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App.vue
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App.vue
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<template>
<div id="app" style="padding-bottom: 300px;">
<img src="./assets/logo.png">
<h1>{{ msg }}</h1>
<h2>Tree View</h2>
<div>
<div style="width:840px; margin: 0 auto;">
<div style="width:49%; display:inline-block; vertical-align: top;">
<p style="text-align:left">Search Text <input type="text" @keyup="inputKeyUp" v-model="searchText" /></p>
<br>
<v-jstree :data="data"
:item-events="itemEvents"
show-checkbox
multiple
allow-batch
whole-row
draggable
@item-click="itemClick"
@item-drag-start="itemDragStart"
@item-drag-end="itemDragEnd"
@item-drop-before = "itemDropBefore"
@item-drop="itemDrop"
ref="tree"></v-jstree>
<br>
<span style="float: left; background-color: red; color: #fff; padding: 6px" draggable="true">
drag me to add new child !
</span>
</div>
<div style="width:50%; display:inline-block;">
<textarea style="height:300px; width:100%;">
{{data}}
</textarea>
</div>
</div>
</div>
<h2>Edit Tree Item</h2>
<p>click the node for edit</p>
<div>
<div style="width:840px; height:300px; margin: 0 auto;">
<table>
<tr>
<td>
text
</td>
<td>
<input v-model="editingItem.text" />
</td>
</tr>
<tr>
<td>
value
</td>
<td>
<input v-model="editingItem.value" />
</td>
</tr>
<tr>
<td>
icon
</td>
<td>
<input v-model="editingItem.icon" />
</td>
</tr>
<tr>
<td>
opened
</td>
<td>
<input type="checkbox" v-model="editingItem.opened"/>
</td>
</tr>
<tr>
<td>
selected
</td>
<td>
<input type="checkbox" v-model="editingItem.selected" />
</td>
</tr>
<tr>
<td>
disabled
</td>
<td>
<input type="checkbox" v-model="editingItem.disabled" />
</td>
</tr>
<tr>
<td colspan="2">
<button @click="addChildNode">add child node</button>
<button @click="removeNode">remove this node</button>
<button @click="addBeforeNode">add child before node</button>
<button @click="addAfterNode">add child after node</button>
<button @click="openChildren">open child node</button>
<button @click="closeChildren">close child node</button>
</td>
</tr>
</table>
</div>
</div>
<h2>Async Loading</h2>
<div>
<div style="width:840px; margin: 0 auto;">
<div style="width:49%; display:inline-block; vertical-align: top;">
<v-jstree :data="asyncData" :async="loadData" show-checkbox multiple allow-batch whole-row @item-click="itemClick" ref="tree2"></v-jstree>
</div>
<div style="width:50%; display:inline-block; vertical-align: top;">
<textarea style="height:300px; width:100%;">
{{asyncData}}
</textarea>
</div>
</div>
</div>
<h2>Async Operation</h2>
<div>
<div style="width:840px; margin: 0 auto; height: 300px;">
<button @click="refreshNode" >
refreshAsyncNode
</button>
</div>
</div>
<h2>Custom Tree Item</h2>
<div>
<div style="width:840px; margin: 0 auto;">
<div style="width:49%; display:inline-block; vertical-align: top;">
<v-jstree :data="data"
:item-events="itemEvents"
show-checkbox
multiple
allow-batch
whole-row
draggable
@item-click="itemClick"
@item-drag-start="itemDragStart"
@item-drag-end="itemDragEnd"
@item-drop-before = "itemDropBefore"
@item-drop="itemDrop">
<template slot-scope="_">
<div style="display: inherit; width: 200px" @click.ctrl="customItemClickWithCtrl">
<i :class="_.vm.themeIconClasses" role="presentation" v-if="!_.model.loading"></i>
{{_.model.text}}
<button style="border: 0px; background-color: transparent; cursor: pointer;" @click="customItemClick(_.vm, _.model, $event)"><i class="fa fa-remove"></i></button>
</div>
</template>
</v-jstree>
</div>
<div style="width:50%; display:inline-block;">
<textarea style="height:300px; width:100%;">
{{data}}
</textarea>
</div>
