Method duplicateSelection

hi_scripting/scripting/api/ScriptingApiContent.cpp:7915–8008

}

void ScriptingApi::Content::Helpers::duplicateSelection(Content* c, ReferenceCountedArray<ScriptComponent> selection, int deltaX, int deltaY, UndoManager* undoManager)
{
	Array<Identifier> newIds;
	newIds.ensureStorageAllocated(selection.size());

	Array<var> duplicationValues;
	duplicationValues.ensureStorageAllocated(selection.size());

	for (auto b : selection)
		duplicationValues.add(b->getValue());

	static const Identifier x("x");
	static const Identifier y("y");

	ValueTreeUpdateWatcher::ScopedDelayer sd(c->getUpdateWatcher());

	for (auto sc : selection)
	{
		int newX = sc->getPosition().getX() + deltaX;
		int newY = sc->getPosition().getY() + deltaY;

		

		auto cTree = c->getValueTreeForComponent(sc->name);

		ValueTree sibling = cTree.createCopy();
		
		sibling.setProperty(x, newX, undoManager);
		sibling.setProperty(y, newY, undoManager);

		

		cTree.getParent().addChild(sibling, -1, undoManager);

		auto tmp = &newIds;

		auto setUniqueId = [c, undoManager, tmp](ValueTree& v)
		{
			auto newId = getUniqueIdentifier(c, v.getProperty("id"));

			tmp->add(newId);

			v.setProperty("id", newId.toString(), undoManager);
			return true;
		};

		callRecursive(sibling, setUniqueId);

		auto updateParentComponentId = [c, undoManager](ValueTree& v)
		{
			auto pId = v.getParent().getProperty("id");

			if (pId.isUndefined())
			{
				jassertfalse;
				return false;
			}