Add colorbox on thumnail pages

Signed-off-by: Florian Pritz <bluewind@xinu.at>

7 files changed, 1342 insertions, 1 deletions

diff --git a/application/views/file/fragments/thumbnail.php b/application/views/file/fragments/thumbnail.php
index 6bd82fcb9..0d7455369 100644
--- a/application/views/file/fragments/thumbnail.php
+++ b/application/views/file/fragments/thumbnail.php
@@ -1,8 +1,9 @@
+<?php register_js_include("/data/js/jquery.colorbox.js"); ?>
 <!-- Comment markers background: http://stackoverflow.com/a/14776780/953022 -->
 <div class="container container-wide">
 <div class="upload_thumbnails"><!--
 	<?php foreach($items as $key => $item): ?>
-		--><a href="<?php echo site_url("/".$item["id"])."/"; ?>" title="<?php echo htmlentities($item["filename"]); ?>" data-content="<?php echo htmlentities($item["tooltip"]); ?>" data-id="<?php echo $item["id"]; ?>"><img class="thumb" src="<?php echo site_url("file/thumbnail/".$item["id"]); ?>"></a><!--
+		--><a rel="gallery" class="colorbox" href="<?php echo site_url("/".$item["id"])."/"; ?>" title="<?php echo htmlentities($item["filename"]); ?>" data-content="<?php echo htmlentities($item["tooltip"]); ?>" data-id="<?php echo $item["id"]; ?>"><img class="thumb" src="<?php echo site_url("file/thumbnail/".$item["id"]); ?>"></a><!--
 	<?php endforeach; ?>
 	-->
 </div>
diff --git a/application/views/header.php b/application/views/header.php
index 8f246aeb8..ab947bd45 100644
--- a/application/views/header.php
+++ b/application/views/header.php
@@ -16,6 +16,7 @@ if (is_cli_client() && !isset($force_full_html)) {
 	<link href="<?php echo link_with_mtime("/data/css/ui-lightness/jquery-ui-1.10.3.custom.min.css"); ?>" rel="stylesheet">
 	<link href="<?php echo link_with_mtime("/data/css/bootstrap.min.css"); ?>" rel="stylesheet">
 	<link href="<?php echo link_with_mtime("/data/css/style.css"); ?>" rel="stylesheet">
+	<link href="<?php echo link_with_mtime("/data/css/colorbox.css"); ?>" rel="stylesheet">
 	<?php
 		if (file_exists(FCPATH."data/local/style.css")) {
 			echo '<link href="'.link_with_mtime("/data/local/style.css").'" rel="stylesheet">';
diff --git a/data/css/colorbox.css b/data/css/colorbox.css
new file mode 100644
index 000000000..395a01ebe
--- /dev/null
+++ b/data/css/colorbox.css
@@ -0,0 +1,71 @@
+/*
+    Colorbox Core Style:
+    The following CSS is consistent between example themes and should not be altered.
+*/
+#colorbox, #cboxOverlay, #cboxWrapper{position:absolute; top:0; left:0; z-index:9999; overflow:hidden;}
+#cboxWrapper {max-width:none;}
+#cboxOverlay{position:fixed; width:100%; height:100%;}
+#cboxMiddleLeft, #cboxBottomLeft{clear:left;}
+#cboxContent{position:relative;}
+#cboxLoadedContent{overflow:auto; -webkit-overflow-scrolling: touch;}
+#cboxTitle{margin:0;}
+#cboxLoadingOverlay, #cboxLoadingGraphic{position:absolute; top:0; left:0; width:100%; height:100%;}
+#cboxPrevious, #cboxNext, #cboxClose, #cboxSlideshow{cursor:pointer;}
+.cboxPhoto{float:left; margin:auto; border:0; display:block; max-width:none; -ms-interpolation-mode:bicubic;}
+.cboxIframe{width:100%; height:100%; display:block; border:0; padding:0; margin:0;}
+#colorbox, #cboxContent, #cboxLoadedContent{box-sizing:content-box; -moz-box-sizing:content-box; -webkit-box-sizing:content-box;}
+
+/* 
+    User Style:
+    Change the following styles to modify the appearance of Colorbox.  They are
+    ordered & tabbed in a way that represents the nesting of the generated HTML.
