react-select-v1/lib/Option.js

A Select control built with and for ReactJS

'use strict';

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

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _classnames = require('classnames');

var _classnames2 = _interopRequireDefault(_classnames);

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _blockEvent = require('./utils/blockEvent');

var _blockEvent2 = _interopRequireDefault(_blockEvent);

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

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var Option = function (_React$Component) {
	_inherits(Option, _React$Component);

	function Option(props) {
		_classCallCheck(this, Option);

		var _this = _possibleConstructorReturn(this, (Option.__proto__ || Object.getPrototypeOf(Option)).call(this, props));

		_this.handleMouseDown = _this.handleMouseDown.bind(_this);
		_this.handleMouseEnter = _this.handleMouseEnter.bind(_this);
		_this.handleMouseMove = _this.handleMouseMove.bind(_this);
		_this.handleTouchStart = _this.handleTouchStart.bind(_this);
		_this.handleTouchEnd = _this.handleTouchEnd.bind(_this);
		_this.handleTouchMove = _this.handleTouchMove.bind(_this);
		_this.onFocus = _this.onFocus.bind(_this);
		return _this;
	}

	_createClass(Option, [{
		key: 'handleMouseDown',
		value: function handleMouseDown(event) {
			event.preventDefault();
			event.stopPropagation();
			this.props.onSelect(this.props.option, event);
		}
	}, {
		key: 'handleMouseEnter',
		value: function handleMouseEnter(event) {
			this.onFocus(event);
		}
	}, {
		key: 'handleMouseMove',
		value: function handleMouseMove(event) {
			this.onFocus(event);
		}
	}, {
		key: 'handleTouchEnd',
		value: function handleTouchEnd(event) {
			// Check if the view is being dragged, In this case
			// we don't want to fire the click event (because the user only wants to scroll)
			if (this.dragging) return;

			this.handleMouseDown(event);
		}
	}, {
		key: 'handleTouchMove',
		value: function handleTouchMove() {
			// Set a flag that the view is being dragged
			this.dragging = true;
		}
	}, {
		key: 'handleTouchStart',
		value: function handleTouchStart() {
			// Set a flag that the view is not being dragged
			this.dragging = false;
		}
	}, {
		key: 'onFocus',
		value: function onFocus(event) {
			if (!this.props.isFocused) {
				this.props.onFocus(this.props.option, event);
			}
		}
	}, {
		key: 'render',
		value: function render() {
			var _props = this.props,
			    option = _props.option,
			    instancePrefix = _props.instancePrefix,
			    optionIndex = _props.optionIndex;

			var className = (0, _classnames2.default)(this.props.className, option.className);

			return option.disabled ? _react2.default.createElement(
				'div',
				{ className: className,
					onMouseDown: _blockEvent2.default,
					onClick: _blockEvent2.default },
				this.props.children
			) : _react2.default.createElement(
				'div',
				{ className: className,
					style: option.style,
					role: 'option',
					'aria-label': option.label,
					onMouseDown: this.handleMouseDown,
					onMouseEnter: this.handleMouseEnter,
					onMouseMove: this.handleMouseMove,
					onTouchStart: this.handleTouchStart,
					onTouchMove: this.handleTouchMove,
					onTouchEnd: this.handleTouchEnd,
					id: instancePrefix + '-option-' + optionIndex,
					title: option.title },
				this.props.children
			);
		}
	}]);

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

Option.propTypes = {
	children: _propTypes2.default.node,
	className: _propTypes2.default.string, // className (based on mouse position)
	instancePrefix: _propTypes2.default.string.isRequired, // unique prefix for the ids (used for aria)
	isDisabled: _propTypes2.default.bool, // the option is disabled
	isFocused: _propTypes2.default.bool, // the option is focused
	isSelected: _propTypes2.default.bool, // the option is selected
	onFocus: _propTypes2.default.func, // method to handle mouseEnter on option element
	onSelect: _propTypes2.default.func, // method to handle click on option element
	onUnfocus: _propTypes2.default.func, // method to handle mouseLeave on option element
	option: _propTypes2.default.object.isRequired, // object that is base for that option
	optionIndex: _propTypes2.default.number // index of the option, used to generate unique ids for aria
};

exports.default = Option;