除了引用的文件总计一个html一个js文件（引用jquery.js,juery-ui.js,Raphael.js）
有一些小bug，建议使用chrome。
以下附代码：
1）html代码
<span style="font-size:14px;"><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script src="js/jquery-ui-1.8.4.custom/js/jquery.min.js" type="text/javascript"></script>
<script src="js/jquery-ui-1.8.4.custom/js/jquery-ui.min.js" type="text/javascript"></script>
<script type="text/javascript" src="myJs/raphael.js"></script>
<script type="text/javascript" src="myJs/designer.js"></script>
<style>
.td1
{
height:20px;
78px;
text-align:center;
background:rgb(240,240,240);
border:1px;
border-color:#000;
font-size:12px;
cursor:default;
font-family:微软雅黑;
}
.td2
{
2px;
}
.tool
{
320px;
margin-top:10px;
}
.div1
{
background:rgb(205,240,127);
80%;
font-size:12px;
font-family:微软雅黑;
}
body
{
font-size:12px;
font-family:微软雅黑;
}
.tool_part
{
height:20px;
vertical-align:top;
cursor:move;
}
.flow_area
{
100%;
}
</style>
</head>
<body>
<table width="480px" id="table1">
<tr>
<td class="td1">保存</td>
<td class="td2"></td>
<td class="td1">导入</td>
<td class="td2"></td>
<td class="td1" >导出</td>
<td class="td2"></td>
<td class="td1">保存退出</td>
<td class="td2"></td>
<td class="td1">删除</td>
<td class="td2"></td>
<td class="td1" >流程检测</td>
<td class="td2"></td>
</tr>
</table>
<div class="tool" >
<table>
<tr valign="top">
<td width="140px" id="tool_td">
<div class="div1">工具栏</div>
<br />
<div class="tool_part" type="next">
<img src="js/designer/images/48/flow_sequence.png"width="20px" /> 下一步
</div>
<br />
<div class="tool_part" type="back">
<img src="js/designer/images/48/flow_sequence.png"width="20px" /> 驳回
</div>
<br />
<hr width="140px" />
<div class="tool_part" type="start">
<img src="js/designer/images/48/start_event_empty.png"width="20px" /> 开始节点
</div>
<br />
<div class="tool_part" type="end">
<img src="js/designer/images/48/end_event_terminate.png"width="20px" /> 开始节点
</div>
<br />
<div class="tool_part" type="task1">
<img src="js/designer/images/48/task_empty.png"width="20px" /> 单项任务节点
</div>
<br />
<div class="tool_part" type="task2">
<img src="js/designer/images/48/task_empty_green.png"width="20px" /> 双向任务节点
</div>
<br />
<div class="tool_part" type="task3">
<img src="js/designer/images/48/task_empty_yellow.png"width="20px" /> 多条件任务节点
</div>
<br />
<div class="tool_part" type="judge">
<img src="js/designer/images/48/task_wait.png"width="20px" /> 判定条件
</div>
<br />
</td>
<td width="180px">
这里是预览图
</td>
<td width="100%">
<div class="flow_area" id="flow"></div>
</td>
</tr>
</table>
</div>
<div id="info"></div>
</body>
</html>
</span>
2）js代码
<span style="font-size:14px;">// JavaScript Document
//@Autor:Medivh
//@ firefox无法直接获取event事件所以有Bug
var paper;
$(function()
{
paper = new Raphael(document.getElementById("flow"),1800, 600);
$(".tool_part").each(function()
{
$(this).draggable({helper:"clone",cursor:'move'})
});
$("#flow").droppable({
accept:".tool_part",
drop:function(event,ui)
{
drawSvg(ui.helper.attr("type"),event.clientX,event.clientY);
}
});
})
function drawSvg(tool_type,x,y)
{
/*
**绘制start
*/
if("start"==tool_type)
{
console.log(tool_type)
var start = paper.image("js/designer/images/48/start_event_empty.png",x-184,y-75,48,48)
.attr({cursor:'pointer'})
.drag(function(){myMove()},function(){myStart()},function(){myEnd()});
var moveX,moveY;
var startId = start.id;
showStart(startId);
var myStart = function()
{
showStart(startId);
}
var myMove = function()
{
moveX = event.clientX-184;
moveY = event.clientY-75;
start.attr({x:moveX});
start.attr({y:moveY});
}
var myEnd = function()
{
moveX = event.clientX-184;
moveY = event.clientY-75;
start.attr({x:moveX});
start.attr({y:moveY});
}
start.dblclick(function()
{
if(confirm("确定删除此元素？"))
{
console.log(start.id)
var id = start.id;
if(document.getElementById(id+"start"))
{
$("#"+id+"start").css('display','none');
$("#"+id+"start").remove();
}
this.remove();
}
else{}
});
}
/*
*绘制end
*/
if("end"==tool_type)
{
console.log(tool_type)
var end = paper.image("js/designer/images/48/end_event_terminate.png",x-184,y-75,48,48)
.attr({cursor:'pointer'})
