据说是Google首页的网页模块拖动代码_布局与层

来源：动视网责编：小采时间：2020-11-27 20:55:08

据说是Google首页的网页模块拖动代码_布局与层

据说是Google首页的网页模块拖动代码_布局与层: 据说是Google首页的网页模块拖动代码 var Common = { getEvent: function() {//ie/ff if (document.all) { return window.event; } func = getEvent.caller; while (func != null) { var arg0 = f

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导读据说是Google首页的网页模块拖动代码_布局与层: 据说是Google首页的网页模块拖动代码 var Common = { getEvent: function() {//ie/ff if (document.all) { return window.event; } func = getEvent.caller; while (func != null) { var arg0 = f

<html xmlns="http://www.w3.org/1999/xhtml" > 
<head> 
<title>据说是Google首页的网页模块拖动代码</title> 
 
var Common = { 
getEvent: function() {//ie/ff 
if (document.all) { 
return window.event; 
} 
func = getEvent.caller; 
while (func != null) { 
var arg0 = func.arguments[0]; 
if (arg0) { 
if ((arg0.constructor == Event || arg0.constructor == MouseEvent) || (typeof (arg0) == "object" && arg0.preventDefault && arg0.stopPropagation)) { 
return arg0; 
} 
} 
func = func.caller; 
} 
return null; 
}, 
getMousePos: function(ev) { 
if (!ev) { 
ev = this.getEvent(); 
} 
if (ev.pageX || ev.pageY) { 
return { 
x: ev.pageX, 
y: ev.pageY 
}; 
}

if (document.documentElement && document.documentElement.scrollTop) { 
return { 
x: ev.clientX + document.documentElement.scrollLeft - document.documentElement.clientLeft, 
y: ev.clientY + document.documentElement.scrollTop - document.documentElement.clientTop 
}; 
} 
else if (document.body) { 
return { 
x: ev.clientX + document.body.scrollLeft - document.body.clientLeft, 
y: ev.clientY + document.body.scrollTop - document.body.clientTop 
}; 
} 
}, 
getElementPos: function(el) { 
el = this.getItself(el); 
var _x = 0, _y = 0; 
do { 
_x += el.offsetLeft; 
_y += el.offsetTop; 
} while (el = el.offsetParent); 
return { x: _x, y: _y }; 
}, 
getItself: function(id) { 
return "string" == typeof id ? document.getElementById(id) : id; 
}, 
getViewportSize: { w: (window.innerWidth) ? window.innerWidth : (document.documentElement && document.documentElement.clientWidth) ? document.documentElement.clientWidth : (document.body?document.body.offsetWidth:0), h: (window.innerHeight) ? window.innerHeight : (document.documentElement && document.documentElement.clientHeight) ? document.documentElement.clientHeight : (document.body ? document.body.offsetHeight : 0) }, 
isIE: document.all ? true : false, 
setOuterHtml: function(obj, html) { 
var Objrange = document.createRange(); 
obj.innerHTML = html; 
Objrange.selectNodeContents(obj); 
var frag = Objrange.extractContents(); 
obj.parentNode.insertBefore(frag, obj); 
obj.parentNode.removeChild(obj); 
}, 
firstChild: function(parentObj, tagName) { 
if (Common.isIE) { 
return parentObj.firstChild; 
} 
else { 
var arr = parentObj.getElementsByTagName(tagName); 
return arr[0]; 
} 
}, 
lastChild: function(parentObj, tagName) { 
if (Common.isIE) { 
return parentObj.lastChild; 
} 
else { 
var arr = parentObj.getElementsByTagName(tagName); 
return arr[arr.length - 1]; 
} 
}, 
setCookie: function(name, value) { 
document.cookie = name + "=" + value; 
}, 
getCookie: function(name) { 
var strCookie = document.cookie; 
var arrCookie = strCookie.split("; "); 
for (var i = 0; i < arrCookie.length; i++) { 
var arr = arrCookie[i].split("="); 
if (!arr[1]) { 
return ""; 
} 
if (arr[0] == name) { 
return arr[1]; 
} 
} 
return ""; 
}, 
delCookie: function(name) { 
var exp = new Date(); 
exp.setTime(exp.getTime() - 1); 
var cval = this.getCookie(name); 
if (cval != null) document.cookie = name + "=" + cval + ";expires=" + exp.toGMTString(); 
} 
}

