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HTML

              
                #veil
#preloader
#grid

              
            
!

CSS

              
                @import "compass/css3";

$fade-in-ms: 500ms;
$fade-out-ms: 600ms;
$unfold-ms: 300ms;
$rotate-ms: 150ms;
$din-light: "din-light";
$din-medium: "din-medium";

@font-face {
  font-family: 'din-light';
  src: url('http://labs.juan.me/gallery/css/fonts/din-light-webfont.eot');
  src: url('http://labs.juan.me/gallery/css/fonts/din-light-webfont.eot?#iefix') format("embedded-opentype"), url('http://labs.juan.me/gallery/css/fonts/din-light-webfont.woff') format("woff"), url('http://labs.juan.me/gallery/css/fonts/din-light-webfont.ttf') format("truetype"), url('http://labs.juan.me/gallery/css/fonts/din-light-webfont.svg#din-bold-webfont') format("svg");
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: 'din-medium';
  src: url('http://labs.juan.me/gallery/css/fonts/din-medium-webfont.eot');
  src: url('http://labs.juan.me/gallery/css/fonts/din-medium-webfont.eot?#iefix') format("embedded-opentype"), url('http://labs.juan.me/gallery/css/fonts/din-medium-webfont.woff') format("woff"), url('http://labs.juan.me/gallery/css/fonts/din-medium-webfont.ttf') format("truetype"), url('http://labs.juan.me/gallery/css/fonts/din-medium-webfont.svg#din-bold-webfont') format("svg");
  font-weight: normal;
  font-style: normal;
}

$din-light: "din-light";
$din-medium: "din-medium";

#preloader {
	position: absolute;
	width: 24px;
	height: 24px;
	left: 50%;
	top: 50%;
	margin: -12px 0 0 -12px;
	background: url(http://labs.juan.me/gallery/images/loading-24.gif) no-repeat center center;
	@include transition($fade-out-ms, opacity, ease-out);
	@include opacity(1);

	&.o {
		@include opacity(0);		
	}
}

#veil {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 0;
	background: rgba(0, 0, 0, 0.84);
	z-index: 7;
	@include transition-property(opacity, height);
	@include transition-duration($unfold-ms * 3, 0s);
	@include transition-timing-function(ease-out);
	@include transition-delay(0s, $unfold-ms * 3);
	@include opacity(0);

	&.o {
		@include transition-delay(0s, 0s);
		@include opacity(1);
		height: 100%;
	}
}

#grid {
	width: 100%;
	height: 100%;
	@include transition($fade-in-ms, opacity, ease-out);
	@include opacity(0);
	font-size: 20px;

	&.loaded {
		@include opacity(1);
	}

	.cell {
		position: absolute;
		width: 256px;
		height: 256px;
		overflow: hidden;
		background: url(http://labs.juan.me/gallery/images/loading-10.gif) no-repeat center center;

		&.ov {
			overflow: visible;
		}

		.detail {
			position: absolute;
			top: 0;
			left: 0;
			width: 200%;
			height: 200%;
			@include opacity(0);

			&.l {
				left: -100%;
			}

			&.t {
				top: -100%;
			}

			.close {
				position: absolute;
				top: 3%;
				right: 3%;
				width: 35px;
				height:35px;
				z-index: 9;
				background: black;
				@include opacity(0);
				@include transition($fade-in-ms, opacity, ease-out, ($unfold-ms * 3) + $fade-in-ms);

				span {
					position: absolute;
					top: 0;
					right: 0;
					bottom: 0;
					left: 0;
					background: url(http://labs.juan.me/gallery/images/icon-close.png) no-repeat center center;
					@include transition($rotate-ms, all, ease-out);

					&:hover {
						@include rotate(90deg);
					}
				}
			}

			.image-detail {
				position: absolute;
				top: 0;
				left: 0;
				width: 100%;
				height: 100%;
				background: white;
				@include opacity(0);
				z-index: 8;
				@include transition($fade-out-ms, opacity, ease-out, $unfold-ms * 3);

				img {
					width: 100%;
				}
			}

			&.o {
				@include opacity(1);
			}

			&.open {
				z-index: 7;
				@include perspective(500);
				@include perspective-origin(25%, 0%);

