packages/react-params/src/Param/Vote.tsx
// Copyright 2017-2024 @polkadot/react-params authors & contributors
// SPDX-License-Identifier: Apache-2.0
import type { Props } from '../types.js';
import React, { useCallback, useEffect, useRef, useState } from 'react';
import { Dropdown } from '@polkadot/react-components';
import { GenericVote } from '@polkadot/types';
import { isBn, isNumber } from '@polkadot/util';
import { useTranslation } from '../translate.js';
import Bare from './Bare.js';
interface VoteParts {
aye: boolean;
conviction: number;
}
const AYE_MASK = 0b10000000;
const EMPTY_VOTE: VoteParts = { aye: true, conviction: 0 };
function Vote ({ className = '', defaultValue: { value }, isDisabled, isError, onChange, withLabel }: Props): React.ReactElement<Props> {
const { t } = useTranslation();
const [vote, setVote] = useState(EMPTY_VOTE);
useEffect((): void => {
onChange && onChange({ isValid: true, value: vote });
}, [onChange, vote]);
const onChangeVote = useCallback(
(aye: boolean) => setVote(({ conviction }) => ({ aye, conviction })),
[]
);
const onChangeConviction = useCallback(
(conviction: number) => setVote(({ aye }) => ({ aye, conviction })),
[]
);
const optAyeRef = useRef([
{ text: t('Nay'), value: false },
{ text: t('Aye'), value: true }
]);
const optConvRef = useRef([
{ text: t('None'), value: 0 },
{ text: t('Locked1x'), value: 1 },
{ text: t('Locked2x'), value: 2 },
{ text: t('Locked3x'), value: 3 },
{ text: t('Locked4x'), value: 4 },
{ text: t('Locked5x'), value: 5 },
{ text: t('Locked6x'), value: 6 }
]);
const defaultVote = isBn(value)
? !!(value.toNumber() & AYE_MASK)
: isNumber(value)
? !!(value & AYE_MASK)
: value instanceof GenericVote
? value.isAye
: !!value;
const defaultConv = value instanceof GenericVote
? value.conviction.index
: 0;
return (
<Bare className={className}>
<Dropdown
className='full'
defaultValue={defaultVote}
isDisabled={isDisabled}
isError={isError}
label={t('aye: bool')}
onChange={onChangeVote}
options={optAyeRef.current}
withLabel={withLabel}
/>
<Dropdown
className='full'
defaultValue={defaultConv}
isDisabled={isDisabled}
isError={isError}
label={t('conviction: Conviction')}
onChange={onChangeConviction}
options={optConvRef.current}
withLabel={withLabel}
/>
</Bare>
);
}
export default React.memo(Vote);