rtflist.java

源码包含生成 PDF 和 HTML 的类库

/*
 * $Id: RtfList.java 3580 2008-08-06 15:52:00Z howard_s $
 *
 * Copyright 2008 Howard Shank ([e-mail])
 *
 * The contents of this file are subject to the Mozilla Public License Version 1.1
 * (the "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the License.
 *
 * The Original Code is 'iText, a free JAVA-PDF library'.
 *
 * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
 * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
 * All Rights Reserved.
 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
 * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
 *
 * Contributor(s): all the names of the contributors are added in the source code
 * where applicable.
 *
 * Alternatively, the contents of this file may be used under the terms of the
 * LGPL license (the ?GNU LIBRARY GENERAL PUBLIC LICENSE?), in which case the
 * provisions of LGPL are applicable instead of those above.  If you wish to
 * allow use of your version of this file only under the terms of the LGPL
 * License and not to allow others to use your version of this file under
 * the MPL, indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by the LGPL.
 * If you do not delete the provisions above, a recipient may use your version
 * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the MPL as stated above or under the terms of the GNU
 * Library General Public License as published by the Free Software Foundation;
 * either version 2 of the License, or 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 Library general Public License for more
 * details.
 *
 * If you didn't download this code from the following link, you should check if
 * you aren't using an obsolete version:
 * http://www.lowagie.com/iText/
 */

package com.lowagie.text.rtf.list;

import java.awt.Color;
import java.io.IOException;
import java.io.OutputStream;
import java.security.InvalidParameterException;
import java.util.ArrayList;

import com.lowagie.text.Chunk;
import com.lowagie.text.DocWriter;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.List;
import com.lowagie.text.ListItem;
import com.lowagie.text.Paragraph;
import com.lowagie.text.RomanList;
import com.lowagie.text.factories.RomanAlphabetFactory;
import com.lowagie.text.factories.RomanNumberFactory;
import com.lowagie.text.rtf.RtfBasicElement;
import com.lowagie.text.rtf.RtfElement;
import com.lowagie.text.rtf.RtfExtendedElement;
import com.lowagie.text.rtf.document.RtfDocument;
import com.lowagie.text.rtf.style.RtfFont;
import com.lowagie.text.rtf.style.RtfFontList;
import com.lowagie.text.rtf.text.RtfParagraph;


/**
 * The RtfList stores one List. It also provides the methods to write the
 * list declaration and the list data.
 *  
 * @version $Id: RtfList.java 3580 2008-08-06 15:52:00Z howard_s $
 * @author Mark Hall ([e-mail])
 * @author Howard Shank ([e-mail])
 * @since 2.1.3
 */
public class RtfList extends RtfElement implements RtfExtendedElement {


    /**
     * Constant for the list number
     * @since 2.1.3
     */
    public static final byte[] LIST_NUMBER = DocWriter.getISOBytes("\\ls");

    /**
     * Constant for the list
     */
    private static final byte[] LIST = DocWriter.getISOBytes("\\list");
    /**
     * Constant for the list id
     * @since 2.1.3
     */
    public static final byte[] LIST_ID = DocWriter.getISOBytes("\\listid");
    /**
     * Constant for the list template id
     */
    private static final byte[] LIST_TEMPLATE_ID = DocWriter.getISOBytes("\\listtemplateid");
    /**
     * Constant for the simple list
     */
    private static final byte[] LIST_SIMPLE = DocWriter.getISOBytes("\\listsimple");
    /**
     * Constant for the hybrid list
     */
    private static final byte[] LIST_HYBRID = DocWriter.getISOBytes("\\listhybrid");
    /**
     * Constant to indicate if the list restarts at each section. Word 7 compatiblity
     */
    private static final byte[] LIST_RESTARTHDN = DocWriter.getISOBytes("\\listrestarthdn");
    /**
     * Constant for the name of this list
     */
    private static final byte[] LIST_NAME = DocWriter.getISOBytes("\\listname");
    /**
     * Constant for the identifier of the style of this list. Mutually exclusive with \\liststylename
     */
    private static final byte[] LIST_STYLEID = DocWriter.getISOBytes("\\liststyleid");
    /**
     * Constant for the identifier of the style of this list. Mutually exclusive with \\liststyleid
     */
    private static final byte[] LIST_STYLENAME = DocWriter.getISOBytes("\\liststylename");

