日期:2014-05-16  浏览次数:20344 次

利用jquery根据json文本动态的生成可分组的table,并实现checkbox partial check功能

? 近来根据项目需求,需要实现动态的根据json文本生成一个可分组的table功能,并且需要实现类似tree的展开和收缩功能, 另外附带checkboxpartial check功能。

? 查阅了不少js framework,没有比较顺手的,都需要二次开发,于是打算自己写一个简单的, 先看一个页面:



?Basic Framework: Jquery, 因为需要很多的selector操作,而jquery的$()不是盖的,而且只需要用到jquery的min js,比较轻量级。

Partial Checkbox 的实现,因为checkbox本身不支持partial check, 所以需要用图片来实现,基本原理是底层一个白色的空图片,根据点击事件来动态的更换background picture。

Json parser: 我实现的很简单,json文本中放置一个数组,里面是需要显示的对象, 利用jquery的each方法遍历文本,分析出group和group item, 调用jquery的append方法生成tr

json 文本如下:

?

var data = 
{"source":
[
	{
		"groupName":100001,
	    "setpointTemplateId":2212,
		"protocolName":"ComTrol 6k",
		"unifiedAppTypeName":"Suction Group",
		"unifiedPointName":"SUCT PRES SETPT",
		"energyCritical":true,
		"alarmSetpoint":false,
		"checkOveride":false,
		"isChecked":true,
		"checkWaringMsg":"function(isChecked){if(isChecked){alert('If you unchecked this point, you can not calculate the benefit.');}}"
	},
	{
		"groupName":100001,
	    "setpointTemplateId":2213,
		"protocolName":"ComTrol 6k",
		"unifiedAppTypeName":"Suction Group",
		"unifiedPointName":"Lead Float Ckt",
		"energyCritical":false,
		"alarmSetpoint":true,
		"checkOveride":false,
		"isChecked":false,
		"checkWaringMsg":''
	},
	{
		"groupName":100001,
	    "setpointTemplateId":2214,
		"protocolName":"ComTrol 6k",
		"unifiedAppTypeName":"Suction Group",
		"unifiedPointName":"FLOAT TEMP",
		"energyCritical":true,
		"alarmSetpoint":false,
		"checkOveride":false,
		"isChecked":false,
		"checkWaringMsg":''
	},
	{
		"groupName":100002,
	    "setpointTemplateId":1000,
		"protocolName":"E2",
		"unifiedAppTypeName":"Suction Group",
		"unifiedPointName":"CONTROL TEMP",
		"energyCritical":false,
		"alarmSetpoint":true,
		"checkOveride":false,
		"isChecked":false,
		"checkWaringMsg":''
	},
	{
		"groupName":100002,
	    "setpointTemplateId":1001,
		"protocolName":"E2",
		"unifiedAppTypeName":"Suction Group",
		"unifiedPointName":"FLOAT TEMP",
		"energyCritical":true,
		"alarmSetpoint":false,
		"checkOveride":false,
		"isChecked":false,
		"checkWaringMsg":''
	},
	{
		"groupName":100002,
	    "setpointTemplateId":1002,
		"protocolName":"E2",
		"unifiedAppTypeName":"Suction Group",
		"unifiedPointName":"FLOAT TEMP",
		"energyCritical":false,
		"alarmSetpoint":true,
		"checkOveride":false,
		"isChecked":false,
		"checkWaringMsg":''
	}
]
};

?html页面:

?

?

<!DOCTYPE html>
<html>
<head>
  <script type="text/javascript" src="data.js"></script>
  <script type="text/javascript" src="jquery.js"></script>
  <script type="text/javascript" src="index_1.js"></script>
  <style type="text/css">
	.node-unchecked {background-image: url(unchecked.gif);}
	.node-checked-partial {background-image: url(checked-partial.gif);}
	.node-checked {background-image: url(checked.gif);}
	.image-checkbox {border: 0 none;height: 18px;margin: 0;padding: 0;vertical-align: middle;width: 15px;background-repeat: no-repeat;}
	#custom_profile_table
	{
		border-collapse:collapse;
	}
	#custom_profile_table td, #custom_profile_table th 
	{
		border:1px solid #ADADAA;
		padding:3px 3px 3px 3px;
		text-align:center;
	}
	#custom_profile_table th 
	{
		text-align:center;
		padding-top:5px;
	}
	#custom_profile_table tr.alt td 
	{
		color:#000;
		background-color:#EAF2D3;
	}

  </style>
</head>
<body>
<table>
	<tr>
		<td><button onClick="selectHelperHandler('SELECT_ALL_ENERGY')">Select all Energy Critical Setpoint</button></td>
		<td><button onClick="selectHelperHandler('SELECT_ALL_ALARM')">Select all Alarm Setpoint</button></td>
		<td><button onClick="selectHelperHandle