modify vue-tree to vue-tree-list

This commit is contained in:
ayou
2017-07-23 10:56:16 +08:00
parent 1c253ddec9
commit f71a5b3030
7 changed files with 26 additions and 26 deletions

354
src/VueTreeList.vue Normal file
View File

@@ -0,0 +1,354 @@
<template>
<div>
<div v-if="model.name !== 'root'">
<div class="border up" :class="{'active': isDragEnterUp}"
@drop="dropUp"
@dragenter="dragEnterUp"
@dragover='dragOverUp'
@dragleave="dragLeaveUp"></div>
<div class='tree-node' :id='model.id' :class="{'active': isDragEnterNode}"
draggable="true"
@click=""
@dragstart='dragStart'
@dragover='dragOver'
@dragenter='dragEnter'
@dragleave='dragLeave'
@drop='drop'
@dragend='dragEnd'
@mouseover='mouseOver'
@mouseout='mouseOut'>
<span class="caret icon is-small" v-if="model.children && model.children.length > 0">
<i class="vue-tree-icon" :class="caretClass" @click.prevent.stop="toggle"></i>
</span>
<span v-if="model.isLeaf">
<slot name="leafNodeIcon">
<i class="vue-tree-icon item-icon icon-file"></i>
</slot>
</span>
<span v-else>
<slot name="treeNodeIcon">
<i class="vue-tree-icon item-icon icon-folder"></i>
</slot>
</span>
<div class="node-content" v-if="!editable">
{{model.name}}
</div>
<input v-else class="vue-tree-input" type="text" ref="nodeInput" :value="model.name" @input="updateName" @blur="setUnEditable">
<div class="operation" v-show="isHover">
<span title="add tree node" @click.stop.prevent="addChild(false)" v-if="!model.isLeaf">
<slot name="addTreeNode">
<i class="vue-tree-icon icon-folder-plus-e"></i>
</slot>
</span>
<span title="add tree node" @click.stop.prevent="addChild(true)" v-if="!model.isLeaf">
<slot name="addLeafNode">
<i class="vue-tree-icon icon-plus"></i>
</slot>
</span>
<span title="edit" @click.stop.prevent="setEditable">
<slot name="edit">
<i class="vue-tree-icon icon-edit"></i>
</slot>
</span>
<span title="delete" @click.stop.prevent="delNode">
<slot name="edit">
<i class="vue-tree-icon icon-trash"></i>
</slot>
</span>
</div>
</div>
<div v-if="model.children && model.children.length > 0 && expanded"
class="border bottom"
:class="{'active': isDragEnterBottom}"
@drop="dropBottom"
@dragenter="dragEnterBottom"
@dragover='dragOverBottom'
@dragleave="dragLeaveBottom"></div>
</div>
<div :class="{'tree-margin': model.name !== 'root'}" v-show="expanded" v-if="isFolder">
<item v-for="model in model.children"
:default-tree-node-name="defaultTreeNodeName"
:default-leaf-node-name="defaultLeafNodeName"
:model="model"
:key='model.id'>
</item>
</div>
</div>
</template>
<script>
import { Tree, TreeNode } from './Tree.js'
import $ from 'jquery'
let fromComp = ''
export default {
data: function () {
return {
isHover: false,
editable: false,
isDragEnterUp: false,
isDragEnterBottom: false,
isDragEnterNode: false,
expanded: true
}
},
props: {
model: {
type: Object
},
defaultLeafNodeName: {
type: String,
default: 'New leaf node'
},
defaultTreeNodeName: {
type: String,
default: 'New tree node'
}
},
computed: {
itemIconClass () {
return this.model.isLeaf ? 'icon-file' : 'icon-folder'
},
caretClass () {
return this.expanded ? 'icon-caret-down' : 'icon-caret-right'
},
isFolder() {
return this.model.children &&
this.model.children.length
}
},
mounted () {
const vm = this
$(window).on('keyup', function (e) {
// click enter
if (e.keyCode === 13 && vm.editable) {
vm.editable = false
}
})
},
beforeDestroy () {