				.close {
					@include opacity(.5);
				}

				.tl {
					@include transform(rotateX(0deg));
					@include opacity(1);
				}

				.bl {
					@include transform(rotateX(0deg));
					@include opacity(1);
				}

				.tr {
					@include transform(rotateY(0deg));
					@include opacity(1);
				}
				.image-detail {
					@include opacity(1);
				}
			}

			&.close {
				.close {
					@include transition($fade-out-ms, opacity, ease-out, 0s);
					@include opacity(0);
				}

				.image-detail {
					@include transition($fade-out-ms, opacity, ease-out, 0s);
					@include opacity(0);
				}

				.tr {
					@include transition($unfold-ms, all, linear, $fade-out-ms);					
					@include transform(rotateY(90deg));
					@include opacity(0);
				}
				.bl {
					@include transition($unfold-ms, all, linear, $fade-out-ms + $unfold-ms);					
					@include transform(rotateX(-90deg));
					@include opacity(0);
				}
				.tl {
					@include transition($unfold-ms, all, linear, $fade-out-ms + ($unfold-ms * 2));					
					@include transform(rotateX(-90deg));
					@include opacity(0);
				}
			}

			.tl {
				position: absolute;
				top: 0;
				left: 0;
				width: 50%;
				height: 50%;
				background: white;
				@include transition($unfold-ms, all, linear);
				@include opacity(0);
				@include transform-origin(0%, 0%);
				@include transform(rotateX(-90deg));
				z-index: 6;
			}

			.bl {
				position: absolute;
				top: 50%;
				left: 0;
				width: 50%;
				height: 50%;
				background: white;
				@include transition($unfold-ms, all, linear, $unfold-ms );
				@include opacity(0);
				@include transform-origin(0%, 0%);
				@include transform(rotateX(-90deg));
				z-index: 5;
			}

			.tr {
				position: absolute;
				top: 0;
				left: 50%;
				width: 50%;
				height: 100%;
				background: white;
				z-index: 4;
				@include transition($unfold-ms, all, linear, ($unfold-ms * 2));
				@include opacity(0);
				@include transform-origin(0%, 0%);
				@include transform(rotateY(90deg));
			}
		}

		&.no-bg {
			background: none;
		}

		&.loaded {
			.image {
				img {
					@include opacity(1);
				}
			}

			.info {
				display: table;
			}
		}

		.info {
			display: none;
			position: absolute;
			height: inherit;
			width: inherit;
			top: 0;
			right: 0;
			bottom: 0;
			left: 0;
			z-index: 2;
			background: rgba(255, 255, 255, 0.8);
			@include opacity(0);
			@include transition($fade-out-ms, opacity, ease-out);
			
			&:hover {
				@include opacity(1);
			}

			.w {
				display: table-cell;
				vertical-align: middle;

				h2 {
					color: #333;
					background: none;
					text-align: center;
					@include font($din-light, 100%);
					padding: 0 5% 0 5%;
				}				
			}
		}

		.image {
			position: absolute;
			height: inherit;
			width: inherit;
			top: 0;
			right: 0;
			bottom: 0;
			left: 0;
			z-index: 1;

			img {
				width: 100%;
				@include transition($fade-out-ms, opacity, ease-out);
				@include opacity(0);					
			}			
		}

	}
}	

              
            
!

JS

              
                function App() {
	var self = this;

	// this.feedUrl			= "json/media.json";
	this.debug 				= true;
	this.cellElement		= null;
	this.window				= $(window);
	this.grid				= $("#grid");
	this.fadeOutMs			= 500;
	this.unFoldMs			= 300;
	this.preloader			= $("#preloader");
	this.veil				= $("#veil");
	this.currentMedia		= null;

	// initialize
	this._init = function() {

		// load media feed
		self.loadFeed(function(d) {

			// add elements to the DOM
			self.addToDOM(d);

			self.cellElement = $(".cell");
			self.window.on('resize', self.resizeHandler).resize();

			// hide loader and show grid
			self.preloader.addClass('o');
			window.setTimeout(function() {
				self.grid.addClass('loaded');
			}, self.fadeOutMs);
		});

		// prepare pop state to load medias
		window.onpopstate = function(e) {
			if (e.state) self.loadMedia(e.state);
		}

		// click on veil will close the current media
		self.veil.on('click', function(e) {
			e.preventDefault();
			if (self.currentMedia) self.closeMedia(self.currentMedia);
		});

