Andreas Reinhold / reiniandClaude Opus 5
94e2a900d2
Every panel was visible until Alpine booted — four role="tabpanel" regions at once for a screen reader, and aria-controls pointing at ids that did not exist yet. The panel now carries its id, its aria-labelledby and, unless it is the chosen one, display:none from the server. A slot renders before the component around it, so the panel reads <x-tabs>'s attributes off the component stack and repeats its id and initial-tab lines; both files say so. Plan: docs/plans/material-3-alignment.md, step 14 (navigation N-05). Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Qwx5USif3wFFmxtHg5U1g9
45 lines
2.2 KiB
PHP
45 lines
2.2 KiB
PHP
{{-- One tab's panel, inside `<x-tabs>`, which draws the bar from its own `tabs` list. Shown while
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its `name` is the chosen one; every panel is rendered, so switching never waits on the server.
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`class` lands on the panel (it has `pt-6` above its content by default).
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The id and the `hidden` panels come from the server, not from Alpine: until Alpine boots, every
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panel would otherwise be on screen at once — four `role="tabpanel"` regions for a screen reader
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to walk — and the tab buttons' `aria-controls` would point at nothing. `<x-tabs>` renders this
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slot before its own view, so it cannot hand the panel anything; the panel reads the attributes
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written on `<x-tabs>` off the component stack (Blade's `@aware` mechanism) and repeats the two
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lines tabs.blade.php runs on them. The two must agree, so change them together. --}}
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@props([
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'name',
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])
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@php
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$aware = fn (string $key, $default = null) => $__env->getConsumableComponentData($key, $default);
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$tabs = $aware('tabs', []);
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// `wire:model` is a key, not a prop, and its modifiers are part of the key: the spellings that
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// make sense on a tab set. An exotic one only means the panel falls back to the first tab.
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$model = collect(['wire:model', 'wire:model.live', 'wire:model.blur', 'wire:model.change', 'wire:model.lazy'])
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->map(fn (string $key) => $aware($key))
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->first(fn ($value): bool => filled($value));
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$tabsId = $aware('id') ?? 'tabs-'.substr(md5($model.'|'.implode('|', array_column($tabs, 'name'))), 0, 8);
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$initial = $aware('selected') ?? (collect($tabs)->first(fn (array $tab): bool => ! ($tab['disabled'] ?? false))['name'] ?? null);
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if ($model !== null && ($component = \Livewire\Livewire::current()) !== null && filled(data_get($component, $model))) {
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$initial = data_get($component, $model);
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}
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@endphp
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<div
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x-show="selected === @js($name)"
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role="tabpanel"
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id="{{ $tabsId }}-{{ $name }}-panel"
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aria-labelledby="{{ $tabsId }}-{{ $name }}"
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tabindex="0"
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@if ((string) $name !== (string) $initial) style="display: none" @endif
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{{ $attributes->class(['pt-6 outline-none']) }}
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>
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{{ $slot }}
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</div>
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