89 lines
No EOL
4 KiB
TypeScript
89 lines
No EOL
4 KiB
TypeScript
import FilteringFeatureSource from "../FeatureSource/FilteringFeatureSource";
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import FeatureSourceMerger from "../FeatureSource/FeatureSourceMerger";
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import RememberingSource from "../FeatureSource/RememberingSource";
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import WayHandlingApplyingFeatureSource from "../FeatureSource/WayHandlingApplyingFeatureSource";
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import FeatureDuplicatorPerLayer from "../FeatureSource/FeatureDuplicatorPerLayer";
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import FeatureSource from "../FeatureSource/FeatureSource";
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import {UIEventSource} from "../UIEventSource";
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import LocalStorageSaver from "./LocalStorageSaver";
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import LayerConfig from "../../Customizations/JSON/LayerConfig";
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import LocalStorageSource from "./LocalStorageSource";
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import LayoutConfig from "../../Customizations/JSON/LayoutConfig";
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import Loc from "../../Models/Loc";
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import GeoJsonSource from "./GeoJsonSource";
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import MetaTaggingFeatureSource from "./MetaTaggingFeatureSource";
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import RegisteringFeatureSource from "./RegisteringFeatureSource";
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import {Changes} from "../Osm/Changes";
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import ChangeApplicator from "./ChangeApplicator";
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export default class FeaturePipeline implements FeatureSource {
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public features: UIEventSource<{ feature: any; freshness: Date }[]> ;
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public readonly name = "FeaturePipeline"
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constructor(flayers: UIEventSource<{ isDisplayed: UIEventSource<boolean>, layerDef: LayerConfig }[]>,
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changes: Changes,
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updater: FeatureSource,
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fromOsmApi: FeatureSource,
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layout: UIEventSource<LayoutConfig>,
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locationControl: UIEventSource<Loc>,
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selectedElement: UIEventSource<any>) {
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const allLoadedFeatures = new UIEventSource<{ feature: any; freshness: Date }[]>([])
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// first we metatag, then we save to get the metatags into storage too
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// Note that we need to register before we do metatagging (as it expects the event sources)
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// AT last, the metaTagging also needs to be run _after_ the duplicatorPerLayer
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const amendedOverpassSource =
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new RememberingSource(
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new LocalStorageSaver(
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new MetaTaggingFeatureSource(allLoadedFeatures,
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new FeatureDuplicatorPerLayer(flayers,
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new RegisteringFeatureSource(
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new ChangeApplicator(
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updater, changes
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))
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)), layout));
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const geojsonSources: FeatureSource [] = GeoJsonSource
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.ConstructMultiSource(flayers.data, locationControl)
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.map(geojsonSource => {
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let source = new RegisteringFeatureSource(new FeatureDuplicatorPerLayer(flayers,
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new ChangeApplicator(geojsonSource, changes)));
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if(!geojsonSource.isOsmCache){
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source = new MetaTaggingFeatureSource(allLoadedFeatures, source, updater.features);
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}
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return source
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});
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const amendedLocalStorageSource =
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new RememberingSource(new RegisteringFeatureSource(new FeatureDuplicatorPerLayer(flayers,new ChangeApplicator( new LocalStorageSource(layout), changes))
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));
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const amendedOsmApiSource = new RememberingSource(
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new MetaTaggingFeatureSource(allLoadedFeatures,
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new FeatureDuplicatorPerLayer(flayers,
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new RegisteringFeatureSource(new ChangeApplicator(fromOsmApi, changes)))));
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const merged =
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new FeatureSourceMerger([
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amendedOverpassSource,
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amendedOsmApiSource,
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amendedLocalStorageSource,
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...geojsonSources
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]);
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merged.features.syncWith(allLoadedFeatures)
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this.features = new WayHandlingApplyingFeatureSource(flayers,
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new FilteringFeatureSource(
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flayers,
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locationControl,
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selectedElement,
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merged
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)).features;
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}
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} |