Press n or j to go to the next uncovered block, b, p or k for the previous block.
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* Copyright (C) 2010 - 2025 VREM Software Development <VREMSoftwareDevelopment@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http: //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Bandwidth Monitor
*/
import React from 'react';
import PropTypes from 'prop-types';
import { Box, IconButton, TablePagination } from '@mui/material';
import { FirstPage, KeyboardArrowLeft, KeyboardArrowRight, LastPage } from '@mui/icons-material';
const lastPage = (count, rowsPerPage) => Math.ceil(count / rowsPerPage) - 1;
const isFirstPage = (page) => page === 0;
const isLastPage = (page, count, rowsPerPage) => page >= lastPage(count, rowsPerPage);
const FirstPageAction = ({ page, onPageChange }) => (
<IconButton onClick={(event) => onPageChange(event, 0)} disabled={isFirstPage(page)} aria-label="first page">
<FirstPage />
</IconButton>
);
FirstPageAction.propTypes = { page: PropTypes.number.isRequired, onPageChange: PropTypes.func.isRequired };
const LastPageAction = ({ count, page, rowsPerPage, onPageChange }) => (
<IconButton
onClick={(event) => onPageChange(event, Math.max(0, lastPage(count, rowsPerPage)))}
disabled={isLastPage(page, count, rowsPerPage)}
aria-label="last page"
>
<LastPage />
</IconButton>
);
LastPageAction.propTypes = {
count: PropTypes.number.isRequired,
page: PropTypes.number.isRequired,
rowsPerPage: PropTypes.number.isRequired,
onPageChange: PropTypes.func.isRequired,
};
const PreviousPageAction = ({ page, onPageChange }) => (
<IconButton onClick={(event) => onPageChange(event, page - 1)} disabled={isFirstPage(page)} aria-label="previous page">
<KeyboardArrowLeft />
</IconButton>
);
PreviousPageAction.propTypes = { page: PropTypes.number.isRequired, onPageChange: PropTypes.func.isRequired };
const NextPageAction = ({ count, page, rowsPerPage, onPageChange }) => (
<IconButton
onClick={(event) => onPageChange(event, page + 1)}
disabled={isLastPage(page, count, rowsPerPage)}
aria-label="next page"
>
<KeyboardArrowRight />
</IconButton>
);
NextPageAction.propTypes = {
count: PropTypes.number.isRequired,
page: PropTypes.number.isRequired,
rowsPerPage: PropTypes.number.isRequired,
onPageChange: PropTypes.func.isRequired,
};
const options = { flexShrink: 0, display: 'flex' };
const Actions = ({ count, page, rowsPerPage, onPageChange }) => (
<Box sx={options}>
<FirstPageAction page={page} onPageChange={onPageChange} />
<PreviousPageAction page={page} onPageChange={onPageChange} />
<NextPageAction page={page} onPageChange={onPageChange} count={count} rowsPerPage={rowsPerPage} />
<LastPageAction page={page} onPageChange={onPageChange} count={count} rowsPerPage={rowsPerPage} />
</Box>
);
Actions.propTypes = {
count: PropTypes.number.isRequired,
page: PropTypes.number.isRequired,
rowsPerPage: PropTypes.number.isRequired,
onPageChange: PropTypes.func.isRequired,
};
const rowsPerPageOptions = (rowsPerPage, count) => {
let rowsPerPageOptions = [rowsPerPage];
if (rowsPerPage !== count) {
for (let i = rowsPerPage * 2; i < count; i *= 2) {
rowsPerPageOptions.push(i);
}
rowsPerPageOptions.push(count);
}
return rowsPerPageOptions;
};
const Pagination = (props) => {
const options = rowsPerPageOptions(Math.min(props.minimum, props.count), props.count);
const selectProps = {
inputProps: { 'aria-label': 'rows per page' },
native: true,
id: 'select-rows-per-page-id',
labelId: 'select-label-rows-per-page-id',
};
return (
<TablePagination
{...props}
labelRowsPerPage=""
slotProps={{ select: selectProps }}
rowsPerPageOptions={options}
ActionsComponent={Actions}
/>
);
};
Pagination.propTypes = { count: PropTypes.number.isRequired, minimum: PropTypes.number.isRequired };
export {
Pagination,
rowsPerPageOptions,
FirstPageAction,
LastPageAction,
PreviousPageAction,
NextPageAction,
lastPage,
isFirstPage,
isLastPage,
};
export default Pagination;
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