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fix: move lightbox to baseof as persistent component, fix HTMX history conflicts

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- Lightbox lives outside #main-content so HTMX never destroys it
- Gallery dispatches window events to open/close lightbox
- Add hx-history-elt to #main-content so only that element is snapshotted
- Remove view-transition-name to avoid duplicate conflict on history restore
- Close lightbox on navigation via lightbox:close event

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Sebastian Krüger
2026-04-19 20:43:38 +02:00
parent a7f334dc14
commit 714779ce27
3 changed files with 101 additions and 122 deletions
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layouts/_default/baseof.html
+90 -1
View File
@@ -19,12 +19,101 @@
{{- block "page-background" . -}}{{- end -}}
<main id="main-content" class="flex-1" style="view-transition-name: main-content">
<main id="main-content" class="flex-1" hx-history-elt>
{{- block "main" . }}{{- end }}
</main>
{{- partial "footer.html" . -}}
<!-- ── Global lightbox — lives outside #main-content so HTMX never touches it -->
<div
x-data="{
open: false,
idx: 0,
fill: false,
items: [],
close() { this.open = false; this.fill = false },
prev() { this.idx = (this.idx - 1 + this.items.length) % this.items.length },
next() { this.idx = (this.idx + 1) % this.items.length }
}"
@lightbox:open.window="items = $event.detail.items; idx = $event.detail.idx; open = true"
@lightbox:close.window="close()"
@keydown.escape.window="open && close()"
@keydown.arrow-left.window="open && prev()"
@keydown.arrow-right.window="open && next()"
@keydown.f.window="open && (fill = !fill)"
x-show="open"
x-cloak
x-transition:enter="transition duration-200 ease-out"
x-transition:enter-start="opacity-0"
x-transition:enter-end="opacity-100"
x-transition:leave="transition duration-150 ease-in"
x-transition:leave-start="opacity-100"
x-transition:leave-end="opacity-0"
class="fixed inset-0 z-[200] flex items-center justify-center bg-void/95 backdrop-blur-sm"
@click.self="close()"
role="dialog"
aria-modal="true"
aria-label="Media lightbox"
>
<!-- Top chrome bar -->
<div class="absolute top-0 inset-x-0 z-10 flex items-center justify-between px-2 h-14"
style="background: linear-gradient(to bottom, rgba(5,5,16,0.85), transparent)">
<div class="absolute top-0 inset-x-0 h-px gradient-line"></div>
<div class="w-24"></div>
<div class="label text-fog tabular-nums"
x-text="items.length ? `${String(idx + 1).padStart(2,'0')} / ${String(items.length).padStart(2,'0')}` : ''"></div>
<div class="flex items-center w-24 justify-end gap-1">
<button @click="fill = !fill"
class="w-10 h-10 flex items-center justify-center label transition-colors"
:class="fill ? 'text-heat hover:text-chalk' : 'text-fog hover:text-heat'"
:aria-label="fill ? 'Switch to fit mode' : 'Switch to fill mode'"
x-text="fill ? 'FIT' : 'FILL'"></button>
<button @click="close()"
class="w-10 h-10 flex items-center justify-center label text-fog hover:text-chalk transition-colors"
aria-label="Close">✕</button>
</div>
</div>
<!-- Prev -->
<button @click="prev()" x-show="items.length > 1"
class="absolute left-2 top-1/2 -translate-y-1/2 z-10 w-10 h-10 md:w-12 md:h-12 flex items-center justify-center text-fog hover:text-heat transition-colors text-xl"
aria-label="Previous">{{- partial "icon.html" "arrow-left" -}}</button>
<!-- Media -->
<div class="absolute inset-0 flex items-center justify-center transition-[padding] duration-300"
:class="fill ? 'p-0' : 'pt-14 pb-14 px-14 md:px-20'">
<video
x-show="items[idx] && items[idx].video"
:src="items[idx] && items[idx].video ? items[idx].video : ''"
:poster="items[idx] ? items[idx].img : ''"
x-effect="if (open && items[idx] && items[idx].video) { $el.load(); $el.play() }"
:class="fill ? 'w-full h-full object-cover' : 'max-w-full max-h-full object-contain'"
class="transition-all duration-300"
controls loop muted playsinline></video>
<img
x-show="items[idx] && !items[idx].video"
:src="items[idx] && !items[idx].video ? items[idx].img : ''"
alt=""
:class="fill ? 'w-full h-full object-cover' : 'max-w-full max-h-full object-contain'"
class="transition-all duration-300">
</div>
<!-- Next -->
<button @click="next()" x-show="items.length > 1"
class="absolute right-2 top-1/2 -translate-y-1/2 z-10 w-10 h-10 md:w-12 md:h-12 flex items-center justify-center text-fog hover:text-heat transition-colors text-xl"
aria-label="Next">{{- partial "icon.html" "arrow-right" -}}</button>
<!-- Dots -->
<div x-show="items.length > 1"
class="absolute bottom-0 inset-x-0 z-10 flex items-center justify-center h-14 gap-2"
style="background: linear-gradient(to top, rgba(5,5,16,0.85), transparent)">
<div class="absolute bottom-0 inset-x-0 h-px gradient-line"></div>
<template x-for="(item, i) in items" :key="i">
<button @click="idx = i"
class="h-1.5 rounded-full transition-all duration-300"
:class="i === idx ? 'w-5 bg-heat' : 'w-1.5 bg-fog hover:bg-chalk'"
:aria-label="`Go to item ${i + 1}`"></button>
</template>
</div>
</div>
<!-- HTMX (page transitions & progressive enhancement) -->
<script src="https://unpkg.com/htmx.org@2.0.4/dist/htmx.min.js"></script>
<!-- Alpine.js store initialisation (must run before alpine:init) -->