32 lines
1 KiB
Svelte
32 lines
1 KiB
Svelte
<script lang="ts">
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/**
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* Shows a 'floorSelector' and maps the selected floor onto a global filter
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*/
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import LayerState from "../../Logic/State/LayerState"
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import FloorSelector from "../InputElement/Helpers/FloorSelector.svelte"
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import { Store, UIEventSource } from "../../Logic/UIEventSource"
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export let layerState: LayerState
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export let floors: Store<string[]>
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export let zoom: Store<number>
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const maxZoom = 16
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let selectedFloor: UIEventSource<string> = new UIEventSource<string>(undefined)
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selectedFloor.stabilized(5).map(
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(floor) => {
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if (floors.data === undefined || floors.data.length <= 1 || zoom.data < maxZoom) {
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// Only a single floor is visible -> disable the 'level' global filter
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// OR we might have zoomed out to much ant want to show all
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layerState.setLevelFilter(undefined)
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} else {
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layerState.setLevelFilter(floor)
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}
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},
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[floors, zoom]
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)
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</script>
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{#if $zoom >= maxZoom}
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<FloorSelector {floors} value={selectedFloor} />
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{/if}
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