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/**
* ===========================================
* LibLayout : a free Java layouting library
* ===========================================
*
* Project Info: http://reporting.pentaho.org/liblayout/
*
* (C) Copyright 2006-2007, by 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: AbstractPageableProcessor.java 6489 2008-11-28 14:53:40Z tmorgner $
* ------------
* (C) Copyright 2006-2007, by Pentaho Corporation.
*/
package org.jfree.layouting.output.pageable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.jfree.layouting.LayoutProcess;
import org.jfree.layouting.output.AbstractOutputProcessor;
import org.jfree.layouting.renderer.PaginatingRenderer;
import org.jfree.layouting.renderer.PrototypeBuildingRenderer;
import org.jfree.layouting.renderer.Renderer;
import org.jfree.layouting.renderer.model.page.LogicalPageBox;
import org.jfree.layouting.renderer.model.page.PageGrid;
import org.pentaho.reporting.libraries.base.config.Configuration;
/**
* Creation-Date: 10.11.2006, 20:05:11
*
* @author Thomas Morgner
*/
public abstract class AbstractPageableProcessor extends AbstractOutputProcessor
implements PageableOutputProcessor
{
private List physicalPages;
private PrototypeBuildingRenderer prototypeBuilder;
protected AbstractPageableProcessor(final Configuration configuration)
{
super(configuration);
this.physicalPages = new ArrayList();
}
public Renderer createRenderer(final LayoutProcess layoutProcess)
{
if (isGlobalStateComputed() == false)
{
prototypeBuilder = new PrototypeBuildingRenderer(layoutProcess);
return prototypeBuilder;
}
else
{
//return new PrintingRenderer (new PaginatingRenderer(layoutProcess));
return new PaginatingRenderer(layoutProcess);
}
}
public PrototypeBuildingRenderer getPrototypeBuilder()
{
return prototypeBuilder;
}
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)
{
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);
protected abstract void processLogicalPage(final LogicalPageKey key,
final LogicalPageBox logicalPage);
}
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