Ptidej-v5.2-master/Ptidej Reporting Tests/src/net/sf/jasperreports/crosstabs/design/JRDesignCrosstabGroup.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.crosstabs.design;

import net.sf.jasperreports.crosstabs.JRCellContents;
import net.sf.jasperreports.crosstabs.base.JRBaseCrosstabGroup;
import net.sf.jasperreports.engine.JRVariable;
import net.sf.jasperreports.engine.design.JRDesignVariable;
import net.sf.jasperreports.engine.design.events.JRChangeEventsSupport;
import net.sf.jasperreports.engine.design.events.JRPropertyChangeSupport;

/**
 * Base crosstab row/column group implementation to be used at design time.
 * 
 * @author Lucian Chirita (lucianc@users.sourceforge.net)
 * @version $Id: JRDesignCrosstabGroup.java,v 1.1 2008/09/29 16:21:17 guehene Exp $
 */
public abstract class JRDesignCrosstabGroup extends JRBaseCrosstabGroup implements JRChangeEventsSupport
{

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	public static final String PROPERTY_BUCKET = "bucket";

	public static final String PROPERTY_HEADER = "header";

	public static final String PROPERTY_NAME = "name";

	public static final String PROPERTY_TOTAL_HEADER = "totalHeader";

	public static final String PROPERTY_TOTAL_POSITION = "totalPosition";
	
	protected JRDesignVariable designVariable;
	
	protected JRDesignCrosstab parent;
	
	protected JRDesignCrosstabGroup()
	{
		super();
		
		this.variable = this.designVariable = new JRDesignVariable();
		this.designVariable.setCalculation(JRVariable.CALCULATION_SYSTEM);
		this.designVariable.setSystemDefined(true);
		
		this.header = new JRDesignCellContents();
		this.totalHeader = new JRDesignCellContents();
	}
	
	
	/**
	 * Sets the group name.
	 * 
	 * @param name the name
	 * @see net.sf.jasperreports.crosstabs.JRCrosstabGroup#getName()
	 */
	public void setName(String name)
	{
		Object old = this.name;
		this.name = name;
		this.designVariable.setName(name);
		getEventSupport().firePropertyChange(PROPERTY_NAME, old, this.name);
	}
	
	
	/**
	 * Sets the position of the total row/column.
	 * 
	 * @param totalPosition the position of the total row/column
	 * @see net.sf.jasperreports.crosstabs.JRCrosstabGroup#getTotalPosition()
	 */
	public void setTotalPosition(byte totalPosition)
	{
		byte old = this.totalPosition;
		this.totalPosition = totalPosition;
		getEventSupport().firePropertyChange(PROPERTY_TOTAL_POSITION, (float) old, (float) this.totalPosition);
	}
	
	
	/**
	 * Sets the group bucketing information.
	 * 
	 * @param bucket the bucketing information
	 * @see net.sf.jasperreports.crosstabs.JRCrosstabGroup#getBucket()
	 */
	public void setBucket(JRDesignCrosstabBucket bucket)
	{
		Object old = this.bucket;
		this.bucket = bucket;
		getEventSupport().firePropertyChange(PROPERTY_BUCKET, old, this.bucket);
	}

	
	/**
	 * Sets the group header cell.
	 * 
	 * @param header the header cell
	 * @see net.sf.jasperreports.crosstabs.JRCrosstabGroup#getHeader()
	 */
	public void setHeader(JRDesignCellContents header)
	{
		Object old = this.header;
		if (header == null)
		{
			header = new JRDesignCellContents();
		}
		this.header = header;
		getEventSupport().firePropertyChange(PROPERTY_HEADER, old, this.header);
	}

	
	/**
	 * Sets the group total header cell.
	 * 
	 * @param totalHeader the total header
	 * @see net.sf.jasperreports.crosstabs.JRCrosstabGroup#getTotalHeader()
	 */
	public void setTotalHeader(JRDesignCellContents totalHeader)
	{
		Object old = this.totalHeader;
		if (totalHeader == null)
		{
			totalHeader = new JRDesignCellContents();
		}
		this.totalHeader = totalHeader;
		getEventSupport().firePropertyChange(PROPERTY_TOTAL_HEADER, old, this.totalHeader);
	}

	/**
	 * Returns the group parent crosstab.
	 * <p/>
	 * The parent is automatically set when the group is added to the crosstab.
	 * 
	 * @return the parent crosstab
	 */
	public JRDesignCrosstab getParent()
	{
		return this.parent;
	}

	void setParent(JRDesignCrosstab parent)
	{
		this.parent = parent;
	}
	
	protected void setCellOrigin(JRCellContents cell, JRCrosstabOrigin origin)
	{
		if (cell instanceof JRDesignCellContents)
		{
			((JRDesignCellContents) cell).setOrigin(origin);
		}
	}
	
	/**
	 * 
	 */
	public Object clone() 
	{
		return null;//FIXMECLONE: implement this
	}

	private transient JRPropertyChangeSupport eventSupport;
	
	public JRPropertyChangeSupport getEventSupport()
	{
		synchronized (this)
		{
			if (this.eventSupport == null)
			{
				this.eventSupport = new JRPropertyChangeSupport(this);
			}
		}
		
		return this.eventSupport;
	}
}