+*/
+#cboxOverlay{background:#000; opacity: 0.9; filter: alpha(opacity = 90);}
+#colorbox{outline:0;}
+    #cboxContent{margin-top:32px; overflow:visible; background:#000;}
+        .cboxIframe{background:#fff;}
+        #cboxError{padding:50px; border:1px solid #ccc;}
+        #cboxLoadedContent{background:#000; padding:1px;}
+        #cboxLoadingGraphic{background:url(/data/img/colorbox/loading.gif) no-repeat center center;}
+        #cboxLoadingOverlay{background:#000;}
+        #cboxTitle{position:absolute; top:-22px; left:0; color:#000;}
+        #cboxCurrent{position:absolute; top:-22px; right:205px; text-indent:-9999px; display: none;}
+
+        /* these elements are buttons, and may need to have additional styles reset to avoid unwanted base styles */
+		/*#cboxPrevious, #cboxNext, #cboxSlideshow, #cboxClose {border:0; padding:0; margin:0; overflow:visible; text-indent:-9999px; width:20px; height:20px; position:absolute; top:-20px; background:url(/data/img/colorbox/controls.png) no-repeat 0 0;}*/
+
+		#cboxPrevious, #cboxNext, #cboxSlideshow, #cboxClose {
+			border:0;
+			padding:0;
+			margin:0;
+			overflow:visible;
+			width:20px;
+			height:20px;
+			position:absolute;
+			top:-20px;
+			background: transparent;
+			color: #fff;
+		}
+
+		#cboxPrevious{right:44px;}
+		#cboxNext{right:22px;}
+		#cboxClose{right:0;}
+		.cboxSlideshow_on #cboxSlideshow, .cboxSlideshow_off #cboxSlideshow{right:44px;}
+		.cboxSlideshow_on #cboxPrevious, .cboxSlideshow_off #cboxPrevious{right:66px;}
+        /* avoid outlines on :active (mouseclick), but preserve outlines on :focus (tabbed navigating) */
+		/*#cboxPrevious:active, #cboxNext:active, #cboxSlideshow:active, #cboxClose:active {outline:0;}*/
+
+		/*#cboxPrevious{background-position:0px 0px; right:44px;}*/
+		/*#cboxPrevious:hover{background-position:0px -25px;}*/
+		/*#cboxNext{background-position:-25px 0px; right:22px;}*/
+		/*#cboxNext:hover{background-position:-25px -25px;}*/
+		/*#cboxClose{background-position:-50px 0px; right:0;}*/
+		/*#cboxClose:hover{background-position:-50px -25px;}*/
+		/*.cboxSlideshow_on #cboxPrevious, .cboxSlideshow_off #cboxPrevious{right:66px;}*/
+		/*.cboxSlideshow_on #cboxSlideshow{background-position:-75px -25px; right:44px;}*/
+		/*.cboxSlideshow_on #cboxSlideshow:hover{background-position:-100px -25px;}*/
+		/*.cboxSlideshow_off #cboxSlideshow{background-position:-100px 0px; right:44px;}*/
+		/*.cboxSlideshow_off #cboxSlideshow:hover{background-position:-75px -25px;}*/
+
+
+
diff --git a/data/img/colorbox/loading.gif b/data/img/colorbox/loading.gif
new file mode 100644
index 000000000..a32df5c08
--- /dev/null
+++ b/data/img/colorbox/loading.gif
diff --git a/data/js/jquery.colorbox.js b/data/js/jquery.colorbox.js
new file mode 100644
index 000000000..c0348849e
--- /dev/null
+++ b/data/js/jquery.colorbox.js
@@ -0,0 +1,1090 @@
+/*!
+	Colorbox 1.5.14
+	license: MIT
+	http://www.jacklmoore.com/colorbox
+*/
+(function ($, document, window) {
+	var
+	// Default settings object.
+	// See http://jacklmoore.com/colorbox for details.
+	defaults = {
+		// data sources
+		html: false,
+		photo: false,
+		iframe: false,
+		inline: false,
+
+		// behavior and appearance
+		transition: "elastic",
+		speed: 300,
+		fadeOut: 300,
+		width: false,
+		initialWidth: "600",
+		innerWidth: false,
+		maxWidth: false,
+		height: false,
+		initialHeight: "450",
+		innerHeight: false,
+		maxHeight: false,
+		scalePhotos: true,
+		scrolling: true,
+		opacity: 0.9,
+		preloading: true,
+		className: false,
+		overlayClose: true,
+		escKey: true,
+		arrowKey: true,
+		top: false,
+		bottom: false,
+		left: false,
+		right: false,
+		fixed: false,
+		data: undefined,
+		closeButton: true,
+		fastIframe: true,
+		open: false,
+		reposition: true,
+		loop: true,
+		slideshow: false,
+		slideshowAuto: true,
+		slideshowSpeed: 2500,
+		slideshowStart: "start slideshow",
+		slideshowStop: "stop slideshow",
+		photoRegex: /\.(gif|png|jp(e|g|eg)|bmp|ico|webp|jxr|svg)((#|\?).*)?$/i,
+
+		// alternate image paths for high-res displays
+		retinaImage: false,
+		retinaUrl: false,
+		retinaSuffix: '@2x.$1',
+
+		// internationalization
+		current: "image {current} of {total}",
+		previous: "previous",
+		next: "next",
+		close: "close",
+		xhrError: "This content failed to load.",
+		imgError: "This image failed to load.",
+
+		// accessbility
+		returnFocus: true,
+		trapFocus: true,
+
+		// callbacks
+		onOpen: false,
+		onLoad: false,
+		onComplete: false,
+		onCleanup: false,
+		onClosed: false,
+
+		rel: function() {
+			return this.rel;
+		},
+		href: function() {
+			// using this.href would give the absolute url, when the href may have been inteded as a selector (e.g. '#container')
+			return $(this).attr('href');
+		},
+		title: function() {
+			return this.title;
+		}
+	},
+
+	// Abstracting the HTML and event identifiers for easy rebranding
+	colorbox = 'colorbox',
+	prefix = 'cbox',
+	boxElement = prefix + 'Element',
+	
+	// Events
+	event_open = prefix + '_open',
+	event_load = prefix + '_load',
+	event_complete = prefix + '_complete',
+	event_cleanup = prefix + '_cleanup',
+	event_closed = prefix + '_closed',
+	event_purge = prefix + '_purge',
+
+	// Cached jQuery Object Variables
+	$overlay,
+	$box,
+	$wrap,
+	$content,
+	$topBorder,
+	$leftBorder,
+	$rightBorder,
+	$bottomBorder,
+	$related,
+	$window,
+	$loaded,
+	$loadingBay,
+	$loadingOverlay,
+	$title,
+	$current,
+	$slideshow,
+	$next,
+	$prev,
+	$close,
+	$groupControls,
+	$events = $('<a/>'), // $({}) would be prefered, but there is an issue with jQuery 1.4.2
+	
+	// Variables for cached values or use across multiple functions
+	settings,
+	interfaceHeight,
+	interfaceWidth,
+	loadedHeight,
+	loadedWidth,
+	index,
+	photo,
+	open,
+	active,
+	closing,
+	loadingTimer,
+	publicMethod,
+	div = "div",
+	requests = 0,
+	previousCSS = {},
+	init;
+
+	// ****************
+	// HELPER FUNCTIONS
+	// ****************
+	
+	// Convenience function for creating new jQuery objects
+	function $tag(tag, id, css) {
+		var element = document.createElement(tag);
+
+		if (id) {
+			element.id = prefix + id;
+		}
+
+		if (css) {
+			element.style.cssText = css;
+		}
+
+		return $(element);
+	}
+	
+	// Get the window height using innerHeight when available to avoid an issue with iOS
+	// http://bugs.jquery.com/ticket/6724
+	function winheight() {
+		return window.innerHeight ? window.innerHeight : $(window).height();
+	}
+
+	function Settings(element, options) {
+		if (options !== Object(options)) {
+			options = {};
+		}
+
+		this.cache = {};
+		this.el = element;
+
+		this.value = function(key) {
+			var dataAttr;
+
+			if (this.cache[key] === undefined) {
+				dataAttr = $(this.el).attr('data-cbox-'+key);
+
+				if (dataAttr !== undefined) {
+					this.cache[key] = dataAttr;
+				} else if (options[key] !== undefined) {
+					this.cache[key] = options[key];
+				} else if (defaults[key] !== undefined) {
+					this.cache[key] = defaults[key];
+				}
+			}
+
+			return this.cache[key];
+		};
+
+		this.get = function(key) {
+			var value = this.value(key);
+			return $.isFunction(value) ? value.call(this.el, this) : value;
+		};
+	}
+
+	// Determine the next and previous members in a group.
