code: public void openSubView(String state, boolean updateState) {
  
          if (updateState) {
              CmsAppWorkplaceUi.get().changeCurrentAppState(state);
          }
          Component comp = getComponentForState(state);
          if (comp != null) {
              comp.setSizeFull();
              m_rootLayout.setMainContent(comp);
          } else {
              m_rootLayout.setMainContent(new Label("Malformed path, tool not available for path: " + state));
          }
          updateSubNav(getSubNavEntries(state));
          updateBreadCrumb(getBreadCrumbForState(state));
      }
docs: Opens the requested sub view.<p>
  
  @param state the state
  @param updateState <code>true</code> to update the state URL token