/AODL/Document/Content/Text/ListItem.cs

/*************************************************************************

 *

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER

 * 

 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.

 * 

 * Use is subject to license terms.

 * 

 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0. You can also

 * obtain a copy of the License at http://odftoolkit.org/docs/license.txt

 * 

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT

 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * 

 * See the License for the specific language governing permissions and

 * limitations under the License.

 *

 ************************************************************************/



using System.Xml.Linq;

using AODL.Document.Styles;



namespace AODL.Document.Content.Text

{

    /// <summary>

    /// ListItem represent a list item which is used within a list.

    /// </summary>

    public class ListItem : IContent, IContentContainer, IHtml

    {

        /// <summary>

        /// Initializes a new instance of the <see cref="ListItem"/> class.

        /// </summary>

        /// <param name="document">The document.</param>

        public ListItem(IDocument document)

        {

            Document = document;

            InitStandards();

        }



        /// <summary>

        /// Create a new ListItem

        /// </summary>

        /// <param name="list">The List object to which this ListItem belongs.</param>

        public ListItem(List list)

        {

            Document = list.Document;

            List = list;

            InitStandards();

        }



        /// <summary>

        /// The List object to which this ListItem belongs.

        /// </summary>

        public List List { get; set; }



        /// <summary>

        /// Inits the standards.

        /// </summary>

        private void InitStandards()

        {

            NewXmlNode();

            Content = new ContentCollection();



            Content.Inserted += Content_Inserted;

            Content.Removed += Content_Removed;

        }



        /// <summary>

        /// Create a new XElement.

        /// </summary>

        private void NewXmlNode()

        {

            Node = new XElement(Ns.Text + "list-item");

        }



        /// <summary>

        /// Content_s the inserted.

        /// </summary>

        /// <param name="index">The index.</param>

        /// <param name="value">The value.</param>

        private void Content_Inserted(int index, object value)

        {

            Node.Add(((IContent) value).Node);

        }



        /// <summary>

        /// Content_s the removed.

        /// </summary>

        /// <param name="index">The index.</param>

        /// <param name="value">The value.</param>

        private static void Content_Removed(int index, object value)

        {

            ((IContent) value).Node.Remove();

        }



        #region IHtml Member



        /// <summary>

        /// Return the content as Html string

        /// </summary>

        /// <returns>The html string</returns>

        public string GetHtml()

        {

            string html = "<li>\n";



            //Support for vers. < 1.1.1.0

//			if (this.Paragraph != null)

//			{

//				string pHtml	= this.Paragraph.GetHtml();

//				if (pHtml != "<p >\n&nbsp;</p>\n" 

//					&& !pHtml.StartsWith("<p >\n</p>")

//					&& pHtml != "<p >\n </p>\n"

//					&& pHtml != "<p >\n</p>\n")

//					html		+= pHtml+"\n";

//			}



            foreach (IContent content in Content)

                if (content is IHtml)

                    html += ((IHtml) content).GetHtml();



            html += "</li>\n";



            return html;

        }



        #endregion



        #region IContentContainer Member



        private ContentCollection _content;



        /// <summary>

        /// Gets or sets the content.

        /// </summary>

        /// <value>The content.</value>

        public ContentCollection Content

        {

            get { return _content; }

            set

            {

                if (_content != null)

                    foreach (IContent content in _content)

                        content.Node.Remove();



                _content = value;



                if (_content != null)

                    foreach (IContent content in _content)

                        Node.Add(content.Node);

            }

        }



        #endregion



        #region IContent Member



        private IStyle _style;



        /// <summary>

        /// Gets or sets the node.

        /// </summary>

        /// <value>The node.</value>

        public XElement Node { get; set; }



        /// <summary>

        /// Gets or sets the name of the style.

        /// </summary>

        /// <value>The name of the style.</value>

        public string StyleName

        {

            get { return (string) Node.Attribute(Ns.Text + "style-name"); }

            set { Node.SetAttributeValue(Ns.Text + "style-name", value); }

        }



        /// <summary>

        /// Every object (typeof(IContent)) have to know his document.

        /// </summary>

        /// <value></value>

        public IDocument Document { get; set; }



        /// <summary>

        /// A Style class wich is referenced with the content object.

        /// If no style is available this is null.

        /// </summary>

        /// <value></value>

        public IStyle Style

        {

            get { return _style; }

            set

            {

                StyleName = value.StyleName;

                _style = value;

            }

        }



        /// <summary>

        /// Gets or sets the node.

        /// </summary>

        /// <value>The node.</value>

        XNode IContent.Node

        {

            get { return Node; }

            set { Node = (XElement) value; }

        }



        #endregion

    }

}



/*

 * $Log: ListItem.cs,v $

 * Revision 1.2  2008/04/29 15:39:46  mt

 * new copyright header

 *

 * Revision 1.1  2007/02/25 08:58:39  larsbehr

 * initial checkin, import from Sourceforge.net to OpenOffice.org

 *

 * Revision 1.2  2006/02/05 20:02:25  larsbm

 * - Fixed several bugs

 * - clean up some messy code

 *

 * Revision 1.1  2006/01/29 11:28:22  larsbm

 * - Changes for the new version. 1.2. see next changelog for details

 *

 * Revision 1.4  2005/12/18 18:29:46  larsbm

 * - AODC Gui redesign

 * - AODC HTML exporter refecatored

 * - Full Meta Data Support

 * - Increase textprocessing performance

 *

 * Revision 1.3  2005/12/12 19:39:17  larsbm

 * - Added Paragraph Header

 * - Added Table Row Header

 * - Fixed some bugs

 * - better whitespace handling

 * - Implmemenation of HTML Exporter

 *

 * Revision 1.2  2005/10/23 16:47:48  larsbm

 * - Bugfix ListItem throws IStyleInterface not implemented exeption

 * - now. build the document after call saveto instead prepare the do at runtime

 * - add remove support for IText objects in the paragraph class

 *

 * Revision 1.1  2005/10/09 15:52:47  larsbm

 * - Changed some design at the paragraph usage

 * - add list support

 *

 */