/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2009 Jaspersoft Corporation. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports 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 3 of the License, or
* (at your option) any later version.
*
* JasperReports 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 JasperReports. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.jasperreports.engine.design;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.JRElementGroup;
import net.sf.jasperreports.engine.base.JRBaseElementGroup;
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: JRDesignElementGroup.java 3861 2010-06-04 11:17:45Z teodord $
*/
public class JRDesignElementGroup extends JRBaseElementGroup implements JRChangeEventsSupport
{
/**
*
*/
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
public static final String PROPERTY_ELEMENT_GROUP = "elementGroup";
public static final String PROPERTY_CHILDREN = "children";
/**
*
*/
public void setElementGroup(JRElementGroup elementGroup)
{
Object old = this.elementGroup;
this.elementGroup = elementGroup;
getEventSupport().firePropertyChange(PROPERTY_ELEMENT_GROUP, old, this.elementGroup);
}
/**
*
*/
public void addElement(JRDesignElement element)
{
addElement(children.size(), element);
}
/**
*
*/
public void addElement(int index, JRDesignElement element)
{
element.setElementGroup(this);
this.children.add(index, element);
getEventSupport().fireCollectionElementAddedEvent(PROPERTY_CHILDREN, element, index);
}
/**
*
*/
public JRDesignElement removeElement(JRDesignElement element)
{
element.setElementGroup(null);
int idx = this.children.indexOf(element);
if (idx >= 0)
{
this.children.remove(idx);
getEventSupport().fireCollectionElementRemovedEvent(PROPERTY_CHILDREN, element, idx);
}
return element;
}
/**
*
*/
public void addElementGroup(JRDesignElementGroup elemGrp)
{
addElementGroup(children.size(), elemGrp);
}
/**
*
*/
public void addElementGroup(int index, JRDesignElementGroup elemGrp)
{
elemGrp.setElementGroup(this);
this.children.add(index, elemGrp);
getEventSupport().fireCollectionElementAddedEvent(PROPERTY_CHILDREN, elemGrp, index);
}
/**
*
*/
public JRDesignElementGroup removeElementGroup(JRDesignElementGroup elemGrp)
{
elemGrp.setElementGroup(null);
int idx = this.children.indexOf(elemGrp);
if (idx >= 0)
{
this.children.remove(idx);
getEventSupport().fireCollectionElementRemovedEvent(PROPERTY_CHILDREN, elemGrp, idx);
}
return elemGrp;
}
private transient JRPropertyChangeSupport eventSupport;
public JRPropertyChangeSupport getEventSupport()
{
synchronized (this)
{
if (eventSupport == null)
{
eventSupport = new JRPropertyChangeSupport(this);
}
}
return eventSupport;
}
}