001/* =========================================================== 002 * Orson Charts : a 3D chart library for the Java(tm) platform 003 * =========================================================== 004 * 005 * (C)opyright 2013-2022, by David Gilbert. All rights reserved. 006 * 007 * https://github.com/jfree/orson-charts 008 * 009 * This program is free software: you can redistribute it and/or modify 010 * it under the terms of the GNU General Public License as published by 011 * the Free Software Foundation, either version 3 of the License, or 012 * (at your option) any later version. 013 * 014 * This program is distributed in the hope that it will be useful, 015 * but WITHOUT ANY WARRANTY; without even the implied warranty of 016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 017 * GNU General Public License for more details. 018 * 019 * You should have received a copy of the GNU General Public License 020 * along with this program. If not, see <http://www.gnu.org/licenses/>. 021 * 022 * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 023 * Other names may be trademarks of their respective owners.] 024 * 025 * If you do not wish to be bound by the terms of the GPL, an alternative 026 * commercial license can be purchased. For details, please see visit the 027 * Orson Charts home page: 028 * 029 * http://www.object-refinery.com/orsoncharts/index.html 030 * 031 */ 032 033package org.jfree.chart3d.style; 034 035import java.util.EventObject; 036 037import org.jfree.chart3d.internal.Args; 038 039/** 040 * An event that signals a change to a {@link ChartStyle}. 041 * <br><br> 042 * NOTE: This class is serializable, but the serialization format is subject 043 * to change in future releases and should not be relied upon for persisting 044 * instances of this class. 045 * 046 * @since 1.2 047 */ 048@SuppressWarnings("serial") 049public class ChartStyleChangeEvent extends EventObject { 050 051 private ChartStyle style; 052 053 /** 054 * Creates a new event. 055 * 056 * @param style the style ({@code null} not permitted). 057 */ 058 public ChartStyleChangeEvent(ChartStyle style) { 059 this(style, style); 060 } 061 062 /** 063 * Creates a new event. 064 * 065 * @param source the source. 066 * @param style the style ({@code null} not permitted). 067 */ 068 public ChartStyleChangeEvent(Object source, ChartStyle style) { 069 super(source); 070 Args.nullNotPermitted(style, "style"); 071 this.style = style; 072 } 073 074 /** 075 * Returns the chart style that this event is associated with. 076 * 077 * @return The style (never {@code null}). 078 */ 079 public ChartStyle getChartStyle () { 080 return this.style; 081 } 082 083}