public List <Gate> GetSelectedGates()
{
List <Gate> selected = null;
if (_selectedItems.HasValue)
{
selected = new List <Gate>();
for (int i = _selectedItems.Value.BeginColumn; i <= _selectedItems.Value.EndColumn; i++)
{
for (int j = _selectedItems.Value.BeginRow; j <= _selectedItems.Value.EndRow; j++)
{
if ((_steps[i].Gates[j].Begin >= _selectedItems.Value.BeginRow) &&
(_steps[i].Gates[j].End <= _selectedItems.Value.EndRow))
{
Gate oldGate = _steps[i].Gates[j];
if (oldGate.Name != GateName.Empty)
{
selected.Add(oldGate.Copy(_selectedItems.Value.BeginRow));
}
j = oldGate.End;
}
}
}
if (selected.Count < 2)
{
throw new Exception("Too few gates selected. Composite gate can be created from at least 2 gates.");
}
}
else
{
throw new Exception("No items selected.");
}
return(selected);
}
private void CutCopy(bool cut)
{
if (_selectedItems.HasValue)
{
_clipboard = new List <List <Gate> >();
_clipboardSelection = new Selection(
0,
_selectedItems.Value.RowSpan - 1,
0,
_selectedItems.Value.ColumnSpan - 1);
for (int i = _selectedItems.Value.BeginColumn; i <= _selectedItems.Value.EndColumn; i++)
{
List <Gate> current = new List <Gate>();
_clipboard.Add(current);
for (int j = _selectedItems.Value.BeginRow; j <= _selectedItems.Value.EndRow; j++)
{
if ((_steps[i].Gates[j].Begin >= _selectedItems.Value.BeginRow) &&
(_steps[i].Gates[j].End <= _selectedItems.Value.EndRow))
{
Gate oldGate = _steps[i].Gates[j];
current.Add(oldGate.Copy(_selectedItems.Value.BeginRow));
if (cut && oldGate.Name != GateName.Empty)
{
for (; j <= oldGate.End; j++)
{
RegisterRefModel gateRef = GetRefFromOffset(j);
Gate newGate = new EmptyGate(gateRef);
_steps[i].SetGate(newGate);
}
}
j = oldGate.End;
}
}
}
}
}