private void AddDayFlyout_Click(object sender, RoutedEventArgs e)
{
FrameworkElement senderElement = sender as FrameworkElement;
DatePickerFlyout picker = new DatePickerFlyout();
picker.ShowAt(senderElement);
picker.DatePicked += Picker_DatePicked;
}
void OnDateFly(object sender, TappedRoutedEventArgs e)
{
if (ReadOnlyBinding)
{
return;
}
// 日期选择器
DatePickerFlyout fly = new DatePickerFlyout();
fly.Date = Value;
fly.DatePicked += (s, args) => Value = args.NewDate.DateTime;
fly.ShowAt(_grid);
}
internal override void OnElementFocusChangeRequested(object sender, VisualElement.FocusRequestArgs args)
{
base.OnElementFocusChangeRequested(sender, args);
// Show a picker fly out on focus to match iOS and Android behavior
var flyout = new DatePickerFlyout {
Placement = FlyoutPlacementMode.Bottom, Date = Control.Date
};
flyout.DatePicked += (p, e) => Control.Date = p.Date;
if (!Element.IsVisible)
{
flyout.Placement = FlyoutPlacementMode.Full;
}
flyout.ShowAt(Control);
}
void OnDateTimeFly(object sender, TappedRoutedEventArgs e)
{
if (ReadOnlyBinding)
{
return;
}
// uno无法给出相对位置
TextBlock tb = _grid.Children[0] as TextBlock;
var pt = e.GetPosition(null);
// 无文本内容时按Grid计算
MatrixTransform trans = string.IsNullOrEmpty(tb.Text) ? _grid.TransformToVisual(null) as MatrixTransform : tb.TransformToVisual(null) as MatrixTransform;
if (trans == null)
{
return;
}
bool showDateFly = (pt.X <= trans.Matrix.OffsetX + tb.ActualWidth / 2 + 10) && !_dateInTail;
if (showDateFly)
{
// 日期选择器
DatePickerFlyout fly = new DatePickerFlyout();
fly.Date = Value;
fly.DatePicked += (s, args) => Value = args.NewDate.DateTime.Date + (Value - Value.Date);
fly.ShowAt(_grid);
}
else
{
// 时间选择器
TimePickerFlyout tf = new TimePickerFlyout();
tf.Time = Value - Value.Date;
tf.TimePicked += (s, args) => Value = Value.Date + args.NewTime;
tf.ShowAt(_grid);
}
}
private void AddDayFlyout_Click(object sender, RoutedEventArgs e)
{
FrameworkElement senderElement = sender as FrameworkElement;
DatePickerFlyout picker = new DatePickerFlyout();
picker.ShowAt(senderElement);
picker.DatePicked += Picker_DatePicked;
}
private void AddDateTimeGrid_Tapped(object sender, TappedRoutedEventArgs e)
{
DatePickerFlyout datePickerFlyout = new DatePickerFlyout();
datePickerFlyout.MinYear = DateTime.Now;
datePickerFlyout.DatePicked += datePickerFlyout_DatePicked;
datePickerFlyout.ShowAt(Frame);
}
private void DateButton_Click(object sender, RoutedEventArgs e)
{
_datePickerFlyout = new DatePickerFlyout();
_datePickerFlyout.Date = CurrentDate;
_datePickerFlyout.DatePicked += DatePickerFlyout_DatePicked;
_datePickerFlyout.ShowAt(dateDisplayButton);
}