RadionButton control for WPF (#10772)
* Added RadionButtonRenderer for WPF * Removed unused method ButtonOnLoaded Made IsDisposed property private * Removed unused UpdateBoederRadius method Co-authored-by: Yuriy Holembyovskyy <yuriy.holembyovskyy@gmail.com>
This commit is contained in:
Yuriy Holembyovskyy
GitHub
Родитель
6655a68896
Коммит
d72cade973
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@ -10,7 +10,7 @@ namespace Xamarin.Forms.ControlGallery.WPF
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public MainWindow()
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{
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InitializeComponent();
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Forms.SetFlags("CarouselView_Experimental", "MediaElement_Experimental");
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Forms.SetFlags("CarouselView_Experimental", "MediaElement_Experimental", "RadioButton_Experimental");
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Xamarin.Forms.Forms.Init();
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FormsMaps.Init("");
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LoadApplication(new Controls.App());
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@ -0,0 +1,67 @@
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using WContentPresenter = System.Windows.Controls.ContentPresenter;
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using System.Windows;
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using System.Windows.Media;
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using Xamarin.Forms.Platform.WPF.Controls;
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namespace Xamarin.Forms.Platform.WPF
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{
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public class FormsRadioButton : System.Windows.Controls.RadioButton
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{
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public static readonly DependencyProperty BorderRadiusProperty = DependencyProperty.Register(nameof(BorderRadius), typeof(int), typeof(FormsButton),
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new PropertyMetadata(default(int), OnBorderRadiusChanged));
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public static readonly DependencyProperty BackgroundColorProperty = DependencyProperty.Register(nameof(BackgroundColor), typeof(Brush), typeof(FormsButton),
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new PropertyMetadata(default(Brush), OnBackgroundColorChanged));
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public Brush BackgroundColor
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{
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get
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{
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return (Brush)GetValue(BackgroundColorProperty);
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}
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set
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{
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SetValue(BackgroundColorProperty, value);
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}
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}
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public int BorderRadius
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{
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get
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{
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return (int)GetValue(BorderRadiusProperty);
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}
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set
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{
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SetValue(BorderRadiusProperty, value);
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}
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}
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public override void OnApplyTemplate()
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{
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base.OnApplyTemplate();
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UpdateBackgroundColor();
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}
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static void OnBackgroundColorChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
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{
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((FormsRadioButton)d).UpdateBackgroundColor();
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}
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static void OnBorderRadiusChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
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{
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}
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void UpdateBackgroundColor()
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{
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if (BackgroundColor == null)
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BackgroundColor = Background;
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Background = BackgroundColor;
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}
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}
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}
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@ -2,13 +2,14 @@
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using System.Runtime.InteropServices;
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using System.Windows;
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using Xamarin.Forms;
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using Xamarin.Forms.Platform.WPF;
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using Xamarin.Forms.Platform.WPF;
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[assembly: ThemeInfo(ResourceDictionaryLocation.None, ResourceDictionaryLocation.SourceAssembly)]
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[assembly: ExportRenderer(typeof(Layout), typeof(LayoutRenderer))]
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[assembly: ExportRenderer(typeof(Label), typeof(LabelRenderer))]
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[assembly: ExportRenderer(typeof(Button), typeof(ButtonRenderer))]
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[assembly: ExportRenderer(typeof(RadioButton), typeof(RadioButtonRenderer))]
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[assembly: ExportRenderer(typeof(BoxView), typeof(BoxViewRenderer))]
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[assembly: ExportRenderer(typeof(Switch), typeof(SwitchRenderer))]
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[assembly: ExportRenderer(typeof(DatePicker), typeof(DatePickerRenderer))]
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@ -0,0 +1,204 @@
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using System.ComponentModel;
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using System.Windows;
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using System.Windows.Media;
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using WThickness = System.Windows.Thickness;
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namespace Xamarin.Forms.Platform.WPF
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{
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public class RadioButtonRenderer : ViewRenderer<RadioButton, FormsRadioButton>
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{
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bool _fontApplied;
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bool _isDisposed;
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FormsRadioButton _button;
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protected override void OnElementChanged(ElementChangedEventArgs<RadioButton> e)
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{
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base.OnElementChanged(e);
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if (e.NewElement != null)
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{
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if (Control == null)
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{
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_button = new FormsRadioButton();
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_button.Click += OnButtonClick;
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_button.AddHandler(System.Windows.Controls.Button.ClickEvent, (RoutedEventHandler)OnPointerPressed, true);
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_button.Checked += OnRadioButtonCheckedOrUnchecked;
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_button.Unchecked += OnRadioButtonCheckedOrUnchecked;
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SetNativeControl(_button);
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}
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UpdateContent();
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//TODO: We may want to revisit this strategy later. If a user wants to reset any of these to the default, the UI won't update.
