/* ===========================================================
 
* JFreeChart : a free chart library for the Java(tm) platform
 
* ===========================================================
 
*
 
* (C) Copyright 2000-2016, 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 2005-2016, by Object Refinery Limited.
 
*
 
* Original Author:
  
David Gilbert (for Object Refinery Limited);
 
* Contributor(s):
   
;
 
*
 
* Changes
 
* -------
 
* 24-Nov-2005 : Version 1 (DG);
 
* 03-Jul-2013 : Use ParamChecks (DG);
 
*
 
*/

package org.jfree.chart.editor;

import org.jfree.chart.JFreeChart;
import org.jfree.chart.util.Args;

/**
 
* 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 {@code null}).
     
*/

    
public static ChartEditorFactory getChartEditorFactory() {
        
return factory;
    
}

    
/**
     
* Sets the chart editor factory.
     
*
     
* @param f
  
the new factory ({@code null} not permitted).
     
*/

    
public static void setChartEditorFactory(ChartEditorFactory f) {
        
Args.nullNotPermitted(f, "f");
        
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);
    
}
}