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loading class #339

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loading class #339

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12 changes: 10 additions & 2 deletions react/src/components/map.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -21,8 +21,12 @@ export interface MapGenericProps {

export type Polygons = Readonly<[string[], Record<string, unknown>[], Record<string, unknown>[], number]>

interface MapState {
loading: boolean
}

// eslint-disable-next-line prefer-function-component/prefer-function-component -- TODO: Maps don't support function components yet.
export class MapGeneric<P extends MapGenericProps> extends React.Component<P> {
export class MapGeneric<P extends MapGenericProps> extends React.Component<P, MapState> {
private polygon_by_name = new Map<string, L.FeatureGroup>()
private delta = 0.25
private version = 0
Expand All @@ -36,11 +40,12 @@ export class MapGeneric<P extends MapGenericProps> extends React.Component<P> {
constructor(props: P) {
super(props)
this.id = `map-${Math.random().toString(36).substring(2)}`
this.state = { loading: true }
}

override render(): ReactNode {
return (
<div className="map-container-for-testing">
<div className={`map-container-for-testing${this.state.loading ? ' map-container-loading-for-testing' : ''}`}>
<div id={this.id} className="map" style={{ background: '#fff8f0', height: this.props.height ?? 400 }}>
{/* place this on the right of the map */}
<div style={
Expand Down Expand Up @@ -202,6 +207,8 @@ export class MapGeneric<P extends MapGenericProps> extends React.Component<P> {
}

async updateFn(): Promise<void> {
this.setState({ loading: true })

const map = this.map!
this.exist_this_time = []

Expand All @@ -220,6 +227,7 @@ export class MapGeneric<P extends MapGenericProps> extends React.Component<P> {
this.polygon_by_name.delete(name)
}
}
this.setState({ loading: false })
}

attachBasemap(): void {
Expand Down