mapcomplete/UI/BigComponents/BackgroundSwitcher.svelte

82 lines
3.4 KiB
Svelte

<script lang="ts">
import {Store, UIEventSource} from "../../Logic/UIEventSource";
import type {RasterLayerPolygon} from "../../Models/RasterLayers";
import {AvailableRasterLayers} from "../../Models/RasterLayers";
import Tr from "../Base/Tr.svelte";
import {createEventDispatcher, onDestroy} from "svelte";
import Translations from "../i18n/Translations";
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="w-16 h-12 md:w-16 md:h-16 overflow-hidden m-0 p-0"
on:click={use(raster0)}>
<OverlayMap placedOverMap={normalMap} placedOverMapProperties={mapproperties} rasterLayer={raster0}/>
</button>
<button class="w-16 h-12 md:w-16 md:h-16 overflow-hidden m-0 p-0 " on:click={use(raster1)}>
<OverlayMap placedOverMap={normalMap} placedOverMapProperties={mapproperties} rasterLayer={raster1}/>
</button>
</div>
<div class="text-sm flex flex-col gap-y-1 h-fit ml-1">
<div class="low-interaction rounded p-1 w-64">
<RasterLayerPicker availableLayers={availableRasterLayers} value={mapproperties.rasterLayer}></RasterLayerPicker>
</div>
<button class="small" on:click={() => dispatch("copyright_clicked")}>
© OpenStreetMap
</button>
</div>
</div>