/*
This file is part of GNU Taler
(C) 2022 Taler Systems S.A.
GNU Taler is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
GNU Taler; see the file COPYING. If not, see
*/
import { Fragment, h, VNode } from "preact";
import { TextFieldHandler } from "../mui/handlers.js";
import { TextField } from "../mui/TextField.js";
import { ErrorText } from "./styled/index.js";
export function AmountField({
label,
handler,
currency,
required,
}: {
label: VNode;
required?: boolean;
currency: string;
handler: TextFieldHandler;
}): VNode {
function positiveAmount(value: string): string {
if (!value) return "";
try {
const num = Number.parseFloat(value);
if (Number.isNaN(num) || num < 0) return handler.value;
if (handler.onInput) {
handler.onInput(value);
}
return value;
} catch (e) {
// do nothing
}
return handler.value;
}
return (
{currency}
}
value={handler.value}
disabled={!handler.onInput}
onInput={positiveAmount}
/>
);
}