public void Execute()
{
if (_mainModel.Elements.Contains(_elementToRemove))
{
//removing connections of a Element
foreach (ConnectorModel connectorModel in _elementToRemove.Connectors)
{
for (int i = connectorModel.ConnectionModels.Count - 1; i >= 0; i--)
{
if (connectorModel.ConnectionModels[i] is ConnectionModel connectionModel)
{
RemoveConnectionCommand removeConnectionCommand =
new RemoveConnectionCommand(connectionModel, _mainModel);
removeConnectionCommand.Execute();
_mainModel.MyCommandManager.AddToList(removeConnectionCommand);
}
}
}
_elementToRemove.MainModelCommandManager = null;
_mainModel.Elements.Remove(_elementToRemove);
}
}
public void Undo()
{
RemoveConnectionCommand removeConnectionCommand = new RemoveConnectionCommand(_connectionToAdd, _mainModel);
removeConnectionCommand.Execute();
}