538 lines
21 KiB
JavaScript
538 lines
21 KiB
JavaScript
import Vue from 'vue'
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import { regInfo } from '@/api/dataSearch'
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let sourceLayer = undefined;
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let clickedLineIds = [];
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// 单例 Popup，用于确保地图上只有一个弹框实例
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let sharedPopup = null;
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export function loadVectorLayer(layerId, features = ["line", "symbol"], colors = ["#FEFEFE", "#FF0000"], visibility = "visible", mapId = "home", workspace = 'dsds', textField = "name") {
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// 添加数据源
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const sourceId = `vector-${layerId}`;
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let source = Vue.config.maps[mapId].getSource(sourceId);
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if (!source) {
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// request vector tiles with extra buffer to avoid geometry clipping at tile edges
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const tilesUrl = `${Vue.config.baseUrl}/geoserver/gwc/service/tms/1.0.0/${workspace}:${layerId}@EPSG:900913@pbf/{z}/{x}/{y}.pbf?buffer=64`;
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let bb = Vue.config.boundsInfoList.find(x => x.layerName.toLowerCase() == `${workspace}:${layerId}`.toLocaleLowerCase());
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let bounds = bb ? bb.bounds : null;
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if (bounds) {
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Vue.config.maps[mapId].addSource(sourceId, {
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type: 'vector',
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scheme: 'tms',
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tiles: [tilesUrl],
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minzoom: 0,
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maxzoom: 30,
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bounds: bounds,
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generateId: true
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});
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}
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else {
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Vue.config.maps[mapId].addSource(sourceId, {
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type: 'vector',
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scheme: 'tms',
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tiles: [tilesUrl],
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minzoom: 0,
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maxzoom: 30,
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generateId: true
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});
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}
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}
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let i = 0;
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features.forEach((feature) => {
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loadVectorFeature(layerId, feature, colors[i++], visibility, mapId, textField);
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});
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}
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export async function loadVectorFeature(layerId, feature, color, visibility, mapId, textField = "name") {
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let sourceId = `vector-${layerId}`;
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// symbol
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// Slot 是 Mapbox 样式规范中的一个概念，它定义了图层在渲染过程中的位置和顺序。
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let slot = "foreground";
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let layout = {
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"symbol-placement": "point",
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"text-rotation-alignment": "auto",
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"text-field": ["get", textField],
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"text-font": ["literal", ["Arial Unicode MS Regular", "DIN Offc Pro Italic", "Open Sans Regular"]],
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"text-size": 12,
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"text-variable-anchor": ["top", "bottom", "left", "right"],
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"text-radial-offset": 1,
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"text-justify": "auto",
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"text-optional": true,
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"text-allow-overlap": false,
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"text-ignore-placement": false,
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'symbol-spacing': 1000, // 像素间距，增大值可减少标注密度
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// 'text-max-angle': 300, // 角度越大，标注越少
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"icon-optional": true,
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"icon-allow-overlap": false,
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"icon-ignore-placement": false,
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"icon-image": "dot.png",
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"icon-size": 0.5,
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"visibility": visibility
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};
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let paint = {
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// "text-color": color,
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"text-halo-color": "#FFFFFF",
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"text-halo-width": 0.1,
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"icon-opacity": 1,
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"text-color": [
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"case",
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["boolean", ["feature-state", "click"], false],
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"red",
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["boolean", ["feature-state", "hover"], false],
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"yellow",
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color
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],
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// slot: "middle"
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};
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if (feature === "line") {
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slot = "top";
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layout = {
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"visibility": visibility,
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// "line-join": "round",
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// "line-cap": "round"
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};
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paint = {
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"line-opacity": 1,
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"line-width": [
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"case",
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["boolean", ["feature-state", "hover"], false],
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4,
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["boolean", ["feature-state", "click"], false],
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2,
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1.8
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],
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"line-color": [
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"case",
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["boolean", ["feature-state", "click"], false],
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"red",
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["boolean", ["feature-state", "hover"], false],
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"yellow",
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color
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]
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}
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}
