react-bootstrap/lib/Dropdown.js

'use strict';

exports.__esModule = true;

var _extends2 = require('babel-runtime/helpers/extends');

var _extends3 = _interopRequireDefault(_extends2);

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 _activeElement = require('dom-helpers/activeElement');

var _activeElement2 = _interopRequireDefault(_activeElement);

var _contains = require('dom-helpers/query/contains');

var _contains2 = _interopRequireDefault(_contains);

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 _elementType = require('prop-types-extra/lib/elementType');

var _elementType2 = _interopRequireDefault(_elementType);

var _isRequiredForA11y = require('prop-types-extra/lib/isRequiredForA11y');

var _isRequiredForA11y2 = _interopRequireDefault(_isRequiredForA11y);

var _uncontrollable = require('uncontrollable');

var _uncontrollable2 = _interopRequireDefault(_uncontrollable);

var _warning = require('warning');

var _warning2 = _interopRequireDefault(_warning);

var _ButtonGroup = require('./ButtonGroup');

var _ButtonGroup2 = _interopRequireDefault(_ButtonGroup);

var _DropdownMenu = require('./DropdownMenu');

var _DropdownMenu2 = _interopRequireDefault(_DropdownMenu);

var _DropdownToggle = require('./DropdownToggle');

var _DropdownToggle2 = _interopRequireDefault(_DropdownToggle);

var _bootstrapUtils = require('./utils/bootstrapUtils');

var _createChainedFunction = require('./utils/createChainedFunction');

var _createChainedFunction2 = _interopRequireDefault(_createChainedFunction);

var _PropTypes = require('./utils/PropTypes');

var _ValidComponentChildren = require('./utils/ValidComponentChildren');

var _ValidComponentChildren2 = _interopRequireDefault(_ValidComponentChildren);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var TOGGLE_ROLE = _DropdownToggle2.default.defaultProps.bsRole;
var MENU_ROLE = _DropdownMenu2.default.defaultProps.bsRole;

var propTypes = {
  /**
   * The menu will open above the dropdown button, instead of below it.
   */
  dropup: _propTypes2.default.bool,

  /**
   * An html id attribute, necessary for assistive technologies, such as screen readers.
   * @type {string|number}
   * @required
   */
  id: (0, _isRequiredForA11y2.default)(_propTypes2.default.oneOfType([_propTypes2.default.string, _propTypes2.default.number])),

  componentClass: _elementType2.default,

  /**
   * The children of a Dropdown may be a `<Dropdown.Toggle>` or a `<Dropdown.Menu>`.
   * @type {node}
   */
  children: (0, _all2.default)((0, _PropTypes.requiredRoles)(TOGGLE_ROLE, MENU_ROLE), (0, _PropTypes.exclusiveRoles)(MENU_ROLE)),

  /**
   * Whether or not component is disabled.
   */
  disabled: _propTypes2.default.bool,

  /**
   * Align the menu to the right side of the Dropdown toggle
   */
  pullRight: _propTypes2.default.bool,

  /**
   * Whether or not the Dropdown is visible.
   *
   * @controllable onToggle
   */
  open: _propTypes2.default.bool,

  defaultOpen: _propTypes2.default.bool,

  /**
   * A callback fired when the Dropdown wishes to change visibility. Called with the requested
   * `open` value, the DOM event, and the source that fired it: `'click'`,`'keydown'`,`'rootClose'`, or `'select'`.
   *
   * ```js
   * function(Boolean isOpen, Object event, { String source }) {}
   * ```
   * @controllable open
   */
  onToggle: _propTypes2.default.func,

  /**
   * A callback fired when a menu item is selected.
   *
   * ```js
   * (eventKey: any, event: Object) => any
   * ```
   */
  onSelect: _propTypes2.default.func,

  /**
   * If `'menuitem'`, causes the dropdown to behave like a menu item rather than
   * a menu button.
   */
  role: _propTypes2.default.string,

  /**
   * Which event when fired outside the component will cause it to be closed
   *
   * *Note: For custom dropdown components, you will have to pass the
   * `rootCloseEvent` to `<RootCloseWrapper>` in your custom dropdown menu
   * component ([similarly to how it is implemented in `<Dropdown.Menu>`](https://github.com/react-bootstrap/react-bootstrap/blob/v0.31.5/src/DropdownMenu.js#L115-L119)).*
   */
  rootCloseEvent: _propTypes2.default.oneOf(['click', 'mousedown']),

