(function ($) {
$.fn.simpleSpy = function (limit, interval) {
limit = limit || 10;
interval = interval || 4000;
return this.each(function () {
// 1. setup
// capture a cache of all the list items
// chomp the list down to limit li elements
var $list = $(this),
items = [], // uninitialised
currentItem = limit,
total = 0, // initialise later on
width = $list.find('> li:first').width();
// capture the cache
$list.find('> li').each(function () {
items.push('
' + $(this).html() + '');
});
total = items.length;
$list.wrap('').parent().css({ width : width * limit });
$list.find('> li').filter(':gt(' + (limit - 1) + ')').remove();
// 2. effect
function spy() {
// insert a new item with opacity and height of zero
var $insert = $(items[currentItem]).css({
width : 0,
opacity : 0,
display : 'none'
}).prependTo($list);
// fade the LAST item out
$list.find('> li:last').animate({ opacity : 0}, 1000, function () {
// increase the height of the NEW first item
$insert.animate({ width : width }, 1000).animate({ opacity : 1 }, 1000);
// AND at the same time - decrease the height of the LAST item
// $(this).animate({ height : 0 }, 1000, function () {
// finally fade the first item in (and we can remove the last)
$(this).remove();
$list.find('> li:last').addClass('last');
// });
});
currentItem++;
if (currentItem >= total) {
currentItem = 0;
}
setTimeout(spy, interval)
}
$('.spy.hideload').removeClass('hideload');
spy();
});
};
})(jQuery);