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; }; 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; }; }(); 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, PureComponent } from 'react'; import PropTypes from 'prop-types'; import { createMap, updateMap } from './api'; var __com__ = 'Map'; //const debug = console.log; var debug = function debug() {}; export var Map = function (_Component) { _inherits(Map, _Component); function Map() { _classCallCheck(this, Map); var _this = _possibleConstructorReturn(this, (Map.__proto__ || Object.getPrototypeOf(Map)).call(this)); _this.refElement = null; _this._entity = null; debug(__com__, 'component constructor', _this._entity); return _this; } _createClass(Map, [{ key: 'componentWillMount', value: function componentWillMount() { debug(__com__, 'componentWillMount', this._entity, 'layerCount:' + (this._entity && this._entity.getLayers().length)); } }, { key: 'componentDidMount', value: function componentDidMount() { debug(__com__, 'componentDidMount', this._entity, 'layerCount:' + (this._entity && this._entity.getLayers().length)); var _props = this.props, options = _props.options, events = _props.events; this._entity = createMap(this.refElement, options, events); if (this._entity) { if (this.props.refer) this.props.refer(this._entity); this.setState({ __map__: this._entity }); } } }, { key: 'componentWillReceiveProps', value: function componentWillReceiveProps(nextProps) { debug(__com__, 'componentWillReceiveProps', this._entity, 'layerCount:' + (this._entity && this._entity.getLayers().length)); } }, { key: 'componentWillUpdate', value: function componentWillUpdate() { debug(__com__, 'componentWillUpdate', this._entity, 'layerCount:' + (this._entity && this._entity.getLayers().length)); } }, { key: 'componentDidUpdate', value: function componentDidUpdate(prevProps) { debug(__com__, 'componentDidUpdate', this._entity, 'layerCount:' + (this._entity && this._entity.getLayers().length)); var _props2 = this.props, options = _props2.options, events = _props2.events; if (!this._entity) { this._entity = createMap(this.refElement, options, events); if (this._entity) { if (this.props.refer) this.props.refer(this._entity); this.setState({ __map__: this._entity }); } return; } // need check props changes, then update. //updateMap(this._entity, this.props, prevProps); updateMap(this._entity, options, events, prevProps.options, prevProps.events); } }, { key: 'componentWillUnmount', value: function componentWillUnmount() { debug(__com__, 'componentWillUnmount', this._entity, 'layerCount:' + (this._entity && this._entity.getLayers().length)); if (this._entity) { // this._entity.clearMap(); this._entity.destroy(); // delete this._entity; this._entity = null; if (this.props.refer) this.props.refer(this._entity, 'layerCount:' + (this._entity && this._entity.getLayers().length)); } } }, { key: 'renderChildren', value: function renderChildren(children, __map__) { return React.Children.map(children, function (child) { if (child) { var cType = child.type; /* 针对下面两种组件不注入地图相关属性 * 1. 明确声明不需要注入的 * 2. DOM 元素 */ if (cType.preventAmap || typeof cType === 'string') { debug(__com__, 'component renderChildren orig'); return child; } debug(__com__, 'component renderChildren add __map__'); return React.cloneElement(child, { __map__: __map__ }); } debug(__com__, 'component renderChildren null'); return child; }); } // shouldComponentUpdate(nextProps, nextState) { // debug(__com__, 'shouldComponentUpdate', this._entity); // let { AMap: oldAMap, refer: oldRefer, options: oldOptions, events: oldEvents } = this.props; // let { AMap: newAMap, refer: newRefer, options: newOptions, events: newEvents } = nextProps; // if (oldAMap === newAMap && oldRefer === newRefer && oldOptions === newOptions && oldEvents === newEvents) { // debug(__com__, 'shouldComponentUpdate', false); // return false; // } // debug(__com__, 'shouldComponentUpdate', true); // return true; // } }, { key: 'render', value: function render() { var _this2 = this; debug(__com__, 'render', this._entity, 'layerCount:' + (this._entity && this._entity.getLayers().length)); var _props3 = this.props, className = _props3.className, style = _props3.style, children = _props3.children; var restProps = {}; if (className) restProps = _extends({}, restProps, { className: className }); if (style) restProps = _extends({}, restProps, { style: style }); return React.createElement( 'div', _extends({ ref: function ref(ele) { _this2.refElement = ele; } }, restProps), this.renderChildren(children, this._entity) ); } }]); return Map; }(Component); Map.propTypes = { refer: PropTypes.func, // 类似ref的函数形式,可以让父组件调用_entity options: PropTypes.object, events: PropTypes.object // zoom: PropTypes.number, // 10, //设置地图显示的缩放级别 // center: PropTypes.array, // [116.397428, 39.90923],//设置地图中心点坐标 // layers: PropTypes.array, // [new AMap.TileLayer.Satellite()], //设置图层,可设置成包含一个或多个图层的数组 // mapStyle: PropTypes.string, // 'amap://styles/whitesmoke', //设置地图的显示样式 // viewMode: PropTypes.string, // '2D', //设置地图模式 // lang: PropTypes.string, // 'zh_cn', //设置地图语言类型 // events: PropTypes.object, // {'click': function}, // 事件map }; export default Map;