  /**
   * @private
   */
  onMouseEnter: _propTypes2.default.func,
  /**
   * @private
   */
  onMouseLeave: _propTypes2.default.func
};

var defaultProps = {
  componentClass: _ButtonGroup2.default
};

var Dropdown = function (_React$Component) {
  (0, _inherits3.default)(Dropdown, _React$Component);

  function Dropdown(props, context) {
    (0, _classCallCheck3.default)(this, Dropdown);

    var _this = (0, _possibleConstructorReturn3.default)(this, _React$Component.call(this, props, context));

    _this.handleClick = _this.handleClick.bind(_this);
    _this.handleKeyDown = _this.handleKeyDown.bind(_this);
    _this.handleClose = _this.handleClose.bind(_this);

    _this._focusInDropdown = false;
    _this.lastOpenEventType = null;
    return _this;
  }

  Dropdown.prototype.componentDidMount = function componentDidMount() {
    this.focusNextOnOpen();
  };

  Dropdown.prototype.componentWillUpdate = function componentWillUpdate(nextProps) {
    if (!nextProps.open && this.props.open) {
      this._focusInDropdown = (0, _contains2.default)(_reactDom2.default.findDOMNode(this.menu), (0, _activeElement2.default)(document));
    }
  };

  Dropdown.prototype.componentDidUpdate = function componentDidUpdate(prevProps) {
    var open = this.props.open;

    var prevOpen = prevProps.open;

    if (open && !prevOpen) {
      this.focusNextOnOpen();
    }

    if (!open && prevOpen) {
      // if focus hasn't already moved from the menu let's return it
      // to the toggle
      if (this._focusInDropdown) {
        this._focusInDropdown = false;
        this.focus();
      }
    }
  };

  Dropdown.prototype.focus = function focus() {
    var toggle = _reactDom2.default.findDOMNode(this.toggle);

    if (toggle && toggle.focus) {
      toggle.focus();
    }
  };

  Dropdown.prototype.focusNextOnOpen = function focusNextOnOpen() {
    var menu = this.menu;

    if (!menu.focusNext) {
      return;
    }

    if (this.lastOpenEventType === 'keydown' || this.props.role === 'menuitem') {
      menu.focusNext();
    }
  };

  Dropdown.prototype.handleClick = function handleClick(event) {
    if (this.props.disabled) {
      return;
    }

    this.toggleOpen(event, { source: 'click' });
  };

  Dropdown.prototype.handleClose = function handleClose(event, eventDetails) {
    if (!this.props.open) {
      return;
    }

    this.toggleOpen(event, eventDetails);
  };

  Dropdown.prototype.handleKeyDown = function handleKeyDown(event) {
    if (this.props.disabled) {
      return;
    }

    switch (event.keyCode) {
      case _keycode2.default.codes.down:
        if (!this.props.open) {
          this.toggleOpen(event, { source: 'keydown' });
        } else if (this.menu.focusNext) {
          this.menu.focusNext();
        }
        event.preventDefault();
        break;
      case _keycode2.default.codes.esc:
      case _keycode2.default.codes.tab:
        this.handleClose(event, { source: 'keydown' });
        break;
      default:
    }
  };

  Dropdown.prototype.toggleOpen = function toggleOpen(event, eventDetails) {
    var open = !this.props.open;

    if (open) {
      this.lastOpenEventType = eventDetails.source;
    }

    if (this.props.onToggle) {
      this.props.onToggle(open, event, eventDetails);
    }
  };

