private void Gates_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
Gate gate;
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
int addIndex = e.NewStartingIndex;
foreach (object item in e.NewItems)
{
gate = item as Gate;
if (gate != null)
{
RegisterRefModel gateRow = _model.GetRefFromOffset(addIndex);
Gates.Insert(addIndex, new GateVM(_model, gateRow, _column));
for (int i = addIndex + 1; i < _gates.Count; i++)
{
_gates[i].UpdateRow(i);
}
if (_gates.Count == 2)
{
_gates[0].UpdateDeleteRowCommand(true);
_gates[1].UpdateDeleteRowCommand(true);
}
}
}
break;
case NotifyCollectionChangedAction.Replace:
foreach (object item in e.NewItems)
{
gate = item as Gate;
for (int i = gate.Begin; i <= gate.End; i++)
{
Gates[i].Refresh();
}
}
break;
case NotifyCollectionChangedAction.Remove:
int oldRow = e.OldStartingIndex;
foreach (object item in e.OldItems)
{
if (item is Gate)
{
Gates.RemoveAt(oldRow);
for (int i = oldRow; i < _gates.Count; i++)
{
_gates[i].UpdateRow(i);
}
if (_gates.Count == 1)
{
_gates[0].UpdateDeleteRowCommand(false);
}
}
}
break;
}
OnPropertyChanged("ScaleCenterY");
}