</div>
</div>
<h3>Performace Test</h3>
<div>
<div style="width:840px; margin: 0 auto;">
<div style="width:49%; display:inline-block; vertical-align: top;">
<p style="text-align:left">
<button @click="fillData">Add files to folder</button>
<input type="text" v-model="filesToAdd"/>
</p>
<v-jstree :data="data3"
show-checkbox
multiple
allow-batch
:allow-transition="false"
whole-row
@item-click="itemClick"
ref="tree3"></v-jstree>
</div>
<div style="width:50%; display:inline-block;">
<textarea style="height:300px; width:100%;">
{{data3}}
</textarea>
</div>
</div>
</div>
</div>
</template>
<script>
export default {
name: 'app',
data () {
return {
msg: 'A Tree Plugin For Vue2',
searchText: '',
editingItem: {},
editingNode: null,
itemEvents: {
mouseover: function () {
console.log('mouseover')
},
contextmenu: function () {
console.log(arguments[2])
arguments[2].preventDefault()
console.log('contextmenu')
}
},
data: [
{
"text": "Same but with checkboxes",
"children": [
{
"text": "initially selected",
"selected": true
},
{
"text": "custom icon",
"icon": "fa fa-warning icon-state-danger"
},
{
"text": "initially open",
"icon": "fa fa-folder icon-state-default",
"opened": true,
"children": [
{
"text": "Another node"
}
]
},
{
"text": "custom icon",
"icon": "fa fa-warning icon-state-warning"
},
{
"text": "disabled node",
"icon": "fa fa-check icon-state-success",
"disabled": true
}
]
},
{
"text": "Same but with checkboxes",
"opened": true,
"children": [
{
"text": "initially selected",
"selected": true
},
{
"text": "custom icon",
"icon": "fa fa-warning icon-state-danger"
},
{
"text": "initially open",
"icon": "fa fa-folder icon-state-default",
"opened": true,
"children": [
{
"text": "Another node"
}
]
},
{
"text": "custom icon",
"icon": "fa fa-warning icon-state-warning"
},
{
"text": "disabled node",
"icon": "fa fa-check icon-state-success",
"disabled": true
}
]
},
{
"text": "And wholerow selection"
},
{
"text": "drag disabled",
"icon": "fa fa-warning icon-state-danger",
"dragDisabled": true
},
{
"text": "drop disabled",
"icon": "fa fa-warning icon-state-danger",
"dropDisabled": true
}
],
data2: [
{
"text2": "Same but with checkboxes",
"children2": [
{
"text2": "initially selected",
"selected": true
},
{
"text2": "custom icon",
"icon": "fa fa-warning icon-state-danger"
},
{
"text2": "initially open",
"icon": "fa fa-folder icon-state-default",
"opened": true,
"children2": [
{
"text2": "Another node"
}
]
},
{
"text2": "custom icon",
"icon": "fa fa-warning icon-state-warning"
},
{
"text2": "disabled node",
"icon": "fa fa-check icon-state-success",
"disabled": true
}
]
},
{
"text2": "Same but with checkboxes",
"opened": true,
"children2": [
{
"text2": "initially selected",
"selected": true
},
{
"text2": "custom icon",
"icon": "fa fa-warning icon-state-danger"
},
{
"text2": "initially open",
"icon": "fa fa-folder icon-state-default",
"opened": true,
"children2": [
{
"text2": "Another node"
}
]
},
{
"text2": "custom icon",
"icon": "fa fa-warning icon-state-warning"
},
{
"text2": "disabled node",
"icon": "fa fa-check icon-state-success",
"disabled": true
}
]
},
{
"text2": "And wholerow selection"
}
],
asyncData: [],
loadData: function (oriNode, resolve) {
var id = oriNode.data.id ? oriNode.data.id : 0
setTimeout(() => {
let data = []
if (id > 200) {
data = []
}
else {
data = [
{
"text": "New Item 1..." + id, "isLeaf": id > 100
},
{
"text": "New Item 2..." + id, "isLeaf": id > 100
}
]
}
resolve(data)
}, 500)
},
data3: [
{"text": "root"}
],
filesToAdd: 1,
filesToAddIndex: 0
}
},
methods: {
itemClick (node) {
this.editingNode = node
this.editingItem = node.model
console.log(node.model.text + ' clicked !')
