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import { GoogleApiWrapper, Map as GeoMap, IMapProps, Marker } from "google-maps-react";
import { observer } from "mobx-react";
import { Doc, Opt, DocListCast, FieldResult, Field } from "../../../fields/Doc";
import { documentSchema } from "../../../fields/documentSchemas";
import { Id } from "../../../fields/FieldSymbols";
import { makeInterface } from "../../../fields/Schema";
import { Cast, NumCast, ScriptCast, StrCast } from "../../../fields/Types";
import "./CollectionMapView.scss";
import { CollectionSubView } from "./CollectionSubView";
import React = require("react");
import { DocumentManager } from "../../util/DocumentManager";
import { UndoManager, undoBatch } from "../../util/UndoManager";
import { computed, runInAction, Lambda, action } from "mobx";
import requestPromise = require("request-promise");
type MapSchema = makeInterface<[typeof documentSchema]>;
const MapSchema = makeInterface(documentSchema);
export type LocationData = google.maps.LatLngLiteral & {
address?: string
resolvedAddress?: string;
zoom?: number;
};
interface DocLatLng {
lat: FieldResult<Field>;
lng: FieldResult<Field>;
}
// Nowhere, Oklahoma
const defaultLocation = { lat: 35.1592238, lng: -98.444512, zoom: 15 };
const noResults = "ZERO_RESULTS";
const query = async (data: string | google.maps.LatLngLiteral) => {
const contents = typeof data === "string" ? `address=${data.replace(/\s+/g, "+")}` : `latlng=${data.lat},${data.lng}`;
const target = `https://maps.googleapis.com/maps/api/geocode/json?${contents}&key=${process.env.GOOGLE_MAPS_GEO}`;
try {
return JSON.parse(await requestPromise.get(target));
} catch {
return undefined;
}
};
@observer
export class CollectionMapView extends CollectionSubView<MapSchema, Partial<IMapProps> & { google: any }>(MapSchema) {
private _cancelAddrReq = new Map<string, boolean>();
private _cancelLocReq = new Map<string, boolean>();
private _initialLookupPending = new Map<string, boolean>();
private responders: { locationDisposer: Lambda, addressDisposer: Lambda }[] = [];
/**
* Note that all the uses of runInAction below are not included
* as a way to update observables (documents handle this already
* in their property setters), but rather to create a single bulk
* update and thus prevent uneeded invocations of the location-
* and address–updating reactions.
*/
private getLocation = (doc: Opt<Doc>, fieldKey: string, returnDefault: boolean = true): Opt<LocationData> => {
if (doc) {
const titleLoc = StrCast(doc.title).startsWith("@") ? StrCast(doc.title).substring(1) : undefined;
const lat = Cast(doc[`${fieldKey}-lat`], "number", null) || (Cast(doc[`${fieldKey}-lat`], "string", null) && Number(Cast(doc[`${fieldKey}-lat`], "string", null))) || undefined;
const lng = Cast(doc[`${fieldKey}-lng`], "number", null) || (Cast(doc[`${fieldKey}-lng`], "string", null) && Number(Cast(doc[`${fieldKey}-lng`], "string", null))) || undefined;
const zoom = Cast(doc[`${fieldKey}-zoom`], "number", null) || (Cast(doc[`${fieldKey}-zoom`], "string", null) && Number(Cast(doc[`${fieldKey}-zoom`], "string", null))) || undefined;
const address = titleLoc || StrCast(doc[`${fieldKey}-address`], StrCast(doc.title).replace(/^-/, ""));
if (titleLoc || (address && (lat === undefined || lng === undefined))) {
const id = doc[Id];
if (!this._initialLookupPending.get(id)) {
this._initialLookupPending.set(id, true);
