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util.js
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219 lines (204 loc) · 6.95 KB
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import { isString } from '../../util/BaseUtil';
import municipalCenterData from '../config/MunicipalCenter.json'; // eslint-disable-line import/extensions
import provincialCenterData from '../config/ProvinceCenter.json'; // eslint-disable-line import/extensions
export function createLinesData(layerInfo, properties) {
const data = [];
if (properties && properties.length) {
// 重新获取数据
const from = layerInfo.from;
const to = layerInfo.to;
let fromCoord;
let toCoord;
if (from.type === 'XY_FIELD' && from.xField && from.yField && to.xField && to.yField) {
properties.forEach((property) => {
const fromX = property[from.xField];
const fromY = property[from.yField];
const toX = property[to.xField];
const toY = property[to.yField];
if (!fromX || !fromY || !toX || !toY) {
return;
}
fromCoord = [property[from.xField], property[from.yField]];
toCoord = [property[to.xField], property[to.yField]];
data.push({
coords: [fromCoord, toCoord]
});
});
} else if (from.type === 'PLACE_FIELD' && from.field && to.field) {
const centerDatas = provincialCenterData.concat(municipalCenterData);
properties.forEach((property) => {
const fromField = property[from.field];
const toField = property[to.field];
fromCoord = centerDatas.find((item) => {
return isMatchAdministrativeName(item.name, fromField);
});
toCoord = centerDatas.find((item) => {
return isMatchAdministrativeName(item.name, toField);
});
if (!fromCoord || !toCoord) {
return;
}
data.push({
coords: [fromCoord.coord, toCoord.coord]
});
});
}
}
return data;
}
export function isMatchAdministrativeName(featureName, fieldName) {
if (isString(fieldName)) {
let shortName = featureName.substr(0, 2);
// 张家口市和张家界市 特殊处理
if (shortName === '张家') {
shortName = featureName.substr(0, 3);
}
return !!fieldName.match(new RegExp(shortName));
}
return false;
}
export function transformServerUrl(serverUrl) {
return !serverUrl || serverUrl.slice(-1) === '/' ? serverUrl : `${serverUrl}/`;
}
/**
* @description url 拼接代理或者凭证信息
* @param {string} point - 待转换的 url
* @returns {string} 转换后的 url
*/
export function transformUrl({ url, server, excludePortalProxyUrl, credentialValue, credentialKey }) {
let mapUrl = url.indexOf('.json') === -1 ? `${url}.json` : url;
let filter = 'getUrlResource.json?url=';
if (excludePortalProxyUrl && server.indexOf(filter) > -1) {
//大屏需求,或者有加上代理的
let urlArray = server.split(filter);
if (urlArray.length > 1) {
mapUrl = urlArray[0] + filter + mapUrl;
}
}
if (credentialValue && credentialKey) {
mapUrl += '?' + credentialKey + '=' + credentialValue;
}
return mapUrl;
}
/**
* 检测数据是否为number
* @param value 值，未知数据类型
* @returns {boolean}
*/
export function isNumber(value) {
if (value === "") {
return false;
}
let mdata = Number(value);
if (mdata === 0) {
return true;
}
return !isNaN(mdata);
}
export function mergeFeatures({ sourceId, features, mergeByField, map }) {
if (!(features instanceof Array)) {
return features;
}
features = features.map((feature, index) => {
if (!Object.prototype.hasOwnProperty.call(feature.properties, 'index')) {
feature.properties.index = index;
}
return feature;
});
if (!features.length || !mergeByField && features[0].geometry) {
return features;
}
const source = map.getSource(sourceId);
if ((!source || !source._data.features) && features[0].geometry) {
return features;
}
const prevFeatures = source && source._data && source._data.features;
const nextFeatures = [];
if (!mergeByField && prevFeatures) {
return prevFeatures;
}
features.forEach((feature) => {
const prevFeature = prevFeatures.find((item) => {
if (isNaN(+item.properties[mergeByField]) && isNaN(+feature.properties[mergeByField])) {
return (
JSON.stringify(item.properties[mergeByField] || '') ===
JSON.stringify(feature.properties[mergeByField] || '')
);
} else {
return +item.properties[mergeByField] === +feature.properties[mergeByField];
}
});
if (prevFeature) {
nextFeatures.push({
...prevFeature,
...feature
});
} else if (feature.geometry) {
nextFeatures.push(feature);
}
});
return nextFeatures;
}
export function getLayerInfosFromCatalogs(catalogs, catalogTypeField = 'type') {
const results = [];
for (let i = 0; i < catalogs.length; i++) {
const catalogType = catalogs[i][catalogTypeField];
if (catalogType !== 'group') {
results.push(catalogs[i]);
continue;
}
const { children } = catalogs[i];
if (children && children.length > 0) {
const result = getLayerInfosFromCatalogs(children, catalogTypeField);
results.push(...result);
}
}
return results;
}
function isSameRasterUrl(urlA, urlB) {
if (urlA === urlB) {
return true;
}
const uriA = new URL(urlA);
const uriB = new URL(urlB);
if (uriA.origin !== uriB.origin) {
return false;
}
const regex = /\/([^/?#]+\.\w+)$/;
const pathA = uriA.pathname.replace(regex, '');
const pathB = uriB.pathname.replace(regex, '');
// 3. 判断子路径关系
return pathA === pathB || pathA.startsWith(pathB + (pathB.endsWith('/') ? '' : '/'));
}
export function isSameRasterLayer(sourceInfo, compareSource) {
const { type, tiles } = sourceInfo;
if (type === 'raster') {
return type === compareSource.type && tiles && compareSource.tiles && isSameRasterUrl(tiles[0], compareSource.tiles[0]);
}
return false;
}
export function createAppreciableLayerId(layer) {
// 针对传入 layers
if (layer.layerInfo && layer.layerInfo.id) {
return layer.layerInfo.id;
}
// 往空地图上追加图层 且 只有一个webmap this.layers是空
if (layer.metadata && layer.metadata.SM_Layer_Id) {
return layer.metadata.SM_Layer_Id;
}
// 针对 MapboxStyle 或者其它额外的 layer
// type: background 和某些 overlaymanager layers 只有 id
return layer.sourceLayer || layer.source || layer.id;
}
export function getLayerCatalogRenderLayers(parts, catalogId, layersOnMap) {
// ms 3.0.5以下的版本 layerCatalogs layersContent/parts 不包括自身的上图layerid 只包含复合图层的id
const renderLayers = layersOnMap.some(item => item.id === catalogId) ? [catalogId] : [];
if (parts) {
renderLayers.push(...parts);
}
return Array.from(new Set(renderLayers)).filter(item => !!item);
}
export function getMainLayerFromCatalog(layerParts, catalogId, layersOnMap) {
const renderLayers = getLayerCatalogRenderLayers(layerParts, catalogId, layersOnMap);
return layersOnMap.find(item => item.id === renderLayers[0]);
}