Files
fete/frontend/src/components/BottomSheet.vue
2026-03-12 23:15:30 +01:00

151 lines
3.1 KiB
Vue

<template>
<Teleport to="body">
<Transition name="sheet">
<div v-if="open" class="sheet-backdrop" @click.self="$emit('close')" @keydown.escape="$emit('close')">
<div
class="sheet"
role="dialog"
aria-modal="true"
:aria-label="label"
ref="sheetEl"
tabindex="-1"
:style="dragStyle"
@touchstart="onTouchStart"
@touchmove="onTouchMove"
@touchend="onTouchEnd"
>
<div class="sheet__handle" aria-hidden="true" />
<slot />
</div>
</div>
</Transition>
</Teleport>
</template>
<script setup lang="ts">
import { ref, computed, watch, nextTick } from 'vue'
defineProps<{
open: boolean
label: string
}>()
const emit = defineEmits<{
close: []
}>()
const sheetEl = ref<HTMLElement | null>(null)
watch(
() => sheetEl.value,
async (el) => {
if (el) {
await nextTick()
const firstInput = el.querySelector<HTMLElement>('input, textarea, button[type="submit"]')
if (firstInput) {
firstInput.focus()
} else {
el.focus()
}
}
},
)
/* ── Drag-to-dismiss ── */
const DISMISS_THRESHOLD = 100
const dragY = ref(0)
const dragging = ref(false)
let startY = 0
const dragStyle = computed(() => {
if (!dragging.value || dragY.value <= 0) return undefined
return {
transform: `translateY(${dragY.value}px)`,
transition: 'none',
}
})
function onTouchStart(e: TouchEvent) {
const touch = e.touches[0]
if (!touch) return
startY = touch.clientY
dragging.value = true
dragY.value = 0
}
function onTouchMove(e: TouchEvent) {
if (!dragging.value) return
const touch = e.touches[0]
if (!touch) return
const delta = touch.clientY - startY
if (delta > 0) e.preventDefault()
dragY.value = Math.max(0, delta)
}
function onTouchEnd() {
if (dragY.value >= DISMISS_THRESHOLD) {
emit('close')
}
dragging.value = false
dragY.value = 0
}
</script>
<style scoped>
.sheet-backdrop {
position: fixed;
inset: 0;
background: var(--color-glass-overlay);
display: flex;
align-items: flex-end;
justify-content: center;
z-index: 100;
}
.sheet {
background: linear-gradient(135deg, var(--color-glass-strong) 0%, var(--color-glass-subtle) 100%);
border: 1px solid var(--color-glass-border);
border-bottom: none;
backdrop-filter: blur(24px);
-webkit-backdrop-filter: blur(24px);
border-radius: 20px 20px 0 0;
padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-2xl);
width: 100%;
max-width: var(--content-max-width);
display: flex;
flex-direction: column;
gap: var(--spacing-lg);
outline: none;
}
.sheet__handle {
width: 36px;
height: 4px;
background: var(--color-glass-border-hover);
border-radius: 2px;
align-self: center;
flex-shrink: 0;
}
/* Transition */
.sheet-enter-active,
.sheet-leave-active {
transition: opacity 0.25s ease;
}
.sheet-enter-active .sheet,
.sheet-leave-active .sheet {
transition: transform 0.25s ease;
}
.sheet-enter-from,
.sheet-leave-to {
opacity: 0;
}
.sheet-enter-from .sheet,
.sheet-leave-to .sheet {
transform: translateY(100%);
}
</style>