feat: add update node APIs

site/.vitepress/code/ReloadChildren.vue

@@ -0,0 +1,72 @@
+<template>
+  <button @click="handleClearChildren">Clear node-1 children</button>
+  <button @click="handleSetChildren">Set node-1 children</button>
+  <button @click="handleUpdateChildren">Update node-1 children</button>
+  <div :style="{ height: '300px' }">
+    <VTree ref="tree" checkable selectable />
+  </div>
+</template>
+
+<script setup lang="ts">
+import { computed, onMounted, ref } from 'vue'
+import VTree from '@wsfe/vue-tree'
+
+const tree = ref()
+
+const children = Array.from({ length: 100000 }).map((_, i) => {
+  return {
+    title: `node-1-${i + 1}`,
+    id: `node-1-${i + 1}`,
+  }
+})
+
+const data = [
+  {
+    title: 'node-1',
+    id: 'node-1',
+    children,
+  },
+  {
+    title: 'node-2',
+    id: 'node-2',
+    children: [
+      {
+        title: 'node-2-1',
+        id: 'node-2-1',
+      },
+    ],
+  },
+]
+
+onMounted(() => {
+  tree.value.setData(data)
+})
+
+const handleSetChildren = () => {
+  tree.value.updateNode('node-1', { children })
+}
+const handleClearChildren = () => {
+  tree.value.updateNode('node-1', { children: [] })
+}
+const handleUpdateChildren = () => {
+  tree.value.updateNode('node-1', {
+    children: children.map((child) => {
+      return {
+        ...child,
+        title: `${child.title} ${Date.now()}`,
+        checked: true,
+      }
+    })
+  })
+}
+</script>
+
+<style scoped>
+button {
+  border: 1px solid lightgray;
+  border-radius: 8px;
+  padding-left: 10px;
+  padding-right: 10px;
+  margin-right: 20px;
+}
+</style>

site/.vitepress/code/UpdateCustomField.vue

@@ -0,0 +1,66 @@
+<template>
+  <button @click="handleUpdateCount">Update node-1 count</button>
+  <VTree ref="tree">
+    <template #node="{ node }">
+      <span>{{ node.title }}</span>
+      <span v-if="typeof node.count === 'number'">
+        Count: {{ node.count }}
+      </span>
+    </template>
+  </VTree>
+</template>
+
+<script setup lang="ts">
+import { onMounted, ref } from 'vue'
+import VTree from '@wsfe/vue-tree'
+
+const tree = ref()
+
+const data = [
+  {
+    title: 'node-1',
+    id: 'node-1',
+    count: 0,
+    children: [
+      {
+        title: 'node-1-1',
+        id: 'node-1-1',
+      },
+      {
+        title: 'node-1-2',
+        id: 'node-1-2',
+      },
+    ],
+  },
+  {
+    title: 'node-2',
+    id: 'node-2',
+    children: [
+      {
+        title: 'node-2-1',
+        id: 'node-2-1',
+      },
+    ],
+  },
+]
+
+onMounted(() => {
+  tree.value.setData(data)
+})
+
+const handleUpdateCount = () => {
+  const key = 'node-1'
+  const currentCount = tree.value.getNode(key).count
+  tree.value.updateNode(key, { count: currentCount + 1 })
+}
+</script>
+
+<style scoped>
+button {
+  border: 1px solid lightgray;
+  border-radius: 8px;
+  padding-left: 10px;
+  padding-right: 10px;
+  margin-right: 20px;
+}
+</style>

site/.vitepress/code/UpdateNodeTitle.vue

@@ -0,0 +1,73 @@
+<template>
+  <button @click="handleUpdateSingleNode">Update node-1</button>
+  <button @click="handleUpdateMultipleNode">Update node-1 & node-2</button>
+  <VTree ref="tree" />
+</template>
+
+<script setup lang="ts">
+import { computed, onMounted, ref } from 'vue'
+import VTree from '@wsfe/vue-tree'
+
+const tree = ref()
+
+const data = [
+  {
+    title: 'node-1',
+    id: 'node-1',
+    children: [
+      {
+        title: 'node-1-1',
+        id: 'node-1-1',
+      },
+      {
+        title: 'node-1-2',
+        id: 'node-1-2',
+      },
+    ],
+  },
+  {
+    title: 'node-2',
+    id: 'node-2',
+    children: [
+      {
+        title: 'node-2-1',
+        id: 'node-2-1',
+      },
+    ],
+  },
+]
+
+onMounted(() => {
+  tree.value.setData(data)
+})
+
+const count = ref(0)
+
+const handleUpdateSingleNode = () => {
+  count.value++
+  tree.value.updateNode('node-1', { title: `node-1 - ${count.value}` })
+}
+const handleUpdateMultipleNode = () => {
+  count.value++
+  tree.value.updateNodes([
+    {
+      id: 'node-1',
+      title: `node-1 - ${count.value}`,
+    },
+    {
+      id: 'node-2',
+      title: `node-2 - ${count.value}`,
+    },
+  ])
+}
+</script>
+
+<style scoped>
+button {
+  border: 1px solid lightgray;
+  border-radius: 8px;
+  padding-left: 10px;
+  padding-right: 10px;
+  margin-right: 20px;
+}
+</style>

