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using System;
using System.Globalization;
using EColor = ElmSharp.Color;
namespace Xamarin.Forms.Platform.Tizen
{
public class TimePickerRenderer : ViewRenderer<TimePicker, Native.Button>
{
//TODO need to add internationalization support
const string DialogTitle = "Choose Time";
static readonly string s_defaultFormat = CultureInfo.CurrentCulture.DateTimeFormat.ShortTimePattern;
static readonly EColor s_defaultTextColor = EColor.White;
string _format;
TimeSpan _time;
public TimePickerRenderer()
{
RegisterPropertyHandler(TimePicker.FormatProperty, UpdateFormat);
RegisterPropertyHandler(TimePicker.TimeProperty, UpdateTime);
RegisterPropertyHandler(TimePicker.TextColorProperty, UpdateTextColor);
}
protected override void OnElementChanged(ElementChangedEventArgs<TimePicker> e)
{
if (Control == null)
{
var button = new Native.Button(Forms.Context.MainWindow);
SetNativeControl(button);
}
if (e.OldElement != null)
{
Control.Clicked -= ButtonClickedHandler;
}
if (e.NewElement != null)
{
_time = DateTime.Now.TimeOfDay;
_format = s_defaultFormat;
UpdateTimeAndFormat();
Control.Clicked += ButtonClickedHandler;
}
base.OnElementChanged(e);
}
void ButtonClickedHandler(object o, EventArgs e)
{
Native.DateTimePickerDialog dialog = new Native.DateTimePickerDialog(Forms.Context.MainWindow)
{
Title = DialogTitle
};
dialog.InitializeTimePicker(_time, _format);
dialog.DateTimeChanged += DialogDateTimeChangedHandler;
dialog.Dismissed += DialogDismissedHandler;
dialog.Show();
}
void DialogDateTimeChangedHandler(object sender, Native.DateChangedEventArgs dcea)
{
Element.Time = dcea.NewDate.TimeOfDay;
UpdateTime();
}
void DialogDismissedHandler(object sender, EventArgs e)
{
var dialog = sender as Native.DateTimePickerDialog;
dialog.DateTimeChanged -= DialogDateTimeChangedHandler;
dialog.Dismissed -= DialogDismissedHandler;
}
void UpdateFormat()
{
_format = Element.Format ?? s_defaultFormat;
UpdateTimeAndFormat();
}
void UpdateTextColor()
{
Control.TextColor = Element.TextColor.IsDefault ? s_defaultTextColor : Element.TextColor.ToNative();
}
void UpdateTime()
{
_time = Element.Time;
UpdateTimeAndFormat();
}
void UpdateTimeAndFormat()
{
// Xamarin using DateTime formatting (https://developer.xamarin.com/api/property/Xamarin.Forms.TimePicker.Format/)
Control.Text = new DateTime(_time.Ticks).ToString(_format);
}
}
}
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