code: protected void setShowAllTypes(boolean showAllTypes) {
  
          m_typeListMode.setValue(showAllTypes ? null : I_CmsLayoutBundle.INSTANCE.galleryDialogCss().typesImportant());
          m_tabHandler.updateSize();
      }
docs: Enables/disables full type list mode.<p>
  
  @param showAllTypes true if all types should be shown