Ptidej-v5.2-master/Ptidej Reporting Tests/src/net/sf/jasperreports/engine/design/JRDesignElementDataset.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.JRDatasetRun;
import net.sf.jasperreports.engine.JRElementDataset;
import net.sf.jasperreports.engine.JRExpression;
import net.sf.jasperreports.engine.JRGroup;
import net.sf.jasperreports.engine.base.JRBaseElementDataset;
import net.sf.jasperreports.engine.base.JRBaseObjectFactory;
import net.sf.jasperreports.engine.design.events.JRChangeEventsSupport;
import net.sf.jasperreports.engine.design.events.JRPropertyChangeSupport;



/**
 * @author Teodor Danciu (teodord@users.sourceforge.net)
 * @version $Id: JRDesignElementDataset.java,v 1.1 2008/09/29 16:20:08 guehene Exp $
 */
public abstract class JRDesignElementDataset extends JRBaseElementDataset implements JRChangeEventsSupport
{


	/**
	 *
	 */
	private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
	
	public static final String PROPERTY_DATASET_RUN = "datasetRun";
	
	public static final String PROPERTY_INCREMENT_GROUP = "incrementGroup";
	
	public static final String PROPERTY_INCREMENT_TYPE = "incrementType";
	
	public static final String PROPERTY_INCREMENT_WHEN_EXPRESSION = "incrementWhenExpression";
	
	public static final String PROPERTY_RESET_GROUP = "resetGroup";
	
	public static final String PROPERTY_RESET_TYPE = "resetType";

	
	public JRDesignElementDataset()
	{
		super();
	}

	/**
	 *
	 */
	public JRDesignElementDataset(JRElementDataset dataset)
	{
		super(dataset);
	}


	/**
	 *
	 */
	public JRDesignElementDataset(JRElementDataset dataset, JRBaseObjectFactory factory)
	{
		super(dataset, factory);
	}


	/**
	 *
	 */
	public void setResetType(byte resetType)
	{
		byte old = this.resetType;
		this.resetType = resetType;
		getEventSupport().firePropertyChange(PROPERTY_RESET_TYPE, (float) old, (float) this.resetType);
	}
		
	/**
	 *
	 */
	public void setIncrementType(byte incrementType)
	{
		byte old = this.incrementType;
		this.incrementType = incrementType;
		getEventSupport().firePropertyChange(PROPERTY_INCREMENT_TYPE, (float) old, (float) this.incrementType);
	}
		
	/**
	 *
	 */
	public void setResetGroup(JRGroup group)
	{
		Object old = this.resetGroup;
		this.resetGroup = group;
		getEventSupport().firePropertyChange(PROPERTY_RESET_GROUP, old, this.resetGroup);
	}
		
	/**
	 *
	 */
	public void setIncrementGroup(JRGroup group)
	{
		Object old = this.incrementGroup;
		this.incrementGroup = group;
		getEventSupport().firePropertyChange(PROPERTY_INCREMENT_GROUP, old, this.incrementGroup);
	}
	
	
	/**
	 * Sets the sub dataset run for this dataset.
	 * 
	 * @param datasetRun the dataset run
	 * @see JRElementDataset#getDatasetRun()
	 */
	public void setDatasetRun(JRDatasetRun datasetRun)
	{
		Object old = this.datasetRun;
		this.datasetRun = datasetRun;
		getEventSupport().firePropertyChange(PROPERTY_DATASET_RUN, old, this.datasetRun);
	}
	
	
	/**
	 * Sets the "increment when" expression.
	 * <p>
	 * The expression value class should be compatible with <code>java.lang.Boolean</code>
	 * 
	 * @param expression the expression
	 * @see JRElementDataset#getIncrementWhenExpression()
	 */
	public void setIncrementWhenExpression(JRExpression expression)
	{
		Object old = this.incrementWhenExpression;
		this.incrementWhenExpression = expression;
		getEventSupport().firePropertyChange(PROPERTY_INCREMENT_WHEN_EXPRESSION, old, this.incrementWhenExpression);
	}
	
	private transient JRPropertyChangeSupport eventSupport;
	
	public JRPropertyChangeSupport getEventSupport()
	{
		synchronized (this)
		{
			if (this.eventSupport == null)
			{
				this.eventSupport = new JRPropertyChangeSupport(this);
			}
		}
		
		return this.eventSupport;
	}
}
