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IGoogle's module drag layer drag, igoogle module drag

Source: Internet
Author: User
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IGoogle's module drag layer drag, igoogle module drag
<! 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>
<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8"/>
<Style type = "text/css">
* {Margin: 0px; padding: 0px ;}
Body {position: relative; width: 780px; height: 800px; border: 1px solid red}
. Drag {width: 200px; height: 100px; border: 1px solid #000; margin: 20px; background: # fff}
. Drag h1 {margin: 0px; padding: 0px; font-size: 12px; height: 18px; line-height: 18px; background: # E0E7F3; text-indent: 20px; cursor: move ;}
. Center {margin: 200px; border: 3px solid red}
</Style>
<Script type = "text/javascript"> </script>
<Title> iGoogle Div Drag module dragging </title>
</Head>
<Body>
<Div class = "drag">
<H1> <strong> popper. w'dragclass </strong> </Div>
<Div class = "drag">
<H1> www.999jiujiu.com </Div>
<Div class = "drag">
<H1> <strong> www.999jiujiu.com </strong> </Div>
<Div class = "drag"> <Div class = "drag"> <Div class = "drag"> <Div class = "drag"> <Div> <A href = "http://www.999jiujiu.com/"> http://www.999jiujiu.com/</A> </div>
</Body>
</Html>
<Script type = "text/javascript">
/*
Author: popper. w
Version: v2.0
*/
Var DragZindexNumber = 0;
Function drag (obj ){
Var ox, oy, ex, xy, tag = 0, mask = 0;
If (tag = 0 ){
Obj. onmousedown = function (e)
{
If (mask = 1) {return ;}
Obj. style. zIndex = DragZindexNumber ++;
Transp (obj, "start ")
Tag = 1;
Var e = e | window. event;
Ex = getEventOffset (e). offsetX;
Ey = getEventOffset (e). offsetY;
Ox = parseInt (obj. offsetLeft );
Oy = parseInt (obj. offsetTop );
TempDiv = document. createElement ("div ");
With (tempDiv. style)
{
Width = obj. offsetWidth + "px ";
Height = obj. offsetHeight + "px ";
Border = "1px dotted red ";
Position = "absolute ";
Left = obj. offsetLeft + "px ";
Top = obj. offsetTop + "px ";
ZIndex = 999;
}
Document. body. appendChild (tempDiv );
This. ele = tempDiv;
FDragStart (tempDiv );
Document. body. onmousemove = function (e ){
If (tag = 1)
{
Var e = e | window. event;
TempDiv. style. left = parseInt (e. clientX)-ex + "px ";
TempDiv. style. top = parseInt (e. clientY)-ey + "px ";
}
Else {if (! TempDiv = null) tempDiv. parentNode. removeChild (tempDiv )}
}
TempDiv. onmouseup = function (e)
{
Var e = e | window. event;
FDragEnd (tempDiv );
Obj. style. position = "absolute ";
Movie (obj, parseInt (e. clientX)-ex-19, parseInt (e. clientY)-ey-20 );
TempDiv. parentNode. removeChild (tempDiv );
Tag = 0;
}
}
}
}
Function movie (o, l, t ){
Var a = 1;
Mask = 1;
Var ol = parseInt (o. offsetLeft );
Var ot = parseInt (o. offsetTop );
Var iTimer = setInterval (function (){
If (a = 10)
{
Transp (o, "end ");
Mask = 0;
ClearInterval (iTimer );
}
O. style. left = ol + a * (l-ol)/10 + "px ";
O. style. top = ot + a * (t-ot)/10 + "px ";
A ++;
}, 20 );
}
Function fCancleBubble (e)
{
Var e = window. event | e;
If (e. preventDefault) e. preventDefault ();
Else e. returnValue = false;
}
Function transp (o, mode ){
If (mode = "start "){

If (document. all ){
O. style. filter = "Alpha (Opacity = 50 )";
} Else {
O. style. opacity = 0.5;
}
}
Else {
If (document. all ){
O. style. filter = "Alpha (Opacity = 100 )";
} Else {
O. style. opacity = 1;
}
 
 
}
}
Function getOffset (evt)
{
Var target = evt.tar get;
If (target. offsetLeft = undefined)
{
Target = target. parentNode;
}
Var pageCoord = getPageCoord (target );
Var eventCoord =
{
X: window. pageXOffset + evt. clientX,
Y: window. pageYOffset + evt. clientY
};
Var offset =
{
OffsetX: eventCoord. x-pageCoord. x,
OffsetY: eventCoord. y-pageCoord. y
};
Return offset;
}
Function getPageCoord (element)
{
Var coord = {x: 0, y: 0 };
While (element)
{
Coord. x + = element. offsetLeft;
Coord. y + = element. offsetTop;
Element = element. offsetParent;
}
Return coord;
}
Function getEventOffset (evt)
{
Var msg = "";
If (evt. offsetX = undefined)
{
Var evtOffsets = getOffset (evt );
Msg = {offsetX: evtOffsets. offsetX, offsetY: evtOffsets. offsetY };
}
Else
{
Msg = {offsetX: evt. offsetX, offsetY: evt. offsetY };
}
Return msg;
}
Function fDragStart (XEle)
{
Switch (fCkBrs ())
{
Case 3:
Window. getSelection (). removeAllRanges ();
Break;

Default:
XEle. setCapture ();
Break;
}
}
Function fDragEnd (XEle)
{
Switch (fCkBrs ())
{
Case 3:
Window. getSelection (). removeAllRanges ();
Break;

Default:
XEle. releaseCapture ();
Break;
}
}
Function fCkBrs ()
{
Switch (navigator. appName)
{
Case 'Opera ': return 2;
Case 'netscape ': return 3;
Default: return 1;
}
}
Var element = document. getElementsByTagName ("div ");
For (var I = 0; I <element. length; I ++ ){
If (element [I]. className = "drag "){
Drag (element [I])}

}
</Script>

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
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