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