+	function getIndex(increment) {
+		var
+		max = $related.length,
+		newIndex = (index + increment) % max;
+		
+		return (newIndex < 0) ? max + newIndex : newIndex;
+	}
+
+	// Convert '%' and 'px' values to integers
+	function setSize(size, dimension) {
+		return Math.round((/%/.test(size) ? ((dimension === 'x' ? $window.width() : winheight()) / 100) : 1) * parseInt(size, 10));
+	}
+	
+	// Checks an href to see if it is a photo.
+	// There is a force photo option (photo: true) for hrefs that cannot be matched by the regex.
+	function isImage(settings, url) {
+		return settings.get('photo') || settings.get('photoRegex').test(url);
+	}
+
+	function retinaUrl(settings, url) {
+		return settings.get('retinaUrl') && window.devicePixelRatio > 1 ? url.replace(settings.get('photoRegex'), settings.get('retinaSuffix')) : url;
+	}
+
+	function trapFocus(e) {
+		if ('contains' in $box[0] && !$box[0].contains(e.target) && e.target !== $overlay[0]) {
+			e.stopPropagation();
+			$box.focus();
+		}
+	}
+
+	function setClass(str) {
+		if (setClass.str !== str) {
+			$box.add($overlay).removeClass(setClass.str).addClass(str);
+			setClass.str = str;
+		}
+	}
+
+	function getRelated(rel) {
+		index = 0;
+		
+		if (rel && rel !== false && rel !== 'nofollow') {
+			$related = $('.' + boxElement).filter(function () {
+				var options = $.data(this, colorbox);
+				var settings = new Settings(this, options);
+				return (settings.get('rel') === rel);
+			});
+			index = $related.index(settings.el);
+			
+			// Check direct calls to Colorbox.
+			if (index === -1) {
+				$related = $related.add(settings.el);
+				index = $related.length - 1;
+			}
+		} else {
+			$related = $(settings.el);
+		}
+	}
+
+	function trigger(event) {
+		// for external use
+		$(document).trigger(event);
+		// for internal use
+		$events.triggerHandler(event);
+	}
+
+	var slideshow = (function(){
+		var active,
+			className = prefix + "Slideshow_",
+			click = "click." + prefix,
+			timeOut;
+
+		function clear () {
+			clearTimeout(timeOut);
+		}
+
+		function set() {
+			if (settings.get('loop') || $related[index + 1]) {
+				clear();
+				timeOut = setTimeout(publicMethod.next, settings.get('slideshowSpeed'));
+			}
+		}
+
+		function start() {
+			$slideshow
+				.html(settings.get('slideshowStop'))
+				.unbind(click)
+				.one(click, stop);
+
+			$events
+				.bind(event_complete, set)
+				.bind(event_load, clear);
+
+			$box.removeClass(className + "off").addClass(className + "on");
+		}
+
+		function stop() {
+			clear();
+			
+			$events
+				.unbind(event_complete, set)
+				.unbind(event_load, clear);
+
+			$slideshow
+				.html(settings.get('slideshowStart'))
+				.unbind(click)
+				.one(click, function () {
+					publicMethod.next();
+					start();
+				});
+
+			$box.removeClass(className + "on").addClass(className + "off");
+		}
+
+		function reset() {
+			active = false;
+			$slideshow.hide();
+			clear();
+			$events
+				.unbind(event_complete, set)
+				.unbind(event_load, clear);
+			$box.removeClass(className + "off " + className + "on");
+		}
+
+		return function(){
+			if (active) {
+				if (!settings.get('slideshow')) {
+					$events.unbind(event_cleanup, reset);
+					reset();
+				}
+			} else {
+				if (settings.get('slideshow') && $related[1]) {
+					active = true;
+					$events.one(event_cleanup, reset);
+					if (settings.get('slideshowAuto')) {
+						start();
+					} else {
+						stop();
+					}
+					$slideshow.show();
+				}
+			}
+		};
+
+	}());
+
+
+	function launch(element) {
+		var options;
+
+		if (!closing) {
+
+			options = $(element).data(colorbox);
+
+			settings = new Settings(element, options);
+			
+			getRelated(settings.get('rel'));
+
+			if (!open) {
+				open = active = true; // Prevents the page-change action from queuing up if the visitor holds down the left or right keys.
+
+				setClass(settings.get('className'));
+				
+				// Show colorbox so the sizes can be calculated in older versions of jQuery
+				$box.css({visibility:'hidden', display:'block', opacity:''});
+				
+				$loaded = $tag(div, 'LoadedContent', 'width:0; height:0; overflow:hidden; visibility:hidden');
+				$content.css({width:'', height:''}).append($loaded);
+
+				// Cache values needed for size calculations
+				interfaceHeight = $topBorder.height() + $bottomBorder.height() + $content.outerHeight(true) - $content.height();
+				interfaceWidth = $leftBorder.width() + $rightBorder.width() + $content.outerWidth(true) - $content.width();
+				loadedHeight = $loaded.outerHeight(true);
+				loadedWidth = $loaded.outerWidth(true);
+
+				// Opens inital empty Colorbox prior to content being loaded.