},
itemDragStart (node) {
console.log(node.model.text + ' drag start !')
},
itemDragEnd (node) {
console.log(node.model.text + ' drag end !')
},
itemDropBefore (node, item, draggedItem , e) {
if (!draggedItem) {
item.addChild({
text: "newNode",
value: "newNode"
})
}
},
itemDrop (node, item) {
var sortBy = function(attr,rev) {
if (rev == undefined) {
rev = 1;
} else {
rev = (rev) ? 1 : -1;
}
return function (a, b) {
a = a[attr];
b = b[attr];
if (a < b) {
return rev * -1;
}
if (a > b) {
return rev * 1;
}
return 0;
}
}
item.children.sort(sortBy('text', true))
console.log(node.model.text + ' drop !')
},
inputKeyUp: function () {
var text = this.searchText
const patt = new RegExp(text);
this.$refs.tree.handleRecursionNodeChilds(this.$refs.tree, function (node) {
if (text !== '' && node.model !== undefined) {
const str = node.model.text
if (patt.test(str)) {
node.$el.querySelector('.tree-anchor').style.color = 'red'
} else {
node.$el.querySelector('.tree-anchor').style.color = '#000'
} // or other operations
} else {
node.$el.querySelector('.tree-anchor').style.color = '#000'
}
})
},
addChildNode: function () {
if (this.editingItem.id !== undefined) {
this.editingItem.addChild({
text: "newNode"
})
}
},
removeNode: function () {
if (this.editingItem.id !== undefined) {
var index = this.editingNode.parentItem.indexOf(this.editingItem)
this.editingNode.parentItem.splice(index, 1)
}
},
addBeforeNode: function () {
if (this.editingItem.id !== undefined) {
this.editingItem.addBefore({
text: this.editingItem.text + " before"
}, this.editingNode)
}
},
addAfterNode: function () {
if (this.editingItem.id !== undefined) {
this.editingItem.addAfter({
text: this.editingItem.text + " after"
}, this.editingNode)
}
},
openChildren: function () {
if (this.editingItem.id !== undefined) {
this.editingItem.openChildren()
}
},
closeChildren: function () {
if (this.editingItem.id !== undefined) {
this.editingItem.closeChildren()
}
},
refreshNode: function () {
this.asyncData = [
this.$refs.tree2.initializeLoading()
]
this.$refs.tree2.handleAsyncLoad(this.asyncData, this.$refs.tree2)
},
customItemClick: function (node ,item, e) {
e.stopPropagation()
var index = node.parentItem.indexOf(item)
node.parentItem.splice(index, 1)
},
customItemClickWithCtrl: function () {
console.log('click + ctrl')
},
fillData: function () {
if (this.editingItem.id !== undefined) {
for (var i = 0; i < this.filesToAdd; i++) {
this.filesToAddIndex++
this.editingItem.addChild({
text: "File" + this.filesToAddIndex,
icon: "fa fa-file icon-state-danger"
})
}
}
}
}
}
</script>
<style>
#app {
font-family: 'Avenir', Helvetica, Arial, sans-serif;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
text-align: center;
color: #2c3e50;
margin-top: 60px;
}
h1, h2 {
font-weight: normal;
}
ul {
list-style-type: none;
padding: 0;
}
li {
display: inline-block;
margin: 0 10px;
}
a {
color: #42b983;
}
div{
display: block;
}
table {
width: 100%;
border-collapse: collapse;
border: 1px solid #EEE;
font-size: 14px;
}
table th {
background: #EEE;
border-bottom: 1px solid #CCC;
padding: 4px;
}
table td {
border: 1px solid #EEE;
padding: 4px;
}
.icon-state-default {
color: gray;
}
.icon-state-danger {
color: red;
}
.icon-state-warning {
color: yellow;
}
.icon-state-success {
color: green;
}
</style>