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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: ContentGenerator.java 2739 2007-04-02 11:41:22Z taqua $
* ------------
* (C) Copyright 2006-2007, by Pentaho Corporation.
*/
package org.jfree.layouting.normalizer.generator;
import org.jfree.layouting.StatefullComponent;
import org.jfree.layouting.layouter.context.LayoutContext;
import org.jfree.layouting.layouter.context.PageContext;
import org.jfree.layouting.layouter.content.ContentToken;
import org.jfree.layouting.normalizer.content.NormalizationException;
import org.jfree.layouting.renderer.Renderer;
/**
* The content generator is the third stage content processor.
* This part is responsible to process the generated display model
* and to prepare it for rendering it to the output medium.
* <p/>
* In the simplest case, the content generator will be able to pass the
* display model without any changes. In the more complicated cases, the
* display model needs to be flattened (as text processors cannot contain
* paragraphs inside other paragraphs, for instance) before it can be rendered.
*/
public interface ContentGenerator extends StatefullComponent
{
/**
* Receives the information, that the document processing has been started.
* This is fired only once.
*
* @param pageContext the page context for the default page.
*/
public void startedDocument(final PageContext pageContext)
throws NormalizationException;
public void startedPassThrough(final LayoutContext element)
throws NormalizationException;
public void addPassThroughContent(final LayoutContext node,
final ContentToken token)
throws NormalizationException;
public void finishedPassThrough() throws NormalizationException;
public void startedFlow(final LayoutContext element)
throws NormalizationException;
public void startedBlock(final LayoutContext element)
throws NormalizationException;
public void startedRootInline(final LayoutContext element)
throws NormalizationException;
public void startedTable (final LayoutContext element)
throws NormalizationException;
public void startedTableColumnGroup(final LayoutContext element)
throws NormalizationException;
public void startedTableColumn(final LayoutContext element)
throws NormalizationException;
public void startedTableSection (final LayoutContext element)
throws NormalizationException;
public void startedTableRow (final LayoutContext element)
throws NormalizationException;
public void startedTableCell (final LayoutContext element)
throws NormalizationException;
public void startedMarker(final LayoutContext element)
throws NormalizationException;
public void startedInline(final LayoutContext element)
throws NormalizationException;
public void addContent(final LayoutContext node, ContentToken contentToken)
throws NormalizationException;
public void finishedInline()
throws NormalizationException;
public void finishedMarker()
throws NormalizationException;
public void finishedTableCell()
throws NormalizationException;
public void finishedTableRow ()
throws NormalizationException;
public void finishedTableSection()
throws NormalizationException;
public void finishedTableColumn()
throws NormalizationException;
public void finishedTableColumnGroup()
throws NormalizationException;
public void finishedTable()
throws NormalizationException;
public void finishedRootInline()
throws NormalizationException;
public void finishedBlock ()
throws NormalizationException;
public void finishedFlow ()
throws NormalizationException;
/**
* Receives notification, that a new flow has started. A new flow is started
* for each flowing or absolutly positioned element.
*
* @param box
*/
public void finishedDocument()
throws NormalizationException;
/**
* This event handler is triggered by 'LayoutProcess.pageBreakEncountered()'.
*
* @param pageContext
*/
public void handlePageBreak(final PageContext pageContext);
public Renderer getRenderer();
public void startedTableCaption(final LayoutContext context)
throws NormalizationException;
public void finishedTableCaption() throws NormalizationException;
}
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