UnicornEnums::ItemType
DragMimeData::itemType() const
{
if (hasFormat("item/type"))
return (UnicornEnums::ItemType) QString::fromUtf8(data("item/type")).toInt();
if (hasFormat("item/track"))
return UnicornEnums::ItemTrack;
if (hasFormat("item/album"))
return UnicornEnums::ItemAlbum;
if (hasFormat("item/artist")) //leave last as album and track have this data too
return UnicornEnums::ItemArtist;
return UnicornEnums::ItemUnknown;
}
void pasteItem(QStandardItemModel *model, QStandardItem *item)
{
auto mime = qApp->clipboard()->mimeData();
if (mime->hasFormat(itemMimeType)) {
auto newItem = new BrushPresetItem();
{
auto data = mime->data(itemMimeType);
QDataStream stream(&data, QIODevice::ReadOnly);
int count;
stream >> count;
newItem->read(stream);
}
addItems(model, item, {newItem});
}
void GraphEditor::updateEnabledActions(void)
{
if (not this->isVisible()) return;
getActionMap()["undo"]->setEnabled(_stateManager->isPreviousAvailable());
getActionMap()["redo"]->setEnabled(_stateManager->isSubsequentAvailable());
getActionMap()["save"]->setEnabled(not _stateManager->isCurrentSaved());
getActionMap()["reload"]->setEnabled(not this->getCurrentFilePath().isEmpty());
getActionMap()["activateTopology"]->setChecked(_isTopologyActive);
//can we paste something from the clipboard?
auto mimeData = QApplication::clipboard()->mimeData();
const bool canPaste = mimeData->hasFormat("text/json/pothos_object_array") and
not mimeData->data("text/json/pothos_object_array").isEmpty();
getActionMap()["paste"]->setEnabled(canPaste);
//update window title
QString subtext = this->getCurrentFilePath();
if (subtext.isEmpty()) subtext = tr("untitled");
emit this->newTitleSubtext(tr("Editing ") + subtext);
}
void Viewport::onPaste()
{
auto data = QApplication::clipboard()->mimeData();
if (data->hasFormat("sb::viewport"))
{
auto g = App::instance()->getGraph();
const uint64_t new_uid = g->getUIDs(1).front();
// Update this node's UID and store the change in uid_map
auto n = QJsonDocument::fromJson(
data->data("sb::viewport")).object();
n["uid"] = int(new_uid);
auto name = n["name"].toString();
if (!g->isNameUnique(name.toStdString()))
{
// Trim trailing numbers from the node's name
while (name.at(name.size() - 1).isNumber())
name = name.left(name.size() - 1);
if (name.isEmpty())
name = "n";
// Then use the remaining string as a prefix
n["name"] = QString::fromStdString(g->nextName(name.toStdString()));
}
// Deserialize this node
SceneDeserializer::Info ds;
SceneDeserializer::deserializeNode(n, g, &ds);
// Update the inspector positions by shifting a bit down and over
for (auto& i : ds.inspectors)
i += QPointF(10, 10);
App::instance()->getGraphScene()->setInspectorPositions(ds.inspectors);
App::instance()->pushStack(
new UndoAddNodeCommand(g->childNodes().back(), "'paste'"));
}
}
void GraphEditor::handlePaste(void)
{
if (not this->isVisible()) return;
auto draw = this->getCurrentGraphDraw();
auto mimeData = QApplication::clipboard()->mimeData();
const bool canPaste = mimeData->hasFormat("text/json/pothos_object_array") and
not mimeData->data("text/json/pothos_object_array").isEmpty();
if (not canPaste) return;
//extract object array
const auto data = mimeData->data("text/json/pothos_object_array");
const std::string dataStr(data.constData(), data.size());
std::istringstream iss(dataStr);
Poco::JSON::Parser p; p.parse(iss);
auto graphObjects = p.getHandler()->asVar().extract<Poco::JSON::Array::Ptr>();
assert(graphObjects);
//rewrite ids
std::map<std::string, std::string> oldIdToNew;
for (size_t objIndex = 0; objIndex < graphObjects->size(); objIndex++)
{
const auto jGraphObj = graphObjects->getObject(objIndex);
auto oldId = jGraphObj->getValue<std::string>("id");
oldIdToNew[oldId] = this->newId(QString::fromStdString(oldId)).toStdString();
}
for (size_t objIndex = 0; objIndex < graphObjects->size();)
{
for (auto &pair : *graphObjects->getObject(objIndex))
{
if (QString::fromStdString(pair.first).endsWith("id", Qt::CaseInsensitive))
{
//if not in oldIdToNew, remove from list
if (oldIdToNew.count(pair.second) == 0)
{
graphObjects->remove(objIndex);
goto nextObj;
}
pair.second = oldIdToNew[pair.second];
}
}
objIndex++;
nextObj: continue;
}
//unselect all objects
draw->deselectAllObjs();
//create objects
GraphObjectList objsToMove;
objsToMove.append(handlePasteType(draw, graphObjects, "Block"));
objsToMove.append(handlePasteType(draw, graphObjects, "Breaker"));
handlePasteType(draw, graphObjects, "Connection"); //dont append, connection position doesnt matter
objsToMove.append(handlePasteType(draw, graphObjects, "Widget"));
//deal with initial positions of pasted objects
QPointF cornerest(1e6, 1e6);
for (auto obj : objsToMove)
{
cornerest.setX(std::min(cornerest.x(), obj->pos().x()));
cornerest.setY(std::min(cornerest.y(), obj->pos().y()));
}
//determine an acceptable position to center the paste
auto view = dynamic_cast<QGraphicsView *>(this->currentWidget());
auto pastePos = view->mapToScene(view->mapFromGlobal(QCursor::pos()));
if (not view->sceneRect().contains(pastePos))
{
pastePos = view->mapToScene(this->size().width()/2, this->size().height()/2);
}
//move objects into position
for (auto obj : objsToMove) obj->setPos(obj->pos()-cornerest+pastePos);
handleStateChange(GraphState("edit-paste", tr("Paste %1").arg(draw->getSelectionDescription())));
}