private void treePreview_AfterSelect(object sender, TreeViewEventArgs e)
{
// clear textbox
txtTreeDetails.Text = "";
// if nothing selected, done already
if (treePreview.SelectedNode == null)
{
return;
}
// level 0: subject
if (treePreview.SelectedNode.Level == 0)
{
// get subject
Subject subject = (Subject)treePreview.SelectedNode.Tag;
// print subject name
txtTreeDetails.Text += subject.Name + "\r\n";
// print all the types within the subject
foreach (Type type in subject.Types)
{
txtTreeDetails.Text += "\r\n\t" + type.Name + " (" + type.Streams.Count + ")";
}
// preview pane
timetableControl1.Timetable = Timetable.From(subject);
}
// level 1: type
else if (treePreview.SelectedNode.Level == 1)
{
// get type
Type type = (Type)treePreview.SelectedNode.Tag;
// print type name
txtTreeDetails.Text += type.Subject.Name + " " + type.Name + "\r\n";
// print all the streams within the type
foreach (Stream stream in type.Streams)
{
txtTreeDetails.Text += "\r\n\t" + stream.ToString();
}
// preview pane
timetableControl1.Timetable = Timetable.From(type);
}
// level 2: stream
else
{
// get stream
Stream stream = (Stream)treePreview.SelectedNode.Tag;
// print stream name
txtTreeDetails.Text += stream.Type.Subject.Name + " " + stream.ToString();
// print all the classes within the type
foreach (Session session in stream.Classes)
{
txtTreeDetails.Text += "\r\n\t\r\n\t" + session.ToString();
}
// preview pane
timetableControl1.Timetable = Timetable.From(stream);
}
}
protected override void OnDragDrop(DragEventArgs drgevent)
{
TimeOfWeek time = FindClickTime(PointToClient(new Point(drgevent.X, drgevent.Y)));
if (drgevent.Data.GetDataPresent(typeof(Stream)))
{
Session dragSession = (Session)drgevent.Data.GetData(typeof(Session));
Session dropSession = Timetable.From(dragSession.Stream.Type).FindClassAt(time, false);
if (dropSession != null && dropSession.Stream != dragSession.Stream)
{
if (Timetable_.SelectStream(dropSession.Stream))
{
TimetableChanged(this);
}
}
}
if (drgevent.Data.GetDataPresent(typeof(Type)))
{
Type dragType = (Type)drgevent.Data.GetData(typeof(Type));
Session dropSession = Timetable.From(dragType).FindClassAt(time, false);
if (dropSession != null)
{
if (Timetable_.SelectStream(dropSession.Stream))
{
TimetableChanged(this);
}
}
}
else if (drgevent.Data.GetDataPresent(typeof(Unavailability)))
{
Unavailability dragUnavail = (Unavailability)drgevent.Data.GetData(typeof(Unavailability));
Timetable_.UnavailableList.Remove(dragUnavail);
if (HoverUnavail_ != null && Timetable_.FreeDuring(HoverUnavail_, true))
{
Timetable_.UnavailableList.Add(new Unavailability(dragUnavail.Name, HoverUnavail_));
TimetableChanged(this);
}
else
{
Timetable_.UnavailableList.Add(dragUnavail);
}
dragUnavail = null;
}
else
{
base.OnDragDrop(drgevent);
}
}
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);
}
}
