element-plus/docs/examples/tree-v2/custom-node-class.vue
jiaxiang e0777ef567
feat(components): [tree-v2] add props.class prop (#18911)
* feat(components): [tree-v2] allow tree node to have customizable class

* docs: update docs

* docs: add demo

* docs: update

* fix: update
2024-11-16 23:44:06 +08:00

88 lines
1.5 KiB
Vue

<template>
<el-tree-v2
style="max-width: 600px"
:data="data"
show-checkbox
:expand-on-click-node="false"
:props="{ class: customNodeClass }"
/>
</template>
<script lang="ts" setup>
import type {
TreeNode,
TreeNodeData,
} from 'element-plus/es/components/tree-v2/src/types'
interface Tree {
id?: string
value?: string
label?: string
isPenultimate?: boolean
children?: Tree[]
}
const customNodeClass = ({ isPenultimate }: TreeNodeData, node: TreeNode) =>
isPenultimate ? 'is-penultimate' : ''
const data: Tree[] = [
{
id: '1',
label: 'Level one 1',
children: [
{
id: '4',
label: 'Level two 1-1',
isPenultimate: true,
children: [
{
id: '9',
label: 'Level three 1-1-1',
},
{
id: '10',
label: 'Level three 1-1-2',
},
],
},
],
},
{
id: '2',
label: 'Level one 2',
isPenultimate: true,
children: [
{
id: '5',
label: 'Level two 2-1',
},
{
id: '6',
label: 'Level two 2-2',
},
],
},
{
id: '3',
label: 'Level one 3',
isPenultimate: true,
children: [
{
id: '7',
label: 'Level two 3-1',
},
{
id: '8',
label: 'Level two 3-2',
},
],
},
]
</script>
<style>
.is-penultimate > .el-tree-node__content {
color: var(--el-color-primary);
}
</style>