Function AbstractNav

app/src/static/js/react-bootstrap.js:13271–13325

()

  _inheritsLoose(AbstractNav, _React$Component);

  function AbstractNav() {
    var _this;

    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    _this = _React$Component.call.apply(_React$Component, [this].concat(args)) || this;

    _this.handleSelect = function (key, event) {
      var _this$props = _this.props,
          onSelect = _this$props.onSelect,
          parentOnSelect = _this$props.parentOnSelect;
      if (key == null) return;
      if (onSelect) onSelect(key, event);
      if (parentOnSelect) parentOnSelect(key, event);
    };

    _this.handleKeyDown = function (event) {
      var onKeyDown = _this.props.onKeyDown;
      if (onKeyDown) onKeyDown(event);
      var nextActiveChild;

      switch (event.key) {
        case 'ArrowLeft':
        case 'ArrowUp':
          nextActiveChild = _this.getNextActiveChild(-1);
          break;

        case 'ArrowRight':
        case 'ArrowDown':
          nextActiveChild = _this.getNextActiveChild(1);
          break;

        default:
          return;
      }

      if (!nextActiveChild) return;
      event.preventDefault();

      _this.handleSelect(nextActiveChild.dataset.rbEventKey, event);

      _this._needsRefocus = true;
    };

    _this.attachRef = function (ref) {
      _this.listNode = ref;
    };

    _this.state = {
      navContext: null
    };
    return _this;
  }

  AbstractNav.getDerivedStateFromProps = function getDerivedStateFromProps(_ref) {
    var activeKey = _ref.activeKey,