+				var initialWidth = setSize(settings.get('initialWidth'), 'x');
+				var initialHeight = setSize(settings.get('initialHeight'), 'y');
+				var maxWidth = settings.get('maxWidth');
+				var maxHeight = settings.get('maxHeight');
+
+				settings.w = (maxWidth !== false ? Math.min(initialWidth, setSize(maxWidth, 'x')) : initialWidth) - loadedWidth - interfaceWidth;
+				settings.h = (maxHeight !== false ? Math.min(initialHeight, setSize(maxHeight, 'y')) : initialHeight) - loadedHeight - interfaceHeight;
+
+				$loaded.css({width:'', height:settings.h});
+				publicMethod.position();
+
+				trigger(event_open);
+				settings.get('onOpen');
+
+				$groupControls.add($title).hide();
+
+				$box.focus();
+				
+				if (settings.get('trapFocus')) {
+					// Confine focus to the modal
+					// Uses event capturing that is not supported in IE8-
+					if (document.addEventListener) {
+
+						document.addEventListener('focus', trapFocus, true);
+						
+						$events.one(event_closed, function () {
+							document.removeEventListener('focus', trapFocus, true);
+						});
+					}
+				}
+
+				// Return focus on closing
+				if (settings.get('returnFocus')) {
+					$events.one(event_closed, function () {
+						$(settings.el).focus();
+					});
+				}
+			}
+
+			var opacity = parseFloat(settings.get('opacity'));
+			$overlay.css({
+				opacity: opacity === opacity ? opacity : '',
+				cursor: settings.get('overlayClose') ? 'pointer' : '',
+				visibility: 'visible'
+			}).show();
+			
+			if (settings.get('closeButton')) {
+				$close.html(settings.get('close')).appendTo($content);
+			} else {
+				$close.appendTo('<div/>'); // replace with .detach() when dropping jQuery < 1.4
+			}
+
+			load();
+		}
+	}
+
+	// Colorbox's markup needs to be added to the DOM prior to being called
+	// so that the browser will go ahead and load the CSS background images.
+	function appendHTML() {
+		if (!$box) {
+			init = false;
+			$window = $(window);
+			$box = $tag(div).attr({
+				id: colorbox,
+				'class': $.support.opacity === false ? prefix + 'IE' : '', // class for optional IE8 & lower targeted CSS.
+				role: 'dialog',
+				tabindex: '-1'
+			}).hide();
+			$overlay = $tag(div, "Overlay").hide();
+			$loadingOverlay = $([$tag(div, "LoadingOverlay")[0],$tag(div, "LoadingGraphic")[0]]);
+			$wrap = $tag(div, "Wrapper");
+			$content = $tag(div, "Content").append(
+				$title = $tag(div, "Title"),
+				$current = $tag(div, "Current"),
+				$prev = $('<button type="button"/>').attr({id:prefix+'Previous'}),
+				$next = $('<button type="button"/>').attr({id:prefix+'Next'}),
+				$slideshow = $tag('button', "Slideshow"),
+				$loadingOverlay
+			);
+
+			$close = $('<button type="button"/>').attr({id:prefix+'Close'});
+			
+			$wrap.append( // The 3x3 Grid that makes up Colorbox
+				$tag(div).append(
+					$tag(div, "TopLeft"),
+					$topBorder = $tag(div, "TopCenter"),
+					$tag(div, "TopRight")
+				),
+				$tag(div, false, 'clear:left').append(
+					$leftBorder = $tag(div, "MiddleLeft"),
+					$content,
+					$rightBorder = $tag(div, "MiddleRight")
+				),
+				$tag(div, false, 'clear:left').append(
+					$tag(div, "BottomLeft"),
+					$bottomBorder = $tag(div, "BottomCenter"),
+					$tag(div, "BottomRight")
+				)
+			).find('div div').css({'float': 'left'});
+			
+			$loadingBay = $tag(div, false, 'position:absolute; width:9999px; visibility:hidden; display:none; max-width:none;');
+			
+			$groupControls = $next.add($prev).add($current).add($slideshow);
+		}
+		if (document.body && !$box.parent().length) {
+			$(document.body).append($overlay, $box.append($wrap, $loadingBay));
+		}
+	}
+
+	// Add Colorbox's event bindings
+	function addBindings() {
+		function clickHandler(e) {
+			// ignore non-left-mouse-clicks and clicks modified with ctrl / command, shift, or alt.
+			// See: http://jacklmoore.com/notes/click-events/
+			if (!(e.which > 1 || e.shiftKey || e.altKey || e.metaKey || e.ctrlKey)) {
+				e.preventDefault();
+				launch(this);
+			}
+		}
+
+		if ($box) {
+			if (!init) {
+				init = true;
+
+				// Anonymous functions here keep the public method from being cached, thereby allowing them to be redefined on the fly.
+				$next.click(function () {
+					publicMethod.next();
+				});
+				$prev.click(function () {
+					publicMethod.prev();
+				});
+				$close.click(function () {
+					publicMethod.close();
+				});
+				$overlay.click(function () {
+					if (settings.get('overlayClose')) {
+						publicMethod.close();
+					}
+				});
+				
+				// Key Bindings
+				$(document).bind('keydown.' + prefix, function (e) {
+					var key = e.keyCode;
+					if (open && settings.get('escKey') && key === 27) {
+						e.preventDefault();
+						publicMethod.close();
+					}
+					if (open && settings.get('arrowKey') && $related[1] && !e.altKey) {
+						if (key === 37) {
+							e.preventDefault();
+							$prev.click();
+						} else if (key === 39) {
+							e.preventDefault();
+							$next.click();
+						}
+					}
+				});
+
+				if ($.isFunction($.fn.on)) {
+					// For jQuery 1.7+
+					$(document).on('click.'+prefix, '.'+boxElement, clickHandler);
+				} else {
+					// For jQuery 1.3.x -> 1.6.x
+					// This code is never reached in jQuery 1.9, so do not contact me about 'live' being removed.
