99 lines
3.9 KiB
TypeScript
99 lines
3.9 KiB
TypeScript
import { Store, UIEventSource } from "../../Logic/UIEventSource"
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import Loc from "../../Models/Loc"
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import Minimap from "../Base/Minimap"
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import ShowDataMultiLayer from "../ShowDataLayer/ShowDataMultiLayer"
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import StaticFeatureSource from "../../Logic/FeatureSource/Sources/StaticFeatureSource"
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import { SpecialVisualization } from "../SpecialVisualization"
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export class MinimapViz implements SpecialVisualization {
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funcName = "minimap"
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docs = "A small map showing the selected feature."
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args = [
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{
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doc: "The (maximum) zoomlevel: the target zoomlevel after fitting the entire feature. The minimap will fit the entire feature, then zoom out to this zoom level. The higher, the more zoomed in with 1 being the entire world and 19 being really close",
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name: "zoomlevel",
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defaultValue: "18",
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},
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{
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doc: "(Matches all resting arguments) This argument should be the key of a property of the feature. The corresponding value is interpreted as either the id or the a list of ID's. The features with these ID's will be shown on this minimap. (Note: if the key is 'id', list interpration is disabled)",
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name: "idKey",
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defaultValue: "id",
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},
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]
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example: "`{minimap()}`, `{minimap(17, id, _list_of_embedded_feature_ids_calculated_by_calculated_tag):height:10rem; border: 2px solid black}`"
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constr(state, tagSource, args, _) {
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if (state === undefined) {
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return undefined
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}
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const keys = [...args]
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keys.splice(0, 1)
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const featureStore = state.allElements.ContainingFeatures
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const featuresToShow: Store<{ freshness: Date; feature: any }[]> = tagSource.map(
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(properties) => {
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const features: { freshness: Date; feature: any }[] = []
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for (const key of keys) {
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const value = properties[key]
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if (value === undefined || value === null) {
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continue
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}
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let idList = [value]
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if (key !== "id" && value.startsWith("[")) {
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// This is a list of values
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idList = JSON.parse(value)
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}
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for (const id of idList) {
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const feature = featureStore.get(id)
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if (feature === undefined) {
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console.warn("No feature found for id ", id)
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continue
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}
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features.push({
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freshness: new Date(),
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feature,
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})
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}
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}
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return features
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}
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)
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const properties = tagSource.data
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let zoom = 18
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if (args[0]) {
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const parsed = Number(args[0])
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if (!isNaN(parsed) && parsed > 0 && parsed < 25) {
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zoom = parsed
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}
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}
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const locationSource = new UIEventSource<Loc>({
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lat: Number(properties._lat),
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lon: Number(properties._lon),
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zoom: zoom,
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})
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const minimap = Minimap.createMiniMap({
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background: state.backgroundLayer,
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location: locationSource,
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allowMoving: false,
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})
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locationSource.addCallback((loc) => {
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if (loc.zoom > zoom) {
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// We zoom back
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locationSource.data.zoom = zoom
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locationSource.ping()
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}
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})
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new ShowDataMultiLayer({
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leafletMap: minimap["leafletMap"],
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zoomToFeatures: true,
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layers: state.filteredLayers,
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features: new StaticFeatureSource(featuresToShow),
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})
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minimap.SetStyle("overflow: hidden; pointer-events: none;")
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return minimap
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}
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}
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