(function ($, document, window) { var // Default settings object. // See http://jacklmoore.com/colorbox for details. defaults = { transition: "elastic", speed: 300, width: false, initialWidth: "600", innerWidth: false, maxWidth: false, height: false, initialHeight: "450", innerHeight: false, maxHeight: false, scalePhotos: true, scrolling: true, inline: false, html: false, iframe: false, fastIframe: true, photo: false, href: false, title: false, rel: false, opacity: 0.9, preloading: true, current: "image {current} of {total}", previous: "previous", next: "next", close: "close", xhrError: "This content failed to load.", imgError: "This image failed to load.", open: false, returnFocus: true, reposition: true, loop: true, slideshow: false, slideshowAuto: true, slideshowSpeed: 2500, slideshowStart: "start slideshow", slideshowStop: "stop slideshow", onOpen: false, onLoad: false, onComplete: false, onCleanup: false, onClosed: false, overlayClose: true, escKey: true, arrowKey: true, top: false, bottom: false, left: false, right: false, fixed: false, data: undefined }, // Abstracting the HTML and event identifiers for easy rebranding colorbox = 'colorbox', prefix = 'cbox', boxElement = prefix + 'Element', // Events event_open = prefix + '_open', event_load = prefix + '_load', event_complete = prefix + '_complete', event_cleanup = prefix + '_cleanup', event_closed = prefix + '_closed', event_purge = prefix + '_purge', // Special Handling for IE isIE = !$.support.leadingWhitespace, // IE6 to IE8 isIE6 = isIE && !window.XMLHttpRequest, // IE6 event_ie6 = prefix + '_IE6', // Cached jQuery Object Variables $overlay, $box, $wrap, $content, $topBorder, $leftBorder, $rightBorder, $bottomBorder, $related, $window, $loaded, $loadingBay, $loadingOverlay, $title, $current, $slideshow, $next, $prev, $close, $groupControls, // Variables for cached values or use across multiple functions settings, interfaceHeight, interfaceWidth, loadedHeight, loadedWidth, element, index, photo, open, active, closing, loadingTimer, publicMethod, div = "div", init; // **************** // HELPER FUNCTIONS // **************** // Convience 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); } // 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() : $window.height()) / 100) : 1) * parseInt(size, 10)); } // Checks an href to see if it is a photo. // There is a force photo option (photo: true) for hrefs that cannot be matched by this regex. function isImage(url) { return settings.photo || /\.(gif|png|jp(e|g|eg)|bmp|ico)((#|\?).*)?$/i.test(url); } // Assigns function results to their respective properties function makeSettings() { var i, data = $.data(element, colorbox); if (data == null) { settings = $.extend({}, defaults); if (console && console.log) { console.log('Error: cboxElement missing settings object'); } } else { settings = $.extend({}, data); } for (i in settings) { if ($.isFunction(settings[i]) && i.slice(0, 2) !== 'on') { // checks to make sure the function isn't one of the callbacks, they will be handled at the appropriate time. settings[i] = settings[i].call(element); } } settings.rel = settings.rel || element.rel || $(element).data('rel') || 'nofollow'; settings.href = settings.href || $(element).attr('href'); settings.title = settings.title || element.title; if (typeof settings.href === "string") { settings.href = $.trim(settings.href); } } function trigger(event, callback) { $(document).trigger(event); $('*', $box).trigger(event); if (callback) { callback.call(element); } } // Slideshow functionality function slideshow() { var timeOut, className = prefix + "Slideshow_", click = "click." + prefix, start, stop; if (settings.slideshow && $related[1]) { start = function () { $slideshow .html(settings.slideshowStop) .unbind(click) .bind(event_complete, function () { if (settings.loop || $related[index + 1]) { timeOut = setTimeout(publicMethod.next, settings.slideshowSpeed); } }) .bind(event_load, function () { clearTimeout(timeOut); }) .one(click + ' ' + event_cleanup, stop); $box.removeClass(className + "off").addClass(className + "on"); timeOut = setTimeout(publicMethod.next, settings.slideshowSpeed); }; stop = function () { clearTimeout(timeOut); $slideshow .html(settings.slideshowStart) .unbind([event_complete, event_load, event_cleanup, click].join(' ')) .one(click, function () { publicMethod.next(); start(); }); $box.removeClass(className + "on").addClass(className + "off"); }; if (settings.slideshowAuto) { start(); } else { stop(); } } else { $box.removeClass(className + "off " + className + "on"); } } function launch(target) { if (!closing) { element = target; makeSettings(); $related = $(element); index = 0; if (settings.rel !