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 DeleteNode::undo() {
Node *node = scene->node_reg->createNode(node_class);
scene->model->addNode(node_id, node);
NodeItem *nitem = new NodeItem(node);
nitem->restoreParameters(parameters);
SimulationParameters sp = scene->simulation->getSimulationParameters();
node->init(sp.start + seconds(sp.dt), sp.stop, sp.dt);
nitem->updatePorts();
nitem->setPos(pos);
scene->add(nitem);
//scene->update();
}
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);
}