1.4.1

Add unit test

.babelrc

@@ -1,10 +0,0 @@
-{
-  "presets": ["es2015", "stage-2"],
-  "plugins": ["transform-runtime"],
-  "comments": false,
-  "env": {
-    "test": {
-      "plugins": [ "istanbul" ]
-    }
-  }
-}

.gitignore

@@ -1,5 +1,21 @@
+.DS_Store
 node_modules
-npm-debug.log
+/dist
+
+# local env files
+.env.local
+.env.*.local
+
+# Log files
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Editor directories and files
 .idea
-coverage
-package-lock.json
+.vscode
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?

babel.config.js

@@ -0,0 +1,5 @@
+module.exports = {
+  presets: [
+    '@vue/cli-plugin-babel/preset'
+  ]
+}

build/webpack.base.conf.js

@@ -1,38 +0,0 @@
-var path = require('path')
-
-var projectRoot = path.resolve(__dirname, '../')
-
-module.exports = {
-  module: {
-    loaders: [
-      {
-        test: /\.vue$/,
-        loader: 'vue'
-      },
-      {
-        test: /\.js$/,
-        loader: 'babel',
-        include: [path.join(projectRoot, 'src'), path.join(projectRoot, 'dev')],
-        exclude: /node_modules/
-      },
-      {
-        test: /\.(woff2?|eot|ttf|otf|svg)(\?.*)?$/,
-        loader: 'url-loader',
-        query: {
-          limit: 10000,
-          name: 'fonts/[name].[hash:7].[ext]'
-        }
-      }
-    ]
-  },
-  vue: {
-    loaders: {
-      less: 'vue-style!css!less'
-    },
-    postcss: [
-      require('autoprefixer')({
-        browsers: ['iOS >= 7', 'Android >= 4.1']
-      })
-    ]
-  }
-}

build/webpack.build.conf.js

@@ -1,23 +0,0 @@
-var webpack = require('webpack')
-var merge = require('webpack-merge')
-var baseConfig = require('./webpack.base.conf')
-var path = require('path')
-
-var projectRoot = path.resolve(__dirname, '../')
-
-module.exports = merge(baseConfig, {
-  entry: './src/index.js',
-  output: {
-    path: path.resolve(projectRoot, 'dist'),
-    filename: 'vue-tree-list.min.js',
-    library: 'VueTreeList',
-    libraryTarget: 'umd'
-  },
-  plugins: [
-    new webpack.optimize.UglifyJsPlugin({
-      compress: {
-        warnings: false
-      }
-    })
-  ]
-})

build/webpack.dev.conf.js

@@ -1,25 +0,0 @@
-var webpack = require('webpack')
-var merge = require('webpack-merge')
-var HtmlWebpackPlugin = require('html-webpack-plugin')
-var baseConfig = require('./webpack.base.conf')
-
-module.exports = merge(baseConfig, {
-  entry: './dev/index.js',
-  devServer: {
-    historyApiFallback: true,
-    noInfo: true,
-    overlay: true,
-    open: true,
-    hot: true,
-    inline: true
-  },
-  devtool: '#eval-source-map',
-  plugins: [
-    new HtmlWebpackPlugin({
-      template: './dev/index.html',
-      filename: 'index.html',
-      inject: true
-    }),
-    new webpack.HotModuleReplacementPlugin()
-  ]
-})

dev/App.vue

@@ -3,17 +3,22 @@
         <button @click="addNode">Add Node</button>
         <vue-tree-list
           @click="onClick"
-          @change-name="onChange"
+          @change-name="onChangeName"
           @delete-node="onDel"
-          @add-node="onChange"
+          @add-node="onAddNode"
+          @drop="drop"
+          @drop-before="dropBefore"
+          @drop-after="dropAfter"
           :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>
+          <span class="icon" slot="addTreeNodeIcon">📂</span>
+          <span class="icon" slot="addLeafNodeIcon">＋</span>
+          <span class="icon" slot="editNodeIcon">📃</span>
+          <span class="icon" slot="delNodeIcon">✂️</span>
+          <span class="icon" slot="leafNodeIcon">🍃</span>
+          <span class="icon" slot="treeNodeIcon">🌲</span>
         </vue-tree-list>
         <button @click="getNewTree">Get new tree</button>
         <pre>
@@ -36,6 +41,10 @@
             id: 1,
             pid: 0,
             dragDisabled: true,
+            addTreeNodeDisabled: true,
+            addLeafNodeDisabled: true,
+            editNodeDisabled: true,
+            delNodeDisabled: true,
             children: [
               {
                 name: 'Node 1-2',
@@ -61,11 +70,32 @@
     },
     methods: {
       onDel (node) {
+        console.log(node)
         node.remove()
       },
 
