refactor: Componentize HorizontalScrollCarousel

This commit is contained in:
Aleksander Grygier 2026-01-28 17:32:59 +01:00
parent bfbcdc7420
commit 85a61a7c96
3 changed files with 163 additions and 123 deletions

View File

@ -2,14 +2,15 @@
import {
ChatAttachmentMcpPrompt,
ChatAttachmentThumbnailImage,
ChatAttachmentThumbnailFile
ChatAttachmentThumbnailFile,
HorizontalScrollCarousel,
DialogChatAttachmentPreview,
DialogChatAttachmentsViewAll
} from '$lib/components/app';
import { Button } from '$lib/components/ui/button';
import { ChevronLeft, ChevronRight } from '@lucide/svelte';
import { DialogChatAttachmentPreview, DialogChatAttachmentsViewAll } from '$lib/components/app';
import { getAttachmentDisplayItems } from '$lib/utils';
import { AttachmentType } from '$lib/enums';
import type { DatabaseMessageExtraMcpPrompt } from '$lib/types';
import { getAttachmentDisplayItems } from '$lib/utils';
interface Props {
class?: string;
@ -47,12 +48,10 @@
let displayItems = $derived(getAttachmentDisplayItems({ uploadedFiles, attachments }));
let canScrollLeft = $state(false);
let canScrollRight = $state(false);
let carouselRef: HorizontalScrollCarousel | undefined = $state();
let isScrollable = $state(false);
let previewDialogOpen = $state(false);
let previewItem = $state<ChatAttachmentPreviewItem | null>(null);
let scrollContainer: HTMLDivElement | undefined = $state();
let showViewAll = $derived(limitToSingleRow && displayItems.length > 0 && isScrollable);
let viewAllDialogOpen = $state(false);
@ -71,41 +70,9 @@
previewDialogOpen = true;
}
function scrollLeft(event?: MouseEvent) {
event?.stopPropagation();
event?.preventDefault();
if (!scrollContainer) return;
scrollContainer.scrollBy({ left: scrollContainer.clientWidth * -0.67, behavior: 'smooth' });
}
function scrollRight(event?: MouseEvent) {
event?.stopPropagation();
event?.preventDefault();
if (!scrollContainer) return;
scrollContainer.scrollBy({ left: scrollContainer.clientWidth * 0.67, behavior: 'smooth' });
}
function updateScrollButtons() {
if (!scrollContainer) return;
const { scrollLeft, scrollWidth, clientWidth } = scrollContainer;
canScrollLeft = scrollLeft > 0;
canScrollRight = scrollLeft < scrollWidth - clientWidth - 1;
isScrollable = scrollWidth > clientWidth;
}
$effect(() => {
if (scrollContainer && displayItems.length) {
scrollContainer.scrollLeft = 0;
setTimeout(() => {
updateScrollButtons();
}, 0);
if (carouselRef && displayItems.length) {
carouselRef.resetScroll();
}
});
</script>
@ -113,93 +80,66 @@
{#if displayItems.length > 0}
<div class={className} {style}>
{#if limitToSingleRow}
<div class="relative">
<button
class="absolute top-1/2 left-4 z-10 flex h-6 w-6 -translate-y-1/2 items-center justify-center rounded-full bg-foreground/15 shadow-md backdrop-blur-xs transition-opacity hover:bg-foreground/35 {canScrollLeft
? 'opacity-100'
: 'pointer-events-none opacity-0'}"
onclick={scrollLeft}
aria-label="Scroll left"
>
<ChevronLeft class="h-4 w-4" />
</button>
<div
class="scrollbar-hide flex items-start gap-3 overflow-x-auto"
bind:this={scrollContainer}
onscroll={updateScrollButtons}
>
{#each displayItems as item (item.id)}
{#if item.isMcpPrompt}
{@const mcpPrompt =
item.attachment?.type === AttachmentType.MCP_PROMPT
? (item.attachment as DatabaseMessageExtraMcpPrompt)
