<template>
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<TableLayout class="menu-layout" :permissions="['system:menu:query']">
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<!-- 表格和分页 -->
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<template v-slot:table-wrap>
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<ul class="toolbar" v-permissions="['system:menu:create', 'system:menu:delete', 'system:menu:sort']">
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<li><el-button type="primary" @click="$refs.operaMenuWindow.open('新建一级菜单')" icon="el-icon-plus" v-permissions="['system:menu:create']">新建</el-button></li>
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<li><el-button @click="deleteByIdInBatch" icon="el-icon-delete" v-permissions="['system:menu:delete']">删除</el-button></li>
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<li><el-button @click="sort('top')" :loading="isWorking.sort" icon="el-icon-sort-up" v-permissions="['system:menu:sort']">上移</el-button></li>
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<li><el-button @click="sort('bottom')" :loading="isWorking.sort" icon="el-icon-sort-down" v-permissions="['system:menu:sort']">下移</el-button></li>
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</ul>
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<el-table
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:height="tableHeightNew"
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ref="table"
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v-loading="isWorking.search"
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:data="tableData.list"
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row-key="id"
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stripe
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default-expand-all
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@selection-change="handleSelectionChange"
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>
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<el-table-column type="selection" width="55" fixed="left"></el-table-column>
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<el-table-column prop="name" label="菜单名称" fixed="left" min-width="160px"></el-table-column>
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<el-table-column prop="icon" label="图标" min-width="80px" class-name="table-column-icon">
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<template slot-scope="{row}">
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<i v-if="row.icon != null && row.icon !== ''" :class="{[row.icon]: true}"></i>
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<template v-else>未设置</template>
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</template>
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</el-table-column>
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<el-table-column prop="path" label="访问路径" min-width="140px"></el-table-column>
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<el-table-column prop="remark" label="备注" min-width="120px"></el-table-column>
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<el-table-column prop="createUser" label="创建人" min-width="100px">
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<template slot-scope="{row}">{{row.createUserInfo == null ? '' : row.createUserInfo.username}}</template>
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</el-table-column>
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<el-table-column prop="createTime" label="创建时间" min-width="140px"></el-table-column>
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<el-table-column prop="updateUser" label="更新人" min-width="100px">
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<template slot-scope="{row}">{{row.updateUserInfo == null ? '' : row.updateUserInfo.username}}</template>
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</el-table-column>
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<el-table-column prop="updateTime" label="更新时间" min-width="140px"></el-table-column>
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<el-table-column prop="disabled" label="是否启用" min-width="80px">
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<template slot-scope="{row}">
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<el-switch v-model="row.disabled" :active-value="false" :inactive-value="true" @change="switchDisabled(row)"/>
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</template>
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</el-table-column>
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<el-table-column
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v-if="containPermissions(['system:menu:update', 'system:menu:create', 'system:menu:delete'])"
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label="操作"
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min-width="220"
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fixed="right"
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>
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<template slot-scope="{row}">
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<el-button type="text" icon="el-icon-edit" @click="$refs.operaMenuWindow.open('编辑菜单', row)" v-permissions="['system:menu:update']">编辑</el-button>
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<el-button type="text" icon="el-icon-plus" @click="$refs.operaMenuWindow.open('新建子菜单', null, row)" v-permissions="['system:menu:create']">新建子菜单</el-button>
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<el-button v-if="!row.fixed" type="text" icon="el-icon-delete" @click="deleteById(row)" v-permissions="['system:menu:delete']">删除</el-button>
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</template>
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</el-table-column>
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</el-table>
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</template>
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<!-- 新建/修改 -->
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<OperaMenuWindow ref="operaMenuWindow" @success="handlePageChange(tableData.pagination.pageIndex)"/>
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</TableLayout>
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</template>
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<script>
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import TableLayout from '@/layouts/TableLayout'
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import BaseTable from '@/components/base/BaseTable'
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import OperaMenuWindow from '@/components/system/menu/OperaMenuWindow'
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import { fetchTree, updateStatus, sort } from '@/api/system/menu'
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export default {
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name: 'SystemMenu',
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extends: BaseTable,
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components: { OperaMenuWindow, TableLayout },
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data () {
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return {
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// 是否正在处理中
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isWorking: {
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sort: false
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}
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}
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},
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methods: {
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/**
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* 覆盖页码变更处理
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*/
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handlePageChange () {
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this.isWorking.search = true
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fetchTree()
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.then(records => {
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this.tableData.list = records
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})
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.catch(e => {
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this.$tip.apiFailed(e)
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})
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.finally(() => {
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this.isWorking.search = false
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})
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},
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/**
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* 排序
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*
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* @param direction 方向，取值[top:上移, bottom:下移]
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*/
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sort (direction) {
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if (this.isWorking.sort) {
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return
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}
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if (this.tableData.selectedRows.length === 0) {
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this.$tip.warning('请选择一条数据')
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return
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}
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if (this.tableData.selectedRows.length > 1) {
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this.$tip.warning('排序时仅允许选择一条数据')
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return
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}
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const menuId = this.tableData.selectedRows[0].id
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// 找到菜单范围
