@bigfishtv/cockpit/es/components/modal/ModalHost.js

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

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; }

import React, { Component } from 'react';
import classnames from 'classnames';

import newId from '../../utils/newId';

export var modalHandler = {};

var ModalHost = function (_Component) {
	_inherits(ModalHost, _Component);

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

		var _this = _possibleConstructorReturn(this, _Component.call(this, props));

		_this.handleKeyDown = function (event) {
			if (event.key === 'Escape') {
				_this.removeTopModal();
			}
		};

		_this.addModal = function (modal) {
			modal.id = newId();
			if (modal.closable === undefined) {
				modal.closable = true;
			}
			_this.setState({
				modals: _this.state.modals.concat([modal])
			});
			return modal;
		};

		_this.removeModal = function (modal) {
			_this.setState({
				modals: _this.state.modals.filter(function (m) {
					return m !== modal;
				})
			});
		};

		_this.removeTopModal = function () {
			if (_this.state.modals.length) {
				var modal = _this.state.modals[_this.state.modals.length - 1];
				if (modal.closable) {
					_this.removeModal(_this.state.modals[_this.state.modals.length - 1]);
				}
			}
		};

		_this.state = { modals: [] };
		modalHandler.add = _this.addModal;
		modalHandler.remove = _this.removeModal;
		modalHandler.removeTop = _this.removeTopModal;
		return _this;
	}

	ModalHost.prototype.componentDidMount = function componentDidMount() {
		document.addEventListener('keydown', this.handleKeyDown);
	};

	ModalHost.prototype.componentWillUnmount = function componentWillUnmount() {
		document.removeEventListener('keydown', this.handleKeyDown);
	};

	ModalHost.prototype.render = function render() {
		var _this2 = this;

		var modals = this.state.modals;

		var active = modals.length > 0;
		return React.createElement(
			'div',
			{ className: classnames('modal', { hide: !active }) },
			React.createElement('div', { className: 'modal-background', onClick: this.removeTopModal }),
			modals.map(function (modal) {
				var Component = modal.Component,
				    props = modal.props,
				    id = modal.id;

				return React.createElement(Component, _extends({ key: id }, props, { closeModal: _this2.removeModal.bind(_this2, modal) }));
			})
		);
	};

	return ModalHost;
}(Component);

export { ModalHost as default };