347 lines
9.7 KiB
Vue
347 lines
9.7 KiB
Vue
<script setup lang="ts">
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import { computed, unref, VNode, VNodeChild } from 'vue'
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import TreeEntity from './TreeEntity.vue'
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interface TreeData {
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/**
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* 节点唯一索引值，用于对指定节点进行各类操作
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*/
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id: string | number
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/**
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* 节点标题
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*/
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title: string | (() => string)
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/**
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* 节点字段名
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*/
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field: string | (() => string)
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/**
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* 子节点。支持设定选项同父节点
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*/
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children: TreeData[]
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/**
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* 点击节点弹出新窗口对应的 url。需开启 isJump 参数
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* 废弃，通过 on-click事件用户控制
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*/
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href: string | URL
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/**
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* 节点是否初始展开，默认 false
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* 废弃：设置 v-model:spreadKeys
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*/
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spread: boolean
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/**
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* 节点是否初始为选中状态（如果开启复选框的话），默认 false
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* 废弃：设置 v-model:checkedKeys
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*/
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checked: boolean
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/**
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* 节点是否为禁用状态。默认 false
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*/
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disabled: boolean
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}
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type EditAction = 'add' | 'update' | 'del'
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type EditType = boolean | EditAction[]
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interface TreeProps {
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/**
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* 指定唯一的id
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*/
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id?: string
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/**
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* 选中的节点
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*/
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checkedKeys?: any[]
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/**
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* 展开的节点
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*/
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spreadKeys?: any[]
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/**
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* 数据源
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*/
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data?: TreeData
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/**
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* 是否显示复选框 默认 false
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*/
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showCheckbox?: boolean
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/**
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* 是否开启节点的操作图标。默认 false。
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若为 true，则默认显示“改删”图标
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若为 数组，则可自由配置操作图标的显示状态和顺序，目前支持的操作图标有：add、update、del，如：
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edit: ['add', 'update', 'del']
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*/
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edit?: EditType
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/**
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* 是否开启手风琴模式，默认 false
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*/
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accordion?: boolean
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/**
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* 是否仅允许节点左侧图标控制展开收缩。默认 false（即点击节点本身也可控制）。若为 true，则只能通过节点左侧图标来展开收缩
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*/
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onlyIconControl?: boolean
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/**
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* 是否允许点击节点时弹出新窗口跳转。默认 false，若开启，需在节点数据中设定 link 参数（值为 url 格式
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* 废弃：能过事件用户自行控制
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*/
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isJump?: boolean
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/**
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* 是否开启连接线。默认 true，若设为 false，则节点左侧出现三角图标。
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*/
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showLine?: boolean
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/**
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* 自定义各类默认文本，目前支持以下设定：
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*/
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text?: {
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/**
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* 节点默认名称
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*/
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defaultNodeName?: () => string | string
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/**
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* 数据为空时的提示文本
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*/
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none?: () => string | string | VNode | Element
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}
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}
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interface TreeNode {
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/**
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* 当前点击的节点数据
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*/
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data: TreeData
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/**
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* 节点的展开状态
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*/
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state: 'open' | 'close' | 'normal'
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/**
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* 当前节点元素
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*/
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elem: Element | VNode | VNodeChild
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}
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interface TreeEmits {
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/**
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* 节点被点击后触发
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* @param e 事件
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* @param treeNode
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*/
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(e: 'on-click', treeNode: TreeNode): void
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/**
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* 点击复选框时触发
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* @param e 事件
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* @param treeNode
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*/
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(e: 'on-check', treeNode: TreeNode): void
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/**
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* 操作节点的回调
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* @param e 事件
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* @param treeNode
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*/
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(e: 'on-operate', treeNode: TreeNode): void
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(e: 'update:checkedKeys', keys: any[]): void
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(e: 'update:spreadKeys', keys: any[]): void
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}
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const props = withDefaults(defineProps<TreeProps>(), {
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showCheckbox: false,
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accordion: false,
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onlyIconControl: false,
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isJump: false,
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showLine: true,
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edit: true,
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})
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// tree wrapper style
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const treeWrapperClass = computed(() => {
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const { showCheckbox, showLine } = unref(props)
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return {
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'layui-tree': true,
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'layui-form': showCheckbox,
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'layui-tree-line': showLine,
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}
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})
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/**
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* 按 layui的思路，这里改变数据
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* @param data
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* @param isRootNode
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*/
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function transformTreeData (data: TreeData[], parentExtend = false, isRootNode = true) {
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data.forEach((item, index) => {
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item._parentExtend = !parentExtend ? (index + 1) !== data.length: parentExtend
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if(isRootNode) {
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item._isRoot = true
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}
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if (item.children) {
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item._hasChild = true
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transformTreeData(item.children, item._parentExtend, false)
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} else {
