Andreas Reinhold / reiniandClaude Fable 5.1
ce1cd6eec0
Plan step 25 (navigation Missing): M3's "hides on scroll-down, reappears on scroll-up" had no implementation. `<x-navigation-bar hide-on-scroll>` slides the bar out on the default spatial spring — an instant swap under reduced motion, which zeroes the duration token — and never while a snackbar, a bottom sheet or a drawer is anchored to its edge; focus reaching the bar brings it back. `<x-app-shell hide-bar-on-scroll>` picks it, and --material-bottom-bar follows the bar down and up so a `fab` button and the snackbar keep their offsets. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Qwx5USif3wFFmxtHg5U1g9
67 lines
3.3 KiB
PHP
67 lines
3.3 KiB
PHP
{{-- M3 Expressive's flexible navigation bar: three to five destinations at the bottom of a
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compact window.
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<div class="fixed inset-x-0 bottom-0 z-30 medium:hidden">
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<x-navigation-bar>
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<x-navigation-bar-item label="Inbox" icon="inbox" link="/inbox" active badge="12" />
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<x-navigation-bar-item label="Starred" icon="star" link="/starred" />
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<x-navigation-bar-item label="Sent" icon="send" link="/sent" />
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</x-navigation-bar>
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</div>
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The short bar, 64px tall in surface-container, with the bottom safe area added under it. On a
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bar narrower than 600px (M3's compact window) each item is the icon in a 56×32 indicator over a
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label-medium label, and the items share the width equally. From 600px (medium) icon and label
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sit side by side in a 40px pill and the items gather in the middle, with the padding Compose's
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Centered arrangement gives three to six items. Both follow the bar's own width (a container
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query), so a bar in a narrow column keeps the compact items.
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`tall` is M3's other container: 80px (NavigationBarTokens.TallContainerHeight) with the
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vertical item layout at every width — icon over label, never side by side — for a bar whose
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labels need the room. The short bar stays the default.
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`hide-on-scroll` is M3's scrolling behaviour: the bar slides out of the window on a scroll
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down and springs back on a scroll up, never before the first screenful has gone by, and never
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while a snackbar, a bottom sheet or a drawer is on screen — those are anchored to the bar's
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edge and would slide with it. Focus reaching the bar brings it back, which is as close as the
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web gets to M3's "never hide it while a screen reader is active". Inside `<x-app-shell>`
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`--material-bottom-bar` follows the bar down and up, so a `fab` button, the snackbar and the
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page's bottom padding keep their distance from it rather than from where it was.
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It does not position itself: wrap it in the element that pins it (`fixed inset-x-0 bottom-0`)
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and hides it where a rail takes over. `<x-app-shell>` does both, and lifts the snackbar and a
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`fab` button above it through `--material-bottom-bar`.
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`label` names the landmark ("Main" by default); `tall` picks the 80px container;
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`hide-on-scroll` lets it leave the window while the page scrolls down.
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Values from androidx Compose Material 3 (Apache-2.0), androidx-main
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27cf9a7d5788aa0f5f2d8b6699ce279560daf326: NavigationBarTokens.kt,
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NavigationBarVerticalItemTokens.kt, NavigationBarHorizontalItemTokens.kt and
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ShortNavigationBar.kt, all under
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https://github.com/androidx/androidx/tree/androidx-main/compose/material3/material3/src/commonMain/kotlin/androidx/compose/material3
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— the styles are resources/css/components/navigation.css. --}}
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@props([
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'label' => null,
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'tall' => false,
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'hideOnScroll' => false,
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])
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<nav
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aria-label="{{ $label ?? __('Main') }}"
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data-navigation-bar
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@if ($tall) data-tall @endif
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@if ($hideOnScroll)
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data-hide-on-scroll
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x-data="materialNavigationBar"
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x-bind:data-hidden="away ? '' : null"
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x-on:focusin="show()"
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@endif
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{{ $attributes }}
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>
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<div data-navigation-bar-items>
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{{ $slot }}
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</div>
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</nav>
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