+					// This is not here for jQuery 1.9, it's here for legacy users.
+					$('.'+boxElement).live('click.'+prefix, clickHandler);
+				}
+			}
+			return true;
+		}
+		return false;
+	}
+
+	// Don't do anything if Colorbox already exists.
+	if ($[colorbox]) {
+		return;
+	}
+
+	// Append the HTML when the DOM loads
+	$(appendHTML);
+
+
+	// ****************
+	// PUBLIC FUNCTIONS
+	// Usage format: $.colorbox.close();
+	// Usage from within an iframe: parent.jQuery.colorbox.close();
+	// ****************
+	
+	publicMethod = $.fn[colorbox] = $[colorbox] = function (options, callback) {
+		var settings;
+		var $obj = this;
+
+		options = options || {};
+
+		if ($.isFunction($obj)) { // assume a call to $.colorbox
+			$obj = $('<a/>');
+			options.open = true;
+		} else if (!$obj[0]) { // colorbox being applied to empty collection
+			return $obj;
+		}
+
+
+		if (!$obj[0]) { // colorbox being applied to empty collection
+			return $obj;
+		}
+		
+		appendHTML();
+
+		if (addBindings()) {
+
+			if (callback) {
+				options.onComplete = callback;
+			}
+
+			$obj.each(function () {
+				var old = $.data(this, colorbox) || {};
+				$.data(this, colorbox, $.extend(old, options));
+			}).addClass(boxElement);
+
+			settings = new Settings($obj[0], options);
+			
+			if (settings.get('open')) {
+				launch($obj[0]);
+			}
+		}
+		
+		return $obj;
+	};
+
+	publicMethod.position = function (speed, loadedCallback) {
+		var
+		css,
+		top = 0,
+		left = 0,
+		offset = $box.offset(),
+		scrollTop,
+		scrollLeft;
+		
+		$window.unbind('resize.' + prefix);
+
+		// remove the modal so that it doesn't influence the document width/height
+		$box.css({top: -9e4, left: -9e4});
+
+		scrollTop = $window.scrollTop();
+		scrollLeft = $window.scrollLeft();
+
+		if (settings.get('fixed')) {
+			offset.top -= scrollTop;
+			offset.left -= scrollLeft;
+			$box.css({position: 'fixed'});
+		} else {
+			top = scrollTop;
+			left = scrollLeft;
+			$box.css({position: 'absolute'});
+		}
+
+		// keeps the top and left positions within the browser's viewport.
+		if (settings.get('right') !== false) {
+			left += Math.max($window.width() - settings.w - loadedWidth - interfaceWidth - setSize(settings.get('right'), 'x'), 0);
+		} else if (settings.get('left') !== false) {
+			left += setSize(settings.get('left'), 'x');
+		} else {
+			left += Math.round(Math.max($window.width() - settings.w - loadedWidth - interfaceWidth, 0) / 2);
+		}
+		
+		if (settings.get('bottom') !== false) {
+			top += Math.max(winheight() - settings.h - loadedHeight - interfaceHeight - setSize(settings.get('bottom'), 'y'), 0);
+		} else if (settings.get('top') !== false) {
+			top += setSize(settings.get('top'), 'y');
+		} else {
+			top += Math.round(Math.max(winheight() - settings.h - loadedHeight - interfaceHeight, 0) / 2);
+		}
+
+		$box.css({top: offset.top, left: offset.left, visibility:'visible'});
+		
+		// this gives the wrapper plenty of breathing room so it's floated contents can move around smoothly,
+		// but it has to be shrank down around the size of div#colorbox when it's done.  If not,
+		// it can invoke an obscure IE bug when using iframes.
+		$wrap[0].style.width = $wrap[0].style.height = "9999px";
+		
+		function modalDimensions() {
+			$topBorder[0].style.width = $bottomBorder[0].style.width = $content[0].style.width = (parseInt($box[0].style.width,10) - interfaceWidth)+'px';
+			$content[0].style.height = $leftBorder[0].style.height = $rightBorder[0].style.height = (parseInt($box[0].style.height,10) - interfaceHeight)+'px';
+		}
+
+		css = {width: settings.w + loadedWidth + interfaceWidth, height: settings.h + loadedHeight + interfaceHeight, top: top, left: left};
+
+		// setting the speed to 0 if the content hasn't changed size or position
+		if (speed) {
+			var tempSpeed = 0;
+			$.each(css, function(i){
+				if (css[i] !== previousCSS[i]) {
+					tempSpeed = speed;
+					return;
+				}
+			});
+			speed = tempSpeed;
+		}
+
+		previousCSS = css;
+
+		if (!speed) {
+			$box.css(css);
+		}
+
+		$box.dequeue().animate(css, {
+			duration: speed || 0,
+			complete: function () {
+				modalDimensions();
+				
+				active = false;
+				
+				// shrink the wrapper down to exactly the size of colorbox to avoid a bug in IE's iframe implementation.
+				$wrap[0].style.width = (settings.w + loadedWidth + interfaceWidth) + "px";
+				$wrap[0].style.height = (settings.h + loadedHeight + interfaceHeight) + "px";
+				
+				if (settings.get('reposition')) {
+					setTimeout(function () {  // small delay before binding onresize due to an IE8 bug.
