public void MouseMove(System.Windows.Forms.MouseEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException("e");
}
Appointment selection = m_dayView.SelectedAppointment;
UpdateCursor(e, selection);
if ((selection == null) || selection.Locked || (m_mode == Mode.None))
{
return;
}
Rectangle viewrect = m_dayView.GetTrueRectangle();
Rectangle fdrect = m_dayView.GetFullDayApptsRectangle();
if ((e.Button == System.Windows.Forms.MouseButtons.Left) &&
(viewrect.Contains(e.Location) || fdrect.Contains(e.Location)))
{
// Get time at mouse position
bool longAppt = IsResizingLongAppt();
bool ptInLongAptRect = fdrect.Contains(e.Location);
DateTime dateAtCursor = m_dayView.GetDateTimeAt(e.X, e.Y, longAppt);
switch (m_mode)
{
case Mode.Move:
if (!selection.IsLongAppt() && !ptInLongAptRect)
{
if (m_length == TimeSpan.Zero)
{
m_startDate = selection.StartDate;
m_length = selection.Length;
}
else
{
DateTime startDate = dateAtCursor.Add(m_delta);
DateTime endDate = startDate.Add(m_length);
if (startDate.Date < dateAtCursor.Date)
{
// User has dragged off the top
startDate = dateAtCursor.Date;
endDate = startDate.Add(m_length);
}
else if (endDate > dateAtCursor.Date.AddDays(1))
{
// User has dragged off the bottom
startDate = endDate.Date.Subtract(m_length);
endDate = (startDate + m_length);
}
// Handle horizontal drag
DateTime date = m_dayView.GetDateAt(e.X, false);
DateTime datePrev = m_dayView.GetDateAt(m_lastMouseMove.X, false);
if (date != datePrev)
{
startDate = date.Date.Add(startDate.TimeOfDay);
endDate = startDate.Add(m_length);
}
// Check for a change
if (startDate != selection.StartDate)
{
selection.StartDate = startDate;
selection.EndDate = endDate;
m_dayView.Invalidate();
m_dayView.RaiseAppointmentMove(new MoveAppointmentEventArgs(selection, m_mode, false));
}
}
}
else if (selection.IsLongAppt() && ptInLongAptRect)
{
dateAtCursor = dateAtCursor.Add(m_delta);
int hoursDiff = dateAtCursor.Subtract(selection.StartDate).Hours;
TimeSpan apptLen = selection.Length;
if (hoursDiff != 0)
{
System.DateTime newStart = selection.StartDate.AddHours(hoursDiff);
if (newStart != selection.StartDate)
{
selection.StartDate = newStart;
selection.EndDate = (newStart + apptLen);
m_dayView.Invalidate();
m_dayView.RaiseAppointmentMove(new MoveAppointmentEventArgs(selection, m_mode, false));
}
}
}
break;
case Mode.ResizeBottom:
if (!ptInLongAptRect)
{
// Note: the current algorithm tends to 'floor' the time
// which makes selecting all the way to midnight tricky.
// We solve it by adding half the slot height to the
// mouse position
dateAtCursor = m_dayView.GetDateTimeAt(e.X, e.Y + m_dayView.SlotHeight, longAppt);
if (dateAtCursor == dateAtCursor.Date)
{
dateAtCursor = dateAtCursor.AddDays(1).AddSeconds(-1);
}
if (dateAtCursor > selection.StartDate)
{
if (SameDay(selection.EndDate, dateAtCursor))
{
selection.EndDate = dateAtCursor;
m_dayView.Invalidate();
m_dayView.RaiseAppointmentMove(new MoveAppointmentEventArgs(selection, m_mode, false));
}
}
}
break;
case Mode.ResizeTop:
if (!ptInLongAptRect && (dateAtCursor < selection.EndDate))
{
if (selection.StartDate.Day == dateAtCursor.Day)
{
selection.StartDate = dateAtCursor;
m_dayView.Invalidate();
m_dayView.RaiseAppointmentMove(new MoveAppointmentEventArgs(selection, m_mode, false));
}
}
break;
case Mode.ResizeLeft:
if (ptInLongAptRect && (dateAtCursor.Date < selection.EndDate.AddHours(-1)))
{
selection.StartDate = dateAtCursor;
m_dayView.Invalidate();
m_dayView.RaiseAppointmentMove(new MoveAppointmentEventArgs(selection, m_mode, false));
}
break;
case Mode.ResizeRight:
if (ptInLongAptRect && (dateAtCursor >= selection.StartDate.AddHours(1)))
{
selection.EndDate = dateAtCursor;
m_dayView.Invalidate();
m_dayView.RaiseAppointmentMove(new MoveAppointmentEventArgs(selection, m_mode, false));
}
break;
}
