585 lines
20 KiB
Vue
585 lines
20 KiB
Vue
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<template>
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<div class="page_container" :class="{'enClass': $i18n.locale === 'en-us'}">
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<div class="canvas-container">
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<canvas
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id="mapCanvas"
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ref="mapCanvas"
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@wheel="handleZoom"
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@click="handleCanvasClick"
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@touchstart="handleTouchStart"
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@touchmove="handleTouchMove"
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@mousedown="handleMouseDown"
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@mousemove="handleMouseMove"
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@mouseup="handleMouseUp"
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@mouseleave="handleMouseUp"
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></canvas>
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<div class="map_tools">
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<el-button class="zoom_btn" type="primary" :disabled="zoomPercentage === 2" icon="el-icon-minus" size="mini" @click="zoomOut"></el-button>
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<div class="zoom_data">{{ zoomPercentage }}%</div>
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<el-button class="zoom_btn" type="primary" :disabled="zoomPercentage === 200" icon="el-icon-plus" size="mini" @click="zoomIn"></el-button>
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<el-button class="zoom_btn" style="margin-top: .2rem !important" type="primary" :disabled="!carPosition?.x || !carPosition?.y" icon="el-icon-location" size="mini" @click="centerToCar"></el-button>
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</div>
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</div>
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<div
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v-if="showPopup"
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class="point-popup"
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:style="popupStyle"
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@click.stop
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>
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<el-row type="flex" justify="space-between" class="popup-content" style="border-bottom: 1px solid #fff;">
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<el-col :span="10"><h3>{{$t('Number')}}</h3></el-col>
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<el-col :span="14"><p>{{selectedPoint.station_code}}</p></el-col>
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</el-row>
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<el-row type="flex" justify="space-between" class="popup-content">
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<el-col :span="10"><h3>{{$t('Alias')}}</h3></el-col>
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<el-col :span="14"><p>{{selectedPoint.station_name}}</p></el-col>
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</el-row>
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<el-row type="flex" justify="space-between" class="popup-content">
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<el-col :span="10"><h3>{{$t('XCoordinate')}}</h3></el-col>
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<el-col :span="14"><p>{{ selectedPoint.x }}</p></el-col>
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</el-row>
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<el-row type="flex" justify="space-between" class="popup-content">
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<el-col :span="10"><h3>{{ $t('YCoordinate') }}</h3></el-col>
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<el-col :span="14"><p>{{ selectedPoint.y }}</p></el-col>
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</el-row>
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<el-row type="flex" justify="space-between" class="popup-content">
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<el-col :span="10"><h3>{{$t('AngleValue')}}</h3></el-col>
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<el-col :span="14"><p>{{ selectedPoint.angle }}</p></el-col>
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</el-row>
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</div>
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<div
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v-if="showPathPopup"
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class="point-popup"
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:style="pathPopupStyle"
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@click.stop
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>
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<el-row type="flex" justify="space-between" class="popup-content" style="border-bottom: 1px solid #fff;">
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<el-col :span="10"><h3>{{ $t('PathID') }}</h3></el-col>
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<el-col :span="14"><p>{{selectedPath.route_id}}</p></el-col>
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</el-row>
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<el-row type="flex" justify="space-between" class="popup-content">
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<el-col :span="10"><h3>{{$t('StartCode')}}</h3></el-col>
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<el-col :span="14"><p>{{getStationNameById(selectedPath.start_id)}}</p></el-col>
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</el-row>
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<el-row type="flex" justify="space-between" class="popup-content">
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<el-col :span="10"><h3>{{$t('EndCode')}}</h3></el-col>
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<el-col :span="14"><p>{{getStationNameById(selectedPath.end_id)}}</p></el-col>
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</el-row>
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</div>
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</div>
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</template>
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<script>
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import { throttle } from 'lodash'
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import markerImage from '../../images/new/station.png'
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import carImage from '../../images/new/agv.png'
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import { getMapInfoByCode, getRouteInfo, queryMapAllStation } from '../../config/getData.js'
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import canvasZoomDrag from '../../config/canvasZoomDrag'
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import { mapGetters } from 'vuex'
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export default {
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name: 'ModuleMap',
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data () {
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return {
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canvas: null, // Canvas 元素
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ctx: null, // Canvas 绘图上下文
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mapData: null, // 地图数据
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pathData: null, // 路径数据
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pointData: null, // 点位数据
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showPopup: false,
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selectedPoint: {},
