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vue-tree-xz

v3.0.0

Published

A vue component for tree structure. Support adding treenode/leafnode, editing node's name and dragging.

Downloads

8

Readme

vue-tree-list

A vue component for tree structure. Support adding treenode/leafnode, editing node's name and dragging.

vue-tree-demo.gif

Live Demo

use

npm install vue-tree-list

<template>
  <div>
    <button @click="addNode">Add Node</button>
    <vue-tree-list
      @click="onClick"
      @change-name="onChangeName"
      @delete-node="onDel"
      @add-node="onAddNode"
      :model="data"
      default-tree-node-name="new node"
      default-leaf-node-name="new leaf"
      v-bind:default-expanded="false">
      <span class="icon" slot="addTreeNode">addTreeNode</span>
      <span class="icon" slot="addLeafNode">addLeafNode</span>
      <span class="icon" slot="editNode">editNode</span>
      <span class="icon" slot="delNode">delNode</span>
    </vue-tree-list>
    <button @click="getNewTree">Get new tree</button>
    <pre>
      {{newTree}}
    </pre>
  </div>
</template>

<script>
  import { VueTreeList, Tree, TreeNode } from 'vue-tree-list'
  export default {
    components: {
      VueTreeList
    },
    data () {
      return {
        newTree: {},
        data: new Tree([
          {
            name: 'Node 1',
            id: 1,
            pid: 0,
            dragDisabled: true,
            addTreeNodeDisabled: true,
            addLeafNodeDisabled: true,
            editNodeDisabled: true,
            delNodeDisabled: true,
            children: [
              {
                name: 'Node 1-2',
                id: 2,
                isLeaf: true,
                pid: 1
              }
            ]
          },
          {
            name: 'Node 2',
            id: 3,
            pid: 0,
            disabled: true
          },
          {
            name: 'Node 3',
            id: 4,
            pid: 0
          }
        ])
      }
    },
    methods: {
      onDel (node) {
        console.log(node)
        node.remove()
      },

      onChangeName (params) {
        console.log(params)
      },

      onAddNode (params) {
        console.log(params)
      },

      onClick (params) {
        console.log(params)
      },

      addNode () {
        var node = new TreeNode({ name: 'new node', isLeaf: false })
        if (!this.data.children) this.data.children = []
        this.data.addChildren(node)
      },

      getNewTree () {
        var vm = this
        function _dfs (oldNode) {
          var newNode = {}

          for (var k in oldNode) {
            if (k !== 'children' && k !== 'parent') {
              newNode[k] = oldNode[k]
            }
          }

          if (oldNode.children && oldNode.children.length > 0) {
            newNode.children = []
            for (var i = 0, len = oldNode.children.length; i < len; i++) {
              newNode.children.push(_dfs(oldNode.children[i]))
            }
          }
          return newNode
        }

        vm.newTree = _dfs(vm.data)
      },
      
    }
  }
</script>

<style lang="less" rel="stylesheet/less">
  .vtl {
    .vtl-drag-disabled {
      background-color: #d0cfcf;
      &:hover {
        background-color: #d0cfcf;
      }
    }
    .vtl-disabled {
      background-color: #d0cfcf;
    }
  }
</style>

<style lang="less" rel="stylesheet/less" scoped>
  .icon {
    &:hover {
      cursor: pointer;
    }
  }
</style>

props

props of vue-tree-list

| name | type | default | description | |:-----:|:-------:|:------------:|:----:| model | TreeNode | - | You can use const head = new Tree([]) to generate a tree with the head of TreeNode type default-tree-node-name | string | New node node | Default name for new treenode default-leaf-node-name | string | New leaf node | Default name for new leafnode default-expanded | boolean | true | Tree is expanded or not

props of TreeNode

attributes

| name | type | default | description | |:-----:|:-------:|:------------:|:----:| id | string, number | current timestamp | The node's id isLeaf | boolean | false | The node is leaf or not dragDisabled | boolean | false | Forbid dragging tree node addTreeNodeDisabled | boolean | false | Show addTreeNode button or not addLeafNodeDisabled | boolean | false | Show addLeafNode button or not editNodeDisabled | boolean | false | Show editNode button or not delNodeDisabled | boolean | false | Show delNode button or not children | array | null | The children of node

methods

| name | params | description | |:-----:|:-------:|:----:| changeName | name | Change node's name addChildren | children: object, array | Add children to node remove | - | Remove node from the tree moveInto | target: TreeNode | Move node into another node insertBefore | target: TreeNode | Move node before another node insertAfter | target: TreeNode | Move node after another node

events

| name | params | description | |:-----:|:-------:|:----:| click | TreeNode | Trigger when clicking a tree node change-name | {'id', 'oldName', 'newName'} | Trigger after changing a node's name delete-node | TreeNode | Trigger when clicking delNode button. You can call remove of TreeNode to remove the node. add-node | TreeNode | Trigger after adding a new node drop | {node, src, target} | Trigger after dropping a node into another. node: the draggable node, src: the draggable node's parent, target: the node that draggable node will drop into drop-before | {node, src, target} | Trigger after dropping a node before another. node: the draggable node, src: the draggable node's parent, target: the node that draggable node will drop before drop-after | {node, src, target} | Trigger after dropping a node after another. node: the draggable node, src: the draggable node's parent, target: the node that draggable node will drop after

customize operation icons

The component has default icons for addTreeNode, addLeafNode, editNode, delNode button, but you can also customize them:

<span class="icon" slot="addTreeNode">addTreeNode</span>
<span class="icon" slot="addLeafNode">addLeafNode</span>
<span class="icon" slot="editNode">editNode</span>
<span class="icon" slot="delNode">delNode</span>