Ptidej-v5.2-master/Ptidej Reporting Tests/src/net/sf/jasperreports/engine/design/JRDesignSubreportReturnValue.java
/*
 * ============================================================================
 * GNU Lesser General Public License
 * ============================================================================
 *
 * JasperReports - Free Java report-generating library.
 * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
 * 
 * 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.
 * 
 * JasperSoft Corporation
 * 303 Second Street, Suite 450 North
 * San Francisco, CA 94107
 * http://www.jaspersoft.com
 */
package net.sf.jasperreports.engine.design;

import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.base.JRBaseSubreportReturnValue;
import net.sf.jasperreports.engine.design.events.JRChangeEventsSupport;
import net.sf.jasperreports.engine.design.events.JRPropertyChangeSupport;

/**
 * Implementation of {@link net.sf.jasperreports.engine.JRSubreportReturnValue JRSubreportReturnValue}
 * to be used for report desing purposes.
 * 
 * @author Lucian Chirita (lucianc@users.sourceforge.net)
 * @version $Id: JRDesignSubreportReturnValue.java,v 1.1 2008/09/29 16:20:08 guehene Exp $
 */
public class JRDesignSubreportReturnValue extends JRBaseSubreportReturnValue implements JRChangeEventsSupport
{

	/**
	 * 
	 */
	private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
	
	public static final String PROPERTY_CALCULATION = "calculation";
	
	public static final String PROPERTY_INCREMENTER_FACTORY_CLASS_NAME = "incrementerFactoryClassName";
	
	public static final String PROPERTY_SUBREPORT_VARIABLE = "subreportVariable";
	
	public static final String PROPERTY_TO_VARIABLE = "toVariable";

	/**
	 * Sets the subreport variable name.
	 * 
	 * @param name the variable name
	 * @see net.sf.jasperreports.engine.JRSubreportReturnValue#getSubreportVariable()
	 */
	public void setSubreportVariable(String name)
	{
		Object old = this.subreportVariable;
		this.subreportVariable = name;
		getEventSupport().firePropertyChange(PROPERTY_SUBREPORT_VARIABLE, old, this.subreportVariable);
	}

	/**
	 * Sets the master variable name.
	 * 
	 * @param name the variable name
	 * @see net.sf.jasperreports.engine.JRSubreportReturnValue#getToVariable()
	 */
	public void setToVariable(String name)
	{
		Object old = this.toVariable;
		this.toVariable = name;
		getEventSupport().firePropertyChange(PROPERTY_TO_VARIABLE, old, this.toVariable);
	}

	/**
	 * Sets the calculation type.
	 * 
	 * @param calculation the calculation type
	 * @see net.sf.jasperreports.engine.JRSubreportReturnValue#getCalculation()
	 */
	public void setCalculation(byte calculation)
	{
		byte old = this.calculation;
		this.calculation = calculation;
		getEventSupport().firePropertyChange(PROPERTY_CALCULATION, (float) old, (float) this.calculation);
	}
	
	/**
	 * Sets the incrementer factory class name.
	 * 
	 * @param incrementerFactoryClassName the name of the incrementer factory class
	 * @see net.sf.jasperreports.engine.JRSubreportReturnValue#getIncrementerFactoryClassName()
	 */
	public void setIncrementerFactoryClassName(String incrementerFactoryClassName)
	{
		Object old = this.incrementerFactoryClassName;
		this.incrementerFactoryClassName = incrementerFactoryClassName;
		getEventSupport().firePropertyChange(PROPERTY_INCREMENTER_FACTORY_CLASS_NAME, old, this.incrementerFactoryClassName);
	}
	
	private transient JRPropertyChangeSupport eventSupport;
	
	public JRPropertyChangeSupport getEventSupport()
	{
		synchronized (this)
		{
			if (this.eventSupport == null)
			{
				this.eventSupport = new JRPropertyChangeSupport(this);
			}
		}
		
		return this.eventSupport;
	}
}
