Simple webContentElement for iOS dialog

gistfile1.cs

  public class WebContentElement : Element, IElementSizing
    {
        public enum CellFlags
        {
            Transparent = 1,
            DisableSelection = 2
        }

        private readonly NSString _key;

        public CellFlags Flags;
        private UITableViewCell _currentCell;
        private UIWebView _webView;
        private readonly RectangleF _frame;

        public WebContentElement(String content, String caption, RectangleF frame)
            : base(caption)
        {
            _frame = frame;
            _key = new NSString("rbhtml_row");
            InitWebView(content);
        }

        protected override NSString CellKey
        {
            get { return _key; }
        }

        public float GetHeight(UITableView tableView, NSIndexPath indexPath)
        {
            return _webView.Bounds.Height;
        }

        private void InitWebView(string content)
        {
            _webView = new UIWebView(_frame);
            _webView.ScrollView.ScrollEnabled = true;
            _webView.LoadHtmlString(content, new NSUrl(""));
        }

        protected override UITableViewCell GetCellImpl(UITableView tv)
        {
            UITableViewCell cell = tv.DequeueReusableCell(CellKey);
            if (cell == null)
            {
                cell = new UITableViewCell(UITableViewCellStyle.Default, CellKey);
                if ((Flags & CellFlags.Transparent) != 0)
                {
                    cell.BackgroundColor = UIColor.Clear;
                    cell.BackgroundView = new UIView(RectangleF.Empty)
                        {
                            BackgroundColor = UIColor.Clear
                        };
                }

                cell.SelectionStyle = UITableViewCellSelectionStyle.None;
               
                cell.ContentView.AddSubview(_webView);
            }

            _currentCell = cell;
            return cell;
        }
    }