namespace CellReorderingSample
{
    public partial class CellReorderingSampleViewController : UIViewController
    {
        IGGridView _gridView;
        IGGridViewDataSourceHelper _dsh;
        IGGridViewSingleFieldMultiColumnDataSourceHelper _ds;
        List<NSObject> _data = new List<NSObject>();

        public CellReorderingSampleViewController () {}
        
        public override void ViewDidLoad ()
        {
            base.ViewDidLoad ();

            this.View.BackgroundColor = UIColor.White;
            GenerateData();

            _gridView = new IGGridView(this.View.Bounds, IGGridViewStyle.IGGridViewStyleDefault);
            _gridView.AutoresizingMask = UIViewAutoresizing.FlexibleWidth|UIViewAutoresizing.FlexibleHeight;
            _gridView.SelectionType = IGGridViewSelectionType.IGGridViewSelectionTypeCell;
            _gridView.HeaderHeight = 0;
            this.View.Add(_gridView);

            IGGridViewColumnDefinition column = new IGGridViewColumnDefinition("Name");
            _ds = new IGGridViewSingleFieldMultiColumnDataSourceHelper(column);
            _ds.NumberOfColumns = 4;
            _ds.Data = _data.ToArray();
            _ds.AllowCellReordering = true;

            _dsh = _ds;
            _gridView.DataSource = _ds;
        }

        public void GenerateData()
        {
            for (int i = 1; i < 26; i++)
            {
                Employee newEmployee = new Employee();
                newEmployee.Name = "Employee #" + i.ToString();
                _data.Add(newEmployee);
            }
        }
    }

    public class Employee : NSObject
    {
        [Export("Name")]
        public String Name {get; set;}
        public Employee() {}
    }
}