== 'nofollow') { $related = $('.' + boxElement).filter(function () { var data = $.data(this, colorbox), relRelated; if (data) { relRelated = $(this).data('rel') || data.rel || this.rel; } return (relRelated === settings.rel); }); index = $related.index(element); // Check direct calls to ColorBox. if (index === -1) { $related = $related.add(element); index = $related.length - 1; } } if (!open) { open = active = true; // Prevents the page-change action from queuing up if the visitor holds down the left or right keys. $box.show(); if (settings.returnFocus) { $(element).blur(); $(document).one(event_closed, function () { $(element).focus(); }); } // +settings.opacity avoids a problem in IE when using non-zero-prefixed-string-values, like '.5' $overlay.css({"opacity": +settings.opacity, "cursor": settings.overlayClose ? "pointer" : "auto"}).show(); // Opens inital empty ColorBox prior to content being loaded. settings.w = setSize(settings.initialWidth, 'x'); settings.h = setSize(settings.initialHeight, 'y'); publicMethod.position(); if (isIE6) { $window.bind('resize.' + event_ie6 + ' scroll.' + event_ie6, function () { $overlay.css({width: $window.width(), height: $window.height(), top: $window.scrollTop(), left: $window.scrollLeft()}); }).trigger('resize.' + event_ie6); } trigger(event_open, settings.onOpen); $groupControls.add($title).hide(); $close.html(settings.close).show(); } publicMethod.load(true); } } // ColorBox's markup needs to be added to the DOM prior to being called // so that the browser will go ahead and load the CSS background images. function appendHTML() { if (!$box && document.body) { init = false; $window = $(window); $box = $tag(div).attr({id: colorbox, 'class': isIE ? prefix + (isIE6 ? 'IE6' : 'IE') : ''}).hide(); $overlay = $tag(div, "Overlay", isIE6 ? 'position:absolute' : '').hide(); $loadingOverlay = $tag(div, "LoadingOverlay").add($tag(div, "LoadingGraphic")); $wrap = $tag(div, "Wrapper"); $content = $tag(div, "Content").append( $loaded = $tag(div, "LoadedContent", 'width:0; height:0; overflow:hidden'), $title = $tag(div, "Title"), $current = $tag(div, "Current"), $next = $tag(div, "Next"), $prev = $tag(div, "Previous"), $slideshow = $tag(div, "Slideshow").bind(event_open, slideshow), $close = $tag(div, "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'); $groupControls = $next.add($prev).add($current).add($slideshow); $(document.body).append($overlay, $box.append($wrap, $loadingBay)); } } // Add ColorBox's event bindings function addBindings() { if ($box) { if (!init) { init = true; // Cache values needed for size calculations interfaceHeight = $topBorder.height() + $bottomBorder.height() + $content.outerHeight(true) - $content.height();//Subtraction needed for IE6 interfaceWidth = $leftBorder.width() + $rightBorder.width() + $content.outerWidth(true) - $content.width(); loadedHeight = $loaded.outerHeight(true); loadedWidth = $loaded.outerWidth(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.overlayClose) { publicMethod.close(); } }); // Key Bindings $(document).bind('keydown.' + prefix, function (e) { var key = e.keyCode; if (open && settings.escKey && key === 27) { e.preventDefault(); publicMethod.close(); } if (open && settings.arrowKey && $related[1]) { if (key === 37) { e.preventDefault(); $prev.click(); } else if (key === 39) { e.preventDefault(); $next.click(); } } }); $(document).delegate('.'+boxElement, 'click', function(e) { // ignore non-left-mouse-clicks and clicks modified with ctrl / command, shift, or alt. // See: http://jacklmoore.com/notes/click-events/ if (!(e.which > 1 || e.shiftKey || e.altKey || e.metaKey)) { e.preventDefault(); launch(this); } }); } return true; } return false; } // Don't do anything if ColorBox already exists. if ($.colorbox) { return; } // Append the HTML when the DOM loads $(appendHTML); // **************** // PUBLIC FUNCTIONS // Usage format: $.fn.colorbox.close(); // Usage from within an iframe: parent.$.fn.colorbox.close(); // **************** publicMethod = $.fn[colorbox] = $[colorbox] = function (options, callback) { var $this = this; options = options || {}; appendHTML(); if (addBindings()) { if (!