当前位置: 首页 > 图文教程 > 网络编程 > Javascript > 可拖动窗口,附带鼠标控制渐变透明,开启关闭功能

Javascript
Jquery 基础学习笔记
javascript 进度条的几种方法
Jquery中的offset()和position()深入剖析
基于Jquery 好友选择器V2.0
AJAX 仿EXCEL表格功能
网页和浏览器兼容性问题汇总(draft1)
JAVASCRIPT 点击显示 隐藏层
jQuery 学习 几种常用方法
JavaScript 动态改变图片大小
javascript 树控件 比较好用
Javascript Tab 导航插件 (23个)
JavaScript talbe表中指定位置插入一行的实现代码 修正版
js 操作css实现代码
Javascript 错误处理的几种方法
FireFox JavaScript全局Event对象
jquery.alert 弹出式复选框实现代码
jQuery Ajax文件上传(php)
jquery 上下滚动广告
JS 拼图游戏 面向对象,注释完整。
javascript 控制图片播放代码

Javascript 中的 可拖动窗口,附带鼠标控制渐变透明,开启关闭功能


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-10-12   浏览: 233 ::
收藏到网摘: n/a

<style type="text/css">
<!--
#Layer1 {
position:absolute;
width:210px;
height:160px;
z-index:1;
left: 178px;
top: 322px;
background-color: #FFFBF0;
}
#content {
position:absolute;
width:200px;
height:115px;
z-index:1;
left: 0px;
top: 27px;
border: 1px solid #666666;
}
#bar {
position:absolute;
width:200px;
height:25px;
z-index:2;
background-color: #00FF33;
left: 0px;
top: 0px;
}
#but_1 {
position:absolute;
width:14px;
height:14px;
z-index:3;
left: 183px;
top: 6px;
overflow: hidden;
background-color: #333333;
}
#but_2 {
position:absolute;
width:10px;
height:10px;
z-index:4;
left: 164px;
top: 6px;
background-color: #00FF33;
border: 2px solid #666666;
overflow: hidden;
}
-->
</style>
<script type="text/JavaScript">
<!--
function MM_findObj(n, d) { //v4.01
var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_scanStyles(obj, prop) { //v8.0
var inlineStyle = null; var ccProp = prop; var dash = ccProp.indexOf("-");
while (dash != -1){ccProp = ccProp.substring(0, dash) + ccProp.substring(dash+1,dash+2).toUpperCase() + ccProp.substring(dash+2); dash = ccProp.indexOf("-");}
inlineStyle = eval("obj.style." + ccProp);
if(inlineStyle) return inlineStyle;
var ss = document.styleSheets;
for (var x = 0; x < ss.length; x++) { var rules = ss[x].cssRules;
for (var y = 0; y < rules.length; y++) { var z = rules[y].style;
if(z[prop] && (rules[y].selectorText == '*[ID"' + obj.id + '"]')) {
return z[prop];
} } } return "";
}

function MM_getProp(obj, prop) { //v8.0
if (!obj) return ("");
if (prop == "L") return obj.offsetLeft;
else if (prop == "T") return obj.offsetTop;
else if (prop == "W") return obj.offsetWidth;
else if (prop == "H") return obj.offsetHeight;
else {
if (typeof(window.getComputedStyle) == "undefined") {
if (typeof(obj.currentStyle) == "undefined"){
if (prop == "P") return MM_scanStyles(obj,"position");
else if (prop == "Z") return MM_scanStyles(obj,"z-index");
else if (prop == "V") return MM_scanStyles(obj,"visibility");
} else {
if (prop == "P") return obj.currentStyle.position;
else if (prop == "Z") return obj.currentStyle.zIndex;
else if (prop == "V") return obj.currentStyle.visibility;
}
} else {
if (prop == "P") return window.getComputedStyle(obj,null).getPropertyValue("position");
else if (prop == "Z") return window.getComputedStyle(obj,null).getPropertyValue("z-index");
else if (prop == "V") return window.getComputedStyle(obj,null).getPropertyValue("visibility");
}
}
}

