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/*
* $Id: StorePagesModel.java,v 1.3 2003/03/05 15:19:31 jeremias Exp $
* ============================================================================
* The Apache Software License, Version 1.1
* ============================================================================
*
* Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modifica-
* tion, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by the Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "FOP" and "Apache Software Foundation" must not be used to
* endorse or promote products derived from this software without prior
* written permission. For written permission, please contact
* apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache", nor may
* "Apache" appear in their name, without prior written permission of the
* Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
* DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ============================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of the Apache Software Foundation and was originally created by
* James Tauber <jtauber@jtauber.com>. For more information on the Apache
* Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.fop.area;
// Java
import java.util.List;
/**
* This class stores all the pages in the document
* for interactive agents.
* The pages are stored and can be retrieved in any order.
*/
public class StorePagesModel extends AreaTreeModel {
private List pageSequence = null;
private List titles = new java.util.ArrayList();
private List currSequence;
private List extensions = new java.util.ArrayList();
/**
* Create a new store pages model
*/
public StorePagesModel() {
}
/**
* Start a new page sequence.
* This creates a new list for the pages in the new page sequence.
* @param title the title of the page sequence.
*/
public void startPageSequence(Title title) {
titles.add(title);
if (pageSequence == null) {
pageSequence = new java.util.ArrayList();
}
currSequence = new java.util.ArrayList();
pageSequence.add(currSequence);
}
/**
* Add a page.
* @param page the page to add to the current page sequence
*/
public void addPage(PageViewport page) {
currSequence.add(page);
}
/**
* Get the page sequence count.
* @return the number of page sequences in the document.
*/
public int getPageSequenceCount() {
return pageSequence.size();
}
/**
* Get the title for a page sequence.
* @param count the page sequence count
* @return the title of the page sequence
*/
public Title getTitle(int count) {
return (Title) titles.get(count);
}
/**
* Get the page count.
* @param seq the page sequence to count.
* @return returns the number of pages in a page sequence
*/
public int getPageCount(int seq) {
List sequence = (List) pageSequence.get(seq);
return sequence.size();
}
/**
* Get the page for a position in the document.
* @param seq the page sequence number
* @param count the page count in the sequence
* @return the PageViewport for the particular page
*/
public PageViewport getPage(int seq, int count) {
List sequence = (List) pageSequence.get(seq);
return (PageViewport) sequence.get(count);
}
/**
* Add an extension to the store page model.
* The extension is stored so that it can be retrieved in the
* appropriate position.
* @param ext the extension to add
* @param when when the extension should be handled
*/
public void addExtension(TreeExt ext, int when) {
int seq, page;
switch(when) {
case TreeExt.IMMEDIATELY:
seq = pageSequence == null ? 0 : pageSequence.size();
page = currSequence == null ? 0 : currSequence.size();
break;
case TreeExt.AFTER_PAGE:
break;
case TreeExt.END_OF_DOC:
break;
}
extensions.add(ext);
}
/**
* Get the list of extensions that apply at a particular
* position in the document.
* @param seq the page sequence number
* @param count the page count in the sequence
* @return the list of extensions
*/
public List getExtensions(int seq, int count) {
return null;
}
/**
* Get the end of document extensions for this stroe pages model.
* @return the list of end extensions
*/
public List getEndExtensions() {
return extensions;
}
/**
* End document, do nothing.
*/
public void endDocument() {
}
}
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