text: 'use strict';
  
  exports.__esModule = true;
  
  var _extends3 = require('babel-runtime/helpers/extends');
  
  var _extends4 = _interopRequireDefault(_extends3);
  
  var _objectWithoutProperties2 = require('babel-runtime/helpers/objectWithoutProperties');
  
  var _objectWithoutProperties3 = _interopRequireDefault(_objectWithoutProperties2);
  
  var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
  
  var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
  
  var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');
  
  var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);
  
  var _inherits2 = require('babel-runtime/helpers/inherits');
  
  var _inherits3 = _interopRequireDefault(_inherits2);
  
  var _classnames = require('classnames');
  
  var _classnames2 = _interopRequireDefault(_classnames);
  
  var _keycode = require('keycode');
  
  var _keycode2 = _interopRequireDefault(_keycode);
  
  var _react = require('react');
  
  var _react2 = _interopRequireDefault(_react);
  
  var _propTypes = require('prop-types');
  
  var _propTypes2 = _interopRequireDefault(_propTypes);
  
  var _reactDom = require('react-dom');
  
  var _reactDom2 = _interopRequireDefault(_reactDom);
  
  var _all = require('prop-types-extra/lib/all');
  
  var _all2 = _interopRequireDefault(_all);
  
  var _warning = require('warning');
  
  var _warning2 = _interopRequireDefault(_warning);
  
  var _bootstrapUtils = require('./utils/bootstrapUtils');
  
  var _createChainedFunction = require('./utils/createChainedFunction');
  
  var _createChainedFunction2 = _interopRequireDefault(_createChainedFunction);
  
  var _ValidComponentChildren = require('./utils/ValidComponentChildren');
  
  var _ValidComponentChildren2 = _interopRequireDefault(_ValidComponentChildren);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  // TODO: Should we expose `<NavItem>` as `<Nav.Item>`?
  
  // TODO: This `bsStyle` is very unlike the others. Should we rename it?
  
  // TODO: `pullRight` and `pullLeft` don't render right outside of `navbar`.
  // Consider renaming or replacing them.
  
  var propTypes = {
    /**
     * Marks the NavItem with a matching `eventKey` as active. Has a
     * higher precedence over `activeHref`.
     */
    activeKey: _propTypes2.default.any,
  
    /**
     * Marks the child NavItem with a matching `href` prop as active.
     */
    activeHref: _propTypes2.default.string,
  
    /**
     * NavItems are be positioned vertically.
     */
    stacked: _propTypes2.default.bool,
  
    justified: (0, _all2.default)(_propTypes2.default.bool, function (_ref) {
      var justified = _ref.justified,
          navbar = _ref.navbar;
      return justified && navbar ? Error('justified navbar `Nav`s are not supported') : null;
    }),
  
    /**
     * A callback fired when a NavItem is selected.
     *
     * ```js
     * function (
     *  Any eventKey,
     *  SyntheticEvent event?
     * )
     * ```
     */
    onSelect: _propTypes2.default.func,
  
    /**
     * ARIA role for the Nav, in the context of a TabContainer, the default will
     * be set to "tablist", but can be overridden by the Nav when set explicitly.
     *
     * When the role is set to "tablist" NavItem focus is managed according to
     * the ARIA authoring practices for tabs:
     * https://www.w3.org/TR/2013/WD-wai-aria-practices-20130307/#tabpanel
     */
    role: _propTypes2.default.string,
  
    /**
     * Apply styling an alignment for use in a Navbar. This prop will be set
     * automatically when the Nav is used inside a Navbar.
     */
    navbar: _propTypes2.default.bool,
  
    /**
     * Float the Nav to the right. When `navbar` is `true` the appropriate
     * contextual classes are added as well.
     */
    pullRight: _propTypes2.default.bool,
  
    /**
     * Float the Nav to the left. When `navbar` is `true` the appropriate
     * contextual classes are added as well.
     */
    pullLeft: _propTypes2.default.bool
  };
  
  var defaultProps = {
    justified: false,
    pullRight: false,
    pullLeft: false,
    stacked: false
  };
  
  var contextTypes = {
    $bs_navbar: _propTypes2.default.shape({
      bsClass: _propTypes2.default.string,
      onSelect: _propTypes2.default.func
    }),
  
    $bs_tabContainer: _propTypes2.default.shape({
      activeKey: _propTypes2.default.any,
      onSelect: _propTypes2.default.func.isRequired,
      getTabId: _propTypes2.default.func.isRequired,
      getPaneId: _propTypes2.default.func.isRequired
    })
  };
  
  var Nav = function (_React$Component) {
    (0, _inherits3.default)(Nav, _React$Component);
  
    function Nav() {
      (0, _classCallCheck3.default)(this, Nav);
      return (0, _possibleConstructorReturn3.default)(this, _React$Component.apply(this, arguments));
    }
  