    // character properties
    /**
     * Constant for the list level value
     * @since 2.1.3
     */
    public static final byte[] LIST_LEVEL_NUMBER = DocWriter.getISOBytes("\\ilvl");
    
    
	/**
     * Constant for the old list text
     * @since 2.1.3
     */
    public static final byte[] LIST_TEXT = DocWriter.getISOBytes("\\listtext");
    /**
     * Constant for the old list number end
     * @since 2.1.3
     */
    public static final byte[] LIST_NUMBER_END = DocWriter.getISOBytes(".");
    
    

    /**
     * Constant for a tab character
     * @since 2.1.3
     */
    public static final byte[] TAB = DocWriter.getISOBytes("\\tab");
    
    /**
     * The subitems of this RtfList
     */
    private ArrayList items;
    
    /**
     * The parent list if there is one.
     */
    private RtfList parentList = null;

    /**
     * The list id
     */
    private int listID = -1;
    
    /**
     * List type of NORMAL - no control word
     * @since 2.1.3
     */
    public static final int LIST_TYPE_NORMAL = 0;				/*  Normal list type */
    
    /**
     * List type of listsimple
     * @since 2.1.3
     */
    public static final int LIST_TYPE_SIMPLE = 1;				/*  Simple list type */
    
    /**
     * List type of listhybrid
     * @since 2.1.3
     */
    public static final int LIST_TYPE_HYBRID = 2;				/*  Hybrid list type */
    
    /**
     * This RtfList type
     */
    private int listType = LIST_TYPE_HYBRID;
    
    /**
     * The name of the list if it exists 
     */
    private String name = null;
    
    /**
     * The list number of this RtfList
     */
    private int listNumber = -1;

    /**
     * The RtfList lists managed by this RtfListTable
     */
    private ArrayList listLevels = null;;

    
    /**
     * Constructs an empty RtfList object.
     * @since 2.1.3
     */
    public RtfList() {
    	super(null);
        createDefaultLevels();
    }
    
    /**
     * Set the document.
     * @param doc The RtfDocument
     * @since 2.1.3
     */
    public void setDocument(RtfDocument doc) {
    	this.document = doc;
        // get the list number or create a new one adding it to the table
        this.listNumber = document.getDocumentHeader().getListNumber(this); 

    	
    }
    /**
     * Constructs an empty RtfList object.
     * @param doc The RtfDocument this RtfList belongs to
     * @since 2.1.3
     */
    public RtfList(RtfDocument doc) {
        super(doc);
        createDefaultLevels();
        // get the list number or create a new one adding it to the table
        this.listNumber = document.getDocumentHeader().getListNumber(this); 

    }

    
    /**
     * Constructs a new RtfList for the specified List.
     * 
     * @param doc The RtfDocument this RtfList belongs to
     * @param list The List this RtfList is based on
     * @since 2.1.3
     */
    public RtfList(RtfDocument doc, List list) {
        // setup the listlevels
        // Then, setup the list data below
        
        // setup 1 listlevel if it's a simple list
        // setup 9 if it's a regular list
        // setup 9 if it's a hybrid list (default)
        super(doc);

        createDefaultLevels();
        
        this.items = new ArrayList();		// list content
        RtfListLevel ll = (RtfListLevel)this.listLevels.get(0);
        