m_lastMouseMove = e.Location;
}
}
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);
switch (mode)
{
case Mode.Move:
// 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)
{
selection.StartDate = m_Date;
selection.EndDate = m_EndDate;
dayView.Invalidate();
dayView.RaiseAppointmentMove(new AppointmentEventArgs(selection));
}
}
}
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 Mode.ResizeBottom:
if (m_Date > selection.StartDate)
{
if (selection.EndDate.Day == m_Date.Day)
{
selection.EndDate = m_Date;
dayView.Invalidate();
dayView.RaiseAppointmentMove(new AppointmentEventArgs(selection));
}
}
break;
case Mode.ResizeTop:
if (m_Date < selection.EndDate)
{
if (selection.StartDate.Day == m_Date.Day)
{
selection.StartDate = m_Date;
dayView.Invalidate();
dayView.RaiseAppointmentMove(new AppointmentEventArgs(selection));
}
}
break;
case Mode.ResizeLeft:
if (m_Date.Date < selection.EndDate.Date)
{
selection.StartDate = m_Date.Date;
dayView.Invalidate();
dayView.RaiseAppointmentMove(new AppointmentEventArgs(selection));
}
break;
case Mode.ResizeRight:
if (m_Date.Date >= selection.StartDate.Date)
{
selection.EndDate = m_Date.Date.AddDays(1);
dayView.Invalidate();
dayView.RaiseAppointmentMove(new AppointmentEventArgs(selection));
}
break;
}
break;
default:
Mode tmpNode = GetMode(e);
switch (tmpNode)
{
case Mode.Move:
dayView.Cursor = System.Windows.Forms.Cursors.Default;
break;
case Mode.ResizeBottom:
case Mode.ResizeTop:
if (!selection.AllDayEvent)
{
dayView.Cursor = System.Windows.Forms.Cursors.SizeNS;
}
break;
case Mode.ResizeLeft: // changed by Gimlei
case Mode.ResizeRight:
if (selection.AllDayEvent)
{
DayView.Cursor = System.Windows.Forms.Cursors.SizeWE;
}
break;
}
break;
}
}
}
}
virtual protected bool MoveAppointment(System.Windows.Forms.MouseEventArgs e)
{
Debug.Assert(CanModifyAppointment(e, true));
if (m_mode != Mode.Move)
{
return(false);
}
Rectangle shortApptsRect = m_dayView.GetTrueRectangle();
Rectangle longApptsRect = m_dayView.GetFullDayApptsRectangle();
if (!shortApptsRect.Contains(e.Location) && !longApptsRect.Contains(e.Location))
{
return(false);
}
Appointment selection = m_dayView.SelectedAppointment;
bool longAppt = IsEditingLongAppt;
bool ptInLongApptsRect = longApptsRect.Contains(e.Location);
bool shortAppt = !longAppt;
bool ptInShortApptsRect = !ptInLongApptsRect;
// Get date/time at mouse position
DateTime dateAtCursor = m_dayView.GetDateTimeAt(e.X, e.Y, longAppt);
if (shortAppt && ptInShortApptsRect)
{
if (m_length == TimeSpan.Zero)
{
m_startDate = selection.StartDate;
m_length = selection.Length;
}
else
{
DateTime startDate = dateAtCursor.Add(m_delta);
DateTime endDate = startDate.Add(m_length);
if (startDate.Date < dateAtCursor.Date)
{
// User has dragged off the top
startDate = dateAtCursor.Date;
endDate = startDate.Add(m_length);
}
else if (endDate > dateAtCursor.Date.AddDays(1))
{
// User has dragged off the bottom
startDate = endDate.Date.Subtract(m_length);
endDate = (startDate + m_length);
}
// Handle horizontal drag
DateTime date = m_dayView.GetDateAt(e.X, false);
DateTime datePrev = m_dayView.GetDateAt(m_lastMouseMove.X, false);
if (date != datePrev)
{
startDate = date.Date.Add(startDate.TimeOfDay);
endDate = startDate.Add(m_length);
}
// Check for a change
if (startDate != selection.StartDate)
{
selection.StartDate = startDate;
selection.EndDate = endDate;
return(true);
}
}
}
else if (longAppt && ptInLongApptsRect)
{
dateAtCursor = dateAtCursor.Add(m_delta);
int hoursDiff = dateAtCursor.Subtract(selection.StartDate).Hours;
TimeSpan apptLen = selection.Length;
if (hoursDiff != 0)
{
System.DateTime newStart = selection.StartDate.AddHours(hoursDiff);
if (newStart != selection.StartDate)
{
selection.StartDate = newStart;
selection.EndDate = (newStart + apptLen);
return(true);
}
}
}
// all else
return(false);
}