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

using System;
using System.ComponentModel;
using System.Web.UI.WebControls;
using SiberTek.Xenta.Presentation.Presenters;
using SiberTek.Xenta.Presentation.Resources;
using SiberTek.Xenta.Presentation.Utils;
using SiberTek.Xenta.Presentation.Views;
using SiberTek.Xenta.Web.Controls;
using SiberTek.Xenta.Web.Utils;

namespace SiberTek.Xenta.Web.Admin.Modules
{
    public partial class ForumRoleMap : ViewBase<RolePresenter>, IGrid, ICommandHandler
    {
        #region Properties
        [Browsable(false)]
        public int ForumID
        {
            get
            {
                return Convert.ToInt32(ViewState["ForumID"]);
            }
            set
            {
                ViewState["ForumID"] = value;
            }
        }

        public int RowCount
        {
            get
            {
                return gvForumRoleMap.Rows.Count;
            }
        }
        #endregion

        #region Methods
        public override void BindData()
        {
            DataContainer["ShowHidden"] = true;

            Presenter.LoadCollection();

            gvForumRoleMap.DataSource = DataContainer["RoleCollection"];
            gvForumRoleMap.DataBind();

            base.BindData();
        }

        public void SetColumnVisibility(int index, bool value)
        {
            if(index >= 0 && index < gvForumRoleMap.Columns.Count)
            {
                gvForumRoleMap.Columns[index].Visible = value;
            }
        }
        #endregion

        #region Handlers
        protected override void OnInit(EventArgs e)
        {
            if(!IsPostBack)
            {
                gvForumRoleMap.Columns[0].HeaderText = StringManager.GetString("Admin.ForumRoleMap.colMapped.HeaderText");
                gvForumRoleMap.Columns[1].HeaderText = StringManager.GetString("Admin.ForumRoleMap.colRole.HeaderText");
                gvForumRoleMap.Columns[2].HeaderText = StringManager.GetString("Admin.ForumRoleMap.colActive.HeaderText");
                gvForumRoleMap.EmptyDataText = StringManager.GetString("Admin.ForumRoleMap.EmptyDataText");
            }
            base.OnInit(e);
        }

        protected void GvForumRoleMap_OnRowDataBound(object sender, GridViewRowEventArgs e)
        {
            GridViewRow row = e.Row;

            if(row.RowType == DataControlRowType.DataRow)
            {
                ViewDataContainer item = e.Row.DataItem as ViewDataContainer;

                if(item != null)
                {
                    HiddenField hfRoleID = row.FindControl("hfRoleID") as HiddenField;
                    HyperLink lnkRole = row.FindControl("lnkRole") as HyperLink;
                    CheckBox cbIsActive = row.FindControl("cbIsActive") as CheckBox;
                    CheckBox cbIsMapped = row.FindControl("cbIsMapped") as CheckBox;

                    hfRoleID.Value = item["RoleID"].ToString();
                    lnkRole.Text = (string)item["Name"];
                    lnkRole.NavigateUrl = UrlHelper.FormatUrl("admin", "membership/roles/{0}.aspx", item["RoleID"]);
                    lnkRole.ToolTip = StringManager.GetString("Admin.ForumRoleMap.lnkRole.ToolTip");
                    cbIsMapped.Checked = ForumHelper.IsRoleAssignedToForum(ForumID, (int)item["RoleID"]);
                    cbIsActive.Checked = (bool)item["IsActive"];
                }
            }
        }

        public void OnCommand(object sender, CommandEventArgs e)
        {
            switch(e.CommandName)
            {
                case "Update":
                    {
                        try
                        {
                            foreach(GridViewRow row in gvForumRoleMap.Rows)
                            {
                                HiddenField hfRoleID = row.FindControl("hfRoleID") as HiddenField;
                                CheckBox cbIsMapped = row.FindControl("cbIsMapped") as CheckBox;

                                int roleID = Int32.Parse(hfRoleID.Value);

                                if(cbIsMapped.Checked)
                                {
                                    ForumHelper.AssignRoleToForum(ForumID, roleID);
                                }
                                else
                                {
                                    ForumHelper.UnassignRoleFromForum(ForumID, roleID);
                                }
                            }
                        }
                        catch(Exception ex)
                        {
                            Page.ShowMessage(ex.Message);
                        }
                    }
                    break;
            }
        }
        #endregion
    }
}