mapcomplete/UI/Map/RasterLayerPicker.svelte

92 lines
2.5 KiB
Svelte

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