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popupStyle: {left: '0px', top: '0px'},
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selectedPointId: null,
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cachedImages: {
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map: null,
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marker: null,
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car: null
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},
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imageLoadStatus: {
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map: false,
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marker: false,
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car: false
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},
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showPathPopup: false,
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selectedPath: {route_id: null},
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pathPopupStyle: { left: '0px', top: '0px' },
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pathClickThreshold: 5
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}
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},
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computed: {
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...mapGetters(['serverUrl', 'carPosition'])
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},
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watch: {
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carPosition: {
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handler() {
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this.redrawCanvas()
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},
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deep: true
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}
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},
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mixins: [canvasZoomDrag],
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mounted () {
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this.preloadMarkerImage()
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this.preloadCarImage()
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this.loadAllDataInParallel().then(() => {
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this.waitForResourcesReady().then(() => {
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this.centerToCar();
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});
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});
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document.addEventListener('click', this.handleDocumentClick)
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},
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beforeDestroy () {
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document.removeEventListener('click', this.handleDocumentClick)
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},
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methods: {
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waitForResourcesReady() {
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return new Promise((resolve) => {
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const checkReady = () => {
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const isImagesReady = this.imageLoadStatus.map && this.imageLoadStatus.marker && this.imageLoadStatus.car;
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const isCanvasReady = this.canvas && this.ctx;
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if (isImagesReady && isCanvasReady) {
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resolve();
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} else {
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setTimeout(checkReady, 100);
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}
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};
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checkReady();
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});
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},
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preloadCarImage () {
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if (this.cachedImages.car) {
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this.imageLoadStatus.car = true
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return
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}
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const img = new Image()
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img.src = carImage
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img.onload = () => {
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this.cachedImages.car = img
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this.imageLoadStatus.car = true
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this.checkImagesLoadedAndRedraw()
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}
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img.onerror = () => {
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console.error('小车图片加载失败')
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this.imageLoadStatus.car = true
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this.checkImagesLoadedAndRedraw()
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}
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},
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preloadMarkerImage () {
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if (this.cachedImages.marker) {
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this.imageLoadStatus.marker = true
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return
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}
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const img = new Image()
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img.src = markerImage
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img.onload = () => {
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this.cachedImages.marker = img
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this.imageLoadStatus.marker = true
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this.checkImagesLoadedAndRedraw()
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}
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img.onerror = () => {
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console.error('标记图片加载失败')
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this.imageLoadStatus.marker = true
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this.checkImagesLoadedAndRedraw()
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}
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},
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loadMapImage () {
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if (!this.mapData.mapImageAddress) {
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return Promise.reject(new Error('地图数据缺失'))
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}
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if (this.cachedImages.map && this.imageLoadStatus.map) {
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return Promise.resolve(this.cachedImages.map)
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}
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return new Promise((resolve, reject) => {
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const img = new Image()
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img.src = `${this.serverUrl}${this.mapData.mapImageAddress}`
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// img.src = this.mapData.mapImageAddress
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img.onload = () => {
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this.cachedImages.map = img
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this.imageLoadStatus.map = true
