mapcomplete/UI/InputElement/ValidatedInput.svelte

109 lines
3.6 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}></textarea>
{: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="h-6 w-6 -ml-6"></ExclamationIcon>
{/if}
{#if unit !== undefined}
<UnitInput {unit} {selectedUnit} textValue={_value} upstreamValue={value}/>
{/if}
</span>
{/if}