: item.uploadedFile?.mcpPrompt
? {
type: AttachmentType.MCP_PROMPT as const,
name: item.name,
serverName: item.uploadedFile.mcpPrompt.serverName,
promptName: item.uploadedFile.mcpPrompt.promptName,
content: item.textContent ?? '',
arguments: item.uploadedFile.mcpPrompt.arguments
}
: null}
{#if mcpPrompt}
<ChatAttachmentMcpPrompt
class="max-w-[300px] min-w-[200px] flex-shrink-0 {limitToSingleRow
? 'first:ml-4 last:mr-4'
: ''}"
prompt={mcpPrompt}
{readonly}
isLoading={item.isLoading}
loadError={item.loadError}
onRemove={onFileRemove ? () => onFileRemove(item.id) : undefined}
/>
{/if}
{:else if item.isImage && item.preview}
<ChatAttachmentThumbnailImage
class="flex-shrink-0 cursor-pointer {limitToSingleRow
<HorizontalScrollCarousel
bind:this={carouselRef}
onScrollableChange={(scrollable) => (isScrollable = scrollable)}
>
{#each displayItems as item (item.id)}
{#if item.isMcpPrompt}
{@const mcpPrompt =
item.attachment?.type === AttachmentType.MCP_PROMPT
? (item.attachment as DatabaseMessageExtraMcpPrompt)
: item.uploadedFile?.mcpPrompt
? {
type: AttachmentType.MCP_PROMPT as const,
name: item.name,
serverName: item.uploadedFile.mcpPrompt.serverName,
promptName: item.uploadedFile.mcpPrompt.promptName,
content: item.textContent ?? '',
arguments: item.uploadedFile.mcpPrompt.arguments
}
: null}
{#if mcpPrompt}
<ChatAttachmentMcpPrompt
class="max-w-[300px] min-w-[200px] flex-shrink-0 {limitToSingleRow
? 'first:ml-4 last:mr-4'
: ''}"
id={item.id}
name={item.name}
preview={item.preview}
prompt={mcpPrompt}
{readonly}
onRemove={onFileRemove}
height={imageHeight}
width={imageWidth}
{imageClass}
onClick={(event) => openPreview(item, event)}
/>
{:else}
<ChatAttachmentThumbnailFile
class="flex-shrink-0 cursor-pointer {limitToSingleRow
? 'first:ml-4 last:mr-4'
: ''}"
id={item.id}
name={item.name}
size={item.size}
{readonly}
onRemove={onFileRemove}
textContent={item.textContent}
attachment={item.attachment}
uploadedFile={item.uploadedFile}
onClick={(event) => openPreview(item, event)}
isLoading={item.isLoading}
loadError={item.loadError}
onRemove={onFileRemove ? () => onFileRemove(item.id) : undefined}
/>
{/if}
{/each}
</div>
<button
class="absolute top-1/2 right-4 z-10 flex h-6 w-6 -translate-y-1/2 items-center justify-center rounded-full bg-foreground/15 shadow-md backdrop-blur-xs transition-opacity hover:bg-foreground/35 {canScrollRight
? 'opacity-100'
: 'pointer-events-none opacity-0'}"
onclick={scrollRight}
aria-label="Scroll right"
>
<ChevronRight class="h-4 w-4" />
</button>
</div>
{:else if item.isImage && item.preview}
<ChatAttachmentThumbnailImage
class="flex-shrink-0 cursor-pointer {limitToSingleRow ? 'first:ml-4 last:mr-4' : ''}"
id={item.id}
name={item.name}
preview={item.preview}
{readonly}
onRemove={onFileRemove}
height={imageHeight}
width={imageWidth}
{imageClass}
onClick={(event) => openPreview(item, event)}
/>
{:else}
<ChatAttachmentThumbnailFile
class="flex-shrink-0 cursor-pointer {limitToSingleRow ? 'first:ml-4 last:mr-4' : ''}"
id={item.id}
name={item.name}
size={item.size}
{readonly}
onRemove={onFileRemove}
textContent={item.textContent}
attachment={item.attachment}
uploadedFile={item.uploadedFile}
onClick={(event) => openPreview(item, event)}
/>
{/if}
{/each}
</HorizontalScrollCarousel>
{#if showViewAll}
<div class="mt-2 -mr-2 flex justify-end px-4">

