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);
}
}
void CreateLayout()
{
_noDataView = new NoDataView("ic_cloud_off_48pt", "No Data Found")
{
VerticalOptions = LayoutOptions.CenterAndExpand,
HorizontalOptions = LayoutOptions.CenterAndExpand
};
_loadingDataView = new LoadingDataView {
VerticalOptions = LayoutOptions.CenterAndExpand,
HorizontalOptions = LayoutOptions.CenterAndExpand
};
_arrowImage = new Image {
Source = "ic_arrow_downward"
};
_pullText = new Label()
{
Text = "Pull To Refresh",
FontSize = 15,
TextColor = Color.Black,
HorizontalTextAlignment = TextAlignment.Center
};
_pullToRefreshLayout = new StackLayout {
VerticalOptions = LayoutOptions.Start,
HorizontalOptions = LayoutOptions.CenterAndExpand,
Spacing = 5,
Padding = new Thickness(0, 5, 0, 0),
Children =
{
_arrowImage,
_pullText
}
};
_mainNoDataLayout = new ListView {
SeparatorVisibility = SeparatorVisibility.None,
IsPullToRefreshEnabled = true,
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
Header = new StackLayout {
Spacing = 200,
Children =
{
_pullToRefreshLayout,
_noDataView
}
}
};
if (Device.OS == TargetPlatform.iOS)
{
var isfavorite = League.IsFavorite;
_addItem = new ToolbarItem();
_addItem.Text = isfavorite ? "remove" : "add";
_addItem.Clicked += _addItem_Clicked;
_addItem.Icon = isfavorite ? "ic_favorite_white" : "ic_favorite_border_white";
ToolbarItems.Add(_addItem);
}
_fixturesListView = new ListView(ListViewCachingStrategy.RecycleElement)
{
RowHeight = 120,
IsPullToRefreshEnabled = true,
BackgroundColor = Color.White,
ItemTemplate = new DataTemplate(typeof(FixtureLayout)),
SeparatorVisibility = SeparatorVisibility.None,
Opacity = 0
};
}
async void CreateLayout()
{
if (_noFavoritesView == null)
{
_noFavoritesView = new NoDataView(Strings.HeartIcon, Strings.NoFavoritesText)
{
VerticalOptions = LayoutOptions.CenterAndExpand,
HorizontalOptions = LayoutOptions.CenterAndExpand
};
}
_noFavoritesView.Opacity = 0;
if (_mainLayot == null)
{
_mainLayot = new StackLayout {
Spacing = 20,
Padding = new Thickness(10)
};
}
if (_mainContent == null)
{
_mainContent = new ScrollView {
Opacity = 0,
Content = _mainLayot
};
}
if (Content == null)
{
if (ViewModel.FavoritesLeagues.Count == 0)
{
Content = _noFavoritesView;
await Content.FadeTo(1, (uint)Integers.AnimationSpeed, Easing.SinIn);
return;
}
else
{
foreach (var league in SqlManager.Cache.Favorites)
{
var card = new LeagueCardView(league);
card.OnCardClicked = OnCardClicked;
_mainLayot.Children.Add(card);
}
}
Content = _mainContent;
await Content.FadeTo(1, (uint)Integers.AnimationSpeed, Easing.SinIn);
}
else
{
if (_mainContent.Content is StackLayout)
{
if (ViewModel.FavoritesLeagues.Count == 0)
{
foreach (var card in (_mainContent.Content as StackLayout).Children)
{
await card.FadeTo(0, (uint)Integers.AnimationSpeed, Easing.SinIn);
}
Content = _noFavoritesView;
await _noFavoritesView.FadeTo(1, (uint)Integers.AnimationSpeed, Easing.SinIn);
}
else if (ViewModel.FavoritesLeagues.Count != (_mainContent.Content as StackLayout).Children.Count)
{
var removedIndex = -1;
for (int i = 0; i < (_mainContent.Content as StackLayout).Children.Count; i++)
{
if (ViewModel.FavoritesLeagues.FirstOrDefault(item => item.Id == ((_mainContent.Content as StackLayout).Children[i] as LeagueCardView).LeagueItem.Id) == null && removedIndex == -1)
{
removedIndex = i;
await(_mainContent.Content as StackLayout).Children [i].FadeTo(0, (uint)Integers.AnimationSpeed, Easing.SinIn);
await Task.Delay(100);
(_mainContent.Content as StackLayout).Children.RemoveAt(i);
break;
}
}
}
}
else
{
Content = _noFavoritesView;
await _noFavoritesView.FadeTo(1, (uint)Integers.AnimationSpeed, Easing.SinIn);
}
}
}
