code: @UiHandler("m_newButton")
      void onClickNew(ClickEvent e) {
  
          String aliasPath = m_newAliasPath.getText();
          String resourcePath = m_newResourcePath.getText();
          m_controller.editNewAlias(aliasPath, resourcePath, CmsAliasMode.valueOf(m_newMode.getFormValueAsString()));
      }
docs: The click handler for the 'New' button.<p>
  
  @param e the click event