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@ -0,0 +1,93 @@
<script lang="ts">
import { ChevronLeft, ChevronRight } from '@lucide/svelte';
interface Props {
class?: string;
children?: import('svelte').Snippet;
gapSize?: string;
onScrollableChange?: (isScrollable: boolean) => void;
}
let { class: className = '', children, gapSize = '3', onScrollableChange }: Props = $props();
let canScrollLeft = $state(false);
let canScrollRight = $state(false);
let scrollContainer: HTMLDivElement | undefined = $state();
function scrollLeft(event?: MouseEvent) {
event?.stopPropagation();
event?.preventDefault();
if (!scrollContainer) return;
scrollContainer.scrollBy({ left: scrollContainer.clientWidth * -0.67, behavior: 'smooth' });
}
function scrollRight(event?: MouseEvent) {
event?.stopPropagation();
event?.preventDefault();
if (!scrollContainer) return;
scrollContainer.scrollBy({ left: scrollContainer.clientWidth * 0.67, behavior: 'smooth' });
}
function updateScrollButtons() {
if (!scrollContainer) return;
const { scrollLeft, scrollWidth, clientWidth } = scrollContainer;
canScrollLeft = scrollLeft > 0;
canScrollRight = scrollLeft < scrollWidth - clientWidth - 1;
const isScrollable = scrollWidth > clientWidth;
onScrollableChange?.(isScrollable);
}
export function resetScroll() {
if (scrollContainer) {
scrollContainer.scrollLeft = 0;
setTimeout(() => {
updateScrollButtons();
}, 0);
}
}
$effect(() => {
if (scrollContainer) {
setTimeout(() => {
updateScrollButtons();
}, 0);
}
});
</script>
<div class="relative {className}">
<button
class="absolute top-1/2 left-4 z-10 flex h-6 w-6 -translate-y-1/2 items-center justify-center rounded-full bg-foreground/15 shadow-md backdrop-blur-xs transition-opacity hover:bg-foreground/35 {canScrollLeft
? 'opacity-100'
: 'pointer-events-none opacity-0'}"
onclick={scrollLeft}
aria-label="Scroll left"
>
<ChevronLeft class="h-4 w-4" />
</button>
<div
class="scrollbar-hide flex items-start gap-{gapSize} overflow-x-auto"
bind:this={scrollContainer}
onscroll={updateScrollButtons}
>
{@render children?.()}
</div>
<button
class="absolute top-1/2 right-4 z-10 flex h-6 w-6 -translate-y-1/2 items-center justify-center rounded-full bg-foreground/15 shadow-md backdrop-blur-xs transition-opacity hover:bg-foreground/35 {canScrollRight
? 'opacity-100'
: 'pointer-events-none opacity-0'}"
onclick={scrollRight}
aria-label="Scroll right"
>
<ChevronRight class="h-4 w-4" />
</button>
</div>

View File

@ -28,3 +28,10 @@ export { default as TruncatedText } from './TruncatedText.svelte';
* - Mode-specific UI (export vs import)
*/
export { default as ConversationSelection } from './ConversationSelection.svelte';
/**
* Horizontal scrollable carousel with navigation arrows.
* Used for displaying items in a horizontally scrollable container
* with left/right navigation buttons that appear on hover.
*/
export { default as HorizontalScrollCarousel } from './HorizontalScrollCarousel.svelte';