        // get the list number or create a new one adding it to the table
        this.listNumber = document.getDocumentHeader().getListNumber(this); 
        
        if(list.getSymbolIndent() > 0 && list.getIndentationLeft() > 0) {
            ll.setFirstIndent((int) (list.getSymbolIndent() * RtfElement.TWIPS_FACTOR * -1));
            ll.setLeftIndent((int) ((list.getIndentationLeft() + list.getSymbolIndent()) * RtfElement.TWIPS_FACTOR));
        } else if(list.getSymbolIndent() > 0) {
        	ll.setFirstIndent((int) (list.getSymbolIndent() * RtfElement.TWIPS_FACTOR * -1));
        	ll.setLeftIndent((int) (list.getSymbolIndent() * RtfElement.TWIPS_FACTOR));
        } else if(list.getIndentationLeft() > 0) {
        	ll.setFirstIndent(0);
        	ll.setLeftIndent((int) (list.getIndentationLeft() * RtfElement.TWIPS_FACTOR));
        } else {
        	ll.setFirstIndent(0);
        	ll.setLeftIndent(0);
        }
        ll.setRightIndent((int) (list.getIndentationRight() * RtfElement.TWIPS_FACTOR));
        ll.setSymbolIndent((int) ((list.getSymbolIndent() + list.getIndentationLeft()) * RtfElement.TWIPS_FACTOR));
        ll.correctIndentation();
        ll.setTentative(false);
        
        if (list instanceof RomanList) {
			if (list.isLowercase()) {
				ll.setListType(RtfListLevel.LIST_TYPE_LOWER_ROMAN);
			} else {
				ll.setListType(RtfListLevel.LIST_TYPE_UPPER_ROMAN);
			}
		} else if (list.isNumbered()) {
			ll.setListType(RtfListLevel.LIST_TYPE_NUMBERED);
		} else if (list.isLettered()) {
			if (list.isLowercase()) {
				ll.setListType(RtfListLevel.LIST_TYPE_LOWER_LETTERS);
			} else {
				ll.setListType(RtfListLevel.LIST_TYPE_UPPER_LETTERS);
			}
		} 
		else {
//			Paragraph p = new Paragraph();
//			p.add(new Chunk(list.getPreSymbol()) );
//			p.add(list.getSymbol());
//			p.add(new Chunk(list.getPostSymbol()) );
//			ll.setBulletChunk(list.getSymbol());
			ll.setBulletCharacter(list.getPreSymbol() + list.getSymbol().getContent() + list.getPostSymbol());
			ll.setListType(RtfListLevel.LIST_TYPE_BULLET);
		}
        
        // now setup the actual list contents.
        for(int i = 0; i < list.getItems().size(); i++) {
            try {
                Element element = (Element) list.getItems().get(i);
                
                if(element.type() == Element.CHUNK) {
                    element = new ListItem((Chunk) element);
                }
                if(element instanceof ListItem) {
                    ll.setAlignment(((ListItem) element).getAlignment());
                }
                RtfBasicElement[] rtfElements = doc.getMapper().mapElement(element);
                for(int j = 0; j < rtfElements.length; j++) {
                    RtfBasicElement rtfElement = rtfElements[j];
                    if(rtfElement instanceof RtfList) {
                        ((RtfList) rtfElement).setParentList(this);
                    } else if(rtfElement instanceof RtfListItem) {
                        ((RtfListItem) rtfElement).setParent(ll);
                    }
                    ll.setFontNumber( new RtfFont(document, new Font(Font.TIMES_ROMAN, 10, Font.NORMAL, new Color(0, 0, 0))) );
                    if (list.getSymbol() != null && list.getSymbol().getFont() != null && !list.getSymbol().getContent().startsWith("-") && list.getSymbol().getContent().length() > 0) {
                        // only set this to bullet symbol is not default
                        ll.setBulletFont( list.getSymbol().getFont());
                        ll.setBulletCharacter(list.getSymbol().getContent().substring(0, 1));
                    } else
                	 if (list.getSymbol() != null && list.getSymbol().getFont() != null) {
                     	ll.setBulletFont(list.getSymbol().getFont());
                	 
                	 } else {
                    	ll.setBulletFont(new Font(Font.SYMBOL, 10, Font.NORMAL, new Color(0, 0, 0)));
                    } 
                    items.add(rtfElement);
                }

            } catch(DocumentException de) {
                de.printStackTrace();