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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181<script lang="ts"> import { Tooltip } from 'bits-ui';
export type ImageGridItem = { imageUrl: string | null; link: string; label: string; };
let { items, layout = 'grid', shape = 'square', tooltip = false }: { items: ImageGridItem[]; layout?: 'grid' | 'cinema'; shape?: 'square' | 'circle'; tooltip?: boolean; } = $props();
let containerWidth = $state(0); let containerHeight = $state(0);
let totalItems = $derived(items.length);
const GAP = 6; const MIN_SIZE = 16; const MAX_SIZE = 120;
function cinemaCapacity(size: number, availW: number, availH: number): number { const colsWide = Math.floor((availW + GAP) / (size + GAP)); if (colsWide < 1) return 0; const colsNarrow = Math.max(1, colsWide - 1); const maxRows = Math.floor((availH + GAP) / (size + GAP)); let capacity = 0; for (let r = 0; r < maxRows; r++) { capacity += r % 2 === 0 ? colsNarrow : colsWide; } return capacity; }
function gridCapacity(size: number, availW: number, availH: number): number { const cols = Math.floor((availW + GAP) / (size + GAP)); const rows = Math.floor((availH + GAP) / (size + GAP)); return cols * rows; }
let computedSize = $derived.by(() => { if (!containerWidth || !containerHeight || totalItems === 0) return 40;
let lo = MIN_SIZE; let hi = MAX_SIZE; const capacityFn = layout === 'cinema' ? cinemaCapacity : gridCapacity;
while (lo <= hi) { const mid = Math.floor((lo + hi) / 2); const availW = containerWidth - (layout === 'cinema' ? mid / 2 : 0); const availH = containerHeight - (layout === 'cinema' ? mid / 2 : 0); if (availW <= 0 || availH <= 0) { hi = mid - 1; continue; } if (capacityFn(mid, availW, availH) >= totalItems) { lo = mid + 1; } else { hi = mid - 1; } }
return Math.max(MIN_SIZE, hi); });
let padding = $derived(layout === 'cinema' ? computedSize / 4 : 0);
let rows = $derived.by(() => { const availW = containerWidth - (layout === 'cinema' ? computedSize / 4 : 0); if (availW <= 0) return [] as ImageGridItem[][];
const colsWide = Math.floor((availW + GAP) / (computedSize + GAP)); const colsNarrow = layout === 'cinema' ? Math.max(1, colsWide - 1) : colsWide;
const rowSizes: number[] = []; let remaining = items.length; let rowNum = 0; while (remaining > 0) { const cols = layout === 'cinema' && rowNum % 2 === 0 ? colsNarrow : colsWide; rowSizes.push(Math.min(cols, remaining)); remaining -= cols; rowNum++; } rowSizes.reverse();
const result: ImageGridItem[][] = []; let idx = 0; for (const size of rowSizes) { result.push(items.slice(idx, idx + size)); idx += size; } return result; });
let textSize = $derived( computedSize < 24 ? 'text-[10px]' : computedSize < 40 ? 'text-xs' : 'text-sm' );
let shapeClass = $derived(shape === 'circle' ? 'rounded-full' : 'rounded-lg');</script>
{#snippet gridItem(item: ImageGridItem)} {#if item.imageUrl} <img src={item.imageUrl} alt={item.label} class="{shapeClass} object-cover" style="width: {computedSize}px; height: {computedSize}px;" /> {:else} <div class="bg-base-200 dark:bg-base-700 accent:bg-accent-400 flex items-center justify-center {shapeClass}" style="width: {computedSize}px; height: {computedSize}px;" > <span class="text-base-500 dark:text-base-400 accent:text-accent-100 {textSize} font-medium"> {item.label.charAt(0).toUpperCase()} </span> </div> {/if}{/snippet}
<div class="flex h-full w-full items-center justify-center overflow-hidden px-2" bind:clientWidth={containerWidth} bind:clientHeight={containerHeight}> {#if totalItems > 0} <div style="padding: {padding}px;"> <div class="flex flex-col items-center" style="gap: {GAP}px;"> {#each rows as row, rowIdx (rowIdx)} <div class="flex justify-center" style="gap: {GAP}px;"> {#each row as item (item.link)} {#if tooltip} <Tooltip.Root> <Tooltip.Trigger> <a href={item.link} target="_blank" rel="noopener noreferrer" class="accent:ring-accent-500 block {shapeClass} ring-2 ring-white transition-transform hover:scale-110 dark:ring-neutral-900" > {@render gridItem(item)} </a> </Tooltip.Trigger> <Tooltip.Portal> <Tooltip.Content side="top" sideOffset={4} class="bg-base-900 dark:bg-base-800 text-base-100 z-50 rounded-lg px-3 py-1.5 text-xs font-medium shadow-md" > {item.label} </Tooltip.Content> </Tooltip.Portal> </Tooltip.Root> {:else} <a href={item.link} target="_blank" rel="noopener noreferrer" class="accent:ring-accent-500 block {shapeClass} ring-2 ring-white transition-transform hover:scale-110 dark:ring-neutral-900" title={item.label} > {@render gridItem(item)} </a> {/if} {/each} </div> {/each} </div> </div> {/if}</div>