也写Jquery插件,拖动布局

 

  1 (function($){
  2     $.fn.lsMovePanel=function(){
  3         var id=this.attr("id");
  4         var X=Y=0;
  5         var offsetX=offsetY=0;//绝对位置
  6         var OldIndex=0;///存储原始索引
  7         var Temp_Li="<li id=\"Temp_Li\" style=\"background-color:#FFFFFF;border-color:#FF023C\"></li>";
  8         var Move_obj;///当前拖动的对象
  9         $("#"+id+" li").each(function(i){
 10             $(this).attr("open","0");
 11             //鼠标点击
 12             $(this).bind("mousedown",function(){
 13                 if(event.button==1 || event.button==0){$(this).attr("open","1");}
 14                 if($(this).attr("open")=="1"){
 15                     $(this).css({
 16                         cursor:"move",
 17                         opacity:"0.7"
 18                     });
 19                     X=event.clientX;
 20                     Y=event.clientY;
 21                     offsetX=$(this).offset().left;
 22                     offsetY=$(this).offset().top;
 23                     OldIndex=$(this).index();
 24                     $(this).css({
 25                         position:"absolute",
 26                         left:offsetX,
 27                         top:offsetY
 28                     });
 29                     $("#"+id+" li").each(function(i){
 30                         if(i==OldIndex){
 31                             $(this).after(Temp_Li);
 32                         }
 33                     })
 34                 }
 35             });
 36             //鼠标放开
 37             $(this).bind("mouseup",function(){
 38                 if(event.button==1 || event.button==0){$(this).attr("open","0");}
 39                 if($(this).attr("open")=="0"){
 40                     $("#Temp_Li").before($(this));
 41                     $(this).animate({
 42                         left:$("#Temp_Li").offset().left,
 43                         top:$("#Temp_Li").offset().top,
 44                     },300,function(){
 45                         $("#Temp_Li").remove();
 46                         $(this).css({
 47                             cursor:"default",
 48                             opacity:"1",
 49                             position:"static"
 50                         });
 51                     });
 52                     $("#"+id+" li").each(function(i){
 53                             $(this).css({
 54                                 "border-color":"#666666"
 55                             });
 56                     });
 57                 }
 58             });
 59             //移动
 60             $(this).bind("mousemove",function(){
 61                 if($(this).attr("open")=="1"){
 62                 var current_X=current_Y=0;
 63                     current_X=offsetX+event.clientX-X;
 64                     current_Y=offsetY+event.clientY-Y;
 65                     $(this).css({
 66                         position:"absolute",
 67                         left:current_X,
 68                         top:current_Y
 69                     });
 70                     Move_obj=this;
 71                     $("#"+id+" li").each(function(i){
 72                         if(i!=OldIndex && $(this).attr("id")!="Temp_Li"){
 73                             var Deviation=0;
 74                             var Max_X=$(this).offset().left+$(this).width()-Deviation;
 75                             var Min_X=$(this).offset().left+Deviation;
 76                             var Max_Y=$(this).offset().top+$(this).height()-Deviation;
 77                             var Min_Y=$(this).offset().top+Deviation;
 78                             if((event.clientX    <    Max_X)  && (event.clientY+$(Move_obj).height()    >    Max_Y) && (event.clientY+$(Move_obj).height()    >    Min_Y) && (event.clientX    >    Min_X) && (event.clientY    <    Max_Y)  ){
 79                                 $(this).css({
 80                                     "border-color":"#FF7578"
 81                                 });
 82                                 //判断覆盖对象索引值在前还是后
 83                                 if(OldIndex>$(this).index()){
 84                                     $("#Temp_Li").before($(this));
 85                                     $("#Temp_Li").remove();
 86                                     $(this).before(Temp_Li);
 87                                 }else{
 88                                     $("#Temp_Li").after($(this));
 89                                     $("#Temp_Li").remove();
 90                                     $(this).after(Temp_Li);
 91                                 }
 92                             }else{
 93                                 $(this).css({
 94                                     "border-color":"#666666"
 95                                 });
 96 
 97                             }
 98 
 99                         }
100                         
101                     })
102                 }
103             });
104         });
105     }
106 })(jQuery);

调用例子:

View Code

 1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 2 <html xmlns="http://www.w3.org/1999/xhtml">
 3 <head>
 4 <meta http-equiv="Content-Type" content="text/html; charset=gb2312"/>
 5 <title></title>
 6 <style>
 7 #Panel{
 8     width:630px;
 9     height:auto;
10     padding:0px;
11 }
12 #Panel li{
13     float:left;
14     list-style:none;
15     width:300px; 
16     height:100px;
17     margin:5px;
18     background-color:#D9F1FF;
19     border:1px dotted #666666;
20     text-align:center; position:static; 
21 }
22 *{
23 font-size:12px;
24 }
25 </style>
26 </head>
27 <script src="http://files.cnblogs.com/lsmayday/jquery-1.4.2.min.js"></script>
28 <script src="http://files.cnblogs.com/lsmayday/lsMovePanel.js"></script>
29 <body>
30 <div style="margin-left:100px;">
31 
32     <ul id="Panel">
33         <li style="background-color:#3399FF"></li>
34         <li style="background-color:#00CCFF"></li>
35         <li style="background-color:#CC9900"></li>
36         <li style="background-color:#FF6600"></li>
37         <li style="background-color:#FFCC99"></li>
38     </ul>
39 
40 </div>
41 
42 
43 <script>
44 $("#Panel").lsMovePanel();
45 </script>
46 </body>
47 </html>

<!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> <title></title> </head> <style> #Panel{ width:630px; height:auto; padding:0px; } #Panel li{ float:left; list-style:none; width:300px; height:100px; margin:5px; background-color:#D9F1FF; border:1px dotted #666666; text-align:center; position:static; } *{ font-size:12px; } </style> <script src="http://files.cnblogs.com/lsmayday/jquery-1.4.2.min.js"></script> <script src="http://files.cnblogs.com/lsmayday/lsMovePanel.js"></script> <body> <div style="margin-left:100px;"> <ul id="Panel"> <li style="background-color:#3399FF"></li> <li style="background-color:#00CCFF"></li> <li style="background-color:#CC9900"></li> <li style="background-color:#FF6600"></li> <li style="background-color:#FFCC99"></li> </ul> </div> <script> $("#Panel").lsMovePanel(); </script> </body> </html> 点我运行