<script lang="ts" setup>
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import type { SystemDeptApi } from '#/api/system/dept';
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import { onMounted, ref } from 'vue';
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import { IconifyIcon } from '@vben/icons';
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import { handleTree } from '@vben/utils';
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import { Input, Spin, Tree } from 'ant-design-vue';
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import { getSimpleDeptList } from '#/api/system/dept';
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defineOptions({ name: 'DeptTreeSelect' });
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const emit = defineEmits<{
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select: [dept?: SystemDeptApi.Dept];
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}>();
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const deptList = ref<SystemDeptApi.Dept[]>([]); // 部门列表
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const deptTree = ref<any[]>([]); // 部门树
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const expandedKeys = ref<number[]>([]); // 展开的节点
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const selectedKeys = ref<number[]>([]); // 选中的节点
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const loading = ref(false); // 加载状态
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const searchValue = ref(''); // 搜索值
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/** 处理搜索逻辑 */
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function handleSearch(e: any) {
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const value = e.target.value;
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searchValue.value = value;
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const filteredList = value
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? deptList.value.filter((item) =>
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item.name.toLowerCase().includes(value.toLowerCase()),
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)
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: deptList.value;
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deptTree.value = handleTree(filteredList);
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// 展开所有节点
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expandedKeys.value = deptTree.value.map((node) => node.id!);
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}
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/** 选中部门：点击已选中的节点时取消选中 */
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function handleSelect(_selectedKeys: any[], info: any) {
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emit('select', info.selected ? info.node.dataRef : undefined);
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}
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/** 重置选中状态（供外部重置按钮调用） */
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function reset() {
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searchValue.value = '';
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selectedKeys.value = [];
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deptTree.value = handleTree(deptList.value);
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emit('select', undefined);
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}
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defineExpose({ reset });
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/** 初始化 */
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onMounted(async () => {
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try {
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loading.value = true;
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const data = await getSimpleDeptList();
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deptList.value = data;
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deptTree.value = handleTree(data);
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} finally {
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loading.value = false;
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}
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});
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</script>
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<template>
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<div>
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<Input
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v-model:value="searchValue"
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allow-clear
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class="w-full"
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placeholder="搜索部门"
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@change="handleSearch"
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>
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<template #prefix>
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<IconifyIcon class="size-4" icon="lucide:search" />
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</template>
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</Input>
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<Spin :spinning="loading" wrapper-class-name="w-full">
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<Tree
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v-if="deptTree.length > 0"
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v-model:selected-keys="selectedKeys"
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class="pt-2"
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:default-expand-all="true"
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:field-names="{ title: 'name', key: 'id', children: 'children' }"
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:tree-data="deptTree"
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@select="handleSelect"
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/>
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<div v-else-if="!loading" class="py-4 text-center text-gray-500">
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暂无数据
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</div>
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</Spin>
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</div>
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</template>
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