MARKUS

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows;

using System.Windows.Controls;

namespace Markus.Service.StationController.Controls

{

    public class RowIndexColumn : Telerik.Windows.Controls.GridViewColumn

    {

        public override FrameworkElement CreateCellElement(Telerik.Windows.Controls.GridView.GridViewCell cell, object dataItem)

        {

            TextBlock textBlock = cell.Content as TextBlock;

            if (textBlock == null)

            {

                textBlock = new TextBlock();

            }

            textBlock.Text = string.Format("{0}", this.DataControl.Items.IndexOf(dataItem) + 1);

            return textBlock;

        }

        protected override void OnPropertyChanged(System.ComponentModel.PropertyChangedEventArgs args)

        {

            base.OnPropertyChanged(args);

            if (args.PropertyName == "DataControl")

            {

                if (this.DataControl != null && this.DataControl.Items != null)

                {

                    this.DataControl.Items.CollectionChanged += (s, e) =>

                    {

                        if (e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Remove)

                        {

                            this.Refresh();

                        }

                    };

                }

            }

        }

    }

}