diff options
Diffstat (limited to 'Xamarin.Forms.Platform.MacOS/Renderers/EntryRenderer.cs')
| -rw-r--r-- | Xamarin.Forms.Platform.MacOS/Renderers/EntryRenderer.cs | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/Xamarin.Forms.Platform.MacOS/Renderers/EntryRenderer.cs b/Xamarin.Forms.Platform.MacOS/Renderers/EntryRenderer.cs deleted file mode 100644 index 5fb65542..00000000 --- a/Xamarin.Forms.Platform.MacOS/Renderers/EntryRenderer.cs +++ /dev/null @@ -1,205 +0,0 @@ -using System; -using System.ComponentModel; -using AppKit; - -namespace Xamarin.Forms.Platform.MacOS -{ - public class EntryRenderer : ViewRenderer<Entry, NSTextField> - { - class BoolEventArgs : EventArgs - { - public BoolEventArgs(bool value) - { - Value = value; - } - public bool Value - { - get; - private set; - } - } - class FormsNSTextField : NSTextField - { - public EventHandler<BoolEventArgs> FocusChanged; - public override bool ResignFirstResponder() - { - FocusChanged?.Invoke(this, new BoolEventArgs(false)); - return base.ResignFirstResponder(); - } - public override bool BecomeFirstResponder() - { - FocusChanged?.Invoke(this, new BoolEventArgs(true)); - return base.BecomeFirstResponder(); - } - } - - bool _disposed; - NSColor _defaultTextColor; - - IElementController ElementController => Element; - - IEntryController EntryController => Element; - - protected override void OnElementChanged(ElementChangedEventArgs<Entry> e) - { - base.OnElementChanged(e); - - if (Control == null) - { - NSTextField textField; - if (e.NewElement.IsPassword) - textField = new NSSecureTextField(); - else - { - textField = new FormsNSTextField(); - (textField as FormsNSTextField).FocusChanged += TextFieldFocusChanged; - } - - SetNativeControl(textField); - - _defaultTextColor = textField.TextColor; - - textField.Changed += OnChanged; - textField.EditingBegan += OnEditingBegan; - textField.EditingEnded += OnEditingEnded; - } - - if (e.NewElement != null) - { - UpdatePlaceholder(); - UpdateText(); - UpdateColor(); - UpdateFont(); - UpdateAlignment(); - } - } - - protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e) - { - if (e.PropertyName == Entry.PlaceholderProperty.PropertyName || - e.PropertyName == Entry.PlaceholderColorProperty.PropertyName) - UpdatePlaceholder(); - else if (e.PropertyName == Entry.IsPasswordProperty.PropertyName) - UpdatePassword(); - else if (e.PropertyName == Entry.TextProperty.PropertyName) - UpdateText(); - else if (e.PropertyName == Entry.TextColorProperty.PropertyName) - UpdateColor(); - else if (e.PropertyName == Entry.HorizontalTextAlignmentProperty.PropertyName) - UpdateAlignment(); - else if (e.PropertyName == Entry.FontAttributesProperty.PropertyName) - UpdateFont(); - else if (e.PropertyName == Entry.FontFamilyProperty.PropertyName) - UpdateFont(); - else if (e.PropertyName == Entry.FontSizeProperty.PropertyName) - UpdateFont(); - else if (e.PropertyName == VisualElement.IsEnabledProperty.PropertyName) - { - UpdateColor(); - UpdatePlaceholder(); - } - - base.OnElementPropertyChanged(sender, e); - } - - protected override void SetBackgroundColor(Color color) - { - if (Control == null) - return; - Control.BackgroundColor = color == Color.Default ? NSColor.Clear : color.ToNSColor(); - - base.SetBackgroundColor(color); - } - - protected override void Dispose(bool disposing) - { - if (disposing && !_disposed) - { - _disposed = true; - if (Control != null) - { - Control.EditingBegan -= OnEditingBegan; - Control.Changed -= OnChanged; - Control.EditingEnded -= OnEditingEnded; - var formsNSTextField = (Control as FormsNSTextField); - if (formsNSTextField != null) - formsNSTextField.FocusChanged -= TextFieldFocusChanged; - } - } - - base.Dispose(disposing); - } - void TextFieldFocusChanged(object sender, BoolEventArgs e) - { - ElementController.SetValueFromRenderer(VisualElement.IsFocusedPropertyKey, e.Value); - } - - void OnEditingBegan(object sender, EventArgs e) - { - ElementController.SetValueFromRenderer(VisualElement.IsFocusedPropertyKey, true); - } - - void OnChanged(object sender, EventArgs eventArgs) - { - ElementController.SetValueFromRenderer(Entry.TextProperty, Control.StringValue); - } - - void OnEditingEnded(object sender, EventArgs e) - { - ElementController.SetValueFromRenderer(VisualElement.IsFocusedPropertyKey, false); - EntryController?.SendCompleted(); - } - - void UpdateAlignment() - { - Control.Alignment = Element.HorizontalTextAlignment.ToNativeTextAlignment(); - } - - void UpdateColor() - { - var textColor = Element.TextColor; - - if (textColor.IsDefault || !Element.IsEnabled) - Control.TextColor = _defaultTextColor; - else - Control.TextColor = textColor.ToNSColor(); - } - - void UpdatePassword() - { - if (Element.IsPassword && (Control is NSSecureTextField)) - return; - if (!Element.IsPassword && !(Control is NSSecureTextField)) - return; - } - - void UpdateFont() - { - Control.Font = Element.ToNSFont(); - } - - void UpdatePlaceholder() - { - var formatted = (FormattedString)Element.Placeholder; - - if (formatted == null) - return; - - var targetColor = Element.PlaceholderColor; - - // Placeholder default color is 70% gray - // https://developer.apple.com/library/prerelease/ios/documentation/UIKit/Reference/UITextField_Class/index.html#//apple_ref/occ/instp/UITextField/placeholder - - var color = Element.IsEnabled && !targetColor.IsDefault ? targetColor : ColorExtensions.SeventyPercentGrey.ToColor(); - - Control.PlaceholderAttributedString = formatted.ToAttributed(Element, color); - } - - void UpdateText() - { - // ReSharper disable once RedundantCheckBeforeAssignment - if (Control.StringValue != Element.Text) - Control.StringValue = Element.Text ?? string.Empty; - } - } -}
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