/*
* 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) 2001 - 2013 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.modules.output.pageable.base;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.pentaho.reporting.engine.classic.core.layout.model.LogicalPageBox;
import org.pentaho.reporting.engine.classic.core.layout.model.PageGrid;
import org.pentaho.reporting.engine.classic.core.layout.output.AbstractOutputProcessor;
import org.pentaho.reporting.engine.classic.core.layout.output.ContentProcessingException;
import org.pentaho.reporting.engine.classic.core.layout.output.LogicalPageKey;
import org.pentaho.reporting.engine.classic.core.layout.output.PhysicalPageKey;
/**
* Creation-Date: 09.04.2007, 10:59:35
*
* @author Thomas Morgner
*/
public abstract class AbstractPageableOutputProcessor
extends AbstractOutputProcessor implements PageableOutputProcessor
{
private List physicalPages;
protected AbstractPageableOutputProcessor()
{
this.physicalPages = new ArrayList();
}
protected void processingPagesFinished()
{
super.processingPagesFinished();
physicalPages = Collections.unmodifiableList(physicalPages);
}
public int getPhysicalPageCount()
{
return physicalPages.size();
}
public PhysicalPageKey getPhysicalPage(final int page)
{
if (isPaginationFinished() == false)
{
throw new IllegalStateException();
}
return (PhysicalPageKey) physicalPages.get(page);
}
protected LogicalPageKey createLogicalPage(final int width,
final int height)
{
final LogicalPageKey key = super.createLogicalPage(width, height);
for (int h = 0; h < key.getHeight(); h++)
{
for (int w = 0; w < key.getWidth(); w++)
{
physicalPages.add(key.getPage(w, h));
}
}
return key;
}
protected void processPageContent(final LogicalPageKey logicalPageKey,
final LogicalPageBox logicalPage)
throws ContentProcessingException
{
final PageGrid pageGrid = logicalPage.getPageGrid();
final int rowCount = pageGrid.getRowCount();
final int colCount = pageGrid.getColumnCount();
final PageFlowSelector selector = getFlowSelector();
if (selector != null)
{
if (selector.isLogicalPageAccepted(logicalPageKey))
{
processLogicalPage(logicalPageKey, logicalPage);
}
for (int row = 0; row < rowCount; row++)
{
for (int col = 0; col < colCount; col++)
{
final PhysicalPageKey pageKey = logicalPageKey.getPage(col, row);
if (selector.isPhysicalPageAccepted(pageKey))
{
processPhysicalPage(pageGrid, logicalPage, row, col, pageKey);
}
}
}
}
}
protected abstract PageFlowSelector getFlowSelector();
protected abstract void processPhysicalPage(final PageGrid pageGrid,
final LogicalPageBox logicalPage,
final int row,
final int col,
final PhysicalPageKey pageKey)
throws ContentProcessingException;
protected abstract void processLogicalPage(final LogicalPageKey key,
final LogicalPageBox logicalPage)
throws ContentProcessingException;
}