.drag(function(){myMove()},function(){myStart()},function(){myEnd()});
var moveX,moveY;
var endId = end.id;
showEnd(endId);
var myStart = function()
{
showEnd(endId);
}
var myMove = function()
{
moveX = event.clientX-184;
moveY = event.clientY-75;
end.attr({x:moveX});
end.attr({y:moveY});
}
var myEnd = function()
{
moveX = event.clientX-184;
moveY = event.clientY-75;
end.attr({x:moveX});
end.attr({y:moveY});
}
end.dblclick(function()
{
if(confirm("确定删除此元素？"))
{
console.log(end.id)
var id = end.id;
if(document.getElementById(id+"end"))
{
$("#"+id+"end").css('display','none');
$("#"+id+"end").remove();
}
this.remove();
}
else{}
});
}
/*
**绘制task1
*/
if("task1"==tool_type)
{
var task1 = paper.image("js/designer/images/48/task_empty.png",x-184,y-75,100,50)
.attr({cursor:'pointer'})
.drag(function(){myMove()},function(){myStart()},function(){myEnd()});
var realText = paper.text(x-140,y-50,'Task1').attr({'font-size':14,cursor:'pointer','font-family':'微软雅黑'}).click(function(){showTask1(task1Id,realTextId);});
var moveX,moveY;
var task1Id = task1.id;
var realTextId = realText.id;
showTask1(task1Id,realTextId);
var myMove = function()
{
moveX = event.clientX-184;
moveY = event.clientY-75;
task1.attr({x:moveX});
task1.attr({y:moveY});
realText.attr({x:(moveX+task1.attr("width")/2)});
realText.attr({y:(moveY+task1.attr("height")/2)});
}
var myStart = function()
{
moveX = event.clientX-184;
moveY = event.clientY-75;
showTask1(task1Id,realTextId);
}
var myEnd = function()
{
moveX = event.clientX-184;
moveY = event.clientY-75;
task1.attr({x:moveX});
task1.attr({y:moveY});
}
}
/*
**绘制task2
*/
if("task2"==tool_type)
{
var task2 = paper.image("js/designer/images/48/task_empty_green.png",x-184,y-75,100,50)
.attr({cursor:'pointer'})
.drag(function(){myMove()},function(){myStart()},function(){myEnd()});
var realText = paper.text(x-140,y-50,'Task2').attr({'font-size':14,cursor:'pointer','font-family':'微软雅黑'}).click(function(){showTask2(task2Id,realTextId);});
var moveX,moveY;
var task2Id = task2.id;
var realTextId = realText.id;
showTask2(task2Id,realTextId);
var myMove = function()
{
moveX = event.clientX-184;
moveY = event.clientY-75;
task2.attr({x:moveX});
task2.attr({y:moveY});
realText.attr({x:(moveX+task2.attr("width")/2)});
realText.attr({y:(moveY+task2.attr("height")/2)});
}
var myStart = function()
{
moveX = event.clientX-184;
moveY = event.clientY-75;
showTask2(task2Id,realTextId);
}
var myEnd = function()
{
moveX = event.clientX-184;
moveY = event.clientY-75;
task2.attr({x:moveX});
task2.attr({y:moveY});
}
}
/*
*绘制task3
*/
if("task3"==tool_type)
{
var task3 = paper.image("js/designer/images/48/task_empty_yellow.png",x-184,y-75,100,50)
.attr({cursor:'pointer'})
.drag(function(){myMove()},function(){myStart()},function(){myEnd()});
var realText = paper.text(x-140,y-50,'Task3').attr({'font-size':14,cursor:'pointer','font-family':'微软雅黑'}).click(function(){showTask3(task3Id,realTextId);});
var moveX,moveY;
var task3Id = task3.id;
var realTextId = realText.id;
showTask3(task3Id,realTextId);
var myMove = function()
{
moveX = event.clientX-184;
moveY = event.clientY-75;
task3.attr({x:moveX});
task3.attr({y:moveY});
realText.attr({x:(moveX+task3.attr("width")/2)});
realText.attr({y:(moveY+task3.attr("height")/2)});
}
var myStart = function()
{
moveX = event.clientX-184;
moveY = event.clientY-75;
showTask3(task3Id,realTextId);
}
var myEnd = function()
{
moveX = event.clientX-184;
moveY = event.clientY-75;
task3.attr({x:moveX});
task3.attr({y:moveY});
}
}
/*
*绘制judge
*/
if("judge"==tool_type)
{
console.log(tool_type)
var judge = paper.image("js/designer/images/48/task_wait.png",x-184,y-75,48,48)
.attr({cursor:'pointer'})
.drag(function(){myMove()},function(){myStart()},function(){myEnd()});
var moveX,moveY;
var judgeId = judge.id;
showJudge(judgeId);
var myStart = function()
{
showJudge(judgeId);
}
var myMove = function()
{
moveX = event.clientX-184;
moveY = event.clientY-75;
judge.attr({x:moveX});
judge.attr({y:moveY});
}
var myEnd = function()
{
moveX = event.clientX-184;
moveY = event.clientY-75;
