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/* Copyright© 2000 - 2021 SuperMap Software Co.Ltd. All rights reserved.
* This program are made available under the terms of the Apache License, Version 2.0
* which accompanies this distribution and is available at http://www.apache.org/licenses/LICENSE-2.0.html.*/
import { FetchRequest } from '../util/FetchRequest';
import { getLayerCatalogRenderLayers, getLayerInfosFromCatalogs, getMainLayerFromCatalog, isSameRasterLayer, mergeFeatures, transformUrl, flipImageVertically, isMapVersionGreaterThan } from './utils/util';
import { SourceListModelV3 } from './utils/SourceListModelV3';
import cloneDeep from 'lodash.clonedeep';
const LEGEND_RENDER_TYPE = {
TEXT: 'TEXT',
POINT: 'POINT',
LINE: 'LINE',
FILL: 'FILL',
FILLEXTRUSION: 'FILLEXTRUSION',
ANIMATEPOINT: 'ANIMATEPOINT',
ANIMATELINE: 'ANIMATELINE',
RADARPOINT: 'RADARPOINT',
BUILTINSYMBOL: 'BUILTINSYMBOL'
};
const LEGEND_SHAPE_TYPE = {
TEXT: 'TEXT',
POINT: 'POINT',
LINE: 'LINE',
RECTANGLE: 'RECTANGLE',
ANIMATEPOINT: 'ANIMATEPOINT',
ANIMATELINE: 'ANIMATELINE',
RADARPOINT: 'RADARPOINT',
HEXAGON: 'HEXAGON',
TRIANGLE: 'TRIANGLE',
LINEGRADIENT: 'LINEGRADIENT'
};
const LEGEND_CSS_STATE_KEY = {
fontSize: 'size',
backgroundColor: 'color'
};
const LEGEND_CSS_DEFAULT = {
[LEGEND_RENDER_TYPE.TEXT]: {
textSize: '16px',
textColor: '#FFFFFF',
textOpacity: 1,
textHaloColor: '#242424',
textHaloBlur: 1,
textHaloWidth: 1,
textFont: 'Microsoft YaHei'
},
[LEGEND_RENDER_TYPE.POINT]: {
fontSize: '8px',
color: '#FFFFFF',
opacity: 1
},
[LEGEND_RENDER_TYPE.BUILTINSYMBOL]: {
fontSize: '12px',
color: '#FFFFFF',
opacity: 1
},
[LEGEND_RENDER_TYPE.LINE]: {
width: 20,
height: 8,
backgroundColor: '#FFFFFF',
opacity: 1
},
[LEGEND_RENDER_TYPE.FILL]: {
width: '20px',
height: '20px',
opacity: 1,
backgroundColor: '#FFFFFF',
marginLeft: '1px',
outlineStyle: 'none',
outlineColor: '#FFFFFF',
outlineWidth: '0.5px',
outlineOpacity: 1
},
[LEGEND_RENDER_TYPE.FILLEXTRUSION]: {
width: '20px',
height: '20px',
opacity: 1,
backgroundColor: '#FFFFFF'
},
[LEGEND_RENDER_TYPE.ANIMATEPOINT]: {
size: 30, // UI 上显示直径
color: '#EE4D5A',
opacity: 0.9,
speed: 1,
rings: 3
},
[LEGEND_RENDER_TYPE.ANIMATELINE]: {
width: 20,
height: 8,
backgroundColor: '#FFFFFF',
opacity: 1
},
[LEGEND_RENDER_TYPE.RADARPOINT]: {
size: 60, // UI 上显示直径
color: '#EE4D5A',
opacity: 0.9,
speed: 3
}
};
const LegendTextDataDrivenStyleKey = [
'textSize',
'textColor',
'textOpacity',
'textHaloColor'
];
const LEGEND_STYLE_KEYS = {
[LEGEND_RENDER_TYPE.TEXT]: [...LegendTextDataDrivenStyleKey, 'symbolsContent', 'textField', 'textFont', 'textHaloBlur', 'textHaloWidth'],
[LEGEND_RENDER_TYPE.POINT]: ['symbolsContent', 'size', 'color', 'opacity'],
[LEGEND_RENDER_TYPE.BUILTINSYMBOL]: ['symbolsContent', 'size', 'color', 'opacity'],
[LEGEND_RENDER_TYPE.LINE]: ['width', 'color', 'opacity', 'lineDasharray', 'symbolsContent'],
[LEGEND_RENDER_TYPE.FILL]: ['color', 'opacity', 'antialias', 'outline', 'outlineColor', 'outlineWidth', 'outlineOpacity', 'outlineSymbolsContent', 'symbolsContent'],
[LEGEND_RENDER_TYPE.FILLEXTRUSION]: ['color', 'opacity', 'symbolsContent'],
[LEGEND_RENDER_TYPE.ANIMATEPOINT]: ['color', 'opacity', 'size', 'speed', 'rings'],
