public void MouseMove(System.Windows.Forms.MouseEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException("e");
}
Appointment selection = dayView.SelectedAppointment;
Rectangle viewrect = dayView.GetTrueRectangle();
Rectangle fdrect = dayView.GetFullDayApptsRectangle();
if (viewrect.Contains(e.Location) || fdrect.Contains(e.Location))
{
if ((selection != null) && (!selection.Locked))
{
switch (e.Button)
{
case System.Windows.Forms.MouseButtons.Left:
// Get time at mouse position
DateTime m_Date = dayView.GetTimeAt(e.X, e.Y, ref _column);
switch (mode)
{
case SelectionMode.Move:
//can the appointment be moved?
AppointmentMoveEventArgs args = new AppointmentMoveEventArgs(selection);
dayView.RaiseBeforeAppointmentMoved(args);
if (!args.AllowMove)
{
mode = SelectionMode.None;
}
// This works for regular (i.e. non full-day or multi-day appointments)
if (!selection.AllDayEvent && viewrect.Contains(e.Location))
{
// add delta value
m_Date = m_Date.Add(delta);
if (length == TimeSpan.Zero)
{
startDate = selection.StartDate;
length = selection.EndDate - startDate;
}
else
{
DateTime m_EndDate = m_Date.Add(length);
if (m_EndDate.Day == m_Date.Day)
{
if (selection.StartDate != m_Date || selection.Column != Column)
{
selection.AppointmentMoved = true;
}
selection.StartDate = m_Date;
selection.EndDate = m_EndDate;
selection.Column = _column;
dayView.RaiseAppointmentMove(new AppointmentEventArgs(selection));
dayView.Invalidate();
}
else
{
if (selection.StartDate != m_Date || selection.Column != _column)
{
selection.AppointmentMoved = true;
}
}
}
}
else
{
if (fdrect.Contains(e.Location))
{
m_Date = m_Date.Add(delta);
int m_DateDiff = m_Date.Subtract(selection.StartDate).Days;
if (m_DateDiff != 0)
{
if (selection.StartDate.AddDays(m_DateDiff) > dayView.StartDate)
{
selection.StartDate = selection.StartDate.AddDays(m_DateDiff);
selection.EndDate = selection.EndDate.AddDays(m_DateDiff);
dayView.Invalidate();
dayView.RaiseAppointmentMove(new AppointmentEventArgs(selection));
}
}
}
}
break;
case SelectionMode.ResizeBottom:
if (!dayView.AllowAppointmentResize)
{
break;
}
if (m_Date > selection.StartDate)
{
if (selection.EndDate.Day == m_Date.Day)
{
dayView.SelectedAppointment.AppointmentMoved = true;
selection.EndDate = m_Date;
dayView.Invalidate();
dayView.RaiseAppointmentMove(new AppointmentEventArgs(selection));
}
}
break;
case SelectionMode.ResizeTop:
if (!dayView.AllowAppointmentResize)
{
break;
}
if (m_Date < selection.EndDate)
{
if (selection.StartDate.Day == m_Date.Day)
{
dayView.SelectedAppointment.AppointmentMoved = true;
selection.StartDate = m_Date;
dayView.Invalidate();
dayView.RaiseAppointmentMove(new AppointmentEventArgs(selection));
}
}
break;
case SelectionMode.ResizeLeft:
if (!selection.AllDayEvent || !dayView.AllowAppointmentResize)
{
break;
}
if (m_Date.Date < selection.EndDate.Date)
{
dayView.SelectedAppointment.AppointmentMoved = true;
selection.StartDate = m_Date.Date;
dayView.Invalidate();
dayView.RaiseAppointmentMove(new AppointmentEventArgs(selection));
}
break;
case SelectionMode.ResizeRight:
if (!selection.AllDayEvent || !dayView.AllowAppointmentResize)
{
break;
}
if (m_Date.Date >= selection.StartDate.Date)
{
dayView.SelectedAppointment.AppointmentMoved = true;
selection.EndDate = m_Date.Date.AddDays(1);
dayView.Invalidate();
dayView.RaiseAppointmentMove(new AppointmentEventArgs(selection));
}
break;
}
break;
default:
SelectionMode tmpNode = GetMode(e);
switch (tmpNode)
{
case SelectionMode.Move:
dayView.Cursor = System.Windows.Forms.Cursors.Default;
break;
case SelectionMode.ResizeBottom:
case SelectionMode.ResizeTop:
if (!selection.AllDayEvent & dayView.AllowAppointmentResize)
{
dayView.Cursor = System.Windows.Forms.Cursors.SizeNS;
}
break;
case SelectionMode.ResizeLeft: // changed by Gimlei
case SelectionMode.ResizeRight:
if (selection.AllDayEvent & dayView.AllowAppointmentResize)
{
DayView.Cursor = System.Windows.Forms.Cursors.SizeWE;
}
break;
}
break;
}
}
}
}