code: public void reload() {
  
          List<CmsModule> modules = OpenCms.getModuleManager().getAllInstalledModules();
          @SuppressWarnings("unchecked")
          BeanItemContainer<CmsModuleRow> container = (BeanItemContainer<CmsModuleRow>)getContainerDataSource();
          container.removeAllItems();
          List<CmsModuleRow> newRows = Lists.newArrayList();
          for (CmsModule module : modules) {
              CmsModuleRow row = new CmsModuleRow(module);
              newRows.add(row);
          }
          container.addAll(newRows);
          sort();
          updateCounter();
      }
docs: Reloads the table data.<p>