itsmattkc
81c1922911
This makes the node system somewhat more high-level with the intent of making working with them far more flexible and stable. By making the architecture more abstracted, it becomes far less rigid which should allow us to do even more with it and make it much less crash prone.
143 lines
3.2 KiB
C++
143 lines
3.2 KiB
C++
/***
|
|
|
|
Olive - Non-Linear Video Editor
|
|
Copyright (C) 2020 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"
|
|
#include "widget/timelinewidget/timelineundo.h"
|
|
|
|
namespace olive {
|
|
|
|
NodeEdgeAddCommand::NodeEdgeAddCommand(const NodeOutput &output, const NodeInput &input) :
|
|
output_(output),
|
|
input_(input),
|
|
remove_command_(nullptr)
|
|
{
|
|
}
|
|
|
|
NodeEdgeAddCommand::~NodeEdgeAddCommand()
|
|
{
|
|
delete remove_command_;
|
|
}
|
|
|
|
void NodeEdgeAddCommand::redo()
|
|
{
|
|
if (input_.IsConnected()) {
|
|
if (!remove_command_) {
|
|
remove_command_ = new NodeEdgeRemoveCommand(input_.GetConnectedOutput(), input_);
|
|
}
|
|
|
|
remove_command_->redo();
|
|
}
|
|
|
|
Node::ConnectEdge(output_, input_);
|
|
}
|
|
|
|
void NodeEdgeAddCommand::undo()
|
|
{
|
|
Node::DisconnectEdge(output_, input_);
|
|
|
|
if (remove_command_) {
|
|
remove_command_->undo();
|
|
}
|
|
}
|
|
|
|
Project *NodeEdgeAddCommand::GetRelevantProject() const
|
|
{
|
|
return output_.node()->parent()->project();
|
|
}
|
|
|
|
NodeEdgeRemoveCommand::NodeEdgeRemoveCommand(const NodeOutput &output, const NodeInput &input) :
|
|
output_(output),
|
|
input_(input)
|
|
{
|
|
}
|
|
|
|
void NodeEdgeRemoveCommand::redo()
|
|
{
|
|
Node::DisconnectEdge(output_, input_);
|
|
}
|
|
|
|
void NodeEdgeRemoveCommand::undo()
|
|
{
|
|
Node::ConnectEdge(output_, input_);
|
|
}
|
|
|
|
Project *NodeEdgeRemoveCommand::GetRelevantProject() const
|
|
{
|
|
return output_.node()->parent()->project();
|
|
}
|
|
|
|
NodeAddCommand::NodeAddCommand(NodeGraph *graph, Node *node) :
|
|
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()
|
|
{
|
|
node_->setParent(graph_);
|
|
}
|
|
|
|
void NodeAddCommand::undo()
|
|
{
|
|
node_->setParent(&memory_manager_);
|
|
}
|
|
|
|
Project *NodeAddCommand::GetRelevantProject() const
|
|
{
|
|
return graph_->project();
|
|
}
|
|
|
|
NodeCopyInputsCommand::NodeCopyInputsCommand(Node *src, Node *dest, bool include_connections) :
|
|
src_(src),
|
|
dest_(dest),
|
|
include_connections_(include_connections)
|
|
{
|
|
}
|
|
|
|
void NodeCopyInputsCommand::redo()
|
|
{
|
|
Node::CopyInputs(src_, dest_, include_connections_);
|
|
}
|
|
|
|
void NodeRemoveAndDisconnectCommand::prep()
|
|
{
|
|
command_ = new MultiUndoCommand();
|
|
|
|
// If this is a block, remove all links
|
|
if (node_->HasLinks()) {
|
|
command_->add_child(new NodeUnlinkAllCommand(node_));
|
|
}
|
|
|
|
// Disconnect everything
|
|
for (auto it=node_->input_connections().cbegin(); it!=node_->input_connections().cend(); it++) {
|
|
command_->add_child(new NodeEdgeRemoveCommand(it->second, it->first));
|
|
}
|
|
|
|
for (const Node::OutputConnection& conn : node_->output_connections()) {
|
|
command_->add_child(new NodeEdgeRemoveCommand(conn.first, conn.second));
|
|
}
|
|
}
|
|
|
|
}
|