1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 * 

    14 * Description:

    15 *

    16 */

    17 using System;

    18 using System.IO;

    19 using System.Xml;

    20 

    21 namespace SymbianTree

    22 {

    23 	public class SymDocument : SymNodeAddAsChild

    24 	{

    25 		#region Constructors

    26 		public SymDocument()

    27             : this( Granularity )

    28 		{

    29 		}

    30 

    31         public SymDocument( int aGranularity )

    32             : this( aGranularity, null )

    33         {

    34         }

    35 

    36         public SymDocument( object aData )

    37             : this( Granularity, aData )

    38 		{

    39 		}

    40         

    41         public SymDocument( int aGranularity, object aData )

    42             : base( aData )

    43         {

    44             iCurrentNode = this;

    45             CreateChildrenListNow( aGranularity );

    46         }

    47         #endregion

    48 

    49 		#region API

    50         public void SerializeToXml( string aFileName )

    51         {

    52             if ( File.Exists( aFileName ) )

    53             {

    54                 File.Delete( aFileName );

    55             }

    56 

    57             using ( XmlTextWriter writer = new XmlTextWriter( aFileName, System.Text.Encoding.UTF8 ) )

    58             {

    59                 writer.Formatting = Formatting.Indented;

    60                 //

    61                 try

    62                 {

    63                     base.Serialize( writer );

    64                 }

    65                 catch ( XmlException )

    66                 {

    67                 }

    68             }

    69         }

    70 

    71 		public void MakeParentCurrent()

    72 		{

    73 			System.Diagnostics.Debug.Assert( CurrentNode.HasParent );

    74 			CurrentNode = CurrentNode.Parent;

    75 		}

    76 		#endregion

    77 

    78 		#region Properties

    79 		public SymNode CurrentNode

    80 		{

    81 			get { return iCurrentNode; }

    82 			set

    83             {

    84                 iPreviousCurrentNode = iCurrentNode;

    85                 iCurrentNode = value;

    86             }

    87 		}

    88 

    89         public SymNode PreviousCurrentNode

    90 		{

    91             get { return iPreviousCurrentNode; }

    92 		}

    93 		#endregion

    94 

    95 		#region Data members

    96 		private SymNode iCurrentNode;

    97 		private SymNode iPreviousCurrentNode;

    98 		#endregion

    99 	}

   100 }