///------------------------------------------------------------------------------------------------------ 
var Class = { 
create: function() { 
return function() { this.init.apply(this, arguments); } 
} 
} 
var Drag = Class.create(); 
Drag.prototype = { 
init: function(titleBar, dragDiv, Options) { 
//设置点击是否透明，默认透明60% 
titleBar = Common.getItself(titleBar); 
dragDiv = Common.getItself(dragDiv); 
this.dragArea = { maxLeft: -9999, maxRight: 9999, maxTop: -9999, maxBottom: 9999 }; 
if (Options) { 
this.opacity = Options.opacity ? (isNaN(parseInt(Options.opacity)) ? 100 : parseInt(Options.opacity)) : 100; 
if (Options.area) { 
if (Options.area.left && !isNaN(parseInt(Options.area.left))) { this.dragArea.maxLeft = Options.area.left }; 
if (Options.area.right && !isNaN(parseInt(Options.area.right))) { this.dragArea.maxRight = Options.area.right }; 
if (Options.area.top && !isNaN(parseInt(Options.area.top))) { this.dragArea.maxTop = Options.area.top }; 
if (Options.area.bottom && !isNaN(parseInt(Options.area.bottom))) { this.dragArea.maxBottom = Options.area.bottom }; 
} 
} 
else { 
this.opacity = 60; 
} 
this.originDragDiv = null; 
this.tmpX = 0; 
this.tmpY = 0; 
this.moveable = false; 
this.dragArray = [];

var dragObj = this; 
var dragTbl = document.getElementById("dragTable");

titleBar.onmousedown = function(e) { 
var ev = e || window.event || Common.getEvent(); 
//只允许通过鼠标左键进行拖拽,IE鼠标左键为1 FireFox为0 
if (Common.isIE && ev.button == 1 || !Common.isIE && ev.button == 0) { 
} 
else { 
return false; 
}

//处理特殊情况：在最上/下面MOVE时不碰到现有DIV的情况下，又回到起始拖拽的列最上/下方 
var tmpColId; 
for (c = 0; c < dragTbl.rows[0].cells.length; c++) { 
for (k = 0; k < dragTbl.rows[0].cells[c].getElementsByTagName("DIV").length; k++) { 
if (dragDiv.id == dragTbl.rows[0].cells[c].getElementsByTagName("DIV")[k].id) { 
tmpColId = c; 
break; 
} 
} 
} 
var tmpPosFirstChild = Common.getElementPos(Common.firstChild(dragTbl.rows[0].cells[tmpColId], "DIV")); 
var tmpPosLastChild = Common.getElementPos(Common.lastChild(dragTbl.rows[0].cells[tmpColId], "DIV")); 
var tmpObj = { colId: tmpColId, firstChildUp: tmpPosFirstChild.y, lastChildDown: tmpPosLastChild.y + Common.lastChild(dragTbl.rows[0].cells[tmpColId], "DIV").offsetHeight };

//保存当前可拖拽各容器的所在位置 
dragObj.dragArray = dragObj.RegDragsPos();

//插入虚线框 
var dashedElement = document.createElement("div"); 
dashedElement.style.cssText = dragDiv.style.cssText; 
dashedElement.style.border = " dashed 2px #aaa "; 
dashedElement.style.marginBottom = "6px"; 
dashedElement.style.width = dragDiv.offsetWidth - 2 * parseInt(dashedElement.style.borderWidth) + "px"; //减去boderWidth使虚线框大小保持与dragDiv一致 
dashedElement.style.height = dragDiv.offsetHeight - 2 * parseInt(dashedElement.style.borderWidth) + "px"; //加上px 保证FF正确 
dashedElement.style.position = "relative"; 
if (dragDiv.nextSibling) { 
dragDiv.parentNode.insertBefore(dashedElement, dragDiv.nextSibling); 
} 
else { 
dragDiv.parentNode.appendChild(dashedElement); 
} 
//拖动时变为absolute 
dragDiv.style.width = dragDiv.offsetWidth + "px"; 
dragDiv.style.position = "absolute";

dragObj.moveable = true; 
dragDiv.style.zIndex = dragObj.GetZindex() + 1;

var downPos = Common.getMousePos(ev); 
dragObj.tmpX = downPos.x - dragDiv.offsetLeft; 
dragObj.tmpY = downPos.y - dragDiv.offsetTop;

if (Common.isIE) { 
dragDiv.setCapture(); 
} else { 
window.captureEvents(Event.mousemove); 
}

dragObj.SetOpacity(dragDiv, dragObj.opacity);

