;
        }

        return false;

    }

}

Other jfreechart examples (source code examples)

Here is a short list of links related to this jfreechart CustomXYToolTipGenerator.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.