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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| import { useState, useCallback } from "react"; | ||
| import classNames from "classnames"; | ||
| import { FontAwesomeIcon } from "@fortawesome/react-fontawesome"; | ||
| import { faSearch } from "@fortawesome/free-solid-svg-icons"; | ||
| import { useMap } from "react-map-gl/maplibre"; | ||
| import debounce from "lodash/debounce"; | ||
| import isEmpty from "lodash/isEmpty"; | ||
| import ReactHtmlParser from "react-html-parser"; | ||
|
|
||
| const BASE_URL = "https://api3.geo.admin.ch/rest/services/api/SearchServer"; | ||
|
|
||
| interface SearchResult { | ||
| bbox: number[]; | ||
| features: SearchFeature[]; | ||
| } | ||
|
|
||
| interface SearchFeature { | ||
| bbox: number[]; | ||
| geometry: { | ||
| coordinates: number[]; | ||
| type: string; | ||
| }; | ||
| id: number | string; | ||
| properties: { | ||
| detail: string; | ||
| label: string; | ||
| rank: number; | ||
| type: string; | ||
| geom_quadindex: string; | ||
| lat: number; | ||
| lon: number; | ||
| objectclass: string; | ||
| origin: string; | ||
| weight: number; | ||
| x: number; | ||
| y: number; | ||
| zoomlevel: number; | ||
| }; | ||
| } | ||
|
|
||
| function SearchControl() { | ||
| const { current: map } = useMap(); | ||
| const [searchResults, setSearchResults] = useState<SearchFeature[]>([]); | ||
| const [input, setInput] = useState<string>(""); | ||
|
|
||
| const flyTo = useCallback( | ||
| (target: SearchFeature) => { | ||
| map?.flyTo({ | ||
| center: [target.properties.lon, target.properties.lat], | ||
| zoom: 17, | ||
| animate: true, | ||
| duration: 2500, | ||
| }); | ||
| setSearchResults([]); | ||
| setInput(""); | ||
| }, | ||
| [map], | ||
| ); | ||
|
|
||
| const search = (input: string) => { | ||
| fetch( | ||
| BASE_URL + | ||
| "?" + | ||
| new URLSearchParams({ | ||
| searchText: input, | ||
| type: "locations", | ||
| geometryFormat: "geojson", | ||
| origins: "address,gazetteer,parcel", | ||
| limit: "10", | ||
| }), | ||
| ) | ||
| .then((response) => response.json()) | ||
| .then((data) => { | ||
| const searchResult: SearchResult = { | ||
| bbox: data.bbox, | ||
| features: data.features, | ||
| }; | ||
| setSearchResults(searchResult.features); | ||
| }); | ||
| }; | ||
| const debouncedSearch = debounce(search, 1000); | ||
|
|
||
| const onChange = (e: React.ChangeEvent<HTMLInputElement>) => { | ||
| const value = e.target.value; | ||
| setInput(value); | ||
| debouncedSearch(value); | ||
| }; | ||
|
|
||
| const dropdown = classNames({ | ||
| dropdown: true, | ||
| "is-active": !isEmpty(searchResults), | ||
| }); | ||
|
|
||
| return ( | ||
| <div className="is-flex is-justify-content-center is-align-content-center mt-3"> | ||
| <div className={dropdown}> | ||
| <div className="dropdown-trigger"> | ||
| <div className="field has-addons"> | ||
| <div className="control is-expanded has-icons-left"> | ||
| <span className="icon is-left"> | ||
| <FontAwesomeIcon icon={faSearch} /> | ||
| </span> | ||
| <input | ||
| className="input" | ||
| type="search" | ||
| value={input} | ||
| placeholder="" | ||
| onChange={onChange} | ||
| onKeyDown={(e) => e.key === "Enter" && search(input)} | ||
| /> | ||
| </div> | ||
| </div> | ||
| <div className="dropdown-menu" id="dropdown-menu"> | ||
| <div className="dropdown-content"> | ||
| {searchResults && | ||
| searchResults.map((result: SearchFeature) => ( | ||
| <a onClick={() => flyTo(result)} key={result.id} className="dropdown-item"> | ||
| {ReactHtmlParser(result.properties.label)} | ||
| </a> | ||
| ))} | ||
| </div> | ||
| </div> | ||
| </div> | ||
| </div> | ||
| </div> | ||
| ); | ||
| } | ||
|
|
||
| export default SearchControl; |
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