public override void Draw(RectangleF rect)
{
if (ListSource != null)
{
Theme.Cell = this;
TextLabel.BackgroundColor = UIColor.Clear;
if (DetailTextLabel != null)
{
DetailTextLabel.BackgroundColor = UIColor.Clear;
}
if (ListSource.IsRootCell)
{
Accessory = UITableViewCellAccessory.DisclosureIndicator;
TextLabel.Text = ListSource.Caption;
if (ListSource.IsMultiselect && DetailTextLabel != null)
{
DetailTextLabel.Text = ListSource.SelectedItems.Count.ToString();
}
else
{
if (ListSource.SelectedItem != null)
{
if (ListSource.ReplaceCaptionWithSelection)
{
TextLabel.Text = ListSource.SelectedItem.ToString();
}
else if (DetailTextLabel != null)
{
DetailTextLabel.Text = ListSource.SelectedItem.ToString();
}
}
}
}
else
{
var sectionData = ListSource.GetSectionData(0);
if (sectionData.Count > 0 && IndexPath.Row < sectionData.Count)
{
TextLabel.Text = sectionData[IndexPath.Row].ToString();
}
}
}
var resizedRows = false;
if (ViewList != null)
{
foreach (var view in ViewList)
{
var sectionData = ListSource.GetSectionData(0);
if (sectionData != null && sectionData.Count > 0)
{
var data = sectionData[IndexPath.Row];
var dc = view as IDataContext <object>;
if (dc != null)
{
dc.DataContext = data;
}
if (dc == null)
{
var valueMember = view.GetType().GetProperty("Value");
if (valueMember != null && data.GetType().IsAssignableFrom(valueMember.PropertyType))
{
valueMember.SetValue(view, data);
}
else
{
var dataContextMember = view.GetType().GetProperty("DataContext");
if (dataContextMember != null && data.GetType().IsAssignableFrom(dataContextMember.PropertyType))
{
dataContextMember.SetValue(view, data);
}
}
}
var updateable = view as IUpdateable;
if (updateable != null)
{
updateable.UpdateCell(this, IndexPath);
}
var rowHeight = 0f;
var themeable = view as IThemeable;
if (themeable != null)
{
themeable.ApplyTheme(this);
if (themeable.Theme != null && themeable.Theme.CellHeight > 0)
{
rowHeight = themeable.Theme.CellHeight;
}
}
var sizeable = view as ISizeable;
if (sizeable != null)
{
rowHeight = sizeable.GetRowHeight();
}
if (rowHeight > 0 && ListSource.RowHeights[ListSource.BaseIndexPath] != rowHeight)
{
if (ListSource.RowHeights.ContainsKey(IndexPath))
{
if (ListSource.RowHeights[IndexPath] != rowHeight)
{
ListSource.RowHeights[IndexPath] = rowHeight;
resizedRows = true;
}
}
else
{
ListSource.RowHeights.Add(IndexPath, rowHeight);
resizedRows = true;
}
}
var customDraw = view as ICustomDraw;
if (customDraw != null)
{
customDraw.Draw(rect);
}
}
}
if (resizedRows)
{
new Wait(TimeSpan.FromMilliseconds(0), () =>
{
ListSource.Controller.TableView.BeginUpdates();
ListSource.Controller.TableView.EndUpdates();
});
}
}
}
protected void CreateViewList(IList <Type> viewTypes)
{
var frame = new RectangleF(0, 0, ContentView.Bounds.Width, ContentView.Bounds.Height);
if (ViewList != null)
{
foreach (var view in ViewList)
{
view.Dispose();
}
ViewList.Clear();
ViewList = null;
}
ViewList = new List <UIView>();
if (viewTypes != null)
{
foreach (var viewType in viewTypes)
{
if (viewType == null)
{
continue;
}
UIView view = null;
var hasFrameCtor = viewType.GetConstructor(new Type[] { typeof(RectangleF) }) != null;
if (hasFrameCtor)
{
view = Activator.CreateInstance(viewType, new object[] { frame }) as UIView;
if (ListSource.RowHeights[ListSource.BaseIndexPath] != view.Frame.Height)
{
if (ListSource.RowHeights.ContainsKey(IndexPath))
{
ListSource.RowHeights[IndexPath] = view.Frame.Height;
}
else
{
ListSource.RowHeights.Add(IndexPath, view.Frame.Height);
}
}
}
else
{
view = Activator.CreateInstance(viewType) as UIView;
}
var dc = view as IDataContext <object>;
if (dc != null)
{
var item = ListSource.GetSectionData(0)[IndexPath.Row];
dc.DataContext = item;
}
var initializeCell = view as IInitializeCell;
if (initializeCell != null)
{
initializeCell.Cell = this;
initializeCell.Controller = ListSource.Controller;
var newCellStyle = initializeCell.CellStyle;
if (newCellStyle != Style)
{
Style = newCellStyle;
break;
}
}
var themeable = view as IThemeable;
if (themeable != null)
{
if (themeable.Theme == null)
{
var theme = view.GetType().GetCustomAttribute <ThemeAttribute>();
if (theme != null)
{
var cellViewTheme = Theme.CreateTheme(theme.ThemeType);
if (cellViewTheme != null)
{
if (Theme != null)
{
Theme.MergeTheme(cellViewTheme);
}
else
{
Theme = cellViewTheme;
}
themeable.Theme = Theme;
}
}
}
themeable.InitializeTheme(this);
}
var cellContent = view as ICellContent;
if (cellContent != null)
{
if (cellContent.CellContentView != null)
{
_CompositeView.AddSubview(cellContent.CellContentView);
}
}
ViewList.Add(view);
}
}
}
