PageWrapper.vue
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<template>
<div :class="getClass">
<PageHeader :ghost="ghost" v-bind="$attrs" ref="headerRef">
<template #default>
<template v-if="content">
{{ content }}
</template>
<slot name="headerContent" v-else></slot>
</template>
<template #[item]="data" v-for="item in getHeaderSlots">
<slot :name="item" v-bind="data"></slot>
</template>
</PageHeader>
<div :class="[`${prefixCls}-content`, $attrs.contentClass]" :style="getContentStyle">
<slot></slot>
</div>
<PageFooter v-if="getShowFooter" ref="footerRef">
<template #left>
<slot name="leftFooter"></slot>
</template>
<template #right>
<slot name="rightFooter"></slot>
</template>
</PageFooter>
</div>
</template>
<script lang="ts">
import type { CSSProperties, PropType } from 'vue';
import { defineComponent, computed, watch, nextTick, ref, unref } from 'vue';
import PageFooter from './PageFooter.vue';
import { usePageContext } from '/@/hooks/component/usePageContext';
import { useDesign } from '/@/hooks/web/useDesign';
import { propTypes } from '/@/utils/propTypes';
import { omit } from 'lodash-es';
import { PageHeader } from 'ant-design-vue';
export default defineComponent({
name: 'PageWrapper',
components: { PageFooter, PageHeader },
props: {
dense: propTypes.bool,
ghost: propTypes.bool,
content: propTypes.string,
contentStyle: {
type: Object as PropType<CSSProperties>,
},
contentBackground: propTypes.bool,
contentFullHeight: propTypes.bool,
},
setup(props, { slots }) {
const headerRef = ref<ComponentRef>(null);
const footerRef = ref<ComponentRef>(null);
const footerHeight = ref(0);
const { prefixCls } = useDesign('page-wrapper');
const { contentHeight, setPageHeight, pageHeight } = usePageContext();
const getClass = computed(() => {
return [
prefixCls,
{
[`${prefixCls}--dense`]: props.dense,
},
];
});
const getShowFooter = computed(() => slots?.leftFooter || slots?.rightFooter);
const getHeaderSlots = computed(() => {
return Object.keys(omit(slots, 'default', 'leftFooter', 'rightFooter', 'headerContent'));
});
const getContentStyle = computed(
(): CSSProperties => {
const { contentBackground, contentFullHeight, contentStyle } = props;
const bg = contentBackground ? { backgroundColor: '#fff' } : {};
if (!contentFullHeight) {
return { ...bg, ...contentStyle };
}
return {
...bg,
...contentStyle,
minHeight: `${unref(pageHeight)}px`,
paddingBottom: `${unref(footerHeight)}px`,
};
}
);
watch(
() => [contentHeight?.value, getShowFooter.value],
() => {
if (!props.contentFullHeight) {
return;
}
nextTick(() => {
const footer = unref(footerRef);
const header = unref(headerRef);
footerHeight.value = 0;
const footerEl = footer?.$el;
if (footerEl) {
footerHeight.value += footerEl?.offsetHeight ?? 0;
}
let headerHeight = 0;
const headerEl = header?.$el;
if (headerEl) {
headerHeight += headerEl?.offsetHeight ?? 0;
}
setPageHeight?.(unref(contentHeight) - unref(footerHeight) - headerHeight);
});
},
{
immediate: true,
}
);
return {
getContentStyle,
footerRef,
headerRef,
getClass,
getHeaderSlots,
prefixCls,
getShowFooter,
pageHeight,
omit,
};
},
});
</script>
<style lang="less">
@prefix-cls: ~'@{namespace}-page-wrapper';
.@{prefix-cls} {
position: relative;
.ant-page-header {
// padding: 12px 16px;
&:empty {
padding: 0;
}
}
&-content {
// padding: 12px;
margin: 16px;
}
&--dense {
.@{prefix-cls}-content {
margin: 0;
}
}
}
</style>