528 lines
15 KiB
Vue
528 lines
15 KiB
Vue
<script>
|
||
import PropTypes from '../_util/vue-types'
|
||
import BaseMixin from '../_util/BaseMixin'
|
||
import { hasProp } from '../_util/props-util'
|
||
import Pager from './Pager'
|
||
import Options from './Options'
|
||
import LOCALE from './locale/zh_CN'
|
||
import KEYCODE from './KeyCode'
|
||
|
||
function noop () {
|
||
}
|
||
|
||
// 是否是正整数
|
||
function isInteger (value) {
|
||
return typeof value === 'number' &&
|
||
isFinite(value) &&
|
||
Math.floor(value) === value
|
||
}
|
||
|
||
function defaultItemRender (page, type, element) {
|
||
return element
|
||
}
|
||
|
||
export default {
|
||
name: 'Pagination',
|
||
mixins: [BaseMixin],
|
||
props: {
|
||
prefixCls: PropTypes.string.def('rc-pagination'),
|
||
selectPrefixCls: PropTypes.string.def('rc-select'),
|
||
current: PropTypes.number,
|
||
defaultCurrent: PropTypes.number.def(1),
|
||
total: PropTypes.number.def(0),
|
||
pageSize: PropTypes.number,
|
||
defaultPageSize: PropTypes.number.def(10),
|
||
change: PropTypes.func.def(noop),
|
||
hideOnSinglePage: PropTypes.bool.def(false),
|
||
showSizeChanger: PropTypes.bool.def(false),
|
||
showLessItems: PropTypes.bool.def(false),
|
||
// showSizeChange: PropTypes.func.def(noop),
|
||
selectComponentClass: PropTypes.any,
|
||
showQuickJumper: PropTypes.oneOfType([PropTypes.bool, PropTypes.object]).def(false),
|
||
showTitle: PropTypes.bool.def(true),
|
||
pageSizeOptions: PropTypes.arrayOf(PropTypes.string),
|
||
showTotal: PropTypes.func,
|
||
simple: PropTypes.bool,
|
||
locale: PropTypes.object.def(LOCALE),
|
||
itemRender: PropTypes.func.def(defaultItemRender),
|
||
},
|
||
model: {
|
||
prop: 'current',
|
||
},
|
||
data () {
|
||
const hasOnChange = this.onChange !== noop
|
||
const hasCurrent = hasProp(this, 'current')
|
||
if (hasCurrent && !hasOnChange) {
|
||
console.warn('Warning: You provided a `current` prop to a Pagination component without an `onChange` handler. This will render a read-only component.'); // eslint-disable-line
|
||
}
|
||
let current = this.defaultCurrent
|
||
if (hasCurrent) {
|
||
current = this.current
|
||
}
|
||
|
||
let pageSize = this.defaultPageSize
|
||
if (hasProp(this, 'pageSize')) {
|
||
pageSize = this.pageSize
|
||
}
|
||
|
||
return {
|
||
stateCurrent: current,
|
||
stateCurrentInputValue: current,
|
||
statePageSize: pageSize,
|
||
}
|
||
},
|
||
watch: {
|
||
current (val) {
|
||
this.setState({
|
||
stateCurrent: val,
|
||
stateCurrentInputValue: val,
|
||
})
|
||
},
|
||
pageSize (val) {
|
||
const newState = {}
|
||
let current = this.current
|
||
const newCurrent = this.calculatePage(val)
|
||
current = current > newCurrent ? newCurrent : current
|
||
if (hasProp(this, 'current')) {
|
||
newState.stateCurrent = current
|
||
newState.stateCurrentInputValue = current
|
||
}
|
||
newState.statePageSize = val
|
||
this.setState(newState)
|
||
},
|
