/*public List<Control> AllChildren(DependencyObject parent)
* {
* var _list = new List<Control>();
* for (int i = 0; i < VisualTreeHelper.GetChildrenCount(parent); i++)
* {
* var _child = VisualTreeHelper.GetChild(parent, i);
* if (_child is Control)
* _list.Add(_child as Control);
* _list.AddRange(AllChildren(_child));
* }
* return _list;
* }*/
protected override void Dispose(bool disposing)
{
if (disposing && !_disposed)
{
indicators = null;
if (flipView != null)
{
flipView.SelectionChanged -= FlipView_SelectionChanged;
flipView = null;
}
if (Element != null)
{
if (Element.ItemsSource != null && Element.ItemsSource is INotifyCollectionChanged)
{
((INotifyCollectionChanged)Element.ItemsSource).CollectionChanged -= ItemsSource_CollectionChanged;
}
}
nativeView = null;
_disposed = true;
}
try
{
base.Dispose(disposing);
}
catch (Exception ex)
{
return;
}
}
protected override void Dispose(bool disposing)
{
if (disposing && !_disposed)
{
prevBtn = null;
nextBtn = null;
indicators = null;
if (flipView != null)
{
flipView.SelectionChanged -= FlipView_SelectionChanged;
flipView = null;
}
if (_collectionListenerSource != null)
{
_collectionListenerSource.CollectionChanged -= ItemsSource_CollectionChanged;
_collectionListenerSource = null;
}
nativeView = null;
_disposed = true;
}
try
{
base.Dispose(disposing);
}
catch (Exception ex)
{
return;
}
}
public void SetNativeView()
{
var position = Element.Position;
if (nativeView == null)
{
nativeView = new FlipViewControl(Element.IsSwipingEnabled);
flipView = nativeView.FindName("flipView") as FlipView;
}
if (orientationChanged)
{
// Orientation BP
if (Element.Orientation == CarouselViewOrientation.Horizontal)
{
flipView.ItemsPanel = nativeView.Resources["HPanel"] as ItemsPanelTemplate;
}
else
{
flipView.ItemsPanel = nativeView.Resources["VPanel"] as ItemsPanelTemplate;
}
orientationChanged = false;
}
var source = new List <FrameworkElement>();
if (Element.ItemsSource != null && Element.ItemsSource?.GetCount() > 0)
{
for (int j = 0; j <= Element.ItemsSource.GetCount() - 1; j++)
{
source.Add(CreateView(Element.ItemsSource.GetItem(j)));
}
}
Source = new ObservableCollection <FrameworkElement>(source);
flipView.ItemsSource = Source;
//flipView.ItemsSource = Element.ItemsSource;
//flipView.ItemTemplateSelector = new MyTemplateSelector(Element); (the way it should be)
converter = new ColorConverter();
// BackgroundColor BP
flipView.Background = (SolidColorBrush)converter.Convert(Element.BackgroundColor, null, null, null);
// IndicatorsTintColor BP
fillColor = (SolidColorBrush)converter.Convert(Element.IndicatorsTintColor, null, null, null);
// CurrentPageIndicatorTintColor BP
selectedColor = (SolidColorBrush)converter.Convert(Element.CurrentPageIndicatorTintColor, null, null, null);
flipView.Loaded += FlipView_Loaded;
flipView.SelectionChanged += FlipView_SelectionChanged;
flipView.SizeChanged += FlipView_SizeChanged;
//IsSwipingEnabled BP (not working)
//flipView.ManipulationMode = Element.IsSwipingEnabled ? ManipulationModes.All : ManipulationModes.None;
if (Source.Count > 0)
{
flipView.SelectedIndex = position;
}
SetNativeControl(nativeView);
// INDICATORS
indicators = nativeView.FindName("indicators") as StackPanel;
SetIndicators();
}