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perf[Tree-Table]: refactor tree-table
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liugq
@@ -1,127 +1,183 @@
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<template>
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<el-table :data="formatData" :row-style="showRow" v-bind="$attrs">
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<el-table-column v-if="columns.length===0" width="150">
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<el-table :data="tableData" :row-style="showRow" v-bind="$attrs" v-on="$listeners" >
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<slot name="selection" />
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<slot name="pre-column" />
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<el-table-column
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v-for="item in columns"
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:label="item.label"
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:key="item.key"
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:width="item.width"
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:align="item.align||'center'"
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:header-align="item.headerAlign">
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<template slot-scope="scope">
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<span v-for="space in scope.row._level" :key="space" class="ms-tree-space"/>
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<span v-if="iconShow(0,scope.row)" class="tree-ctrl" @click="toggleExpanded(scope.$index)">
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<i v-if="!scope.row._expanded" class="el-icon-plus"/>
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<i v-else class="el-icon-minus"/>
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</span>
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{{ scope.$index }}
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<slot :scope="scope" :name="item.key">
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<template v-if="item.expand">
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<span :style="{'padding-left':+scope.row._level*indent + 'px'} "/>
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<span v-show="showSperadIcon(scope.row)" class="tree-ctrl" @click="toggleExpanded(scope.$index)">
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<i v-if="!scope.row._expand" class="el-icon-plus" />
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<i v-else class="el-icon-minus" />
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</span>
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</template>
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<template v-if="item.checkbox">
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<el-checkbox
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v-if="scope.row[defaultChildren]&&scope.row[defaultChildren].length>0"
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:style="{'padding-left':+scope.row._level*indent + 'px'} "
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:indeterminate="scope.row._select"
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v-model="scope.row._select"
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@change="handleCheckAllChange(scope.row)" />
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<el-checkbox
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v-else
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:style="{'padding-left':+scope.row._level*indent + 'px'} "
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v-model="scope.row._select"
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@change="handleCheckAllChange(scope.row)" />
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</template>
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{{ scope.row[item.key] }}
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</slot>
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</template>
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</el-table-column>
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<el-table-column v-for="(column, index) in columns" v-else :key="column.value" :label="column.text" :width="column.width">
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<template slot-scope="scope">
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<!-- Todo -->
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<!-- eslint-disable-next-line vue/no-confusing-v-for-v-if -->
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<span v-for="space in scope.row._level" v-if="index === 0" :key="space" class="ms-tree-space"/>
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<span v-if="iconShow(index,scope.row)" class="tree-ctrl" @click="toggleExpanded(scope.$index)">
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<i v-if="!scope.row._expanded" class="el-icon-plus"/>
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<i v-else class="el-icon-minus"/>
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</span>
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{{ scope.row[column.value] }}
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</template>
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</el-table-column>
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<slot/>
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</el-table>
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</template>
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<script>
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/**
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Auth: Lei.j1ang
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Created: 2018/1/19-13:59
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*/
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import treeToArray from './eval'
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import treeToArray, { addAttrs } from './eval.js'
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export default {
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name: 'TreeTable',
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props: {
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/* eslint-disable */
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data: {
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type: [Array, Object],
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required: true
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type: Array,
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required: true,
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default: () => []
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},
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columns: {
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type: Array,
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default: () => []
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},
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evalFunc: Function,
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evalArgs: Array,
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expandAll: {
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defaultExpandAll: {
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type: Boolean,
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default: false
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},
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defaultChildren: {
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type: String,
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default: 'children'
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},
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indent: {
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type: Number,
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default: 50
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}
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},
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data() {
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return {
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guard: 1
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}
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},
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computed: {
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// 格式化数据源
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formatData: function() {
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let tmp
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if (!Array.isArray(this.data)) {
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tmp = [this.data]
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} else {
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tmp = this.data
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children() {
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return this.defaultChildren
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},
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tableData() {
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const data = this.data
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if (this.data.length === 0) {
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return []
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}
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<<<<<<< HEAD
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const func = this.evalFunc || treeToArray
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const args = this.evalArgs ? [].concat([tmp, this.expandAll], this.evalArgs) : [tmp, this.expandAll]
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return func.apply(null, args)
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=======
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addAttrs(data, {
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expand: this.defaultExpandAll,
