PermissionTreeNode.vue
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<template>
<div class="space-y-1">
<div
:class="`permission-tree-node flex items-center gap-2 p-2 rounded ${level > 0 ? 'ml-6' : ''}`">
<!-- 展开/收起按钮 -->
<button
v-if="hasChildren"
@click="$emit('toggleExpand', permission.id)"
class="p-1 hover:bg-neutral-200 rounded flex items-center justify-center w-6 h-6"
>
<el-icon class="text-neutral-600">
<ArrowDown v-if="isExpanded" />
<ArrowRight v-else />
</el-icon>
</button>
<div v-else class="w-6" />
<!-- 复选框 -->
<el-checkbox
:model-value="isSelected"
@change="$emit('togglePermission', permission.id)"
:indeterminate="isIndeterminate"
/>
<!-- 权限信息 -->
<div class="flex-1">
<div class="flex items-center gap-2">
<span class="text-neutral-900">{{ permission.name }}</span>
<!-- <el-tag
type="info"
effect="plain"
size="small"
class="text-xs"
>
{{ permission.code }}
</el-tag> -->
</div>
<!-- <p v-if="permission.description" class="text-xs text-neutral-500 mt-1">
{{ permission.description }}
</p> -->
</div>
</div>
<!-- 子权限 -->
<div v-if="hasChildren && isExpanded" class="ml-4 border-l-2 border-neutral-200">
<PermissionTreeNode
v-for="child in permission.children"
:key="child.id"
:permission="child"
:selected-permissions="selectedPermissions"
:expanded-permissions="expandedPermissions"
:level="level + 1"
@toggle-permission="$emit('togglePermission', $event)"
@toggle-expand="$emit('toggleExpand', $event)"
/>
</div>
</div>
</template>
<script setup lang="ts">
import { computed } from 'vue'
import { ArrowDown, ArrowRight } from '@element-plus/icons-vue'
// 类型定义
interface Permission {
id: string
name: string
code: string
description?: string
parentId?: string
children?: Permission[]
}
// Props
interface Props {
permission: Permission
selectedPermissions: string[]
expandedPermissions: Set<string>
level: number
}
const props = defineProps<Props>()
// Emits
defineEmits<{
togglePermission: [permissionId: string]
toggleExpand: [permissionId: string]
}>()
// 计算属性
const hasChildren = computed(() =>
props.permission.children && props.permission.children.length > 0
)
const isExpanded = computed(() =>
props.expandedPermissions.has(props.permission.id)
)
const isSelected = computed(() =>
props.selectedPermissions.includes(props.permission.id)
)
const isIndeterminate = computed(() => {
if (isSelected.value || !hasChildren.value) return false
return props.permission.children!.some(c =>
props.selectedPermissions.includes(c.id)
)
})
</script>
<style scoped>
/* 组件特定样式 */
</style>