/**
* Grid-A-Licious(tm) 0.3 Modified for 2d3d.se
*
* Terms of Use - jQuery Grid-A-Licious
* under the MIT (http://www.opensource.org/licenses/mit-license.php) License.
*
* Copyright 2010 suprb.com All rights reserved.
* (http://suprb.com/apps/grid-a-licious/)
*
*/
 
(function ($) {
	$.fn.grid = function (options, item, r, scroll) {
		if (item === undefined) item = false;
		if (scroll === undefined) scroll = false;
		if (r === undefined) r = true;
		var defaults = {
			min_cols: 2,
			max_cols: 0,
			gap: 20,
			speed: 80,
			duration: 150,
			width: 200,
			easing: 'easeInOutQuart',
			animateUpdate: true,
			postPath: '.post',
			postWidePath: '.postwide',
			postWiderPath: '.postwider',
			postWidestPath: '.postwidest',
			allColsPath: '.allcols',
			openColsPath: '.opencols',
			center: false
		};
		mcc = defaults.min_cols;
		options = $.extend(defaults, options);
		var $gridbox = this;
		var l, columns, _c, columns, alt, offx, offy, hh, biggest = 0,
		total = 0,
		count = 0,
		footer = 0,
		offy = 0,
		offx = 0,
		start = 0;
		$gridbox.css("position", "relative");
		var maxy = new Array();
		offy = parseInt($gridbox.css("padding-top").replace('px', ''));
		offx = parseInt($gridbox.css("padding-left").replace('px', ''));
		if (options.max_cols && options.min_cols > options.max_cols) options.min_cols = options.max_cols;
		layout(r);
		function highest(cols) {
			zzz = $gridbox.find('.post').size() * options.speed;
			for (x = 0; x < maxy.length; x++) {
				if (maxy[x] > biggest) {
					biggest = parseInt(maxy[x])
				}
			}
			$('body').append('<span id="interval-tmp"></span>');
			$("#interval-tmp").fadeOut(zzz, function () {
				$gridbox.css("height", biggest + "px");
				$('#interval-tmp').remove()
			});
			if (options.center) {
				countboxes = $gridbox.find('.post').size();
				co = columns;
				if (countboxes > co) {
					countboxes = co
				}
				cp = (countboxes * options.width) + ((countboxes - 1) * options.gap);
				if (settings.animateUpdate) {
					$gridbox.animate({
						width: cp
					},
					{
						duration: options.duration,
						easing: options.easing
					})
				} else {
					$gridbox.css('width', cp)
				}
				$gridbox.css({
					marginLeft: 'auto'
				});
				$gridbox.css({
					marginRight: 'auto'
				})
			}
		}
		function layout(r) {
			var $posts = $(options.postPath, $gridbox);
			var $postsWide = $(options.postWidePath, $gridbox);
			var $postsWider = $(options.postWiderPath, $gridbox);
			var $postsWidest = $(options.postWidestPath, $gridbox);
			var $allCols = $(options.allColsPath, $gridbox);
			var $openCols = $(options.openColsPath, $gridbox);
			var width = options.width;
			count = 1;
			columns = Math.max(options.min_cols, parseInt(($(window).width() - (offx - options.gap)) / (width + options.gap)));
			if (options.max_cols && columns > options.max_cols) columns = options.max_cols;
			$posts.css('width', width + 'px');
			$postsWide.css('width', width * 2 + options.gap * 1);
			$postsWider.css('width', width * 3 + options.gap * 2);
			$postsWidest.css('width', width * 4 + options.gap * 3);
			countboxes = $gridbox.find('.post').size();
			co = columns;
			if (countboxes > co) {
				countboxes = co
			}
			cp = (countboxes * options.width) + ((countboxes - 1) * options.gap);
			columns_inner = Math.max(options.min_cols, cp / (width + options.gap));
			$allCols.css('width', cp);
			if (cp > (5 * options.width) + ((countboxes - 1) * options.gap)) cp = (5 * options.width) + (countboxes - 1) * options.gap;
			$openCols.css('width', cp);
			for (x = 0; x < columns_inner; x++) {
				maxy[x] = 0
			}
			$posts.each(function (i) {
				if (item === false) $(this).removeClass('open');
				total = i + 1;
				var $p = this;
				var $post = $(this);
				var pos, cursor, w, alt = 0;
				var newleft, oldleft, newtop, oldtop;
				w = (Math.floor($post.outerWidth() / width));
				cursor = 0;
				for (x = 0; x < columns_inner - (w - 1); x++) {
					cursor = maxy[x] < maxy[cursor] ? x: cursor
				}
				if (w > 1) {
					pos = cursor;
					for (var x = 0; x < w; x++) {
						alt = Math.max(alt, maxy[pos + x])
					}
					for (var x = 0; x < w; x++) {
						maxy[pos + x] = parseInt($post.outerHeight()) + options.gap + alt
					}
					newleft = pos * (width + options.gap) + offx;
					newtop = alt + offy;
					if (newleft !== oldleft) {
						if (options.animateUpdate === false || item === "#" + $post.attr('id')) {
							$post.css({
								'left': pos * (width + options.gap) + offx,
								'top': alt + offy
							})
						}
						setTimeout(function () {
							if (r === true) {
								if ($post.hasClass('open')) $post.fadeOut(options.duration);
								else $post.fadeIn(options.duration)
							}
							count++;
							check(item, r, columns);
							$post.animate({
								left: newleft,
								top: newtop,
								opacity: 1
							},
							{
								duration: options.duration,
								easing: options.easing
							})
						},
						i * (options.speed))
					} else {
						$post.css({
							'left': pos * (width + options.gap) + offx,
							'top': alt + offy
						})
					}
				} else {
					newleft = cursor * (width + options.gap) + offx;
					newtop = maxy[cursor] + offy;
					if (newleft !== oldleft) {
						if (options.animateUpdate === false) {
							$post.css({
								'left': cursor * (width + options.gap) + offx,
								'top': maxy[cursor] + offy
							});
							highest()
						}
						setTimeout(function () {
							if (r === true) {
								if ($post.hasClass('open')) $post.fadeOut(options.duration);
								else $post.fadeIn(options.duration)
							}
							check(item, r, columns);
							count++;
							$post.animate({
								left: newleft,
								top: newtop,
								opacity: 1
							},
							{
								duration: options.duration,
								easing: options.easing
							})
						},
						i * (options.speed))
					} else {
						$post.css({
							'left': pos * (width + options.gap) + offx,
							'top': alt + offy
						})
					}
					maxy[cursor] += $post.outerHeight() + options.gap
				}
				$post.fadeIn(options.duration)
			})
		}
		function check(item, r, columns) {
			if (count >= total) {
				if (item) {
					var oy = parseInt($(item).css("top").replace('px', '') - options.gap);
					var zzz = $gridbox.find('.post').size() * options.speed;
					$(item + ' .single').delay(zzz).fadeTo(options.duration, 1);
					click = true
				}
				if (scroll) {
					$('html,body').animate({
						scrollTop: oy
					},
					options.duration, options.easing)
				}
				options.animateUpdate = true;
				highest(columns)
			}
		}
	}
})(jQuery);