+						$window.bind('resize.' + prefix, publicMethod.position);
+					}, 1);
+				}
+
+				if ($.isFunction(loadedCallback)) {
+					loadedCallback();
+				}
+			},
+			step: modalDimensions
+		});
+	};
+
+	publicMethod.resize = function (options) {
+		var scrolltop;
+		
+		if (open) {
+			options = options || {};
+			
+			if (options.width) {
+				settings.w = setSize(options.width, 'x') - loadedWidth - interfaceWidth;
+			}
+
+			if (options.innerWidth) {
+				settings.w = setSize(options.innerWidth, 'x');
+			}
+
+			$loaded.css({width: settings.w});
+			
+			if (options.height) {
+				settings.h = setSize(options.height, 'y') - loadedHeight - interfaceHeight;
+			}
+
+			if (options.innerHeight) {
+				settings.h = setSize(options.innerHeight, 'y');
+			}
+
+			if (!options.innerHeight && !options.height) {
+				scrolltop = $loaded.scrollTop();
+				$loaded.css({height: "auto"});
+				settings.h = $loaded.height();
+			}
+
+			$loaded.css({height: settings.h});
+
+			if(scrolltop) {
+				$loaded.scrollTop(scrolltop);
+			}
+			
+			publicMethod.position(settings.get('transition') === "none" ? 0 : settings.get('speed'));
+		}
+	};
+
+	publicMethod.prep = function (object) {
+		if (!open) {
+			return;
+		}
+		
+		var callback, speed = settings.get('transition') === "none" ? 0 : settings.get('speed');
+
+		$loaded.remove();
+
+		$loaded = $tag(div, 'LoadedContent').append(object);
+		
+		function getWidth() {
+			settings.w = settings.w || $loaded.width();
+			settings.w = settings.mw && settings.mw < settings.w ? settings.mw : settings.w;
+			return settings.w;
+		}
+		function getHeight() {
+			settings.h = settings.h || $loaded.height();
+			settings.h = settings.mh && settings.mh < settings.h ? settings.mh : settings.h;
+			return settings.h;
+		}
+		
+		$loaded.hide()
+		.appendTo($loadingBay.show())// content has to be appended to the DOM for accurate size calculations.
+		.css({width: getWidth(), overflow: settings.get('scrolling') ? 'auto' : 'hidden'})
+		.css({height: getHeight()})// sets the height independently from the width in case the new width influences the value of height.
+		.prependTo($content);
+		
+		$loadingBay.hide();
+		
+		// floating the IMG removes the bottom line-height and fixed a problem where IE miscalculates the width of the parent element as 100% of the document width.
+		
+		$(photo).css({'float': 'none'});
+
+		setClass(settings.get('className'));
+
+		callback = function () {
+			var total = $related.length,
+				iframe,
+				complete;
+			
+			if (!open) {
+				return;
+			}
+			
+			function removeFilter() { // Needed for IE8 in versions of jQuery prior to 1.7.2
+				if ($.support.opacity === false) {
+					$box[0].style.removeAttribute('filter');
+				}
+			}
+			
+			complete = function () {
+				clearTimeout(loadingTimer);
+				$loadingOverlay.hide();
+				trigger(event_complete);
+				settings.get('onComplete');
+			};
+
+			
+			$title.html(settings.get('title')).show();
+			$loaded.show();
+			
+			if (total > 1) { // handle grouping
+				if (typeof settings.get('current') === "string") {
+					$current.html(settings.get('current').replace('{current}', index + 1).replace('{total}', total)).show();
+				}
+				
+				$next[(settings.get('loop') || index < total - 1) ? "show" : "hide"]().html(settings.get('next'));
+				$prev[(settings.get('loop') || index) ? "show" : "hide"]().html(settings.get('previous'));
+				
+				slideshow();
+				
+				// Preloads images within a rel group
+				if (settings.get('preloading')) {
+					$.each([getIndex(-1), getIndex(1)], function(){
+						var img,
+							i = $related[this],
+							settings = new Settings(i, $.data(i, colorbox)),
+							src = settings.get('href');
+
+						if (src && isImage(settings, src)) {
+							src = retinaUrl(settings, src);
+							img = document.createElement('img');
+							img.src = src;
+						}
+					});
+				}
+			} else {
+				$groupControls.hide();
+			}
+			
+			if (settings.get('iframe')) {
+				iframe = document.createElement('iframe');
+				
+				if ('frameBorder' in iframe) {
+					iframe.frameBorder = 0;
+				}
+				
+				if ('allowTransparency' in iframe) {
+					iframe.allowTransparency = "true";
+				}
+
+				if (!settings.get('scrolling')) {
+					iframe.scrolling = "no";
+				}
+				
+				$(iframe)
+					.attr({
+						src: settings.get('href'),
+						name: (new Date()).getTime(), // give the iframe a unique name to prevent caching
+						'class': prefix + 'Iframe',
+						allowFullScreen : true // allow HTML5 video to go fullscreen
+					})
+					.one('load', complete)
+					.appendTo($loaded);
+				
+				$events.one(event_purge, function () {
+					iframe.src = "//about:blank";
+				});
+
+				if (settings.get('fastIframe')) {
+					$(iframe).trigger('load');
+				}
+			} else {
+				complete();
+			}
+			
+			if (settings.get('transition') === 'fade') {
+				$box.fadeTo(speed, 1, removeFilter);
+			} else {
+				removeFilter();
+			}
+		};
+		
+		if (settings.get('transition') === 'fade') {
+			$box.fadeTo(speed, 0, function () {
+				publicMethod.position(0, callback);
+			});
+		} else {
+			publicMethod.position(speed, callback);
+		}
+	};
+
+	function load () {
+		var href, setResize, prep = publicMethod.prep, $inline, request = ++requests;
+		
+		active = true;
+		
+		photo = false;
+		
+		trigger(event_purge);
+		trigger(event_load);
+		settings.get('onLoad');
+		
+		settings.h = settings.get('height') ?
+				setSize(settings.get('height'), 'y') - loadedHeight - interfaceHeight :
+				settings.get('innerHeight') && setSize(settings.get('innerHeight'), 'y');
+		
+		settings.w = settings.get('width') ?
+				setSize(settings.get('width'), 'x') - loadedWidth - interfaceWidth :
+				settings.get('innerWidth') && setSize(settings.get('innerWidth'), 'x');
+		
+		// Sets the minimum dimensions for use in image scaling
+		settings.mw = settings.w;
+		settings.mh = settings.h;
+		
+		// Re-evaluate the minimum width and height based on maxWidth and maxHeight values.
+		// If the width or height exceed the maxWidth or maxHeight, use the maximum values instead.
