/BlogEngine/DotNetSlave.BusinessLogic/CategoryDictionary.cs

#region Using



using System;

using System.IO;

using System.Collections.Generic;

using System.Xml;

using BlogEngine.Core.Providers;



#endregion



namespace BlogEngine.Core

{



  /// <summary>

  /// A dictionary for all Post categories.

  /// </summary>

  [Serializable]

  public class CategoryDictionary : Dictionary<Guid, string>

  {



    internal static string _Folder = System.Web.HttpContext.Current.Server.MapPath(BlogSettings.Instance.StorageLocation);



    #region Properties



    private static CategoryDictionary _Instance = Load();



    /// <summary>

    /// Gets the singleton instance of the class.

    /// </summary>

    /// <value>An instance of CategoryDictionary.</value>

    public static CategoryDictionary Instance

    {

      get { return _Instance; }

    }



    #endregion



    #region Methods



    /// <summary>

    /// Adds a new category to the dictionary.

    /// </summary>

    /// <returns>The id of the new category.</returns>

    public Guid Add(string title)

    {

      Guid id = Guid.NewGuid();

      this.Add(id, title);

      return id;

    }



    /// <summary>

    /// Save the categories.

    /// </summary>

    public void Save()

    {

      //BlogService.SaveCategories(this);

      OnSaved();

    }



    private static CategoryDictionary Load()

    {

     // return BlogService.SelectCategories(); 

        return null;

    }



    #endregion



    /// <summary>

    /// Occurs when the class is Saved

    /// </summary>

    public static event EventHandler<EventArgs> Saved;    

    private static void OnSaved()

    {

      if (Saved != null)

      {

        Saved(null, new EventArgs());

      }

    }

        



  }

}