||
},
|
||
methods: {
|
||
isValid (page) {
|
||
return isInteger(page) && page >= 1 && page !== this.stateCurrent
|
||
},
|
||
calculatePage (p) {
|
||
let pageSize = p
|
||
if (typeof pageSize === 'undefined') {
|
||
pageSize = this.statePageSize
|
||
}
|
||
return Math.floor((this.total - 1) / pageSize) + 1
|
||
},
|
||
handleGoTO (event) {
|
||
if (event.keyCode === KEYCODE.ENTER || event.type === 'click') {
|
||
this.handleChange(this.stateCurrentInputValue)
|
||
}
|
||
},
|
||
prev () {
|
||
if (this.hasPrev()) {
|
||
this.handleChange(this.stateCurrent - 1)
|
||
}
|
||
},
|
||
next () {
|
||
if (this.hasNext()) {
|
||
this.handleChange(this.stateCurrent + 1)
|
||
}
|
||
},
|
||
hasPrev () {
|
||
return this.stateCurrent > 1
|
||
},
|
||
hasNext () {
|
||
return this.stateCurrent < this.calculatePage()
|
||
},
|
||
handleKeyDown (event) {
|
||
if (event.keyCode === KEYCODE.ARROW_UP || event.keyCode === KEYCODE.ARROW_DOWN) {
|
||
event.preventDefault()
|
||
}
|
||
},
|
||
handleKeyUp (event) {
|
||
const inputValue = event.target.value
|
||
const stateCurrentInputValue = this.stateCurrentInputValue
|
||
let value
|
||
|
||
if (inputValue === '') {
|
||
value = inputValue
|
||
} else if (isNaN(Number(inputValue))) {
|
||
value = stateCurrentInputValue
|
||
} else {
|
||
value = Number(inputValue)
|
||
}
|
||
|
||
if (value !== stateCurrentInputValue) {
|
||
this.setState({
|
||
stateCurrentInputValue: value,
|
||
})
|
||
}
|
||
|
||
if (event.keyCode === KEYCODE.ENTER) {
|
||
this.handleChange(value)
|
||
} else if (event.keyCode === KEYCODE.ARROW_UP) {
|
||
this.handleChange(value - 1)
|
||
} else if (event.keyCode === KEYCODE.ARROW_DOWN) {
|
||
this.handleChange(value + 1)
|
||
}
|
||
},
|
||
changePageSize (size) {
|
||
let current = this.stateCurrent
|
||
const newCurrent = this.calculatePage(size)
|
||
current = current > newCurrent ? newCurrent : current
|
||
if (typeof size === 'number') {
|
||
if (!hasProp(this, 'pageSize')) {
|
||
this.setState({
|
||
statePageSize: size,
|
||
})
|
||
}
|
||
if (!hasProp(this, 'current')) {
|
||
this.setState({
|
||
stateCurrent: current,
|
||
stateCurrentInputValue: current,
|
||
})
|
||
}
|
||
}
|
||
this.$emit('showSizeChange', current, size)
|
||
},
|
||
handleChange (p) {
|
||
let page = p
|
||
if (this.isValid(page)) {
|
||
const allTotal = this.calculatePage()
|
||
if (page > allTotal) {
|
||
page = allTotal
|
||
}
|
||
if (!hasProp(this, 'current')) {
|
||
this.setState({
|
||
stateCurrent: page,
|
||
stateCurrentInputValue: page,
|
||
})
|
||
}
|
||
this.$emit('input', page)
|
||
this.$emit('change', page, this.statePageSize)
|
||
return page
|
||
}
|
||
return this.stateCurrent
|
||
},
|
||
runIfEnter (event, callback, ...restParams) {
|
||
if (event.key === 'Enter' || event.charCode === 13) {
|
||
callback(...restParams)
|
||
}
|
||
},
|
||
runIfEnterPrev (event) {
|
||
this.runIfEnter(event, this.prev)
|
