mapcomplete/UI/BigComponents/BackgroundSwitcher.svelte

88 lines
3.1 KiB
Svelte

<script lang="ts">
import { Store, UIEventSource } from "../../Logic/UIEventSource"
import type { RasterLayerPolygon } from "../../Models/RasterLayers"
import { AvailableRasterLayers } from "../../Models/RasterLayers"
import { createEventDispatcher, onDestroy } from "svelte"
import Svg from "../../Svg"
import { Map as MlMap } from "maplibre-gl"
import type { MapProperties } from "../../Models/MapProperties"
import OverlayMap from "../Map/OverlayMap.svelte"
import RasterLayerPicker from "../Map/RasterLayerPicker.svelte"
export let mapproperties: MapProperties
export let normalMap: UIEventSource<MlMap>
/**
* The current background (raster) layer of the polygon.
* This is undefined if a vector layer is used
*/
let rasterLayer: UIEventSource<RasterLayerPolygon | undefined> = mapproperties.rasterLayer
let name = rasterLayer.data?.properties?.name
let icon = Svg.satellite_svg()
onDestroy(
rasterLayer.addCallback((polygon) => {
name = polygon.properties?.name
})
)
/**
* The layers that this component can offer as a choice.
*/
export let availableRasterLayers: Store<RasterLayerPolygon[]>
let raster0 = new UIEventSource<RasterLayerPolygon>(undefined)
let raster1 = new UIEventSource<RasterLayerPolygon>(undefined)
let currentLayer: RasterLayerPolygon
function updatedAltLayer() {
const available = availableRasterLayers.data
const current = rasterLayer.data
const defaultLayer = AvailableRasterLayers.maplibre
const firstOther = available.find((l) => l !== defaultLayer)
const secondOther = available.find((l) => l !== defaultLayer && l !== firstOther)
raster0.setData(firstOther === current ? defaultLayer : firstOther)
raster1.setData(secondOther === current ? defaultLayer : secondOther)
}
updatedAltLayer()
onDestroy(mapproperties.rasterLayer.addCallbackAndRunD(updatedAltLayer))
onDestroy(availableRasterLayers.addCallbackAndRunD(updatedAltLayer))
function use(rasterLayer: UIEventSource<RasterLayerPolygon>): () => void {
return () => {
currentLayer = undefined
mapproperties.rasterLayer.setData(rasterLayer.data)
}
}
const dispatch = createEventDispatcher<{ copyright_clicked }>()
</script>
<div class="flex items-end opacity-50 hover:opacity-100">
<div class="flex flex-col md:flex-row">
<button class="m-0 h-12 w-16 overflow-hidden p-0 md:h-16 md:w-16" on:click={use(raster0)}>
<OverlayMap
placedOverMap={normalMap}
placedOverMapProperties={mapproperties}
rasterLayer={raster0}
/>
</button>
<button class="m-0 h-12 w-16 overflow-hidden p-0 md:h-16 md:w-16" on:click={use(raster1)}>
<OverlayMap
placedOverMap={normalMap}
placedOverMapProperties={mapproperties}
rasterLayer={raster1}
/>
</button>
</div>
<div class="ml-1 flex h-fit flex-col gap-y-1 text-sm">
<div class="low-interaction w-64 rounded p-1">
<RasterLayerPicker
availableLayers={availableRasterLayers}
value={mapproperties.rasterLayer}
/>
</div>
<button class="small" on:click={() => dispatch("copyright_clicked")}>© OpenStreetMap</button>
</div>
</div>