jfreechart example source code file (Pannable.java)

This example jfreechart source code file (Pannable.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

awt, geometry, pannable, pannable, plotorientation, plotorientation, plotrenderinginfo, plotrenderinginfo, point2d, point2d

The jfreechart Pannable.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2009, 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.]
 *
 * -------------
 * Pannable.java
 * -------------
 *
 * (C) Copyright 2009, by Object Refinery Limited and Contributors.
 *
 * Original Author:  Ulrich Voigt - patch 2686040;
 * Contributor(s):   David Gilbert (for Object Refinery Limited);
 *
 * Changes
 * -------
 * 19-Mar-2009 : Version 1, with modifications from patch by UV (DG);
 *
 */

package org.jfree.chart.plot;

import java.awt.geom.Point2D;

import org.jfree.chart.ChartPanel;

/**
 * An interface that the {@link ChartPanel} class uses to communicate with
 * plots that support panning.
 *
 * @since 1.0.13
 */
public interface Pannable {

    /**
     * Returns the orientation of the plot.
     *
     * @return The orientation (never <code>null).
     */
    public PlotOrientation getOrientation();

    /**
     * Evaluates if the domain axis can be panned.
     *
     * @return <code>true if the domain axis is pannable.
     */
    public boolean isDomainPannable();

    /**
     * Evaluates if the range axis can be panned.
     *
     * @return <code>true if the range axis is pannable.
     */
    public boolean isRangePannable();

    /**
     * Pans the domain axes by the specified percentage.
     *
     * @param percent  the distance to pan (as a percentage of the axis length).
     * @param info the plot info
     * @param source the source point where the pan action started.
     */
    public void panDomainAxes(double percent, PlotRenderingInfo info,
            Point2D source);

    /**
     * Pans the range axes by the specified percentage.
     *
     * @param percent  the distance to pan (as a percentage of the axis length).
     * @param info the plot info
     * @param source the source point where the pan action started.
     */
    public void panRangeAxes(double percent, PlotRenderingInfo info,
            Point2D source);

}