149 lines
3.5 KiB
C++
149 lines
3.5 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2020 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 "nodeviewundo.h"
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#include "project/item/sequence/sequence.h"
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#include "widget/timelinewidget/timelineundo.h"
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namespace olive {
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NodeEdgeAddCommand::NodeEdgeAddCommand(Node *output, NodeInput *input, int element) :
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output_(output),
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input_(input),
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element_(element),
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remove_command_(nullptr)
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{
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}
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NodeEdgeAddCommand::~NodeEdgeAddCommand()
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{
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delete remove_command_;
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}
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void NodeEdgeAddCommand::redo()
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{
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if (input_->IsConnected(element_)) {
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if (!remove_command_) {
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remove_command_ = new NodeEdgeRemoveCommand(input_->GetConnectedNode(element_),
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input_,
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element_);
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}
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remove_command_->redo();
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}
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Node::ConnectEdge(output_, input_, element_);
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}
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void NodeEdgeAddCommand::undo()
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{
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Node::DisconnectEdge(output_, input_, element_);
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if (remove_command_) {
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remove_command_->undo();
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}
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}
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Project *NodeEdgeAddCommand::GetRelevantProject() const
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{
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return output_->parent()->project();
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}
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NodeEdgeRemoveCommand::NodeEdgeRemoveCommand(Node *output, NodeInput *input, int element) :
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output_(output),
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input_(input),
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element_(element)
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{
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}
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void NodeEdgeRemoveCommand::redo()
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{
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Node::DisconnectEdge(output_, input_, element_);
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}
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void NodeEdgeRemoveCommand::undo()
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{
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Node::ConnectEdge(output_, input_, element_);
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}
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Project *NodeEdgeRemoveCommand::GetRelevantProject() const
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{
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return output_->parent()->project();
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}
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NodeAddCommand::NodeAddCommand(NodeGraph *graph, Node *node) :
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graph_(graph),
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node_(node)
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{
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// Ensures that when this command is destroyed, if redo() is never called again, the node will be destroyed too
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node_->setParent(&memory_manager_);
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}
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void NodeAddCommand::redo()
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{
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node_->setParent(graph_);
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}
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void NodeAddCommand::undo()
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{
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node_->setParent(&memory_manager_);
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}
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Project *NodeAddCommand::GetRelevantProject() const
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{
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return graph_->project();
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}
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NodeCopyInputsCommand::NodeCopyInputsCommand(Node *src, Node *dest, bool include_connections) :
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src_(src),
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dest_(dest),
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include_connections_(include_connections)
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{
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}
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void NodeCopyInputsCommand::redo()
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{
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Node::CopyInputs(src_, dest_, include_connections_);
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}
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void NodeRemoveAndDisconnectCommand::prep()
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{
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command_ = new MultiUndoCommand();
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// If this is a block, remove all links
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if (node_->HasLinks()) {
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command_->add_child(new NodeUnlinkAllCommand(node_));
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}
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// Disconnect everything
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foreach (const Node::InputConnection& conn, node_->edges()) {
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command_->add_child(new NodeEdgeRemoveCommand(node_, conn.input, conn.element));
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}
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foreach (NodeInput* input, node_->inputs()) {
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for (auto it=input->edges().cbegin(); it!=input->edges().cend(); it++) {
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command_->add_child(new NodeEdgeRemoveCommand(it->second, input, it->first));
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}
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}
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}
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}
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