[LEGEND_RENDER_TYPE.ANIMATELINE]: ['color', 'opacity', 'width', 'textureBlend', 'symbolsContent', 'iconStep'],
[LEGEND_RENDER_TYPE.RADARPOINT]: ['color', 'opacity', 'size', 'speed']
};
const LEGEND_SYMBOL_DEFAULT = {
[LEGEND_RENDER_TYPE.POINT]: 'circle',
[LEGEND_RENDER_TYPE.BUILTINSYMBOL]: 'circle',
[LEGEND_RENDER_TYPE.FILL]: 'polygon-0',
[LEGEND_RENDER_TYPE.FILLEXTRUSION]: 'polygon-0'
};
const LegendType = {
LINEAR: 'LINEAR',
UNIQUE: 'UNIQUE',
RANGE: 'RANGE',
CUSTOM: 'CUSTOM'
};
const SymbolType = {
line: 'line',
point: 'point',
polygon: 'polygon'
};
const MAP_LAYER_TYPE_2_SYMBOL_TYPE = {
circle: 'point',
line: 'line',
symbol: 'point',
fill: 'polygon',
'fill-extrusion': 'polygon',
heatmap: 'point',
// background: 'background',//无此符号类型
// L7
radar: 'point',
'point-extrusion': 'point',
'heatmap-extrusion': 'point',
'line-extrusion': 'line',
'line-curve': 'line',
'line-curve-extrusion': 'line'
};
const LEGEND_LINE_WIDTH = 100;
const LINE_WIDTH_KEY = 'line-width';
export const LEGEND_STYLE_TYPES = {
IMAGE: 'image',
STYLE: 'style'
};
export { isMapVersionGreaterThan, flipImageVertically };
/**
* 按地图版本创建 Sprite 加载处理函数，供 WebMap 和外部 WebApp 共用。
* @param {string} mapVersion 地图版本号。
* @returns {Function|undefined} 旧版地图返回线符号处理函数，新版地图不需要额外处理。
*/
export function createSpriteLoadHandler(mapVersion) {
// 3.3.7 及以前的地图线符号需要垂直翻转；新版本由地图数据自身保证方向。
if (isMapVersionGreaterThan(mapVersion, '3.3.7')) {
return;
}
return (id, imageData, width, height) => {
// 翻转所有 line- 开头的图案
if (id && id.startsWith('line-')) {
return flipImageVertically(imageData, width, height);
}
return null;
};
}
export function createWebMapV3Extending(SuperClass, { MapManager, mapRepo, crsManager, l7LayerUtil, webMapService }) {
return class WebMapV3 extends SuperClass {
constructor(mapId, options, mapOptions = {}) {
super();
this.mapId = mapId;
this.options = options;
this.mapOptions = mapOptions;
this._mapResourceInfo = {};
this._relatedInfo = options.relatedInfo || {};
this._sprite = '';
this._spriteDatas = {};
this._appendLayers = false;
this._baseProjection = '';
}
initializeMap(mapInfo, map) {
this._mapInfo = mapInfo;
this._baseProjection = this._registerMapCRS(mapInfo);
if (map) {
this.map = map;
if (!crsManager.isSameProjection(this.map, this._baseProjection)) {
this.fire('projectionnotmatch');
return;
}
this._appendLayers = true;
// 处理图层管理添加 sprite
const sprite = this._mapInfo.sprite;
if (sprite) {
this._sprite = sprite;
this.map.addStyle({
sprite
});
}
if (this.map.addLocalIdeographFontFamily) {
const fontFamilys = this._getLabelFontFamily(mapInfo);
this.map.addLocalIdeographFontFamily(fontFamilys);
}
this._initLayers();
return;
}
this._createMap();
}
cleanLayers(layers) {
super.cleanLayers(layers);
const l7MarkerLayers = l7LayerUtil.getL7MarkerLayers();
for (const layerId in l7MarkerLayers) {
l7LayerUtil.removeL7MarkerLayer(layerId, this.map.$l7scene);
}
}
clean(removeMap = true) {
if (this.map) {
if (this._sourceListModel) {
this._sourceListModel.destroy();
this._sourceListModel = null;
}
if (removeMap) {
const scene = this.map.$l7scene;
scene && scene.removeAllLayer();
this.map.remove();
}
this.map = null;
this._legendList = [];
this._mapResourceInfo = {};
this._sprite = '';
