Open Source Extensible Enterprise n-tier Application Framework with Multilayered Architecture

using System;
using System.ComponentModel;
using System.Web.UI.WebControls;
using SiberTek.Xenta.Enums;
using SiberTek.Xenta.Web.Controls;
using SiberTek.Xenta.Presentation.Resources;

namespace SiberTek.Xenta.Web.Home.Modules
{
    public partial class PublicationTypeDropDownList : UserControlBase, IDropDownList<PublicationType?>
    {
        #region Events
        public event EventHandler SelectedIndexChanged;
        #endregion

        #region Properties
        [Browsable(false)]
        public PublicationType? SelectedValue
        {
            get
            {
                return String.IsNullOrEmpty(lstPublicationTypeList.SelectedValue) ? (PublicationType?)null : (PublicationType)Enum.Parse(typeof(PublicationType), lstPublicationTypeList.SelectedValue);
            }
            set
            {
                lstPublicationTypeList.SelectedValue = value.HasValue ? value.Value.ToString() : String.Empty;
            }
        }

        public bool AllowEmptyItem
        {
            get
            {
                return Convert.ToBoolean(ViewState["AllowEmptyItem"]);
            }
            set
            {
                ViewState["AllowEmptyItem"] = value;
            }
        }

        public bool AutoPostBack
        {
            get
            {
                return lstPublicationTypeList.AutoPostBack;
            }
            set
            {
                lstPublicationTypeList.AutoPostBack = value;
            }
        }

        public int ItemCount
        {
            get
            {
                return lstPublicationTypeList.Items.Count;
            }
        }

        public bool Enabled
        {
            set
            {
                lstPublicationTypeList.Enabled = value;
            }
        }
        #endregion

        #region Methods
        public override void BindData()
        {
            lstPublicationTypeList.Items.Clear();

            if(AllowEmptyItem)
            {
                lstPublicationTypeList.Items.Add(new ListItem("-", String.Empty));
            }
            foreach(string name in Enum.GetNames(typeof(PublicationType)))
            {
                lstPublicationTypeList.Items.Add(new ListItem(StringManager.GetString("Home.PublicationType.{0}", name), name));
            }
            base.BindData();
        }
        #endregion

        #region Handlers
        protected void LstPublicationTypeList_OnSelectedIndexChanged(object sender, EventArgs e)
        {
            FireSelectedIndexChangedEvent();
        }
        #endregion

        #region Utilities
        private void FireSelectedIndexChangedEvent()
        {
            if(SelectedIndexChanged != null)
            {
                SelectedIndexChanged(this, EventArgs.Empty);
            }
        }
        #endregion
    }
}