site/api/vtree.md

@@ -97,6 +97,8 @@
 | filter                 | 过滤节点                                        | `keyword: string`: 过滤关键词<br/>`filterMethod: (keyword: string, node: TreeNode) => boolean`: 过滤方法，默认为 filterMethod Prop ，如果没有传 filterMethod Prop 则为搜索 title 字段的一个内置方法 | `void`                            |
 | showCheckedNodes       | 展示已选节点                                    | `showUnloadCheckedNodes: boolean`: 是否显示未加载的选中节点，默认为 Prop 传入的值                                                                                                                   | `void`                            |
 | loadRootNodes          | 从远程加载根节点                                | 无                                                                                                                                                                                                  | `Promise<void>`                   |
+| updateNode `4.1.0`     | 更新单个节点                                    | `key: string \| number`: 节点 key<br/>`newNode: object`: 新节点数据，某些字段将被忽略，例如以下划线 "_" 开头的字段，以及 key 字段和 `indeterminate`, `visible`, `isLeaf` 等                         | `void`                            |
+| updateNodes `4.1.0`    | 更新多个节点                                    | `newNodes: object[]`: 新节点数据数组，与 `updateNode` 相同，特定的字段会被忽略，且没有 key 字段的元素将被忽略                                                                                       | `void`                            |
 | scrollTo               | 滚动到指定节点位置                              | `key: string \| number`: 节点 key<br/>`verticalPosition: 'top' \| 'center' \| 'bottom' \| number`: 滚动的垂直位置                                                                                   | `void`                            |
 
 ## VTree Slots

site/en/api/vtree.md

@@ -97,6 +97,8 @@ Note: Since `2.0.8`, the node info returned in events contains the full node inf
 | filter                 | Filter nodes                                                  | `keyword: string`: filter keyword<br/>`filterMethod: (keyword: string, node: TreeNode) => boolean`: filter method, default to filterMethod prop. if filterMethod prop is not present, it's an internal method that searches node title | `void`                                   |
 | showCheckedNodes       | Show checked nodes                                            | `showUnloadCheckedNodes: boolean`: whether to show checked nodes that are not loaded, default to prop value                                                                                                                            | `void`                                   |
 | loadRootNodes          | Load root nodes from remote                                   | None                                                                                                                                                                                                                                   | `Promise<void>`                          |
+| updateNode `4.1.0`     | Update single node                                            | `key: string \| number`: node key<br/>`newNode: object`: new node data, some fields will be ignored, like those start with underscore '_', the key field and `indeterminate`, `visible`, `isLeaf`, etc.                                | `void`                                   |
+| updateNodes `4.1.0`    | Update multiple nodes                                         | `newNodes: object[]`: new nodes array, some specific fields will be ignored like `updateNode`, and the elements without key field also will be ignored                                                                                 | `void`                                   |
 | scrollTo               | Scroll to specific node position                              | `key: string \| number`: node key<br/>`verticalPosition: 'top' \| 'center' \| 'bottom' \| number`: vertical position of scrolling                                                                                                      | `void`                                   |
 
 ## VTree Slots

site/en/examples/node-manipulation.md

@@ -22,3 +22,23 @@ Enable `draggable` and `droppable`
 - Invoke `remove` to remove a node
 
 <CodeDemo component="NodeCreationAndRemoval" />
+
+## Update Node Title {#update-node-title}
+
+Invoke `updateNode` method to update some fields of tree node
+
+Invoke `updateNodes` to update multiple nodes
+
+<CodeDemo component="UpdateNodeTitle" />
+
+## Update Custom Field {#update-custom-field}
+
+Invoke `updateNode` method to update custom fields in tree node
+
+<CodeDemo component="UpdateCustomField" />
+
+## Reload Child Nodes {#reload-children}
+
+Invoke `updateNode` and pass a new `children` list to reload child nodes
+
+<CodeDemo component="ReloadChildren" />

site/examples/node-manipulation.md

@@ -22,3 +22,23 @@
 - 调用树组件的 `remove` 方法，可移除节点
 
 <CodeDemo component="NodeCreationAndRemoval" />
+
+## 更新节点名称 {#update-node-title}
+
+调用树组件的 `updateNode` 方法可更新节点部分字段
+
+调用 `updateNodes` 可批量更新
+
+<CodeDemo component="UpdateNodeTitle" />
+
+## 更新自定义字段 {#update-custom-field}
+
+调用树组件的 `updateNode` 方法更新自定义字段
+
+<CodeDemo component="UpdateCustomField" />
+
+## 重新加载子节点 {#reload-children}
+
+调用 `updateNode` 传入新的 `children` 列表可以重新加载子节点
+
+<CodeDemo component="ReloadChildren" />

src/components/Tree.vue

@@ -405,6 +405,8 @@ const {
   filter,
   showCheckedNodes,
   loadRootNodes,
+  updateNode,
+  updateNodes,
 } = usePublicTreeAPI(nonReactive, props, {
   resetSpaceHeights,
   updateExpandedKeys,
@@ -705,6 +707,8 @@ defineExpose({
   filter,
   showCheckedNodes,
   loadRootNodes,
+  updateNode,
+  updateNodes,
   scrollTo,
 })
 

src/constants/index.ts

@@ -39,6 +39,8 @@ export const TREE_API_METHODS = [
   'filter',
   'showCheckedNodes',
   'loadRootNodes',
+  'updateNode',
+  'updateNodes',
   'scrollTo'
 ] as const
 

src/hooks/usePublicTreeAPI.ts

@@ -235,6 +235,18 @@ export const usePublicTreeAPI = (
         isRootLoading.value = false
       })
   }
+  /**
+   * 更新单个节点
+   */
+  function updateNode(key: TreeNodeKeyType, newNode: ITreeNodeOptions) {
+    return nonReactive.store.updateNode(key, newNode)
+  }
+  /**
+   * 更新多个节点
+   */
+  function updateNodes(newNodes: ITreeNodeOptions[]) {
+    return nonReactive.store.updateNodes(newNodes)
+  }
 
   return {
     unloadCheckedNodes,
@@ -269,5 +281,7 @@ export const usePublicTreeAPI = (
     filter,
     showCheckedNodes,
     loadRootNodes,
+    updateNode,
+    updateNodes,
   }
 }