1 files changed, 157 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.iOS/Renderers/TableViewModelRenderer.cs b/Xamarin.Forms.Platform.iOS/Renderers/TableViewModelRenderer.cs
new file mode 100644
index 00000000..0e9e15f4
--- /dev/null
+++ b/Xamarin.Forms.Platform.iOS/Renderers/TableViewModelRenderer.cs
@@ -0,0 +1,157 @@
+using System;
+using System.Collections.Generic;
+using Xamarin.Forms;
+#if __UNIFIED__
+using UIKit;
+using Foundation;
+#else
+using MonoTouch.UIKit;
+using MonoTouch.Foundation;
+#endif
+#if __UNIFIED__
+using RectangleF = CoreGraphics.CGRect;
+using SizeF = CoreGraphics.CGSize;
+using PointF = CoreGraphics.CGPoint;
+
+#else
+using nfloat=System.Single;
+using nint=System.Int32;
+using nuint=System.UInt32;
+#endif
+
+namespace Xamarin.Forms.Platform.iOS
+{
+	public class TableViewModelRenderer : UITableViewSource
+	{
+		readonly Dictionary<nint, Cell> _headerCells = new Dictionary<nint, Cell>();
+
+		protected bool HasBoundGestures;
+		protected UITableView Table;
+
+		protected TableView View;
+
+		public TableViewModelRenderer(TableView model)
+		{
+			View = model;
+			View.ModelChanged += (s, e) =>
+			{
+				if (Table != null)
+					Table.ReloadData();
+			};
+			AutomaticallyDeselect = true;
+		}
+
+		public bool AutomaticallyDeselect { get; set; }
+
+		public override UITableViewCell GetCell(UITableView tableView, NSIndexPath indexPath)
+		{
+			var cell = View.Model.GetCell(indexPath.Section, indexPath.Row);
+
+			var nativeCell = CellTableViewCell.GetNativeCell(tableView, cell);
+			return nativeCell;
+		}
+
+		public override nfloat GetHeightForHeader(UITableView tableView, nint section)
+		{
+			if (!_headerCells.ContainsKey((int)section))
+				_headerCells[section] = View.Model.GetHeaderCell((int)section);
+
+			var result = _headerCells[section];
+
+			return result == null ? UITableView.AutomaticDimension : (nfloat)result.Height;
+		}
+
+		public override UIView GetViewForHeader(UITableView tableView, nint section)
+		{
+			if (!_headerCells.ContainsKey((int)section))
+				_headerCells[section] = View.Model.GetHeaderCell((int)section);
+
+			var result = _headerCells[section];
+
+			if (result != null)
+			{
+				var reusable = tableView.DequeueReusableCell(result.GetType().FullName);
+
+				var cellRenderer = Registrar.Registered.GetHandler<CellRenderer>(result.GetType());
+				return cellRenderer.GetCell(result, reusable, Table);
+			}
+			return null;
+		}
+
+		public void LongPress(UILongPressGestureRecognizer gesture)
+		{
+			var point = gesture.LocationInView(Table);
+			var indexPath = Table.IndexPathForRowAtPoint(point);
+			if (indexPath == null)
+				return;
+
+			View.Model.RowLongPressed(indexPath.Section, indexPath.Row);
+		}
+
+		public override nint NumberOfSections(UITableView tableView)
+		{
+			BindGestures(tableView);
+			return View.Model.GetSectionCount();
+		}
+
+		public override void RowSelected(UITableView tableView, NSIndexPath indexPath)
+		{
+			View.Model.RowSelected(indexPath.Section, indexPath.Row);
+			if (AutomaticallyDeselect)
+				tableView.DeselectRow(indexPath, true);
+		}
+
+		public override nint RowsInSection(UITableView tableview, nint section)
+		{
+			return View.Model.GetRowCount((int)section);
+		}
+
+		public override string[] SectionIndexTitles(UITableView tableView)
+		{
+			return View.Model.GetSectionIndexTitles();
+		}
+
+		public override string TitleForHeader(UITableView tableView, nint section)
+		{
+			return View.Model.GetSectionTitle((int)section);
+		}
+
+		void BindGestures(UITableView tableview)
+		{
+			if (HasBoundGestures)
+				return;
+
+			HasBoundGestures = true;
+
+			var gesture = new UILongPressGestureRecognizer(LongPress);
+			gesture.MinimumPressDuration = 2;
+			tableview.AddGestureRecognizer(gesture);
+
+			var dismissGesture = new UITapGestureRecognizer(Tap);
+			dismissGesture.CancelsTouchesInView = false;
+			tableview.AddGestureRecognizer(dismissGesture);
+
+			Table = tableview;
+		}
+
+		void Tap(UITapGestureRecognizer gesture)
+		{
+			gesture.View.EndEditing(true);
+		}
+	}
+
+	public class UnEvenTableViewModelRenderer : TableViewModelRenderer
+	{
+		public UnEvenTableViewModelRenderer(TableView model) : base(model)
+		{
+		}
+
+		public override nfloat GetHeightForRow(UITableView tableView, NSIndexPath indexPath)
+		{
+			var h = View.Model.GetCell(indexPath.Section, indexPath.Row).Height;
+			if (h == -1)
+				return tableView.RowHeight;
+			return (nfloat)h;
+		}
+	}
+}
+\ No newline at end of file