chartprogressevent.java

Web图形化的Java库

/* ======================================
 * JFreeChart : a free Java chart library
 * ======================================
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 * Project Lead:  David Gilbert ([e-mail]);
 *
 * (C) Copyright 2000-2003, by Object Refinery Limited and Contributors.
 *
 * 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.
 *
 * -----------------------
 * ChartProgressEvent.java
 * -----------------------
 * (C) Copyright 2003, by Object Refinery Limited.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: ChartProgressEvent.java,v 1.4 2003/06/13 15:46:10 mungady Exp $
 *
 * Changes
 * -------
 * 14-Jan-2003 : Version 1 (DG);
 *
 */

package org.jfree.chart.event;

import org.jfree.chart.JFreeChart;

/**
 * An event that contains information about the drawing progress of a chart.
 *
 * @author David Gilbert
 */
public class ChartProgressEvent extends java.util.EventObject {

    /** Indicates drawing has started. */
    public static final int DRAWING_STARTED = 1;

    /** Indicates drawing has finished. */
    public static final int DRAWING_FINISHED = 2;

    /** The type of event. */
    private int type;

    /** The percentage of completion. */
    private int percent;

    /** The chart that generated the event. */
    private JFreeChart chart;

    /**
     * Creates a new chart change event.
     *
     * @param source  the source of the event (could be the chart, a title, an axis etc.)
     * @param chart  the chart that generated the event.
     * @param type  the type of event.
     * @param percent  the percentage of completion.
     */
    public ChartProgressEvent(Object source, JFreeChart chart, int type, int percent) {
        super(source);
        this.chart = chart;
        this.type = type;
    }

    /**
     * Returns the chart that generated the change event.
     *
     * @return the chart that generated the change event.
     */
    public JFreeChart getChart() {
        return chart;
    }

    /**
     * Sets the chart that generated the change event.
     *
     * @param chart  the chart that generated the event.
     */
    public void setChart(JFreeChart chart) {
        this.chart = chart;
    }

    /**
     * Returns the event type.
     *
     * @return the event type.
     */
    public int getType() {
        return this.type;
    }

    /**
     * Sets the event type.
     *
     * @param type  the event type.
     */
    public void setType(int type) {
        this.type = type;
    }

    /**
     * Returns the percentage complete.
     *
     * @return The percentage complete.
     */
    public int getPercent() {
        return this.percent;
    }

    /**
     * Sets the percentage complete.
     *
     * @param percent  the percentage.
     */
    public void setPercent(int percent) {
        this.percent = percent;
    }

}