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using System;
using System.ComponentModel;
using System.Reflection;
using System.Windows.Media;
using Microsoft.Phone.Controls;
namespace Xamarin.Forms.Platform.WinPhone
{
public class TimePickerRenderer : ViewRenderer<TimePicker, Microsoft.Phone.Controls.TimePicker>
{
Brush _defaultBrush;
protected override void OnElementChanged(ElementChangedEventArgs<TimePicker> e)
{
base.OnElementChanged(e);
var timePicker = new Microsoft.Phone.Controls.TimePicker { Value = DateTime.Today.Add(Element.Time) };
timePicker.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 = timePicker.Foreground;
UpdateTextColor();
};
timePicker.ValueChanged += TimePickerOnValueChanged;
SetNativeControl(timePicker);
UpdateFormatString();
}
protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
base.OnElementPropertyChanged(sender, e);
if (e.PropertyName == TimePicker.TimeProperty.PropertyName)
Control.Value = DateTime.Today.Add(Element.Time);
else if (e.PropertyName == TimePicker.FormatProperty.PropertyName)
UpdateFormatString();
else if (e.PropertyName == TimePicker.TextColorProperty.PropertyName)
UpdateTextColor();
}
internal override void OnModelFocusChangeRequested(object sender, VisualElement.FocusRequestArgs args)
{
Microsoft.Phone.Controls.TimePicker control = Control;
if (control == null)
return;
if (args.Focus)
{
typeof(DateTimePickerBase).InvokeMember("OpenPickerPage", BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.InvokeMethod, Type.DefaultBinder, control, null);
args.Result = true;
}
else
{
UnfocusControl(control);
args.Result = true;
}
}
void TimePickerOnValueChanged(object sender, DateTimeValueChangedEventArgs dateTimeValueChangedEventArgs)
{
if (Control.Value != null)
((IElementController)Element).SetValueFromRenderer(TimePicker.TimeProperty, Control.Value.Value - DateTime.Today);
}
void UpdateFormatString()
{
Control.ValueStringFormat = "{0:" + Element.Format + "}";
}
void UpdateTextColor()
{
Color color = Element.TextColor;
Control.Foreground = color.IsDefault ? (_defaultBrush ?? color.ToBrush()) : color.ToBrush();
}
}
}
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