Revize 91fd3fa6
Přidáno uživatelem Václav Honzík před asi 2 roky(ů)
frontend/src/features/TrackingTool/TrackingTool.tsx | ||
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8 | 8 |
Stack, |
9 | 9 |
Typography, |
10 | 10 |
} from '@mui/material' |
11 |
import { Fragment, useState } from 'react' |
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import { Fragment, useEffect, useState } from 'react'
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|
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import AddIcon from '@mui/icons-material/Add' |
13 | 13 |
import { MapContainer, Marker, Polyline, Popup, TileLayer } from 'react-leaflet' |
14 | 14 |
import mapConfig from '../../config/mapConfig' |
... | ... | |
19 | 19 |
import DeleteIcon from '@mui/icons-material/Delete' |
20 | 20 |
import { PathDto } from '../../swagger/data-contracts' |
21 | 21 |
import { formatHtmlStringToReactDom } from '../../utils/formatting/HtmlUtils' |
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import buildPathVariants, { PathVariant } from './buildPathVariants' |
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22 | 23 |
|
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// Page with tracking tool |
24 | 25 |
const TrackingTool = () => { |
25 | 26 |
// Path response from the API |
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const [pathDto, setPathDto] = useState<PathDto | undefined>(undefined) |
27 | 28 |
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const createDummyPathCoords = () => { |
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// Sample dummy path to display |
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const dummyPath = [] |
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for (let i = 0; i < 10; i += 1) { |
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dummyPath.push({ |
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latitude: |
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mapConfig.defaultCoordinates[0] + |
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i * 0.1 + |
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Math.random() * 0.1, |
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longitude: |
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mapConfig.defaultCoordinates[1] + |
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i * 0.1 + |
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Math.random() * 0.1, |
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}) |
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} |
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return dummyPath |
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} |
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// Whether the path variants are building |
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const [buildingPathVariants, setBuildingPathVariants] = |
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useState<boolean>(false) |
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const createDummyPath = () => { |
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const coords = createDummyPathCoords() |
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const polylines: any[] = [] |
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// List of all computed path variants |
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const [pathVariants, setPathVariants] = useState<PathVariant[] | undefined>( |
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undefined |
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) |
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if (coords.length < 2) { |
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return [] |
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} |
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// List of all rendered paths to display |
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const [renderedPaths, setRenderedPaths] = useState<any[]>([]) |
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53 | 40 |
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for (let i = 0; i < coords.length - 1; i += 1) { |
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polylines.push( |
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<TextPath |
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positions={[ |
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[coords[i].latitude, coords[i].longitude], |
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[coords[i + 1].latitude, coords[i + 1].longitude], |
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]} |
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text="►" |
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attributes={{ |
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'font-size': 25, |
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fill: 'blue', |
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}} |
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repeat |
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center |
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weight={10} |
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></TextPath> |
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) |
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} |
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const [mapCenter, setMapCenter] = useState<number[]>([ |
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mapConfig.defaultCoordinates[0], |
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mapConfig.defaultCoordinates[1], |
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]) |
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|
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// Returns tuple of average latitude and longitude |
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const calculateMapCenter = (pathVariant: PathVariant) => [ |
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pathVariant |
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.map((item) => item.latitude ?? 0) |
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.reduce((a, b) => a + b, 0) / pathVariant.length, |
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pathVariant |
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.map((item) => item.longitude ?? 0) |
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.reduce((a, b) => a + b, 0) / pathVariant.length, |
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] |
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return [polylines, coords] |
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} |
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useEffect(() => { |
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if (!pathDto) { |
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return |
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} |
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const [polylines, coords] = createDummyPath() |
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setBuildingPathVariants(true) |
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buildPathVariants(pathDto).then((pathVariants) => { |
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setPathVariants(pathVariants) |
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setBuildingPathVariants(false) |
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const paths: any[] = [] |
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let first = true |
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pathVariants?.forEach((pathVariant) => { |
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if (first) { |
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setMapCenter(calculateMapCenter(pathVariant)) |
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} |
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for (let i = 0; i < pathVariant.length - 1; i++) { |
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paths.push( |
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<TextPath |
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positions={[ |
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[ |
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pathVariant[i].latitude, |
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pathVariant[i].longitude, |
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], |
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[ |
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pathVariant[i + 1].latitude, |
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pathVariant[i + 1].longitude, |
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], |
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]} |
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text="►" |
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attributes={{ |
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'font-size': 25, |
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fill: first ? 'blue' : 'gray', |
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}} |
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repeat |
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center |
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weight={10} |
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/> |
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) |
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} |
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first = false |
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}) |
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console.log(paths) |
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setRenderedPaths(paths) |
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}) |
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}, [pathDto]) |
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|
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return ( |
79 | 103 |
<Fragment> |
... | ... | |
146 | 170 |
}} |
147 | 171 |
> |
148 | 172 |
<MapContainer |
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center={[ |
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mapConfig.defaultCoordinates[0], |
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mapConfig.defaultCoordinates[1], |
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]} |
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center={[mapCenter[0], mapCenter[1]]} |
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zoom={mapConfig.defaultZoom} |
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style={{ height: '100%', minHeight: '100%' }} |
155 | 176 |
> |
... | ... | |
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attribution={mapConfig.attribution} |
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url={mapConfig.url} |
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/> |
160 |
{coords.map(({ latitude, longitude }, idx) => ( |
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<Marker position={[latitude, longitude]} /> |
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))} |
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{polylines} |
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{renderedPaths} |
|
164 | 182 |
</MapContainer> |
165 | 183 |
</Grid> |
166 | 184 |
</Grid> |
Také k dispozici: Unified diff
Nonrecursive algorithm for path building + path rendering on map
re #9629