code: @Nonnull
    public HCNodeList createSelectedFileEdit (@Nullable final String sPlaceholder)
    {
      final HCEdit aEdit = new HCEdit ().setPlaceholder (sPlaceholder).setReadOnly (true);
      final HCScriptInline aScript = new HCScriptInline (JQuery.idRef (m_aEdit)
                                                               .on ("change",
                                                                    new JSAnonymousFunction (JQuery.idRef (aEdit)
                                                                                                   .val (JSExpr.THIS.ref ("value")))));
      return new HCNodeList ().addChildren (aEdit, aScript);
    }
docs: Create a read only edit that contains the value of the selected file. It
  can be placed anywhere in the DOM.
  
  @param sPlaceholder
  The placeholder text to be used if no file is selected.
  @return A node list with the edit and a JavaScript