budibase/packages/builder/src/components/backend/DataTable/TablePagination.svelte

137 lines
3.2 KiB
Svelte

<script>
export let data
export let currentPage = 0
export let pageItemCount
export let ITEMS_PER_PAGE
let numPages = 0
$: numPages = Math.ceil((data?.length ?? 0) / ITEMS_PER_PAGE)
$: displayAllPages = numPages <= 10
$: pagesAroundCurrent = getPagesAroundCurrent(currentPage, numPages)
const next = () => {
if (currentPage + 1 === numPages) return
currentPage = currentPage + 1
}
const previous = () => {
if (currentPage == 0) return
currentPage = currentPage - 1
}
const selectPage = page => {
currentPage = page
}
function getPagesAroundCurrent(current, max) {
console.log(current)
const start = Math.max(current - 2, 1)
const end = Math.min(current + 2, max - 2)
let pages = []
for (let i = start; i <= end; i++) {
pages.push(i)
}
return pages
}
</script>
<div class="pagination">
<div class="pagination__buttons">
<button on:click={previous} disabled={currentPage === 0}>&lt;</button>
{#if displayAllPages}
{#each Array(numPages) as _, idx}
<button
class:selected={idx === currentPage}
on:click={() => selectPage(idx)}>
{idx + 1}
</button>
{/each}
{:else}
<button class:selected={currentPage === 0} on:click={() => selectPage(0)}>
1
</button>
{#if currentPage > 3}
<button disabled>...</button>
{/if}
{#each pagesAroundCurrent as idx}
<button
class:selected={idx === currentPage}
on:click={() => selectPage(idx)}>
{idx + 1}
</button>
{/each}
{#if currentPage < numPages - 4}
<button disabled>...</button>
{/if}
<button
class:selected={currentPage === numPages - 1}
on:click={() => selectPage(numPages - 1)}>
{numPages}
</button>
{/if}
<button
on:click={next}
disabled={currentPage === numPages - 1 || numPages === 0}>
&gt;
</button>
</div>
<p>
{#if numPages > 1}
Showing {ITEMS_PER_PAGE * currentPage + 1} - {ITEMS_PER_PAGE * currentPage + pageItemCount}
of {data.length} rows
{:else if numPages === 1}Showing all {data.length} row(s){/if}
</p>
</div>
<style>
.pagination {
width: 100%;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
}
.pagination__buttons {
display: flex;
border: 1px solid var(--grey-4);
border-radius: var(--border-radius-s);
overflow: hidden;
}
.pagination__buttons button {
display: inline-block;
padding: var(--spacing-s) 0;
text-align: center;
margin: 0;
background: #fff;
border: none;
outline: none;
border-right: 1px solid var(--grey-4);
text-transform: capitalize;
min-width: 20px;
transition: 0.3s background-color;
font-family: var(--font-sans);
color: var(--grey-6);
width: 40px;
}
.pagination__buttons button:last-child {
border-right: none;
}
.pagination__buttons button:hover {
cursor: pointer;
background-color: var(--grey-1);
}
.pagination__buttons button.selected {
background: var(--blue);
color: white;
}
p {
font-size: var(--font-size-s);
margin: var(--spacing-xl) 0;
color: var(--grey-6);
}
</style>