mapcomplete/UI/InputElement/ValidatedInput.svelte

116 lines
3.3 KiB
Svelte

<script lang="ts">
import { UIEventSource } from "../../Logic/UIEventSource"
import type { ValidatorType } from "./Validators"
import Validators from "./Validators"
import { ExclamationIcon } from "@rgossiaux/svelte-heroicons/solid"
import { Translation } from "../i18n/Translation"
import { createEventDispatcher, onDestroy } from "svelte"
import { Validator } from "./Validator"
import { Unit } from "../../Models/Unit"
import UnitInput from "../Popup/UnitInput.svelte"
export let type: ValidatorType
export let feedback: UIEventSource<Translation> | undefined = undefined
export let getCountry: () => string | undefined
export let placeholder: string | Translation | undefined
export let unit: Unit = undefined
export let value: UIEventSource<string>
/**
* Internal state bound to the input element.
*
* This is only copied to 'value' when appropriate so that no invalid values leak outside;
* Additionally, the unit is added when copying
*/
let _value = new UIEventSource(value.data ?? "")
let validator: Validator = Validators.get(type ?? "string")
let selectedUnit: UIEventSource<string> = new UIEventSource<string>(undefined)
let _placeholder = placeholder ?? validator?.getPlaceholder() ?? type
function initValueAndDenom() {
if (unit && value.data) {
const [v, denom] = unit?.findDenomination(value.data, getCountry)
if (denom) {
_value.setData(v)
selectedUnit.setData(denom.canonical)
} else {
_value.setData(value.data ?? "")
}
} else {
_value.setData(value.data ?? "")
}
}
initValueAndDenom()
$: {
// The type changed -> reset some values
validator = Validators.get(type ?? "string")
_placeholder = placeholder ?? validator?.getPlaceholder() ?? type
feedback = feedback?.setData(validator?.getFeedback(_value.data, getCountry))
initValueAndDenom()
}
function setValues() {
// Update the value stores
const v = _value.data
if (!validator.isValid(v, getCountry) || v === "") {
value.setData(undefined)
feedback?.setData(validator.getFeedback(v, getCountry))
return
}
if (unit && isNaN(Number(v))) {
value.setData(undefined)
return
}
feedback?.setData(undefined)
value.setData(v + (selectedUnit.data ?? ""))
}
onDestroy(_value.addCallbackAndRun((_) => setValues()))
onDestroy(selectedUnit.addCallback((_) => setValues()))
if (validator === undefined) {
throw "Not a valid type for a validator:" + type
}
const isValid = _value.map((v) => validator.isValid(v, getCountry))
let htmlElem: HTMLInputElement
let dispatch = createEventDispatcher<{ selected }>()
$: {
if (htmlElem !== undefined) {
htmlElem.onfocus = () => dispatch("selected")
}
}
</script>
{#if validator.textArea}
<textarea
class="w-full"
bind:value={$_value}
inputmode={validator.inputmode ?? "text"}
placeholder={_placeholder}
/>
{:else}
<span class="inline-flex">
<input
bind:this={htmlElem}
bind:value={$_value}
class="w-full"
inputmode={validator.inputmode ?? "text"}
placeholder={_placeholder}
/>
{#if !$isValid}
<ExclamationIcon class="-ml-6 h-6 w-6" />
{/if}
{#if unit !== undefined}
<UnitInput {unit} {selectedUnit} textValue={_value} upstreamValue={value} />
{/if}
</span>
{/if}