/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
* Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.designer.core.model;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.event.EventListenerList;
import org.pentaho.reporting.designer.core.ReportDesignerBoot;
import org.pentaho.reporting.designer.core.editor.ReportRenderContext;
import org.pentaho.reporting.engine.classic.core.AbstractReportDefinition;
import org.pentaho.reporting.engine.classic.extensions.parsers.reportdesigner.ReportDesignerParserModule;
/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public class HorizontalPositionsModel
{
private HorizontalPositionsList backend;
private EventListenerList listenerList;
protected HorizontalPositionsModel()
{
this.backend = new HorizontalPositionsList();
this.listenerList = new EventListenerList();
}
public void addChangeListener(final ChangeListener changeListener)
{
this.listenerList.add(ChangeListener.class, changeListener);
}
public void removeChangeListener(final ChangeListener changeListener)
{
this.listenerList.remove(ChangeListener.class, changeListener);
}
public int size()
{
return backend.size();
}
public void fireChangeEvent()
{
final ChangeListener[] changeListeners = this.listenerList.getListeners(ChangeListener.class);
if (changeListeners == null)
{
return;
}
final ChangeEvent changeEvent = new ChangeEvent(this);
for (int i = 0; i < changeListeners.length; i++)
{
final ChangeListener changeListener = changeListeners[i];
changeListener.stateChanged(changeEvent);
}
}
public synchronized long[] getBreaks()
{
return backend.getKeys();
}
public boolean add(final long[] breaks, final long age)
{
boolean retval = false;
for (int i = 0; i < breaks.length; i++)
{
final long aBreak = breaks[i];
if (backend.add(aBreak, age))
{
retval = true;
}
}
return retval;
}
public boolean clear(final long age)
{
return backend.removeAll(age);
}
public static HorizontalPositionsModel getHorizontalPositionsModel(final ReportRenderContext reportContext)
{
final AbstractReportDefinition rootBand = reportContext.getReportDefinition();
final Object maybeLinealModel = rootBand.getAttribute(ReportDesignerParserModule.NAMESPACE,
ReportDesignerBoot.DESIGNER_POSITIONS_MODEL_OBJECT);
if (maybeLinealModel instanceof HorizontalPositionsModel)
{
return (HorizontalPositionsModel) maybeLinealModel;
}
final HorizontalPositionsModel linealModel = new HorizontalPositionsModel();
rootBand.setAttribute(ReportDesignerParserModule.NAMESPACE,
ReportDesignerBoot.DESIGNER_POSITIONS_MODEL_OBJECT, linealModel, false);
return linealModel;
}
}