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More refactoring of the featuresources, cleanup, small changes

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Pieter Vander Vennet 2021-09-21 01:47:58 +02:00
parent d144f70ffb
commit c11ff652b8
7 changed files with 121 additions and 79 deletions
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45
Logic/FeatureSource/TiledFeatureSource/TileHierarchyMerger.ts Normal file
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import TileHierarchy from "./TiledFeatureSource/TileHierarchy";
import FeatureSource, {FeatureSourceForLayer, Tiled} from "./FeatureSource";
import {UIEventSource} from "../UIEventSource";
import FilteredLayer from "../../Models/FilteredLayer";
import FeatureSourceMerger from "./Sources/FeatureSourceMerger";
import {BBox} from "../GeoOperations";
import {Utils} from "../../Utils";
export class TileHierarchyMerger implements TileHierarchy<FeatureSourceForLayer & Tiled> {
public readonly loadedTiles: Map<number, FeatureSourceForLayer & Tiled> = new Map<number, FeatureSourceForLayer & Tiled>();
private readonly sources: Map<number, UIEventSource<FeatureSource[]>> = new Map<number, UIEventSource<FeatureSource[]>>();
public readonly layer: FilteredLayer;
private _handleTile: (src: FeatureSourceForLayer, index: number) => void;
constructor(layer: FilteredLayer, handleTile: (src: FeatureSourceForLayer, index: number) => void) {
this.layer = layer;
this._handleTile = handleTile;
}
/**
* Add another feature source for the given tile.
* Entries for this tile will be merged
* @param src
* @param index
*/
public registerTile(src: FeatureSource, index: number) {
if (this.sources.has(index)) {
const sources = this.sources.get(index)
sources.data.push(src)
sources.ping()
return;
}
// We have to setup
const sources = new UIEventSource<FeatureSource[]>([src])
this.sources.set(index, sources)
const merger = new FeatureSourceMerger(this.layer, index, BBox.fromTile(...Utils.tile_from_index(index)), sources)
this.loadedTiles.set(index, merger)
this._handleTile(merger, index)
}
}