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

jfreechart example source code file (StandardCategoryToolTipGenerator.java)

This example jfreechart source code file (StandardCategoryToolTipGenerator.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

abstractcategoryitemlabelgenerator, abstractcategoryitemlabelgenerator, categorytooltipgenerator, categorytooltipgenerator, dateformat, default_tool_tip_format_string, io, numberformat, serializable, standardcategorytooltipgenerator, standardcategorytooltipgenerator, string, string, text

The jfreechart StandardCategoryToolTipGenerator.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.]
 *
 * -------------------------------------
 * StandardCategoryToolTipGenerator.java
 * -------------------------------------
 * (C) Copyright 2004-2008, by Object Refinery Limited.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 11-May-2004 : Version 1 (DG);
 * ------------- JFREECHART 1.0.x ---------------------------------------------
 * 03-May-2006 : Added equals() method to fix bug 1481087 (DG);
 *
 */

package org.jfree.chart.labels;

import java.io.Serializable;
import java.text.DateFormat;
import java.text.NumberFormat;

import org.jfree.data.category.CategoryDataset;

/**
 * A standard tool tip generator that can be used with a
 * {@link org.jfree.chart.renderer.category.CategoryItemRenderer}.
 */
public class StandardCategoryToolTipGenerator
        extends AbstractCategoryItemLabelGenerator
        implements CategoryToolTipGenerator, Serializable {

    /** For serialization. */
    private static final long serialVersionUID = -6768806592218710764L;

    /** The default format string. */
    public static final String DEFAULT_TOOL_TIP_FORMAT_STRING
            = "({0}, {1}) = {2}";

    /**
     * Creates a new generator with a default number formatter.
     */
    public StandardCategoryToolTipGenerator() {
        super(DEFAULT_TOOL_TIP_FORMAT_STRING, NumberFormat.getInstance());
    }

    /**
     * Creates a new generator with the specified number formatter.
     *
     * @param labelFormat  the label format string (<code>null not
     *                     permitted).
     * @param formatter  the number formatter (<code>null not permitted).
     */
    public StandardCategoryToolTipGenerator(String labelFormat,
                                            NumberFormat formatter) {
        super(labelFormat, formatter);
    }

    /**
     * Creates a new generator with the specified date formatter.
     *
     * @param labelFormat  the label format string (<code>null not
     *                     permitted).
     * @param formatter  the date formatter (<code>null not permitted).
     */
    public StandardCategoryToolTipGenerator(String labelFormat,
                                            DateFormat formatter) {
        super(labelFormat, formatter);
    }

    /**
     * Generates the tool tip text for an item in a dataset.  Note: in the
     * current dataset implementation, each row is a series, and each column
     * contains values for a particular category.
     *
     * @param dataset  the dataset (<code>null not permitted).
     * @param row  the row index (zero-based).
     * @param column  the column index (zero-based).
     *
     * @return The tooltip text (possibly <code>null).
     */
    public String generateToolTip(CategoryDataset dataset,
                                  int row, int column) {
        return generateLabelString(dataset, row, column);
    }

    /**
     * Tests this generator for equality with an arbitrary object.
     *
     * @param obj  the object (<code>null permitted).
     *
     * @return A boolean.
     */
    public boolean equals(Object obj) {
        if (obj == this) {
            return true;
        }
        if (!(obj instanceof StandardCategoryToolTipGenerator)) {
            return false;
        }
        return super.equals(obj);
    }

}

Other jfreechart examples (source code examples)

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