diff options
Diffstat (limited to 'Xamarin.Forms.Platform.WinRT/NativeBindingExtensions.cs')
| -rw-r--r-- | Xamarin.Forms.Platform.WinRT/NativeBindingExtensions.cs | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.WinRT/NativeBindingExtensions.cs b/Xamarin.Forms.Platform.WinRT/NativeBindingExtensions.cs new file mode 100644 index 00000000..cc88c87e --- /dev/null +++ b/Xamarin.Forms.Platform.WinRT/NativeBindingExtensions.cs @@ -0,0 +1,58 @@ +using System; +using System.Collections.Generic; +using System.ComponentModel; +using Windows.UI.Xaml; +using static System.String; +#if WINDOWS_UWP + +namespace Xamarin.Forms.Platform.UWP +#else + +namespace Xamarin.Forms.Platform.WinRT +#endif +{ + public static class NativeBindingExtensions + { + public static void SetBinding(this FrameworkElement view, string propertyName, BindingBase bindingBase, string updateSourceEventName = null) + { + var binding = bindingBase as Binding; + updateSourceEventName = updateSourceEventName ?? binding?.UpdateSourceEventName; + + if (IsNullOrEmpty(updateSourceEventName)) + { + NativePropertyListener nativePropertyListener = null; + if (bindingBase.Mode == BindingMode.TwoWay) + nativePropertyListener = new NativePropertyListener(view, propertyName); + + NativeBindingHelpers.SetBinding(view, propertyName, bindingBase, nativePropertyListener as INotifyPropertyChanged); + return; + } + + NativeEventWrapper eventE = null; + if (binding.Mode == BindingMode.TwoWay && !(view is INotifyPropertyChanged)) + eventE = new NativeEventWrapper(view, propertyName, updateSourceEventName); + + NativeBindingHelpers.SetBinding(view, propertyName, binding, eventE); + } + + public static void SetBinding(this FrameworkElement view, BindableProperty targetProperty, BindingBase binding) + { + NativeBindingHelpers.SetBinding(view, targetProperty, binding); + } + + public static void SetValue(this FrameworkElement target, BindableProperty targetProperty, object value) + { + NativeBindingHelpers.SetValue(target, targetProperty, value); + } + + public static void SetBindingContext(this FrameworkElement target, object bindingContext, Func<FrameworkElement, IEnumerable<FrameworkElement>> getChildren = null) + { + NativeBindingHelpers.SetBindingContext(target, bindingContext, getChildren); + } + + internal static void TransferbindablePropertiesToWrapper(this FrameworkElement target, View wrapper) + { + NativeBindingHelpers.TransferBindablePropertiesToWrapper(target, wrapper); + } + } +}
\ No newline at end of file |