this._spriteDatas = {};
this.mapOptions = {};
this.options = {};
}
}
async copyLayer(id, layerInfo = {}) {
const matchLayer = this._mapInfo.layers.find(layer => layer.id === id);
if (!matchLayer || this._getLayerOnMap(layerInfo.id)) {
return;
}
const copyLayerId = layerInfo.id || `${matchLayer.id}_copy`;
const copyLayer = { ...matchLayer, ...layerInfo, id: copyLayerId };
if (l7LayerUtil.isL7Layer(copyLayer)) {
const layers = [copyLayer];
const params = this._getAddL7LayersParams(layers, this._mapInfo.sources, layers);
await l7LayerUtil.addL7Layers(params);
} else {
if (typeof copyLayer.source === 'object') {
this.map.addSource(copyLayer.id, copyLayer.source);
copyLayer.source = copyLayer.id;
}
this.map.addLayer(copyLayer);
}
return copyLayer;
}
updateOverlayLayer(layerInfo, features, mergeByField) {
if (layerInfo.renderSource.type === 'geojson') {
const sourceId = layerInfo.renderSource.id;
features = mergeFeatures({ sourceId, features, mergeByField, map: this.map });
const featureCollection = {
type: 'FeatureCollection',
features
};
this.map.getSource(sourceId).setData(featureCollection);
}
}
/**
* @private
* @function WebMapV3.prototype._createMap
* @description 创建地图。
*/
_createMap() {
let {
name = '',
center = new mapRepo.LngLat(0, 0),
zoom = 0,
bearing = 0,
pitch = 0,
minzoom,
maxzoom,
sprite = ''
} = this._mapInfo;
center = this.mapOptions.center || center;
zoom = this.mapOptions.zoom || zoom;
bearing = this.mapOptions.bearing || bearing;
pitch = this.mapOptions.pitch || pitch;
const fontFamilys = this._getLabelFontFamily();
// 初始化 map
const mapOptions = {
...this.mapOptions,
// 统一线图案方向，避免 Mapbox GL 默认方向与 WebMap 符号方向约定不一致；旧版资源翻转由 _getSpriteLoad 按地图版本处理。
linePatternOrientation: 'west-to-east',
onSpriteLoad: this._getSpriteLoad(),
transformRequest: this._getTransformRequest(),
container: this.options.target,
crs: this._baseProjection,
center,
zoom,
style: {
sprite,
name,
version: 8,
sources: {},
layers: []
},
minZoom: minzoom,
maxZoom: maxzoom,
bearing,
pitch,
localIdeographFontFamily: fontFamilys || ''
};
this.map = new MapManager(mapOptions);
this._sprite = sprite;
this.fire('mapinitialized', { map: this.map });
this.map.on('load', () => {
this._initLayers();
});
}
_getSpriteLoad() {
return createSpriteLoadHandler(this._mapInfo && this._mapInfo.version);
}
_getTransformRequest() {
if (this.mapOptions.transformRequest) {
return this.mapOptions.transformRequest;
}
return (url, resourceType) => {
const withCredentials = this.options.iportalServiceProxyUrlPrefix && url.indexOf(this.options.iportalServiceProxyUrlPrefix) >= 0 ? 'include' : undefined;
if (resourceType === 'Tile' || resourceType === 'Image') {
return {
url: url,
credentials: withCredentials,
...(this.options.tileTransformRequest && this.options.tileTransformRequest(url))
};
}
return { url, credentials: withCredentials};
}
}
_registerMapCRS(mapInfo) {
const { crs } = mapInfo;
let epsgCode = crs;
if (typeof crs === 'object') {
crsManager.registerCRS(crs);
epsgCode = crs.name;
}
return epsgCode;
}
_getFieldCaption(msDatasetId) {
const { datas = [] } = this._mapResourceInfo;
let fieldCaptions = null;
datas.forEach(data => {
if (data.datasets) {
