mapcomplete/UI/SearchAndGo.ts

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import {UIElement} from "./UIElement";
import {TextField} from "./Base/TextField";
import {UIEventSource} from "./UIEventSource";
import {FixedUiElement} from "./Base/FixedUiElement";
import {Geocoding} from "../Logic/Geocoding";
import {Basemap} from "../Logic/Basemap";
export class SearchAndGo extends UIElement {
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private _placeholder = new UIEventSource("Zoek naar een locatie...")
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private _searchField = new TextField(this._placeholder);
private _foundEntries = new UIEventSource([]);
private _map: Basemap;
private _goButton = new FixedUiElement("<img class='search-go' src='./assets/search.svg' alt='GO'>");
constructor(map: Basemap) {
super(undefined);
this._map = map;
this.ListenTo(this._foundEntries);
const self = this;
this._searchField.enterPressed.addCallback(() => {
self.RunSearch();
});
this._goButton.onClick(function () {
self.RunSearch();
});
}
// Triggered by 'enter' or onclick
private RunSearch() {
const searchString = this._searchField.value.data;
this._searchField.Clear();
this._placeholder.setData("Bezig met zoeken...");
const self = this;
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Geocoding.Search(searchString, this._map, (result) => {
if (result.length == 0) {
this._placeholder.setData("Niets gevonden");
return;
}
const bb = result[0].boundingbox;
const bounds = [
[bb[0], bb[2]],
[bb[1], bb[3]]
]
self._map.map.fitBounds(bounds);
this._placeholder.setData("Zoek naar een locatie...");
},
() => {
this._placeholder.setData("Niets gevonden: er ging iets mis");
});
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}
protected InnerRender(): string {
// "<img class='search' src='./assets/search.svg' alt='Search'> " +
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return this._searchField.Render() +
this._goButton.Render();
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}
Update() {
super.Update();
this._searchField.Update();
this._goButton.Update();
}
Activate() {
super.Activate();
this._searchField.Activate();
this._goButton.Activate();
}
}