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/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#include "graph.h"
OLIVE_NAMESPACE_ENTER
void NodeGraph::Clear()
{
foreach (Node* node, node_children_) {
delete node;
}
node_children_.clear();
}
void NodeGraph::AddNode(Node *node)
{
if (ContainsNode(node)) {
return;
}
node->setParent(this);
connect(node, &Node::EdgeAdded, this, &NodeGraph::EdgeAdded);
connect(node, &Node::EdgeRemoved, this, &NodeGraph::EdgeRemoved);
node_children_.append(node);
emit NodeAdded(node);
}
void NodeGraph::TakeNode(Node *node, QObject* new_parent)
{
if (!ContainsNode(node)) {
return;
}
if (!node->CanBeDeleted()) {
qWarning() << "Tried to delete a Node that's been flagged as not deletable";
return;
}
node->DisconnectAll();
disconnect(node, &Node::EdgeAdded, this, &NodeGraph::EdgeAdded);
disconnect(node, &Node::EdgeRemoved, this, &NodeGraph::EdgeRemoved);
node->setParent(new_parent);
node_children_.removeAll(node);
emit NodeRemoved(node);
}
const QList<Node *> &NodeGraph::nodes() const
{
return node_children_;
}
bool NodeGraph::ContainsNode(Node *n) const
{
return (n->parent() == this);
}
OLIVE_NAMESPACE_EXIT
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