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Small performance issues, improvement of #579

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This commit is contained in:
Pieter Vander Vennet 2022-01-05 18:08:42 +01:00
parent 4fd30d1a62
commit ee962f4ba3
2 changed files with 17 additions and 9 deletions
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5
Logic/UIEventSource.ts
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@ -281,10 +281,12 @@ export class UIEventSource<T> {
* @param f: The transforming function
* @param extraSources: also trigger the update if one of these sources change
* @param g: a 'backfunction to let the sync run in two directions. (data of the new UIEVEntSource, currentData) => newData
* @param allowUnregister: if set, the update will be halted if no listeners are registered
*/
public map<J>(f: ((t: T) => J),
extraSources: UIEventSource<any>[] = [],
g: ((j: J, t: T) => T) = undefined): UIEventSource<J> {
g: ((j: J, t: T) => T) = undefined,
allowUnregister = false): UIEventSource<J> {
const self = this;
const stack = new Error().stack.split("\n");
@ -297,6 +299,7 @@ export class UIEventSource<T> {
const update = function () {
newSource.setData(f(self.data));
return allowUnregister && newSource._callbacks.length === 0
}
this.addCallback(update);

21
UI/ShowDataLayer/ShowDataLayer.ts
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@ -145,7 +145,8 @@ export default class ShowDataLayer {
pointToLayer: (feature, latLng) => self.pointToLayer(feature, latLng),
onEachFeature: (feature, leafletLayer) => self.postProcessFeature(feature, leafletLayer)
});
const selfLayer = this.geoLayer;
const allFeats = this._features.features.data;
for (const feat of allFeats) {
if (feat === undefined) {
@ -153,12 +154,11 @@ export default class ShowDataLayer {
}
try {
if (feat.geometry.type === "LineString") {
const self = this;
const coords = L.GeoJSON.coordsToLatLngs(feat.geometry.coordinates)
const tagsSource = this.allElements?.addOrGetElement(feat) ?? new UIEventSource<any>(feat.properties);
let offsettedLine;
tagsSource
.map(tags => this._layerToShow.lineRendering[feat.lineRenderingIndex].GenerateLeafletStyle(tags))
.map(tags => this._layerToShow.lineRendering[feat.lineRenderingIndex].GenerateLeafletStyle(tags), [], undefined, true)
.withEqualityStabilized((a, b) => {
if (a === b) {
return true
@ -176,6 +176,9 @@ export default class ShowDataLayer {
offsettedLine = L.polyline(coords, lineStyle);
this.postProcessFeature(feat, offsettedLine)
offsettedLine.addTo(this.geoLayer)
// If 'self.geoLayer' is not the same as the layer the feature is added to, we can safely remove this callback
return self.geoLayer !== selfLayer
})
} else {
this.geoLayer.addData(feat);
@ -186,11 +189,13 @@ export default class ShowDataLayer {
}
if (options.zoomToFeatures ?? false) {
try {
const bounds = this.geoLayer.getBounds()
mp.fitBounds(bounds, {animate: false})
} catch (e) {
console.debug("Invalid bounds", e)
if(this.geoLayer.getLayers().length > 0){
try {
const bounds = this.geoLayer.getBounds()
mp.fitBounds(bounds, {animate: false})
} catch (e) {
console.debug("Invalid bounds", e)
}
}
}