protected override void OnMouseDoubleClick(MouseEventArgs e)
{
base.OnMouseDoubleClick(e);
TimeOfWeek time = FindClickTime(e);
if (TimeOfWeek.ReferenceEquals(time, null))
{
return;
}
if (TimetableMouseDoubleClick != null)
{
TimetableMouseDoubleClick(this, new TimetableEventArgs(e, time));
}
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
TimeOfWeek time = FindClickTime(e);
if (TimeOfWeek.ReferenceEquals(time, null))
{
return;
}
if (EnableDrag_ && e.Button == MouseButtons.Left && Timetable_ != null)
{
DragSession_ = Timetable_.FindClassAt(time, !ShowAll_);
Unavailability dragUnavail = Timetable_.FindUnavailableAt(time);
if (DragSession_ != null)
{
BeginDrag(DragSession_.Stream.Type);
DragCursor_ = DragCursor(DragSession_);
DoDragDrop(DragSession_.Stream.Type, DragDropEffects.Move);
EndDrag();
DragCursor_ = null;
}
else if (dragUnavail != null)
{
HoverUnavail_ = null;
Invalidate();
DragCursor_ = DragCursor(dragUnavail);
DoDragDrop(dragUnavail, DragDropEffects.Move);
HoverUnavail_ = null;
Invalidate();
DragCursor_ = null;
}
}
if (TimetableMouseDown != null)
{
TimetableMouseDown(this, new TimetableEventArgs(e, time));
}
}
protected override void OnDragOver(DragEventArgs drgevent)
{
TimeOfWeek time = FindClickTime(PointToClient(new Point(drgevent.X, drgevent.Y)));
// outside of table bounds?
if (TimeOfWeek.ReferenceEquals(time, null))
{
// clear current preview (at edge of timetable)
EndPreviewStream();
// cannot drag outside of the actual table
drgevent.Effect = DragDropEffects.None;
return;
}
// dragging a class
if (drgevent.Data.GetDataPresent(typeof(Session)) || drgevent.Data.GetDataPresent(typeof(Type)))
{
drgevent.Effect = DragDropEffects.Move;
Type dragType;
if (drgevent.Data.GetDataPresent(typeof(Session)))
{
dragType = ((Session)drgevent.Data.GetData(typeof(Session))).Stream.Type;
}
else
{
dragType = (Type)drgevent.Data.GetData(typeof(Type));
}
Session session = Timetable.From(dragType).FindClassAt(time, false);
if (session == null)
{
EndPreviewStream();
}
else
{
PreviewEquiv(session.Stream);
}
}
// dragging an unavailability
else if (drgevent.Data.GetDataPresent(typeof(Unavailability)))
{
Unavailability dragUnavail = (Unavailability)drgevent.Data.GetData(typeof(Unavailability));
TimeLength offset = new TimeLength(dragUnavail.StartMinute);
TimeOfWeek start = time - dragUnavail.Length / 2;
start -= offset;
start.RoundToNearestHour();
start += offset;
HoverUnavail_ = new Timeslot(start.Day, (TimeOfDay)start, (TimeOfDay)start + dragUnavail.Length);
if (HoverUnavail_.StartTime < new TimeOfDay(HourStart_, 0) || HoverUnavail_.EndTime > new TimeOfDay(HourEnd_, 0))
{
drgevent.Effect = DragDropEffects.None;
HoverUnavail_ = null;
}
else
{
drgevent.Effect = DragDropEffects.Move;
}
Invalidate();
}
else
{
base.OnDragOver(drgevent);
}
}