const index = data.datasets.findIndex(dataset => dataset.msDatasetId === msDatasetId);
if (index !== -1) {
fieldCaptions = data.datasets[index].fieldsCaptions;
}
}
});
return fieldCaptions;
}
_getPopupInfoContent(data, msDatasetId) {
const popupInfo = cloneDeep(data);
const fieldCaptions = this._getFieldCaption(msDatasetId);
if (fieldCaptions) {
popupInfo.elements = popupInfo.elements ? popupInfo.elements.map(item => {
if (item.type === 'FIELD') {
item.fieldCaption = fieldCaptions[item.fieldName] || item.fieldName;
}
return item;
}) : [];
}
return popupInfo;
}
_getPopupInfoByCatalog(catalog, res = []) {
const { catalogType, children } = catalog;
if(catalogType === 'group' && children) {
children.forEach(child => {
this._getPopupInfoByCatalog(child, res);
})
}
if (catalogType === 'layer') {
const { popupInfo, msDatasetId, title, layersContent } = catalog;
if (popupInfo) {
const popupInfoVal = this._getPopupInfoContent(popupInfo, msDatasetId);
if (popupInfoVal) {
res.push({...popupInfoVal, layerId: layersContent, title});
}
}
}
}
_getPopupInfos(_mapResourceInfo = this._mapResourceInfo) {
const { catalogs = [] } = _mapResourceInfo;
const res = [];
catalogs.forEach((item) => {
this._getPopupInfoByCatalog(item, res);
})
return res;
}
_getLegendInfoByCatalog(catalog, res = []) {
const { catalogType, children, showLegend, title, id } = catalog;
if (catalogType === 'group' && children) {
children.forEach(child => {
this._getLegendInfoByCatalog(child, res);
});
}
if (catalogType === 'layer') {
res.push({
showLegend: showLegend === true,
id: id,
title: title
});
}
}
_getLegendInfos(_mapResourceInfo = this._mapResourceInfo) {
const { catalogs = [] } = _mapResourceInfo;
const res = [];
catalogs.forEach((item) => {
this._getLegendInfoByCatalog(item, res);
});
return res;
}
/**
* @private
* @function WebMapV3.prototype._initLayers
* @description emit 图层加载成功事件。
*/
async _initLayers() {
await this._getSpriteDatas();
if (Object.prototype.toString.call(this.mapId) === '[object Object]') {
this.mapParams = {
title: this._mapInfo.name,
description: this._relatedInfo.description
};
if (this._relatedInfo.projectInfo) {
this._mapResourceInfo = JSON.parse(this._relatedInfo.projectInfo);
this._changeMapInfoFilter();
}
this._createMapRelatedInfo();
this._addLayersToMap();
return;
}
this._getMapRelatedInfo()
.then((relatedInfo) => {
this.mapParams = {
title: this._mapInfo.name,
description: relatedInfo.description
};
this._mapResourceInfo = JSON.parse(relatedInfo.projectInfo);
this._changeMapInfoFilter();
this._createMapRelatedInfo();
this._addLayersToMap();
})
.catch((error) => {
this.fire('mapcreatefailed', { error: error });
console.error(error);
});
}
/**
* @private
* @function WebMapV3.prototype._changeMapInfoFilter
* @description 更新地图图层的过滤器， 将filter的内容 ['==', 'Ctype', '']转换为['==', ['get', 'Ctype'], 'label']
*/
_changeMapInfoFilter() {
if (mapRepo && mapRepo.convertFilter) {
const { layers = [] } = this._mapInfo;
layers.forEach((layer) => {
if (layer.filter) {
layer.filter = mapRepo.convertFilter(layer.filter);
}
});
this._mapInfo = {
...this._mapInfo,
layers
};
}
}
/**
* @private
* @function WebMapV3.prototype._createMapRelatedInfo
* @description 创建地图相关资源。
*/
_createMapRelatedInfo() {
