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Fix various bugs; improve UK-addresses theme

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This commit is contained in:
Pieter Vander Vennet 2022-01-17 21:33:03 +01:00
parent e20cf0abfa
commit 8ca9e4f36c
20 changed files with 357 additions and 164 deletions
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45
Logic/FeatureSource/Sources/FilteringFeatureSource.ts
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@ -1,7 +1,6 @@
import {UIEventSource} from "../../UIEventSource";
import FilteredLayer from "../../../Models/FilteredLayer";
import {FeatureSourceForLayer, Tiled} from "../FeatureSource";
import Hash from "../../Web/Hash";
import {BBox} from "../../BBox";
import {ElementStorage} from "../../ElementStorage";
import {TagsFilter} from "../../Tags/TagsFilter";
@ -20,7 +19,8 @@ export default class FilteringFeatureSource implements FeatureSourceForLayer, Ti
};
private readonly _alreadyRegistered = new Set<UIEventSource<any>>();
private readonly _is_dirty = new UIEventSource(false)
private previousFeatureSet : Set<any> = undefined;
constructor(
state: {
locationControl: UIEventSource<{ zoom: number }>,
@ -65,18 +65,12 @@ export default class FilteringFeatureSource implements FeatureSourceForLayer, Ti
private update() {
const self = this;
const layer = this.upstream.layer;
const features: { feature: any; freshness: Date }[] = this.upstream.features.data;
const features: { feature: any; freshness: Date }[] = (this.upstream.features.data ?? []);
const includedFeatureIds = new Set<string>();
const newFeatures = features.filter((f) => {
self.registerCallback(f.feature)
if (
(this.state.selectedElement !== undefined && this.state.selectedElement.data?.id === f.feature.properties.id) ||
(Hash.hash.data !== undefined && f.feature.properties.id === Hash.hash.data)) {
// This is the selected object - it gets a free pass even if zoom is not sufficient or it is filtered away
return true;
}
const isShown = layer.layerDef.isShown;
const tags = f.feature.properties;
if (isShown.IsKnown(tags)) {
@ -97,12 +91,30 @@ export default class FilteringFeatureSource implements FeatureSourceForLayer, Ti
}
}
includedFeatureIds.add(f.feature.properties.id)
return true;
});
this.features.setData(newFeatures);
const previousSet = this.previousFeatureSet;
this._is_dirty.setData(false)
// Is there any difference between the two sets?
if(previousSet !== undefined && previousSet.size === includedFeatureIds.size){
// The size of the sets is the same - they _might_ be identical
const newItemFound = Array.from(includedFeatureIds).some(id => !previousSet.has(id))
if(!newItemFound){
// We know that:
// - The sets have the same size
// - Every item from the new set has been found in the old set
// which means they are identical!
return;
}
}
// Something new has been found!
this.features.setData(newFeatures);
}
private registerCallback(feature: any) {
@ -115,10 +127,11 @@ export default class FilteringFeatureSource implements FeatureSourceForLayer, Ti
}
this._alreadyRegistered.add(src)
const self = this;
src.addCallbackAndRunD(_ => {
self._is_dirty.setData(true)
})
const self = this;
// Add a callback as a changed tag migh change the filter
src.addCallbackAndRunD(_ => {
self._is_dirty.setData(true)
})
}
}