jQuery + Flex 通过拖拽方式动态改变图片的代码

代码如下：

function init() { 
if(swfobject.hasFlashPlayerVersion("10")){ 
var flashvars = {}; 
flashvars.xmlPath = "coffee"; 
flashvars.name = "coffee"; 
var params = {}; 
params.quality = "high"; 
params.wmode = "transparent"; 
var attributes = {}; 
attributes.id = "swf_editer"; 
swfobject.embedSWF("../img/swf/PhotoEditer2.swf","editarea","670","690","10.3" 
,"../img/swf/playerProductInstall.swf",flashvars,params,attributes); 
$( ".draggable" ).draggable({ revert: true, helper: "clone" }); 
$("body").bind("mousemove",getListener); 
} 
} 
var srcName = ""; 
var currentX = 0; 
var currentY = 0; 
var currentTop = 0; 
function setImgLocal(srcName) { 
bindDroppable(); 
this.srcName = srcName ; 
} 
function changeSwfImg() { 
if(srcName === "" || srcName === null){ 
return ; 
} 
var swf = swfobject.getObjectById("swf_editer"); 
var swfCoord = getSwfCoord(); 
var dom = {}; 
dom.name = srcName; 
dom.changeFlg = 0; 
//********************************* 
var tmp1 = swfCoord.domY - 0; 
tmp2 = swfCoord.domHeight - 220; 
//********************************* 
if((currentTop + currentY) > (swfCoord.domY + 100) 
&& (currentTop + currentY) < (tmp1 + tmp2)) 
{ 
dom.changeFlg = currentX - swfCoord.domX < swfCoord.domWidth/2 ? 1 : 2; 
} 
swf.FlexManager(dom); 
} 
function bindDroppable() { 
$("#swf_editer").droppable({ 
accept: "#dv_draggables img", 
drop: function(event, ui) { 
changeSwfImg(); 
} 
}); 
} 
function getListener(event) { 
currentX = event.clientX; 
currentY = event.clientY; 
currentTop = document.documentElement.scrollTop ; 
} 
function getSwfCoord() { 
var swf = swfobject.getObjectById("swf_editer"); 
var dom = {}; 
dom.domX = 0 , dom.domY = 0; 
dom.domWidth = swf.width; 
dom.domHeight = swf.height; 
while(swf.offsetParent) { 
dom.domX += swf.offsetLeft; 
dom.domY += swf.offsetTop; 
swf = swf.offsetParent; 
} 
return dom; 
}