inline QList<BoxItem*> getBlockItems() { return blockItems; }
inline QList<ConnectionItem*> getConnectionItems() { return connectionItems; }
inline QList<GroupScene*> getChildrenScene() { return childrenScene; }
inline QList<BoxItem*> getBlockItems() { return blockItems; }
inline QList<ConnectionItem*> getConnectionItems() { return connectionItems; }
inline QList<GroupScene*> getChildrenScene() { return childrenScene; }