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let layer = Vue.config.maps[mapId].getLayer(`${sourceId}-${feature}`);
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// console.log(">>>>>>>>>>>>>>>>>>source-layer: ", layerId);
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if (!layer) {
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// console.log("Adding vector layer:", `${sourceId}-${feature}`);
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Vue.config.maps[mapId].addLayer({
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id: `${sourceId}-${feature}`,
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'type': feature,
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'source': sourceId,
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'source-layer': layerId,
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'layout': layout,
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'paint': paint,
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// 'slot': 'foreground'
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});
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}
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// 点击可交互的图层，显示相关信息
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await setHighlight(`${sourceId}-${feature}`, sourceId, mapId);
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changeCursor(`${sourceId}-${feature}`, mapId);
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if (layerId.includes("sample_line"))
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await showSampleLineInfo(`${sourceId}-${feature}`, mapId);
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if (layerId.includes("sample_station"))
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await showSampleStationInfo(`${sourceId}-${feature}`, mapId);
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else
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await showTrackInfo(`${sourceId}-${feature}`, mapId);
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return sourceId;
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}
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export function setHighlight(layerId, sourceId, mapId = "home") {
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let hoveredLineId = null;
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let clickedLineId = null;
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Vue.config.maps[mapId].on('click', layerId, (e) => {
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if (!e.features || e.features.length <= 0)
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return;
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// // 查询点击点周围的所有要素（使用边界框）
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// const bbox = [
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// [e.point.x - 10, e.point.y - 10], // 左上
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// [e.point.x + 10, e.point.y + 10] // 右下
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// ];
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// // 查询所有要素
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// const allFeatures = Vue.config.maps[mapId].queryRenderedFeatures(bbox);
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// console.log("allFeatures: ", allFeatures);
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// // // 按图层分组
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// // const featuresByLayer = groupFeaturesByLayer(allFeatures);
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// // console.log('点击位置附近的所有要素:', featuresByLayer);
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// console.log(e.features.length, e.features);
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// console.log("1 e: ", e);
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let feature = e.features[0];
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if (e.features.length > 1 && e.options)
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feature = e.features.filter(f => f.properties.sample_name == e.options.sample_name)[0];
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sourceLayer = feature.sourceLayer;
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// 获取当前单击的线的选择状态
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let state = Vue.config.maps[mapId].getFeatureState({
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source: sourceId,
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sourceLayer: sourceLayer,
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id: feature.id
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});
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if (clickedLineId) {
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Vue.config.maps[mapId].setFeatureState({ source: sourceId, sourceLayer: sourceLayer, id: clickedLineId }, { click: false });
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}
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clickedLineId = feature.id;
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if (state.click === true) {
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// 再次单击时取消选择
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Vue.config.maps[mapId].setFeatureState({ source: sourceId, sourceLayer: sourceLayer, id: clickedLineId }, { click: false });
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// 隐藏信息框
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// document.getElementById("cable-overlay")!.style.display = 'none';
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// 过滤掉当前单击的线
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clickedLineIds = clickedLineIds.filter((item) => item !== clickedLineId);
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} else {
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Vue.config.maps[mapId].setFeatureState({ source: sourceId, sourceLayer: sourceLayer, id: clickedLineId }, { click: true });
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// 显示信息框
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// if (sourceId === 'GMSL Cable Data')
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// document.getElementById("cable-overlay")!.style.display = 'block';
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// 单击时加入选择列表（用于单击 ESC 键时取消选择状态）
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clickedLineIds.push(clickedLineId);
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// document.removeEventListener("keydown", removeHighlight, true);
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document.addEventListener("keydown", (e) => {
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removeHighlight(e, sourceId);
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}, { once: true }); // once：一个布尔值，表示 listener 在添加之后最多只调用一次。如果为 true，listener 会在其被调用之后自动移除。
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// }, true);
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}
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});
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// When the user moves their mouse over the state-fill layer, we'll update the feature state for the feature under the mouse.
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Vue.config.maps[mapId].on('mousemove', layerId, (e) => {
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if (e.features.length <= 0)
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return;
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sourceLayer = e.features[0].sourceLayer;
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if (hoveredLineId) {
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Vue.config.maps[mapId].setFeatureState(
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{ source: sourceId, sourceLayer: sourceLayer, id: hoveredLineId },
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{ hover: false }
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);
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}
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hoveredLineId = e.features[0].id;
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Vue.config.maps[mapId].setFeatureState(
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{ source: sourceId, sourceLayer: sourceLayer, id: hoveredLineId },
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{ hover: true }
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);
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});
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// When the mouse leaves the state-fill layer, update the feature state of the previously hovered feature.
