funkwhale/front/src/components/Pagination.vue

113 lines
3.0 KiB
Vue

<template>
<div
v-if="maxPage > 1"
class="ui pagination menu component-pagination"
role="navigation"
:aria-label="labels.pagination"
>
<a
href
:disabled="current - 1 < 1 || null"
role="button"
:aria-label="labels.previousPage"
:class="[{'disabled': current - 1 < 1}, 'item']"
@click.prevent.stop="selectPage(current - 1)"
><i class="angle left icon" /></a>
<template v-if="!compact">
<a
v-for="page in pages"
:key="page"
href
:class="[{'active': page === current}, {'disabled': page === 'skip'}, 'item']"
@click.prevent.stop="selectPage(page)"
>
<span v-if="page !== 'skip'">{{ page }}</span>
<span v-else></span>
</a>
</template>
<a
href
:disabled="current + 1 > maxPage || null"
role="button"
:aria-label="labels.nextPage"
:class="[{'disabled': current + 1 > maxPage}, 'item']"
@click.prevent.stop="selectPage(current + 1)"
><i class="angle right icon" /></a>
</div>
</template>
<script>
import { range as lodashRange, sortBy, uniq } from 'lodash-es'
export default {
props: {
current: { type: Number, default: 1 },
paginateBy: { type: Number, default: 25 },
total: { type: Number, required: true },
compact: { type: Boolean, default: false }
},
computed: {
labels () {
return {
pagination: this.$pgettext('Content/*/Hidden text/Noun', 'Pagination'),
previousPage: this.$pgettext('Content/*/Link', 'Previous Page'),
nextPage: this.$pgettext('Content/*/Link', 'Next Page')
}
},
pages: function () {
const range = 2
const current = this.current
const beginning = lodashRange(1, Math.min(this.maxPage, 1 + range))
const middle = lodashRange(
Math.max(1, current - range + 1),
Math.min(this.maxPage, current + range)
)
const end = lodashRange(this.maxPage, Math.max(1, this.maxPage - range))
let allowed = beginning.concat(middle, end)
allowed = uniq(allowed)
allowed = sortBy(allowed, [
e => {
return e
}
])
const final = []
allowed.forEach(p => {
const last = final.slice(-1)[0]
let consecutive = true
if (last === 'skip') {
consecutive = false
} else {
if (!last) {
consecutive = true
} else {
consecutive = last + 1 === p
}
}
if (consecutive) {
final.push(p)
} else {
if (p !== 'skip') {
final.push('skip')
final.push(p)
}
}
})
return final
},
maxPage: function () {
return Math.ceil(this.total / this.paginateBy)
}
},
methods: {
selectPage: function (page) {
if (page > this.maxPage || page < 1) {
return
}
if (this.current !== page) {
this.$emit('page-changed', page)
}
}
}
}
</script>