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Better tracking of cached data, only load data if needed

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This commit is contained in:
Pieter Vander Vennet 2021-09-30 04:13:23 +02:00
parent 32cbd6e2c1
commit 4f456e8a7f
13 changed files with 349 additions and 185 deletions
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12
Logic/FeatureSource/TiledFeatureSource/OsmFeatureSource.ts
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@ -22,7 +22,8 @@ export default class OsmFeatureSource {
neededTiles: UIEventSource<number[]>,
state: {
readonly osmConnection: OsmConnection;
};
},
markTileVisited?: (tileId: number) => void
};
private readonly downloadedTiles = new Set<number>()
@ -33,7 +34,8 @@ export default class OsmFeatureSource {
state: {
readonly filteredLayers: UIEventSource<FilteredLayer[]>;
readonly osmConnection: OsmConnection;
};
},
markTileVisited?: (tileId: number) => void
}) {
this.options = options;
this._backend = options.state.osmConnection._oauth_config.url;
@ -84,13 +86,17 @@ export default class OsmFeatureSource {
flatProperties: true
});
console.log("Tile geojson:", z, x, y, "is", geojson)
const index = Tiles.tile_index(z, x, y);
new PerLayerFeatureSourceSplitter(this.filteredLayers,
this.handleTile,
new StaticFeatureSource(geojson.features, false),
{
tileIndex: Tiles.tile_index(z, x, y)
tileIndex:index
}
);
if(this.options.markTileVisited){
this.options.markTileVisited(index)
}
} catch (e) {
console.error("Weird error: ", e)
}