-      onChange (data) {
-        console.log(data)
+      onChangeName (params) {
+        console.log(params)
+      },
+
+      onAddNode (params) {
+        console.log(params)
+      },
+
+      onClick (params) {
+        console.log(params)
+      },
+
+      drop: function ({node, src, target}) {
+        console.log('drop', node, src, target)
+      },
+
+      dropBefore: function ({node, src, target}) {
+        console.log('drop-before', node, src, target)
+      },
+
+      dropAfter: function ({node, src, target}) {
+        console.log('drop-after', node, src, target)
       },
 
       addNode () {
@@ -95,10 +125,6 @@
         }
 
         vm.newTree = _dfs(vm.data)
-      },
-
-      onClick(model) {
-        console.log(model)
       }
     }
   }

dev/index.html

@@ -1,11 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-<head>
-    <meta name="viewport" content="with=device-width,initial-scale=1.0,
-      maximum-scale=1.0,minimum-scale=1.0,uses-scalable=no">
-    <title>vue-date-range</title>
-</head>
-<body>
-<div id="app"></div>
-</body>
-</html>

jest.config.js

@@ -0,0 +1,4 @@
+module.exports = {
+  preset: "@vue/cli-plugin-unit-jest",
+  snapshotSerializers: ["jest-serializer-vue"]
+};

package.json

@@ -1,68 +1,77 @@
 {
   "name": "vue-tree-list",
-  "version": "1.2.0",
+  "version": "1.4.1",
   "description": "A vue component for tree structure. Support adding treenode/leafnode, editing node's name and dragging.",
-  "main": "dist/vue-tree-list.min.js",
-  "scripts": {
-    "commit": "npx git-cz",
-    "standard": "standard",
-    "test": "karma start --single-run",
-    "unit": "karma start --watch",
-    "coveralls": "npm run test -- --report lcovonly && cat ./coverage/lcov.info | coveralls",
-    "build": "webpack --config build/webpack.build.conf.js",
-    "dev": "webpack-dev-server --config build/webpack.dev.conf.js",
-    "prepublishOnly": "npm run build"
-  },
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/ParadeTo/vue-tree-list.git"
-  },
-  "keywords": [
-    "vue",
-    "tree"
-  ],
   "author": "ayou",
-  "license": "ISC",
+  "scripts": {
+    "serve": "vue-cli-service serve dev",
+    "build": "vue-cli-service build --target lib src/index.js",
+    "test:unit": "vue-cli-service test:unit",
+    "lint": "vue-cli-service lint",
+    "commit": "npx git-cz",
+    "prepublish": "npm run build"
+  },
+  "main": "dist/vue-tree-list.umd.min.js",
+  "dependencies": {
+    "core-js": "^3.4.3",
+    "vue": "^2.6.10"
+  },
+  "devDependencies": {
+    "@vue/cli-plugin-babel": "^4.1.0",
+    "@vue/cli-plugin-eslint": "^4.1.0",
+    "@vue/cli-plugin-unit-jest": "^4.1.1",
+    "@vue/cli-service": "^4.1.0",
+    "@vue/test-utils": "1.0.0-beta.29",
+    "babel-eslint": "^10.0.3",
+    "eslint": "^5.16.0",
+    "eslint-plugin-vue": "^5.0.0",
+    "jest-serializer-vue": "^2.0.2",
+    "less": "^3.10.3",
+    "less-loader": "^5.0.0",
+    "vue-template-compiler": "^2.6.10"
+  },
+  "eslintConfig": {
+    "root": true,
+    "env": {
+      "node": true
+    },
+    "extends": [
+      "plugin:vue/essential",
+      "eslint:recommended"
+    ],
+    "rules": {
+      "no-console": "warn"
+    },
+    "parserOptions": {
+      "parser": "babel-eslint"
+    },
+    "overrides": [
+      {
+        "files": [
+          "**/__tests__/*.{j,t}s?(x)",
+          "**/tests/unit/**/*.spec.{j,t}s?(x)"
+        ],
+        "env": {
+          "jest": true
+        }
+      }
+    ]
+  },
+  "browserslist": [
+    "> 1%",
+    "last 2 versions"
+  ],
   "bugs": {
     "url": "https://github.com/ParadeTo/vue-tree-list/issues"
   },
   "homepage": "https://github.com/ParadeTo/vue-tree-list#readme",
-  "devDependencies": {
-    "@commitlint/cli": "^7.2.1",
-    "@commitlint/config-conventional": "^7.1.2",
-    "autoprefixer": "^6.4.0",
-    "babel-core": "^6.0.0",
-    "babel-eslint": "^7.0.0",
-    "babel-loader": "^6.0.0",
-    "babel-plugin-istanbul": "^3.0.0",
-    "babel-plugin-transform-runtime": "^6.0.0",
-    "babel-preset-es2015": "^6.0.0",
-    "babel-preset-stage-2": "^6.0.0",
-    "babel-register": "^6.0.0",
-    "chai": "^3.5.0",
-    "cross-env": "^5.0.1",
-    "css-loader": "^0.26.2",
-    "file-loader": "^0.10.1",
-    "html-webpack-plugin": "^2.8.1",
-    "husky": "^1.2.0",
-    "isparta": "^4.0.0",
-    "isparta-loader": "^2.0.0",
-    "less": "^2.7.2",
-    "less-loader": "^2.2.3",
-    "sinon": "^2.3.5",
-    "sinon-chai": "^2.11.0",
-    "sourcemap": "^0.1.0",
-    "standard": "^12.0.1",
-    "url-loader": "^0.5.7",
-    "vue": "^2.6.6",
-    "vue-loader": "^11.1.3",
-    "vue-style-loader": "^2.0.3",
-    "vue-template-compiler": "^2.6.6",
-    "webpack": "^1.13.2",
-    "webpack-dev-server": "1.14.0",
-    "webpack-merge": "^0.14.1"
-  },
-  "dependencies": {
-    "cz-conventional-changelog": "^2.1.0"
+  "keywords": [
+    "vue",
+    "tree"
+  ],
+  "license": "ISC",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/ParadeTo/vue-tree-list.git"
   }
 }