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Vue.config.maps[mapId].on('mouseleave', layerId, () => {
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if (hoveredLineId && sourceLayer) {
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Vue.config.maps[mapId].setFeatureState(
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{ source: sourceId, sourceLayer: sourceLayer, id: hoveredLineId },
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{ hover: false }
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);
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}
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hoveredLineId = null;
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});
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}
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export function changeCursor(layerId, mapId = "home", cursor = "pointer") {
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Vue.config.maps[mapId].on("mouseenter", layerId, () => {
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Vue.config.maps[mapId].getCanvas().style.cursor = cursor;
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});
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Vue.config.maps[mapId].on("mouseleave", layerId, () => {
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Vue.config.maps[mapId].getCanvas().style.cursor = "";
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});
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}
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export function showSampleLineInfo(layerId, mapId = "home") {
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Vue.config.maps[mapId].on("click", layerId, async (e) => {
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// 禁止点击事件穿透 - 判断同一个 event 是否已经触发，用于避免图层内标记点注册的点击事件重复触发（点位分布密集时容易出现）
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if (e.defaultPrevented)
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return;
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// 标记该 event 已触发，禁止点击事件穿透
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if (typeof e.preventDefault === "function")
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e.preventDefault();
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const description = `
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<table class="popup-table" style="min-width:380px;">
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<thead>
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<tr>
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<td colspan="2">测线信息</td>
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</tr>
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</thead>
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<tr>
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<td>数据集名称: <b>${e.features[0].properties.dataset_name}</b></td>
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<td>数据样品编号: <b>${e.features[0].properties.sample_name}</b></td>
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</tr>
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<tr>
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<td>赞助机构: <b>${e.features[0].properties.funding_org}</b></td>
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<td>公开期限: <b>${e.features[0].properties.publish_rule}</b></td>
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</tr>
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<tr>
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<td>开始经度: <b>${e.features[0].properties.start_lon}°</b></td>
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<td>结束经度: <b>${e.features[0].properties.end_lon}°</b></td>
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</tr>
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<tr>
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<td>开始纬度: <b>${e.features[0].properties.start_lat}°</b></td>
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<td>结束纬度: <b>${e.features[0].properties.end_lat}°</b></td>
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</tr>
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<tr>
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<td>开始时间: <b>${e.features[0].properties.start_time}</b></td>
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<td>结束时间: <b>${e.features[0].properties.end_time}</b></td>
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</tr>
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<tr>
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<td>测线深度: <b>${e.features[0].properties.line_deep}m</b></td>
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<td>数据状态: <b>${e.features[0].properties.sample_status}</b></td>
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</tr>
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<tr>
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<td colspan="2">备注信息: <b>${e.features[0].properties.sample_remark}</b></td>
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</tr>
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</table>`;
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showPopupDetails(mapId, e.lngLat, description, "450px");
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});
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}
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export function showSampleStationInfo(layerId, mapId = "home") {
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Vue.config.maps[mapId].on("click", layerId, async (e) => {
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// 禁止点击事件穿透 - 判断同一个 event 是否已经触发，用于避免图层内标记点注册的点击事件重复触发（点位分布密集时容易出现）
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if (e.defaultPrevented)
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return;
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// 标记该 event 已触发，禁止点击事件穿透
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// if (typeof e.preventDefault === "function")
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// e.preventDefault();
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// console.log(e.features.length, e.features);
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// console.log("2 e: ", e);
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let feature = e.features[0];
