JVxeSubPopover.vue
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<template>
<a-popover :visible="visible" placement="bottom" overlayClassName="j-vxe-popover-overlay" :overlayStyle="overlayStyle">
<div class="j-vxe-popover-title" slot="title">
<div>子表</div>
<div class="j-vxe-popover-title-close" @click="close">
<a-icon type="close"/>
</div>
</div>
<template slot="content">
<transition name="fade">
<slot v-if="visible" name="subForm" :row="row" :column="column"/>
</transition>
</template>
<div ref="div" class="j-vxe-popover-div"></div>
</a-popover>
</template>
<script>
import domAlign from 'dom-align'
import { getParentNodeByTagName } from '../utils/vxeUtils'
import { cloneObject, triggerWindowResizeEvent } from '@/utils/util'
export default {
name: 'JVxeSubPopover',
data() {
return {
visible: false,
// 当前行
row: null,
column: null,
overlayStyle: {
width: null,
zIndex: 100
},
}
},
created() {
},
methods: {
toggle(event) {
if (this.row == null) {
this.open(event)
} else {
this.row.id === event.row.id ? this.close() : this.reopen(event)
}
},
open(event, level = 0) {
if (level > 3) {
this.$message.error('打开子表失败')
console.warn('【JVxeSubPopover】打开子表失败')
return
}
let {row, column, $table, $event: {target}} = event
this.row = cloneObject(row)
this.column = column
let className = target.className || ''
className = typeof className === 'string' ? className : className.toString()
// 点击的是expand，不做处理
if (className.includes('vxe-table--expand-btn')) {
return
}
// 点击的是checkbox，不做处理
if (className.includes('vxe-checkbox--icon') || className.includes('vxe-cell--checkbox')) {
return
}
// 点击的是radio，不做处理
if (className.includes('vxe-radio--icon') || className.includes('vxe-cell--radio')) {
return
}
let table = $table.$el
let tr = getParentNodeByTagName(target, 'tr')
if (table && tr) {
let clientWidth = table.clientWidth
let clientHeight = tr.clientHeight
this.$refs.div.style.width = clientWidth + 'px'
this.$refs.div.style.height = clientHeight + 'px'
this.overlayStyle.width = Number.parseInt((clientWidth - clientWidth * 0.04)) + 'px'
this.overlayStyle.maxWidth = this.overlayStyle.width
domAlign(this.$refs.div, tr, {
points: ['tl', 'tl'],
offset: [0, 0],
overflow: {
alwaysByViewport: true
},
})
this.$nextTick(() => {
this.visible = true
this.$nextTick(() => {
triggerWindowResizeEvent()
})
})
} else {
let num = ++level
console.warn('【JVxeSubPopover】table or tr 获取失败，正在进行第 ' + num + '次重试', {event, table, tr})
window.setTimeout(() => this.open(event, num), 100)
}
},
close() {
if (this.visible) {
this.row = null
this.visible = false
}
},
reopen(event) {
this.close()
this.open(event)
},
},
}
</script>
<style scoped lang="less">
.j-vxe-popover-title {
.j-vxe-popover-title-close {
position: absolute;
right: 0;
top: 0;
width: 31px;
height: 31px;
text-align: center;
line-height: 31px;
color: rgba(0, 0, 0, 0.45);
cursor: pointer;
transition: color 300ms;
&:hover {
color: rgba(0, 0, 0, 0.8);
}
}
}
.j-vxe-popover-div {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 31px;
z-index: -1;
}
</style>
<style lang="less">
.j-vxe-popover-overlay.ant-popover {
.ant-popover-title {
position: relative;
}
}
.fade-enter-active,
.fade-leave-active {
opacity: 1;
transition: opacity 0.5s;
}
.fade-enter,
.fade-leave-to {
opacity: 0;
}
</style>