/*
 * 	Easy Paginate 1.0 - jQuery plugin
 *	written by Alen Grakalic	
 *	http://cssglobe.com/
 *
 *	Copyright (c) 2011 Alen Grakalic (http://cssglobe.com)
 *	Dual licensed under the MIT (MIT-LICENSE.txt)
 *	and GPL (GPL-LICENSE.txt) licenses.
 *
 *	Built for jQuery library
 *	http://jquery.com
 *
 */

(function($j) {

	$j.fn.easyPaginate = function(options) {

		var defaults = {
			step : 4,
			delay : 100,
			numeric : true,
			nextprev : true,
			auto : false,
			pause : 4000,
			clickstop : true,
			controls : 'pagination',
			current : 'current'
		};

		var options = $j.extend(defaults, options);
		var step = options.step;
		var lower, upper;
		var children = $j(this).children();
		var count = children.length;
		var obj, next, prev;
		var page = 1;
		var timeout;
		var clicked = false;

		function show() {
			clearTimeout(timeout);
			lower = ((page - 1) * step);
			upper = lower + step;
			$j(children).each(function(i) {
				var child = $j(this);
				child.hide();
				if (i >= lower && i < upper) {
					setTimeout(function() {
						child.fadeIn('fast')
					}, (i - (Math.floor(i / step) * step)) * options.delay);
				}
				if (options.nextprev) {
					if (upper >= count) {
						next.fadeOut('fast');
					} else {
						next.fadeIn('fast');
					}
					;
					if (lower >= 1) {
						prev.fadeIn('fast');
					} else {
						prev.fadeOut('fast');
					}
					;
				}
				;
			});
			$j('li', '#' + options.controls).removeClass(options.current);
			$j('li[data-index="' + page + '"]', '#' + options.controls).addClass(options.current);

			if (options.auto) {
				if (options.clickstop && clicked) {
				} else {
					timeout = setTimeout(auto, options.pause);
				}
				;
			}
			;
		}
		;

		function auto() {
			if (upper <= count) {
				page++;
				show();
			}
		}
		;

		this.each(function() {

			obj = this;

			if (count > step) {

				var pages = Math.floor(count / step);
				if ((count / step) > pages)
					pages++;

				var ol = $j('<ol id="' + options.controls + '"></ol>').insertAfter(obj);

				if (options.nextprev) {
					prev = $j('<li class="prev">Previous</li>').hide().appendTo(ol).click(function() {
						clicked = true;
						page--;
						show();
					});
				};

				if (options.numeric) {
					for ( var i = 1; i <= pages; i++) {
						$j('<li data-index="' + i + '">' + i + '</li>').appendTo(ol).click(function() {
							clicked = true;
							page = $j(this).attr('data-index');
							show();
						});
					};
				};

				if (options.nextprev) {
					next = $j('<li class="next">Next</li>').hide().appendTo(ol).click(function() {
						clicked = true;
						page++;
						show();
					});
				};

				show();
			};
		});

	};

})(jQuery);