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if (e.features.length > 1)
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feature = e.features.filter(f => f.properties.sample_name == e.options.sample_name)[0];
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const description = `
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<table class="popup-table" style="min-width:380px;">
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<thead>
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<tr>
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<td colspan="2">站位信息</td>
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</tr>
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</thead>
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<tr>
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<td>数据集名称: <b>${feature.properties.dataset_name}</b></td>
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<td>数据样品编号: <b>${feature.properties.sample_name}</b></td>
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</tr>
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<tr>
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<td>赞助机构: <b>${feature.properties.funding_org}</b></td>
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<td>公开期限: <b>${feature.properties.publish_rule}</b></td>
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</tr>
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<tr>
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<td>站位经度: <b>${feature.properties.sampling_lon}°</b></td>
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<td>站位纬度: <b>${feature.properties.sampling_lat}°</b></td>
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</tr>
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<tr>
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<td>采样时间: <b>${feature.properties.sampling_time}</b></td>
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<td>采样深度: <b>${feature.properties.sampling_deep}m</b></td>
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</tr>
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<tr>
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<td colspan="2">备注信息: <b>${feature.properties.sample_remark}</b></td>
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</tr>
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</table>`;
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showPopupDetails(mapId, feature.geometry.coordinates, description, "450px");
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});
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}
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export function showTrackInfo(layerId, mapId = "home") {
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Vue.config.maps[mapId].on("click", layerId, async (e) => {
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// 禁止点击事件穿透 - 判断同一个 event 是否已经触发，用于避免图层内标记点注册的点击事件重复触发（点位分布密集时容易出现）
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if (e.defaultPrevented)
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return;
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// 标记该 event 已触发，禁止点击事件穿透
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if (typeof e.preventDefault === "function")
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e.preventDefault();
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let coordinate = e.lngLat;
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let match = layerId.match(/vector-(.*)-[(symbol)|(line)]/);
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if (!match)
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return;
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const voyageId = match[1];
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regInfo({ voyage_name: voyageId }).then(res => {
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const info = res.map.voyage;
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const description = `
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<table class="popup-table" style="min-width:380px;">
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<thead>
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<tr>
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<td colspan="2"><a style="color:#0000FF" target="_balnk" title="点击查看航次详情" href="${Vue.config.baseUrl}/ds/#/container/dataDetail?voyage_name=${info.voyage_name}">航次信息</a></td>
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</tr>
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</thead>
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<tr>
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<td>航次编号: <b>${info.voyage_name}</b></td>
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<td>航次首席: <b>${info.voyage_officer}</b></td>
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</tr>
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<tr>
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<td>科考船舶: <b>${info.ship_name}</b></td>
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<td>资助机构: <b>${info.funding_org}</b></td>
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</tr>
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<tr>
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<td>离港日期: <b>${info.voyage_start_date}</b></td>
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<td>返港日期: <b>${info.voyage_end_date}</b></td>
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</tr>
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<tr>
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<td colspan="2">航次概况: <b>${info.voyage_remark}</b></td>
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</tr>
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</table>`;
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showPopupDetails(mapId, coordinate, description, "420px");
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})
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});
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}
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export function showPopupDetails(mapId, coordinate, description, maxWidth = "300px", closeButton = true, closeOnClick = true, options = {}) {
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const map = Vue.config.maps[mapId];
