/// <summary>
/// Find an unavailable slot at a given time.
/// </summary>
/// <returns>The first unavailable slot found, or null if none were found.</returns>
public Unavailability FindUnavailableAt(TimeOfWeek time)
{
foreach (Unavailability u in UnavailableList)
{
if (time >= u.Start && time <= u.End)
{
return(u);
}
}
return(null);
}
/// <summary>
/// Find all unavailable slots at a given time.
/// </summary>
/// <returns>The list of unavailable slots found.</returns>
public List <Unavailability> FindAllUnavailableAt(TimeOfWeek time)
{
List <Unavailability> us = new List <Unavailability>();
foreach (Unavailability u in UnavailableList)
{
if (time >= u.Start && time <= u.End)
{
us.Add(u);
}
}
return(us);
}
/// <summary>
/// Find a class at a given time.
/// </summary>
/// <returns>The first class found, or null if none were found.</returns>
public Session FindClassAt(TimeOfWeek time, bool selected)
{
foreach (Session session in ClassList)
{
if (selected && !session.Stream.Selected)
{
continue;
}
if (time >= session.Start && time <= session.End)
{
return(session);
}
}
return(null);
}
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 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));
}
}
/// <summary>
/// Find all classes at a given time.
/// </summary>
public List <Session> FindAllClassesAt(TimeOfWeek time, bool selected)
{
List <Session> sessions = new List <Session>();
// examine every class
foreach (Session session in ClassList)
{
if (selected && !session.Stream.Selected)
{
continue;
}
if (time >= session.Start && time <= session.End)
{
sessions.Add(session);
}
}
return(sessions);
}
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));
}
}
/// <summary>
/// Check if there's a class on at a given time.
/// </summary>
public bool ClassAt(TimeOfWeek time, bool selected)
{
return(FindClassAt(time, selected) != null);
}
/// <summary>
/// Check if a time is within an unavailable slot.
/// </summary>
public bool UnavailableAt(TimeOfWeek time)
{
return(FindUnavailableAt(time) != null);
}
/// <summary>
/// Check if the timetable is free at a given time.
/// </summary>
/// <returns>True if it's free.</returns>
public bool FreeAt(TimeOfWeek time, bool selected)
{
return(!ClassAt(time, selected) && !UnavailableAt(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);
}
}
public TimetableEventArgs(MouseEventArgs e, TimeOfWeek time)
: base(e.Button, e.Clicks, e.X, e.Y, e.Delta)
{
Time_ = time;
}
public TimetableEventArgs(MouseButtons button, int clicks, int x, int y, int delta, TimeOfWeek time)
: base(button, clicks, x, y, delta)
{
Time_ = time;
}
