Partial fix of opening the selected element

This commit is contained in:
Pieter Vander Vennet 2021-09-21 03:10:15 +02:00
parent 9e21ec1182
commit e374bb355c
7 changed files with 100 additions and 259 deletions

View file

@ -16,11 +16,20 @@ export default class ShowDataLayer {
// Used to generate a fresh ID when needed
private _cleanCount = 0;
constructor(options: ShowDataLayerOptions & { layerToShow: LayerConfig}) {
private geoLayer = undefined;
/**
* If the selected element triggers, this is used to lookup the correct layer and to open the popup
* Used to avoid a lot of callbacks on the selected element
* @private
*/
private readonly leafletLayersPerId = new Map<string, { feature: any, leafletlayer: any }>()
constructor(options: ShowDataLayerOptions & { layerToShow: LayerConfig }) {
this._leafletMap = options.leafletMap;
this._enablePopups = options.enablePopups ?? true;
if(options.features === undefined){
if (options.features === undefined) {
throw "Invalid ShowDataLayer invocation"
}
const features = options.features.features.map(featFreshes => featFreshes.map(ff => ff.feature));
@ -28,58 +37,77 @@ export default class ShowDataLayer {
this._layerToShow = options.layerToShow;
const self = this;
let geoLayer = undefined;
features.addCallback(() => self.update(options));
options.leafletMap.addCallback(() => self.update(options));
this.update(options);
function update() {
if (features.data === undefined) {
State.state.selectedElement.addCallbackAndRunD(selected => {
if (self._leafletMap.data === undefined) {
return;
}
const mp =options. leafletMap.data;
if (mp === undefined) {
const v = self.leafletLayersPerId.get(selected.properties.id)
if(v === undefined){return;}
const leafletLayer = v.leafletlayer
const feature = v.feature
if (leafletLayer.getPopup().isOpen()) {
return;
}
self._cleanCount++
// clean all the old stuff away, if any
if (geoLayer !== undefined) {
mp.removeLayer(geoLayer);
}
const allFeats = features.data;
geoLayer = self.CreateGeojsonLayer();
for (const feat of allFeats) {
if (feat === undefined) {
continue
if (selected.properties.id === feature.properties.id) {
// A small sanity check to prevent infinite loops:
if (selected.geometry.type === feature.geometry.type // If a feature is rendered both as way and as point, opening one popup might trigger the other to open, which might trigger the one to open again
&& feature.id === feature.properties.id // the feature might have as id 'node/-1' and as 'feature.properties.id' = 'the newly assigned id'. That is no good too
) {
leafletLayer.openPopup()
}
// @ts-ignore
geoLayer.addData(feat);
}
mp.addLayer(geoLayer)
if (options.zoomToFeatures ?? false) {
try {
mp.fitBounds(geoLayer.getBounds(), {animate: false})
} catch (e) {
console.error(e)
if (feature.id !== feature.properties.id) {
console.trace("Not opening the popup for", feature)
}
}
if (self._enablePopups) {
State.state.selectedElement.ping()
}
})
}
private update(options) {
if (this._features.data === undefined) {
return;
}
const mp = options.leafletMap.data;
if (mp === undefined) {
return;
}
this._cleanCount++
// clean all the old stuff away, if any
if (this.geoLayer !== undefined) {
mp.removeLayer(this.geoLayer);
}
features.addCallback(() => update());
options.leafletMap.addCallback(() => update());
update();
const allFeats = this._features.data;
this.geoLayer = this.CreateGeojsonLayer();
for (const feat of allFeats) {
if (feat === undefined) {
continue
}
this.geoLayer.addData(feat);
}
mp.addLayer(this.geoLayer)
if (options.zoomToFeatures ?? false) {
try {
mp.fitBounds(this.geoLayer.getBounds(), {animate: false})
} catch (e) {
console.error(e)
}
}
}
private createStyleFor(feature) {
const tagsSource = State.state.allElements.addOrGetElement(feature);
// Every object is tied to exactly one layer
const layer = this._layerToShow
const layer = this._layerToShow
return layer?.GenerateLeafletStyle(tagsSource, true);
}
@ -88,7 +116,7 @@ export default class ShowDataLayer {
// We have to convert them to the appropriate icon
// Click handling is done in the next step
const layer: LayerConfig = this._layerToShow
const layer: LayerConfig = this._layerToShow
if (layer === undefined) {
return;
}
@ -159,28 +187,9 @@ export default class ShowDataLayer {
infobox.AttachTo(id)
infobox.Activate();
});
const self = this;
State.state.selectedElement.addCallbackAndRunD(selected => {
if (self._leafletMap.data === undefined) {
return;
}
if (leafletLayer.getPopup().isOpen()) {
return;
}
if (selected.properties.id === feature.properties.id) {
// A small sanity check to prevent infinite loops:
if (selected.geometry.type === feature.geometry.type // If a feature is rendered both as way and as point, opening one popup might trigger the other to open, which might trigger the one to open again
&& feature.id === feature.properties.id // the feature might have as id 'node/-1' and as 'feature.properties.id' = 'the newly assigned id'. That is no good too
) {
leafletLayer.openPopup()
}
if (feature.id !== feature.properties.id) {
console.trace("Not opening the popup for", feature)
}
}
})
// Add the feature to the index to open the popup when needed
this.leafletLayersPerId.set(feature.properties.id, {feature: feature, leafletlayer: leafletLayer})
}
private CreateGeojsonLayer(): L.Layer {