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Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2022 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.table;
import java.util.ArrayList;
import java.util.List;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.util.JRCloneUtils;
/**
*
*
* @author Lucian Chirita ([email protected])
*/
public class StandardColumnGroup extends StandardBaseColumn implements
ColumnGroup
{
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
public static final String PROPERTY_COLUMNS = "columns";
private List children;
public StandardColumnGroup()
{
children = new ArrayList<>();
}
public StandardColumnGroup(ColumnGroup columnGroup, ColumnFactory factory)
{
super(columnGroup, factory);
children = factory.createColumns(columnGroup.getColumns());
}
@Override
public List getColumns()
{
return children;
}
public void setColumns(List columns)
{
Object old = this.children;
this.children = columns;
getEventSupport().firePropertyChange(PROPERTY_COLUMNS,
old, this.children);
}
public void addColumn(BaseColumn column)
{
children.add(column);
getEventSupport().fireCollectionElementAddedEvent(PROPERTY_COLUMNS,
column, children.size() - 1);
}
public void addColumn(int index, BaseColumn column)
{
children.add(index, column);
getEventSupport().fireCollectionElementAddedEvent(PROPERTY_COLUMNS,
column, index);
}
public boolean removeColumn(BaseColumn column)
{
int idx = children.indexOf(column);
if (idx >= 0)
{
children.remove(idx);
getEventSupport().fireCollectionElementRemovedEvent(PROPERTY_COLUMNS,
column, idx);
}
return idx >= 0;
}
@Override
public R visitColumn(ColumnVisitor visitor)
{
return visitor.visitColumnGroup(this);
}
@Override
public Object clone()
{
StandardColumnGroup clone = (StandardColumnGroup) super.clone();
clone.children = JRCloneUtils.cloneList(children);
return clone;
}
}