Andreas Reinhold / reiniandClaude Opus 5
44ae9ecea4
Plan step 22, actions.md § Missing (two-line snackbar height, snackbar keyboard shortcut): the container grew organically from `min-h-12` rather than sitting at SnackbarTokens.TwoLinesContainerHeight, and there was no way for a keyboard to reach an actioned snackbar at all. A `description` is M3's second line, so the snackbar is pinned to 68px whenever one is there, and below `medium` a two-line snackbar with an action wraps the action under the text — M3's "two lines with longer action" configuration. Alt+G, the shortcut M3 suggests for the web, moves the focus to a snackbar that carries an action from wherever the page had it; `event.code`, because Alt rewrites `event.key` on some layouts. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Qwx5USif3wFFmxtHg5U1g9
98 lines
6.2 KiB
PHP
98 lines
6.2 KiB
PHP
{{-- The snackbar host: shows every toast, one at a time. Put it once in each layout, near the end
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of <body>:
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<x-toast />
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It shows every `toast` browser event — what `NoNameWeb\LivewireMaterial\Concerns\Toasts`
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dispatches from a Livewire component — and for `window.materialToast(title, options)` from
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JavaScript (`{ type, description, timeout, sticky, action: { label, handler, event } }`).
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Toasts queue and show in turn, each for its `timeout` (4s by default; M3 asks for 4–10s),
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paused while the pointer or focus is on it. A toast with an `action` has no timeout at all,
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as M3 requires — it waits to be read and acted on — unless the caller writes a `timeout` out.
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A toast with an action or no timeout gets a close button. Pressing the action closes the
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snackbar, calls `handler` and dispatches `event` (a name) on `window`; both may be given.
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`sticky: true` keeps a toast until it is dismissed or its action pressed, without holding up
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the queue: a toast that arrives meanwhile shows in its place, and the sticky one comes back
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once the queue is empty. One is kept at a time; a newer sticky toast replaces it.
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The live region is the host itself, not the snackbar: a region must be in the page before its
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contents change for a screen reader to announce them reliably, and the snackbar comes and
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goes. It is `aria-live="polite" aria-atomic="true"`, as M3 asks for a snackbar (never
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assertive); a `type` picks the region's role — `alert` for an error or a warning, `status`
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otherwise — and the explicit `aria-live` keeps even those polite.
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Hooks for tests and styling: `data-toast` on the snackbar on screen, `data-toast-action` on its
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action button.
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`@persist` keeps the host across wire:navigate, so a toast dispatched with `redirectTo` is
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still on screen when the next page arrives.
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There is no state icon: M3 says to avoid one in a snackbar ("use a dialog instead if an icon
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feels necessary"), and both lines of the message are plain inverse-on-surface — M3 gives the
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supporting text no fourth colour and tells the two lines apart by position. The 40px action
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and close buttons carry `touch-target`, which reaches M3's 48px without growing the container.
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Escape dismisses a snackbar that holds the focus.
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Alt+G moves the focus to a snackbar that carries an action, from wherever the page had it —
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M3 asks for a documented shortcut on the web, since a snackbar never takes the focus itself
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and a keyboard has no other way to reach one. It does nothing when the snackbar on screen has
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no action.
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M3's snackbar (SnackbarTokens, androidx Compose Material 3, Apache-2.0): inverse surface,
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body-medium text, a label-large action in inverse-primary, extra-small corners, elevation 3,
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48px for one line and 68px for two (SnackbarTokens.TwoLinesContainerHeight; the site's prose
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says 64dp, and the token is the more precise of the two). A description is that second line,
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so the container is pinned to 68px whenever one is there rather than left to grow into it. On
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a compact window a two-line snackbar with an action wraps the action below the text, which is
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the third of M3's five snackbar configurations ("two lines with longer action"). `position`: `bottom` (centred, the default) or `bottom-start`. It lifts
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above a bottom bar through `--material-bottom-bar`, and publishes its own height as
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`--material-snackbar-height` so a FAB can lift clear of it — M3: a snackbar appears above a
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FAB, never in front of or behind one. A compact window (below `medium`, 600px) gets the
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full-width snackbar; from `medium` it hugs its line length instead, as M3 asks. --}}
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@props(['position' => 'bottom'])
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@persist('material-toast')
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<div
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x-data="materialSnackbar"
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x-bind:role="current && (current.type === 'error' || current.type === 'warning') ? 'alert' : 'status'"
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role="status"
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aria-live="polite"
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aria-atomic="true"
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{{ $attributes->class([
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'pointer-events-none fixed inset-x-4 z-50 flex bottom-[calc(var(--material-bottom-bar,0px)+1rem)]',
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'justify-center' => $position !== 'bottom-start',
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'justify-start medium:start-6' => $position === 'bottom-start',
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]) }}
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>
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<template x-if="current">
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<div
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x-bind:key="current.id"
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data-toast
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x-on:mouseenter="pause()"
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x-on:mouseleave="resume()"
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x-on:focusin="pause()"
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x-on:focusout="resume()"
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x-bind:class="current.description ? 'min-h-17' : 'min-h-12'"
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class="pointer-events-auto flex w-full max-w-[min(100%,36rem)] flex-wrap items-center gap-3 rounded-corner-xs bg-inverse-surface py-1.5 ps-4 pe-2 text-inverse-on-surface shadow-elevation-3 transition-[translate,opacity] duration-(--md-sys-motion-spatial-fast-duration) ease-spatial-fast starting:translate-y-4 starting:opacity-0 medium:w-auto medium:min-w-86"
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>
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<div x-bind:class="current.description && current.action ? 'max-medium:basis-full' : ''" class="min-w-0 flex-1 py-1.5">
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<p class="type-body-md" x-text="current.title"></p>
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<p class="type-body-md" x-show="current.description" x-text="current.description"></p>
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</div>
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<template x-if="current.action">
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<button type="button" data-toast-action class="state-layer focus-ring touch-target ms-auto h-10 shrink-0 rounded-corner-full px-3 type-label-lg text-inverse-primary" x-text="current.action.label" x-on:click="act()"></button>
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</template>
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<template x-if="current.action || ! current.timeout">
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<button type="button" class="state-layer focus-ring touch-target inline-flex size-10 shrink-0 items-center justify-center rounded-corner-full" aria-label="{{ __('Dismiss') }}" x-on:click="dismiss()">
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<x-livewire-material::icon name="close" optical="20" class="size-5" />
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</button>
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</template>
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</div>
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</template>
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</div>
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@endpersist
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