mapcomplete/UI/Popup/UnitInput.svelte

66 lines
1.9 KiB
Svelte

<script lang="ts">
import { Unit } from "../../Models/Unit"
import { Store, UIEventSource } from "../../Logic/UIEventSource"
import Tr from "../Base/Tr.svelte"
import { onDestroy } from "svelte"
export let unit: Unit
/**
* The current value of the input field
* Not necessarily a correct number
*/
export let textValue: UIEventSource<string>
/**
* The actual _valid_ value that is upstreamed
*/
export let upstreamValue: Store<string>
let isSingle: Store<boolean> = textValue.map((v) => Number(v) === 1)
export let selectedUnit: UIEventSource<string> = new UIEventSource<string>(undefined)
export let getCountry = () => "be"
console.log("Unit", unit)
onDestroy(
upstreamValue.addCallbackAndRun((v) => {
if (v === undefined) {
if (!selectedUnit.data) {
selectedUnit.setData(unit.getDefaultDenomination(getCountry).canonical)
}
return
}
const selected = unit.findDenomination(v, getCountry)
if (selected === undefined) {
selectedUnit.setData(unit.getDefaultDenomination(getCountry).canonical)
return
}
const [value, denomination] = selected
selectedUnit.setData(denomination.canonical)
return
})
)
onDestroy(
textValue.addCallbackAndRunD((v) => {
// Fallback in case that the user manually types a denomination
const [value, denomination] = unit.findDenomination(v, getCountry)
if (value === undefined || denomination === undefined) {
return
}
textValue.setData(value)
selectedUnit.setData(denomination.canonical)
})
)
</script>
<select bind:value={$selectedUnit}>
{#each unit.denominations as denom (denom.canonical)}
<option value={denom.canonical}>
{#if $isSingle}
<Tr t={denom.humanSingular} />
{:else}
<Tr t={denom.human} />
{/if}
</option>
{/each}
</select>