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Implemented the initial version of the map needed to specify the loca…
…tion of an event
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
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| export async function getLocationMatches(query){ | ||
| return await fetch("https://nominatim.openstreetmap.org/search?q="+query+"&limit=5&format=json") | ||
| .then(response=>response.json()) | ||
| .then(r=>r.map(d=>({lat:d.lat,lng:d.lon,name:d.display_name}))) | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| import 'leaflet/dist/leaflet.css'; | ||
| import {MapContainer, TileLayer, Marker, Popup, useMap} from 'react-leaflet'; | ||
| import * as React from "react"; | ||
| import {useMemo, useRef, useState} from "react"; | ||
| import "leaflet/dist/images/marker-shadow.png"; | ||
| import "leaflet/dist/images/marker-icon-2x.png"; | ||
| import L from 'leaflet'; | ||
| import icon from 'leaflet/dist/images/marker-icon.png'; | ||
| import iconShadow from 'leaflet/dist/images/marker-shadow.png'; | ||
| import {Autocomplete} from "@mui/lab"; | ||
| import {TextField} from "@mui/material"; | ||
| import {getLocationMatches} from "../../Controllers/GeocodingController"; | ||
|
|
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| export default function MapWithMarker() { | ||
| let DefaultIcon = L.icon({ | ||
| iconUrl: icon, | ||
| shadowUrl: iconShadow | ||
| }); | ||
| L.Marker.prototype.options.icon = DefaultIcon; | ||
| const centerValue = { | ||
| lat:41.0082, | ||
| lng:28.9784 | ||
| } | ||
| const [location, setLocation] = useState(null); | ||
| const [locationText, setLocationText] = useState(""); | ||
| const [locations, setLocations] = React.useState([{}]); | ||
| const [position, setPosition] = useState(centerValue); | ||
| const markerRef = useRef(null); | ||
| const eventHandlers = useMemo( | ||
| () => ({ | ||
| dragend() { | ||
| const marker = markerRef.current | ||
| if (marker != null) { | ||
| setPosition(marker.getLatLng()) | ||
| } | ||
| }, | ||
| }), | ||
| [], | ||
| ) | ||
|
|
||
| function SetViewOnClick({ coords }) { | ||
| const map = useMap(); | ||
| map.setView(coords, map.getZoom()); | ||
| console.log(position) | ||
| return null; | ||
| } | ||
| const handleLocationSearch = (event,inputQuery) => { | ||
| setLocationText(inputQuery) | ||
| if(inputQuery&&inputQuery.length>=3){ | ||
| getLocationMatches(inputQuery).then(results=> { | ||
| setLocations(results) | ||
| } | ||
| ) | ||
| } | ||
| else{ | ||
| setLocations([]) | ||
| } | ||
| } | ||
| const selectLocation = (input) => { | ||
| let coords = {lat:input.lat, lng:input.lng} | ||
| setPosition(coords) | ||
| } | ||
| return ( | ||
| <div> | ||
| <Autocomplete | ||
| value={location} | ||
| inputValue={locationText} | ||
| options={locations} | ||
| getOptionLabel={d=>d.name ||""} | ||
| filterOptions={(x)=>x} | ||
| onChange={(event, value) =>value ? selectLocation(value) : selectLocation(event.target.value)} | ||
| onInputChange={handleLocationSearch} | ||
| renderInput={params => { | ||
| return ( | ||
| <TextField {...params} id="location" fullWidth label="Event Location" placeholder="Search for city, district, street..." size="small" variant="outlined" | ||
| style={{marginTop: 10, marginBottom: 10}} value={locationText|""}></TextField> | ||
| )}} /> | ||
| <div id="map"> | ||
| <MapContainer style={{width: "100%", height: "70vh"}} center={centerValue} zoom={13} | ||
| scrollWheelZoom={false} attributionControl={false}> | ||
| <TileLayer | ||
| attribution='© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors' | ||
| url="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png" | ||
| /> | ||
| <Marker | ||
| position={position} | ||
| draggable={"true"} | ||
| ref={markerRef} | ||
| eventHandlers={eventHandlers}> | ||
| <SetViewOnClick coords={position}/> | ||
| </Marker> | ||
| </MapContainer> | ||
| </div> | ||
| </div>); | ||
| } |
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