rk-rc-select/lib/DropdownMenu.js

React Select

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _typeof2 = require('babel-runtime/helpers/typeof');

var _typeof3 = _interopRequireDefault(_typeof2);

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

var _extends3 = _interopRequireDefault(_extends2);

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _reactDom = require('react-dom');

var _toArray = require('rc-util/lib/Children/toArray');

var _toArray2 = _interopRequireDefault(_toArray);

var _rkRcMenu = require('rk-rc-menu');

var _rkRcMenu2 = _interopRequireDefault(_rkRcMenu);

var _domScrollIntoView = require('dom-scroll-into-view');

var _domScrollIntoView2 = _interopRequireDefault(_domScrollIntoView);

var _util = require('./util');

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

var DropdownMenu = _react2["default"].createClass({
  displayName: 'DropdownMenu',

  propTypes: {
    defaultActiveFirstOption: _react.PropTypes.bool,
    value: _react.PropTypes.any,
    dropdownMenuStyle: _react.PropTypes.object,
    multiple: _react.PropTypes.bool,
    onPopupFocus: _react.PropTypes.func,
    onMenuDeSelect: _react.PropTypes.func,
    onMenuSelect: _react.PropTypes.func,
    prefixCls: _react.PropTypes.string,
    menuItems: _react.PropTypes.any,
    inputValue: _react.PropTypes.string,
    visible: _react.PropTypes.bool
  },

  componentWillMount: function componentWillMount() {
    this.lastInputValue = this.props.inputValue;
  },
  componentDidMount: function componentDidMount() {
    this.scrollActiveItemToView();
    this.lastVisible = this.props.visible;
  },
  shouldComponentUpdate: function shouldComponentUpdate(nextProps) {
    if (!nextProps.visible) {
      this.lastVisible = false;
    }
    // freeze when hide
    return nextProps.visible;
  },
  componentDidUpdate: function componentDidUpdate(prevProps) {
    var props = this.props;
    if (!prevProps.visible && props.visible) {
      this.scrollActiveItemToView();
    }
    this.lastVisible = props.visible;
    this.lastInputValue = props.inputValue;
  },
  scrollActiveItemToView: function scrollActiveItemToView() {
    // scroll into view
    var itemComponent = (0, _reactDom.findDOMNode)(this.firstActiveItem);
    if (itemComponent) {
      (0, _domScrollIntoView2["default"])(itemComponent, (0, _reactDom.findDOMNode)(this.refs.menu), {
        onlyScrollIfNeeded: true
      });
    }
  },
  renderMenu: function renderMenu() {
    var _this = this;

    var props = this.props;
    var menuItems = props.menuItems,
        defaultActiveFirstOption = props.defaultActiveFirstOption,
        value = props.value,
        prefixCls = props.prefixCls,
        multiple = props.multiple,
        onMenuSelect = props.onMenuSelect,
        inputValue = props.inputValue;

    if (menuItems && menuItems.length) {
      var _ret = function () {
        var menuProps = {};
        if (multiple) {
          menuProps.onDeselect = props.onMenuDeselect;
          menuProps.onSelect = onMenuSelect;
        } else {
          menuProps.onClick = onMenuSelect;
        }

        var selectedKeys = (0, _util.getSelectKeys)(menuItems, value);
        var activeKeyProps = {};

        var clonedMenuItems = menuItems;
        if (selectedKeys.length) {
          (function () {
            if (props.visible && !_this.lastVisible) {
              activeKeyProps.activeKey = selectedKeys[0];
            }
            var foundFirst = false;
            // set firstActiveItem via cloning menus
            // for scroll into view
            var clone = function clone(item) {
              if (!foundFirst && selectedKeys.indexOf(item.key) !== -1) {
                foundFirst = true;
                return (0, _react.cloneElement)(item, {
                  ref: function ref(_ref) {
                    _this.firstActiveItem = _ref;
                  }
                });
              }
              return item;
            };

            clonedMenuItems = menuItems.map(function (item) {
              if (item.type === _rkRcMenu.ItemGroup) {
                var children = (0, _toArray2["default"])(item.props.children).map(clone);
                return (0, _react.cloneElement)(item, {}, children);
              }
              return clone(item);
            });
          })();
        }

        // clear activeKey when inputValue change
        if (inputValue !== _this.lastInputValue) {
          activeKeyProps.activeKey = '';
        }

        return {
          v: _react2["default"].createElement(
            _rkRcMenu2["default"],
            (0, _extends3["default"])({
              ref: 'menu',
              style: _this.props.dropdownMenuStyle,
              defaultActiveFirst: defaultActiveFirstOption
            }, activeKeyProps, {
              multiple: multiple,
              focusable: false
            }, menuProps, {
              selectedKeys: selectedKeys,
              prefixCls: prefixCls + '-menu'
            }),
            clonedMenuItems
          )
        };
      }();

      if ((typeof _ret === 'undefined' ? 'undefined' : (0, _typeof3["default"])(_ret)) === "object") return _ret.v;
    }
    return null;
  },
  render: function render() {
    var renderMenu = this.renderMenu();
    return renderMenu ? _react2["default"].createElement(
      'div',
      {
        style: { overflow: 'auto' },
        onFocus: this.props.onPopupFocus,
        onMouseDown: _util.preventDefaultEvent
      },
      renderMenu
    ) : null;
  }
});

exports["default"] = DropdownMenu;
module.exports = exports['default'];