diff options
Diffstat (limited to 'Xamarin.Forms.Platform.WP8/PickerRenderer.cs')
| -rw-r--r-- | Xamarin.Forms.Platform.WP8/PickerRenderer.cs | 41 |
1 files changed, 34 insertions, 7 deletions
diff --git a/Xamarin.Forms.Platform.WP8/PickerRenderer.cs b/Xamarin.Forms.Platform.WP8/PickerRenderer.cs index f9cd2d81..d52f7314 100644 --- a/Xamarin.Forms.Platform.WP8/PickerRenderer.cs +++ b/Xamarin.Forms.Platform.WP8/PickerRenderer.cs @@ -4,6 +4,7 @@ using System.ComponentModel; using System.Reflection; using System.Windows; using System.Windows.Controls; +using System.Windows.Media; using Microsoft.Phone.Controls; namespace Xamarin.Forms.Platform.WinPhone @@ -11,8 +12,8 @@ namespace Xamarin.Forms.Platform.WinPhone public class PickerRenderer : ViewRenderer<Picker, FrameworkElement> { bool _isChanging; - FormsListPicker _listPicker; + Brush _defaultBrush; protected override void OnElementChanged(ElementChangedEventArgs<Picker> e) { @@ -34,6 +35,12 @@ namespace Xamarin.Forms.Platform.WinPhone _listPicker.Items.Add(new ItemViewModel(" ") { MaxHeight = 0 }); _listPicker.ListPickerModeChanged += ListPickerModeChanged; + _listPicker.Loaded += (sender, args) => { + // The defaults from the control template won't be available + // right away; we have to wait until after the template has been applied + _defaultBrush = _listPicker.Foreground; + UpdateTextColor(); + }; var grid = new System.Windows.Controls.Grid { Children = { _listPicker }, MaxWidth = Device.Info.PixelScreenSize.Width }; SetNativeControl(grid); @@ -45,20 +52,29 @@ namespace Xamarin.Forms.Platform.WinPhone protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e) { base.OnElementPropertyChanged(sender, e); + if (e.PropertyName == Picker.TitleProperty.PropertyName) + { _listPicker.FullModeHeader = Element.Title; - - if (e.PropertyName == VisualElement.IsEnabledProperty.PropertyName) + } + else if (e.PropertyName == VisualElement.IsEnabledProperty.PropertyName) + { UpdateIsEnabled(); - - if (e.PropertyName == Picker.SelectedIndexProperty.PropertyName) + UpdateTextColor(); + } + else if (e.PropertyName == Picker.SelectedIndexProperty.PropertyName) { if (Element.SelectedIndex >= 0 && Element.SelectedIndex < Element.Items.Count) _listPicker.SelectedIndex = Element.SelectedIndex + 1; } - - if (e.PropertyName == View.HorizontalOptionsProperty.PropertyName) + else if (e.PropertyName == View.HorizontalOptionsProperty.PropertyName) + { UpdateAlignment(); + } + else if (e.PropertyName == Picker.TextColorProperty.PropertyName) + { + UpdateTextColor(); + } } protected override void OnGotFocus(object sender, RoutedEventArgs args) @@ -198,6 +214,17 @@ namespace Xamarin.Forms.Platform.WinPhone _listPicker.SelectedIndex = Element.SelectedIndex + 1; } + void UpdateTextColor() + { + if (!_listPicker.IsEnabled) + { + return; + } + + Color color = Element.TextColor; + _listPicker.Foreground = color.IsDefault ? (_defaultBrush ?? color.ToBrush()) : color.ToBrush(); + } + class ItemViewModel : INotifyPropertyChanged { string _data; |