public/index.html

@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width,initial-scale=1.0">
+    <link rel="icon" href="<%= BASE_URL %>favicon.ico">
+    <title>vue-tree-list</title>
+  </head>
+  <body>
+    <noscript>
+      <strong>We're sorry but vue-tree-list doesn't work properly without JavaScript enabled. Please enable it to continue.</strong>
+    </noscript>
+    <div id="app"></div>
+    <!-- built files will be auto injected -->
+  </body>
+</html>

readme.md

@@ -8,143 +8,202 @@ A vue component for tree structure. Support adding treenode/leafnode, editing no
 # use
 ``npm install vue-tree-list``
 
-```javascript
-<div>
+```html
+<template>
+  <div>
     <button @click="addNode">Add Node</button>
     <vue-tree-list
       @click="onClick"
-      @change-name="onChange"
-      @delete-node="onChange"
-      @add-node="onChange"
+      @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="addTreeNodeIcon">📂</span>
+      <span class="icon" slot="addLeafNodeIcon">＋</span>
+      <span class="icon" slot="editNodeIcon">📃</span>
+      <span class="icon" slot="delNodeIcon">✂️</span>
+      <span class="icon" slot="leafNodeIcon">🍃</span>
+      <span class="icon" slot="treeNodeIcon">🌲</span>
     </vue-tree-list>
     <button @click="getNewTree">Get new tree</button>
     <pre>
       {{newTree}}
     </pre>
-</div>
-...
-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,
-          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: {
-    onChange (data) {
-      console.log(data)
+  </div>
+</template>
+
+<script>
+  import { VueTreeList, Tree, TreeNode } from 'vue-tree-list'
+  export default {
+    components: {
+      VueTreeList
     },
-
-    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]
+    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
           }
-        }
-
-        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)
     },
+    methods: {
+      onDel (node) {
+        console.log(node)
+        node.remove()
+      },
 
-    onClick(model) {
-      console.log(model)
+      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
-**default-tree-node-name**
+## 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
 
-Default name for new treenode.
 
