mapcomplete/UI/InputElement/ValidatedInput.svelte

123 lines
4.1 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"
import {Utils} from "../../Utils";
export let type: ValidatorType
export let feedback: UIEventSource<Translation> | 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")
if(validator === undefined){
console.warn("Didn't find a validator for type", type)
}
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?.setData(validator?.getFeedback(_value.data, getCountry))
initValueAndDenom()
}
function setValues() {
// Update the value stores
const v = _value.data
if (!validator?.isValid(v, getCountry) || v === "") {
feedback?.setData(validator?.getFeedback(v, getCountry))
value.setData("")
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 (no validator found) for type '" + type+"'; did you perhaps mean one of: "+Utils.sortedByLevenshteinDistance(type, Validators.AllValidators.map(v => v.name), v => v).slice(0, 5).join(", ")
}
const isValid = _value.map((v) => validator?.isValid(v, getCountry) ?? true)
let htmlElem: HTMLInputElement
let dispatch = createEventDispatcher<{ selected, submit }>()
$: {
if (htmlElem !== undefined) {
htmlElem.onfocus = () => dispatch("selected")
}
}
</script>
{#if validator?.textArea}
<form on:submit|preventDefault={() => dispatch("submit")}>
<textarea
class="w-full"
bind:value={$_value}
inputmode={validator?.inputmode ?? "text"}
placeholder={_placeholder}></textarea>
</form>
{:else}
<form class="inline-flex" on:submit={() => dispatch("submit")}>
<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}
</form>
{/if}