		// hotkeys
		$(document).on('keydown', function(event) {
			switch (event.keyCode) {
				// ESC
				case 27:
					// close the current media
					if (self.currentMedia != null) self.closeMedia(self.currentMedia);
				return false;
			}
		});
	}


	// load media.json
	this.loadFeed = function(callback) {
		callback(media);
		// $.ajax({
		// 	url: self.feedUrl,
		// 	type: 'GET',
		// 	dataType: 'json', 
		// 	complete: function(xhr, textStatus) {
		// 	},
		// 	success: function(data, textStatus, xhr) {
		// 		callback(data);
		// 	},
		// 	error: function(xhr, textStatus, errorThrown) {
		// 	}
		// });
	}

	// add media elements to the DOM
	this.addToDOM = function(d) {
		var htmlImage = '<a href="#" class="cell image" data-id-media="{id-media}"><div class="detail"><div class="close"><span></span></div><div class="image-detail"></div><div class="tl"></div><div class="bl"></div><div class="tr"></div></div><div class="info"><div class="w"><h2>{title}</h2></div></div><div class="image"><img src="{img-src}"></div></a>', 
			nroMedia = d.media.length;

		$.each(d.media, function(i, v) {
			self.grid.append(htmlImage.replace('{img-src}', v.url).replace('{title}', v.title).replace('{id-media}', v.id));

			// moving the detail view if media element is at the end of the grid
			if ((i + 1) % 5 == 0) $("a[data-id-media='" + v.id + "']").find('.detail:first').addClass('l');
			if (i >= (nroMedia - 5)) $("a[data-id-media='" + v.id + "']").find('.detail:first').addClass('t');

			// event to load media
			$("a[data-id-media='" + v.id + "']").on('click', function(e) {
				e.preventDefault();
				console.log(v);
				self.loadMedia(v);
			});

			// doesn't show the image until it's fully loaded, and then will fade in.
			self.grid.find("img:last").on('load', function() {
				$(this).closest('a.cell').addClass("loaded");
				window.setTimeout(function() {
					$(this).closest('a.cell').addClass('no-bg');
				}, self.fadeOutMs);
			})
		});

	}

	// load media and set push state
	this.loadMedia = function(m) {
		window.history.pushState(m, m.title + m.id, "/" + m.id + ".html");
		if (m.id != self.currentMedia) {
			self.openMedia(m);
		} else {
			if (self.currentMedia != null) self.closeMedia(self.currentMedia);
		}
	}

	// open a media element
	this.openMedia = function(m) {
		var $cellMedia = $("a[data-id-media='" + m.id + "']"), 
			$detail = $cellMedia.find('.detail'), 
			htmlImage = '<img src="{img-src}" />', 
			waitForIt = 0;

		// if a media element is open will close it first
		if (self.currentMedia != null) {
			self.closeMedia(self.currentMedia);
			waitForIt = (self.unFoldMs * 2) + (self.fadeOutMs * 2);
		}

		window.setTimeout(function() {
			// if press back button in browser it will scroll to the position of the media element
			$('body, html').animate({scrollTop:$cellMedia.offset().top - 100}, 600);

			$detail.find('.image-detail:first').append(htmlImage.replace('{img-src}', m.url));
			$cellMedia.addClass('ov');
			$detail.addClass('open o');
			self.veil.addClass('o');
			self.currentMedia = m.id;
		}, waitForIt);
	}

	// close a media element
	this.closeMedia = function(m) {
		var $cellMedia = $("a[data-id-media='" + m + "']"), 
			$detail = $cellMedia.find('.detail');

		$detail.addClass('close');
		window.setTimeout(function() {
			$detail.removeClass('open close o');
			$detail.find('.image-detail:first').html('');
			self.currentMedia = null;
		}, (self.unFoldMs * 2) + (self.fadeOutMs * 2));

		window.setTimeout(function() {
			self.veil.removeClass('o');
		}, self.fadeOutMs);
	}

	// resize handler for fluid grid
	this.resizeHandler = function() {
		var c = 0, 
			r = 0, 
			widthCell = Math.ceil(self.window.width() / 5);

		$.each(self.cellElement, function(i, v) {
			$(v).css({'top': (r * widthCell), 'left': (c * widthCell), 'width': widthCell, 'height': widthCell});
			c++;
			if (c % 5 == 0) {
				c = 0;
				r++;
			}
		});
	}

	self._init();
}

var Gallery;

$(window).load(function() {
	Gallery = new App();
});
              
            
!
999px

Console