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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,155 @@ | ||
| <script lang="ts" setup> | ||
| import { onMounted, ref, shallowRef } from 'vue'; | ||
| import { VirtTree, type TreeNode } from 'vue-virt-list'; | ||
| type ItemData = { | ||
| id: string | number; | ||
| title: string; | ||
| children?: ItemData[]; | ||
| // 禁止拖入 | ||
| disableDragIn?: boolean; | ||
| // 禁止托出 | ||
| disableDragOut?: boolean; | ||
| }; | ||
| const customFieldNames = { | ||
| key: 'id', | ||
| }; | ||
| const list = ref<ItemData[]>([]); | ||
| list.value = Array.from({ length: 40 }).map((_, i) => ({ | ||
| id: i + 1, | ||
| title: `Node-${i}`, | ||
| disableDragIn: true, | ||
| })); | ||
| const virtTreeRef = ref<typeof VirtTree>(); | ||
| const filterMethod = (query: string, node: any) => { | ||
| return node.name.includes(query); | ||
| }; | ||
| function onDragstart() { | ||
| console.log('onDragstart'); | ||
| } | ||
| function onDragEnd(data: any) { | ||
| if (data) { | ||
| console.log('drag success', data); | ||
| } else { | ||
| console.warn('drag fail: Invalid'); | ||
| } | ||
| } | ||
| const draggable = ref(true); | ||
| const expandedKeys = ref<number[]>([1, 100, 102]); | ||
| const toggleExpand = (key: number) => { | ||
| virtTreeRef.value?.expandNode(key, !expandedKeys.value.includes(key)); | ||
| }; | ||
| function onDragStart(e: MouseEvent | Event) { | ||
| if (virtTreeRef.value?.onDragstart) virtTreeRef.value?.onDragstart(e); | ||
| } | ||
| </script> | ||
|
|
||
| <template> | ||
| <div class="demo-tree"> | ||
| <div class="virt-tree-wrapper"> | ||
| <VirtTree | ||
| ref="virtTreeRef" | ||
| v-model:expandedKeys="expandedKeys" | ||
| :list="list" | ||
| :fieldNames="customFieldNames" | ||
| :indent="0" | ||
| :iconSize="14" | ||
| :filterMethod="filterMethod" | ||
| :itemGap="4" | ||
| @dragstart="onDragstart" | ||
| @dragend="onDragEnd" | ||
| dragOnly | ||
| dragGhostClass="drag-ghost-class" | ||
| dragClass="drag-class" | ||
| expandOnClickNode | ||
| default-expand-all | ||
| > | ||
| <template #default="{ node }"> | ||
| <div | ||
| :style="{ | ||
| display: 'flex', | ||
| alignItems: 'center', | ||
| height: '32px', | ||
| }" | ||
| @click="toggleExpand(node.data.id)" | ||
| > | ||
| <!-- drag handler --> | ||
| <div | ||
| style="cursor: move; margin-right: 8px" | ||
| draggable="true" | ||
| @dragstart="onDragStart" | ||
| > | ||
| <svg | ||
| width="16" | ||
| height="16" | ||
| viewBox="0 0 16 16" | ||
| fill="none" | ||
| xmlns="http://www.w3.org/2000/svg" | ||
| > | ||
| <path | ||
| fill-rule="evenodd" | ||
| clip-rule="evenodd" | ||
| d="M5 3C5 2.44772 5.44772 2 6 2C6.55228 2 7 2.44772 7 3C7 3.55228 6.55228 4 6 4C5.44772 4 5 3.55228 5 3ZM9 3C9 2.44772 9.44772 2 10 2C10.5523 2 11 2.44772 11 3C11 3.55228 10.5523 4 10 4C9.44772 4 9 3.55228 9 3ZM5 8C5 7.44772 5.44772 7 6 7C6.55228 7 7 7.44772 7 8C7 8.55228 6.55228 9 6 9C5.44772 9 5 8.55228 5 8ZM9 8C9 7.44772 9.44772 7 10 7C10.5523 7 11 7.44772 11 8C11 8.55228 10.5523 9 10 9C9.44772 9 9 8.55228 9 8ZM5 13C5 12.4477 5.44772 12 6 12C6.55228 12 7 12.4477 7 13C7 13.5523 6.55228 14 6 14C5.44772 14 5 13.5523 5 13ZM9 13C9 12.4477 9.44772 12 10 12C10.5523 12 11 12.4477 11 13C11 13.5523 10.5523 14 10 14C9.44772 14 9 13.5523 9 13Z" | ||
| fill="var(--virt-tree-color-icon)" | ||
| /> | ||
| </svg> | ||
| </div> | ||
| <!-- content --> | ||
| <div> | ||
| {{ node.title }} | ||
| </div> | ||
| </div> | ||
| </template> | ||
|
|
||
| <template #empty> | ||
| <div style="padding: 16px">暂无数据</div> | ||
| </template> | ||
| </VirtTree> | ||
| </div> | ||
| </div> | ||
| </template> | ||
|
|
||
| <style scoped lang="scss"> | ||
| .demo-tree { | ||
| width: 100%; | ||
| display: flex; | ||
| flex-direction: column; | ||
| overflow: hidden; | ||
| .tree-btn-container { | ||
| display: flex; | ||
| flex: 1; | ||
| flex-direction: row-reverse; | ||
| justify-content: space-between; | ||
| padding: 12px 8px; | ||
| gap: 8px; | ||
| .input-label { | ||
| font-size: 14px; | ||
| } | ||
| .btn-item { | ||
| padding: 4px 12px; | ||
| cursor: pointer; | ||
| border: 1px solid #ececec; | ||
| border-radius: 4px; | ||
| font-size: 14px; | ||
| } | ||
| .input-container { | ||
| display: flex; | ||
| gap: 8px; | ||
| align-items: center; | ||
| input { | ||
| height: 100%; | ||
| border: 1px solid #ececec; | ||
| border-radius: 4px; | ||
| padding: 0 8px; | ||
| } | ||
| } | ||
| } | ||
| } | ||
| </style> |
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