<template>
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<el-table
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:data="formatData"
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:row-style="showRow"
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v-bind="$attrs"
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:class="'abc-' + columns.length"
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highlight-current-row
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size="mini"
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>
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<el-table-column v-if="columns.length === 0" :label="treeColumnLabel" width="280">
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<template slot-scope="scope">
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<el-checkbox
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v-model="scope.row.isSelected"
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@change="
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isSelected => {
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rowSelected(isSelected, scope.row);
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}
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"
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></el-checkbox>
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<span v-for="space in scope.row._level" :key="space" class="ms-tree-space" />
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<span v-if="iconShow(0, scope.row)" class="tree-ctrl" @click="toggleExpanded(scope.$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.row.menuName }}
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</template>
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</el-table-column>
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<el-table-column
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v-for="(column, index) in columns"
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v-else
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:key="column.value"
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:label="column.text"
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:width="column.width"
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>
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<template slot-scope="scope">
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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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import treeToArray from './eval';
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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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},
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// 树导航列头名称
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treeColumnLabel: {
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type: String,
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default: '导航类别'
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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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type: Boolean,
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default: false
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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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}
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const func = this.evalFunc || treeToArray;
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const args = this.evalArgs ? Array.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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},
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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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},
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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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},
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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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},
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// 行前面复选框选中事件
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rowSelected(isSelected, row) {
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this.$emit('row-selected', isSelected, row);
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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 {
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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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@-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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</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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}
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.processContainer {
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width: 100%;
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height: 100%;
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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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.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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</style>
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