void undo() {
if (_undoStack.empty()) {
rMessage() << "Undo: no undo available" << std::endl;
}
else {
Operation* operation = _undoStack.back();
rMessage() << "Undo: " << operation->_command << std::endl;
startRedo();
trackersUndo();
operation->_snapshot.restore();
finishRedo(operation->_command.c_str());
_undoStack.pop_back();
for (Observers::iterator i = _observers.begin(); i != _observers.end(); /* in-loop */) {
Observer* observer = *(i++);
observer->postUndo();
}
// Trigger the onPostUndo event on all scene nodes
PostUndoWalker walker;
GlobalSceneGraph().root()->traverse(walker);
GlobalSceneGraph().sceneChanged();
}
}
void undo(){
if ( m_undo_stack.empty() ) {
globalOutputStream() << "Undo: no undo available\n";
}
else
{
Operation* operation = m_undo_stack.back();
globalOutputStream() << "Undo: " << operation->m_command.c_str() << "\n";
startRedo();
trackersUndo();
operation->m_snapshot.restore();
finishRedo( operation->m_command.c_str() );
m_undo_stack.pop_back();
}
}