/**
* ========================================
* JFreeReport : a free Java report library
* ========================================
*
* Project Info: http://reporting.pentaho.org/
*
* (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
*
* 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.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------
* $Id: AutoTableItemLayoutController.java 6659 2008-12-02 15:35:06Z tmorgner $
* ------------
* (C) Copyright 2000-2005, by Object Refinery Limited.
* (C) Copyright 2005-2007, by Pentaho Corporation.
*/
package org.jfree.report.modules.misc.autotable.flow;
import org.jfree.report.DataFlags;
import org.jfree.report.DataSourceException;
import org.jfree.report.ReportDataFactoryException;
import org.jfree.report.ReportProcessingException;
import org.jfree.report.data.ReportDataRow;
import org.jfree.report.flow.FlowController;
import org.jfree.report.flow.ReportTarget;
import org.jfree.report.flow.layoutprocessor.ElementLayoutController;
import org.jfree.report.flow.layoutprocessor.LayoutController;
import org.jfree.report.modules.misc.autotable.AutoTableCellContent;
/**
* Creation-Date: Dec 9, 2006, 8:20:51 PM
*
* @author Thomas Morgner
*/
public class AutoTableItemLayoutController extends ElementLayoutController
{
public AutoTableItemLayoutController()
{
}
protected AutoTableLayoutController findTableParent ()
{
LayoutController parent = getParent();
while (parent != null)
{
if (parent instanceof AutoTableLayoutController)
{
return (AutoTableLayoutController) parent;
}
parent = parent.getParent();
}
return null;
}
protected LayoutController processContent(final ReportTarget target)
throws DataSourceException, ReportProcessingException, ReportDataFactoryException
{
final AutoTableCellContent content = (AutoTableCellContent) getElement();
final FlowController flowController = getFlowController();
final ReportDataRow reportDataRow =
flowController.getMasterRow().getReportDataRow();
final AutoTableLayoutController table = findTableParent();
if (table == null)
{
throw new ReportProcessingException("Invalid state: have no auto-table as context.");
}
final int currentColumn = table.getCurrentColumn();
if ("name".equals(content.getItem()))
{
final String columnName = reportDataRow.getColumnName(currentColumn);
target.processText(columnName);
}
else if ("value".equals(content.getItem()))
{
final DataFlags flags = reportDataRow.getFlags(currentColumn);
target.processContent(flags);
}
else
{
throw new ReportProcessingException("Invalid definition: Content-Item with no valid type");
}
AutoTableItemLayoutController derived = (AutoTableItemLayoutController) clone();
derived.setProcessingState(ElementLayoutController.FINISHING);
derived.setFlowController(flowController);
return derived;
}
/**
* Joins with a delegated process flow. This is generally called from a child
* flow and should *not* (I mean it!) be called from outside. If you do,
* you'll suffer.
*
* @param flowController the flow controller of the parent.
* @return the joined layout controller that incorperates all changes from
* the delegate.
*/
public LayoutController join(final FlowController flowController)
{
final AutoTableItemLayoutController derived = (AutoTableItemLayoutController) clone();
derived.setProcessingState(ElementLayoutController.FINISHING);
derived.setFlowController(flowController);
return derived;
}
}