code: public boolean getIsEditMode() {
  
          if (m_isEditMode == null) {
              m_isEditMode = Boolean.valueOf(CmsJspTagEditable.isEditableRequest(m_request));
          }
          return m_isEditMode.booleanValue();
      }
docs: Checks if the current request should be direct edit enabled.
  Online-, history-requests, previews and temporary files will not be editable.<p>
  
  @return <code>true</code> if the current request should be direct edit enabled