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mvfront-react/components/admin/CandidatesField.tsx

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import {useState, useEffect, useRef, KeyboardEvent} from 'react';
import {useTranslation} from 'next-i18next';
import {Container} from 'reactstrap';
import {faArrowRight} from '@fortawesome/free-solid-svg-icons';
import {MAX_NUM_CANDIDATES} from '@services/constants';
import Alert from '@components/Alert';
import Button from '@components/Button';
import {useElection, useElectionDispatch} from '@services/ElectionContext';
import CandidateField from './CandidateField';
const CandidatesField = ({onSubmit}) => {
const {t} = useTranslation();
const submitReference = useRef(null);
const election = useElection();
const dispatch = useElectionDispatch();
const candidates = election.candidates;
const [error, setError] = useState(null);
const disabled = candidates.filter((c) => c.name !== '').length < 2;
// What to do when we change the candidates
useEffect(() => {
// Initialize the list with at least two candidates
if (candidates.length < 2) {
dispatch({type: 'candidate-push', value: 'default'});
}
if (candidates.length > MAX_NUM_CANDIDATES) {
setError('error.too-many-candidates');
}
}, [candidates]);
useEffect(() => {
if (!disabled && submitReference.current) {
submitReference.current.focus();
}
}, [disabled, submitReference]);
const handleKeyPress = (e: KeyboardEvent<HTMLInputElement>) => {
console.log(e.key)
if (e.key == "Enter" && !disabled) {
onSubmit();
}
}
return (
<Container className="candidate flex-grow-1 my-5 flex-column d-flex justify-content-between">
<div className="d-flex flex-column">
<h4 className="mb-4">{t('admin.add-candidates')}</h4>
<Alert msg={error} />
<div className="d-flex flex-column mx-2 mx-md-0">
{candidates.map((candidate, index) => {
return (
<CandidateField
key={index}
position={index}
className="px-1 py-3 my-3"
/>
);
})}
</div>
</div>
<Container className="my-5 d-md-flex d-grid justify-content-md-center">
<Button
outline={true}
color="secondary"
className="bg-blue"
ref={submitReference}
onClick={onSubmit}
disabled={disabled}
icon={faArrowRight}
position="right"
onKeyPress={handleKeyPress}
>
{t('admin.candidates-submit')}
</Button>
</Container>
</Container>
);
};
export default CandidatesField;