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.Collections.Generic;

    20 using System.Text;

    21 using SymbianUtils;

    22 

    23 namespace SymbianUtils.FileTypes

    24 {

    25     public class SymFileTypeList : IEnumerable<SymFileType>

    26     {

    27         #region Constructors

    28         public SymFileTypeList()

    29         {

    30         }

    31         #endregion

    32 

    33         #region API

    34         public void Clear()

    35         {

    36             iTypes.Clear();

    37         }

    38 

    39         public void Add( SymFileType aType )

    40         {

    41             if ( !iTypes.ContainsKey( aType.Extension ) )

    42             {

    43                 iTypes.Add( aType.Extension.ToUpper(), aType );

    44             }

    45         }

    46 

    47         public void AddRange( IEnumerable<SymFileType> aTypes )

    48         {

    49             foreach ( SymFileType type in aTypes )

    50             {

    51                 Add( type );

    52             }

    53         }

    54 

    55         public bool IsSupported( string aFileName )

    56         {

    57             string ext = Path.GetExtension( aFileName );

    58             bool ret = iTypes.ContainsKey( ext.ToUpper() );

    59             return ret;

    60         }

    61         #endregion

    62 

    63         #region Properties

    64         public int Count

    65         {

    66             get { return iTypes.Count; }

    67         }

    68         #endregion

    69 

    70         #region From System.Object

    71         public override string ToString()

    72         {

    73             // Image Files(*.BMP;*.JPG;*.GIF)|*.BMP;*.JPG;*.GIF|All files (*.*)|*.*

    74             StringBuilder ret = new StringBuilder();

    75             //

    76             foreach ( KeyValuePair<string, SymFileType> kvp in iTypes )

    77             {

    78                 string extension = kvp.Value.ToString();

    79                 ret.Append( "|" );

    80             }

    81 

    82             // Remove last | if present

    83             int length = ret.Length;

    84             if ( length > 0 )

    85             {

    86                 if ( ret[ length - 1 ] == '|' )

    87                 {

    88                     ret.Length = length - 1; 

    89                 }

    90             }

    91             //

    92             return ret.ToString();

    93         }

    94         #endregion

    95 

    96         #region From IEnumerable<SymFileType>

    97         public IEnumerator<SymFileType> GetEnumerator()

    98         {

    99             foreach ( KeyValuePair<string,SymFileType> type in iTypes )

   100             {

   101                 yield return type.Value;

   102             }

   103         }

   104 

   105         System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()

   106         {

   107             foreach ( KeyValuePair<string, SymFileType> type in iTypes )

   108             {

   109                 yield return type.Value;

   110             }

   111         }

   112         #endregion

   113 

   114         #region Data members

   115         private Dictionary<string, SymFileType> iTypes = new Dictionary<string, SymFileType>();

   116         #endregion

   117     }

   118 }