private void OnDragOver(object sender, DragEventArgs dragEventArgs)
{
if (dragEventArgs.Data.GetDataPresent(typeof(Appointment)))
{
if (Appointments != null && AdornerControl != null)
{
if (slots == null)
{
ComputeSlots(currentDraggedAppointment.Id);
}
AdornerControl.NewMousePositionForAdorner(dragEventArgs.GetPosition(AdornerControl.ReferenceElement));
var mousePositionTime = GetTimeForPosition(dragEventArgs.GetPosition(AssociatedObject).X);
var currentPointedSlot = GetSlot(mousePositionTime);
if (currentPointedSlot != null)
{
var slotLength = new Duration(currentPointedSlot.Begin, currentPointedSlot.End);
var appointmentLength = new Duration(AppointmentModifications.BeginTime,
AppointmentModifications.EndTime);
if (slotLength >= appointmentLength)
{
AdornerControl.ShowAdornerLikeDropIsPossible();
dropIsPossible = true;
return;
}
}
AdornerControl.ShowAdornerLikeDropIsNotPossible();
dropIsPossible = false;
}
}
}
private void OnDragLeave(object sender, DragEventArgs dragEventArgs)
{
AdornerControl.ShowAdornerLikeDropIsNotPossible();
}
