private void NewRecurringAppointment()
{
if (monthCalendar.SelectionRange.Start.Date < System.DateTime.Now.Date)
{
MessageBox.Show("Cannot add past appointments to the callendar", "Invalid date", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
RecurringAppointmentFrontEnd form = new RecurringAppointmentFrontEnd(monthCalendar.SelectionRange.Start.Date);
form.ShowDialog();
if (form.RecurringAppointment == null)
{
return;
}
if (_Appointments.Count > 0)
{
foreach (IAppointment app in _Appointments)
{
if (form.RecurringAppointment.OccursOnTime(app.Start, app.Length))
{
MessageBox.Show("Date and Time already used at " + app.Start.ToLongDateString(),
"Cannot add current recurring appointment",
MessageBoxButtons.OK,
MessageBoxIcon.Warning);
return;
}
}
}
// Saving the recurring appointment
// via StreamReader in a .txt file
_Appointments.Add(form.RecurringAppointment);
if (_Appointments.Save())
{
_TodaysAppointments.Add(form.RecurringAppointment);
panelDailyView.Invalidate();
}
}
// EDIT option of an appointment already booked in calendar
// preventing from all datetime exceptions
private void editToolStripMenuItem_Click(object sender, EventArgs e)
{
if (_SelectedAppointment is RecurringAppointment)
{
RecurringAppointment app = _SelectedAppointment as RecurringAppointment;
RecurringAppointmentFrontEnd form = new RecurringAppointmentFrontEnd(monthCalendar.SelectionRange.Start, app);
form.ShowDialog();
_Appointments.Remove(app);
_TodaysAppointments.Remove(app);
if (form.RecurringAppointment == null || form.RecurringAppointment == app)
{
return;
}
if (_Appointments.Count > 0)
{
foreach (IAppointment appointment in _Appointments)
{
if (form.RecurringAppointment.OccursOnTime(appointment.Start, appointment.Length))
{
MessageBox.Show("Date and Time already used at" + appointment.Start.ToLongDateString(),
"Cannot add current appointment",
MessageBoxButtons.OK,
MessageBoxIcon.Warning);
return;
}
}
}
_Appointments.Remove(app);
_TodaysAppointments.Remove(app);
_Appointments.Add(form.RecurringAppointment);
if (_Appointments.Save())
{
_TodaysAppointments.Add(form.RecurringAppointment);
panelDailyView.Invalidate();
}
}
if (_SelectedAppointment is Appointment)
{
Appointment app = _SelectedAppointment as Appointment;
AppointmentFrontEnd form = new AppointmentFrontEnd(monthCalendar.SelectionRange.Start, app);
form.ShowDialog();
if (form.Appointment == null || form.Appointment == app)
{
return;
}
if (_Appointments.Count > 0)
{
foreach (IAppointment appointment in _Appointments)
{
if (form.Appointment.TimeConflict(appointment.Start, appointment.Length))
{
MessageBox.Show("Date and Time already used",
"Cannot add current appointment",
MessageBoxButtons.OK,
MessageBoxIcon.Warning);
return;
}
}
}
_Appointments.Remove(app);
_TodaysAppointments.Remove(app);
_Appointments.Add(form.Appointment);
if (_Appointments.Save())
{
_TodaysAppointments.Add(form.Appointment);
panelDailyView.Invalidate();
}
}
}