diff options
Diffstat (limited to 'Xamarin.Forms.Platform.iOS/Renderers/TimePickerRenderer.cs')
-rw-r--r-- | Xamarin.Forms.Platform.iOS/Renderers/TimePickerRenderer.cs | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.iOS/Renderers/TimePickerRenderer.cs b/Xamarin.Forms.Platform.iOS/Renderers/TimePickerRenderer.cs new file mode 100644 index 00000000..85d3ad35 --- /dev/null +++ b/Xamarin.Forms.Platform.iOS/Renderers/TimePickerRenderer.cs @@ -0,0 +1,104 @@ +using System; +using System.Drawing; +using System.ComponentModel; +#if __UNIFIED__ +using UIKit; +using Foundation; +#else +using MonoTouch.UIKit; +using MonoTouch.Foundation; +#endif +#if __UNIFIED__ +using RectangleF = CoreGraphics.CGRect; +using SizeF = CoreGraphics.CGSize; +using PointF = CoreGraphics.CGPoint; + +#else +using nfloat=System.Single; +using nint=System.Int32; +using nuint=System.UInt32; +#endif + +namespace Xamarin.Forms.Platform.iOS +{ + public class TimePickerRenderer : ViewRenderer<TimePicker, UITextField> + { + UIDatePicker _picker; + + protected override void Dispose(bool disposing) + { + if (disposing) + { + Control.Started -= OnStarted; + Control.Ended -= OnEnded; + + _picker.ValueChanged -= OnValueChanged; + } + + base.Dispose(disposing); + } + + protected override void OnElementChanged(ElementChangedEventArgs<TimePicker> e) + { + if (e.NewElement != null) + { + if (Control == null) + { + var entry = new NoCaretField { BorderStyle = UITextBorderStyle.RoundedRect }; + + entry.Started += OnStarted; + entry.Ended += OnEnded; + + _picker = new UIDatePicker { Mode = UIDatePickerMode.Time, TimeZone = new NSTimeZone("UTC") }; + + var width = UIScreen.MainScreen.Bounds.Width; + var toolbar = new UIToolbar(new RectangleF(0, 0, width, 44)) { BarStyle = UIBarStyle.Default, Translucent = true }; + var spacer = new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace); + var doneButton = new UIBarButtonItem(UIBarButtonSystemItem.Done, (o, a) => entry.ResignFirstResponder()); + + toolbar.SetItems(new[] { spacer, doneButton }, false); + + entry.InputView = _picker; + entry.InputAccessoryView = toolbar; + + _picker.ValueChanged += OnValueChanged; + + SetNativeControl(entry); + } + + UpdateTime(); + } + + base.OnElementChanged(e); + } + + protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e) + { + base.OnElementPropertyChanged(sender, e); + + if (e.PropertyName == TimePicker.TimeProperty.PropertyName || e.PropertyName == TimePicker.FormatProperty.PropertyName) + UpdateTime(); + } + + void OnEnded(object sender, EventArgs eventArgs) + { + ((IElementController)Element).SetValueFromRenderer(VisualElement.IsFocusedPropertyKey, false); + } + + void OnStarted(object sender, EventArgs eventArgs) + { + ((IElementController)Element).SetValueFromRenderer(VisualElement.IsFocusedPropertyKey, true); + } + + void OnValueChanged(object sender, EventArgs e) + { + ((IElementController)Element).SetValueFromRenderer(TimePicker.TimeProperty, _picker.Date.ToDateTime() - new DateTime(1, 1, 1)); + } + + void UpdateTime() + { + _picker.Date = new DateTime(1, 1, 1).Add(Element.Time).ToNSDate(); + Control.Text = DateTime.Today.Add(Element.Time).ToString(Element.Format); + } + } +}
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