react-kube/Dropdown.js

Kube CSS in React Components

"use strict";

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 _get = function get(_x, _x2, _x3) { var _again = true; _function: while (_again) { var object = _x, property = _x2, receiver = _x3; desc = parent = getter = undefined; _again = false; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x = parent; _x2 = property; _x3 = receiver; _again = true; continue _function; } } else if ("value" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };

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 _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) subClass.__proto__ = superClass; }

var _reactAddons = require("react/addons");

var _reactAddons2 = _interopRequireDefault(_reactAddons);

var _classnames = require("classnames");

var _classnames2 = _interopRequireDefault(_classnames);

var Dropdown = (function (_React$Component) {
	function Dropdown(props) {
		_classCallCheck(this, Dropdown);

		_get(Object.getPrototypeOf(Dropdown.prototype), "constructor", this).call(this, props);
		this.state = { show: false };
	}

	_inherits(Dropdown, _React$Component);

	_createClass(Dropdown, [{
		key: "componentDidMount",
		value: function componentDidMount() {
			var element = _reactAddons2["default"].findDOMNode(this.refs.dropdownOwner);
			var dropdownHeight = element.offsetHeight;
			var posTop = element.offsetTop + dropdownHeight;
			var posLeft = element.offsetLeft;

			this.setState({
				left: posLeft,
				top: posTop
			});

			var listStyle = {
				background: this.props.background,
				color: this.props.color ? this.props.color : "inherit",
				cursor: "pointer",
				display: "block !important",
				left: posLeft,
				top: posTop + (this.props.top ? this.props.top : 0),
				zIndex: 100
			};

			this.dropdownStyle = _reactAddons2["default"].addons.update(this.props.style, { $merge: listStyle });

			//mousedown listener, used to detect clicks outside of the dropdown
			window.addEventListener("mousedown", this.closeDropDown.bind(this));
		}
	}, {
		key: "componentWillUnmount",
		value: function componentWillUnmount() {
			//mousedown click listener
			window.removeEventListener("mousedown", this.closeDropDown.bind(this));
		}
	}, {
		key: "toggleDropDown",
		value: function toggleDropDown() {
			var shown = this.state.show;
			this.setState({
				show: !shown
			});
		}
	}, {
		key: "closeDropDown",
		value: function closeDropDown() {
			if (!this.mouseOnDropdown) {
				this.setState({
					show: false
				});
			}
		}
	}, {
		key: "handleMouseDown",
		value: function handleMouseDown() {
			this.mouseOnDropdown = true;
		}
	}, {
		key: "handleMouseUp",
		value: function handleMouseUp() {
			this.mouseOnDropdown = false;
		}
	}, {
		key: "selectItem",
		value: function selectItem(item) {
			// sub navigation click callback
			this.props.onClick ? this.props.onClick(item) : null; //eslint-disable-line
			// on select function
			this.props.onSelect ? this.props.onSelect(item) : null; //eslint-disable-line
			// hide dropdown on select
			this.setState({
				show: false
			});
		}
	}, {
		key: "render",
		value: function render() {
			var _this = this;

			var dropdownClasses = (0, _classnames2["default"])({
				"dropdown": true
			});

			var wrapperStyle = {
				cursor: "pointer",
				position: "relative"
			};

			var items = this.props.data.map(function (item, i) {
				return _reactAddons2["default"].createElement(
					"li",
					{ key: i,
						onClick: _this.selectItem.bind(_this, item),
						style: item.props ? item.props.style : null },
					_reactAddons2["default"].createElement(
						"a",
						{ href: item.props ? item.props.url : null,
							target: item.props ? item.props.target : null },
						item
					)
				);
			});

			var children = _reactAddons2["default"].Children.map(this.props.children, function (child, i) {
				return _reactAddons2["default"].cloneElement(child, { key: i, onClick: this.toggleDropDown.bind(this), ref: "dropdownOwner", style: { cursor: "pointer" } });
			}, this);

			return _reactAddons2["default"].createElement(
				"div",
				{ onMouseDown: this.handleMouseDown.bind(this), onMouseUp: this.handleMouseUp.bind(this), style: wrapperStyle },
				children,
				this.state.show ? _reactAddons2["default"].createElement(
					"ul",
					{ className: (0, _classnames2["default"])(this.props.className, dropdownClasses), ref: "dropdown", style: this.dropdownStyle },
					items
				) : null
			);
		}
	}]);

	return Dropdown;
})(_reactAddons2["default"].Component);

Dropdown.propTypes = {
	background: _reactAddons2["default"].PropTypes.string,
	children: _reactAddons2["default"].PropTypes.node.isRequired,
	className: _reactAddons2["default"].PropTypes.string,
	color: _reactAddons2["default"].PropTypes.string,
	data: _reactAddons2["default"].PropTypes.array.isRequired,
	onClick: _reactAddons2["default"].PropTypes.func,
	onSelect: _reactAddons2["default"].PropTypes.func,
	style: _reactAddons2["default"].PropTypes.object,
	top: _reactAddons2["default"].PropTypes.number
};

Dropdown.defaultProps = { style: {} };

module.exports = Dropdown;