+		if (settings.get('maxWidth')) {
+			settings.mw = setSize(settings.get('maxWidth'), 'x') - loadedWidth - interfaceWidth;
+			settings.mw = settings.w && settings.w < settings.mw ? settings.w : settings.mw;
+		}
+		if (settings.get('maxHeight')) {
+			settings.mh = setSize(settings.get('maxHeight'), 'y') - loadedHeight - interfaceHeight;
+			settings.mh = settings.h && settings.h < settings.mh ? settings.h : settings.mh;
+		}
+		
+		href = settings.get('href');
+		
+		loadingTimer = setTimeout(function () {
+			$loadingOverlay.show();
+		}, 100);
+		
+		if (settings.get('inline')) {
+			var $target = $(href);
+			// Inserts an empty placeholder where inline content is being pulled from.
+			// An event is bound to put inline content back when Colorbox closes or loads new content.
+			$inline = $('<div>').hide().insertBefore($target);
+
+			$events.one(event_purge, function () {
+				$inline.replaceWith($target);
+			});
+
+			prep($target);
+		} else if (settings.get('iframe')) {
+			// IFrame element won't be added to the DOM until it is ready to be displayed,
+			// to avoid problems with DOM-ready JS that might be trying to run in that iframe.
+			prep(" ");
+		} else if (settings.get('html')) {
+			prep(settings.get('html'));
+		} else if (isImage(settings, href)) {
+
+			href = retinaUrl(settings, href);
+
+			photo = new Image();
+
+			$(photo)
+			.addClass(prefix + 'Photo')
+			.bind('error',function () {
+				prep($tag(div, 'Error').html(settings.get('imgError')));
+			})
+			.one('load', function () {
+				if (request !== requests) {
+					return;
+				}
+
+				// A small pause because some browsers will occassionaly report a 
+				// img.width and img.height of zero immediately after the img.onload fires
+				setTimeout(function(){
+					var percent;
+
+					$.each(['alt', 'longdesc', 'aria-describedby'], function(i,val){
+						var attr = $(settings.el).attr(val) || $(settings.el).attr('data-'+val);
+						if (attr) {
+							photo.setAttribute(val, attr);
+						}
+					});
+
+					if (settings.get('retinaImage') && window.devicePixelRatio > 1) {
+						photo.height = photo.height / window.devicePixelRatio;
+						photo.width = photo.width / window.devicePixelRatio;
+					}
+
+					if (settings.get('scalePhotos')) {
+						setResize = function () {
+							photo.height -= photo.height * percent;
+							photo.width -= photo.width * percent;
+						};
+						if (settings.mw && photo.width > settings.mw) {
+							percent = (photo.width - settings.mw) / photo.width;
+							setResize();
+						}
+						if (settings.mh && photo.height > settings.mh) {
+							percent = (photo.height - settings.mh) / photo.height;
+							setResize();
+						}
+					}
+					
+					if (settings.h) {
+						photo.style.marginTop = Math.max(settings.mh - photo.height, 0) / 2 + 'px';
+					}
+					
+					if ($related[1] && (settings.get('loop') || $related[index + 1])) {
+						photo.style.cursor = 'pointer';
+						photo.onclick = function () {
+							publicMethod.next();
+						};
+					}
+
+					photo.style.width = photo.width + 'px';
+					photo.style.height = photo.height + 'px';
+					prep(photo);
+				}, 1);
+			});
+			
+			photo.src = href;
+
+		} else if (href) {
+			$loadingBay.load(href, settings.get('data'), function (data, status) {
+				if (request === requests) {
+					prep(status === 'error' ? $tag(div, 'Error').html(settings.get('xhrError')) : $(this).contents());
+				}
+			});
+		}
+	}
+		
+	// Navigates to the next page/image in a set.
+	publicMethod.next = function () {
+		if (!active && $related[1] && (settings.get('loop') || $related[index + 1])) {
+			index = getIndex(1);
+			launch($related[index]);
+		}
+	};
+	
+	publicMethod.prev = function () {
+		if (!active && $related[1] && (settings.get('loop') || index)) {
+			index = getIndex(-1);
+			launch($related[index]);
+		}
+	};
+
+	// Note: to use this within an iframe use the following format: parent.jQuery.colorbox.close();
+	publicMethod.close = function () {
+		if (open && !closing) {
+			
+			closing = true;
+			open = false;
+			trigger(event_cleanup);
+			settings.get('onCleanup');
+			$window.unbind('.' + prefix);
+			$overlay.fadeTo(settings.get('fadeOut') || 0, 0);
+			
+			$box.stop().fadeTo(settings.get('fadeOut') || 0, 0, function () {
+				$box.hide();
+				$overlay.hide();
+				trigger(event_purge);
+				$loaded.remove();
+				
+				setTimeout(function () {
+					closing = false;
+					trigger(event_closed);
+					settings.get('onClosed');
+				}, 1);
+			});
+		}
+	};
+
+	// Removes changes Colorbox made to the document, but does not remove the plugin.
+	publicMethod.remove = function () {
+		if (!$box) { return; }
+
+		$box.stop();
+		$[colorbox].close();
+		$box.stop(false, true).remove();
+		$overlay.remove();
+		closing = false;
+		$box = null;
+		$('.' + boxElement)
+			.removeData(colorbox)
+			.removeClass(boxElement);
+
+		$(document).unbind('click.'+prefix).unbind('keydown.'+prefix);
+	};
+
+	// A method for fetching the current element Colorbox is referencing.
+	// returns a jQuery object.
+	publicMethod.element = function () {
+		return $(settings.el);
+	};
+
+	publicMethod.settings = defaults;
+
+}(jQuery, document, window));
diff --git a/data/js/jquery.wheelzoom.js b/data/js/jquery.wheelzoom.js
new file mode 100644
index 000000000..85d75e56f
--- /dev/null
+++ b/data/js/jquery.wheelzoom.js
@@ -0,0 +1,162 @@
+/*!