    Nav.prototype.componentDidUpdate = function componentDidUpdate() {
      var _this2 = this;
  
      if (!this._needsRefocus) {
        return;
      }
  
      this._needsRefocus = false;
  
      var children = this.props.children;
  
      var _getActiveProps = this.getActiveProps(),
          activeKey = _getActiveProps.activeKey,
          activeHref = _getActiveProps.activeHref;
  
      var activeChild = _ValidComponentChildren2.default.find(children, function (child) {
        return _this2.isActive(child, activeKey, activeHref);
      });
  
      var childrenArray = _ValidComponentChildren2.default.toArray(children);
      var activeChildIndex = childrenArray.indexOf(activeChild);
  
      var childNodes = _reactDom2.default.findDOMNode(this).children;
      var activeNode = childNodes && childNodes[activeChildIndex];
  
      if (!activeNode || !activeNode.firstChild) {
        return;
      }
  
      activeNode.firstChild.focus();
    };
  
    Nav.prototype.getActiveProps = function getActiveProps() {
      var tabContainer = this.context.$bs_tabContainer;
  
      if (tabContainer) {
        process.env.NODE_ENV !== 'production' ? (0, _warning2.default)(this.props.activeKey == null && !this.props.activeHref, 'Specifying a `<Nav>` `activeKey` or `activeHref` in the context of ' + 'a `<TabContainer>` is not supported. Instead use `<TabContainer ' + ('activeKey={' + this.props.activeKey + '} />`.')) : void 0;
  
        return tabContainer;
      }
  
      return this.props;
    };
  
    Nav.prototype.getNextActiveChild = function getNextActiveChild(offset) {
      var _this3 = this;
  
      var children = this.props.children;
  
      var validChildren = children.filter(function (child) {
        return child.props.eventKey != null && !child.props.disabled;
      });
  
      var _getActiveProps2 = this.getActiveProps(),
          activeKey = _getActiveProps2.activeKey,
          activeHref = _getActiveProps2.activeHref;
  
      var activeChild = _ValidComponentChildren2.default.find(children, function (child) {
        return _this3.isActive(child, activeKey, activeHref);
      });
  
      // This assumes the active child is not disabled.
      var activeChildIndex = validChildren.indexOf(activeChild);
      if (activeChildIndex === -1) {
        // Something has gone wrong. Select the first valid child we can find.
        return validChildren[0];
      }
  
      var nextIndex = activeChildIndex + offset;
      var numValidChildren = validChildren.length;
  
      if (nextIndex >= numValidChildren) {
        nextIndex = 0;
      } else if (nextIndex < 0) {
        nextIndex = numValidChildren - 1;
      }
  
      return validChildren[nextIndex];
    };
  
    Nav.prototype.getTabProps = function getTabProps(child, tabContainer, navRole, active, onSelect) {
      var _this4 = this;
  
      if (!tabContainer && navRole !== 'tablist') {
        // No tab props here.
        return null;
      }
  
      var _child$props = child.props,
          id = _child$props.id,
          controls = _child$props['aria-controls'],
          eventKey = _child$props.eventKey,
          role = _child$props.role,
          onKeyDown = _child$props.onKeyDown,
          tabIndex = _child$props.tabIndex;
  
  
      if (tabContainer) {
        process.env.NODE_ENV !== 'production' ? (0, _warning2.default)(!id && !controls, 'In the context of a `<TabContainer>`, `<NavItem>`s are given ' + 'generated `id` and `aria-controls` attributes for the sake of ' + 'proper component accessibility. Any provided ones will be ignored. ' + 'To control these attributes directly, provide a `generateChildId` ' + 'prop to the parent `<TabContainer>`.') : void 0;
  
        id = tabContainer.getTabId(eventKey);
        controls = tabContainer.getPaneId(eventKey);
      }
  
      if (navRole === 'tablist') {
        role = role || 'tab';
        onKeyDown = (0, _createChainedFunction2.default)(function (event) {
          return _this4.handleTabKeyDown(onSelect, event);
        }, onKeyDown);
        tabIndex = active ? tabIndex : -1;
      }
  
      return {
        id: id,
        role: role,
        onKeyDown: onKeyDown,
        'aria-controls': controls,
        tabIndex: tabIndex
      };
    };
  