setTimeout(() => {
titleLoc && Doc.SetInPlace(doc, `${fieldKey}-address`, titleLoc, true);
this.respondToAddressChange(doc, fieldKey, address).then(() => this._initialLookupPending.delete(id));
});
}
}
return (lat === undefined || lng === undefined) ? (returnDefault ? defaultLocation : undefined) : { lat, lng, zoom };
}
return undefined;
}
private markerClick = async (layout: Doc, { lat, lng, zoom }: LocationData) => {
const batch = UndoManager.StartBatch("marker click");
const { fieldKey } = this.props;
runInAction(() => {
this.layoutDoc[`${fieldKey}-mapCenter-lat`] = lat;
this.layoutDoc[`${fieldKey}-mapCenter-lng`] = lng;
zoom && (this.layoutDoc[`${fieldKey}-mapCenter-zoom`] = zoom);
});
if (layout.isLinkButton && DocListCast(layout.links).length) {
await DocumentManager.Instance.FollowLink(undefined, layout, (doc: Doc, where: string, finished?: () => void) => {
this.props.addDocTab(doc, where);
finished?.();
}, false, this.props.ContainingCollectionDoc, batch.end, undefined);
} else {
ScriptCast(layout.onClick)?.script.run({ this: layout, self: Cast(layout.rootDocument, Doc, null) || layout });
batch.end();
}
}
private renderMarkerIcon = (layout: Doc) => {
const { Document } = this.props;
const fieldKey = Doc.LayoutFieldKey(layout);
const iconUrl = StrCast(layout.mapIconUrl, StrCast(Document.mapIconUrl));
if (iconUrl) {
const iconWidth = NumCast(layout[`${fieldKey}-iconWidth`], 45);
const iconHeight = NumCast(layout[`${fieldKey}-iconHeight`], 45);
const iconSize = new google.maps.Size(iconWidth, iconHeight);
return {
size: iconSize,
scaledSize: iconSize,
url: iconUrl
};
}
}
private renderMarker = (layout: Doc, fieldKey?: string) => {
const location = this.getLocation(layout, fieldKey || Doc.LayoutFieldKey(layout));
return !location ? (null) :
<Marker
key={layout[Id]}
label={StrCast(layout[`${this.props.fieldKey}-address`])}
position={location}
onClick={() => this.markerClick(layout, location)}
icon={this.renderMarkerIcon(layout)}
/>;
}
private respondToAddressChange = async (doc: Doc, fieldKey: string, newAddress: string, oldAddress?: string) => {
if (newAddress === oldAddress) {
return false;
}
const response = await query(newAddress);
const id = doc[Id];
if (!response || response.status === noResults) {
this._cancelAddrReq.set(id, true);
doc[`${fieldKey}-address`] = oldAddress;
return false;
}
const { geometry, formatted_address } = response.results[0];
const { lat, lng } = geometry.location;
runInAction(() => {
if (doc[`${fieldKey}-lat`] !== lat || doc[`${fieldKey}-lng`] !== lng) {
this._cancelLocReq.set(id, true);
Doc.SetInPlace(doc, `${fieldKey}-lat`, lat, true);
Doc.SetInPlace(doc, `${fieldKey}-lng`, lng, true);
}
if (formatted_address !== newAddress) {
this._cancelAddrReq.set(id, true);
Doc.SetInPlace(doc, `${fieldKey}-address`, formatted_address, true);
}
});
return true;
}
private respondToLocationChange = async (doc: Doc, fieldKey: string, newLatLng: DocLatLng, oldLatLng: Opt<DocLatLng>) => {
if (newLatLng === oldLatLng) {
return false;
}
const response = await query({ lat: NumCast(newLatLng.lat), lng: NumCast(newLatLng.lng) });
const id = doc[Id];
if (!response || response.status === noResults) {
this._cancelLocReq.set(id, true);
runInAction(() => {
doc[`${fieldKey}-lat`] = oldLatLng?.lat;
doc[`${fieldKey}-lng`] = oldLatLng?.lng;
});
return false;
}
const { formatted_address } = response.results[0];