//FireFox 去除容器内拖拽图片问题 
if (ev.preventDefault) { 
ev.preventDefault(); 
ev.stopPropagation(); 
}

document.onmousemove = function(e) { 
if (dragObj.moveable) { 
var ev = e || window.event || Common.getEvent(); 
//IE 去除容器内拖拽图片问题 
if (document.all) //IE 
{ 
ev.returnValue = false; 
}

var movePos = Common.getMousePos(ev); 
dragDiv.style.left = Math.max(Math.min(movePos.x - dragObj.tmpX, dragObj.dragArea.maxRight), dragObj.dragArea.maxLeft) + "px"; 
dragDiv.style.top = Math.max(Math.min(movePos.y - dragObj.tmpY, dragObj.dragArea.maxBottom), dragObj.dragArea.maxTop) + "px";

var targetDiv = null; 
for (var k = 0; k < dragObj.dragArray.length; k++) { 
if (dragDiv == dragObj.dragArray[i]) { 
continue; 
}

if (movePos.x > dragObj.dragArray[k].PosLeft && movePos.x < dragObj.dragArray[k].PosLeft + dragObj.dragArray[k].PosWidth 
&& movePos.y > dragObj.dragArray[k].PosTop && movePos.y < dragObj.dragArray[k].PosTop + dragObj.dragArray[k].PosHeight 
) { 
targetDiv = document.getElementById(dragObj.dragArray[k].DragId); 
if (movePos.y < dragObj.dragArray[k].PosTop + dragObj.dragArray[k].PosHeight / 2) { 
//往上移 
dashedElement.style.width = targetDiv.offsetWidth - 2 * parseInt(dashedElement.style.borderWidth) + "px"; 
targetDiv.parentNode.insertBefore(dashedElement, targetDiv); 
} 
else { 
//往下移 
dashedElement.style.width = targetDiv.offsetWidth - 2 * parseInt(dashedElement.style.borderWidth) + "px"; 
if (targetDiv.nextSibling) { 
targetDiv.parentNode.insertBefore(dashedElement, targetDiv.nextSibling); 
} 
else { 
targetDiv.parentNode.appendChild(dashedElement); 
} 
} 
} 
}

for (j = 0; j < dragTbl.rows[0].cells.length; j++) { 
var startLeft = Common.getElementPos(dragTbl.rows[0].cells[j]).x; 
if (movePos.x > startLeft && movePos.x < startLeft + dragTbl.rows[0].cells[j].offsetWidth) { 
///列无DIV 
if (dragTbl.rows[0].cells[j].getElementsByTagName("div").length == 0) { 
dashedElement.style.width = dragTbl.rows[0].cells[j].offsetWidth - 2 * parseInt(dashedElement.style.borderWidth) + "px"; 
dragTbl.rows[0].cells[j].appendChild(dashedElement); 
} 
else { 
var posFirstChild = Common.getElementPos(Common.firstChild(dragTbl.rows[0].cells[j], "DIV")); 
var posLastChild = Common.getElementPos(Common.lastChild(dragTbl.rows[0].cells[j], "DIV")); 
//处理特殊情况：在最上/下面MOVE时不碰到现有DIV的情况下，又回到起始拖拽的列最上/下方 
var tmpUp, tmpDown; 
if (tmpObj.colId == j) { 
tmpUp = tmpObj.firstChildUp; 
tmpDown = tmpObj.lastChildDown; 
} 
else { 
tmpUp = posFirstChild.y; 
tmpDown = posLastChild.y + Common.lastChild(dragTbl.rows[0].cells[j], "DIV").offsetHeight; 
}

if (movePos.y < tmpUp) {///从最上面插入虚线框 
dashedElement.style.width = Common.firstChild(dragTbl.rows[0].cells[j], "DIV").offsetWidth - 2 * parseInt(dashedElement.style.borderWidth) + "px"; 
dragTbl.rows[0].cells[j].insertBefore(dashedElement, Common.firstChild(dragTbl.rows[0].cells[j], "DIV")); 
} 
else if (movePos.y > tmpDown) {///从最下面插入虚线框 
dashedElement.style.width = Common.lastChild(dragTbl.rows[0].cells[j], "DIV").offsetWidth - 2 * parseInt(dashedElement.style.borderWidth) + "px"; 
dragTbl.rows[0].cells[j].appendChild(dashedElement); 
}

} 
} 
} 
} 
};

};

