markedsection.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: MarkedSection.java 2748 2007-05-12 15:11:48Z blowagie $
 * $Name$
 *
 * Copyright 2007 by 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) 1999-2007 by Bruno Lowagie.
 * All Rights Reserved.
 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
 * are Copyright (C) 2000-2007 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;

import java.util.Collection;
import java.util.Iterator;

/**
 * Wrapper that allows to add properties to a Chapter/Section object.
 * Before iText 1.5 every 'basic building block' implemented the MarkupAttributes interface.
 * By setting attributes, you could add markup to the corresponding XML and/or HTML tag.
 * This functionality was hardly used by anyone, so it was removed, and replaced by
 * the MarkedObject functionality.
 */

public class MarkedSection extends MarkedObject {

	/** This is the title of this section. */
	protected MarkedObject title = null;
	    
	/**
	 * Creates a MarkedObject with a Section or Chapter object.
	 * @param section	the marked section
	 */
	public MarkedSection(Section section) {
		super();
		if (section.title != null) {
			title = new MarkedObject(section.title);
			section.setTitle(null);
		}
		this.element = section;
	}
	
	/**
	 * Adds a <CODE>Paragraph</CODE>, <CODE>List</CODE> or <CODE>Table</CODE>
	 * to this <CODE>Section</CODE>.
	 *
	 * @param	index	index at which the specified element is to be inserted
	 * @param	o   	an object of type <CODE>Paragraph</CODE>, <CODE>List</CODE> or <CODE>Table</CODE>=
	 * @throws	ClassCastException if the object is not a <CODE>Paragraph</CODE>, <CODE>List</CODE> or <CODE>Table</CODE>
	 */
	public void add(int index, Object o) {
		((Section)element).add(index, o);
	}
	    
	/**
	 * Adds a <CODE>Paragraph</CODE>, <CODE>List</CODE>, <CODE>Table</CODE> or another <CODE>Section</CODE>
	 * to this <CODE>Section</CODE>.
	 *
	 * @param	o   	an object of type <CODE>Paragraph</CODE>, <CODE>List</CODE>, <CODE>Table</CODE> or another <CODE>Section</CODE>
	 * @return	a boolean
	 * @throws	ClassCastException if the object is not a <CODE>Paragraph</CODE>, <CODE>List</CODE>, <CODE>Table</CODE> or <CODE>Section</CODE>
	 */ 
	public boolean add(Object o) {
		return ((Section)element).add(o);
	}

    /**
     * Processes the element by adding it (or the different parts) to an
     * <CODE>ElementListener</CODE>.
     *
     * @param       listener        an <CODE>ElementListener</CODE>
     * @return <CODE>true</CODE> if the element was processed successfully
     */
    public boolean process(ElementListener listener) {
        try {
        	Element element;
            for (Iterator i = ((Section)this.element).iterator(); i.hasNext(); ) {
            	element = (Element)i.next();
                listener.add(element);
            }
            return true;
        }
        catch(DocumentException de) {
            return false;
        }
    }
	
	/**
	 * Adds a collection of <CODE>Element</CODE>s
	 * to this <CODE>Section</CODE>.
	 *
	 * @param	collection	a collection of <CODE>Paragraph</CODE>s, <CODE>List</CODE>s and/or <CODE>Table</CODE>s
	 * @return	<CODE>true</CODE> if the action succeeded, <CODE>false</CODE> if not.
	 * @throws	ClassCastException if one of the objects isn't a <CODE>Paragraph</CODE>, <CODE>List</CODE>, <CODE>Table</CODE>
	 */ 
	public boolean addAll(Collection collection) {
		return ((Section)element).addAll(collection);
	}
	  
	/**
	 * Creates a <CODE>Section</CODE>, adds it to this <CODE>Section</CODE> and returns it.
	 *
	 * @param	indentation	the indentation of the new section
	 * @param	numberDepth	the numberDepth of the section
	 * @return  a new Section object
	 */   
	public MarkedSection addSection(float indentation, int numberDepth) {
		MarkedSection section = ((Section)element).addMarkedSection();
		section.setIndentation(indentation);
		section.setNumberDepth(numberDepth);
		return section;
	}
	    
