private bool CanResizeTask(CalendarItem taskItem, Calendar.SelectionTool.Mode mode)
{
switch (mode)
{
// Disable start date editing for tasks with dependencies that are auto-calculated
case Calendar.SelectionTool.Mode.ResizeTop:
case Calendar.SelectionTool.Mode.ResizeLeft:
case Calendar.SelectionTool.Mode.Move:
return(!taskItem.HasDependencies || !AutoCalculateDependencyDates);
case Calendar.SelectionTool.Mode.ResizeBottom:
case Calendar.SelectionTool.Mode.ResizeRight:
return(true);
}
// catch all
return(false);
}
private void ProcessTaskAppointmentChange(CalendarItem item, Calendar.SelectionTool.Mode mode)
{
var notify = new UIExtension.ParentNotify(m_HwndParent);
if (PrepareTaskNotify(item, mode, notify))
{
bool modifyTimeEst = WantModifyTimeEstimate(item);
if (notify.NotifyMod())
{
item.UpdateOriginalDates();
if (modifyTimeEst)
{
item.TimeEstimate = item.LengthAsTimeEstimate(m_WorkWeek, false);
}
return;
}
}
item.RestoreOriginalDates();
m_DayView.Invalidate();
}
private bool PrepareTaskNotify(CalendarItem item, Calendar.SelectionTool.Mode mode, UIExtension.ParentNotify notify, bool includeTimeEstimate = true)
{
switch (mode)
{
case Calendar.SelectionTool.Mode.Move:
if (item.LengthDiffersFromOriginal())
{
// Start date WITHOUT TIME ESTIMATE
PrepareTaskNotify(item, Calendar.SelectionTool.Mode.ResizeLeft, notify, false);
// End date WITHOUT TIME ESTIMATE
PrepareTaskNotify(item, Calendar.SelectionTool.Mode.ResizeRight, notify, false);
if (includeTimeEstimate && WantModifyTimeEstimate(item))
{
notify.AddMod(Task.Attribute.TimeEstimate, item.LengthAsTimeEstimate(m_WorkWeek, false), item.TimeEstUnits);
}
return(true);
}
else if (item.StartDateDiffersFromOriginal())
{
notify.AddMod(Task.Attribute.OffsetTask, item.StartDate);
return(true);
}
break;
case Calendar.SelectionTool.Mode.ResizeLeft:
case Calendar.SelectionTool.Mode.ResizeTop:
if (item.StartDateDiffersFromOriginal())
{
notify.AddMod(Task.Attribute.StartDate, item.StartDate);
if (includeTimeEstimate && WantModifyTimeEstimate(item))
{
notify.AddMod(Task.Attribute.TimeEstimate, item.LengthAsTimeEstimate(m_WorkWeek, false), item.TimeEstUnits);
}
return(true);
}
break;
case Calendar.SelectionTool.Mode.ResizeRight:
case Calendar.SelectionTool.Mode.ResizeBottom:
if (item.EndDateDiffersFromOriginal())
{
// Allow for end of day
var endDate = item.EndDate;
if (endDate == endDate.Date)
{
endDate = endDate.AddDays(-1);
}
if (item.IsDone)
{
notify.AddMod(Task.Attribute.DoneDate, endDate);
}
else
{
notify.AddMod(Task.Attribute.DueDate, endDate);
}
if (includeTimeEstimate && WantModifyTimeEstimate(item))
{
notify.AddMod(Task.Attribute.TimeEstimate, item.LengthAsTimeEstimate(m_WorkWeek, false), item.TimeEstUnits);
}
return(true);
}
break;
}
return(false);
}
