151 lines
2.7 KiB
Markdown
151 lines
2.7 KiB
Markdown
# vue-tree-list
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A vue component for tree structure. Support adding treenode/leafnode, editing node's name and dragging.
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[Live Demo](http://paradeto.com/vue-tree-list/)
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# use
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``npm install vue-tree-list``
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```javascript
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<div>
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<button @click="addNode">Add Node</button>
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<vue-tree-list
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@click="onClick"
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@change-name="onChange"
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@delete-node="onChange"
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@add-node="onChange"
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:model="data"
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default-tree-node-name="new node"
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default-leaf-node-name="new leaf"
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v-bind:default-expanded="false">
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</vue-tree-list>
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<button @click="getNewTree">Get new tree</button>
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<pre>
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{{newTree}}
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</pre>
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</div>
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...
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import { VueTreeList, Tree, TreeNode } from 'vue-tree-list'
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export default {
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components: {
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VueTreeList
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},
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data () {
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return {
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newTree: {},
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data: new Tree([
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{
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name: 'Node 1',
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id: 1,
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pid: 0,
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dragDisabled: true,
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children: [
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{
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name: 'Node 1-2',
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id: 2,
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isLeaf: true,
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pid: 1
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}
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]
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},
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{
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name: 'Node 2',
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id: 3,
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pid: 0,
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disabled: true
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},
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{
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name: 'Node 3',
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id: 4,
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pid: 0
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}
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])
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}
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},
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methods: {
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onChange (data) {
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console.log(data)
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},
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addNode () {
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var node = new TreeNode({ name: 'new node', isLeaf: false })
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if (!this.data.children) this.data.children = []
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this.data.addChildren(node)
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},
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getNewTree () {
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var vm = this
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function _dfs (oldNode) {
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var newNode = {}
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for (var k in oldNode) {
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if (k !== 'children' && k !== 'parent') {
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newNode[k] = oldNode[k]
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}
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}
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if (oldNode.children && oldNode.children.length > 0) {
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newNode.children = []
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for (var i = 0, len = oldNode.children.length; i < len; i++) {
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newNode.children.push(_dfs(oldNode.children[i]))
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}
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}
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return newNode
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}
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vm.newTree = _dfs(vm.data)
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},
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onClick(model) {
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console.log(model)
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}
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}
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}
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```
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# props
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**default-tree-node-name**
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Default name for new treenode.
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**default-leaf-node-name**
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Default name for new leafnode.
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**default-expanded**
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Default node is expanded or not.
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# events
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**click**
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**change-name**
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**delete-node**
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```javascript
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@delete-node="onDel"
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...
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onDel (node) {
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node.remove()
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},
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```
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**add-node**
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# Forbid dragging
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Use `dragDisabled` to forbid dragging:
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```javascript
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data: new Tree([
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{
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name: 'Node 1',
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id: 1,
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pid: 0,
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dragDisabled: true,
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...
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```
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