execute method

@override Future<bool?> execute(String caller, String propertyOrFunction, List arguments)

Implementation

@override
Future<bool?> execute(
    String caller, String propertyOrFunction, List<dynamic> arguments) async {
  /// setter
  if (scope == null) return null;
  var function = propertyOrFunction.toLowerCase().trim();

  switch (function) {

    case "open":
      // set the index
      if (parent is TabViewModel)
      {
        // set the parent index
        var index = (parent as TabViewModel).tabs.indexOf(this);
        (parent as TabViewModel).index = index;
      }
      return true;

  // close specified tab
    case "close":
    // set the index
      if (parent is TabViewModel)
      {
        (parent as TabViewModel).deleteTab(this);
      }
      return true;
  }

  return super.execute(caller, propertyOrFunction, arguments);
}