static void OnSelectedDateChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
PersianDatePicker pdp = d as PersianDatePicker;
var date = e.NewValue as DateTime?;
if (date != null)
{
if (pdp.PersianSelectedDate == null || pdp.PersianSelectedDate.ToDateTime() != date.Value)
{
PersianDate newDate;
if (PersianDate.TryParse(date.Value, out newDate))
{
d.SetValue(PersianSelectedDateProperty, newDate);
}
else
{
d.SetValue(PersianSelectedDateProperty, null);
}
}
}
else
{
d.SetValue(PersianSelectedDateProperty, null);
}
}
static object CoercePersianSelectedDate(DependencyObject d, object o)
{
PersianDatePicker pdp = d as PersianDatePicker;
PersianDate value = (PersianDate)o;
if (value != null)
{
if (value < pdp.DisplayDateStart)
{
return(pdp.DisplayDateStart);
}
if (value > pdp.DisplayDateEnd)
{
return(pdp.DisplayDateEnd);
}
}
else
{
if (pdp.AllowNull == false)
{
if (pdp.PersianSelectedDate == null)
{
return(PersianDate.Today);
}
else
{
return(pdp.PersianSelectedDate);
}
}
}
return(o);
}
static object CoerceDisplayDateEnd(DependencyObject d, object o)
{
PersianDatePicker pdp = d as PersianDatePicker;
PersianDate value = (PersianDate)o;
if (value < pdp.DisplayDateStart)
{
return(pdp.DisplayDateStart);
}
return(o);
}
static void OnPersianSelectedDateChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
PersianDatePicker pdp = d as PersianDatePicker;
if (e.NewValue != null)
{
pdp.Text = e.NewValue.ToString();
d.SetValue(SelectedDateProperty, (e.NewValue as PersianDate).ToDateTime());
}
else
{
pdp.Text = string.Empty;
d.SetValue(SelectedDateProperty, null);
}
pdp.RaiseEvent(new RoutedEventArgs(SelectedDateChangedEvent, pdp));
}