function MM_dragLayer(objName,x,hL,hT,hW,hH,toFront,dropBack,cU,cD,cL,cR,targL,targT,tol,dropJS,et,dragJS) { //v8.0
//Copyright 2005 Macromedia, Inc. All rights reserved.
var i,j,aLayer,retVal,curDrag=null,curLeft,curTop,IE=document.all,NS4=document.layers;
var NS6=(!IE&&document.getElementById), NS=(NS4||NS6); if (!IE && !NS) return false;
retVal = true; if(IE && event) event.returnValue = true;
if (MM_dragLayer.arguments.length > 1) {
curDrag = MM_findObj(objName); if (!curDrag) return false;
if (!document.allLayers) { document.allLayers = new Array();
with (document) if (NS4) { for (i=0; i<layers.length; i++) allLayers[i]=layers[i];
for (i=0; i<allLayers.length; i++) if (allLayers[i].document && allLayers[i].document.layers)
with (allLayers[i].document) for (j=0; j<layers.length; j++) allLayers[allLayers.length]=layers[j];
} else {
if (NS6) { var spns = getElementsByTagName("span"); var all = getElementsByTagName("div");
for (i=0;i<spns.length;i++) if (MM_getProp(spns[i],'P')) allLayers[allLayers.length]=spns[i];}
for (i=0;i<all.length;i++) {
if (NS4){if (all[i].style&&all[i].style.position) allLayers[allLayers.length]=all[i];}
else if (MM_getProp(all[i],'P')) allLayers[allLayers.length]=all[i];
}
} }
curDrag.MM_dragOk=true; curDrag.MM_targL=targL; curDrag.MM_targT=targT;
curDrag.MM_tol=Math.pow(tol,2); curDrag.MM_hLeft=hL; curDrag.MM_hTop=hT;
curDrag.MM_hWidth=hW; curDrag.MM_hHeight=hH; curDrag.MM_toFront=toFront;
curDrag.MM_dropBack=dropBack; curDrag.MM_dropJS=dropJS;
curDrag.MM_everyTime=et; curDrag.MM_dragJS=dragJS;
curDrag.MM_oldZ = (NS4)?curDrag.zIndex:MM_getProp(curDrag,'Z');
curLeft= (NS4)?curDrag.left:MM_getProp(curDrag,'L');
if (String(curLeft)=="NaN") curLeft=0; curDrag.MM_startL = curLeft;
curTop = (NS4)?curDrag.top:MM_getProp(curDrag,'T');
if (String(curTop)=="NaN") curTop=0; curDrag.MM_startT = curTop;
curDrag.MM_bL=(cL<0)?null:curLeft-cL; curDrag.MM_bT=(cU<0)?null:curTop-cU;
curDrag.MM_bR=(cR<0)?null:curLeft+cR; curDrag.MM_bB=(cD<0)?null:curTop+cD;
curDrag.MM_LEFTRIGHT=0; curDrag.MM_UPDOWN=0; curDrag.MM_SNAPPED=false; //use in your JS!
document.onmousedown = MM_dragLayer; document.onmouseup = MM_dragLayer;
if (NS) document.captureEvents(Event.MOUSEDOWN|Event.MOUSEUP);
} else {
var theEvent = ((NS)?objName.type:event.type);
if (theEvent == 'mousedown') {
var mouseX = (NS)?objName.pageX : event.clientX + document.body.scrollLeft;
var mouseY = (NS)?objName.pageY : event.clientY + document.body.scrollTop;
var maxDragZ=null; document.MM_maxZ = 0;
for (i=0; i<document.allLayers.length; i++) { aLayer = document.allLayers[i];
var aLayerZ = (NS4)?aLayer.zIndex:MM_getProp(aLayer,'Z');
if (aLayerZ > document.MM_maxZ) document.MM_maxZ = aLayerZ;
var isVisible = ((NS4)?aLayer.visibility:MM_getProp(aLayer,'V')).indexOf('hid') == -1;
if (aLayer.MM_dragOk != null && isVisible) with (aLayer) {
var parentL=0; var parentT=0;
if (NS6) { parentLayer = aLayer.parentNode;
while (parentLayer != null && parentLayer != document && MM_getProp(parentLayer,'P')) {
parentL += parseInt(MM_getProp(parentLayer,'L')); parentT += parseInt(MM_getProp(parentLayer,'T'));
parentLayer = parentLayer.parentNode;
if (parentLayer==document) parentLayer = null;
} } else if (IE) { parentLayer = aLayer.parentElement;
while (parentLayer != null && MM_getProp(parentLayer,'P')) {
parentL += MM_getProp(parentLayer,'L'); parentT += MM_getProp(parentLayer,'T');
parentLayer = parentLayer.parentElement; } }
var tmpX=mouseX-((NS4)?pageX:(MM_getProp(aLayer,'L'))+parentL+MM_hLeft);
var tmpY=mouseY-((NS4)?pageY:(MM_getProp(aLayer,'T'))+parentT+MM_hTop);
if (String(tmpX)=="NaN") tmpX=0; if (String(tmpY)=="NaN") tmpY=0;
var tmpW = MM_hWidth; if (tmpW <= 0) tmpW += (NS4)?clip.width:MM_getProp(aLayer,'W');
var tmpH = MM_hHeight; if (tmpH <= 0) tmpH += (NS4)?clip.height:MM_getProp(aLayer,'H');
if ((0 <= tmpX && tmpX < tmpW && 0 <= tmpY && tmpY < tmpH) && (maxDragZ == null
|| maxDragZ <= aLayerZ)) { curDrag = aLayer; maxDragZ = aLayerZ; } } }
if (curDrag) {
document.onmousemove = MM_dragLayer; if (NS4) document.captureEvents(Event.MOUSEMOVE);
curLeft = (NS4)?curDrag.left:MM_getProp(curDrag,'L');
curTop = (NS4)?curDrag.top:MM_getProp(curDrag,'T');
if (String(curLeft)=="NaN") curLeft=0; if (String(curTop)=="NaN") curTop=0;
MM_oldX = mouseX - curLeft; MM_oldY = mouseY - curTop;
document.MM_curDrag = curDrag; curDrag.MM_SNAPPED=false;
if(curDrag.MM_toFront) {
var newZ = parseInt(document.MM_maxZ)+1;
eval('curDrag.'+((NS4)?'':'style.')+'zIndex=newZ');
if (!curDrag.MM_dropBack) document.MM_maxZ++; }
retVal = false; if(!NS4&&!NS6) event.returnValue = false;
} } else if (theEvent == 'mousemove') {
if (document.MM_curDrag) with (document.MM_curDrag) {
var mouseX = (NS)?objName.pageX : event.clientX + document.body.scrollLeft;
var mouseY = (NS)?objName.pageY : event.clientY + document.body.scrollTop;
var newLeft = mouseX-MM_oldX; var newTop = mouseY-MM_oldY;
if (MM_bL!=null) newLeft = Math.max(newLeft,MM_bL);
if (MM_bR!=null) newLeft = Math.min(newLeft,MM_bR);
if (MM_bT!=null) newTop = Math.max(newTop ,MM_bT);
if (MM_bB!=null) newTop = Math.min(newTop ,MM_bB);
MM_LEFTRIGHT = newLeft-MM_startL; MM_UPDOWN = newTop-MM_startT;
if (NS4) {left = newLeft; top = newTop;}
else if (NS6){style.left = newLeft + "px"; style.top = newTop + "px";}
else {style.pixelLeft = newLeft; style.pixelTop = newTop;}
if (MM_dragJS) eval(MM_dragJS);
retVal = false; if(!NS) event.returnValue = false;
} } else if (theEvent == 'mouseup') {
document.onmousemove = null;
if (NS) document.releaseEvents(Event.MOUSEMOVE);
if (NS) document.captureEvents(Event.MOUSEDOWN); //for mac NS
if (document.MM_curDrag) with (document.MM_curDrag) {
if (typeof MM_targL =='number' && typeof MM_targT == 'number' &&
(Math.pow(MM_targL-((NS4)?left:MM_getProp(document.MM_curDrag,'L')),2)+
Math.pow(MM_targT-((NS4)?top:MM_getProp(document.MM_curDrag,'T')),2))<=MM_tol) {
if (NS4) {left = MM_targL; top = MM_targT;}
else if (NS6) {style.left = MM_targL + "px"; style.top = MM_targT + "px";}
else {style.pixelLeft = MM_targL; style.pixelTop = MM_targT;}
MM_SNAPPED = true; MM_LEFTRIGHT = MM_startL-MM_targL; MM_UPDOWN = MM_startT-MM_targT; }
if (MM_everyTime || MM_SNAPPED) eval(MM_dropJS);
if(MM_dropBack) {if (NS4) zIndex = MM_oldZ; else style.zIndex = MM_oldZ;}
retVal = false; if(!NS) event.returnValue = false; }
document.MM_curDrag = null;
}
if (NS) document.routeEvent(objName);
} return retVal;
}
//-->
</script>

