bool
OrderedTask::Replace(const OrderedTaskPoint &new_tp, const unsigned position)
{
if (position >= task_points.size())
return false;
if (task_points[position]->Equals(new_tp))
// nothing to do
return true;
/* is the new_tp allowed in this context? */
if ((position > 0 && !new_tp.IsPredecessorAllowed()) ||
(position + 1 < task_points.size() && !new_tp.IsSuccessorAllowed()))
return false;
delete task_points[position];
task_points[position] = new_tp.Clone(task_behaviour, ordered_behaviour);
if (position)
SetNeighbours(position - 1);
SetNeighbours(position);
if (position + 1 < task_points.size())
SetNeighbours(position + 1);
UpdateGeometry();
return true;
}
bool
OrderedTask::Insert(const OrderedTaskPoint &new_tp, const unsigned position)
{
if (position >= task_points.size())
return Append(new_tp);
if (/* is the new_tp allowed in this context? */
(position > 0 && !new_tp.IsPredecessorAllowed()) ||
!new_tp.IsSuccessorAllowed() ||
/* can a tp be inserted at this position? */
(position > 0 && !task_points[position - 1]->IsSuccessorAllowed()) ||
!task_points[position]->IsPredecessorAllowed())
return false;
if (active_task_point >= position)
active_task_point++;
task_points.insert(task_points.begin() + position,
new_tp.Clone(task_behaviour, ordered_behaviour));
if (position)
SetNeighbours(position - 1);
SetNeighbours(position);
SetNeighbours(position + 1);
UpdateGeometry();
return true;
}