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demo.html
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demo.html
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<!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" />
<title>jQuery Center Plugin Demo</title>
<style type="text/css">
h1{
text-align : center;
}
#wrap{
width: 880px;
margin: 0 auto 50px;
}
#info{
text-align: center;
margin: 50px 0 0;
}
#play-ground1{
height: 150px;
}
#play-ground2{
height: 220px;
position: relative;
}
.spacer{
height: 50px;
}
.parent{
width: 200px;
height: 200px;
position: relative;
background: #cccccc;
display: inline;
float: left;
margin: 0 20px 0 0;
}
.some-element{
width: 100px;
height: 100px;
position: absolute;
background: #333333;
color: white;
}
.btn{
background: #cccccc;
float: left;
display: inline;
font-family: arial;
font-size: 12px;
font-weight: bolder;
padding: 3px 7px;
margin: 0 8px 0 0;
cursor: pointer;
}
</style>
</head>
<body>
<div id="wrap">
<h1>
jQuery Center Plugin Demo
</h1>
<p>
Try clicking the buttons to see how they works :)
</p>
<h2>
centralize #some-element against the window
</h2>
<div id="sample1" class="spacer">
<div id="btn1" class="btn">Centralize</div>
<div class="btn restore">Restore</div>
</div>
<div id="play-ground1">
<div id="some-element" class="some-element">
#some-element
</div>
</div>
<h2>
centralize .some-element against its parent
</h2>
<div id="sample2" class="spacer">
<div id="btn2" class="btn">Centralize</div>
<div class="btn restore">Restore</div>
</div>
<div id="play-ground2">
<div class="parent">
.parent
<div class="some-element">
.some-element
</div>
</div>
<div class="parent">
.parent
<div class="some-element">
.some-element
</div>
</div>
<div class="parent">
.parent
<div class="some-element">
.some-element
</div>
</div>
<div class="parent">
.parent
<div class="some-element">
.some-element
</div>
</div>
</div>
<h3 id="info">
Demo provides by <a href="http://dreamerslab.com/">DreamersLab</a>
</h3>
</div>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.2.6/jquery.min.js"></script>
<script type="text/javascript" src="jquery.center.min.js"></script>
<script type="text/javascript" charset="utf-8">
// wrap everything in document ready event
$( function(){
// cache jquery obj
var $el = $( '#some-element' );
var $pg2el = $( '#play-ground2' ).find( '.some-element' );
// centerize '#some-element' against the window on clicking #btn1
$( '#btn1' ).bind( 'click', function(){
$el.center();
});
// restore '#some-element' position on clicking '.restore'
$( '#sample1' ).find( '.restore' ).bind( 'click', function(){
$el.attr( 'style', '' );
});
// centerize each '.some-element' against its parent on clicking #btn2
$( '#btn2' ).bind( 'click', function(){
$pg2el.center({ against: 'parent' });
});
// restore '.some-element' position on clicking '.restore'
$( '#sample2' ).find( '.restore' ).bind( 'click', function(){
$pg2el.attr( 'style', '' );
});
});
</script>
<script type="text/javascript" charset="utf-8">
// google analytics
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-20960410-1']);
_gaq.push(['_trackPageview']);
(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();
</script>
</body>
</html>