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this.checkImagesLoadedAndRedraw()
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resolve(img)
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}
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img.onerror = (error) => {
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console.error('地图图片加载失败:', error)
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this.imageLoadStatus.map = true
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reject(error)
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}
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})
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},
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checkImagesLoadedAndRedraw () {
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if (this.imageLoadStatus.map && this.imageLoadStatus.marker && this.imageLoadStatus.car) {
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this.redrawCanvas()
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}
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},
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async loadAllDataInParallel () {
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try {
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this.loading = this.$loading({
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lock: true,
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spinner: 'el-icon-loading',
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background: 'rgba(0, 0, 0, 0.6)'
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})
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const [mapData, pathData, stations] = await Promise.all([
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this._getMapInfoByCode(),
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this._getRouteInfo(),
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this._queryMapAllStation()
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])
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this.mapData = mapData
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this.pathData = [...pathData]
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this.pointData = this.filterPointData(pathData, stations)
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this.initCanvas()
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await this.loadMapImage()
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this.loading.close()
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return true
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} catch (e) {
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this.$message.error(e.message)
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this.loading.close()
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return false
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}
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},
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async _getMapInfoByCode () {
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try {
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const res = await getMapInfoByCode()
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if (!res) throw new Error('地图信息为空')
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return res
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} catch (e) {
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console.error('获取地图信息失败:', e)
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throw new Error(`获取地图信息失败: ${e.message}`)
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}
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},
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async _getRouteInfo () {
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try {
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const res = await getRouteInfo()
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if (!res) throw new Error('路径信息为空')
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return res
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} catch (e) {
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console.error('获取路径信息失败:', e)
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throw new Error(`获取路径信息失败: ${e.message}`)
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}
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},
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async _queryMapAllStation () {
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try {
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const res = await queryMapAllStation()
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if (!res) throw new Error('站点信息为空')
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return res
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} catch (e) {
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console.error('获取站点信息失败:', e)
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throw new Error(`获取站点信息失败: ${e.message}`)
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}
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},
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filterPointData (routes, stations) {
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const result = []
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const seenStationIds = new Set()
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routes.forEach(route => {
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const startStation = stations.find(s => s.station_id === route.start_id)
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const endStation = stations.find(s => s.station_id === route.end_id)
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if (startStation && !seenStationIds.has(startStation.station_id)) {
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result.push(startStation)
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seenStationIds.add(startStation.station_id)
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}
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if (endStation && !seenStationIds.has(endStation.station_id)) {
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result.push(endStation)
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seenStationIds.add(endStation.station_id)
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}
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})
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return result
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},
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initCanvas () {
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this.canvas = this.$refs.mapCanvas
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this.ctx = this.canvas.getContext('2d')
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this.canvas.width = this.mapData.width
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this.canvas.height = this.mapData.height
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this.redrawCanvas()
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},
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redrawCanvas: throttle(function () {
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if (!this.ctx || !this.mapData) return
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this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height)
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this.ctx.save()
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// 绘制地图背景
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if (this.cachedImages.map) {
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this.ctx.drawImage(
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this.cachedImages.map,
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0, 0,
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this.canvas.width,
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this.canvas.height