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if (!map)
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return;
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const popupOptions = Object.assign({ offset: {}, className: "my-class", closeButton: closeButton, closeOnClick: closeOnClick }, options);
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// 如果已有共享 popup，复用并更新位置/内容；否则创建新的并绑定 close 事件以便释放引用
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if (sharedPopup) {
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try {
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sharedPopup.setLngLat(coordinate)
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.setHTML(description)
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.setOffset(10)
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.setMaxWidth(maxWidth);
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} catch (err) {
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try {
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// 万一现有 popup 状态异常，移除并重新创建
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sharedPopup.remove();
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sharedPopup = null;
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} catch (e) {
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console.error("移除异常 popup 失败:", e);
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}
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sharedPopup = new window.mapboxgl.Popup(popupOptions)
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.setLngLat(coordinate)
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.setHTML(description)
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.setOffset(10)
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.setMaxWidth(maxWidth)
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.addTo(map);
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sharedPopup.on('close', () => { sharedPopup = null; });
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}
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} else {
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sharedPopup = new window.mapboxgl.Popup(popupOptions)
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.setLngLat(coordinate)
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.setHTML(description)
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.setOffset(10)
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.setMaxWidth(maxWidth)
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.addTo(map);
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sharedPopup.on('close', () => { sharedPopup = null; });
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}
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}
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export async function loadJsonLineFeature(layerId, color, geojson, mapId) {
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// console.log("layerId: ",layerId);
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let source = Vue.config.maps[mapId].getSource(layerId);
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if (!source) {
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Vue.config.maps[mapId].addSource(layerId, {
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||
"type": "geojson",
|
||
"data": geojson
|
||
});
|
||
}
|
||
else {
|
||
source.setData(geojson);
|
||
}
|
||
|
||
let layer = Vue.config.maps[mapId].getLayer(layerId);
|
||
if (layer)
|
||
Vue.config.maps[mapId].setLayoutProperty(layerId, "visibility", "visible");
|
||
else {
|
||
Vue.config.maps[mapId].addLayer({
|
||
'id': layerId,
|
||
'type': 'line',
|
||
'source': layerId,
|
||
'layout': {
|
||
'visibility': 'visible',
|
||
'line-join': 'round',
|
||
'line-cap': 'round'
|
||
},
|
||
'paint': {
|
||
'line-color': color,
|
||
'line-width': 1
|
||
}
|
||
});
|
||
|
||
// 点击可交互的图层，显示相关信息
|
||
await setHighlight(layerId, layerId, mapId);
|
||
changeCursor(layerId, mapId);
|
||
// await showTrackInfo(`${sourceId}-${feature}`, mapId);
|
||
}
|
||
}
|
||
|
||
export async function loadJsonPointFeature(layerId, color, geojson,text_field, mapId) {
|
||
let source = Vue.config.maps[mapId].getSource(layerId);
|
||
if (!source) {
|
||
Vue.config.maps[mapId].addSource(layerId, {
|
||
"type": "geojson",
|
||
"data": geojson
|
||
});
|
||
}
|
||
else {
|
||
source.setData(geojson);
|
||
}
|
||
|
||
let layer = Vue.config.maps[mapId].getLayer(layerId);
|
||
if (layer)
|
||
Vue.config.maps[mapId].setLayoutProperty(layerId, "visibility", "visible");
|
||
else {
|
||
Vue.config.maps[mapId].addLayer({
|
||
'id': layerId,
|
||
'type': 'symbol',
|
||
'source': layerId,
|
||
'layout': {
|
||
'icon-image': 'dot.png',
|
||
'icon-size': 0.5,
|
||
// get the title name from the source's "title" property
|
||
'text-field': ['get', text_field],
|
||
'text-font': [
|
||
'Open Sans Semibold',
|
||
'Arial Unicode MS Bold'
|
||
],
|
||
"text-size": 10,
|
||
'text-offset': [0, 1.25],
|
||
'text-anchor': 'top',
|
||
'visibility': 'visible'
|
||
},
|
||
'paint': {
|
||
"text-color": color,
|
||
"text-halo-color": "#FFFFFF",
|
||
"text-halo-width": 0.1,
|
||
"icon-opacity": 1,
|
||
}
|
||
});
|
||
|
||
// 点击可交互的图层，显示相关信息
|
||
await setHighlight(layerId, layerId, mapId);
|
||
changeCursor(layerId, mapId);
|
||
// await showTrackInfo(`${sourceId}-${feature}`, mapId);
|
||
}
|
||
}
|
||
|
||
export async function highlightFeaturesByProperty(mapId, sourceId, layerId, propertyName = "sample_name", targetValue = "TARGET_VALUE") {
|
||
// 清空所有高亮状态（可选）
|
||
Vue.config.maps[mapId].querySourceFeatures(sourceId).forEach(f => {
|
||
console.log("AAAAA: ", f);
|
||
Vue.config.maps[mapId].setFeatureState({ source: sourceId, id: f.id }, { highlight: false });
|
||
});
|
||
|
||
// 标记匹配要素
|
||
Vue.config.maps[mapId].querySourceFeatures(sourceId).forEach(f => {
|
||
console.log("BBBBB: ", f);
|
||
if (f.properties && f.properties[propertyName] === targetValue) {
|
||
Vue.config.maps[mapId].setFeatureState({ source: sourceId, id: f.id }, { highlight: true });
|
||
}
|
||
});
|
||
|
||
// 图层 paint 使用 feature-state
|
||
Vue.config.maps[mapId].setPaintProperty(layerId, 'text-color', [
|
||
'case',
|
||
['boolean', ['feature-state', 'highlight'], false],
|
||
'#FFFFFF', // 高亮颜色
|
||
"#FF0000"// 默认颜色
|
||
]);
|
||
} |