const { glyphs } = this._mapInfo;
for (let key in glyphs) {
this.map.style.addGlyphs(key, glyphs[key]);
}
}
/**
* @private
* @function WebMapV3.prototype._getMapRelatedInfo
* @description 获取地图关联信息的 JSON 信息。
*/
_getMapRelatedInfo() {
const mapResourceUrl = transformUrl(
Object.assign({ url: `${this.options.server}web/maps/${this.mapId}` }, this.options)
);
return FetchRequest.get(mapResourceUrl, null, { withCredentials: webMapService.handleUrlWithCredentials(mapResourceUrl) }).then((response) =>
response.json()
);
}
/**
* @private
* @function WebMapV3.prototype._addLayersToMap
* @description emit 图层加载成功事件。
*/
async _addLayersToMap() {
try {
const { sources, layers, layerCatalog, catalogs } = this._setUniqueId(this._mapInfo, this._mapResourceInfo);
Object.assign(this._mapInfo, {
sources,
layers,
metadata: Object.assign(this._mapInfo.metadata, { layerCatalog })
});
Object.assign(this._mapResourceInfo, { catalogs });
const mapboxglLayers = layers.filter((layer) => !l7LayerUtil.isL7Layer(layer));
const mapboxSourceIds = mapboxglLayers.map((layer) => layer.source);
for(const sourceId of mapboxSourceIds) {
const source = sources[sourceId];
if(source && source.type === 'geojson' && source.data && source.data.type === 'supermap-rest-data') {
source.data = await l7LayerUtil.getRestDataGeojsonByWebMap(source.data, {iportalServiceProxyUrlPrefix: this.options.server, withoutFormatSuffix: true});
}
}
mapboxglLayers.forEach((layer) => {
if (layer.metadata && layer.metadata.reused) {
return;
}
layer.source && !this.map.getSource(layer.source) && this.map.addSource(layer.source, sources[layer.source]);
// L7才会用到此属性
if (layer.type === 'symbol' && layer.layout['text-z-offset'] === 0) {
delete layer.layout['text-z-offset'];
}
this.map.addLayer(layer);
});
const l7Layers = layers.filter((layer) => l7LayerUtil.isL7Layer(layer));
if (l7Layers.length > 0) {
const params = this._getAddL7LayersParams(layers, sources, l7Layers);
await l7LayerUtil.addL7Layers(params);
}
this._createLegendInfo();
this._sendMapToUser();
} catch (error) {
this.fire('mapcreatefailed', { error, map: this.map });
console.error(error);
}
}
_getAddL7LayersParams(layers, sources, l7Layers) {
return {
map: this.map,
webMapInfo: { ...this._mapInfo, layers, sources },
l7Layers,
spriteDatas: this._spriteDatas,
options: {
...this.options,
emitterEvent: this.fire.bind(this),
transformRequest: this._getTransformRequest()
}
}
}
/**
* @private
* @function WebMapV3.prototype._setUniqueId
* @description 返回唯一 id 的 sources 和 layers。
* @param {Object} mapInfo - map 信息。
*/
_setUniqueId(style, projectInfo) {
const unspportedLayers = this._handleUnSupportedLayers(style);
const layersToMap = JSON.parse(JSON.stringify(style.layers)).filter((layer) => {
return !unspportedLayers.includes(layer.id);
});
const nextSources = {};
const sourcesIdChangedMap = {};
const layerIdToChange = [];
const timestamp = `_${+new Date()}`;
for (const sourceId in style.sources) {
let nextSourceId = sourceId;
if (this.map.getSource(sourceId)) {
nextSourceId = sourceId + timestamp;
}
sourcesIdChangedMap[nextSourceId] = sourceId;
nextSources[nextSourceId] = style.sources[sourceId];
for (const layer of layersToMap) {
if (layer.source === sourceId) {
