Method moveScene

src/core/UBSceneCache.cpp:167–208

void UBSceneCache::moveScene(std::shared_ptr<UBDocumentProxy> proxy, int sourceIndex, int targetIndex)
{
    UBSceneCacheID keySource(proxy, sourceIndex);

    std::shared_ptr<SceneCacheEntry> entry;
    bool hasEntry = mSceneCache.contains(keySource);

    if (hasEntry)
    {
        entry = mSceneCache.value(keySource);
        mCachedKeyFIFO.removeAll(keySource);
    }

    if (sourceIndex < targetIndex)
    {
        for (int i = sourceIndex + 1; i <= targetIndex; i++)
        {
            internalMoveScene(proxy, i, i - 1);
        }
    }
    else
    {
        for (int i = sourceIndex - 1; i >= targetIndex; i--)
        {
            internalMoveScene(proxy, i, i + 1);
        }
    }

    UBSceneCacheID keyTarget(proxy, targetIndex);

    if (hasEntry)
    {
        insertEntry(keyTarget, entry);
        mCachedKeyFIFO.enqueue(keyTarget);
    }
    else if (mSceneCache.contains(keyTarget))
    {
        entry = mSceneCache.take(keyTarget);
        mCachedKeyFIFO.removeAll(keyTarget);
    }

}

void UBSceneCache::reassignDocProxy(std::shared_ptr<UBDocumentProxy> newDocument, std::shared_ptr<UBDocumentProxy> oldDocument)
{