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ASP progress bar instance

Source: Internet
Author: User
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When processing data in the background, the foreground page displays the Proess Bar at the same time.
Layer is used for display.
Usage:
1. Reference
<Script language = "javascript" src = "ShowProcessBar. js"> </script>
2. Add extended attributes to the submitted Button or <A> or <span>.
IsShowProcessBar = "True"

The ShowProcessBar. js file is as follows:

AddProcessbar ();
Var bwidth = 0;
Var swidth = document. all. waiting. clientWidth;

Function CheckIsProcessBar (obj)
{
If (obj. IsShowProcessBar = "True ")
{
Return false;
}
Else
{
Return true;
}
}

Function CheckClick (e)
{
If (e = 1)
{
If (bwidth & lt; swidth * 0.98 ){
Bwidth + = (swidth-bwidth) * 0.025;
If (document. all) document. sbar. width = bwidth;
Else document. rating. clip. width = bwidth;
SetTimeout ('checkclick (1); ', 150 );

}
}
Else
{
If (document. all)
{
If (document. all. waiting. style. visibility = 'visible ')
{Document. all. waiting. style. visibility = 'den den ';
Bwidth = 1 ;}
WhichIt = event. srcElement;

While (CheckIsProcessBar (whichIt ))
{
WhichIt = whichIt. parentElement;
If (whichIt = null) return true;
}

Document. all. waiting. style. pixelTop = (document. body. offsetHeight-document. all. waiting. clientHeight)/2 + document. body. scrollTop;
Document. all. waiting. style. pixelLeft = (document. body. offsetWidth-document. all. waiting. clientWidth)/2 + document. body. scrollLeft;
Document. all. waiting. style. visibility = 'visible ';
If (! Bwidth) CheckClick (1 );
Bwidth = 1;

}

Else
{

If (document. waiting. visibility = 'show ')
{Document. waiting. visibility = 'hide ';
Document. rating. visibility = 'hide ';
Bwidth = 1 ;}
If(e.tar get. href. toString ()! = '')
{
Document. waiting. top = (window. innerHeight-document. waiting. clip. height)/2 + self. pageYOffset;
Document. waiting. left = (window. innerWidth-document. waiting. clip. width)/2 + self. pageXOffset;
Document. waiting. visibility = 'show ';
Document. rating. top = (window. innerHeight-document. waiting. clip. height)/2 + self. pageYOffset + document. waiting. clip. height-10;
Document. rating. left = (window. innerWidth-document. waiting. clip. width)/2 + self. pageXOffset;
Document. rating. visibility = 'show ';
If (! Bwidth) CheckClick (1 );
Bwidth = 1;
}
}
Return true;
}
}

Function AddProcessbar ()
{

Var Str = ""
Str + = "<div id = waiting style = position: absolute; top: 50px; left: 100px; z-index: 1; visibility: hidden> ";
Str + = "<layer name = waiting visibility = visible zIndex = 2>"
Str + = "<table border = 2 cellspacing = 1 cellpadding = 0 bordercolorlight = # FFFFFF bordercolordark = # C0C0C0 bgcolor = # E0E0E0>"
Str + = "<tr>"
Str + = "<td bgcolor = # E0E0E0 height = 30px width = 300px align = center>"
Str + = "<font color = black> the system is being processed... </font>"
Str + = "</td>"
Str + = "</tr>"
Str + = "<tr>"
Str + = "<td bgcolor = # E0E0E0>"
Str + = "Str + = "</td>"
Str + = "</tr>"
Str + = "</table>"
Str + = "</layer>"
Str + = "</div>"
Document. write (Str)

If (document. all) document. onclick = CheckClick;
}

Test File TestShowBar. HTML

<HTML>
<HEAD>
<Script language = "javascript" src = "ShowProcessBar. js"> </script>
</HEAD>
<BODY>
<A href = "error. asp" IsShowProcessBar = "True"> A Href </a>
<BR>
<BR>
<Span onclick = "location. href = 'error. asp '"style =" cursor: hand "IsShowProcessBar =" True "> <font color = blue> Span </font> </span>
<BR>
<Form action = "error. asp">
<Input type = Submit value = "Submit">
<Input type = button value = "normal button" IsShowProcessBar = "True">
</Form>
<P IsShowProcessBar = "True"> AAAAAAAAAAAAA </P>
</BODY>
</HTML>
 
 

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