+	Wheelzoom 2.0.1
+	license: MIT
+	http://www.jacklmoore.com/wheelzoom
+*/
+(function($){
+	var defaults = {
+		zoom: 0.10
+	};
+	var wheel;
+
+	function setSrcToBackground(img) {
+		var transparentPNG = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==";
+
+		// Explicitly set the size to the current dimensions,
+		// as the src is about to be changed to a 1x1 transparent png.
+		img.width = img.width;
+		img.height = img.height;
+
+		img.style.backgroundImage = "url('"+img.src+"')";
+		img.style.backgroundRepeat = 'no-repeat';
+		img.src = transparentPNG;
+	}
+
+	if ( document.onmousewheel !== undefined ) { // Webkit/Opera/IE
+		wheel = 'onmousewheel';
+	}
+	else if ( document.onwheel !== undefined) { // FireFox 17+
+		wheel = 'onwheel';
+	}
+
+	$.fn.wheelzoom = function(options){
+		var settings = $.extend({}, defaults, options);
+
+		if (!this[0] || !wheel || !('backgroundSize' in this[0].style)) { // do nothing in IE8 and lower
+			return this;
+		}
+
+		return this.each(function(){
+			var img = this,
+				$img = $(img);
+
+			function loaded() {
+				var width = $img.width(),
+					height = $img.height(),
+					bgWidth = width,
+					bgHeight = height,
+					bgPosX = 0,
+					bgPosY = 0;
+
+				function reset() {
+					bgWidth = width;
+					bgHeight = height;
+					bgPosX = bgPosY = 0;
+					updateBgStyle();
+				}
+
+				function updateBgStyle() {
+					if (bgPosX > 0) {
+						bgPosX = 0;
+					} else if (bgPosX < width - bgWidth) {
+						bgPosX = width - bgWidth;
+					}
+
+					if (bgPosY > 0) {
+						bgPosY = 0;
+					} else if (bgPosY < height - bgHeight) {
+						bgPosY = height - bgHeight;
+					}
+
+					img.style.backgroundSize = bgWidth+'px '+bgHeight+'px';
+					img.style.backgroundPosition = bgPosX+'px '+bgPosY+'px';
+				}
+
+				setSrcToBackground(img);
+
+				$img.css({
+					backgroundSize: width+'px '+height+'px',
+					backgroundPosition: '0 0'
+				}).bind('wheelzoom.reset', reset);
+
+				img[wheel] = function (e) {
+					var deltaY = 0;
+
+					e.preventDefault();
+
+					if (e.deltaY) { // FireFox 17+ (IE9+, Chrome 31+?)
+						deltaY = e.deltaY;
+					} else if (e.wheelDelta) {
+						deltaY = -e.wheelDelta;
+					}
+
+					// As far as I know, there is no good cross-browser way to get the cursor position relative to the event target.
+					// We have to calculate the target element's position relative to the document, and subtrack that from the
+					// cursor's position relative to the document.
+					var offsetParent = $img.offset();
+					var offsetX = e.pageX - offsetParent.left;
+					var offsetY = e.pageY - offsetParent.top;
+
+					// Record the offset between the bg edge and cursor:
+					var bgCursorX = offsetX - bgPosX;
+					var bgCursorY = offsetY - bgPosY;
+					
+					// Use the previous offset to get the percent offset between the bg edge and cursor:
+					var bgRatioX = bgCursorX/bgWidth;
+					var bgRatioY = bgCursorY/bgHeight;
+
+					// Update the bg size:
+					if (deltaY < 0) {
+						bgWidth += bgWidth*settings.zoom;
+						bgHeight += bgHeight*settings.zoom;
+					} else {
+						bgWidth -= bgWidth*settings.zoom;
+						bgHeight -= bgHeight*settings.zoom;
+					}
+
+					// Take the percent offset and apply it to the new size:
+					bgPosX = offsetX - (bgWidth * bgRatioX);
+					bgPosY = offsetY - (bgHeight * bgRatioY);
+
+					// Prevent zooming out beyond the starting size
+					if (bgWidth <= width || bgHeight <= height) {
+						reset();
+					} else {
+						updateBgStyle();
+					}
+				};
+
+				// Make the background draggable
+				img.onmousedown = function(e){
+					var last = e;
+
+					e.preventDefault();
+
+					function drag(e) {
+						e.preventDefault();
+						bgPosX += (e.pageX - last.pageX);
+						bgPosY += (e.pageY - last.pageY);
+						last = e;
+						updateBgStyle();
+					}
+
+					$(document)
+					.on('mousemove', drag)
+					.one('mouseup', function () {
+						$(document).unbind('mousemove', drag);
+					});
+				};
+			}
+
+			if (img.complete) {
+				loaded();
+			} else {
+				$img.one('load', loaded);
+			}
+
+		});
+	};
+
+	$.fn.wheelzoom.defaults = defaults;
+
+}(window.jQuery));
diff --git a/data/js/script.js b/data/js/script.js
index 77336a88e..9aabf7557 100644
--- a/data/js/script.js
+++ b/data/js/script.js
@@ -78,10 +78,12 @@ function fixedEncodeURIComponent (str) {
 					$('#delete_button').hide();
 					$("#delete_form input[id^='delete_']").remove();
 					$(".upload_thumbnails .marked").removeClass("marked");
+					setup_colorbox();
 					break;
 				default:
 					window.page_mode = "delete";
 					$('#delete_button').show();
+					$.colorbox.remove();
 					break;
 			}
 		});
@@ -236,5 +238,19 @@ function fixedEncodeURIComponent (str) {
 			});
 		}
 
+		function setup_colorbox() {
+			$('.colorbox').colorbox({
+				photo: true,
+				retinaImage: true,
+				maxHeight: "100%",
+				maxWidth: "100%",
+				next: '<span class="glyphicon glyphicon-chevron-right"></span>',
+				previous: '<span class="glyphicon glyphicon-chevron-left"></span>',
+				close: '<span class="glyphicon glyphicon-remove"></span>',
+				loop: false,
+			});
+		}
+		setup_colorbox();
+
 	});
 })(jQuery);