layer.source = nextSourceId;
}
}
}
for (const layer of layersToMap) {
const originId = layer.id;
const existLayer = this._getLayerOnMap(layer.id);
if (existLayer) {
if (
this.options.checkSameLayer &&
isSameRasterLayer(nextSources[layer.source], this.map.getSource(existLayer.source))
) {
layer.metadata = layer.metadata || {};
layer.metadata.reused = true;
layer.source = sourcesIdChangedMap[layer.source];
} else {
const layerId = layer.id + timestamp;
layer.id = layerId;
}
}
layerIdToChange.push({ originId: originId, renderId: layer.id, id: originId });
}
const layerCatalogFromMapJson = JSON.parse(JSON.stringify(style.metadata.layerCatalog), 'parts');
this._updateLayerCatalogsId({
loopData: JSON.parse(JSON.stringify(layerCatalogFromMapJson)),
catalogs: layerCatalogFromMapJson,
layerIdMapList: layerIdToChange,
unspportedLayers
});
const catalogsFromProjectInfo = JSON.parse(JSON.stringify(projectInfo.catalogs || []));
this._updateLayerCatalogsId({
loopData: JSON.parse(JSON.stringify(catalogsFromProjectInfo)),
catalogs: catalogsFromProjectInfo,
layerIdMapList: layerIdToChange,
catalogTypeField: 'catalogType',
layerIdsField: 'layersContent',
unspportedLayers
});
return {
sources: nextSources,
layers: layersToMap,
layerCatalog: layerCatalogFromMapJson,
catalogs: catalogsFromProjectInfo
};
}
_getLayerOnMap(layerId) {
const overlayLayer = this.map.overlayLayersManager[layerId];
if (overlayLayer) {
return overlayLayer;
}
const l7MarkerLayers = l7LayerUtil.getL7MarkerLayers();
const l7MarkerLayer = l7MarkerLayers[layerId];
if (l7MarkerLayer) {
return l7MarkerLayer;
}
return this.map.getLayer(layerId);
}
_findLayerCatalog(items, id) {
for (const item of items) {
if (item.id === id) {
return item;
}
if (item.children) {
const found = this._findLayerCatalog(item.children, id);
if (found) {
return found;
}
}
}
return null;
}
_deleteLayerCatalog(catalogs, id) {
for (let index = 0; index < catalogs.length; index++) {
const catalog = catalogs[index];
if (catalog.id === id) {
catalogs.splice(index, 1);
break;
}
if (catalog.children) {
this._deleteLayerCatalog(catalog.children, id);
}
}
}
_updateLayerCatalogsId({
loopData,
catalogs,
layerIdMapList,
catalogTypeField = 'type',
layerIdsField = 'parts',
unspportedLayers
}) {
loopData.forEach((loopItem) => {
const { id, children } = loopItem;
if (loopItem[catalogTypeField] === 'group') {
this._updateLayerCatalogsId({
loopData: children,
catalogs,
layerIdMapList,
catalogTypeField,
layerIdsField,
unspportedLayers
});
return;
}
const renderLayers = getLayerCatalogRenderLayers(loopItem[layerIdsField], id, layerIdMapList);
const matchLayer = layerIdMapList.find((item) => item.originId === renderLayers[0]);
if (matchLayer) {
const catalog = this._findLayerCatalog(catalogs, id);
catalog.id = matchLayer.renderId;
catalog.reused = matchLayer.reused;
if (catalog[layerIdsField]) {
catalog[layerIdsField] = this._renameLayerIdsContent(catalog[layerIdsField], layerIdMapList);
}
return;
}
if (unspportedLayers.includes(id) || renderLayers.some((layerId) => unspportedLayers.includes(layerId))) {
this._deleteLayerCatalog(catalogs, id);
}
});
}
/**
* @private
* @function WebMapV3.prototype._sendMapToUser
