Files
oak-editor/app/node/group/group.cpp
T
2021-11-24 17:58:48 -08:00

178 lines
3.7 KiB
C++

/***
Olive - Non-Linear Video Editor
Copyright (C) 2021 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 "group.h"
#include "node/graph.h"
namespace olive {
NodeGroup::NodeGroup() :
output_passthrough_(nullptr)
{
graph_ = new NodeGraph();
graph_->setParent(this);
}
QString NodeGroup::Name() const
{
if (custom_name_.isEmpty()) {
return tr("Group");
} else {
return custom_name_;
}
}
QString NodeGroup::id() const
{
return QStringLiteral("org.olivevideoeditor.Olive.group");
}
QVector<Node::CategoryID> NodeGroup::Category() const
{
return {kCategoryGeneral};
}
QString NodeGroup::Description() const
{
return tr("A group of nodes that is represented as a single node.");
}
void NodeGroup::Retranslate()
{
foreach (Node *n, graph_->nodes()) {
n->Retranslate();
}
}
void NodeGroup::AddNode(Node *node)
{
node->setParent(graph_);
}
void NodeGroup::RemoveNode(Node *node, QObject *new_parent)
{
if (node->parent() == graph_) {
node->setParent(new_parent);
}
}
void NodeGroup::AddInputPassthrough(const NodeInput &input)
{
Q_ASSERT(graph_->nodes().contains(input.node()));
for (auto it=input_passthroughs_.cbegin(); it!=input_passthroughs_.cend(); it++) {
if (it.value() == input) {
// Already passing this input through
return;
}
}
// Add input
QString id = GetGroupInputIDFromInput(input);
AddInput(id, input.GetDataType(), input.GetDefaultValue(), input.GetFlags());
input_passthroughs_.insert(id, input);
}
void NodeGroup::RemoveInputPassthrough(const NodeInput &input)
{
for (auto it=input_passthroughs_.cbegin(); it!=input_passthroughs_.cend(); it++) {
if (it.value() == input) {
RemoveInput(it.key());
input_passthroughs_.erase(it);
break;
}
}
}
void NodeGroup::SetOutputPassthrough(Node *node)
{
Q_ASSERT(graph_->nodes().contains(node));
output_passthrough_ = node;
}
QString NodeGroup::GetGroupInputIDFromInput(const NodeInput &input)
{
QCryptographicHash hash(QCryptographicHash::Sha1);
hash.addData(input.node()->GetUUID().toByteArray());
hash.addData(input.input().toUtf8());
hash.addData((const char*) &input.element(), sizeof(input.element()));
return QString::fromLatin1(hash.result().toHex());
}
bool NodeGroup::ContainsInputPassthrough(const NodeInput &input) const
{
for (auto it=input_passthroughs_.cbegin(); it!=input_passthroughs_.cend(); it++) {
if (it.value() == input) {
return true;
}
}
return false;
}
void NodeAddToGroupCommand::redo()
{
previous_parent_ = node_->parent();
group_->AddNode(node_);
}
void NodeAddToGroupCommand::undo()
{
group_->RemoveNode(node_, previous_parent_);
}
void NodeGroupSetCustomNameCommand::redo()
{
old_name_ = group_->GetCustomName();
group_->SetCustomName(new_name_);
}
void NodeGroupSetCustomNameCommand::undo()
{
group_->SetCustomName(old_name_);
}
void NodeGroupAddInputPassthrough::redo()
{
if (!group_->ContainsInputPassthrough(input_)) {
group_->AddInputPassthrough(input_);
actually_added_ = true;
} else {
actually_added_ = false;
}
}
void NodeGroupAddInputPassthrough::undo()
{
if (actually_added_) {
group_->RemoveInputPassthrough(input_);
}
}
}