1 files changed, 77 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.iOS/Cells/CellRenderer.cs b/Xamarin.Forms.Platform.iOS/Cells/CellRenderer.cs
new file mode 100644
index 00000000..c01a7774
--- /dev/null
+++ b/Xamarin.Forms.Platform.iOS/Cells/CellRenderer.cs
@@ -0,0 +1,77 @@
+using System;
+#if __UNIFIED__
+using UIKit;
+using Foundation;
+
+#else
+using MonoTouch.UIKit;
+using MonoTouch.Foundation;
+#endif
+
+namespace Xamarin.Forms.Platform.iOS
+{
+	public class CellRenderer : IRegisterable
+	{
+		static readonly BindableProperty RealCellProperty = BindableProperty.CreateAttached("RealCell", typeof(UITableViewCell), typeof(Cell), null);
+
+		EventHandler _onForceUpdateSizeRequested;
+
+		public virtual UITableViewCell GetCell(Cell item, UITableViewCell reusableCell, UITableView tv)
+		{
+			var tvc = reusableCell as CellTableViewCell ?? new CellTableViewCell(UITableViewCellStyle.Default, item.GetType().FullName);
+
+			tvc.Cell = item;
+
+			WireUpForceUpdateSizeRequested(item, tvc, tv);
+
+			tvc.TextLabel.Text = item.ToString();
+
+			UpdateBackground(tvc, item);
+			return tvc;
+		}
+
+		protected void UpdateBackground(UITableViewCell tableViewCell, Cell cell)
+		{
+			if (TemplatedItemsList<ItemsView<Cell>, Cell>.GetIsGroupHeader(cell))
+			{
+				if (UIDevice.CurrentDevice.CheckSystemVersion(7, 0))
+					tableViewCell.BackgroundColor = new UIColor(247f / 255f, 247f / 255f, 247f / 255f, 1);
+			}
+			else
+			{
+				// Must be set to a solid color or blending issues will occur
+				var bgColor = UIColor.White;
+
+				var element = cell.RealParent as VisualElement;
+				if (element != null)
+					bgColor = element.BackgroundColor == Color.Default ? bgColor : element.BackgroundColor.ToUIColor();
+
+				tableViewCell.BackgroundColor = bgColor;
+			}
+		}
+
+		protected void WireUpForceUpdateSizeRequested(Cell cell, UITableViewCell nativeCell, UITableView tableView)
+		{
+			cell.ForceUpdateSizeRequested -= _onForceUpdateSizeRequested;
+
+			_onForceUpdateSizeRequested = delegate
+			{
+				var index = tableView.IndexPathForCell(nativeCell);
+				if (index != null)
+					tableView.ReloadRows(new[] { index }, UITableViewRowAnimation.None);
+			};
+
+			cell.ForceUpdateSizeRequested += _onForceUpdateSizeRequested;
+		}
+
+		internal static UITableViewCell GetRealCell(BindableObject cell)
+		{
+			return (UITableViewCell)cell.GetValue(RealCellProperty);
+		}
+
+		internal static void SetRealCell(BindableObject cell, UITableViewCell renderer)
+		{
+			cell.SetValue(RealCellProperty, renderer);
+		}
+	}
+}
+\ No newline at end of file