* @description emit 图层加载成功事件。
*/
_sendMapToUser() {
this._sourceListModel = new SourceListModelV3({
map: this.map,
appendLayers: this._appendLayers,
mapInfo: this._mapInfo,
mapResourceInfo: this._mapResourceInfo,
legendList: this._legendList,
l7LayerUtil
});
this._sourceListModel.on({
layerupdatechanged: (params) => {
this.fire('layerupdatechanged', params);
}
});
this.fire('mapcreatesucceeded', { map: this.map, mapparams: this.mapParams, layers: this.getSelfAppreciableLayers() });
}
_renameLayerIdsContent(layerIds, layerIdRenameMapList) {
if (!layerIds) {
return layerIds;
}
return layerIds.map((id) => {
const matchItem = layerIdRenameMapList.find((item) => item.originId === id);
return matchItem.renderId;
});
}
_parseRendererStyleData(renderer) {
// 根据 map 的工程信息返回结果看，聚合图层的 renderer 是对象 其他图层是数组
if (renderer instanceof Array) {
return renderer;
}
return [renderer];
}
/**
* @private
* @function WebMapV3.prototype._getLabelFontFamily
* @description 获取图层字体类型。
*/
_getLabelFontFamily(mapInfo = this._mapInfo) {
const fonts = ['sans-serif'];
const layers = mapInfo.layers;
if (layers && layers.length > 0) {
layers.forEach((layer) => {
const textFont = (layer.layout && layer.layout['text-font']) || [];
fonts.push(...textFont);
});
}
const fontFamilys = fonts.join(',');
return fontFamilys;
}
/**
* @private
* @function WebMapV3.prototype._getSpriteDatas
* @description 获取雪碧图信息。
*/
_getSpriteDatas() {
const sprite = this._sprite;
if (!sprite) {
return;
}
const spriteUrls = [];
if (typeof sprite === 'string') {
spriteUrls.push(sprite);
} else if (typeof sprite === 'object') {
Object.keys(sprite).forEach((sourceId) => {
spriteUrls.push(sprite[sourceId]);
});
}
return Promise.all(spriteUrls.map((url) => this._getSpriteData(url))).then((allResults) => {
allResults.forEach((result) => {
this._spriteDatas = {...this._spriteDatas, ...result};
});
return;
});
}
_getSpriteData(sprite) {
const url = sprite.replace(/.+(web\/maps\/.+)/, `${this.options.server}$1`);
return FetchRequest.get(url, null, { withCredentials: webMapService.handleUrlWithCredentials(url) })
.then((response) => {
return response.json();
});
}
_createLegendInfo() {
const { catalogs = [] } = this._mapResourceInfo;
const originLayers = getLayerInfosFromCatalogs(catalogs, 'catalogType');
for (const layer of originLayers) {
const { renderer, label } = layer.visualization || {};
if (!renderer) {
continue;
}
const layerFromMapInfo = getMainLayerFromCatalog(layer.layersContent, layer.id, this._mapInfo.layers);
let themeField;
const sourceInfo = this._mapInfo.sources[layerFromMapInfo.source];
if ('clusterField' in sourceInfo) {
themeField = sourceInfo.clusterField;
}
const nextLayer = Object.assign({}, layerFromMapInfo, { title: layer.title, themeField });
const styleSettings = this._parseRendererStyleData(renderer);
// 线面文本标签
if (label) {
styleSettings.push({...label, type: 'text'});
if (label.symbolsContent && label.symbolsContent.value.symbolId) {
styleSettings.push({...label, type: 'symbol'});
}
}
// 点文本标签
if (styleSettings[0].textField && styleSettings[0].textField.value) {
styleSettings.push({
...styleSettings[0],
type: 'text'
});
}
const layerLegends = styleSettings.reduce((legends, styleSetting) => {
