Download button: take advantage of MVT server, download button will now attempt to download everything

This commit is contained in:
Pieter Vander Vennet 2024-02-21 16:35:49 +01:00
parent bccda67e1c
commit e4eb8d6b52
21 changed files with 453 additions and 353 deletions

View file

@ -1,18 +1,20 @@
import { Store, UIEventSource } from "../../UIEventSource"
import { FeatureSource, IndexedFeatureSource } from "../FeatureSource"
import { FeatureSource, IndexedFeatureSource, UpdatableFeatureSource } from "../FeatureSource"
import { Feature } from "geojson"
import { Utils } from "../../../Utils"
import DynamicTileSource from "../TiledFeatureSource/DynamicTileSource"
/**
* The featureSourceMerger receives complete geometries from various sources.
* If multiple sources contain the same object (as determined by 'id'), only one copy of them is retained
*/
export default class FeatureSourceMerger<Src extends FeatureSource = FeatureSource> implements IndexedFeatureSource {
export default class FeatureSourceMerger<Src extends FeatureSource = FeatureSource>
implements IndexedFeatureSource
{
public features: UIEventSource<Feature[]> = new UIEventSource([])
public readonly featuresById: Store<Map<string, Feature>>
protected readonly _featuresById: UIEventSource<Map<string, Feature>>
private readonly _sources: Src[] = []
protected readonly _sources: Src[]
/**
* Merges features from different featureSources.
* In case that multiple features have the same id, the latest `_version_number` will be used. Otherwise, we will take the last one
@ -27,22 +29,25 @@ export default class FeatureSourceMerger<Src extends FeatureSource = FeatureSour
self.addDataFromSources(sources)
})
}
this.addDataFromSources(sources)
this._sources = sources
this.addDataFromSources(sources)
}
public addSource(source: Src) {
if (!source) {
return
}
if (!source.features) {
console.error("No source found in", source)
}
this._sources.push(source)
source.features.addCallbackAndRun(() => {
this.addDataFromSources(this._sources)
})
}
protected addDataFromSources(sources: Src[]){
this.addData(sources.map(s => s.features.data))
protected addDataFromSources(sources: Src[]) {
this.addData(sources.map((s) => s.features.data))
}
protected addData(sources: Feature[][]) {
@ -93,3 +98,17 @@ export default class FeatureSourceMerger<Src extends FeatureSource = FeatureSour
this._featuresById.setData(all)
}
}
export class UpdatableFeatureSourceMerger<
Src extends UpdatableFeatureSource = UpdatableFeatureSource
>
extends FeatureSourceMerger<Src>
implements IndexedFeatureSource, UpdatableFeatureSource
{
constructor(...sources: Src[]) {
super(...sources)
}
async updateAsync() {
await Promise.all(this._sources.map((src) => src.updateAsync()))
}
}