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JFreeChart is a class library, written in Java, for generating charts.
Utilising the Java2D API, it supports a wide range of chart types including
bar charts, pie charts, line charts, XY-plots, time series plots, Sankey charts
and more.
/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2011, 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.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* -----------------------
* ChartEditorManager.java
* -----------------------
* (C) Copyright 2005-2008, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): ;
*
* Changes
* -------
* 24-Nov-2005 : Version 1 (DG);
*
*/
package org.jfree.chart.editor;
import org.jfree.chart.JFreeChart;
/**
* The central point for obtaining {@link ChartEditor} instances for editing
* charts. Right now, the API is minimal - the plan is to extend this class
* to provide customisation options for chart editors (for example, make some
* editor items read-only).
*/
public class ChartEditorManager {
/** This factory creates new {@link ChartEditor} instances as required. */
static ChartEditorFactory factory = new DefaultChartEditorFactory();
/**
* Private constructor prevents instantiation.
*/
private ChartEditorManager() {
// nothing to do
}
/**
* Returns the current factory.
*
* @return The current factory (never null).
*/
public static ChartEditorFactory getChartEditorFactory() {
return factory;
}
/**
* Sets the chart editor factory.
*
* @param f the new factory (null not permitted).
*/
public static void setChartEditorFactory(ChartEditorFactory f) {
if (f == null) {
throw new IllegalArgumentException("Null 'f' argument.");
}
factory = f;
}
/**
* Returns a component that can be used to edit the given chart.
*
* @param chart the chart.
*
* @return The chart editor.
*/
public static ChartEditor getChartEditor(JFreeChart chart) {
return factory.createEditor(chart);
}
}