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)
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} else {
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this.ctx.fillStyle = '#ccc'
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this.ctx.fillText(this.$t('Mapisload'), 50, 50)
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}
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this.drawPath()
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this.drawMarkers()
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this.drawCar()
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this.ctx.restore()
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}, 30),
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drawPath () {
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if (!this.pathData.length) return
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this.pathData.forEach((point, index) => {
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const startX = (point.start_x - this.mapData.x) / this.mapData.resolution
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const startY = this.mapData.height - (point.start_y - this.mapData.y) / this.mapData.resolution
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const endX = (point.end_x - this.mapData.x) / this.mapData.resolution
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const endY = this.mapData.height - (point.end_y - this.mapData.y) / this.mapData.resolution
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const nextPoint = this.pathData[index + 1];
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let controlX, controlY;
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if (nextPoint) {
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// 有下一个点时，使用当前终点和下一个起点的中点作为控制点
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const nextStartX = (nextPoint.start_x - this.mapData.x) / this.mapData.resolution;
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const nextStartY = this.mapData.height - (nextPoint.start_y - this.mapData.y) / this.mapData.resolution;
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controlX = (endX + nextStartX) / 2;
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controlY = (endY + nextStartY) / 2;
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} else {
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// 最后一个点，使用当前终点作为控制点
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controlX = endX;
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controlY = endY;
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}
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this.ctx.beginPath()
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this.ctx.moveTo(startX, startY)
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this.ctx.quadraticCurveTo(controlX, controlY, endX, endY);
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if (this.selectedPath.route_id === point.route_id) {
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this.ctx.strokeStyle = '#ff5722' // 橙色高亮
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this.ctx.lineWidth = 4
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} else {
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this.ctx.strokeStyle = '#009de5' // 默认蓝色
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this.ctx.lineWidth = 2
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}
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this.ctx.stroke()
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})
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},
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drawMarkers () {
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if (!this.pointData.length) return
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const markerSize = 16 // 标记大小随缩放变化
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this.pointData.forEach(point => {
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const x = (point.x - this.mapData.x) / this.mapData.resolution
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const y = this.mapData.height - (point.y - this.mapData.y) / this.mapData.resolution
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// 绘制选中状态
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if (point.station_id === this.selectedPointId) {
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this.ctx.beginPath()
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this.ctx.arc(x, y, 5, 0, Math.PI * 2)
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this.ctx.fillStyle = '#59ccd2'
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this.ctx.fill()
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} else if (this.cachedImages.marker) {
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this.ctx.drawImage(
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this.cachedImages.marker,
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x - markerSize / 2, // 居中对齐
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y - markerSize / 2,
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markerSize,
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markerSize
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)
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}
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// 绘制点位名称（文字大小随缩放变化）
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if (point.station_type === 'Station') {
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this.ctx.font = '12px Arial'
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this.ctx.fillStyle = '#62fa0a'
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this.ctx.textAlign = 'center'
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this.ctx.fillText(point.station_name, x, y + 22)
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}
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})
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},
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drawCar () {
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if (!this.cachedImages.car || !this.mapData) return
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const carX = (this.carPosition.x - this.mapData.x) / this.mapData.resolution
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const carY = this.mapData.height - (this.carPosition.y - this.mapData.y) / this.mapData.resolution
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this.ctx.save()
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this.ctx.translate(carX, carY)
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this.ctx.rotate(-this.carPosition.angle)
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this.ctx.drawImage(
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this.cachedImages.car,
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-15,
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-15,
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30,
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30
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)
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this.ctx.restore()
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},
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handleCanvasClick (event) {
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const rect = this.canvas.getBoundingClientRect()
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const mouseX = (event.clientX - rect.left) / this.scale
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const mouseY = (event.clientY - rect.top) / this.scale
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// 1. 优先检测点位点击
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let pointClicked = false
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this.pointData.forEach(point => {
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let x = (point.x - this.mapData.x) / this.mapData.resolution
