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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>floating menu demo</title>
<meta charset="UTF-8" />
<style type="text/css">
code{ padding:10px 8px; margin:3px 0; display:block; background-color:#333; color:#eee; }
body{ margin:0; padding:0; font-size:12px; font-family:arial; }
.header{ height:200px; background-color:darkred; text-align:center; color:#FFF; font-size:3em; }
.content{ padding:10px 10px 30px; width:960px; margin:0 auto; background-color:#f1f1f1; position:relative; }
.wrap{ height:1300px; padding:20px; background-color:#ddd; margin:0 250px; color:#333; }
.wrap h2{ font-size:2em; }
.wrap ul{ list-style:none; padding:0; }
.wrap ul li{ margin-bottom:20px; }
.wrap ul li h3{ font-size:1.2em; padding:0; margin:0; }
.ad{ position:absolute; top:10px; right:10px; width:240px; height:100px; background:#8B0000; color:#FFF; font-size:2em; text-align:center; line-height:100px; }
.menu{ position:absolute; left:10px; padding:15px; width:210px; background:green; color:#FFF; }
.menu .easing{ overflow:hidden; margin:10px 0; }
.menu .easing button{ font-size:1.1em; float:left; clear:left; line-height:1; cursor:pointer; }
.menu h3{ border-bottom:1px solid #FFF; padding:3px 8px; margin:0; }
.menu label{ display:block; overflow:hidden; margin-bottom:5px; line-height:1.6; }
.menu label input{ float:right; }
.menu label input[type=text]{ width:60px; }
.menu2_wrap{ position:absolute; top:120px; right:0; bottom:30px; }
.menu2{ top:120px; right:10px; left:auto; background-color:purple; }
.transition200 .duration,
.transition200 .delay{ visibility:hidden; }
.transition200{ transition:200ms; -webkit-transition:200ms; -o-transition:200ms; }
.footer{ height:500px; background-color:blue; text-align:center; color:#FFF; font-size:3em; }
</style>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script src='stickyfloat.js'></script>
</head>
<body>
<div class="header">Header</div>
<div class="content">
<div class="menu">
<h3>Menu 1 Options:</h3>
<div class='easing'>
<button>linear</button>
<button>swing</button>
<button>easeInQuad</button>
<button>easeOutQuad</button>
<button>easeInOutQuad</button>
<button>easeOutElastic</button>
<button>easeInOutElastic</button>
<button>easeInBack</button>
<button>easeOutBack</button>
<button>easeInOutBack</button>
</div>
<label>
<input type='text' class='duration' value='200' />
Duration (in ms):
</label>
<label>
<input type='text' class='delay' value='0' />
Delay (in ms):
</label>
<label>
<input type='text' class='offsetY' value='auto' />
offsetY (in px):
</label>
<label>
<input type='text' class='startOffset' value='' />
startOffset (in px):
</label>
<label>
<input type='checkbox' class='stickToBottom' />
Stick to bottom:
</label>
<label>
<input type='checkbox' class='lockBottom' checked />
Bind to parent's bottom:
</label>
<label>
<input type='checkbox' class='cssTransition' checked />
Use CSS3 transition (better):
</label>
</div>
<div class='ad'>FIXED AD</div>
<div class='menu2_wrap'>
<div class="menu menu2">
<h3>Menu 2 Options:</h3>
<div class='easing'>
<button>linear</button>
<button>swing</button>
<button>easeInQuad</button>
<button>easeOutQuad</button>
<button>easeInOutQuad</button>
<button>easeOutElastic</button>
<button>easeInOutElastic</button>
<button>easeInBack</button>
<button>easeOutBack</button>
<button>easeInOutBack</button>
</div>
<label>
<input type='text' class='duration' value='0' />
Duration (in ms):
</label>
<label>
<input type='text' class='delay' value='0' />
Delay (in ms):
</label>
<label>
<input type='text' class='offsetY' value='auto' />
offsetY (in px):
</label>
<label>
<input type='text' class='startOffset' value='' />
startOffset (in px):
</label>
<label>
<input type='checkbox' class='stickToBottom' />
Stick to bottom:
</label>
<label>
<input type='checkbox' class='lockBottom' checked />
Bind to parent's bottom:
</label>
<label>
<input type='checkbox' class='cssTransition' />
Use CSS3 transition (better):
</label>
</div>
</div>
<div class="wrap">
<h3>Project Page - <a href='https://github.com/yairEO/stickyfloat'>https://github.com/yairEO/stickyfloat</a></h3><br/>
Example:<br/>
<code>jQuery('.menu').stickyfloat({ duration: 400 });</code>
<br/>
Or to update a floating element you might do:
<code>
<pre>jQuery('.menu2').stickyfloat( 'update',
