code: private CmsGalleryTreeEntry lookForParent(CmsGalleryTreeEntry possibleParent, String targetPath) {
  
          if (targetPath.startsWith(possibleParent.getPath())) {
              return possibleParent;
          }
          if (possibleParent.getParent() != null) {
              return lookForParent(possibleParent.getParent(), targetPath);
          }
          return null;
      }
docs: Looks for an ancestor tree entry for the given path.<p>
  
  @param possibleParent the possible parent entry
  @param targetPath the target path
  
  @return the parent entry or <code>null</code> if there is none