||
},
|
||
runIfEnterNext (event) {
|
||
this.runIfEnter(event, this.next)
|
||
},
|
||
runIfEnterJumpPrev (event) {
|
||
this.runIfEnter(event, this.jumpPrev)
|
||
},
|
||
runIfEnterJumpNext (event) {
|
||
this.runIfEnter(event, this.jumpNext)
|
||
},
|
||
getJumpPrevPage () {
|
||
return Math.max(1, this.stateCurrent - (this.showLessItems ? 3 : 5))
|
||
},
|
||
getJumpNextPage () {
|
||
return Math.min(this.calculatePage(), this.stateCurrent + (this.showLessItems ? 3 : 5))
|
||
},
|
||
jumpPrev () {
|
||
this.handleChange(this.getJumpPrevPage())
|
||
},
|
||
jumpNext () {
|
||
this.handleChange(this.getJumpNextPage())
|
||
},
|
||
},
|
||
render () {
|
||
// When hideOnSinglePage is true and there is only 1 page, hide the pager
|
||
if (this.hideOnSinglePage === true && this.total <= this.statePageSize) {
|
||
return null
|
||
}
|
||
|
||
const locale = this.locale
|
||
|
||
const prefixCls = this.prefixCls
|
||
const allPages = this.calculatePage()
|
||
const pagerList = []
|
||
let jumpPrev = null
|
||
let jumpNext = null
|
||
let firstPager = null
|
||
let lastPager = null
|
||
let gotoButton = null
|
||
|
||
const goButton = (this.showQuickJumper && this.showQuickJumper.goButton)
|
||
const pageBufferSize = this.showLessItems ? 1 : 2
|
||
const { stateCurrent, statePageSize } = this
|
||
const prevPage = stateCurrent - 1 > 0 ? stateCurrent - 1 : 0
|
||
const nextPage = stateCurrent + 1 < allPages ? stateCurrent + 1 : allPages
|
||
|
||
if (this.simple) {
|
||
if (goButton) {
|
||
if (typeof goButton === 'boolean') {
|
||
gotoButton = (
|
||
<button
|
||
type='button'
|
||
onClick={this.handleGoTO}
|
||
onKeyUp={this.handleGoTO}
|
||
>
|
||
{locale.jump_to_confirm}
|
||
</button>
|
||
)
|
||
} else {
|
||
gotoButton = (
|
||
<span
|
||
onClick={this.handleGoTO}
|
||
onKeyUp={this.handleGoTO}
|
||
>{goButton}</span>
|
||
)
|
||
}
|
||
gotoButton = (
|
||
<li
|
||
title={this.showTitle ? `${locale.jump_to}${this.stateCurrent}/${allPages}` : null}
|
||
class={`${prefixCls}-simple-pager`}
|
||
>
|
||
{gotoButton}
|
||
</li>
|
||
)
|
||
}
|
||
return (
|
||
<ul class={`${prefixCls} ${prefixCls}-simple`}>
|
||
<li
|
||
title={this.showTitle ? locale.prev_page : null}
|
||
onClick={this.prev}
|
||
tabIndex='0'
|
||
onKeypress={this.runIfEnterPrev}
|
||
class={`${this.hasPrev() ? '' : `${prefixCls}-disabled`} ${prefixCls}-prev`}
|
||
aria-disabled={!this.hasPrev()}
|
||
>
|
||
{this.itemRender(prevPage, 'prev', <a class={`${prefixCls}-item-link`} />)}
|
||
</li>
|
||
<li
|
||
title={this.showTitle ? `${stateCurrent}/${allPages}` : null}
|
||
class={`${prefixCls}-simple-pager`}
|
||
>
|
||
<input
|
||
type='text'
|
||
value={this.stateCurrentInputValue}
|
||
onKeydown={this.handleKeyDown}
|
||
onKeyup={this.handleKeyUp}
|
||
onChange={this.handleKeyUp}
|
||
size='3'
|
||
/>
|
||
<span class={`${prefixCls}-slash`}>／</span>
|
||
{allPages}
|
||
</li>
|
||
<li
|
||