{
duration : 0,
stickToBottom:true
});
</pre>
</code>
<h2>Parameters:</h2>
<ul>
<li><h3>duration (default: 200)</h3>The duration of the animation</li>
<li><h3>startOffset (default: auto - parent's offset from top)</h3>The amount of scroll offset after which the animations kicks in, because the idea is to start the animation only when the user has scrolled to a point where the element needs to start following him.<br />Value can be empty or auto, which are the same, or a number</li>
<li><h3>offsetY (default: auto - parent's padding-top)</h3>The offset from the top after object's animation.<br />Value can be empty or auto, which are the same, or a number</li>
<li><h3>delay (default: 0)</h3>Delay in milliseconds until the animnations starts</li>
<li><h3>easing (default: linear)</h3>Easing function (jQuery has by default only 'swing' & 'linear')</li>
<li><h3>lockBottom (default: true)</h3>Set to false if you don't want your floating box to stop at parent's bottom</li>
<li><h3>stickToBottom (default: false)</h3>Set to true to make the floating menu stick to the bottom</li>
<li><h3>onReposition (default: undefined)</h3>a callback to be invoked when the floated element is repositioned</li>
<li><h3>scrollArea (default: window)</h3>The DOM element which stickyfloat should track it's scroll position (for situations with inner scroll)</li>
</ul>
</div>
</div>
<div class="footer">Footer</div>
<script>
/*
* jQuery easing functions (for this demo)
*/
jQuery.extend( jQuery.easing,{
def: 'easeOutQuad',
swing: function (x, t, b, c, d) {
//alert(jQuery.easing.default);
return jQuery.easing[jQuery.easing.def](x, t, b, c, d);
},
easeInQuad: function (x, t, b, c, d) {
return c*(t/=d)*t + b;
},
easeOutQuad: function (x, t, b, c, d) {
return -c *(t/=d)*(t-2) + b;
},
easeInOutQuad: function (x, t, b, c, d) {
if ((t/=d/2) < 1) return c/2*t*t + b;
return -c/2 * ((--t)*(t-2) - 1) + b;
},
easeOutElastic: function (x, t, b, c, d) {
var s=1.70158;var p=0;var a=c;
if (t==0) return b; if ((t/=d)==1) return b+c; if (!p) p=d*.3;
if (a < Math.abs(c)) { a=c; var s=p/4; }
else var s = p/(2*Math.PI) * Math.asin (c/a);
return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
},
easeInOutElastic: function (x, t, b, c, d) {
var s=1.70158;var p=0;var a=c;
if (t==0) return b; if ((t/=d/2)==2) return b+c; if (!p) p=d*(.3*1.5);
if (a < Math.abs(c)) { a=c; var s=p/4; }
else var s = p/(2*Math.PI) * Math.asin (c/a);
if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;
},
easeInBack: function (x, t, b, c, d, s) {
if (s == undefined) s = 1.70158;
return c*(t/=d)*t*((s+1)*t - s) + b;
},
easeOutBack: function (x, t, b, c, d, s) {
if (s == undefined) s = 1.70158;
return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
},
easeInOutBack: function (x, t, b, c, d, s) {
if (s == undefined) s = 1.70158;
if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
}
});
// init the plug-in and bind it to the #menu element
//------------------------------------------------------
$('.menu').stickyfloat();
$('.menu2').stickyfloat('update',{ duration:0 });
// Stuff which are for this DEMO page only
//------------------------------------------------------
$('.menu').on('click', 'button', function(){
var elem = $(this).closest('.menu');
elem.stickyfloat('update', { easing:this.innerHTML });
});
$('.menu input:text').on('change', function(){
var elem = $(this).closest('.menu'),
prop = this.className,
value = this.value,
options = {};
if( (value|0) === parseInt(value) ) // if number, normalize
value = value|0;
options[prop] = value;
elem.stickyfloat('update', options);
});
// after page refresh, make sure the values are returned to their defaults
$('.menu :text').each(function(){
$(this).val(this.defaultValue);
});
$('.menu :checkbox').each(function(){
$(this).prop('checked', this.defaultChecked);
});
$('.menu :checkbox').on('change', function(){
var elem = $(this).closest('.menu'),
prop = this.className,
options = {};
options[prop] = !!this.checked;
elem.stickyfloat('update', options);
});
$('.menu .cssTransition:checkbox').on('change', function(){
var elem = $(this).closest('.menu'),
val = this.checked ? 0 : elem.find('.duration').val();
elem.toggleClass('transition200', this.checked);
elem.stickyfloat('update',{ cssTransition: this.checked });
}).trigger('change');
</script>
</body>
</html>