/// <summary>
/// Handles the appoinment overlaps badly.
/// </summary>
/// <param name="day">The day.</param>
private static void handleOverlaps(DayWithHourRegion day)
{
//TODO: work out overlaps through a better process
if (day.Appointments.Count > 0)
{
for (int j = 0; j < day.Appointments.Count; j++)
{
AppointmentWithHourRegion app = day.Appointments[j] as AppointmentWithHourRegion;
//if we have overlaps, things get nasty
if (app.HasOverlaps)
{
foreach (AppointmentWithHourRegion overlapApp in app.OverlappingAppointments)
{
//if another appointment overlaps
if (!overlapApp.Bounds.IsEmpty &&
overlapApp.Bounds.IntersectsWith(new Rectangle(app.Bounds.X,
app.Bounds.Y,
app.Bounds.Width,
app.Bounds.Height))
)
{
//if the app width is bigger, trim it
if (app.Bounds.Width >= overlapApp.Bounds.Width)
{
//if current app x starts after the other app x
if (app.Bounds.X >= overlapApp.Bounds.X)
{
app.Bounds = new Rectangle(
app.Bounds.X + app.Bounds.Width / 4,
app.Bounds.Y,
app.Bounds.Width - app.Bounds.Width / 4,
app.Bounds.Height);
}
else
{
app.Bounds = new Rectangle(
app.Bounds.X,
app.Bounds.Y,
app.Bounds.Width - app.Bounds.Width / 4,
app.Bounds.Height);
}
}
}
if (app.Bounds.X + app.Bounds.Width > day.Bounds.X + day.Bounds.Width)
{
Rectangle rect = app.Bounds;
rect.Width = day.Bounds.X + day.Bounds.Width - app.Bounds.X;
app.Bounds = rect;
}
}
}
}
}
}
/// <summary>
/// Calculate the appointment bounds. This works out the size and
/// shape that the appointments will take up on the screen,
/// and handles any other calculations such as overlaps. This method
/// is called from OnPaint only when the property BoundsValidAppointment
/// is set to false (this property is set to false in cases such as
/// when the control has been resized or the appointment list has
/// changed).
/// </summary>
protected override void CalculateAppointmentBounds(Graphics graphics)
{
//int appSeparator = 3;
//recalculate the appointments
foreach (DayWithHourRegion day in this.DayRegions)
{
//clear day and hour appointment regions
day.Appointments.Clear();
foreach (HourRegion hour in day.Hours)
{
hour.Appointments.Clear();
}
//TODO: cater for overlapping multiple timeslots
foreach (Appointment app in Appointments)
{
if (app.DateStart.Year == day.Date.Year && app.DateStart.DayOfYear == day.Date.DayOfYear)
{
AppointmentWithHourRegion appRegion = new AppointmentWithHourRegion(app);
day.Appointments.Add(appRegion);
foreach (HourRegion hour in day.Hours)
{
if (app.DateStart.Hour == hour.Hour) // && app.DateStart.Hour <= hour.Hour)
{
hour.Appointments.Add(appRegion);
}
}
}
}
foreach (AppointmentWithHourRegion appt1 in day.Appointments)
{
foreach (AppointmentWithHourRegion appt2 in day.Appointments)
{
if (appt1 != appt2
&&
appt1.Appointment.DateEnd != appt2.Appointment.DateStart
&&
appt1.Appointment.DateStart != appt2.Appointment.DateEnd
&&
(
appt2.Appointment.DateStart == appt1.Appointment.DateStart
||
appt2.Appointment.DateEnd == appt1.Appointment.DateEnd
||
(appt2.Appointment.DateStart < appt1.Appointment.DateEnd &&
appt2.Appointment.DateStart > appt1.Appointment.DateStart)
||
(appt2.Appointment.DateEnd < appt1.Appointment.DateEnd &&
appt2.Appointment.DateEnd > appt1.Appointment.DateStart)
||
(appt1.Appointment.DateEnd < appt2.Appointment.DateEnd &&
appt1.Appointment.DateEnd > appt2.Appointment.DateStart)
)
)
{
appt1.HasOverlaps = true;
appt2.HasOverlaps = true;
if (!appt1.OverlappingAppointments.Contains(appt2))
{
appt1.OverlappingAppointments.Add(appt2);
}
if (!appt2.OverlappingAppointments.Contains(appt1))
{
appt2.OverlappingAppointments.Add(appt1);
}
}
}
}
//roughly work out appt bounds and starting slot
for (int i = 0; i < day.Hours.Count; i++)
{
HourRegion hour = day.Hours[i];
int apptY = hour.Bounds.Y;
if (hour.Appointments.Count > 0)
{
int hourX = hour.Bounds.X;
int apptX = hourX;
for (int j = 0; j < hour.Appointments.Count; j++)
{
AppointmentWithHourRegion app = hour.Appointments[j];
//work out starting slot
int startMinute = app.Appointment.DateStart.Minute;
if (startMinute >= 0 && startMinute < 15)
{
app.StartingSlot = 0;
}
else if (startMinute >= 15 && startMinute < 30)
{
app.StartingSlot = 1;
}
else if (startMinute >= 30 && startMinute < 45)
{
app.StartingSlot = 2;
}
else if (startMinute >= 45 && startMinute < 60)
{
app.StartingSlot = 3;
}
//work out duration and therefore height
TimeSpan span = app.Appointment.DateEnd.Subtract(app.Appointment.DateStart);
int tempApptHeight = ((span.Hours * 60 + span.Minutes) / 15) * hour.Bounds00.Height;
int tempApptY = apptY + (app.StartingSlot * hour.Bounds00.Height);
int apptWidth = hour.Bounds.Width;
//if we have overlaps, things get nasty
if (app.HasOverlaps)
{
int hourAppWidth = apptWidth / hour.Appointments.Count;
apptWidth = hourAppWidth;
}
app.Bounds = new Rectangle(apptX, tempApptY, apptWidth, tempApptHeight);
//set the bounds
apptX += apptWidth;
}
}
}
//go over again a few times to resolve overlaps
for (int i = 0; i < 5; i++)
{
handleOverlaps(day);
}
}
BoundsValidAppointment = true;
}
