JavaScript实现AJAX的拖动效果

2008-02-23 07:56:51来源：互联网阅读 ()

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>drag layer</title> <style> body,table{color:#000000; font-size:12px; } div.div_one{} .dragBar{color:#FFFFFF; font-weight:bold} </style> <script language="javascript" defer> /*written by joelee@51js */ var tmpElement=null; var dragElement=null; var downX,downY,tmp_o_x,tmp_o_y; var refElement=null; var dragActive=0; var draging=0; function readyDrag(){ dragActive=1; if(event.srcElement.tagName!="DIV") return; dragElement=event.srcElement.parentNode; tmpElement=dragElement.cloneNode(true); tmpElement.style.filter="alpha(opacity=90)"; tmpElement.style.zIndex=2; dragElement.style.zIndex=1; tmpElement.style.position="absolute"; if(dragElement.parentNode.tagName!="BODY"){ dragElement.style.left=dragElement.offsetLeft dragElement.parentNode.style.pixelLeft; dragElement.style.top=dragElement.offsetTop dragElement.parentNode.style.pixelTop; } downX=event.clientX; downY=event.clientY; tmp_o_x=dragElement.style.pixelLeft; tmp_o_y=dragElement.style.pixelTop; tmpElement.style.visibility="hidden"; document.body.appendChild(tmpElement); document.onmousemove=startDrag; } document.onmouseup=endDrag; function startDrag(){ if(dragActive==1&&event.button==1&&dragElement!=null&&tmpElement!=null){ tmpElement.style.visibility="visible"; tmpElement.style.left=tmp_o_x event.clientX-downX; tmpElement.style.top=tmp_o_y event.clientY-downY; dragElement.style.backgroundColor="#CCCCCC"; document.body.style.cursor="move"; draging=1; } } function endDrag(){ if(dragActive==1&&tmpElement!=null){ if(draging==1){ dragElement.removeNode(true); draging=0; } tmpElement.style.filter="alpha(opacity=100)"; tmpElement.style.zIndex=1; document.body.style.cursor="default"; if(refElement!=null&&refElement.parentNode!=null&&refElement.parentNode.tagName!="BODY"){ tmpElement.style.width=refElement.parentNode.style.width; tmpElement.style.position=""; refElement.parentNode.insertBefore(tmpElement,refElement); } } dragElement=null; tmpElement=null; dragActive=0; } function readyInsert(){ if(dragActive==1){ var element=event.srcElement; if(element==dragElement)return; if(element.tagName!="DIV") return; if(element.className=="dragBar"||element.className=="textSheet"||element.className=="blankBar") element=element.parentNode; element.style.backgroundColor="#CCCCCC"; element.style.filter="alpha(opacity=50)"; refElement=element; } } function failInsert(){ var element=event.srcElement; if(element.tagName!="DIV") return; try{ if(element.className=="dragBar"||element.className=="textSheet"||element.className=="blankBar") element=element.parentNode; }catch(e){} element.style.filter="alpha(opacity=100)"; element.style.backgroundColor="#FFFFFF"; refElement=null; } document.onselectstart=function(){return false} </script> </head> <body> <div id="div_one" class="div_one" style="position:absolute; left:116px; top:137px; width:433px; z-index:1; background-color: #FFFFFF; layer-background-color: #FFFFFF;" onMouseOver="readyInsert()" onMouseOut="failInsert()"> <div onMouseDown="readyDrag()" style="cursor:move; border:1px solid #996666; background-color:#996666; height:20px" name="dragDIV" class="dragBar"><img src="snap_icon.gif" width="16" height="16">Window</div> <div class="textSheet" style="border:1px solid #996666;">Content<br> Content<br> Content<br> Content <br> </div> <div class="blankBar" style="height:10px"></div></div> <div id="grid1" style="position:absolute; left:534px; top:37px; width:336px; height:15px; z-index: 100; visibility: visible;"> <div style="height:20px;z-index:2;" onMouseOver="readyInsert()" onMouseOut="failInsert();">把层拖动到这儿</div> </div> <div id="grid2" style="position:absolute; left:20px; top:40px; width:494px; height:15px; z-index: 100; visibility: visible;"> <div style="height:20px;z-index:2; background-image:url()" onMouseOver="readyInsert()" onMouseOut="failInsert();">把层拖动到这儿</div> </div> <div id="div_one" class="div_one" style="position:absolute; left:204px; top:277px; width:433px; z-index:1; background-color: #FFFFFF; layer-background-color: #FFFFFF;" onMouseOver="readyInsert()" onMouseOut="failInsert()"> <div onMouseDown="readyDrag()" style="cursor:move; border:1px solid #996666; background-color:#996666; height:20px" name="dragDIV" class="dragBar"><img src="snap_icon.gif" width="16" height="16">BBS</div> <div class="textSheet" style="border:1px solid #996666;">Content</div> <div class="blankBar" style="height:10px"></div> </div> <div id="div_one" class="div_one" style="position:absolute; left:561px; top:195px; width:433px; z-index:1; background-color: #FFFFFF; layer-background-color: #FFFFFF;" onMouseOver="readyInsert()" onMouseOut="failInsert()"> <div onMouseDown="readyDrag()" style="cursor:move; border:1px solid #996666; background-color:#996666; height:20px" name="dragDIV" class="dragBar"><img src="snap_icon.gif" width="16" height="16">Log</div> <div class="textSheet" style="border:1px solid #996666;">Content<br> Content<br> Content <br> Content<br> </div> <div class="blankBar" style="height:10px"></div> </div> <div id="div_one" class="div_one" style="position:absolute; left:438px; top:74px; width:433px; z-index:1; background-color: #FFFFFF; layer-background-color: #FFFFFF;" onMouseOver="readyInsert()" onMouseOut="failInsert()"> <div onMouseDown="readyDrag()" style="cursor:move; border:1px solid #996666; background-color:#996666; height:20px" name="dragDIV" class="dragBar"><img src="snap_icon.gif" width="16" height="16">Worker</div> <div class="textSheet" style="border:1px solid #996666;">Content</div> <div class="blankBar" style="height:10px"></div> </div> <div id="div_one" class="div_one" style="position:absolute; left:206px; top:406px; width:433px; z-index:1; background-color: #FFFFFF; layer-background-color: #FFFFFF;" onMouseOver="readyInsert()" onMouseOut="failInsert()"> <div onMouseDown="readyDrag()" style="cursor:move; border:1px solid #996666; background-color:#996666; height:20px" name="dragDIV" class="dragBar"><img src="snap_icon.gif" width="16" height="16">Tools</div> <div class="textSheet" style="border:1px solid #996666;">Content</div> <div class="blankBar" style="height:10px"></div> </div> </body> </html> <p class="article-con-biaoqian mt-20"> <span>标签：</span> </p> <p class="banquan">版权申明：本站文章部分自网络，如有侵权，请联系：west999com@outlook.com<br/> 特别注意：本站所有转载文章言论不代表本站观点，本站所提供的摄影照片，插画，设计作品，如需使用，请与原作者联系，版权归原作者所有 </p> </div> <a href="https://love.4c.cn/" target="_blank"><img src="http://www.west999.com/www/wp-content/uploads/2019/10/-20" alt=""/></a> <div class="other-article mt-10 font14"> <p><span class="mr-20">上一篇：<a href='/info/html/wangyezhizuo/Javascript/20080224/33889.html'>最常用的10个javascript自定义函数</a> </span></p> <p><span class="mr-20">下一篇：<a href='/info/html/wangyezhizuo/Javascript/20080224/33893.html'>JS的package/import机制的考察提纲</a> </span></p> </div> <div 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