<template>
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<el-dialog modal-class="mapDialog" v-model="isShow" width="80%">
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<div class="mapBox">
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<div id="dataCenterMap" class="ztzf-cesium"></div>
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</div>
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</el-dialog>
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</template>
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<script setup>
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import { useStore } from 'vuex';
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import { PublicCesium } from '@/utils/cesium/publicCesium';
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import { Cartesian3 } from 'cesium';
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import * as Cesium from 'cesium';
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import EventPopUpBox from '@/hooks/components/EventPopUpBox.vue';
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import { render } from 'vue';
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import defaultIcon from '@/assets/images/dataCenter/datamap/eventCompleted.png';
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const isShow = defineModel('show');
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const viewerRef = shallowRef(null);
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let viewer = null;
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const viewInstance = shallowRef(null);
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const store = useStore();
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const currentAreaPosition = ref({ height: 1987280, latitude: 27.636112, longitude: 115.732975 });
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let handler = null;
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// 获取弹框box
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const createLabelDom = data => {
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console.log('data',data);
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const vNode = h(EventPopUpBox, { data, removeLabel })
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const tooltipContainer = document.createElement('div')
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tooltipContainer.id = 'mapPopUpBox'
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tooltipContainer.style.position = 'absolute'
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tooltipContainer.style.transform = 'translate(-50%,-135%)'
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tooltipContainer.style.pointerEvents = 'none'
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document.querySelector('#dataCenterMap').append(tooltipContainer)
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render(vNode, tooltipContainer)
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return tooltipContainer
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};
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let currentClickEntity = null;
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// 弹框位置刷新
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const labelBoxUpdate = () => {
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if (!currentClickEntity) return;
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const mapPopUpBox = document.querySelector('#mapPopUpBox');
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let dom = mapPopUpBox
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? mapPopUpBox
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: createLabelDom(currentClickEntity.properties.customData._value.data);
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const screenPosition = viewer?.scene.cartesianToCanvasCoordinates(
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currentClickEntity?.position?._value
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);
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if (screenPosition) {
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dom.style.left = `${screenPosition.x}px`;
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dom.style.top = `${screenPosition.y}px`;
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dom.style.display = 'block';
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}
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};
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const removeDom = () => {
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const dom = document.querySelector('#mapPopUpBox');
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if (dom && dom.parentNode) {
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dom.parentNode.removeChild(dom);
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}
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};
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// 移除弹框标签
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const removeLabel = () => {
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viewer?.scene.postRender.removeEventListener(labelBoxUpdate);
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removeDom();
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};
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// 左键单机事件
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const singleMachineEvent = async click => {
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let clickedEntities = viewer?.scene.drillPick(click.position).map(item => item.id);
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if (!clickedEntities.length) return;
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currentClickEntity = clickedEntities[0];
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removeLabel();
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viewer.scene.postRender.addEventListener(labelBoxUpdate);
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};
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// 事件初始化
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const handlerInit = () => {
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if (handler) return;
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handler = new Cesium.ScreenSpaceEventHandler(viewer?.scene.canvas);
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handler.setInputAction(singleMachineEvent, Cesium.ScreenSpaceEventType.LEFT_CLICK);
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};
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const removeHandler = () => {
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handler?.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_CLICK);
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handler?.destroy();
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handler = null;
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};
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const dataPointList = [
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{
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longitude: '115.85708286111111',
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latitude: '28.62837602777778',
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},
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{
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longitude: '115.8566981111111',
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latitude: '28.624613027777777',
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},
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{
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longitude: '115.85474438888889',
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latitude: '28.624930444444445',
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},
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{
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longitude: '115.85518375',
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latitude: '28.62479547222222',
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},
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];
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function renderDataPoint() {
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dataPointList.forEach((item, index) => {
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const sizeObj = { width: 30, height: 30 };
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viewer.entities.add({
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id: `renderDataPoint-${index}`,
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position: Cesium.Cartesian3.fromDegrees(Number(item.longitude), Number(item.latitude)),
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label: {
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font: '12pt Source Han Sans CN',
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fillColor: Cesium.Color.WHITE,
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outlineColor: Cesium.Color.BLACK,
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outlineWidth: 2,
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style: Cesium.LabelStyle.FILL_AND_OUTLINE,
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verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
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pixelOffset: new Cesium.Cartesian2(0, -9),
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},
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billboard: {
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image: defaultIcon,
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...sizeObj,
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},
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properties: {
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customData: {
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data: item,
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},
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},
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});
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});
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}
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const initMap = () => {
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const publicCesiumInstance = new PublicCesium({
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dom: 'dataCenterMap',
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flatMode: false,
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terrain: false,
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mapFilter: true,
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});
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viewerRef.value = publicCesiumInstance.getViewer();
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viewer = publicCesiumInstance.getViewer();
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const { longitude, latitude, height } = currentAreaPosition.value;
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const position = Cartesian3.fromDegrees(longitude, latitude, height);
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viewerRef.value.camera.flyTo({
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duration: 0,
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destination: position,
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orientation: {
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heading: Cesium.Math.toRadians(0.0),
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pitch: Cesium.Math.toRadians(-90.0),
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roll: 0.0,
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},
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});
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viewInstance.value = publicCesiumInstance;
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};
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// 监听对话框状态
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watch(isShow, (newVal) => {
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if (newVal) {
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nextTick(() => {
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initMap();
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handlerInit();
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renderDataPoint();
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});
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} else {
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// 对话框关闭时清理资源
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viewInstance.value?.viewerDestroy();
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removeHandler();
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}
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});
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onMounted(() => {
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nextTick(() => {
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initMap();
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handlerInit();
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renderDataPoint();
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});
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});
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onBeforeUnmount(() => {
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viewInstance.value?.viewerDestroy();
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removeHandler();
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});
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</script>
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<style >
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.mapDialog .el-dialog__body {
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height: 700px !important;
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padding: 0 !important;
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}
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</style>
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<style scoped lang="scss">
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.mapBox {
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z-index: 2;
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height: 650px;
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width: 98%;
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position: absolute;
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left: 13px;
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top: 50px;
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#dataCenterMap {
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width: 100%;
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height: 100%;
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}
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}
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</style>
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