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MCVRExample.html
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MCVRExample.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=7" />
<title>MCRV 设计模式 Demo</title>
<style type="text/css">
/********表现*********/
table{width:100%;border-collapse: collapse;}
td{border: 1px solid black;padding: 2px;}
#container {width:800px;margin:0px auto;}
#tbUsers{margin:20px auto;}
#tbUsers th{background-color: navy;color:white;text-align: center;vertical-align: middle;border:1px solid navy}
#tbUsers td{text-align: center;}
.editCaption{width:100px;text-align: right;}
.buttonMargin{margin:0px 20px;}
.buttonContainer{text-align: center;vertical-align: middle;height:50px}
</style>
<script src="./jquery-1.3.2.min.js" type="text/javascript" charset="utf-8"></script>
</head>
<body>
<!-------结构--------->
<div id="container">
<table id="tbUsers">
<thead><th>id</th><th>姓名</th><th>年龄</th><th>修改</th></thead>
<tbody/>
</table>
<div style="display: none;" id="dvEditPanel">
<form id="frmModify" name="frmModify">
<table>
<tr>
<td class="editCaption"> id: </td>
<td><span id="spID"></span></td>
</tr>
<tr>
<td class="editCaption"> 姓名: </td>
<td><input type="text" size="20" id="txtName"/></td>
</tr>
<tr>
<td class="editCaption"> 年龄: </td>
<td><input type="text" size="20" id="txtAge"/></td>
</tr>
<tr>
<td colspan="2" class="buttonContainer">
<button id="btnSubmitModify" class="buttonMargin" type="button">提交</button>
<button id="btnCancelModify" class="buttonMargin" type="button">取消</button>
</td>
</tr>
</table>
</form>
</div>
</div>
<script>
/***************************行为********************************/
var UserManagerMCR;
$(function()
{
UserManagerMCR=new MCR(UserController,UserModel,UserRenderer);
});
/*
* MCR 三元组
*/
function MCR(Controller,Model,Renderer)
{
this.controller=new Controller();
this.model=new Model();
this.renderer=new Renderer();
this.controller.model=this.model;
this.controller.renderer=this.renderer;
this.model.controller=this.controller;
this.renderer.controller=this.controller;
if(typeof this.model.init=="function")
{
this.model.init();
}
if(typeof this.renderer.init=="function")
{
this.renderer.init();
}
if(typeof this.controller.init=="function")
{
this.controller.init();
}
}
/*
* 控制器
*/
function UserController()
{
this.init=function()
{
this.initUserList();
}
this.initUserList=function()
{
var list=this.model.getUserList();
this.renderer.renderUserList(list);
}
this.beginModify=function(data)
{
var user=this.model.getUserByID(data.id);
this.renderer.showModifyUI(user);
}
//提交修改
this.submitModify=function(user)
{
var result=this.model.modifyUser(user);
if(result.success)
{
var list=this.model.getUserList();
this.renderer.renderUIWhenSubmitModifySuccess(list);
}
else
{
alert(result.msg);
}
}
//取消修改
this.cancelModify=function()
{
this.renderer.hideModifyUI();
}
}
/*
* 模型
*/
function UserModel()
{
//模拟的数据，实际应用中经常从服务器获取
this.init=function()
{
this.data = [
{id:0,name:"John",age:22},
{id:1,name:"Tom",age:30},
{id:2,name:"Tony",age:25}
];
}
//获得用户数据列表
this.getUserList=function()
{
//todo ,可能ajax从后端返回
return this.data;
}
//获得用户数据
this.getUserByID=function(id)
{
var ix;
$.each(this.data,function(i,item){if(item["id"]==id ) { ix=i; return false;}});
return this.data[ix];
}
//修改用户数据
this.modifyUser=function(user)
{
var result={success:true,msg:"修改成功"};
//todo,验证参数user
//todo,修改用户数据
$.each(this.data,function(i,item)
{
if(item["id"]==user["id"])
{
item["name"]=user["name"];
item["age"]=user["age"]
return false;
}
});
return result;
}
}
/*
* 呈现器
*/
function UserRenderer()
{
this.init=function()
{
var me=this;
$("#btnSubmitModify").click(function()
{
var user={id:$("#spID").text(),name:$("#txtName").val(),age:$("#txtAge").val()};
me.controller.submitModify(user);
});
$("#btnCancelModify").click(function()
{
me.controller.cancelModify();
});
$("#tbUsers .modify").live("click",function()
{
var id=$(this).attr("uid");
me.controller.beginModify({"id":id});
});
}
this.renderUserList=function(list)
{
var htm=[];
for(var ix=0;ix<list.length;ix++)
{
htm.push("<tr><td>" +list[ix]["id"]+"</td>" +"<td>"+list[ix]["name"]+"<td>"+list[ix]["age"]+"</td>"
+"<td>"+"<a class='modify' href='javascript:void(0)' uid='"+list[ix]["id"]+"'>修改</a></td>"+"</tr>");
}
$("#tbUsers").children("tbody").html(htm.join(""));
}
this.showModifyUI=function(user)
{
$("#dvEditPanel").show();
$("#spID").text(user["id"]);
$("#txtName").val(user["name"]);
$("#txtAge").val(user["age"]);
}
this.hideModifyUI=function()
{
document.frmModify.reset();
$("#dvEditPanel").hide();
}
this.renderUIWhenSubmitModifySuccess=function(list)
{
this.hideModifyUI();
this.renderUserList(list);
}
}
</script>
</body>
</html>