Files
frontend-app-authoring/src/course-unit/course-sequence/sequence-navigation/SequenceNavigation.jsx

124 lines
3.5 KiB
JavaScript

import { Link } from 'react-router-dom';
import { useSelector } from 'react-redux';
import PropTypes from 'prop-types';
import classNames from 'classnames';
import {
useIntl, isRtl, getLocale,
} from '@edx/frontend-platform/i18n';
import { Button, useWindowSize, breakpoints } from '@openedx/paragon';
import {
ChevronLeft as ChevronLeftIcon,
ChevronRight as ChevronRightIcon,
} from '@openedx/paragon/icons';
import { useModel } from '../../../generic/model-store';
import { RequestStatus } from '../../../data/constants';
import { getSequenceStatus } from '../../data/selectors';
import { useSequenceNavigationMetadata } from '../hooks';
import messages from '../messages';
import SequenceNavigationTabs from './SequenceNavigationTabs';
const SequenceNavigation = ({
courseId,
unitId,
sequenceId,
className,
handleCreateNewCourseXBlock,
showPasteUnit,
}) => {
const intl = useIntl();
const sequenceStatus = useSelector(getSequenceStatus);
const {
isFirstUnit, isLastUnit, nextLink, previousLink,
} = useSequenceNavigationMetadata(courseId, sequenceId, unitId);
const sequence = useModel('sequences', sequenceId);
const shouldDisplayNotificationTriggerInSequence = useWindowSize().width < breakpoints.small.minWidth;
const renderUnitButtons = () => {
if (sequence.unitIds.length === 0 || unitId === null) {
return (
<div style={{ flexBasis: '100%', minWidth: 0, borderBottom: 'solid 1px #EAEAEA' }} />
);
}
return (
<SequenceNavigationTabs
unitIds={sequence.unitIds || []}
unitId={unitId}
handleCreateNewCourseXBlock={handleCreateNewCourseXBlock}
showPasteUnit={showPasteUnit}
/>
);
};
const renderPreviousButton = () => {
const buttonText = intl.formatMessage(messages.prevBtnText);
const prevArrow = isRtl(getLocale()) ? ChevronRightIcon : ChevronLeftIcon;
if (!isFirstUnit) {
return (
<Button
className="sequence-navigation-prev-btn"
variant="outline-primary"
iconBefore={prevArrow}
as={Link}
to={previousLink}
>
{shouldDisplayNotificationTriggerInSequence ? null : buttonText}
</Button>
);
}
return null;
};
const renderNextButton = () => {
const buttonText = intl.formatMessage(messages.nextBtnText);
const nextArrow = isRtl(getLocale()) ? ChevronLeftIcon : ChevronRightIcon;
if (!isLastUnit) {
return (
<Button
className="sequence-navigation-next-btn"
variant="outline-primary"
iconAfter={nextArrow}
as={Link}
to={nextLink}
>
{shouldDisplayNotificationTriggerInSequence ? null : buttonText}
</Button>
);
}
return null;
};
return sequenceStatus === RequestStatus.SUCCESSFUL && (
<nav
className={classNames('sequence-navigation d-flex', className)}
style={{ width: shouldDisplayNotificationTriggerInSequence ? '90%' : null }}
>
{renderPreviousButton()}
{renderUnitButtons()}
{renderNextButton()}
</nav>
);
};
SequenceNavigation.propTypes = {
courseId: PropTypes.string.isRequired,
unitId: PropTypes.string,
className: PropTypes.string,
sequenceId: PropTypes.string,
handleCreateNewCourseXBlock: PropTypes.func.isRequired,
showPasteUnit: PropTypes.bool.isRequired,
};
SequenceNavigation.defaultProps = {
sequenceId: null,
unitId: null,
className: undefined,
};
export default SequenceNavigation;