  Dropdown.prototype.renderMenu = function renderMenu(child, _ref) {
    var _this2 = this;

    var id = _ref.id,
        onSelect = _ref.onSelect,
        rootCloseEvent = _ref.rootCloseEvent,
        props = (0, _objectWithoutProperties3.default)(_ref, ['id', 'onSelect', 'rootCloseEvent']);

    var ref = function ref(c) {
      _this2.menu = c;
    };

    if (typeof child.ref === 'string') {
      process.env.NODE_ENV !== 'production' ? (0, _warning2.default)(false, 'String refs are not supported on `<Dropdown.Menu>` components. ' + 'To apply a ref to the component use the callback signature:\n\n ' + 'https://facebook.github.io/react/docs/more-about-refs.html#the-ref-callback-attribute') : void 0;
    } else {
      ref = (0, _createChainedFunction2.default)(child.ref, ref);
    }

    return (0, _react.cloneElement)(child, (0, _extends3.default)({}, props, {
      ref: ref,
      labelledBy: id,
      bsClass: (0, _bootstrapUtils.prefix)(props, 'menu'),
      onClose: (0, _createChainedFunction2.default)(child.props.onClose, this.handleClose),
      onSelect: (0, _createChainedFunction2.default)(child.props.onSelect, onSelect, function (key, event) {
        return _this2.handleClose(event, { source: 'select' });
      }),
      rootCloseEvent: rootCloseEvent
    }));
  };

  Dropdown.prototype.renderToggle = function renderToggle(child, props) {
    var _this3 = this;

    var ref = function ref(c) {
      _this3.toggle = c;
    };

    if (typeof child.ref === 'string') {
      process.env.NODE_ENV !== 'production' ? (0, _warning2.default)(false, 'String refs are not supported on `<Dropdown.Toggle>` components. ' + 'To apply a ref to the component use the callback signature:\n\n ' + 'https://facebook.github.io/react/docs/more-about-refs.html#the-ref-callback-attribute') : void 0;
    } else {
      ref = (0, _createChainedFunction2.default)(child.ref, ref);
    }

    return (0, _react.cloneElement)(child, (0, _extends3.default)({}, props, {
      ref: ref,
      bsClass: (0, _bootstrapUtils.prefix)(props, 'toggle'),
      onClick: (0, _createChainedFunction2.default)(child.props.onClick, this.handleClick),
      onKeyDown: (0, _createChainedFunction2.default)(child.props.onKeyDown, this.handleKeyDown)
    }));
  };

  Dropdown.prototype.render = function render() {
    var _classes,
        _this4 = this;

    var _props = this.props,
        Component = _props.componentClass,
        id = _props.id,
        dropup = _props.dropup,
        disabled = _props.disabled,
        pullRight = _props.pullRight,
        open = _props.open,
        onSelect = _props.onSelect,
        role = _props.role,
        bsClass = _props.bsClass,
        className = _props.className,
        rootCloseEvent = _props.rootCloseEvent,
        children = _props.children,
        props = (0, _objectWithoutProperties3.default)(_props, ['componentClass', 'id', 'dropup', 'disabled', 'pullRight', 'open', 'onSelect', 'role', 'bsClass', 'className', 'rootCloseEvent', 'children']);


    delete props.onToggle;

    var classes = (_classes = {}, _classes[bsClass] = true, _classes.open = open, _classes.disabled = disabled, _classes);

    if (dropup) {
      classes[bsClass] = false;
      classes.dropup = true;
    }

    // This intentionally forwards bsSize and bsStyle (if set) to the
    // underlying component, to allow it to render size and style variants.

    return _react2.default.createElement(
      Component,
      (0, _extends3.default)({}, props, { className: (0, _classnames2.default)(className, classes) }),
      _ValidComponentChildren2.default.map(children, function (child) {
        switch (child.props.bsRole) {
          case TOGGLE_ROLE:
            return _this4.renderToggle(child, {
              id: id,
              disabled: disabled,
              open: open,
              role: role,
              bsClass: bsClass
            });
          case MENU_ROLE:
            return _this4.renderMenu(child, {
              id: id,
              open: open,
              pullRight: pullRight,
              bsClass: bsClass,
              onSelect: onSelect,
              rootCloseEvent: rootCloseEvent
            });
          default:
            return child;
        }
      })
    );
  };

  return Dropdown;
}(_react2.default.Component);

Dropdown.propTypes = propTypes;
Dropdown.defaultProps = defaultProps;

(0, _bootstrapUtils.bsClass)('dropdown', Dropdown);

var UncontrolledDropdown = (0, _uncontrollable2.default)(Dropdown, { open: 'onToggle' });

UncontrolledDropdown.Toggle = _DropdownToggle2.default;
UncontrolledDropdown.Menu = _DropdownMenu2.default;

exports.default = UncontrolledDropdown;
module.exports = exports['default'];