forked from MapComplete/MapComplete
77 lines
2.6 KiB
Svelte
77 lines
2.6 KiB
Svelte
<script lang="ts">
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import type {RasterLayerPolygon} from "../../Models/RasterLayers";
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import OverlayMap from "./OverlayMap.svelte";
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import type {MapProperties} from "../../Models/MapProperties";
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import {Store, UIEventSource} from "../../Logic/UIEventSource";
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import {Map as MlMap} from "maplibre-gl"
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import {createEventDispatcher, onDestroy} from "svelte";
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/***
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* Chooses a background-layer out of available options
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*/
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export let availableLayers: Store<RasterLayerPolygon[]>
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export let mapproperties: MapProperties
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export let map: Store<MlMap>
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export let visible: Store<boolean> = undefined
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let dispatch = createEventDispatcher<{appliedLayer}>()
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export let favourite : UIEventSource<string> | undefined = undefined
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let rasterLayer = new UIEventSource<RasterLayerPolygon>(availableLayers.data?.[0])
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let hasLayers = true
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onDestroy(availableLayers.addCallbackAndRun(layers => {
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if (layers === undefined || layers.length === 0) {
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hasLayers = false
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return
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}
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hasLayers = true
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rasterLayer.setData(layers[0])
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}))
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if(favourite){
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onDestroy(favourite.addCallbackAndRunD(favourite => {
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const fav = availableLayers.data?.find(l => l.properties.id === favourite)
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if(!fav){
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return
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}
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rasterLayer.setData(fav)
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}))
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onDestroy(rasterLayer.addCallbackAndRunD(selected => {
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favourite?.setData(selected.properties.id)
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}))
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}
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let rasterLayerOnMap = UIEventSource.feedFrom(rasterLayer)
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if (visible) {
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onDestroy(visible?.addCallbackAndRunD(visible => {
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if (visible) {
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rasterLayerOnMap.setData(rasterLayer.data ?? availableLayers.data[0])
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} else {
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rasterLayerOnMap.setData(undefined)
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}
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}))
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}
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</script>
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{#if hasLayers}
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<div class="h-full w-full flex flex-col">
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<button on:click={() => {mapproperties.rasterLayer.setData(rasterLayer.data);
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dispatch("appliedLayer")
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}} class="w-full h-full m-0 p-0">
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<OverlayMap rasterLayer={rasterLayerOnMap} placedOverMap={map} placedOverMapProperties={mapproperties}
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{visible}/>
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</button>
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<select bind:value={$rasterLayer} class="w-full">
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{#each $availableLayers as availableLayer }
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<option value={availableLayer}>
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{availableLayer.properties.name}
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</option>
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{/each}
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</select>
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</div>
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{/if}
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