} 
}, 
SetOpacity: function(dragDiv, n) { 
if (Common.isIE) { 
dragDiv.filters.alpha.opacity = n; 
} 
else { 
dragDiv.style.opacity = n / 100; 
}

}, 
GetZindex: function() { 
var maxZindex = 0; 
var divs = document.getElementsByTagName("div"); 
for (z = 0; z < divs.length; z++) { 
maxZindex = Math.max(maxZindex, divs[z].style.zIndex); 
} 
return maxZindex; 
}, 
RegDragsPos: function() { 
var arrDragDivs = new Array(); 
var dragTbl = document.getElementById("dragTable"); 
var tmpDiv, tmpPos; 
for (i = 0; i < dragTbl.getElementsByTagName("div").length; i++) { 
tmpDiv = dragTbl.getElementsByTagName("div")[i]; 
if (tmpDiv.className == "dragDiv") { 
tmpPos = Common.getElementPos(tmpDiv); 
arrDragDivs.push({ DragId: tmpDiv.id, PosLeft: tmpPos.x, PosTop: tmpPos.y, PosWidth: tmpDiv.offsetWidth, PosHeight: tmpDiv.offsetHeight }); 
} 
} 
return arrDragDivs; 
} 
}

.dragDiv,.nodragDiv{ 
position:relative; 
filter:alpha(opacity=100); 
opacity:1; 
margin-bottom:6px; 
background-color:#FFFFFF; 
} 
</style> 
</head> 
<body >

</ script> 
<table id="dragTable" cellpadding="3" style=" border:solid 0px green;width:98%;"> 
<tr> 
<td valign="top" style="width:30%"> 
 
<table cellpadding="0" cellspacing="0" border="1" style="width:100%;border-collapse:collapse; border-color:Blue"> 
<tr id="titleBar1" style="height:22px; text-align:left; background-color:#547BC9;color:White; padding:3px;cursor:move;"> 
<th align="left" unselectable="on" >Title1</th> 
</tr> 
<tr style="height:130px;padding:3px;" align="left" valign="top" > 
<td unselectable="on">这里的字比较长....我来了....中国....中国...外国.，看一下有没有溢出></td> 
</tr> 
</table> 
 
 
<table cellpadding="0" cellspacing="0" border="1" style="width:100%;border-collapse:collapse; border-color:Blue"> 
<tr id="titleBar2" style="height:22px; text-align:left; background-color:#547BC9;color:White; padding:3px;cursor:move;"> 
<th align="left" unselectable="on" >Title2</th> 
</tr> 
<tr style="height:130px;padding:3px;" align="left" valign="top" > 
<td unselectable="on">Content2...</td> 
</tr> 
</table> 
 
</td> 
<td valign="top" style="width:50%"> 
 
<table cellpadding="0" cellspacing="0" border="1" style="width:100%;border-collapse:collapse; border-color:Blue"> 
<tr id="titleBar3" style="height:22px; text-align:left; background-color:#547BC9;color:White; padding:3px;cursor:move;"> 
<th align="left" unselectable="on" >Title3</th> 
</tr> 
<tr style="height:230px;padding:3px;" align="left" valign="top" > 
<td unselectable="on">Content3...</td> 
</tr> 
</table> 
 
</td> 
<td valign="top" style="width:20%"> 
 
<table cellpadding="0" cellspacing="0" border="1" style="width:100%;border-collapse:collapse; border-color:Blue"> 
<tr id="titleBar4" style="height:22px; text-align:left; background-color:#547BC9;color:White; padding:3px;cursor:move;"> 
<th align="left" unselectable="on" >Title4</th> 
</tr> 
<tr style="height:130px;padding:3px;" align="left" valign="top" > 
<td unselectable="on">Content4...</td> 
</tr> 
</table> 
 
 
<table cellpadding="0" cellspacing="0" border="1" style="width:100%;border-collapse:collapse; border-color:Blue"> 
<tr id="titleBar5" style="height:22px; text-align:left; background-color:#547BC9;color:White; padding:3px;cursor:move;"> 
<th align="left" unselectable="on" >Title5</th> 
</tr> 
<tr style="height:130px;padding:3px;" align="left" valign="top" > 
<td unselectable="on">Content5...</td> 
</tr> 
</table> 
 
</td> 
</tr> 
</table> 
</body> 
</html>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

据说是Google首页的网页模块拖动代码_布局与层

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据说是Google首页的网页模块拖动代码_布局与层

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