using System;
using System.IO;
using System.Collections;
using iTextSharp.text;
using iTextSharp.text.rtf;
/*
 * $Id: RtfTabGroup.cs,v 1.5 2008/05/23 17:24:29 psoares33 Exp $
 * 
 *
 * Copyright 2001, 2002, 2003, 2004 by Mark Hall
 *
 * 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.
 * Co-Developer of the code is Mark Hall. Portions created by the Co-Developer are
 * Copyright (C) 2006 by Mark Hall. 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/
 */

namespace iTextSharp.text.rtf.text {

    /**
    * The RtfTabGroup is a convenience class if the same tabs are to be added
    * to multiple paragraphs.<br /><br />
    * 
    * <code>RtfTabGroup tabs = new RtfTabGroup();<br />
    * tabs.Add(new RtfTab(70, RtfTab.TAB_LEFT_ALIGN));<br />
    * tabs.Add(new RtfTab(160, RtfTab.TAB_CENTER_ALIGN));<br />
    * tabs.Add(new RtfTab(250, RtfTab.TAB_DECIMAL_ALIGN));<br />
    * tabs.Add(new RtfTab(500, RtfTab.TAB_RIGHT_ALIGN));<br />
    * Paragraph para = new Paragraph();<br />
    * para.Add(tabs);<br />
    * para.Add("\tLeft aligned\tCentre aligned\t12,45\tRight aligned");</code>
    * 
    * @version $Revision: 1.5 $
    * @author Mark Hall (Mark.Hall@mail.room3b.eu)
    */
    public class RtfTabGroup : RtfAddableElement {
        /**
        * The tabs to add.
        */
        private ArrayList tabs = null;

        /**
        * Constructs an empty RtfTabGroup.
        */
        public RtfTabGroup() {
            this.tabs = new ArrayList();
        }
        
        /**
        * Constructs a RtfTabGroup with a set of tabs.
        * 
        * @param tabs An ArrayList with the RtfTabs to group in this RtfTabGroup.
        */
        public RtfTabGroup(ArrayList tabs) {
            this.tabs = new ArrayList();
            for (int i = 0; i < tabs.Count; i++) {
                if (tabs[i] is RtfTab) {
                    this.tabs.Add(tabs[i]);
                }
            }
        }
        
        /**
        * Adds a RtfTab to the list of grouped tabs.
        * 
        * @param tab The RtfTab to add.
        */
        public void Add(RtfTab tab) {
            this.tabs.Add(tab);
        }
        
        /**
        * Combines the tab output form all grouped tabs.
        */    
        public override void WriteContent(Stream result) {
            foreach (RtfTab rt in tabs) {
                rt.WriteContent(result);
            }
        }
    }
}