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