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impress/app/javascript/wardrobe-2020/components/PaginationToolbar.js

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JavaScript
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import React from "react";
import { Box, Button, Flex, Select } from "@chakra-ui/react";
function PaginationToolbar({
isLoading,
numTotalPages,
currentPageNumber,
goToPageNumber,
buildPageUrl,
size = "md",
...props
}) {
const pagesAreLoaded = currentPageNumber != null && numTotalPages != null;
const hasPrevPage = pagesAreLoaded && currentPageNumber > 1;
const hasNextPage = pagesAreLoaded && currentPageNumber < numTotalPages;
const prevPageUrl = hasPrevPage ? buildPageUrl(currentPageNumber - 1) : null;
const nextPageUrl = hasNextPage ? buildPageUrl(currentPageNumber + 1) : null;
return (
<Flex align="center" justify="space-between" {...props}>
<LinkOrButton
href={prevPageUrl}
onClick={
prevPageUrl == null
? () => goToPageNumber(currentPageNumber - 1)
: undefined
}
_disabled={{
cursor: isLoading ? "wait" : "not-allowed",
opacity: 0.4,
}}
isDisabled={!hasPrevPage}
size={size}
>
Prev
</LinkOrButton>
{numTotalPages > 0 && (
<Flex align="center" paddingX="4" fontSize={size}>
<Box flex="0 0 auto">Page</Box>
<Box width="1" />
<PageNumberSelect
currentPageNumber={currentPageNumber}
numTotalPages={numTotalPages}
onChange={goToPageNumber}
marginBottom="-2px"
size={size}
/>
<Box width="1" />
<Box flex="0 0 auto">of {numTotalPages}</Box>
</Flex>
)}
<LinkOrButton
href={nextPageUrl}
onClick={
nextPageUrl == null
? () => goToPageNumber(currentPageNumber + 1)
: undefined
}
_disabled={{
cursor: isLoading ? "wait" : "not-allowed",
opacity: 0.4,
}}
isDisabled={!hasNextPage}
size={size}
>
Next
</LinkOrButton>
</Flex>
);
}
function LinkOrButton({ href, ...props }) {
if (href != null) {
return <Button as="a" href={href} {...props} />;
} else {
return <Button {...props} />;
}
}
function PageNumberSelect({
currentPageNumber,
numTotalPages,
onChange,
...props
}) {
const allPageNumbers = Array.from({ length: numTotalPages }, (_, i) => i + 1);
const handleChange = React.useCallback(
(e) => onChange(Number(e.target.value)),
[onChange],
);
return (
<Select
value={currentPageNumber}
onChange={handleChange}
width="7ch"
variant="flushed"
textAlign="center"
{...props}
>
{allPageNumbers.map((pageNumber) => (
<option key={pageNumber} value={pageNumber}>
{pageNumber}
</option>
))}
</Select>
);
}
export default PaginationToolbar;