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Copy path6-TODO List的拖拽API实现.html
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6-TODO List的拖拽API实现.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>3-TODO List</title>
<style>
*{
box-sizing: border-box;
}
body{
padding: 0;
margin: 0;
background-color: rgb(241, 233, 233);
}
h1,h2,h3,p{
margin: 0;
}
#app{
max-width: 750px;
margin: 0 auto;
}
.dashboard{
height: 350px;
margin-bottom: 20px;
display: flex;
flex-flow: row nowrap;
justify-content: space-around;
align-items: center;
background-color: #f8f8f8;
}
.dashboard .dashitem{
width: 120px;
height: 120px;
border: 1px solid #222;
line-height: 120px;
border-radius: 50%;
text-align: center;
}
.listwrap{
min-height: 400px;
display: flex;
flex-flow: row nowrap;
justify-content: space-between;
background-color: #f8f8f8;
margin-bottom: 20px;
}
.listwrap .list{
width: 370px;
padding: 30px;
flex: 1 1;
}
.listwrap .list+.list{
border-left: 1px solid rgb(241, 233, 233);
}
.listwrap .list h2{
border-bottom: 1px solid #333;
padding: 10px 0;
}
.listwrap .list .listitem{
padding: 10px;
}
.listwrap .list .listitem .item p{
margin-bottom: 8px;
}
.listwrap .list .listitem .item h3{
margin-bottom: 10px;
}
.listwrap .listitem .itembutton a{
display: inline-block;
border: 1px solid #666;
border-radius: 4px;
text-align: center;
padding: 1px 2px;
color: green;
font-size: 1em;
cursor: pointer;
}
.addbutton{
width: 700px;
margin: 0 auto;
}
.addbutton a{
border: 2px solid green;
border-radius: 5px;
font-size: 1em;
cursor: pointer;
color: green;
text-align: center;
margin: 0 auto;
display: block;
background-color: #f3f3f3;
}
.formTextcure{
position: fixed;
top: 0;
bottom: 0;
left: 0;
right: 0;
background-color: rgba(0, 0, 0, 0.2);
z-index: 100;
}
.formCard{
position: absolute;
left: 50%;
top: 30%;
transform: translateX(-50%);
padding: 30px;
display: flex;
flex-flow: column nowrap;
border-radius: 5px;
background-color: #fff;
}
.formCard label{
display: flex;
flex-flow: row nowrap;
justify-content: flex-start;
margin-top: 10px;
}
.formCard label span{
margin-right: 3px;
}
.formCard label input[type='text']{
width: 200px;
}
.formCard .formbtn{
display: flex;
flex-flow: row nowrap;
justify-content: center;
margin-top: 10px;
}
.formCard .formbtn a{
cursor: pointer;
}
.formCard .formbtn a+a{
margin-left: 10px;
}
</style>
</head>
<body>
<script type="text/x-template" id="dashitem">
<div class="dashitem"><span>{{dashmes}}</span></div>
</script>
<script type="text/x-template" id="dashboard">
<div class="dashboard">
<dashitem :dashmes="activenum + '条事项进行中'"></dashitem>
<dashitem :dashmes="complatenum + '条事项已完成'"></dashitem>
<dashitem :dashmes="childisedit ? '正在编辑' : '尚未编辑'"></dashitem>
</div>
</script>
<script type="text/x-template" id="activelistitem">
<div class="listitem" draggable="true" @dragstart="dragstart">
<div class="item">
<h3>{{todo.title}}</h3>
<p>{{todo.context}}</p>
</div>
<div class="itembutton">
<a @click="$emit('add-complate', todo.key)">完成</a>
<a @click="$emit('delete-active', todo.key)">删除</a>
</div>
</div>
</script>
<script type="text/x-template" id="complatelistitem">
<div class="listitem">
<div class="item">
<h3>{{todo.title}}</h3>
<p>{{todo.context}}</p>
</div>
<div class="itembutton">
<a @click="$emit('delete-complate', todo.key)">删除</a>
</div>
</div>
</script>
<script type="text/x-template" id="formgrid">
<div class="formTextcure">
<div class="formCard">
<label for="title">
<span>标题</span>
<input type="text" placeholder="请输入标题" v-model="title" />
