001 /* =========================================================== 002 * JFreeChart : a free chart library for the Java(tm) platform 003 * =========================================================== 004 * 005 * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors. 006 * 007 * Project Info: http://www.jfree.org/jfreechart/index.html 008 * 009 * This library is free software; you can redistribute it and/or modify it 010 * under the terms of the GNU Lesser General Public License as published by 011 * the Free Software Foundation; either version 2.1 of the License, or 012 * (at your option) any later version. 013 * 014 * This library is distributed in the hope that it will be useful, but 015 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 016 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 017 * License for more details. 018 * 019 * You should have received a copy of the GNU Lesser General Public 020 * License along with this library; if not, write to the Free Software 021 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 022 * USA. 023 * 024 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 025 * in the United States and other countries.] 026 * 027 * ----------------------- 028 * ChartEditorManager.java 029 * ----------------------- 030 * (C) Copyright 2005, by Object Refinery Limited. 031 * 032 * Original Author: David Gilbert (for Object Refinery Limited); 033 * Contributor(s): ; 034 * 035 * $Id: ChartEditorManager.java,v 1.1.2.2 2005/11/28 15:19:32 mungady Exp $ 036 * 037 * Changes 038 * ------- 039 * 24-Nov-2005 : Version 1 (DG); 040 * 041 */ 042 043 package org.jfree.chart.editor; 044 045 import org.jfree.chart.JFreeChart; 046 047 /** 048 * The central point for obtaining {@link ChartEditor} instances for editing 049 * charts. Right now, the API is minimal - the plan is to extend this class 050 * to provide customisation options for chart editors (for example, make some 051 * editor items read-only). 052 */ 053 public class ChartEditorManager { 054 055 /** This factory creates new {@link ChartEditor} instances as required. */ 056 static ChartEditorFactory factory = new DefaultChartEditorFactory(); 057 058 /** 059 * Private constructor prevents instantiation. 060 */ 061 private ChartEditorManager() { 062 // nothing to do 063 } 064 065 /** 066 * Returns the current factory. 067 * 068 * @return The current factory (never <code>null</code>). 069 */ 070 public static ChartEditorFactory getChartEditorFactory() { 071 return factory; 072 } 073 074 /** 075 * Sets the chart editor factory. 076 * 077 * @param f the new factory (<code>null</code> not permitted). 078 */ 079 public static void setChartEditorFactory(ChartEditorFactory f) { 080 if (f == null) { 081 throw new IllegalArgumentException("Null 'f' argument."); 082 } 083 factory = f; 084 } 085 086 /** 087 * Returns a component that can be used to edit the given chart. 088 * 089 * @param chart the chart. 090 * 091 * @return The chart editor. 092 */ 093 public static ChartEditor getChartEditor(JFreeChart chart) { 094 return factory.createEditor(chart); 095 } 096 }