-**default-leaf-node-name**
-
-Default name for new leafnode.
-
-**default-expanded**
-
-Default node 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
-**click**
+| 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
 
-**change-name**
+# customize operation icons
+The component has default icons for `addTreeNodeIcon`, `addLeafNodeIcon`, `editNodeIcon`, `delNodeIcon`, `leafNodeIcon`, `treeNodeIcon` button, but you can also customize them:
 
-**delete-node**
-
-```javascript
-@delete-node="onDel"
-...
-onDel (node) {
-  node.remove()
-},
+```html
+      <span class="icon" slot="addTreeNodeIcon">📂</span>
+      <span class="icon" slot="addLeafNodeIcon">＋</span>
+      <span class="icon" slot="editNodeIcon">📃</span>
+      <span class="icon" slot="delNodeIcon">✂️</span>
+      <span class="icon" slot="leafNodeIcon">🍃</span>
+      <span class="icon" slot="treeNodeIcon">🌲</span>
 ```
-
-**add-node**
-
-# Forbid dragging
-Use `dragDisabled` to forbid dragging:
-```javascript
-data: new Tree([
-  {
-    name: 'Node 1',
-    id: 1,
-    pid: 0,
-    dragDisabled: true,
-  ...
-```
-

src/VueTreeList.vue

@@ -2,7 +2,7 @@
   <div class='vtl'>
     <div v-if="model.name !== 'root'">
       <div class="vtl-border vtl-up" :class="{'vtl-active': isDragEnterUp}"
-        @drop="dropUp"
+        @drop="dropBefore"
         @dragenter="dragEnterUp"
         @dragover='dragOverUp'
         @dragleave="dragLeaveUp"></div>
@@ -37,23 +37,23 @@
         </div>
         <input v-else class="vtl-input" type="text" ref="nodeInput" :value="model.name" @input="updateName" @blur="setUnEditable">
         <div class="vtl-operation" v-show="isHover">
-          <span title="add tree node" @click.stop.prevent="addChild(false)" v-if="!model.isLeaf">
-            <slot name="addTreeNode">
+          <span title="add tree node" @click.stop.prevent="addChild(false)" v-if="!model.isLeaf && !model.addTreeNodeDisabled">
+            <slot name="addTreeNodeIcon">
               <i class="vtl-icon vtl-icon-folder-plus-e"></i>
             </slot>
           </span>
-          <span title="add leaf node" @click.stop.prevent="addChild(true)" v-if="!model.isLeaf">
-            <slot name="addLeafNode">
+          <span title="add leaf node" @click.stop.prevent="addChild(true)" v-if="!model.isLeaf && !model.addLeafNodeDisabled">
+            <slot name="addLeafNodeIcon">
               <i class="vtl-icon vtl-icon-plus"></i>
             </slot>
           </span>
-          <span title="edit" @click.stop.prevent="setEditable">
-            <slot name="editNode">
+          <span title="edit" @click.stop.prevent="setEditable" v-if="!model.editNodeDisabled">
+            <slot name="editNodeIcon">
               <i class="vtl-icon vtl-icon-edit"></i>
             </slot>
           </span>
-          <span title="delete" @click.stop.prevent="delNode">
-            <slot name="delNode">
+          <span title="delete" @click.stop.prevent="delNode" v-if="!model.delNodeDisabled">
+            <slot name="delNodeIcon">
               <i class="vtl-icon vtl-icon-trash"></i>
             </slot>
           </span>
@@ -63,7 +63,7 @@
       <div v-if="model.children && model.children.length > 0 && expanded"
         class="vtl-border vtl-bottom"
         :class="{'vtl-active': isDragEnterBottom}"
-        @drop="dropBottom"
+        @drop="dropAfter"
         @dragenter="dragEnterBottom"
         @dragover='dragOverBottom'
         @dragleave="dragLeaveBottom"></div>
@@ -76,20 +76,22 @@
         v-bind:default-expanded="defaultExpanded"
         :model="model"
         :key='model.id'>
-          <slot name="addTreeNode" slot="addTreeNode" />
-          <slot name="addLeafNode" slot="addLeafNode" />
-          <slot name="editNode" slot="editNode" />
-          <slot name="delNode" slot="delNode" />
+          <slot name="addTreeNodeIcon" slot="addTreeNodeIcon" />
+          <slot name="addLeafNodeIcon" slot="addLeafNodeIcon" />
+          <slot name="editNodeIcon" slot="editNodeIcon" />
+          <slot name="delNodeIcon" slot="delNodeIcon" />
+          <slot name="leafNodeIcon" slot="leafNodeIcon" />
+          <slot name="treeNodeIcon" slot="treeNodeIcon" />
