using System;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using System.Web.Caching;

using System.Collections.Generic;

using PigeonCms;



public partial class Controls_Default : PigeonCms.BaseModuleControl

{

    private const int View_Grid_Index = 0;

    private const int View_Insert_Index = 1;

    private const int View_Users_Index = 2;



    /// <summary>

    /// pkey, current role

    /// </summary>

    protected string CurrentRole

    {

        get

        {

            string res = "";

            if (ViewState["CurrentRole"] != null)

                res = (string)ViewState["CurrentRole"];

            return res;

        }

        set { ViewState["CurrentRole"] = value; }

    }



    public class RoleName

    {

        public RoleName(string role)

        {

            this.Role = role;

        }

        public string Role { get; set; }

    }



    protected void Page_Load(object sender, EventArgs e)

    {

        if (!Page.IsPostBack)

        {

            loadGrid();

        }

    }



    protected void Grid1_RowCommand(object sender, GridViewCommandEventArgs e)

    {

        if (e.CommandName == "Select")

        {

            editRow(e.CommandArgument.ToString());

        }

        if (e.CommandName == "DeleteRow")

        {

            deleteRow(e.CommandArgument.ToString());

        }

    }



    protected void Grid1_RowCreated(object sender, GridViewRowEventArgs e)

    {

        if (e.Row.RowType == DataControlRowType.Header)

            Utility.AddGlyph(Grid1, e.Row);

    }



    protected void Grid1_RowDataBound(object sender, GridViewRowEventArgs e)

    {

        if (e.Row.RowType == DataControlRowType.DataRow)

        {

            RoleName currItem = (RoleName)e.Row.DataItem;



            Literal LitNumUsersInRole = (Literal)e.Row.FindControl("LitNumUsersInRole");

            Literal LitUsersInRole = (Literal)e.Row.FindControl("LitUsersInRole");



            LitNumUsersInRole.Text = Roles.GetUsersInRole(currItem.Role).Length.ToString();



            string usersInRole = "";

            foreach (string item in Roles.GetUsersInRole(currItem.Role))

            {

                usersInRole += item + ", ";

            }

            if (usersInRole.Length > 0)

            {

                usersInRole = usersInRole.Remove(usersInRole.Length - 2);

            }

            LitUsersInRole.Text = Utility.Html.GetTextPreview(usersInRole, 500, "");

        }

    }



    protected void Grid1_PageIndexChanging(object sender, GridViewPageEventArgs e)

    {

        Grid1.PageIndex = e.NewPageIndex;

        loadGrid();

    }



    protected void BtnNew_Click(object sender, EventArgs e)

    {

        editRow("");

    }



    protected void BtnSave_Click(object sender, EventArgs e)

    {

        if (checkForm())

        {

            if (saveForm())

                MultiView1.ActiveViewIndex = View_Grid_Index;

        }

    }



    protected void BtnCancel_Click(object sender, EventArgs e)

    {

        LblErr.Text = "";

        LblOk.Text = "";

        MultiView1.ActiveViewIndex = View_Grid_Index;

    }



    protected void MultiView1_ActiveViewChanged(object sender, EventArgs e)

    { }



    #region private methods



    private bool checkForm()

    {

        LblErr.Text = "";

        LblOk.Text = "";

        bool res = true;



        if (MultiView1.ActiveViewIndex == View_Insert_Index)    //insert

        {

            if (string.IsNullOrEmpty(TxtRolename.Text))

            {

                res = false;

                LblErr.Text += "inserire in nome della role";

            }

        }

        else if (MultiView1.ActiveViewIndex == View_Users_Index)    //users in role

        {

        }

        return res;

    }



    private bool saveForm()

    {

        LblErr.Text = "";

        LblOk.Text = "";

        bool res = false;



        try

        {

            if (MultiView1.ActiveViewIndex == View_Insert_Index)    //insert

            {

                if (CurrentRole == "")

                {

                    Roles.CreateRole(TxtRolename.Text);

                    res = true;

                }

            }

            if (MultiView1.ActiveViewIndex == View_Users_Index)    //users in role

            {

                if (CurrentRole != "")

                {

                    //remove all users from role

                    string[] usersToRemove = Roles.GetUsersInRole(CurrentRole);

                    if (usersToRemove.Length > 0)

                        Roles.RemoveUsersFromRole(usersToRemove, CurrentRole);



                    //add selected users to role

                    if (HiddenUsersInRole.Value.Length > 0)

                    {

                        string[] usersToAdd = HiddenUsersInRole.Value.Split('|');

                        Roles.AddUsersToRole(usersToAdd, CurrentRole);

                    }

                    res = true;

                }

            }



            if (res)

            {

                loadGrid();

                LblOk.Text = Utility.GetLabel("RECORD_SAVED_MSG");

                MultiView1.ActiveViewIndex = View_Grid_Index;

            }

        }

        catch (Exception e1)

        {

            LblErr.Text = Utility.GetLabel("RECORD_ERR_MSG") + "<br />" + e1.Message;

        }

        finally

        {

        }

        return res;

    }



    private void form2obj(string rolename)

    {

        throw new NotImplementedException();

    }



    private void editRow(string rolename)

    {

        LblOk.Text = "";

        LblErr.Text = "";



        clearForm();

        CurrentRole = rolename;



        if (rolename == string.Empty)

        {

            MultiView1.ActiveViewIndex = View_Insert_Index;

        }

        else

        {

            LitRolename.Text = CurrentRole;

            PgnUserHelper.LoadListUsersInRole(ListUsersInRole, CurrentRole);

            PgnUserHelper.LoadListUsersNotInRole(ListUsersNotInRole, CurrentRole);

            //load hidden field with current roles

            HiddenUsersInRole.Value = "";

            foreach (ListItem item in ListUsersInRole.Items)

            {

                HiddenUsersInRole.Value += item.Value + "|";

            }

            if (HiddenUsersInRole.Value.Length > 0)

                HiddenUsersInRole.Value =

                    HiddenUsersInRole.Value.Remove(HiddenUsersInRole.Value.Length - 1);



            MultiView1.ActiveViewIndex = View_Users_Index;

        }

    }



    private void deleteRow(string rolename)

    {

        LblOk.Text = "";

        LblErr.Text = "";



        try

        {

            Roles.DeleteRole(rolename);

        }

        catch (Exception e)

        {

            LblErr.Text = e.Message;

        }

        loadGrid();

    }



    private void clearForm()

    {

        TxtRolename.Text = "";

        LitRolename.Text = "";

    }



    private void loadGrid()

    {

        string[] roles = Roles.GetAllRoles();

        List<RoleName> rolenames = new List<RoleName>();

        foreach (string role in roles)

        {

            rolenames.Add(new RoleName(role));

        }

        Grid1.DataSource = rolenames;

        Grid1.DataBind();

    }



    #endregion

}