judge.attr({x:moveX});
judge.attr({y:moveY});
}
judge.dblclick(function()
{
if(confirm("确定删除此元素？"))
{
console.log(judge.id)
var id = judge.id;
if(document.getElementById(id+"judge"))
{
$("#"+id+"judge").css('display','none');
$("#"+id+"judge").remove();
}
this.remove();
}
else{}
});
}
}
/**
*显示下方表单
**/
var newTime = (new Date).getTime();
//start文本
function showStart(startId)
{
$("#info div").each(function()
{
$(this).css('display','none');
});
if(document.getElementById(startId+"start"))
{
$("#"+startId+"start").css('display',"block");
}
else
{
var htmlStr = "<div id="+startId+"start ><table style=text-align:center>"+
"<tr><td > 属性： </td><td>权限设置</td></tr>"+
"<tr><td>开始编号：<input type=text value="+startId+"start readOnly /></td><td>注解：<input type=text value='' /></td></tr>"+
"</table></div>";
$("#info").append(htmlStr);
$("#"+startId+"start").css('display','block');
}
}
//end文本
function showEnd(endId)
{
$("#info div").each(function()
{
$(this).css('display','none');
});
if(document.getElementById(endId+"end"))
{
$("#"+endId+"end").css('display',"block");
}
else
{
var htmlStr = "<div id="+endId+"end ><table style=text-align:center>"+
"<tr><td > 属性： </td><td>权限设置</td></tr>"+
"<tr><td>开始编号：<input type=text value="+endId+"end readOnly /></td><td>注解：<input type=text value='' /></td></tr>"+
"</table></div>";
$("#info").append(htmlStr);
$("#"+endId+"end").css('display','block');
}
}
//task1文本
function showTask1(task1Id,textId)
{
$("#info div").each(function()
{
$(this).css('display','none');
});
if(document.getElementById(task1Id+"task1"))
{
$("#"+task1Id+"task1").css('display',"block");
}
else
{
var htmlStr = "<div id="+task1Id+"task1 ><table style=text-align:center>"+
"<tr><td > 属性： </td><td>权限设置</td></tr>"+
"<tr><td>开始编号：<input type=text value="+task1Id+"task1 readOnly /></td><td>显示名称：<input type=text value='' onblur=javascript:changeText('"+textId+"') id="+textId+"text /></td></tr>"+
"</table></div>";
$("#info").append(htmlStr);
$("#"+task1Id+"task1").css('display','block');
}
}
//task2
//task1文本
function showTask2(task2Id,textId)
{
$("#info div").each(function()
{
$(this).css('display','none');
});
if(document.getElementById(task2Id+"task2"))
{
$("#"+task2Id+"task2").css('display',"block");
}
else
{
var htmlStr = "<div id="+task2Id+"task2 ><table style=text-align:center>"+
"<tr><td > 属性： </td><td>权限设置</td></tr>"+
"<tr><td>开始编号：<input type=text value="+task2Id+"task2 readOnly /></td><td>显示名称：<input type=text value='' onblur=javascript:changeText('"+textId+"') id="+textId+"text /></td></tr>"+
"</table></div>";
$("#info").append(htmlStr);
$("#"+task2Id+"task2").css('display','block');
}
}
//task3文本
function showTask3(task3Id,textId)
{
$("#info div").each(function()
{
$(this).css('display','none');
});
if(document.getElementById(task3Id+"task3"))
{
$("#"+task3Id+"task3").css('display',"block");
}
else
{
var htmlStr = "<div id="+task3Id+"task3 ><table style=text-align:center>"+
"<tr><td > 属性： </td><td>权限设置</td></tr>"+
"<tr><td>开始编号：<input type=text value="+task3Id+"task3 readOnly /></td><td>显示名称：<input type=text value='' onblur=javascript:changeText('"+textId+"') id="+textId+"text /></td></tr>"+
"</table></div>";
$("#info").append(htmlStr);
$("#"+task3Id+"task3").css('display','block');
}
}
//judge文本
function showJudge(judgeId)
{
$("#info div").each(function()
{
$(this).css('display','none');
});
if(document.getElementById(judgeId+"judge"))
{
$("#"+judgeId+"judge").css('display',"block");
}
else
{
var htmlStr = "<div id="+judgeId+"judge ><table style=text-align:center>"+
"<tr><td > 属性： </td><td>权限设置</td></tr>"+
"<tr><td>开始编号：<input type=text value="+judgeId+"judge readOnly /></td><td>注解：<input type=text value='' /></td></tr>"+
"</table></div>";
$("#info").append(htmlStr);
$("#"+judgeId+"judge").css('display','block');
}
}
/*
*修改文本域内容
*/
function changeText(text_id)
{
var text_value = document.getElementById(text_id+"text").value;
var element = paper.getById(text_id);
element.attr({text:text_value});
}</span>
3）示例如参见：
4）项目免费下载地址如下：
http://download.csdn.net/detail/wow4464/7523117