From d1d654ebac2d51e3841675faeb56480e440f622f Mon Sep 17 00:00:00 2001
From: Wolfgang Müller
Date: Tue, 5 Mar 2024 18:08:09 +0100
Subject: Initial commit

---
 frontend/src/lib/pagination/Pagination.svelte | 45 +++++++++++++++++++++++++++
 frontend/src/lib/pagination/Target.svelte     | 21 +++++++++++++
 2 files changed, 66 insertions(+)
 create mode 100644 frontend/src/lib/pagination/Pagination.svelte
 create mode 100644 frontend/src/lib/pagination/Target.svelte

(limited to 'frontend/src/lib/pagination')

diff --git a/frontend/src/lib/pagination/Pagination.svelte b/frontend/src/lib/pagination/Pagination.svelte
new file mode 100644
index 0000000..51612f4
--- /dev/null
+++ b/frontend/src/lib/pagination/Pagination.svelte
@@ -0,0 +1,45 @@
+<script lang="ts">
+	import { getPaginationContext } from '$lib/Pagination';
+	import Target from './Target.svelte';
+
+	const pagination = getPaginationContext();
+	export let context = 2;
+
+	$: totalPages = Math.ceil($pagination.total / $pagination.items);
+	$: rightBoundary = $pagination.page - context;
+	$: leftBoundary = $pagination.page + context;
+
+	$: shiftRight = leftBoundary - totalPages;
+	$: shiftLeft = 1 - rightBoundary;
+
+	$: containedLeft = leftBoundary <= totalPages;
+	$: containedRight = rightBoundary > 0;
+
+	$: start = Math.max(1, containedLeft ? rightBoundary : rightBoundary - shiftRight);
+	$: end = Math.min(totalPages, containedRight ? leftBoundary : leftBoundary + shiftLeft);
+
+	$: leftmost = $pagination.page <= 1;
+	$: rightmost = $pagination.page >= totalPages;
+</script>
+
+{#if totalPages > 1}
+	<div class="flex justify-center gap-2">
+		<Target disabled={leftmost} page={1}>
+			<span class="icon-base icon-[material-symbols--keyboard-double-arrow-left]" />
+		</Target>
+		<Target disabled={leftmost} page={$pagination.page - 1}>
+			<span class="icon-base icon-[material-symbols--keyboard-arrow-left]" />
+		</Target>
+		{#each Array.from({ length: end + 1 - start }, (_, i) => i + start) as page}
+			<Target active={$pagination.page === page} {page}>
+				<p>{page.toString()}</p>
+			</Target>
+		{/each}
+		<Target disabled={rightmost} page={$pagination.page + 1}>
+			<span class="icon-base icon-[material-symbols--keyboard-arrow-right]" />
+		</Target>
+		<Target disabled={rightmost} page={totalPages}>
+			<span class="icon-base icon-[material-symbols--keyboard-double-arrow-right]" />
+		</Target>
+	</div>
+{/if}
diff --git a/frontend/src/lib/pagination/Target.svelte b/frontend/src/lib/pagination/Target.svelte
new file mode 100644
index 0000000..9044bb9
--- /dev/null
+++ b/frontend/src/lib/pagination/Target.svelte
@@ -0,0 +1,21 @@
+<script lang="ts">
+	import { page as pageStore } from '$app/stores';
+	import { navigate } from '$lib/Navigation';
+
+	export let active = false;
+
+	export let disabled = false;
+	export let page: number;
+</script>
+
+<button
+	on:click={() => {
+		navigate({ pagination: { page: page } }, $pageStore.url.searchParams);
+	}}
+	class:bg-slate-700={active}
+	class:bg-slate-800={!active}
+	class="flex h-8 w-8 items-center justify-center rounded-sm p-0 text-base hover:text-white disabled:text-slate-600"
+	{disabled}
+>
+	<slot />
+</button>
-- 
cgit v1.2.3-2-gb3c3