code: @SuppressWarnings("serial")
      private Button createSaveButton() {
  
          Button saveBtn = CmsToolBar.createButton(FontOpenCms.SAVE, m_messages.key(Messages.GUI_BUTTON_SAVE_0));
          saveBtn.addClickListener(new ClickListener() {
  
              public void buttonClick(ClickEvent event) {
  
                  saveAction();
              }
  
          });
          saveBtn.setEnabled(false);
          return saveBtn;
      }
docs: Creates the save button UI Component.
  @return the save button.