<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<title>ToDoList—最简单的待办事项列表</title>
<meta name="description" content="ToDoList无须注册即可使用，数据存储在用户浏览器的html5本地数据库里，是最简单最安全的待办事项列表应用！">
<title>ToDoList</title>
<style type="text/css">
body {
margin:0;
padding:0;
font-size:16px;
background: #CDCDCD;
}
header {
height:50px;
background:#333;
background:rgba(47,40,45,0.70);
}
section{
margin:0 auto;
}
label{
float:left;
width:100px;
line-height:50px;
color:#DDD;
font-size:24px;
cursor:pointer;
font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
}
header input{
float:right;
width:60%;
height:24px;
margin-top:12px;
/*首行缩进*/
text-indent:10px;
border-radius:5px;
/*向框添加一个或多个阴影。该属性是由逗号分隔的阴影列表，每个阴影由 2-4 个长度值、可选的颜色值以及可选的 inset 关键词来规定。省略长度的值是 0*/
box-shadow: 0 1px 0 rgba(255,255,255,0.24), 0 1px 6px rgba(0,0,0,0.45) inset;
border:none
}
input:focus{
/*属性设置元素整个轮廓的宽度，只有当轮廓样式不是 none 时，这个宽度才会起作用*/
outline-width:0
}
h2{
position:relative;
}
span{
position:absolute;
top:2px;
right:5px;
display:inline-block;
padding:0 5px;
height:20px;
border-radius:20px;
background:#E6E6FA;
line-height:22px;
text-align:center;
color:#666;
font-size:14px;
}
ol,ul{
padding:0;
list-style:none;
}
li input{
position:absolute;
top:2px;
left:10px;
width:22px;
height:22px;
cursor:pointer;
}
p{
margin: 0;
}
li p input{
top:3px;
left:40px;
width:70%;
height:20px;
line-height:14px;
text-indent:5px;
font-size:14px;
}
li{
height:32px;
line-height:32px;
background: #fff;
position:relative;
margin-bottom: 10px;
padding:0 45px;
border-radius:3px;
border-left: 5px solid #629A9C;
box-shadow: 0 1px 2px rgba(0,0,0,0.07);
}
ol li{
cursor:move;
}
ul li{
border-left: 5px solid #999;
/*不透明度*/
opacity: 0.5;
}
li a{
position:absolute;
top:2px;
right:5px;
display:inline-block;
width:14px;
height:12px;
border-radius:14px;
border:6px double #FFF;
background:#CCC;
line-height:14px;
text-align:center;
color:#FFF;
font-weight:bold;
font-size:14px;
cursor:pointer;
}
footer{
color:#666;
font-size:14px;
text-align:center;
}
footer a{
color:#666;
text-decoration:none;
color:#999;
}
/*页面宽度等于620时候执行里面代码*/
@media screen and (max-device-width: 620px) {
section{width:96%;padding:0 2%;}
}
/*当浏览器尺寸大于620px时候的代码了*/
@media screen and (min-width: 620px) {
section{width:600px;padding:0 10px;}
}
</style>
</head>
<body>
<header>
<section>
<form action="javascript:postaction()" id="form">
<label for="title">ToDoList</label>
<!--autocomplete="off"规定禁用自动完成功能-->
<input type="text" id="title" name="title" placeholder="添加ToDo" required="required" autocomplete="off">
</form>
</section>
</header>
<section>
<h2 onclick="save()">正在进行 <span id="todocount">0</span></h2>
<ol id="todolist" class="demo-box"></ol>
<h2>已经完成 <span id="donecount">0</span></h2>
<ul id="donelist"></ul>
</section>
<footer>
Copyright © 2014 todolist.cn <a href="javascript:clear();">clear</a>
</footer>
<script type="text/javascript">
function clear(){
// localStorage本地存储
localStorage.clear();
load();
}
function postaction(){
var title = document.getElementById("title");
if(title.value == "") {
alert("内容不能为空");
}else{
var data=loadData();
var todo={"title":title.value,"done":false};
data.push(todo);
saveData(data);
var form=document.getElementById("form");
form.reset();
load();
}
}
function loadData(){
var collection=localStorage.getItem("todo");