    Nav.prototype.handleTabKeyDown = function handleTabKeyDown(onSelect, event) {
      var nextActiveChild = void 0;
  
      switch (event.keyCode) {
        case _keycode2.default.codes.left:
        case _keycode2.default.codes.up:
          nextActiveChild = this.getNextActiveChild(-1);
          break;
        case _keycode2.default.codes.right:
        case _keycode2.default.codes.down:
          nextActiveChild = this.getNextActiveChild(1);
          break;
        default:
          // It was a different key; don't handle this keypress.
          return;
      }
  
      event.preventDefault();
  
      if (onSelect && nextActiveChild && nextActiveChild.props.eventKey != null) {
        onSelect(nextActiveChild.props.eventKey);
      }
  
      this._needsRefocus = true;
    };
  
    Nav.prototype.isActive = function isActive(_ref2, activeKey, activeHref) {
      var props = _ref2.props;
  
      if (props.active || activeKey != null && props.eventKey === activeKey || activeHref && props.href === activeHref) {
        return true;
      }
  
      return props.active;
    };
  
    Nav.prototype.render = function render() {
      var _extends2,
          _this5 = this;
  
      var _props = this.props,
          stacked = _props.stacked,
          justified = _props.justified,
          onSelect = _props.onSelect,
          propsRole = _props.role,
          propsNavbar = _props.navbar,
          pullRight = _props.pullRight,
          pullLeft = _props.pullLeft,
          className = _props.className,
          children = _props.children,
          props = (0, _objectWithoutProperties3.default)(_props, ['stacked', 'justified', 'onSelect', 'role', 'navbar', 'pullRight', 'pullLeft', 'className', 'children']);
  
  
      var tabContainer = this.context.$bs_tabContainer;
      var role = propsRole || (tabContainer ? 'tablist' : null);
  
      var _getActiveProps3 = this.getActiveProps(),
          activeKey = _getActiveProps3.activeKey,
          activeHref = _getActiveProps3.activeHref;
  
      delete props.activeKey; // Accessed via this.getActiveProps().
      delete props.activeHref; // Accessed via this.getActiveProps().
  
      var _splitBsProps = (0, _bootstrapUtils.splitBsProps)(props),
          bsProps = _splitBsProps[0],
          elementProps = _splitBsProps[1];
  
      var classes = (0, _extends4.default)({}, (0, _bootstrapUtils.getClassSet)(bsProps), (_extends2 = {}, _extends2[(0, _bootstrapUtils.prefix)(bsProps, 'stacked')] = stacked, _extends2[(0, _bootstrapUtils.prefix)(bsProps, 'justified')] = justified, _extends2));
  
      var navbar = propsNavbar != null ? propsNavbar : this.context.$bs_navbar;
      var pullLeftClassName = void 0;
      var pullRightClassName = void 0;
  
      if (navbar) {
        var navbarProps = this.context.$bs_navbar || { bsClass: 'navbar' };
  
        classes[(0, _bootstrapUtils.prefix)(navbarProps, 'nav')] = true;
  
        pullRightClassName = (0, _bootstrapUtils.prefix)(navbarProps, 'right');
        pullLeftClassName = (0, _bootstrapUtils.prefix)(navbarProps, 'left');
      } else {
        pullRightClassName = 'pull-right';
        pullLeftClassName = 'pull-left';
      }
  
      classes[pullRightClassName] = pullRight;
      classes[pullLeftClassName] = pullLeft;
  
      return _react2.default.createElement(
        'ul',
        (0, _extends4.default)({}, elementProps, {
          role: role,
          className: (0, _classnames2.default)(className, classes)
        }),
        _ValidComponentChildren2.default.map(children, function (child) {
          var active = _this5.isActive(child, activeKey, activeHref);
          var childOnSelect = (0, _createChainedFunction2.default)(child.props.onSelect, onSelect, navbar && navbar.onSelect, tabContainer && tabContainer.onSelect);
  
          return (0, _react.cloneElement)(child, (0, _extends4.default)({}, _this5.getTabProps(child, tabContainer, role, active, childOnSelect), {
            active: active,
            activeKey: activeKey,
            activeHref: activeHref,
            onSelect: childOnSelect
          }));
        })
      );
    };
  
    return Nav;
  }(_react2.default.Component);
  
  Nav.propTypes = propTypes;
  Nav.defaultProps = defaultProps;
  Nav.contextTypes = contextTypes;
  
  exports.default = (0, _bootstrapUtils.bsClass)('nav', (0, _bootstrapUtils.bsStyles)(['tabs', 'pills'], Nav));
  module.exports = exports['default'];