<script>
<!--
// code by windy_sk
var timer=null;
var org_opacity=30;
var step=5;
var ext_time=30;

function doit(img,mode){
clearTimeout(timer);
if(img.style.filter.indexOf("alpha")==-1)img.style.filter+="alpha(opacity="+org_opacity+")";
var cur_level=img.filters.alpha.opacity;
if(mode){
cur_level+=step;
if(cur_level>100)cur_level=100;
}else{
cur_level-=step;
if(cur_level<org_opacity)cur_level=org_opacity;
}
img.filters.alpha.opacity=cur_level;
if(cur_level!=100 && cur_level!==ext_time)
timer=setTimeout("doit("+img.id+","+mode+")",ext_time)
}

function MM_showHideLayers() { //v6.0
var i,p,v,obj,args=MM_showHideLayers.arguments;
for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
obj.visibility=v; }
}
//-->
</script>
</head>

<body onload="MM_dragLayer('Layer1','',0,0,0,0,true,false,-1,-1,-1,-1,false,false,0,'',false,'')">

<body bgcolor="#FFFBF0">


<div id="Layer1" style="filter: alpha(opacity=30)" onmouseover=doit(this,true) onmouseout=doit(this,false) >
<div id="content"><img src="/img/common/logo.gif" name="test" width=90 height=27 border="0" id="test" /></div>
<div id="bar"></div>
<div id="but_1" onclick="MM_showHideLayers('content','','show')"></div>
<div id="but_2" onclick="MM_showHideLayers('content','','hide')"></div>
</div>