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Custom PaginationComponent for React Table when it is not practical to know total # of pages
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/** | |
* Override React Table pagination component to be able to control Previous/Next | |
*/ | |
import React, { Component } from 'react' | |
import classnames from 'classnames' | |
const defaultButton = props => ( | |
<button type="button" {...props} className="-btn"> | |
{props.children} | |
</button> | |
) | |
export default class ReactTablePagination extends Component { | |
constructor (props) { | |
super() | |
this.getSafePage = this.getSafePage.bind(this) | |
this.changePage = this.changePage.bind(this) | |
this.applyPage = this.applyPage.bind(this) | |
this.state = { | |
page: props.page, | |
} | |
} | |
componentWillReceiveProps (nextProps) { | |
this.setState({ page: nextProps.page }) | |
} | |
getSafePage (page) { | |
if (isNaN(page)) { | |
page = this.props.page | |
} | |
if (this.props.canNextFromData) | |
return page | |
return Math.min(Math.max(page, 0), this.props.pages - 1) | |
} | |
changePage (page) { | |
page = this.getSafePage(page) | |
this.setState({ page }) | |
if (this.props.page !== page) { | |
this.props.onPageChange(page) | |
} | |
} | |
applyPage (e) { | |
if (e) { e.preventDefault() } | |
const page = this.state.page | |
this.changePage(page === '' ? this.props.page : page) | |
} | |
render () { | |
const { | |
// Computed | |
pages, | |
// Props | |
page, | |
showPageSizeOptions, | |
pageSizeOptions, | |
pageSize, | |
data, | |
showPageJump, | |
canPrevious, | |
canNextFromData, | |
onPageSizeChange, | |
className, | |
PreviousComponent = defaultButton, | |
NextComponent = defaultButton, | |
showTotalPages = true | |
} = this.props | |
const canNext = this.props.canNextFromData | |
? data && data.length == pageSize | |
: this.props.canNext | |
return ( | |
<div | |
className={classnames(className, '-pagination')} | |
style={this.props.style} | |
> | |
<div className="-previous"> | |
<PreviousComponent | |
onClick={() => { | |
if (!canPrevious) return | |
this.changePage(page - 1) | |
}} | |
disabled={!canPrevious} | |
> | |
{this.props.previousText} | |
</PreviousComponent> | |
</div> | |
<div className="-center"> | |
<span className="-pageInfo"> | |
{this.props.pageText}{' '} | |
{showPageJump | |
? <div className="-pageJump"> | |
<input | |
type={this.state.page === '' ? 'text' : 'number'} | |
onChange={e => { | |
const val = e.target.value | |
const page = val - 1 | |
if (val === '') { | |
return this.setState({ page: val }) | |
} | |
this.setState({ page: this.getSafePage(page) }) | |
}} | |
value={this.state.page === '' ? '' : this.state.page + 1} | |
onBlur={this.applyPage} | |
onKeyPress={e => { | |
if (e.which === 13 || e.keyCode === 13) { | |
this.applyPage() | |
} | |
}} | |
/> | |
</div> | |
: <span className="-currentPage"> | |
{page + 1} | |
</span>}{' '} | |
{showTotalPages | |
? | |
<React.Fragment> | |
{this.props.ofText}{' '} | |
<span className="-totalPages">{pages || 1}</span> | |
</React.Fragment> | |
: null} | |
</span> | |
{showPageSizeOptions && | |
<span className="select-wrap -pageSizeOptions"> | |
<select | |
onChange={e => onPageSizeChange(Number(e.target.value))} | |
value={pageSize} | |
> | |
{pageSizeOptions.map((option, i) => ( | |
// eslint-disable-next-line react/no-array-index-key | |
<option key={i} value={option}> | |
{option} {this.props.rowsText} | |
</option> | |
))} | |
</select> | |
</span>} | |
</div> | |
<div className="-next"> | |
<NextComponent | |
onClick={() => { | |
if (!canNext) return | |
this.changePage(page + 1) | |
}} | |
disabled={!canNext} | |
> | |
{this.props.nextText} | |
</NextComponent> | |
</div> | |
</div> | |
) | |
} | |
} |
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