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item._hasChild = false
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}
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})
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}
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const renderData = computed(() => {
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const { data } = unref(props)
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transformTreeData(data)
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console.log(data)
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return data
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})
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console.log(renderData)
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</script>
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<script lang="ts">
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export default {
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name: 'LayTree',
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}
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</script>
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<template>
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<div :class="treeWrapperClass">
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<TreeEntity
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v-for="(node) in renderData"
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:key="node.id"
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:id="node.id"
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:node="node"
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></TreeEntity>
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</div>
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<hr />
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<div class="layui-tree layui-tree-line" lay-filter="LAY-tree-2">
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<div
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data-id="1"
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class="layui-tree-set layui-tree-setHide layui-tree-spread"
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>
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<div class="layui-tree-entry">
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<div class="layui-tree-main">
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<span class="layui-tree-iconClick layui-tree-icon"
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><i class="layui-icon layui-icon-subtraction"></i></span
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><span class="layui-tree-txt">江西</span>
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</div>
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</div>
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<div
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class="layui-tree-pack layui-tree-lineExtend layui-tree-showLine"
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style="display: block"
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>
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<div data-id="1000" class="layui-tree-set layui-tree-spread">
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<div class="layui-tree-entry">
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<div class="layui-tree-main">
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<span class="layui-tree-iconClick layui-tree-icon"
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><i class="layui-icon layui-icon-subtraction"></i></span
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><span class="layui-tree-txt">南昌</span>
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</div>
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</div>
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<div
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class="layui-tree-pack layui-tree-lineExtend layui-tree-showLine"
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style="display: block"
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>
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<div data-id="10001" class="layui-tree-set">
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<div class="layui-tree-entry">
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<div class="layui-tree-main">
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<span class="layui-tree-iconClick"
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><i class="layui-icon layui-icon-file"></i></span
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><span class="layui-tree-txt">青山湖区</span>
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</div>
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</div>
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</div>
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<div data-id="10002" class="layui-tree-set layui-tree-setLineShort">
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<div class="layui-tree-entry">
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<div class="layui-tree-main">
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<span class="layui-tree-iconClick"
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><i class="layui-icon layui-icon-file"></i></span
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><span class="layui-tree-txt">高新区</span>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div data-id="1001" class="layui-tree-set">
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<div class="layui-tree-entry">
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<div class="layui-tree-main">
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<span class="layui-tree-iconClick"
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><i class="layui-icon layui-icon-file"></i></span
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><span class="layui-tree-txt">九江</span>
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</div>
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</div>
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</div>
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<div data-id="1002" class="layui-tree-set">
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<div class="layui-tree-entry">
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<div class="layui-tree-main">
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<span class="layui-tree-iconClick"
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><i class="layui-icon layui-icon-file"></i></span
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><span class="layui-tree-txt">赣州</span>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div
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data-id="2"
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class="layui-tree-set layui-tree-setHide layui-tree-spread"
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>
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<div class="layui-tree-entry">
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<div class="layui-tree-main">
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<span class="layui-tree-iconClick layui-tree-icon"
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><i class="layui-icon layui-icon-subtraction"></i></span
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><span class="layui-tree-txt">广西</span>
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</div>
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</div>
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<div
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class="layui-tree-pack layui-tree-lineExtend layui-tree-showLine"
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style="display: block"
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>
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<div data-id="2000" class="layui-tree-set">
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<div class="layui-tree-entry">
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<div class="layui-tree-main">
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<span class="layui-tree-iconClick"
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><i class="layui-icon layui-icon-file"></i></span
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><span class="layui-tree-txt">南宁</span>
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</div>
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</div>
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</div>
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<div data-id="2001" class="layui-tree-set">
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<div class="layui-tree-entry">
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<div class="layui-tree-main">
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<span class="layui-tree-iconClick"
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><i class="layui-icon layui-icon-file"></i></span
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><span class="layui-tree-txt">桂林</span>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div
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data-id="3"
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class="layui-tree-set layui-tree-setHide layui-tree-setLineShort layui-tree-spread"
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>
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<div class="layui-tree-entry">
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<div class="layui-tree-main">
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<span class="layui-tree-iconClick layui-tree-icon"
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><i class="layui-icon layui-icon-subtraction"></i></span
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><span class="layui-tree-txt">陕西</span>
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</div>
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</div>
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<div class="layui-tree-pack layui-tree-lineExtend" style="display: block">
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<div data-id="3000" class="layui-tree-set">
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<div class="layui-tree-entry">
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<div class="layui-tree-main">
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<span class="layui-tree-iconClick"
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><i class="layui-icon layui-icon-file"></i></span
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><span class="layui-tree-txt">西安</span>
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</div>
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</div>
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</div>
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<div data-id="3001" class="layui-tree-set layui-tree-setLineShort">
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<div class="layui-tree-entry">
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<div class="layui-tree-main">
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<span class="layui-tree-iconClick"
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><i class="layui-icon layui-icon-file"></i></span
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><span class="layui-tree-txt">延安</span>
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</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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</template>
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<style scoped></style>
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