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let menuPool
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for (const rootMenu of this.tableData.list) {
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const parent = this.__findParent(menuId, rootMenu)
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if (parent != null) {
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menuPool = parent.children
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}
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}
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menuPool = menuPool || this.tableData.list
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const menuIndex = menuPool.findIndex(menu => menu.id === menuId)
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// 上移校验
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if (direction === 'top' && menuIndex === 0) {
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this.$tip.warning('菜单已到顶部')
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return
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}
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// 下移校验
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if (direction === 'bottom' && menuIndex === menuPool.length - 1) {
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this.$tip.warning('菜单已到底部')
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return
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}
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this.isWorking.sort = true
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sort({
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id: this.tableData.selectedRows[0].id,
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direction
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})
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.then(() => {
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if (direction === 'top') {
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menuPool.splice(menuIndex, 0, menuPool.splice(menuIndex - 1, 1)[0])
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} else {
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menuPool.splice(menuIndex, 0, menuPool.splice(menuIndex + 1, 1)[0])
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}
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})
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.catch(e => {
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this.$tip.apiFailed(e)
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})
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.finally(() => {
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this.isWorking.sort = false
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})
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},
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/**
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* 启用/禁用
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*
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* @param row 行对象
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*/
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switchDisabled (row) {
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const newValue = row.disabled
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row.disabled = !row.disabled
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// 开启
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if (!newValue) {
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this.__updateMenuStatus(row, newValue)
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return
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}
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// 禁用
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this.$dialog.disableConfirm(`确认禁用 ${row.name} 菜单吗？`)
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.then(() => {
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this.__updateMenuStatus(row, newValue)
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})
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.catch(() => {
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})
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},
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/**
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* 查询父节点
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*
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* @param id 节点ID
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* @param parent 在哪个父节点中进行查找
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* @returns {null|{children}|*|*|undefined|null}
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* @private
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*/
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__findParent (id, parent) {
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if (parent.children == null || parent.children.length === 0) {
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return
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}
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for (const row of parent.children) {
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if (row.id === id) {
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return parent
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}
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if (row.children.length > 0) {
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const target = this.__findParent(id, row)
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if (target != null) {
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return target
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}
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}
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}
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return null
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},
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/**
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* 修改菜单状态
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*
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* @param row 行对象
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* @param newValue 新值
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* @private
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*/
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__updateMenuStatus (row, newValue) {
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updateStatus({
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id: row.id,
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parentId: row.parentId,
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disabled: newValue
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})
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.then(() => {
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row.disabled = newValue
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this.$tip.apiSuccess('修改成功')
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})
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.catch(e => {
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this.$tip.apiFailed(e)
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})
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}
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},
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created () {
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this.config({
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module: '菜单',
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api: '/system/menu'
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})
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this.search()
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}
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}
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</script>
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<style lang="scss" scoped>
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@import "@/assets/style/variables.scss";
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.menu-layout {
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/deep/ .table-content {
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margin-top: 0;
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.table-wrap {
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padding-bottom: 16px;
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}
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}
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}
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// 图标列
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.table-column-icon {
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// element-ui图标
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i {
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background-color: $primary-color;
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opacity: 0.72;
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font-size: 20px;
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color: #fff;
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padding: 4px;
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border-radius: 50%;
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}
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// 自定义图标
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[class^="eva-icon-"] {
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width: 20px;
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height: 20px;
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background-size: 16px;
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vertical-align: middle;
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}
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}
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</style>
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