if(collection!=null){
return JSON.parse(collection);
}
else return [];
}
function saveSort(){
var todolist=document.getElementById("todolist");
var donelist=document.getElementById("donelist");
var ts=todolist.getElementsByTagName("p");
var ds=donelist.getElementsByTagName("p");
var data=[];
for(i = 0;i < ts.length; i++){
var todo={"title":ts[i].innerHTML,"done":false};
// unshift() 方法可向数组的开头添加一个或更多元素，并返回新的长度。
data.unshift(todo);
}
for(i = 0;i < ds.length; i++){
var todo={"title":ds[i].innerHTML,"done":true};
data.unshift(todo);
}
saveData(data);
}
function saveData(data){
// JSON.stringify()把对象的类型转换为字符串类型
localStorage.setItem("todo",JSON.stringify(data));
}
function remove(i){
var data=loadData();
var todo=data.splice(i,1)[0];// 从i开始删除一个元素
saveData(data);
load();
}
function update(i,field,value){
var data = loadData();
var todo = data.splice(i,1)[0];
todo[field] = value;
data.splice(i,0,todo);
saveData(data);
load();
}
function edit(i)
{
load();
var p = document.getElementById("p-"+i);
title = p.innerHTML;
p.innerHTML="<input id='input-"+i+"' value='"+title+"' />";
var input = document.getElementById("input-"+i);
input.setSelectionRange(0,input.value.length); // 选中value内容
input.focus();
input.onblur =function(){
if(input.value.length == 0){
p.innerHTML = title;
alert("内容不能为空");
}
else{
update(i,"title",input.value);
}
};
}
function load(){
var todolist=document.getElementById("todolist");
var donelist=document.getElementById("donelist");
var collection=localStorage.getItem("todo");
if(collection!=null){
var data=JSON.parse(collection);
var todoCount=0;
var doneCount=0;
var todoString="";
var doneString="";
for (var i = data.length - 1; i >= 0; i--) {
if(data[i].done){
doneString+="<li draggable='true'><input type='checkbox' onchange='update("+i+",\"done\",false)' checked='checked' />"
+"<p id='p-"+i+"' onclick='edit("+i+")'>"+data[i].title+"</p>"
+"<a href='javascript:remove("+i+")'>-</a></li>";
doneCount++;
}
else{
todoString+="<li draggable='true'><input type='checkbox' onchange='update("+i+",\"done\",true)' />"
+"<p id='p-"+i+"' onclick='edit("+i+")'>"+data[i].title+"</p>"
+"<a href='javascript:remove("+i+")'>-</a></li>";
todoCount++;
}
};
todocount.innerHTML=todoCount;
todolist.innerHTML=todoString;
donecount.innerHTML=doneCount;
donelist.innerHTML=doneString;
}
else{
todocount.innerHTML=0;
todolist.innerHTML="";
donecount.innerHTML=0;
donelist.innerHTML="";
}
var lis=todolist.querySelectorAll('ol li'); // 返回li元素的集合
[].forEach.call(lis, function(li) {
li.addEventListener('dragstart', handleDragStart, false);
li.addEventListener('dragover', handleDragOver, false);
li.addEventListener('drop', handleDrop, false);
onmouseout =function(){
saveSort();
};
});
}
window.onload=load;
window.addEventListener("storage",load,false);
var dragSrcEl = null;
function handleDragStart(e) {
dragSrcEl = this;
e.dataTransfer.effectAllowed = 'move';
e.dataTransfer.setData('text/html', this.innerHTML);
}
function handleDragOver(e) {
if (e.preventDefault) {
e.preventDefault();
}
e.dataTransfer.dropEffect = 'move';
return false;
}
function handleDrop(e) {
if (e.stopPropagation) {
e.stopPropagation();
}
if (dragSrcEl != this) {
dragSrcEl.innerHTML = this.innerHTML;
this.innerHTML = e.dataTransfer.getData('text/html');
}
return false;
}
</script>
</body>
</html>