page.vue
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<script setup lang="ts">
import type { StyleValue } from 'vue';
import type { PageProps } from './types';
import { computed, nextTick, onMounted, ref, useTemplateRef } from 'vue';
import { CSS_VARIABLE_LAYOUT_CONTENT_HEIGHT } from '@vben-core/shared/constants';
import { cn } from '@vben-core/shared/utils';
defineOptions({
name: 'Page',
});
const { autoContentHeight = false, heightOffset = 0 } =
defineProps<PageProps>();
const headerHeight = ref(0);
const footerHeight = ref(0);
const shouldAutoHeight = ref(false);
const headerRef = useTemplateRef<HTMLDivElement>('headerRef');
const footerRef = useTemplateRef<HTMLDivElement>('footerRef');
const contentStyle = computed<StyleValue>(() => {
if (autoContentHeight) {
return {
height: `calc(var(${CSS_VARIABLE_LAYOUT_CONTENT_HEIGHT}) - ${headerHeight.value}px - ${footerHeight.value}px - ${typeof heightOffset === 'number' ? `${heightOffset}px` : heightOffset})`,
overflowY: shouldAutoHeight.value ? 'auto' : 'unset',
};
}
return {};
});
async function calcContentHeight() {
if (!autoContentHeight) {
return;
}
await nextTick();
headerHeight.value = headerRef.value?.offsetHeight || 0;
footerHeight.value = footerRef.value?.offsetHeight || 0;
setTimeout(() => {
shouldAutoHeight.value = true;
}, 30);
}
onMounted(() => {
calcContentHeight();
});
</script>
<template>
<div class="relative flex min-h-full flex-col">
<div
v-if="
description ||
$slots.description ||
title ||
$slots.title ||
$slots.extra
"
ref="headerRef"
:class="
cn(
'bg-card border-border relative flex items-end border-b px-6 py-4',
headerClass,
)
"
>
<div class="flex-auto">
<slot name="title">
<div v-if="title" class="mb-2 flex text-lg font-semibold">
{{ title }}
</div>
</slot>
<slot name="description">
<p v-if="description" class="text-muted-foreground">
{{ description }}
</p>
</slot>
</div>
<div v-if="$slots.extra">
<slot name="extra"></slot>
</div>
</div>
<div :class="cn('h-full p-4', contentClass)" :style="contentStyle">
<slot></slot>
</div>
<div
v-if="$slots.footer"
ref="footerRef"
:class="cn('bg-card align-center flex px-6 py-4', footerClass)"
>
<slot name="footer"></slot>
</div>
</div>
</template>