</label>
<label for="context">
<span>内容</span>
<textarea name="context" cols="30" rows="10" placeholder="请输入内容" v-model="context"></textarea>
</label>
<div class="formbtn">
<a @click="notify">确定</a>
<a @click="$emit('cancel', false)">取消</a>
</div>
</div>
</div>
</script>
<script type="text/x-template" id="todolistgrid">
<div>
<div class="listwrap">
<div class="activelist list">
<h2>进行中</h2>
<active-listitem v-for="todo in active" :todo="todo" :key="todo.key" v-on="$listeners"></active-listitem>
</div>
<div class="complatelist list" @drop="drop" @dragover="allowDrop">
<h2>已完成</h2>
<complate-listitem v-for="todo in complate" :todo="todo" :key="todo.key" v-on="$listeners"></complate-listitem>
</div>
</div>
<div class="addbutton">
<a @click="$emit('pop', true)">添加事项</a>
</div>
</div>
</script>
<div id="app">
<dash-board
:activenum="active.length"
:complatenum="complate.length"
:childisedit="isEdit"
>
</dash-board>
<todo-list
:active="active"
:complate="complate"
:is-edit="isEdit"
@pop="changeIsEdit"
@add-complate="addToComplate"
@delete-active="deleteToActive"
@delete-complate="deleteToComplate"
></todo-list>
<form-grid
v-show="isEdit"
@add-active="addToActive"
@cancel="changeIsEdit"
></form-grid>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script>
const itemKeyUtil = (()=>{
let uid = 0
return {
getKey(){
return ++ uid
}
}
})()
let vm = new Vue({
el: '#app',
data: {
active: [],
complate: [],
isEdit: false
},
methods: {
'addToActive': function(msg) {
this.active.unshift({
key: itemKeyUtil.getKey(),
title: msg.title,
context: msg.context
})
this.$set(this, 'isEdit', false)
},
'addToComplate': function(key) {
let index = this.active.findIndex(((obj) => {
return obj.key === key
}))
if(index === void 0) {
return
}
let ele = this.active.splice(index, 1)
this.complate.unshift(ele[0])
},
'deleteToActive': function(key) {
let index = this.active.findIndex(((obj) => {
return obj.key === key
}))
if(index === void 0) {
return
}
this.active.splice(index, 1)
},
'deleteToComplate': function(key) {
let index = this.complate.findIndex(((obj) => {
return obj.key === key
}))
if(index === void 0) {
return
}
this.complate.splice(index, 1)
},
'changeIsEdit': function(status) {
this.$set(this, 'isEdit', status)
}
},
components: {
'dash-board': {
template: '#dashboard',
props: {
activenum: Number,
complatenum: Number,
childisedit: Boolean
},
components: {
'dashitem': {
template: '#dashitem',
props: {
dashmes: String
}
}
}
},
'form-grid': {
template: '#formgrid',
data(){
return {
title: '',
context: ''
}
},
methods: {
notify: function() {
if(this.title.trim() && this.context.trim()) {
this.$emit('add-active', {
'title': this.title,
'context': this.context
})
this.title = ''
this.context = ''
}
},
}
},
'todo-list': {
template: '#todolistgrid',
props: {
active: Array,
complate: Array,
isEdit: Boolean
},
components: {
'active-listitem': {
template: '#activelistitem',
props: {
todo: Object
},
methods: {
dragstart(e) {
console.log('拖动开始')
e.dataTransfer.setData("todo", JSON.stringify(this.todo))
}
}
},
'complate-listitem': {
template: '#complatelistitem',
props: {
todo: Object
}
}
},
computed: {
inputListeners: function () {
var vm = this
return Object.assign({},
this.$listeners,
{
'delete-active': function (key) {
vm.$emit('delete-active', key)
}
}
)
}
},
methods: {
drop(e) {
console.log('放置成功')
e.preventDefault()
const data = JSON.parse(e.dataTransfer.getData('todo'))
this.$emit('add-complate', data.key)
},
allowDrop(e) {
e.preventDefault()
}
}
}
}
})
</script>
</body>
</html>