Tree组件实现文件目录-基础实现
-
封装文件目录组件
src\views\folder-tree\folder-tree.vue
<template>
<div class="folder-wrapper">
<folder-tree :folder-list="folderList" :file-list="fileList"/>
</div>
</template>
<script>
import { getFolderList, getFileList } from '@/api/data';
import FolderTree from '_c/folder-tree';
export default {
components: {
FolderTree
},
data () {
return {
folderList: [],
fileList: []
}
},
mounted () {
Promise.all([getFolderList(), getFileList()]).then(res => {
this.folderList = res[0]
this.fileList = res[1]
})
}
}
</script>
<style lang="less">
.folder-wrapper {
width: 300px;
}
</style>
src\components\folder-tree\folder-tree.vue
<template>
<div class="folder-wrapper">
<Tree :folder-list="folderList" :file-list="fileList" :data="folderTree" :render="renderFunc"></Tree>
</div>
</template>
<script>
import { putFileInFolder, transferFolderToTree } from '@/lib/util'
export default {
name: 'FolderTree',
data () {
return {
folderTree: [],
renderFunc: (h, { root, node, data }) => {
return (
<div class="tree-item">
{data.type === 'folder' ? (
<icon
type="ios-folder"
color="#2d8cf0"
style="margin-right: 5px;"
/>
) : (
''
)}
{data.title}
</div>
)
}
}
},
props: {
folderList: {
type: Array,
default: () => []
},
fileList: {
type: Array,
default: () => []
}
},
methods: {
transData () {
this.folderTree = transferFolderToTree(
putFileInFolder(this.folderList, this.fileList)
)
}
},
watch: {
folderList () {
this.transData()
},
fileList () {
this.transData()
}
},
mounted () {
this.transData()
}
}
</script>
<style lang="less">
.tree-item {
display: inline-block;
width: ~"calc(100% - 50px)";
height: 30px;
line-height: 30px;
}
</style>
-
操作目录
-
多个属性v-model替代方案
-
增加钩子函数
src\views\folder-tree\folder-tree.vue
<template>
<div class="folder-wrapper">
<!-- <Tree :data="folderTree" :render="renderFunc"></Tree> -->
<folder-tree
:folder-list.sync="folderList"
:file-list.sync="fileList"
:folder-drop="folderDrop"
:file-drop="fileDrop"
:beforeDelete="beforeDelete"
/>
</div>
</template>
<script>
import { getFolderList, getFileList } from '@/api/data'
import FolderTree from '_c/folder-tree'
export default {
components: {
FolderTree
},
data () {
return {
folderList: [],
fileList: [],
folderDrop: [
{
name: 'rename',
title: '重命名'
},
{
name: 'delete',
title: '删除文件夹'
}
],
fileDrop: [
{
name: 'rename',
title: '重命名'
},
{
name: 'delete',
title: '删除文件'
}
]
}
},
methods: {
beforeDelete () {
return new Promise((resolve, reject) => {
setTimeout(() => {
let error = new Error('error')
if (!error) {
resolve()
} else reject(error)
}, 2000)
})
}
},
mounted () {
Promise.all([getFolderList(), getFileList()]).then(res => {
this.folderList = res[0]
this.fileList = res[1]
})
}
}
</script>
<style lang="less">
.folder-wrapper {
width: 300px;
}
</style>
src\components\folder-tree\folder-tree.vue
<template>
<Tree :data="folderTree" :render="renderFunc"></Tree>
</template>
<script>
import {
putFileInFolder,
transferFolderToTree,
expandSpecifiedFolder
} from '@/lib/util'
import clonedeep from 'clonedeep'
export default {
name: 'FolderTree',
data () {
return {
folderTree: [],
currentRenamingId: '',
currentRenamingContent: '',
renderFunc: (h, { root, node, data }) => {
const dropList =
data.type === 'folder' ? this.folderDrop : this.fileDrop
const dropdownRender = dropList.map(item => {
return <dropdownItem name={item.name}>{item.title}</dropdownItem>
})
const isRenaming =
this.currentRenamingId === `${data.type || 'file'}_${data.id}`
return (
<div class="tree-item">
{data.type === 'folder' ? (
<icon
type="ios-folder"
color="#2d8cf0"
style="margin-right: 10px;"
/>
) : (
''
)}
{isRenaming ? (
<span>
<i-input
value={data.title}
on-input={this.handleInput}
class="tree-rename-input"
/>
<i-button
size="small"
type="text"
on-click={this.saveRename.bind(this, data)}
>
<icon type="md-checkmark" />
</i-button>
<i-button size="small" type="text">
<icon type="md-close" />
</i-button>
</span>
) : (
<span>{data.title}</span>
)}
{dropList && !isRenaming ? (
<dropdown
placement="right-start"
on-on-click={this.handleDropdownClick.bind(this, data)}
>
<i-button size="small" type="text" class="tree-item-button">
<icon type="md-more" size={12} />
</i-button>
<dropdownMenu slot="list">{dropdownRender}</dropdownMenu>
</dropdown>
) : (
''
)}
</div>
)
}
}
},
props: {
folderList: {
type: Array,
default: () => []
},
fileList: {
type: Array,
default: () => []
},
folderDrop: Array,
fileDrop: Array,
beforeDelete: Function
},
watch: {
folderList () {
this.transData()
},
fileList () {
this.transData()
}
},
methods: {
transData () {
this.folderTree = transferFolderToTree(
putFileInFolder(this.folderList, this.fileList)
)
},
isFolder (type) {
return type === 'folder'
},
handleDelete (data) {
const folderId = data.folder_id
const isFolder = this.isFolder(data.type)
let updateListName = isFolder ? 'folderList' : 'fileList'
let list = isFolder
? clonedeep(this.folderList)
: clonedeep(this.fileList)
list = list.filter(item => item.id !== data.id)
this.$emit(`update:${updateListName}`, list)
this.$nextTick(() => {
expandSpecifiedFolder(this, this.folderTree, folderId)
})
},
handleDropdownClick (data, name) {
if (name === 'rename') {
this.currentRenamingId = `${data.type || 'file'}_${data.id}`
} else if (name === 'delete') {
this.$Modal.confirm({
title: '提示',
content: `您确定要删除${
this.isFolder(data.type) ? '文件夹' : '文件'
}《${data.title}》吗？`,
onOk: () => {
this.beforeDelete
? this.beforeDelete()
.then(() => {
this.handleDelete(data)
})
.catch(() => {
this.$Message.error('删除失败')
})
: this.handleDelete(data)
}
})
}
},
handleInput (value) {
this.currentRenamingContent = value
},
updateList (list, id) {
let i = -1
let len = list.length
while (++i < len) {
let folderItem = list[i]
if (folderItem.id === id) {
folderItem.name = this.currentRenamingContent
list.splice(i, 1, folderItem)
break
}
}
return list
},
saveRename (data) {
const id = data.id
const type = data.type
if (type === 'folder') {
const list = this.updateList(clonedeep(this.folderList), id)
this.$emit('update:folderList', list)
} else {
const list = this.updateList(this.fileList, id)
this.$emit('update:fileList', list)
}
this.currentRenamingId = ''
}
},
mounted () {
this.transData()
}
}
</script>
<style lang="less">
.tree-item {
display: inline-block;
width: ~"calc(100% - 50px)";
height: 30px;
line-height: 30px;
& > .ivu-dropdown {
float: right;
}
ul.ivu-dropdown-menu {
padding-left: 0;
}
li.ivu-dropdown-item {
margin: 0;
padding: 7px 16px;
}
.tree-rename-input {
width: ~"calc(100% - 80px)";
}
}
</style>