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if (Element.IsSet(VisualElement.BackgroundColorProperty) && Element.BackgroundColor != (Color)VisualElement.BackgroundColorProperty.DefaultValue)
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UpdateBackground();
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if (Element.IsSet(RadioButton.TextColorProperty) && Element.TextColor != (Color)RadioButton.TextColorProperty.DefaultValue)
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UpdateTextColor();
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if (Element.IsSet(RadioButton.BorderColorProperty) && Element.BorderColor != (Color)RadioButton.BorderColorProperty.DefaultValue)
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UpdateBorderColor();
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if (Element.IsSet(RadioButton.BorderWidthProperty) && Element.BorderWidth != (double)RadioButton.BorderWidthProperty.DefaultValue)
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UpdateBorderWidth();
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if (Element.IsSet(RadioButton.CornerRadiusProperty) && Element.CornerRadius != (int)RadioButton.CornerRadiusProperty.DefaultValue)
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UpdateBorderRadius();
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if (Element.IsSet(RadioButton.PaddingProperty) && Element.Padding != (Thickness)RadioButton.PaddingProperty.DefaultValue)
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UpdatePadding();
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UpdateFont();
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UpdateCheck();
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}
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}
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protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
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{
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base.OnElementPropertyChanged(sender, e);
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if (e.PropertyName == RadioButton.TextProperty.PropertyName || e.PropertyName == Button.ImageSourceProperty.PropertyName)
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{
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UpdateContent();
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}
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else if (e.PropertyName == VisualElement.BackgroundColorProperty.PropertyName)
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{
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UpdateBackground();
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}
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else if (e.PropertyName == RadioButton.TextColorProperty.PropertyName)
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{
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UpdateTextColor();
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}
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else if (e.PropertyName == RadioButton.FontProperty.PropertyName)
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{
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UpdateFont();
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}
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else if (e.PropertyName == RadioButton.BorderColorProperty.PropertyName)
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{
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UpdateBorderColor();
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}
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else if (e.PropertyName == RadioButton.BorderWidthProperty.PropertyName)
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{
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UpdateBorderWidth();
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}
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else if (e.PropertyName == RadioButton.CornerRadiusProperty.PropertyName)
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{
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UpdateBorderRadius();
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}
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else if (e.PropertyName == RadioButton.PaddingProperty.PropertyName)
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{
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UpdatePadding();
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}
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else if (e.PropertyName == RadioButton.IsCheckedProperty.PropertyName)
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{
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UpdateCheck();
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}
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}
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void OnButtonClick(object sender, RoutedEventArgs e)
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{
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((IButtonController)Element)?.SendReleased();
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((IButtonController)Element)?.SendClicked();
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}
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void OnPointerPressed(object sender, RoutedEventArgs e)
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{
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((IButtonController)Element)?.SendPressed();
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}
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void OnRadioButtonCheckedOrUnchecked(object sender, RoutedEventArgs e)
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{
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if (Element == null || Control == null)
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{
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return;
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}
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Element.IsChecked = Control.IsChecked == true;
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}
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protected override void UpdateBackground()
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{
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Control.BackgroundColor = Element.BackgroundColor != Color.Default ? Element.BackgroundColor.ToBrush() : (Brush)System.Windows.Application.Current.Resources["ButtonBackgroundThemeBrush"];
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}
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void UpdateBorderColor()
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{
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Control.BorderBrush = Element.BorderColor != Color.Default ? Element.BorderColor.ToBrush() : (Brush)System.Windows.Application.Current.Resources["ButtonBorderThemeBrush"];
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}
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void UpdateBorderRadius()
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{
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Control.BorderRadius = Element.CornerRadius;
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}
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void UpdateBorderWidth()
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{
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Control.BorderThickness = Element.BorderWidth == (double)RadioButton.BorderWidthProperty.DefaultValue ? new WThickness(3) : new WThickness(Element.BorderWidth);
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}
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void UpdateContent()
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{
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Control.Content = Element.Text;
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}
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void UpdateFont()
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{
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if (Control == null || Element == null)
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return;
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if (Element.Font == Font.Default && !_fontApplied)
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return;
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Font fontToApply = Element.Font == Font.Default ? Font.SystemFontOfSize(NamedSize.Medium) : Element.Font;
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Control.ApplyFont(fontToApply);
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_fontApplied = true;
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}
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void UpdateTextColor()
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{
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Control.Foreground = Element.TextColor != Color.Default ? Element.TextColor.ToBrush() : (Brush)System.Windows.Application.Current.Resources["DefaultTextForegroundThemeBrush"];
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}
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void UpdatePadding()
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{
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Control.Padding = new WThickness(
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Element.Padding.Left,
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Element.Padding.Top,
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Element.Padding.Right,
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Element.Padding.Bottom
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);
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}
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void UpdateCheck()
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{
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if (Control == null || Element == null)
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{
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return;
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}
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Control.IsChecked = Element.IsChecked;
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}
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protected override void Dispose(bool disposing)
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{
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if (_isDisposed)
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return;
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if (_button != null)
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{
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_button.Click -= OnButtonClick;
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_button.RemoveHandler(System.Windows.Controls.Button.ClickEvent, (RoutedEventHandler)OnPointerPressed);
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_button.Checked -= OnRadioButtonCheckedOrUnchecked;
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_button.Unchecked -= OnRadioButtonCheckedOrUnchecked;
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}
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_isDisposed = true;
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base.Dispose(disposing);
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}
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}
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}
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