       </item>
     </div>
   </div>
 </template>
 
 <script>
-  import { Tree, TreeNode } from './Tree.js'
+  import { TreeNode } from './Tree.js'
   import { addHandler, removeHandler } from './tools.js'
 
-  let fromComp = null
+  let compInOperation = null
 
   export default {
     data: function () {
@@ -150,6 +152,9 @@
         }
       }
     },
+    beforeCreate () {
+      this.$options.components.item = require('./VueTreeList').default
+    },
     mounted () {
       const vm = this
       addHandler(window, 'keyup', function (e) {
@@ -178,8 +183,9 @@
       setEditable () {
         this.editable = true
         this.$nextTick(() => {
-          this.$refs.nodeInput.focus()
-//          fireFocusEvent(this.$refs.nodeInput)
+          const $input = this.$refs.nodeInput
+          $input.focus()
+          $input.setSelectionRange(0, $input.value.length)
         })
       },
 
@@ -193,12 +199,12 @@
         }
       },
 
-      mouseOver(e) {
+      mouseOver() {
         if (this.model.disabled) return
         this.isHover = true
       },
 
-      mouseOut(e) {
+      mouseOut() {
         this.isHover = false
       },
 
@@ -218,7 +224,7 @@
 
       dragStart(e) {
         if (!(this.model.dragDisabled || this.model.disabled)) {
-          fromComp = this
+          compInOperation = this
           // for firefox
           e.dataTransfer.setData("data","data");
           e.dataTransfer.effectAllowed = 'move'
@@ -226,29 +232,32 @@
         }
         return false
       },
-      dragEnd(e) {
-        fromComp = null
+      dragEnd() {
+        compInOperation = null
       },
       dragOver(e) {
         e.preventDefault()
         return true
       },
-      dragEnter(e) {
-        if (!fromComp) return
+      dragEnter() {
+        if (!compInOperation) return
         if (this.model.isLeaf) return
         this.isDragEnterNode = true
       },
-      dragLeave(e) {
+      dragLeave() {
         this.isDragEnterNode = false
       },
-      drop(e) {
-        if (!fromComp) return
-        fromComp.model.moveInto(this.model)
+      drop() {
+        if (!compInOperation) return
+        const oldParent = compInOperation.model.parent;
+        compInOperation.model.moveInto(this.model)
         this.isDragEnterNode = false
+        var node = this.getRootNode();
+        node.$emit('drop', {target: this.model, node: compInOperation.model, src: oldParent})
       },
 
       dragEnterUp () {
-        if (!fromComp) return
+        if (!compInOperation) return
         this.isDragEnterUp = true
       },
       dragOverUp (e) {
@@ -256,17 +265,20 @@
         return true
       },
       dragLeaveUp () {
-        if (!fromComp) return
+        if (!compInOperation) return
         this.isDragEnterUp = false
       },
-      dropUp () {
-        if (!fromComp) return
-        fromComp.model.insertBefore(this.model)
+      dropBefore () {
+        if (!compInOperation) return
+        const oldParent = compInOperation.model.parent;
+        compInOperation.model.insertBefore(this.model)
         this.isDragEnterUp = false
+        var node = this.getRootNode();
+        node.$emit('drop-before', {target: this.model, node: compInOperation.model, src: oldParent})
       },
 
       dragEnterBottom () {
-        if (!fromComp) return
+        if (!compInOperation) return
         this.isDragEnterBottom = true
       },
       dragOverBottom (e) {
@@ -274,13 +286,16 @@
         return true
       },
       dragLeaveBottom () {
-        if (!fromComp) return
+        if (!compInOperation) return
         this.isDragEnterBottom = false
       },
-      dropBottom () {
-        if (!fromComp) return
-        fromComp.model.insertAfter(this.model)
+      dropAfter () {
+        if (!compInOperation) return
+        const oldParent = compInOperation.model.parent;
+        compInOperation.model.insertAfter(this.model)
         this.isDragEnterBottom = false
+        var node = this.getRootNode();
+        node.$emit('drop-after', {target: this.model, node: compInOperation.model, src: oldParent})
       },
       getRootNode() {
         var node = this.$parent
@@ -289,9 +304,6 @@
         }
         return node;
