pdfoutline.java

iText是一个能够快速产生PDF文件的java类库。iText的java类对于那些要产生包含文本

/*
 * $Id: PdfOutline.java 2697 2007-04-19 11:59:59Z blowagie $
 * $Name$
 *
 * Copyright 1999, 2000, 2001, 2002 Bruno Lowagie
 *
 * 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.pdf;

import java.awt.Color;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Iterator;

import com.lowagie.text.Chunk;
import com.lowagie.text.Font;
import com.lowagie.text.Paragraph;

/**
 * <CODE>PdfOutline</CODE> is an object that represents a PDF outline entry.
 * <P>
 * An outline allows a user to access views of a document by name.<BR>
 * This object is described in the 'Portable Document Format Reference Manual version 1.3'
 * section 6.7 (page 104-106)
 *
 * @see		PdfDictionary
 */

public class PdfOutline extends PdfDictionary {
    
    // membervariables
    
    /** the <CODE>PdfIndirectReference</CODE> of this object */
    private PdfIndirectReference reference;
    
    /** value of the <B>Count</B>-key */
    private int count = 0;
    
    /** value of the <B>Parent</B>-key */
    private PdfOutline parent;
    
    /** value of the <B>Destination</B>-key */
    private PdfDestination destination;
    
    /** The <CODE>PdfAction</CODE> for this outline.
     */
    private PdfAction action;
       
    protected ArrayList kids = new ArrayList();
    
    protected PdfWriter writer;
    
    /** Holds value of property tag. */
    private String tag;
    
    /** Holds value of property open. */
    private boolean open;
    
    /** Holds value of property color. */
    private Color color;
    
    /** Holds value of property style. */
    private int style = 0;
    
    // constructors
    
    /**
     * Constructs a <CODE>PdfOutline</CODE>.
     * <P>
     * This is the constructor for the <CODE>outlines object</CODE>.
     * 
     * @param writer The PdfWriter you are adding the outline to
     */
    
    PdfOutline(PdfWriter writer) {
        super(OUTLINES);
        open = true;
        parent = null;
        this.writer = writer;
    }
    
    /**
     * Constructs a <CODE>PdfOutline</CODE>.
     * <P>
     * This is the constructor for an <CODE>outline entry</CODE>. The open mode is
     * <CODE>true</CODE>.
     *
     * @param parent the parent of this outline item
     * @param action the <CODE>PdfAction</CODE> for this outline item
     * @param title the title of this outline item
     */
    
    public PdfOutline(PdfOutline parent, PdfAction action, String title) {
        this(parent, action, title, true);
    }
    
    /**
     * Constructs a <CODE>PdfOutline</CODE>.
     * <P>
     * This is the constructor for an <CODE>outline entry</CODE>.
     *
     * @param parent the parent of this outline item
     * @param action the <CODE>PdfAction</CODE> for this outline item
     * @param title the title of this outline item
     * @param open <CODE>true</CODE> if the children are visible
     */
    public PdfOutline(PdfOutline parent, PdfAction action, String title, boolean open) {
        super();
        this.action = action;
        initOutline(parent, title, open);
    }
    
    /**
     * Constructs a <CODE>PdfOutline</CODE>.
     * <P>
     * This is the constructor for an <CODE>outline entry</CODE>. The open mode is
     * <CODE>true</CODE>.
     *
     * @param parent the parent of this outline item
     * @param destination the destination for this outline item
     * @param title the title of this outline item
     */
    
    public PdfOutline(PdfOutline parent, PdfDestination destination, String title) {
        this(parent, destination, title, true);
    }
    
    /**
     * Constructs a <CODE>PdfOutline</CODE>.
     * <P>
     * This is the constructor for an <CODE>outline entry</CODE>.
     *
     * @param parent the parent of this outline item
     * @param destination the destination for this outline item
     * @param title the title of this outline item
     * @param open <CODE>true</CODE> if the children are visible
     */
    public PdfOutline(PdfOutline parent, PdfDestination destination, String title, boolean open) {
        super();
        this.destination = destination;
        initOutline(parent, title, open);
    }
    
    /**
     * Constructs a <CODE>PdfOutline</CODE>.
     * <P>
     * This is the constructor for an <CODE>outline entry</CODE>. The open mode is
     * <CODE>true</CODE>.
     *
     * @param parent the parent of this outline item
     * @param action the <CODE>PdfAction</CODE> for this outline item
     * @param title the title of this outline item
     */
    public PdfOutline(PdfOutline parent, PdfAction action, PdfString title) {
        this(parent, action, title, true);
    }
    
    /**
     * Constructs a <CODE>PdfOutline</CODE>.
     * <P>
     * This is the constructor for an <CODE>outline entry</CODE>.
     *
     * @param parent the parent of this outline item
     * @param action the <CODE>PdfAction</CODE> for this outline item
     * @param title the title of this outline item
     * @param open <CODE>true</CODE> if the children are visible
     */
    public PdfOutline(PdfOutline parent, PdfAction action, PdfString title, boolean open) {
        this(parent, action, title.toString(), open);
    }
    
    /**
     * Constructs a <CODE>PdfOutline</CODE>.
     * <P>
     * This is the constructor for an <CODE>outline entry</CODE>. The open mode is
     * <CODE>true</CODE>.
     *
     * @param parent the parent of this outline item
     * @param destination the destination for this outline item
     * @param title the title of this outline item
     */
    
    public PdfOutline(PdfOutline parent, PdfDestination destination, PdfString title) {
        this(parent, destination, title, true);
    }
    
    /**
     * Constructs a <CODE>PdfOutline</CODE>.
     * <P>
     * This is the constructor for an <CODE>outline entry</CODE>.
     *
     * @param parent the parent of this outline item
     * @param destination the destination for this outline item
     * @param title the title of this outline item
     * @param open <CODE>true</CODE> if the children are visible
     */
    public PdfOutline(PdfOutline parent, PdfDestination destination, PdfString title, boolean open) {
        this(parent, destination, title.toString(), true);
    }
    
    /**
     * Constructs a <CODE>PdfOutline</CODE>.
     * <P>
     * This is the constructor for an <CODE>outline entry</CODE>. The open mode is
     * <CODE>true</CODE>.
     *
     * @param parent the parent of this outline item
     * @param action the <CODE>PdfAction</CODE> for this outline item
     * @param title the title of this outline item
     */
    
    public PdfOutline(PdfOutline parent, PdfAction action, Paragraph title) {
        this(parent, action, title, true);
    }
    
    /**
     * Constructs a <CODE>PdfOutline</CODE>.
     * <P>
     * This is the constructor for an <CODE>outline entry</CODE>.
     *
     * @param parent the parent of this outline item
     * @param action the <CODE>PdfAction</CODE> for this outline item
     * @param title the title of this outline item
     * @param open <CODE>true</CODE> if the children are visible
     */
    public PdfOutline(PdfOutline parent, PdfAction action, Paragraph title, boolean open) {
        super();