	/**
	 * Creates a <CODE>Section</CODE>, adds it to this <CODE>Section</CODE> and returns it.
	 *
	 * @param	indentation	the indentation of the new section
	 * @return  a new Section object
	 */
	public MarkedSection addSection(float indentation) {
		MarkedSection section = ((Section)element).addMarkedSection();
		section.setIndentation(indentation);
		return section;
	}
	    
	/**
	 * Creates a <CODE>Section</CODE>, add it to this <CODE>Section</CODE> and returns it.
	 *
	 * @param	numberDepth	the numberDepth of the section
	 * @return  a new Section object
	 */
	public MarkedSection addSection(int numberDepth) {
		MarkedSection section = ((Section)element).addMarkedSection();
		section.setNumberDepth(numberDepth);
		return section;
	}
	    
	/**
	 * Creates a <CODE>Section</CODE>, adds it to this <CODE>Section</CODE> and returns it.
	 *
	 * @return  a new Section object
	 */
	public MarkedSection addSection() {
		return ((Section)element).addMarkedSection();
	}
	    
	// public methods
	    
	/**
	 * Sets the title of this section.
	 *
	 * @param	title	the new title
	 */
	public void setTitle(MarkedObject title) {
		if (title.element instanceof Paragraph)
			this.title = title;
	}
	   
	/**
	 * Gets the title of this MarkedSection.
	 */
    public MarkedObject title() {
        if (title == null) {
            return null;
        }
        int depth = Math.min(((Section)element).numbers.size(), ((Section)element).numberDepth);
        if (depth < 1) {
            return title;
        }
        StringBuffer buf = new StringBuffer();
        for (int i = 0; i < depth; i++) {
            buf.insert(0, ".");
            buf.insert(0, ((Integer) ((Section)element).numbers.get(i)).intValue());
        }
        if (buf.length() > 0) buf.append(' ');
        Paragraph result = new Paragraph((Paragraph)title.element);
        result.add(0, new Chunk(buf.toString(), ((Paragraph)title.element).getFont()));
        MarkedObject mo = new MarkedObject(result);
        mo.markupAttributes = title.markupAttributes;
        return mo;
    }
	
	/**
	 * Sets the depth of the sectionnumbers that will be shown preceding the title.
	 * <P>
	 * If the numberdepth is 0, the sections will not be numbered. If the numberdepth
	 * is 1, the section will be numbered with their own number. If the numberdepth is
	 * higher (for instance x > 1), the numbers of x - 1 parents will be shown.
	 *
	 * @param	numberDepth		the new numberDepth
	 */
	public void setNumberDepth(int numberDepth) {
		((Section)element).setNumberDepth(numberDepth);
	}
	    
	/**
	 * Sets the indentation of this <CODE>Section</CODE> on the left side.
	 *
	 * @param	indentation		the indentation
	 */
	public void setIndentationLeft(float indentation) {
		((Section)element).setIndentationLeft(indentation);
	}
	    
	/**
	 * Sets the indentation of this <CODE>Section</CODE> on the right side.
	 *
	 * @param	indentation		the indentation
	 */   
	public void setIndentationRight(float indentation) {
		((Section)element).setIndentationRight(indentation);
	}
	    
	/**
	 * Sets the indentation of the content of this <CODE>Section</CODE>.
	 *
	 * @param	indentation		the indentation
	 */
	public void setIndentation(float indentation) {
		((Section)element).setIndentation(indentation);
	}
	    
	/** Setter for property bookmarkOpen.
	 * @param bookmarkOpen false if the bookmark children are not
	 * visible.
	 */
	public void setBookmarkOpen(boolean bookmarkOpen) {
	 	((Section)element).setBookmarkOpen(bookmarkOpen);
	}
	    
	/**
	 * Setter for property triggerNewPage.
	 * @param triggerNewPage true if a new page has to be triggered.
	 */
	public void setTriggerNewPage(boolean triggerNewPage) {
	  	((Section)element).setTriggerNewPage(triggerNewPage);
	}
	    
	/**
	 * Sets the bookmark title. The bookmark title is the same as the section title but
	 * can be changed with this method.
	 * @param bookmarkTitle the bookmark title
	 */    
	public void setBookmarkTitle(String bookmarkTitle) {
	  	((Section)element).setBookmarkTitle(bookmarkTitle);
	}
}