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Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2019 TIBCO Software Inc. 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 .
*/
package net.sf.jasperreports.components.items;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.design.events.JRChangeEventsSupport;
import net.sf.jasperreports.engine.design.events.JRPropertyChangeSupport;
import net.sf.jasperreports.engine.util.JRCloneUtils;
/**
* @author Teodor Danciu ([email protected])
*/
public class StandardItem implements Item, JRChangeEventsSupport, Serializable
{
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
public static final String PROPERTY_ITEM_PROPERTIES = "itemProperties";
private transient JRPropertyChangeSupport eventSupport;
private List properties = new ArrayList();
public StandardItem()
{
}
public StandardItem(List properties)
{
this.properties = properties;
}
@Override
public JRPropertyChangeSupport getEventSupport()
{
synchronized (this)
{
if (eventSupport == null)
{
eventSupport = new JRPropertyChangeSupport(this);
}
}
return eventSupport;
}
@Override
public Object clone()
{
StandardItem clone = null;
try
{
clone = (StandardItem) super.clone();
}
catch (CloneNotSupportedException e)
{
// never
throw new RuntimeException(e);
}
clone.properties = JRCloneUtils.cloneList(properties);
return clone;
}
@Override
public List getProperties()
{
return properties;
}
public void addItemProperty(ItemProperty property)
{
properties.add(property);
getEventSupport().fireCollectionElementAddedEvent(PROPERTY_ITEM_PROPERTIES, property, properties.size() - 1);
}
public void removeItemProperty(ItemProperty property)
{
int idx = properties.indexOf(property);
if (idx >= 0)
{
properties.remove(idx);
getEventSupport().fireCollectionElementRemovedEvent(PROPERTY_ITEM_PROPERTIES,
property, idx);
}
}
}