title={this.showTitle ? locale.next_page : null}
|
||
onClick={this.next}
|
||
tabIndex='0'
|
||
onKeypress={this.runIfEnterNext}
|
||
class={`${this.hasNext() ? '' : `${prefixCls}-disabled`} ${prefixCls}-next`}
|
||
aria-disabled={!this.hasNext()}
|
||
>
|
||
{this.itemRender(nextPage, 'next', <a class={`${prefixCls}-item-link`} />)}
|
||
</li>
|
||
{gotoButton}
|
||
</ul>
|
||
)
|
||
}
|
||
|
||
if (allPages <= 5 + pageBufferSize * 2) {
|
||
for (let i = 1; i <= allPages; i++) {
|
||
const active = stateCurrent === i
|
||
pagerList.push(
|
||
<Pager
|
||
locale={locale}
|
||
rootPrefixCls={prefixCls}
|
||
onClick={this.handleChange}
|
||
onKeypress={this.runIfEnter}
|
||
key={i}
|
||
page={i}
|
||
active={active}
|
||
showTitle={this.showTitle}
|
||
itemRender={this.itemRender}
|
||
/>
|
||
)
|
||
}
|
||
} else {
|
||
const prevItemTitle = this.showLessItems ? locale.prev_3 : locale.prev_5
|
||
const nextItemTitle = this.showLessItems ? locale.next_3 : locale.next_5
|
||
jumpPrev = (
|
||
<li
|
||
title={this.showTitle ? prevItemTitle : null}
|
||
key='prev'
|
||
onClick={this.jumpPrev}
|
||
tabIndex='0'
|
||
onKeypress={this.runIfEnterJumpPrev}
|
||
class={`${prefixCls}-jump-prev`}
|
||
>
|
||
{this.itemRender(
|
||
this.getJumpPrevPage(), 'jump-prev', <a class={`${prefixCls}-item-link`} />
|
||
)}
|
||
</li>
|
||
)
|
||
jumpNext = (
|
||
<li
|
||
title={this.showTitle ? nextItemTitle : null}
|
||
key='next'
|
||
tabIndex='0'
|
||
onClick={this.jumpNext}
|
||
onKeypress={this.runIfEnterJumpNext}
|
||
class={`${prefixCls}-jump-next`}
|
||
>
|
||
{this.itemRender(
|
||
this.getJumpNextPage(), 'jump-next', <a class={`${prefixCls}-item-link`} />
|
||
)}
|
||
</li>
|
||
)
|
||
lastPager = (
|
||
<Pager
|
||
locale={locale}
|
||
last
|
||
rootPrefixCls={prefixCls}
|
||
onClick={this.handleChange}
|
||
onKeypress={this.runIfEnter}
|
||
key={allPages}
|
||
page={allPages}
|
||
active={false}
|
||
showTitle={this.showTitle}
|
||
itemRender={this.itemRender}
|
||
/>
|
||
)
|
||
firstPager = (
|
||
<Pager
|
||
locale={locale}
|
||
rootPrefixCls={prefixCls}
|
||
onClick={this.handleChange}
|
||
onKeypress={this.runIfEnter}
|
||
key={1}
|
||
page={1}
|
||
active={false}
|
||
showTitle={this.showTitle}
|
||
itemRender={this.itemRender}
|
||
/>
|
||
)
|
||
|
||
let left = Math.max(1, stateCurrent - pageBufferSize)
|
||
let right = Math.min(stateCurrent + pageBufferSize, allPages)
|
||
|
||
if (stateCurrent - 1 <= pageBufferSize) {
|
||
right = 1 + pageBufferSize * 2
|
||
}
|
||
|
||
if (allPages - stateCurrent <= pageBufferSize) {
|
||
left = allPages - pageBufferSize * 2
|
||
}
|
||
|
||
for (let i = left; i <= right; i++) {
|
||
const active = stateCurrent === i
|
||
pagerList.push(
|
||
<Pager
|
||
locale={locale}
|
||
rootPrefixCls={prefixCls}
|
||
onClick={this.handleChange}
|
||
onKeypress={this.runIfEnter}
|
||
key={i}
|
||
page={i}
|
||
active={active}
|
||
