91 lines
3.5 KiB
Svelte
91 lines
3.5 KiB
Svelte
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<script lang="ts">
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import {Store, UIEventSource} from "../../Logic/UIEventSource";
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import type {RasterLayerPolygon} from "../../Models/RasterLayers";
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import {AvailableRasterLayers} from "../../Models/RasterLayers";
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import Tr from "../Base/Tr.svelte";
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import {onDestroy} from "svelte";
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import Translations from "../i18n/Translations";
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import Svg from "../../Svg";
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import {Map as MlMap} from "maplibre-gl"
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import MaplibreMap from "../Map/MaplibreMap.svelte";
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import {MapLibreAdaptor} from "../Map/MapLibreAdaptor";
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import type {MapProperties} from "../../Models/MapProperties";
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export let mapproperties: MapProperties
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export let normalMap: UIEventSource<MlMap>
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/**
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* The current background (raster) layer of the polygon.
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* This is undefined if a vector layer is used
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*/
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let rasterLayer: UIEventSource<RasterLayerPolygon | undefined> = mapproperties.rasterLayer
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let name = rasterLayer.data?.properties?.name
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let icon = Svg.satellite_svg()
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onDestroy(rasterLayer.addCallback(polygon => {
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name = polygon.properties?.name
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}))
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/**
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* The layers that this component can offer as a choice.
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*/
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export let availableRasterLayers: Store<RasterLayerPolygon[]>
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let altmap: UIEventSource<MlMap> = new UIEventSource(undefined)
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let altproperties = new MapLibreAdaptor(altmap, {zoom: UIEventSource.feedFrom(mapproperties.zoom)})
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altproperties.allowMoving.setData(false)
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altproperties.allowZooming.setData(false)
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let altmap0: UIEventSource<MlMap> = new UIEventSource(undefined)
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let altproperties0 = new MapLibreAdaptor(altmap0, {zoom: altproperties.zoom})
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// altproperties0.allowMoving.setData(false)
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// altproperties0.allowZooming.setData(false)
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function updatedAltLayer() {
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const available = availableRasterLayers.data
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const current = rasterLayer.data
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const defaultLayer = AvailableRasterLayers.maplibre
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const firstOther = available.find(l => l !== current && l !== defaultLayer)
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altproperties.rasterLayer.setData(firstOther)
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const secondOther = available.find(l => l !== current && l !== firstOther && l !== defaultLayer)
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altproperties0.rasterLayer.setData(secondOther)
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}
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onDestroy(availableRasterLayers.addCallbackAndRunD(updatedAltLayer))
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onDestroy(rasterLayer.addCallbackAndRunD(updatedAltLayer))
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function pixelCenterOf(map: UIEventSource<MlMap>): [number, number] {
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const rect = map?.data?.getCanvas()?.getBoundingClientRect()
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if (!rect) {
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return undefined
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}
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const x = (rect.left + rect.right) / 2
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const y = (rect.top + rect.bottom) / 2
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return [x, y]
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}
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mapproperties.location.addCallbackAndRunD(({lon, lat}) => {
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if (!normalMap.data || !altmap.data) {
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return
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}
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const altMapCenter = pixelCenterOf(altmap)
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const c = normalMap.data.unproject(altMapCenter)
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altproperties.location.setData({lon: c.lng, lat: c.lat})
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const altMapCenter0 = pixelCenterOf(altmap0)
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const c0 = normalMap.data.unproject(altMapCenter0)
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altproperties0.location.setData({lon: c0.lng, lat: c0.lat})
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})
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</script>
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<div class="flex">
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<div class="w-32 h-32 overflow-hidden border-interactive">
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<MaplibreMap map={altmap}/>
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</div>
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<div class="w-32 h-32 overflow-hidden border-interactive">
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<MaplibreMap map={altmap0}/>
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</div>
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<div class="low-interaction flex flex-col">
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<b>Current background:</b>
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<Tr t={Translations.T(name)}/>
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</div>
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</div>
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