/* eslint-disable no-debugger */
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import AjaxUtils from '@/utils/AjaxUtils'
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/**
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* 底图管理助手，负责底图创建及开关
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*/
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class BasemapHelper {
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constructor (options) {
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this.map = options.map
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this.L = window.L
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this.basemapList = []
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this.basemapMap = new Map()
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this.basemapLayerGroup = this.L.layerGroup().addTo(options.map)
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}
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/**
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* 该方法负责各种底图加载到地图上
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* @param map
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* @param defBasemapName 初始化完成后，默认显示的图层
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*/
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initBasemap = (config, isIntranet) => {
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if (isIntranet) { // 内网
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this._getToken(config) // 获取token后，并按配置加载地图
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} else { // 外网
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this._createBasemapByConfig(config)
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}
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return this.basemapMap
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}
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/**
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* 获取所有的底图列表
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* @returns {null} 结构：[{名称, 图层引用}]
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*/
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getBasemapList = () => {
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return this.basemapList
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}
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/**
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* 通过名称获取底图对象
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* @param map 结构：[{名称, 图层引用}]
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* @param code 名称
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*/
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getBasemap = (map, code) => {
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return this.basemapMap.get(code)
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}
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/**
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* 显示某个图层
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* @param layer 待显示图层引用
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* @param isHideOthers 是否先关闭其他图层，默认是true
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*/
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showBasemap = (code, showAnnotation, isHideOthers = true) => {
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const basemap = this.basemapMap.get(code)
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if (isHideOthers) {
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this.basemapLayerGroup.clearLayers()
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}
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this.basemapLayerGroup.addLayer(basemap.layer)
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if (showAnnotation) {
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this.basemapLayerGroup.addLayer(basemap.annotation)
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}
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}
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/**
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* 隐藏某个图层
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* @param layer 待关闭图层引用
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*/
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hideBasemap = (code) => {
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const basemap = this.basemapMap.get(code)
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this.map.removeLayer(basemap.layer)
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this.map.removeLayer(basemap.annotation)
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}
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// 公网创建地图部分
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_createBasemapByConfig (config) {
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const internetBasemaps = config.mapConfig.InternetBaseMaps
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for (let i = 0, len = internetBasemaps.length; i < len; ++i) {
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const basemapConfig = internetBasemaps[i]
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const basemapLayer = this.L.tileLayer(basemapConfig.map.url, basemapConfig.map.option)
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const basemapAnnotationLayer = this.L.tileLayer(basemapConfig.annotation.url, basemapConfig.annotation.option)
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const basemap = {
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code: basemapConfig.code,
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name: basemapConfig.name,
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conf: basemapConfig,
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layer: basemapLayer,
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annotation: basemapAnnotationLayer
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}
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this.basemapList.push(basemap)
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this.basemapMap.set(basemapConfig.code, basemap)
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if (typeof basemapConfig.isAddToMap !== 'undefined' && basemapConfig.isAddToMap) {
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this.basemapLayerGroup.addLayer(basemapLayer)
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this.basemapLayerGroup.addLayer(basemapAnnotationLayer)
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}
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}
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}
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// 内网地图创建部分
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// 获取内网地图token，并加载到地图中
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_getToken = (config) => {
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const params = config.TokenConfig
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AjaxUtils.GetDataAsynByUrl(params.url, params.option, (token) => {
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this._showTDT(token, config)
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})
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}
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// 内网地图加载，并加载到地图
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_showTDT = (token, config) => {
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const intranetBasemaps = config.mapConfig.IntranetBaseMaps
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for (let i = 0, len = intranetBasemaps.length; i < len; ++i) {
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const basemapConfig = intranetBasemaps[i]
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const basemapLayer = this.L.tileLayer(basemapConfig.map.url, basemapConfig.map.option)
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const basemapAnnotationLayer = this.L.tileLayer(basemapConfig.annotation.url, basemapConfig.annotation.option)
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const basemap = {
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code: basemapConfig.code,
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name: basemapConfig.name,
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conf: basemapConfig,
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layer: basemapLayer,
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annotation: basemapAnnotationLayer
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}
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this.basemapList.push(basemap)
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this.basemapMap.set(basemapConfig.code, basemap)
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if (typeof basemapConfig.isAddToMap !== 'undefined' && basemapConfig.isAddToMap) {
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this.basemapLayerGroup.addLayer(basemapLayer)
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this.basemapLayerGroup.addLayer(basemapAnnotationLayer)
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}
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}
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}
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}
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export default BasemapHelper
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