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| 1 | +import { WebMapService } from "./WebMapService"; |
| 2 | +import { SourceListModel } from './utils/SourceListModel'; |
| 3 | + |
| 4 | +export function createMapStyleExtending(SuperClass, { MapManager, mapRepo }) { |
| 5 | + return class MapStyle extends SuperClass { |
| 6 | + constructor( |
| 7 | + id, |
| 8 | + options = {}, |
| 9 | + mapOptions = {} |
| 10 | + ) { |
| 11 | + super(); |
| 12 | + this.options = options; |
| 13 | + this.mapOptions = mapOptions; |
| 14 | + this.webMapService = new WebMapService(id, options); |
| 15 | + this._layerIdRenameMapList = []; |
| 16 | + this._appendLayers = false; |
| 17 | + } |
| 18 | + |
| 19 | + initializeMap(_, map) { |
| 20 | + if (map) { |
| 21 | + this._appendLayers = true; |
| 22 | + this.map = map; |
| 23 | + this._addLayersToMap(); |
| 24 | + return; |
| 25 | + } |
| 26 | + this.mapOptions.container = this.options.target; |
| 27 | + if (typeof this.mapOptions.crs === 'object' && this.mapOptions.crs.epsgCode) { |
| 28 | + this.mapOptions.crs = new mapRepo.CRS( |
| 29 | + this.mapOptions.crs.epsgCode, |
| 30 | + this.mapOptions.crs.WKT, |
| 31 | + this.mapOptions.crs.extent, |
| 32 | + this.mapOptions.crs.unit |
| 33 | + ); |
| 34 | + } |
| 35 | + if (!this.mapOptions.transformRequest) { |
| 36 | + this.mapOptions.transformRequest = (url, resourceType) => { |
| 37 | + let proxy = ''; |
| 38 | + if (typeof this.options.proxy === 'string') { |
| 39 | + let proxyType = 'data'; |
| 40 | + if (resourceType === 'Tile') { |
| 41 | + proxyType = 'image'; |
| 42 | + } |
| 43 | + proxy = this.webMapService.handleProxy(proxyType); |
| 44 | + } |
| 45 | + return { |
| 46 | + url: proxy ? `${proxy}${encodeURIComponent(url)}` : url, |
| 47 | + credentials: this.webMapService.handleWithCredentials(proxy, url, this.options.withCredentials || false) |
| 48 | + ? 'include' |
| 49 | + : undefined |
| 50 | + }; |
| 51 | + }; |
| 52 | + } |
| 53 | + this.mapOptions.center = this.mapOptions.center || [0, 0]; |
| 54 | + this.mapOptions.zoom = this.mapOptions.zoom || 0; |
| 55 | + let fadeDuration = 0; |
| 56 | + if (Object.prototype.hasOwnProperty.call(this.mapOptions, 'fadeDuration')) { |
| 57 | + fadeDuration = this.mapOptions.fadeDuration; |
| 58 | + } |
| 59 | + this.map = new MapManager({ ...this.mapOptions, fadeDuration }); |
| 60 | + this.fire('mapinitialized', { map: this.map }); |
| 61 | + this.map.on('load', () => { |
| 62 | + this._sendMapToUser(); |
| 63 | + }); |
| 64 | + } |
| 65 | + |
| 66 | + clean(removeMap = true) { |
| 67 | + if (this.map) { |
| 68 | + this.map.remove(); |
| 69 | + removeMap && this.map.remove(); |
| 70 | + this.map = null; |
| 71 | + this._sourceListModel = null; |
| 72 | + } |
| 73 | + } |
| 74 | + |
| 75 | + getLayerCatalog() { |
| 76 | + return this._sourceListModel && this._sourceListModel.getSourceList() || []; |
| 77 | + } |
| 78 | + |
| 79 | + getLegendInfo() { |
| 80 | + return []; |
| 81 | + } |
| 82 | + |
| 83 | + getAppreciableLayers() { |
| 84 | + return this._sourceListModel && this._sourceListModel.getLayers() || []; |
| 85 | + } |
| 86 | + |
| 87 | + _addLayersToMap() { |
| 88 | + const { sources, layers, layerIdMapList } = this._setUniqueId(this.mapOptions.style); |
| 89 | + layers.forEach(layer => { |
| 90 | + layer.source && !this.map.getSource(layer.source) && this.map.addSource(layer.source, sources[layer.source]); |
| 91 | + this.map.addLayer(layer); |
| 92 | + }); |
| 93 | + this._layerIdRenameMapList = layerIdMapList; |
| 94 | + this._sendMapToUser(); |
| 95 | + } |
| 96 | + |
| 97 | + _setUniqueId(style) { |
| 98 | + const layersToMap = JSON.parse(JSON.stringify(style.layers)); |
| 99 | + const nextSources = {}; |
| 100 | + const layerIdToChange = []; |
| 101 | + const timestamp = `_${+new Date()}`; |
| 102 | + for (const sourceId in style.sources) { |
| 103 | + let nextSourceId = sourceId; |
| 104 | + if (this.map.getSource(sourceId)) { |
| 105 | + nextSourceId = sourceId + timestamp; |
| 106 | + } |
| 107 | + nextSources[nextSourceId] = style.sources[sourceId]; |
| 108 | + for (const layer of layersToMap) { |
| 109 | + if (layer.source === sourceId) { |
| 110 | + layer.source = nextSourceId; |
| 111 | + } |
| 112 | + } |
| 113 | + } |
| 114 | + for (const layer of layersToMap) { |
| 115 | + const originId = layer.id; |
| 116 | + if (this.map.getLayer(layer.id)) { |
| 117 | + const layerId = layer.id + timestamp; |
| 118 | + layer.id = layerId; |
| 119 | + } |
| 120 | + layerIdToChange.push({ originId: originId, renderId: layer.id }); |
| 121 | + } |
| 122 | + return { |
| 123 | + sources: nextSources, |
| 124 | + layers: layersToMap, |
| 125 | + layerIdMapList: layerIdToChange |
| 126 | + }; |
| 127 | + } |
| 128 | + |
| 129 | + _generateAppreciableLayers() { |
| 130 | + const layers = this.mapOptions.style.layers.map((layer) => { |
| 131 | + const matchLayer = this._layerIdRenameMapList.find(item => item.originId === layer.id) || { renderId: layer.id }; |
| 132 | + const overlayLayers = { |
| 133 | + id: matchLayer.renderId, |
| 134 | + name: layer.id |
| 135 | + }; |
| 136 | + return overlayLayers; |
| 137 | + }); |
| 138 | + return layers; |
| 139 | + } |
| 140 | + |
| 141 | + _sendMapToUser() { |
| 142 | + const appreciableLayers = this._generateAppreciableLayers(); |
| 143 | + this._sourceListModel = new SourceListModel({ |
| 144 | + map: this.map, |
| 145 | + layers: appreciableLayers, |
| 146 | + appendLayers: this._appendLayers |
| 147 | + }); |
| 148 | + const matchLayers = this.getAppreciableLayers().filter((item) => |
| 149 | + appreciableLayers.some((layer) => layer.id === item.id) |
| 150 | + ); |
| 151 | + this.fire('addlayerssucceeded', { |
| 152 | + map: this.map, |
| 153 | + mapparams: { title: this.mapOptions.name, description: '' }, |
| 154 | + layers: matchLayers |
| 155 | + }); |
| 156 | + } |
| 157 | + |
| 158 | + } |
| 159 | +} |
| 160 | + |
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