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children: this.defaultChildren
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})
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const retval = treeToArray(data, this.defaultChildren)
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return retval
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>>>>>>> dc6030b... perf[Tree-Table]: refactor tree-table (#1587)
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}
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},
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methods: {
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showRow: function(row) {
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const show = (row.row.parent ? (row.row.parent._expanded && row.row.parent._show) : true)
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row.row._show = show
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return show ? 'animation:treeTableShow 1s;-webkit-animation:treeTableShow 1s;' : 'display:none;'
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addBrother(row, data) {
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if (row._parent) {
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row._parent.children.push(data)
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} else {
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this.data.push(data)
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}
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},
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// 切换下级是否展开
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toggleExpanded: function(trIndex) {
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const record = this.formatData[trIndex]
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record._expanded = !record._expanded
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addChild(row, data) {
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if (!row.children) {
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this.$set(row, 'children', [])
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}
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row.children.push(data)
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},
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// 图标显示
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iconShow(index, record) {
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return (index === 0 && record.children && record.children.length > 0)
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delete(row) {
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const { _index, _parent } = row
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if (_parent) {
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_parent.children.splice(_index, 1)
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} else {
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this.data.splice(_index, 1)
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}
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},
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getData() {
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return this.tableData
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},
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showRow: function({ row }) {
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const parent = row._parent
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const show = parent ? parent._expand && parent._show : true
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row._show = show
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return show
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? 'animation:treeTableShow 1s;-webkit-animation:treeTableShow 1s;'
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: 'display:none;'
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},
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showSperadIcon(record) {
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return record[this.children] && record[this.children].length > 0
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},
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toggleExpanded(trIndex) {
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const record = this.tableData[trIndex]
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const expand = !record._expand
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record._expand = expand
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},
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handleCheckAllChange(row) {
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this.selcetRecursion(row, row._select, this.defaultChildren)
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this.isIndeterminate = row._select
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},
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selcetRecursion(row, select, children = 'children') {
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if (select) {
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this.$set(row, '_expand', true)
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this.$set(row, '_show', true)
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}
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const sub_item = row[children]
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if (sub_item && sub_item.length > 0) {
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sub_item.map(child => {
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child._select = select
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this.selcetRecursion(child, select, children)
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})
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}
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}
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}
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}
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</script>
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<style rel="stylesheet/css">
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@keyframes treeTableShow {
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from {opacity: 0;}
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to {opacity: 1;}
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}
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@-webkit-keyframes treeTableShow {
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from {opacity: 0;}
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to {opacity: 1;}
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}
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</style>
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<style lang="scss" rel="stylesheet/scss" scoped>
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$color-blue: #2196F3;
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$space-width: 18px;
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.ms-tree-space {
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position: relative;
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top: 1px;
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display: inline-block;
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font-style: normal;
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font-weight: 400;
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line-height: 1;
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width: $space-width;
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height: 14px;
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&::before {
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content: ""
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}
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<style>
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@keyframes treeTableShow {
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from {
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opacity: 0;
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}
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.processContainer{
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width: 100%;
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height: 100%;
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to {
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opacity: 1;
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}
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table td {
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line-height: 26px;
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}
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@-webkit-keyframes treeTableShow {
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from {
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opacity: 0;
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}
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to {
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opacity: 1;
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}
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}
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.tree-ctrl{
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position: relative;
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cursor: pointer;
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color: $color-blue;
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margin-left: -$space-width;
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}
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.tree-ctrl {
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position: relative;
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cursor: pointer;
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color: #2196f3;
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}
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</style>
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