       }
-    },
-    beforeCreate () {
-      this.$options.components.item = require('./VueTreeList.vue')
     }
   }
 </script>

src/index.js

@@ -1,7 +1,8 @@
 /**
  * Created by ayou on 17/7/21.
  */
-exports.VueTreeList = require('./VueTreeList.vue')
-exports.TreeNode = require('./Tree.js').TreeNode
-exports.Tree = require('./Tree.js').Tree
-// exports.Record = require('./Tree.js').Record
+
+import VueTreeList from "./VueTreeList";
+import { Tree, TreeNode } from "./Tree";
+
+export { Tree, TreeNode, VueTreeList };

tests/unit/__snapshots__/example.spec.js.snap

@@ -0,0 +1,72 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`VueTreeList renders correctly 1`] = `
+<div class="vtl">
+  <!---->
+  <div class="">
+    <div class="vtl">
+      <div>
+        <div class="vtl-border vtl-up"></div>
+        <div id="1" draggable="false" class="vtl-tree-node vtl-drag-disabled"><span class="vtl-caret vtl-is-small"><i class="vtl-icon vtl-icon-caret-right"></i></span> <span><i class="vtl-icon vtl-menu-icon vtl-icon-folder"></i></span>
+          <div class="vtl-node-content">
+            Node 1
+          </div>
+          <div class="vtl-operation" style="display: none;">
+            <!---->
+            <!---->
+            <!---->
+            <!---->
+          </div>
+        </div>
+        <!---->
+      </div>
+      <div class="vtl-tree-margin" style="display: none;">
+        <div class="vtl">
+          <div>
+            <div class="vtl-border vtl-up"></div>
+            <div id="2" draggable="true" class="vtl-tree-node">
+              <!----> <span><i class="vtl-icon vtl-menu-icon vtl-icon-file"></i></span>
+              <div class="vtl-node-content">
+                Node 1-2
+              </div>
+              <div class="vtl-operation" style="display: none;">
+                <!---->
+                <!----> <span title="edit"><i class="vtl-icon vtl-icon-edit"></i></span> <span title="delete"><i class="vtl-icon vtl-icon-trash"></i></span></div>
+            </div>
+            <!---->
+          </div>
+          <!---->
+        </div>
+      </div>
+    </div>
+    <div class="vtl">
+      <div>
+        <div class="vtl-border vtl-up"></div>
+        <div id="3" draggable="true" class="vtl-tree-node vtl-disabled">
+          <!----> <span><i class="vtl-icon vtl-menu-icon vtl-icon-folder"></i></span>
+          <div class="vtl-node-content">
+            Node 2
+          </div>
+          <div class="vtl-operation" style="display: none;"><span title="add tree node"><i class="vtl-icon vtl-icon-folder-plus-e"></i></span> <span title="add leaf node"><i class="vtl-icon vtl-icon-plus"></i></span> <span title="edit"><i class="vtl-icon vtl-icon-edit"></i></span> <span title="delete"><i class="vtl-icon vtl-icon-trash"></i></span></div>
+        </div>
+        <!---->
+      </div>
+      <!---->
+    </div>
+    <div class="vtl">
+      <div>
+        <div class="vtl-border vtl-up"></div>
+        <div id="4" draggable="true" class="vtl-tree-node">
+          <!----> <span><i class="vtl-icon vtl-menu-icon vtl-icon-folder"></i></span>
+          <div class="vtl-node-content">
+            Node 3
+          </div>
+          <div class="vtl-operation" style="display: none;"><span title="add tree node"><i class="vtl-icon vtl-icon-folder-plus-e"></i></span> <span title="add leaf node"><i class="vtl-icon vtl-icon-plus"></i></span> <span title="edit"><i class="vtl-icon vtl-icon-edit"></i></span> <span title="delete"><i class="vtl-icon vtl-icon-trash"></i></span></div>
+        </div>
+        <!---->
+      </div>
+      <!---->
+    </div>
+  </div>
+</div>
+`;

tests/unit/example.spec.js

@@ -0,0 +1,49 @@
+import { mount } from "@vue/test-utils";
+import { Tree, VueTreeList } from "@/index";
+
+describe("VueTreeList", () => {
+  it("renders correctly", () => {
+    const tree = 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
+      }
+    ]);
+
+    const wrapper = mount(VueTreeList, {
+      propsData: {
+        model: tree,
+        defaultTreeNodeName: "new node",
+        defaultLeafNodeName: "new leaf",
+        defaultExpanded: false
+      }
+    });
+
+    expect(wrapper).toMatchSnapshot();
+  });
+});