dynamicdrivetooltiptagfragmentgenerator.java

来自「JfreeChart 常用图表例子」· Java 代码 · 共 92 行

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2005, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
 * in the United States and other countries.]
 *
 * --------------------------------------------
 * DynamicDriveToolTipTagFragmentGenerator.java
 * --------------------------------------------
 * (C) Copyright 2003-2005, by Richard Atkinson and Contributors.
 *
 * Original Author:  Richard Atkinson;
 *
 * $Id: DynamicDriveToolTipTagFragmentGenerator.java,v 1.3 2005/03/04 12:21:28 mungady Exp $
 *
 * Changes
 * -------
 * 12-Aug-2003 : Version 1 (RA);
 * 
 */
 
package org.jfree.chart.imagemap;

/**
 * Generates tooltips using the Dynamic Drive DHTML Tip Message 
 * library (http://www.dynamicdrive.com).
 *
 * @author Richard Atkinson
 */
public class DynamicDriveToolTipTagFragmentGenerator 
    implements ToolTipTagFragmentGenerator {

    /** The title, empty string not to display */
    protected String title = "";

    /** The style number */
    protected int style = 1;

    /**
     * Blank constructor.
     */
    public DynamicDriveToolTipTagFragmentGenerator() {
        super();
    }

    /**
     * Creates a new generator with specific title and style settings.
     *
     * @param title  title for use in all tooltips, use empty String not to 
     *               display a title.
     * @param style  style number, see http://www.dynamicdrive.com for more 
     *               information.
     */
    public DynamicDriveToolTipTagFragmentGenerator(String title, int style) {
        this.title = title;
        this.style = style;
    }

    /**
     * Generates a tooltip string to go in an HTML image map.
     *
     * @param toolTipText  the tooltip.
     * 
     * @return The formatted HTML area tag attribute(s).
     */
    public String generateToolTipFragment(String toolTipText) {
        return " onMouseOver=\"return stm(['" + this.title + "','" 
            + toolTipText + "'],Style[" + this.style + "]);\"" 
            + " onMouseOut=\"return htm();\"";
    }

}