Refactor of Qt Viewer: moved fragment loop to '_drawFragments' method.
Refactor of Qt Viewer: moved fragment loop to '_drawFragments' method.

daviddeng/azrael,daviddeng/azrael,olitheolix/azrael,olitheolix/azrael,olitheolix/azrael,daviddeng/azrael,olitheolix/azrael,daviddeng/azrael,olitheolix/azrael,daviddeng/azrael