if (formatted_address !== doc[`${fieldKey}-address`]) {
this._cancelAddrReq.set(doc[Id], true);
Doc.SetInPlace(doc, `${fieldKey}-address`, formatted_address, true);
}
return true;
}
@computed get reactiveContents() {
this.responders.forEach(({ locationDisposer, addressDisposer }) => {
locationDisposer();
addressDisposer();
});
this.responders = [];
return this.childLayoutPairs.map(({ layout }) => {
const fieldKey = Doc.LayoutFieldKey(layout);
const id = layout[Id];
this.responders.push({
locationDisposer: computed(() => ({ lat: layout[`${fieldKey}-lat`], lng: layout[`${fieldKey}-lng`] }))
.observe(({ oldValue, newValue }) => {
if (this._cancelLocReq.get(id)) {
this._cancelLocReq.set(id, false);
} else if (newValue.lat !== undefined && newValue.lng !== undefined) {
this.respondToLocationChange(layout, fieldKey, newValue, oldValue);
}
}),
addressDisposer: computed(() => Cast(layout[`${fieldKey}-address`], "string", null))
.observe(({ oldValue, newValue }) => {
if (this._cancelAddrReq.get(id)) {
this._cancelAddrReq.set(id, false);
} else if (newValue?.length) {
this.respondToAddressChange(layout, fieldKey, newValue, oldValue);
}
})
});
return this.renderMarker(layout);
});
}
render() {
const { childLayoutPairs } = this;
const { Document, fieldKey, active, google } = this.props;
const mapLoc = this.getLocation(this.rootDoc, `${fieldKey}-mapCenter`, false);
let center = mapLoc;
if (center === undefined) {
const childLocations = childLayoutPairs.map(({ layout }) => this.getLocation(layout, Doc.LayoutFieldKey(layout), false));
center = childLocations.find(location => location) || defaultLocation;
}
return <div className="collectionMapView" ref={this.createDashEventsTarget}>
<div className={"collectionMapView-contents"}
style={{ pointerEvents: active() ? undefined : "none" }}
onWheel={e => e.stopPropagation()}
onPointerDown={e => (e.button === 0 && !e.ctrlKey) && e.stopPropagation()} >
<GeoMap
google={google}
zoom={center.zoom || 10}
initialCenter={center}
center={center}
onIdle={(_props?: IMapProps, map?: google.maps.Map) => {
if (this.layoutDoc._lockedTransform) {
// reset zoom (ideally, we could probably can tell the map to disallow zooming somehow instead)
map?.setZoom(center?.zoom || 10);
map?.setCenter({ lat: center?.lat!, lng: center?.lng! });
} else {
const zoom = map?.getZoom();
(center?.zoom !== zoom) && undoBatch(action(() => {
Document[`${fieldKey}-mapCenter-zoom`] = zoom;
}))();
}
}}
onDragend={(_props?: IMapProps, map?: google.maps.Map) => {
if (this.layoutDoc._lockedTransform) {
// reset the drag (ideally, we could probably can tell the map to disallow dragging somehow instead)
map?.setCenter({ lat: center?.lat!, lng: center?.lng! });
} else {
undoBatch(action(({ lat, lng }) => {
Document[`${fieldKey}-mapCenter-lat`] = lat();
Document[`${fieldKey}-mapCenter-lng`] = lng();
}))(map?.getCenter());
}
}}
>
{this.reactiveContents}
{mapLoc && StrCast(this.rootDoc[`${fieldKey}-mapCenter-address`]) ? this.renderMarker(this.rootDoc, `${fieldKey}-mapCenter`) : undefined}
</GeoMap>
</div>
</div>;
}
}
export default GoogleApiWrapper({
apiKey: process.env.GOOGLE_MAPS!,
LoadingContainer: () => {
console.log(process.env.GOOGLE_MAPS);
return <div className={"loadingWrapper"}>
<img className={"loadingGif"} src={"/assets/loading.gif"} />
</div>;
}
})(CollectionMapView) as any;
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