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using System;
using System.Globalization;
using ELayout = ElmSharp.Layout;
namespace Xamarin.Forms.Platform.Tizen
{
public class TimePickerRenderer : ViewRenderer<TimePicker, ELayout>
{
//TODO need to add internationalization support
const string DialogTitle = "Choose Time";
static readonly string s_defaultFormat = CultureInfo.CurrentCulture.DateTimeFormat.ShortTimePattern;
string _format;
TimeSpan _time;
Native.Entry _realControl;
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 layout = new ELayout(Forms.Context.MainWindow);
layout.SetTheme("layout", "editfield", "singleline");
_realControl = new Native.Entry(layout)
{
IsSingleLine = true,
HorizontalTextAlignment = Native.TextAlignment.Center,
};
_realControl.AllowFocus(false);
layout.SetPartContent("elm.swallow.content", _realControl);
SetNativeControl(layout);
}
if (e.OldElement != null)
{
_realControl.Clicked -= ClickedHandler;
}
if (e.NewElement != null)
{
_time = DateTime.Now.TimeOfDay;
_format = s_defaultFormat;
UpdateTimeAndFormat();
_realControl.Clicked += ClickedHandler;
}
base.OnElementChanged(e);
}
void ClickedHandler(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()
{
_realControl.TextColor = 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/)
_realControl.Text = new DateTime(_time.Ticks).ToString(_format);
}
}
}
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