From 2012.igem.org
/*
* faded 0.3.1 - jQuery plugin
* written by Nathan Searles
* http://nathansearles.com/faded/
*
* Copyright (c) 2009 Nathan Searles (http://nathansearles.com/)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* Built for jQuery library
* http://jquery.com
* Compatible with jQuery 1.3.2+
*
*/
if(typeof jQuery != "undefined") {
jQuery(function($) {
$.fn.extend({
faded: function(options) {
var settings = $.extend({}, $.fn.faded.defaults, options);
return this.each(
function() {
if($.fn.jquery < "1.3.1") {return;}
var $t = $(this);
var $c = $t.children(":nth-child(1)");
var o = $.metadata ? $.extend({}, settings, $t.metadata()) : settings;
var total = $c.children().size();
var next = 0, prev = 0, number = 0, currentitem = 0, restart = 0, restartinterval = 0;
var loaded,active,imgSrc,clicked,current;
if (o.random) {
$.fn.reorder = function(callback) {
function randOrd() { return(Math.round(Math.random())-0.5); }
return($(this).each(function() {
var $this = $(this);
var $children = $this.children();
var childCount = $children.length;
if (childCount > 1) {
$children.hide();
var indices = new Array();
for (i=0;i<childCount;i++) { indices[indices.length] = i; }
indices = indices.sort(randOrd);
$.each(indices,function(j,k) {
var $child = $children.eq(k);
var $clone = $child.clone(true);
$clone.show().appendTo($this);
if (callback !== undefined) {
callback($child, $clone);
}
$child.remove();
});
}
}));
};
$c.reorder();
}
function pause() {
clearInterval(autoplay);
clearTimeout(restart);
restart = setTimeout(function() {
autoplay = setInterval(function(){
animate("next");
},o.autoplay);
},o.autorestart);
}
$c.css({position:"relative"});
$c.children().css({
position:"absolute",
top: 0,
left: 0,
zIndex: 0,
display:"none"
});
if (o.autoheight) {
$c.animate({height: $c.children(":eq(0)").outerHeight()},o.autoheight);
}
if (o.pagination) {
if (o.autopagination) {
$t.append("");
$c.children().each(function(){
$("."+o.pagination+"",$t).append("
<a rel="+number+" href=\"#\" >"+(number+1)+"</a></li>");
number++;
});
}
$("."+o.pagination+" li a:eq(0)",$t).parent().addClass("current");
$("."+o.pagination+" li a",$t).click(function(){
current = $("."+o.pagination+" li.current a",$t).attr("rel");
clicked = $(this).attr("rel");
if (current != clicked) {animate("pagination",clicked,current);}
if(o.autoplay){pause();}
return false;
});
}
if (o.sequentialloading&&$c.children()[0].tagName=="IMG") {
$c.css({background:"url("+o.loadingimg+") no-repeat 50% 50%"});
imgSrc = $("img:eq(0)",$c).attr("src");
$("img:eq(0)",$c).attr("src", imgSrc).load(function() {
$(this).fadeIn(o.speed,function(){
loaded = true;
});
});
} else {
$c.find(":eq(0)").fadeIn(o.speed,function(){
loaded = true;
});
}
if (o.bigtarget) {
$c.css({"cursor":"pointer"});
$c.click(function(){
animate("next");
if(o.autoplay){
if (o.autorestart) {
pause();
} else {
clearInterval(autoplay);
}
}
return false;
});
}
if (o.autoplay) {
autoplay = setInterval(function(){
animate("next");
},o.autoplay);
pause();
}
$("."+o.nextbtn,$t).click(function(){
animate("next");
if(o.autoplay){
if (o.autorestart) {
pause();
} else {
clearInterval(autoplay);
}
}
return false;
});
$("."+o.prevbtn,$t).click(function(){
animate("prev");
if(o.autoplay){
if (o.autorestart) {
pause();
} else {
clearInterval(autoplay);
}
}
return false;
});
function animate(dir,clicked,current){
if (!active&&loaded) {
active=true;
switch(dir) {
case "next":
prev = next;
next = currentitem*1+1;
if (total === next) { next = 0; }
break;
case "prev":
prev = next;
next = currentitem*1-1;
if (next === -1) { next = total-1; }
break;
case "pagination":
next = clicked;
prev = current;
break;
}
if (o.pagination) {
$(".pagination li.current",$t).removeClass("current");
$(".pagination li a:eq("+next+")",$t).parent().addClass("current");
}
if (o.crossfade) {
$c.children(":eq("+next+")").css({zIndex:10}).fadeIn(o.speed,function(){
$c.children(":eq("+prev+")").css({display:"none",zIndex:0});
$(this).css({zIndex:0});
currentitem = next;
active = false;
});
} else {
$c.children(":eq("+prev+")").fadeOut(o.speed,function(){
if (o.autoheight) {
$c.animate({height: $c.children(":eq("+next+")").outerHeight()},o.autoheight,function(){
$c.children(":eq("+next+")").fadeIn(o.speed);
});
} else {
$c.children(":eq("+next+")").fadeIn(o.speed);
}
currentitem = next;
active = false;
});
}
}
}
}
);
}
});
$.fn.faded.defaults = {
speed: 300,
crossfade: false,
bigtarget: false,
sequentialloading: false,
autoheight: false,
pagination: "pagination",
autopagination: true,
nextbtn: "next",
prevbtn: "prev",
loadingimg: false,
autoplay: false,
autorestart: false,
random: false
};
});
}