showTitle={this.showTitle}
|
||
itemRender={this.itemRender}
|
||
/>
|
||
)
|
||
}
|
||
|
||
if (stateCurrent - 1 >= pageBufferSize * 2 && stateCurrent !== 1 + 2) {
|
||
pagerList[0] = (
|
||
<Pager
|
||
locale={locale}
|
||
rootPrefixCls={prefixCls}
|
||
onClick={this.handleChange}
|
||
onKeypress={this.runIfEnter}
|
||
key={left}
|
||
page={left}
|
||
class={`${prefixCls}-item-after-jump-prev`}
|
||
active={false}
|
||
showTitle={this.showTitle}
|
||
itemRender={this.itemRender}
|
||
/>
|
||
)
|
||
pagerList.unshift(jumpPrev)
|
||
}
|
||
if (allPages - stateCurrent >= pageBufferSize * 2 && stateCurrent !== allPages - 2) {
|
||
pagerList[pagerList.length - 1] = (
|
||
<Pager
|
||
locale={locale}
|
||
rootPrefixCls={prefixCls}
|
||
onClick={this.handleChange}
|
||
onKeypress={this.runIfEnter}
|
||
key={right}
|
||
page={right}
|
||
class={`${prefixCls}-item-before-jump-next`}
|
||
active={false}
|
||
showTitle={this.showTitle}
|
||
itemRender={this.itemRender}
|
||
/>
|
||
)
|
||
pagerList.push(jumpNext)
|
||
}
|
||
|
||
if (left !== 1) {
|
||
pagerList.unshift(firstPager)
|
||
}
|
||
if (right !== allPages) {
|
||
pagerList.push(lastPager)
|
||
}
|
||
}
|
||
|
||
let totalText = null
|
||
|
||
if (this.showTotal) {
|
||
totalText = (
|
||
<li class={`${prefixCls}-total-text`}>
|
||
{this.showTotal(
|
||
this.total,
|
||
[
|
||
(stateCurrent - 1) * statePageSize + 1,
|
||
stateCurrent * statePageSize > this.total ? this.total : stateCurrent * statePageSize,
|
||
]
|
||
)}
|
||
</li>
|
||
)
|
||
}
|
||
const prevDisabled = !this.hasPrev()
|
||
const nextDisabled = !this.hasNext()
|
||
return (
|
||
<ul
|
||
class={`${prefixCls}`}
|
||
unselectable='unselectable'
|
||
>
|
||
{totalText}
|
||
<li
|
||
title={this.showTitle ? locale.prev_page : null}
|
||
onClick={this.prev}
|
||
tabIndex='0'
|
||
onKeypress={this.runIfEnterPrev}
|
||
class={`${!prevDisabled ? '' : `${prefixCls}-disabled`} ${prefixCls}-prev`}
|
||
aria-disabled={prevDisabled}
|
||
>
|
||
{this.itemRender(prevPage, 'prev', <a class={`${prefixCls}-item-link`} />)}
|
||
</li>
|
||
{pagerList}
|
||
<li
|
||
title={this.showTitle ? locale.next_page : null}
|
||
onClick={this.next}
|
||
tabIndex='0'
|
||
onKeypress={this.runIfEnterNext}
|
||
class={`${!nextDisabled ? '' : `${prefixCls}-disabled`} ${prefixCls}-next`}
|
||
aria-disabled={nextDisabled}
|
||
>
|
||
{this.itemRender(nextPage, 'next', <a class={`${prefixCls}-item-link`} />)}
|
||
</li>
|
||
<Options
|
||
locale={locale}
|
||
rootPrefixCls={prefixCls}
|
||
selectComponentClass={this.selectComponentClass}
|
||
selectPrefixCls={this.selectPrefixCls}
|
||
changeSize={this.showSizeChanger ? this.changePageSize : null}
|
||
current={stateCurrent}
|
||
pageSize={statePageSize}
|
||
pageSizeOptions={this.pageSizeOptions}
|
||
quickGo={this.showQuickJumper ? this.handleChange : null}
|
||
goButton={goButton}
|
||
/>
|
||
</ul>
|
||
)
|
||
},
|
||
}
|
||
</script>
|