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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 "nodeviewundo.h"
#include "project/item/sequence/sequence.h"
OLIVE_NAMESPACE_ENTER
NodeEdgeAddCommand::NodeEdgeAddCommand(NodeOutput *output, NodeInput *input, QUndoCommand *parent) :
UndoCommand(parent),
output_(output),
input_(input),
old_edge_(nullptr),
done_(false)
{
}
void NodeEdgeAddCommand::redo_internal()
{
if (done_) {
return;
}
old_edge_ = NodeParam::DisconnectForNewOutput(input_);
NodeParam::ConnectEdge(output_, input_);
done_ = true;
}
void NodeEdgeAddCommand::undo_internal()
{
if (!done_) {
return;
}
NodeParam::DisconnectEdge(output_, input_);
if (old_edge_ != nullptr) {
NodeParam::ConnectEdge(old_edge_->output(), old_edge_->input());
}
done_ = false;
}
Project *NodeEdgeAddCommand::GetRelevantProject() const
{
return static_cast<Sequence*>(output_->parentNode()->parent())->project();
}
NodeEdgeRemoveCommand::NodeEdgeRemoveCommand(NodeOutput *output, NodeInput *input, QUndoCommand *parent) :
UndoCommand(parent),
output_(output),
input_(input),
done_(false)
{
}
NodeEdgeRemoveCommand::NodeEdgeRemoveCommand(NodeEdgePtr edge, QUndoCommand *parent) :
UndoCommand(parent),
output_(edge->output()),
input_(edge->input()),
done_(false)
{
}
void NodeEdgeRemoveCommand::redo_internal()
{
if (done_) {
return;
}
NodeParam::DisconnectEdge(output_, input_);
done_ = true;
}
void NodeEdgeRemoveCommand::undo_internal()
{
if (!done_) {
return;
}
NodeParam::ConnectEdge(output_, input_);
done_ = false;
}
Project *NodeEdgeRemoveCommand::GetRelevantProject() const
{
return static_cast<Sequence*>(output_->parentNode()->parent())->project();
}
NodeAddCommand::NodeAddCommand(NodeGraph *graph, Node *node, QUndoCommand *parent) :
UndoCommand(parent),
graph_(graph),
node_(node)
{
// Ensures that when this command is destroyed, if redo() is never called again, the node will be destroyed too
node_->setParent(&memory_manager_);
}
void NodeAddCommand::redo_internal()
{
graph_->AddNode(node_);
}
void NodeAddCommand::undo_internal()
{
graph_->TakeNode(node_, &memory_manager_);
}
Project *NodeAddCommand::GetRelevantProject() const
{
return static_cast<Sequence*>(graph_)->project();
}
NodeRemoveCommand::NodeRemoveCommand(NodeGraph *graph, const QList<Node *> &nodes, QUndoCommand *parent) :
UndoCommand(parent),
graph_(graph),
nodes_(nodes)
{
}
void NodeRemoveCommand::redo_internal()
{
// Cache edges for undoing
foreach (Node* n, nodes_) {
foreach (NodeParam* param, n->parameters()) {
foreach (NodeEdgePtr edge, param->edges()) {
// Ensures the same edge isn't added twice (prevents double connecting when undoing)
if (!edges_.contains(edge)) {
edges_.append(edge);
}
}
}
}
// Take nodes from graph (TakeNode() will automatically disconnect edges)
foreach (Node* n, nodes_) {
graph_->TakeNode(n, &memory_manager_);
}
}
void NodeRemoveCommand::undo_internal()
{
// Re-add nodes to graph
foreach (Node* n, nodes_) {
graph_->AddNode(n);
}
// Re-connect edges
foreach (NodeEdgePtr edge, edges_) {
NodeParam::ConnectEdge(edge->output(), edge->input());
}
edges_.clear();
}
Project *NodeRemoveCommand::GetRelevantProject() const
{
return static_cast<Sequence*>(graph_)->project();
}
NodeRemoveWithExclusiveDeps::NodeRemoveWithExclusiveDeps(NodeGraph *graph, Node *node, QUndoCommand *parent) :
UndoCommand(parent)
{
QList<Node*> node_and_its_deps;
node_and_its_deps.append(node);
node_and_its_deps.append(node->GetExclusiveDependencies());
remove_command_ = new NodeRemoveCommand(graph, node_and_its_deps, this);
}
Project *NodeRemoveWithExclusiveDeps::GetRelevantProject() const
{
return remove_command_->GetRelevantProject();
}
NodeCopyInputsCommand::NodeCopyInputsCommand(Node *src, Node *dest, bool include_connections, QUndoCommand *parent) :
QUndoCommand(parent),
src_(src),
dest_(dest),
include_connections_(include_connections)
{
}
NodeCopyInputsCommand::NodeCopyInputsCommand(Node *src, Node *dest, QUndoCommand *parent) :
QUndoCommand(parent),
src_(src),
dest_(dest),
include_connections_(true)
{
}
void NodeCopyInputsCommand::redo()
{
Node::CopyInputs(src_, dest_, include_connections_);
}
OLIVE_NAMESPACE_EXIT
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