$(window).off('keyup')
},
methods: {
updateName (e) {
this.model.changeName(e.target.value)
},
delNode () {
const vm = this
if (window.confirm('Are you sure?')) {
vm.model.remove()
}
},
setEditable () {
this.editable = true
this.$nextTick(() => {
$(this.$refs.nodeInput).trigger('focus')
})
},
setUnEditable () {
this.editable = false
},
toggle() {
if (this.isFolder) {
this.expanded = !this.expanded
}
},
mouseOver(e) {
this.isHover = true
},
mouseOut(e) {
this.isHover = false
},
addChild(isLeaf) {
const name = isLeaf ? this.defaultLeafNodeName : this.defaultTreeNodeName
this.expanded = true
var node = new TreeNode(name, isLeaf)
this.model.addChildren(node, true)
},
dragStart(e) {
fromComp = this
e.dataTransfer.effectAllowed = 'move'
return true
},
dragEnd(e) {
fromComp = null
},
dragOver(e) {
e.preventDefault()
return true
},
dragEnter(e) {
if (this.model.isLeaf) {
return
}
this.isDragEnterNode = true
},
dragLeave(e) {
this.isDragEnterNode = false
},
drop(e) {
fromComp.model.moveInto(this.model)
this.isDragEnterNode = false
},
dragEnterUp () {
this.isDragEnterUp = true
},
dragOverUp (e) {
e.preventDefault()
return true
},
dragLeaveUp () {
this.isDragEnterUp = false
},
dropUp () {
fromComp.model.insertBefore(this.model)
this.isDragEnterUp = false
},
dragEnterBottom () {
this.isDragEnterBottom = true
},
dragOverBottom (e) {
e.preventDefault()
return true
},
dragLeaveBottom () {
this.isDragEnterBottom = false
},
dropBottom () {
fromComp.model.insertAfter(this.model)
this.isDragEnterBottom = false
}
},
beforeCreate () {
this.$options.components.item = require('./VueTreeList.vue')
}
}
</script>
<style lang="less" rel="stylesheet/less" scoped>
@font-face {
font-family: 'icomoon';
src: url('fonts/icomoon.eot?ui1hbx');
src: url('fonts/icomoon.eot?ui1hbx#iefix') format('embedded-opentype'),
url('fonts/icomoon.ttf?ui1hbx') format('truetype'),
url('fonts/icomoon.woff?ui1hbx') format('woff'),
url('fonts/icomoon.svg?ui1hbx#icomoon') format('svg');
font-weight: normal;
font-style: normal;
}
.vue-tree-icon {
/* use !important to prevent issues with browser extensions that change fonts */
font-family: 'icomoon' !important;
speak: none;
font-style: normal;
font-weight: normal;
font-variant: normal;
text-transform: none;
line-height: 1;
/* Better Font Rendering =========== */
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
&.item-icon {
margin-right: 4px;
&:hover {
color: inherit;
}
}
&:hover {
color: blue;
}
}
.icon-file:before {
content: "\e906";
}
.icon-folder:before {
content: "\e907";
}
.icon-caret-down:before {
content: "\e900";
}
.icon-caret-right:before {
content: "\e901";
}
.icon-edit:before {
content: "\e902";
}
.icon-folder-plus-e:before {
content: "\e903";
}
.icon-plus:before {
content: "\e904";
}
.icon-trash:before {
content: "\e905";
}
.border {
height: 5px;
&.up {
margin-top: -5px;
background-color: transparent;
}
&.bottom {
background-color: transparent;
}
&.active {
border-bottom: 3px dashed blue;
/*background-color: blue;*/
}
}
.tree-node {
display: flex;
align-items: center;
padding: 5px 0 5px 1rem;
.input {
border: none;
max-width: 150px;
border-bottom: 1px solid blue;
}
&:hover {
background-color: #f0f0f0;
}
&.active {
outline: 2px dashed pink;
}
.caret {
margin-left: -1rem;
}
.operation {
margin-left: 2rem;
letter-spacing: 1px;
}
}
.item {
cursor: pointer;
}
.tree-margin {
margin-left: 2em;
}
</style>