const legendItems = this._createLayerLegendList(nextLayer, styleSetting);
legendItems && legends.push(...legendItems);
return legends;
}, []);
this._legendList.push(...layerLegends);
}
}
_getAliasKey(renderType, key) {
if (renderType === 'isoline3D' && key === 'dashArray') {
return 'lineDasharray';
}
return key;
}
_transStyleKeys(renderType, keys) {
return keys.map((key) => this._getAliasKey(renderType, key));
}
_transStyleSetting(renderType, styleSetting) {
for (const key in styleSetting) {
const aliasKey = this._getAliasKey(renderType, key);
if (aliasKey !== key) {
styleSetting[aliasKey] = styleSetting[key];
}
}
}
_getLegendSimpleStyle(styleSetting, keys) {
const simpleStyle = {};
if (keys) {
const simpleKeys = keys.filter((k) => styleSetting[k] && styleSetting[k].type === 'simple');
simpleKeys.forEach((k) => {
const isOutlineKey = ['outlineColor', 'outlineWidth', 'outlineOpacity', 'outlineSymbolsContent'].includes(k);
const hasOutline =
styleSetting &&
(
(styleSetting.outline && styleSetting.outline.value === true) ||
(styleSetting.antialias && styleSetting.antialias.value === true)
);
if (isOutlineKey && !hasOutline) {
return;
}
simpleStyle[k] = (styleSetting[k] || {}).value;
});
}
return simpleStyle;
}
_getLegendRenderType(renderType) {
switch (renderType) {
case 'text':
return LEGEND_RENDER_TYPE.TEXT;
case 'circle':
case 'symbol':
case 'column':
return LEGEND_RENDER_TYPE.POINT;
case 'heatGrid':
case 'heatHexagon':
case 'heat3DGrid':
case 'heat3DHexagon':
return LEGEND_RENDER_TYPE.BUILTINSYMBOL;
case 'line':
case 'isoline3D':
return LEGEND_RENDER_TYPE.LINE;
case 'fill':
return LEGEND_RENDER_TYPE.FILL;
case 'fillExtrusion':
return LEGEND_RENDER_TYPE.FILLEXTRUSION;
case 'animatePoint':
return LEGEND_RENDER_TYPE.ANIMATEPOINT;
case 'line3D':
case 'animateLine':
return LEGEND_RENDER_TYPE.ANIMATELINE;
case 'radarPoint':
return LEGEND_RENDER_TYPE.RADARPOINT;
}
}
_getLegendShape(renderType, styleSetting) {
switch (renderType) {
case 'text':
return LEGEND_SHAPE_TYPE.TEXT;
case 'circle':
case 'symbol':
return LEGEND_SHAPE_TYPE.POINT;
case 'column': {
const symbolIds = {
cylinder: LEGEND_SHAPE_TYPE.POINT,
triangleColumn: LEGEND_SHAPE_TYPE.TRIANGLE,
squareColumn: LEGEND_SHAPE_TYPE.RECTANGLE,
hexagonColumn: LEGEND_SHAPE_TYPE.HEXAGON
};
return symbolIds[styleSetting.shape.value] || LEGEND_SHAPE_TYPE.POINT;
}
case 'heatHexagon':
case 'heat3DHexagon':
return LEGEND_SHAPE_TYPE.HEXAGON;
case 'line':
case 'isoline3D':
return LEGEND_SHAPE_TYPE.LINE;
case 'fill':
case 'heatGrid':
case 'heat3DGrid':
case 'fillExtrusion':
return LEGEND_SHAPE_TYPE.RECTANGLE;
case 'animatePoint':
return LEGEND_SHAPE_TYPE.ANIMATEPOINT;
case 'animateLine':
case 'line3D':
return LEGEND_SHAPE_TYPE.ANIMATELINE;
case 'radarPoint':
return LEGEND_SHAPE_TYPE.RADARPOINT;
case 'heat':
case 'heat3D':
return LEGEND_SHAPE_TYPE.LINEGRADIENT;
}
}
/**
* 1) 无数据驱动时；
* 2) 只有一个颜色数据驱动，且性线数据驱动时
* 以上两种情况图例中需要单独的显示符号项
* 是否显示图例单项
*/
_isShowLegendSingleItem(dataKeys, isLinearColor) {
return dataKeys.length === 0 || (dataKeys.length === 1 && dataKeys[0] === 'color' && isLinearColor);
}
_isWebsymbolById(id){
const a = ['line-', 'polygon-', 'point-'];
return a.some((el) => id && id.startsWith(el));