protected override void SetValueImpl(object target, object value)
{
try
{
if (!(target is EmptyDataSet emptyDataSet) || value == null)
{
return;
}
States state = (States)Enum.Parse(typeof(States), value.ToString());
UIView stateView = new UIView()
{
TranslatesAutoresizingMaskIntoConstraints = false
};
foreach (UIView view in emptyDataSet.ContentView.Subviews)
{
view.RemoveFromSuperview();
}
emptyDataSet.ContentView.Alpha = 1f;
var _frame = new CGRect(0, 0, UIScreen.MainScreen.Bounds.Width, UIScreen.MainScreen.Bounds.Height);
switch (state)
{
case States.Normal:
emptyDataSet.ContentView.Alpha = 0f;
break;
case States.Loading:
stateView = new LoadingView(_frame);
break;
case States.NoData:
stateView = new NoDataView(_frame);
break;
case States.NoInternet:
stateView = new NoInternetView(_frame, emptyDataSet.RefreshCommand);
break;
case States.Error:
stateView = new ErrorView(_frame);
break;
}
emptyDataSet.ContentView.AddSubview(stateView);
stateView.SetCenterContraintTo(emptyDataSet.ContentView);
stateView.SetLeftContraintTo(emptyDataSet.ContentView, 0);
stateView.SetRightContraintTo(emptyDataSet.ContentView, 0);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
}