void ChangeParameters::undo() {
NodeItem *item = scene->findItem(id);
Q_ASSERT(item != 0);
item->getNode()->deinit();
item->restoreParameters(before);
SimulationParameters sp = scene->simulation->getSimulationParameters();
item->getNode()->init(sp.start + seconds(sp.dt), sp.stop, sp.dt);
item->updatePorts();
//scene->update();
scene->updateConnections(item);
}
void ChangeParameters::redo() {
if (first_redo) {
first_redo = false;
return;
}
NodeItem *item = scene->findItem(id);
Q_ASSERT(item != 0);
item->getNode()->deinit();
item->restoreParameters(after);
SimulationParameters sp = scene->simulation->getSimulationParameters();
item->getNode()->init(sp.start + seconds(sp.dt), sp.stop, sp.dt);
item->updatePorts();
//scene->update();
scene->updateConnections(item);
}
void DeleteNode::redo() {
NodeItem *item = scene->findItem(QString::fromStdString(node_id));
Q_ASSERT(item != 0);
scene->disconnect(item);
scene->node_items.remove(item->getId());
Node *n = item->getNode();
delete item;
scene->model->removeNode(n); //deletes n
}