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let y = this.mapData.height - (point.y - this.mapData.y) / this.mapData.resolution
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x = Math.abs(x) === 0 ? 0 : x
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y = Math.abs(y) === 0 ? 0 : y
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// 检查点击位置是否在标记图片内
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if (mouseX >= x - 10 && mouseX <= x + 10 && mouseY >= y - 10 && mouseY <= y + 10) {
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this.handlePointSelect(point, event)
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event.stopPropagation()
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pointClicked = true
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}
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})
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// 2. 只有点位未被点击时，才检测路径点击
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if (!pointClicked) {
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const clickedPath = this.detectPathClick(mouseX, mouseY)
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if (clickedPath) {
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this.handlePathSelect(clickedPath, event)
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event.stopPropagation()
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}
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}
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},
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// 检测路径点击
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detectPathClick (mouseX, mouseY) {
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if (!this.pathData.length) return null
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for (const path of this.pathData) {
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// 计算路径线段的Canvas坐标
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const startX = (path.start_x - this.mapData.x) / this.mapData.resolution
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const startY = this.mapData.height - (path.start_y - this.mapData.y) / this.mapData.resolution
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const endX = (path.end_x - this.mapData.x) / this.mapData.resolution
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const endY = this.mapData.height - (path.end_y - this.mapData.y) / this.mapData.resolution
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// 计算点击点到线段的距离
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const distance = this.pointToLineDistance(
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{ x: mouseX, y: mouseY },
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{ x: startX, y: startY },
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{ x: endX, y: endY }
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)
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// 距离小于阈值则认为点击了该路径
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if (distance <= this.pathClickThreshold) {
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return path
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}
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}
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return null
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},
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// 计算点到线段的最短距离
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pointToLineDistance (point, lineStart, lineEnd) {
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// 线段向量
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const dx = lineEnd.x - lineStart.x
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const dy = lineEnd.y - lineStart.y
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// 线段长度的平方
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const lengthSquared = dx * dx + dy * dy
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// 线段长度为0（起点终点重合），直接返回点到起点的距离
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if (lengthSquared === 0) {
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return Math.hypot(point.x - lineStart.x, point.y - lineStart.y)
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}
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// 计算点击点在投影到线段上的位置比例（0~1之间为在线段上）
|
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let t = ((point.x - lineStart.x) * dx + (point.y - lineStart.y) * dy) / lengthSquared
|
||
t = Math.max(0, Math.min(1, t)) // 限制在0~1范围内
|
||
// 投影点坐标
|
||
const projectionX = lineStart.x + t * dx
|
||
const projectionY = lineStart.y + t * dy
|
||
// 点到投影点的距离
|
||
return Math.hypot(point.x - projectionX, point.y - projectionY)
|
||
},
|
||
handlePointSelect (point, event) {
|
||
this.resetPathSelection()
|
||
if (this.selectedPointId === point.station_id) {
|
||
this.resetSelection()
|
||
} else {
|
||
this.selectedPointId = point.station_id
|
||
this.selectedPoint = point
|
||
this.showPopup = true
|
||
this.calculatePopupPosition(event)
|
||
this.redrawCanvas()
|
||
}
|
||
},
|
||
// 处理路径选中
|
||
handlePathSelect (path, event) {
|
||
// 关闭点位弹窗（避免冲突）
|
||
this.resetPointSelection()
|
||
if (this.selectedPath.route_id === path.route_id) {
|
||
// 再次点击同一路径关闭弹窗
|
||
this.resetPathSelection()
|
||
} else {
|
||
this.selectedPath = path
|
||
this.showPathPopup = true
|
||
this.calculatePathPopupPosition(event)
|
||
this.redrawCanvas() // 高亮显示选中路径
|
||
}
|
||
},
|
||
calculatePopupPosition (event) {
|
||
const popupWidth = 200
|
||
const popupHeight = 180
|
||
let left = event.clientX - 40
|
||
let top = event.clientY - 150
|
||
|
||
// 限制弹窗在窗口可视范围内
|
||
left = Math.max(10, Math.min(left, window.innerWidth - popupWidth - 10))
|
||
top = Math.max(10, Math.min(top, window.innerHeight - popupHeight - 10))
|
||
|
||
this.popupStyle = { left: `${left}px`, top: `${top}px` }
|
||
},
|
||
// 计算路径弹窗位置
|
||
calculatePathPopupPosition (event) {
|
||
const popupWidth = 160
|
||
const popupHeight = 100
|
||
let left = event.clientX - 40
|
||
let top = event.clientY - 120
|
||
// 限制弹窗在窗口可视范围内
|
||
left = Math.max(10, Math.min(left, window.innerWidth - popupWidth - 10))
|
||
top = Math.max(10, Math.min(top, window.innerHeight - popupHeight - 10))
|
||
this.pathPopupStyle = { left: `${left}px`, top: `${top}px` }
|
||
},
|
||
handleDocumentClick () {
|
||
this.resetSelection()
|
||
},
|
||
resetPointSelection () {
|
||
if (this.selectedPointId) {
|
||
this.selectedPointId = null
|
||
this.selectedPoint = null
|
||
this.showPopup = false
|
||
}
|
||
},
|
||
// 重置路径选中状态
|
||
resetPathSelection () {
|
||
if (this.selectedPath) {
|
||
this.selectedPath = {route_id: null}
|
||
this.showPathPopup = false
|
||
}
|
||
},
|
||
resetSelection () {
|
||
this.resetPointSelection()
|
||
this.resetPathSelection()
|
||
this.redrawCanvas()
|
||
},
|
||
getStationNameById (stationId) {
|
||
if (!stationId || !this.pointData || !this.pointData.length) return null
|
||
const station = this.pointData.find(point => point.station_id === stationId)
|
||
return station ? station.station_name : null
|
||
}
|
||
}
|
||
}
|
||
</script>
|
||
|
||
<style lang="stylus" scoped>
|
||
.canvas-container
|
||
position relative
|
||
display flex
|
||
justify-content: center;
|
||
align-items: center;
|
||
height 100%
|
||
background-color rgba(4, 33, 58, 70%)
|
||
box-shadow inset 1px 1px 7px 2px #4d9bcd
|
||
overflow hidden
|
||
.point-popup
|
||
position fixed
|
||
background rgba(0, 0, 0, 70%)
|
||
border 1px solid rgba(255, 255, 255, .3)
|
||
border-radius: 8px;
|
||
padding 10px
|
||
box-shadow 0 0px 4px 2px rgba(255,255,255,0.1)
|
||
z-index 100
|
||
min-width 160px
|
||
animation fadeIn 0.2s ease-out
|
||
h3
|
||
color #fff
|
||
font-size 14px
|
||
line-height 24px
|
||
text-align center
|
||
p
|
||
color #fff
|
||
font-size 14px
|
||
line-height 24px
|
||
text-align center
|
||
@keyframes fadeIn {
|
||
from { opacity: 0; transform: translateY(5px); }
|
||
to { opacity: 1; transform: translateY(0); }
|
||
}
|
||
.enClass
|
||
.point-popup
|
||
min-width 240px
|
||
</style>
|