$this[0]) { if ($this.selector) { // if a selector was given and it didn't match any elements, go ahead and exit. return $this; } // if no selector was given (ie. $.colorbox()), create a temporary element to work with $this = $(''); options.open = true; // assume an immediate open } if (callback) { options.onComplete = callback; } $this.each(function () { $.data(this, colorbox, $.extend({}, $.data(this, colorbox) || defaults, options)); }).addClass(boxElement); if (($.isFunction(options.open) && options.open.call($this)) || options.open) { launch($this[0]); } } return $this; }; 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.fixed && !isIE6) { offset.top -= scrollTop; offset.left -= scrollLeft; $box.css({position: 'fixed'}); } else { top = scrollTop; left = scrollLeft; $box.css({position: 'absolute'}); } // keeps the top and left positions within the browser's viewport. if (settings.right !== false) { left += Math.max($window.width() - settings.w - loadedWidth - interfaceWidth - setSize(settings.right, 'x'), 0); } else if (settings.left !== false) { left += setSize(settings.left, 'x'); } else { left += Math.round(Math.max($window.width() - settings.w - loadedWidth - interfaceWidth, 0) / 2); } if (settings.bottom !== false) { top += Math.max($window.height() - settings.h - loadedHeight - interfaceHeight - setSize(settings.bottom, 'y'), 0); } else if (settings.top !== false) { top += setSize(settings.top, 'y'); } else { top += Math.round(Math.max($window.height() - settings.h - loadedHeight - interfaceHeight, 0) / 2); } $box.css({top: offset.top, left: offset.left}); // setting the speed to 0 to reduce the delay between same-sized content. speed = ($box.width() === settings.w + loadedWidth && $box.height() === settings.h + loadedHeight) ? 0 : speed || 0; // 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(that) { $topBorder[0].style.width = $bottomBorder[0].style.width = $content[0].style.width = (parseInt(that.style.width,10) - interfaceWidth)+'px'; $content[0].style.height = $leftBorder[0].style.height = $rightBorder[0].style.height = (parseInt(that.style.height,10) - interfaceHeight)+'px'; } css = {width: settings.w + loadedWidth + interfaceWidth, height: settings.h + loadedHeight + interfaceHeight, top: top, left: left}; if(speed===0){ // temporary workaround to side-step jQuery-UI 1.8 bug (http://bugs.jquery.com/ticket/12273) $box.css(css); } $box.dequeue().animate(css, { duration: speed, complete: function () { modalDimensions(this); 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.reposition) { setTimeout(function () { // small delay before binding onresize due to an IE8 bug. $window.bind('resize.' + prefix, publicMethod.position); }, 1); } if (loadedCallback) { loadedCallback(); } }, step: function () { modalDimensions(this); } }); }; publicMethod.resize = function (options) { 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) { $loaded.css({height: "auto"}); settings.h = $loaded.height(); } $loaded.css({height: settings.h}); publicMethod.position(settings.transition === "none" ? 0 : settings.speed); } }; publicMethod.prep = function (object) { if (!open) { return; } var callback, speed = settings.transition === "none" ? 0 : settings.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.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', marginLeft: 'auto', marginRight: 'auto'}); $(photo).css({'float': 'none'}); callback = function () { var total = $related.length, iframe, frameBorder = 'frameBorder', allowTransparency = 'allowTransparency', complete; if (!open) { return; } function removeFilter() { if (isIE) { $box[0].style.removeAttribute('filter'); } } complete = function () { clearTimeout(loadingTimer); // Detaching forces Andriod stock browser to redraw the area underneat the loading overlay. Hiding alone isn't enough. $loadingOverlay.detach().hide(); trigger(event_complete, settings.onComplete); }; if (isIE) { //This fadeIn helps the bicubic resampling to kick-in. if (photo) { $loaded.fadeIn(100); } } $title.html(settings.title).add($loaded).show(); if (total > 1) { // handle grouping if (typeof settings.current === "string") { $current.html(settings.current.replace('{current}', index + 1).replace('{total}', total)).show(); } $next[(settings.loop || index < total - 1) ? "show" : "hide"]().html(settings.next); $prev[(settings.loop || index) ? "show" : "hide"]().html(settings.previous); if (settings.slideshow) { $slideshow.show(); } // Preloads images within a rel group if (settings.preloading) { $.each([getIndex(-1), getIndex(1)], function(){ var src, img, i = $related[this], data = $.data(i, colorbox); if (data && data.href) { src = data.href; if ($.isFunction(src)) { src = src.call(i); } } else { src = i.href; } if (isImage(src)) { img = new Image(); img.src = src; } }); } } else { $groupControls.hide(); } if (settings.iframe) { iframe = $tag('iframe')[0]; if (frameBorder in iframe) { iframe[frameBorder] = 0; } if (allowTransparency in iframe) { iframe[allowTransparency] = "true"; } if (!settings.scrolling) { iframe.scrolling = "no"; } $(iframe) .attr({ src: settings.href, name: (new Date()).getTime(), // give the iframe a unique name to prevent caching 'class': prefix + 'Iframe', allowFullScreen : true, // allow HTML5 video to go fullscreen webkitAllowFullScreen : true, mozallowfullscreen : true }) .one('load', complete) .appendTo($loaded); $(document).one(event_purge, function () { iframe.src = "//about:blank"; }); if (settings.fastIframe) { $(iframe).trigger('load'); } } else { complete(); } if (settings.transition === 'fade') { $box.fadeTo(speed, 1, removeFilter); } else { removeFilter(); } }; if (settings.transition === 'fade') { $box.fadeTo(speed, 0, function () { publicMethod.position(0, callback); }); } else { publicMethod.position(speed, callback); } }; publicMethod.load = function (launched) { var href, setResize, prep = publicMethod.prep, $inline; active = true; photo = false; element = $related[index]; if (!launched) { makeSettings(); } trigger(event_purge); trigger(event_load, settings.onLoad); settings.h = settings.height ? setSize(settings.height, 'y') - loadedHeight - interfaceHeight : settings.innerHeight && setSize(settings.innerHeight, 'y'); settings.w = settings.width ? setSize(settings.width, 'x') - loadedWidth - interfaceWidth : settings.innerWidth && setSize(settings.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.maxWidth) { settings.mw = setSize(settings.maxWidth, 'x') - loadedWidth - interfaceWidth; settings.mw = settings.w && settings.w < settings.mw ? settings.w : settings.mw; } if (settings.maxHeight) { settings.mh = setSize(settings.maxHeight, 'y') - loadedHeight - interfaceHeight; settings.mh = settings.h && settings.h < settings.mh ? settings.h : settings.mh; } href = settings.href; loadingTimer = setTimeout(function () { $loadingOverlay.show().appendTo($content); }, 100); if (settings.inline) { // 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 = $tag(div).hide().insertBefore($(href)[0]); $(document).one(event_purge, function () { $inline.replaceWith($loaded.children()); }); prep($(href)); } else if (settings.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.html) { prep(settings.html); } else if (isImage(href)) { $(photo = new Image()) .addClass(prefix + 'Photo') .bind('error',function () { settings.title = false; prep($tag(div, 'Error').html(settings.imgError)); }) .load(function () { var percent; photo.onload = null; //stops animated gifs from firing the onload repeatedly. if (settings.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.h - photo.height, 0) / 2 + 'px'; } if ($related[1] && (settings.loop || $related[index + 1])) { photo.style.cursor = 'pointer'; photo.onclick = function () { publicMethod.next(); }; } if (isIE) { photo.style.msInterpolationMode = 'bicubic'; } setTimeout(function () { // A pause because Chrome will sometimes report a 0 by 0 size otherwise. prep(photo); }, 1); }); setTimeout(function () { // A pause because Opera 10.6+ will sometimes not run the onload function otherwise. photo.src = href; }, 1); } else if (href) { $loadingBay.load(href, settings.data, function (data, status) { prep(status === 'error' ? $tag(div, 'Error').html(settings.xhrError) : $(this).contents()); }); } }; // Navigates to the next page/image in a set. publicMethod.next = function () { if (!active && $related[1] && (settings.loop || $related[index + 1])) { index = getIndex(1); publicMethod.load(); } }; publicMethod.prev = function () { if (!active && $related[1] && (settings.loop || index)) { index = getIndex(-1); publicMethod.load(); } }; // Note: to use this within an iframe use the following format: parent.$.fn.colorbox.close(); publicMethod.close = function () { if (open && !closing) { closing = true; open = false; trigger(event_cleanup, settings.onCleanup); $window.unbind('.' + prefix + ' .' + event_ie6); $overlay.fadeTo(200, 0); $box.stop().fadeTo(300, 0, function () { $box.add($overlay).css({'opacity': 1, cursor: 'auto'}).hide(); trigger(event_purge); $loaded.remove(); setTimeout(function () { closing = false; trigger(event_closed, settings.onClosed); }, 1); }); } }; // Removes changes ColorBox made to the document, but does not remove the plugin // from jQuery. publicMethod.remove = function () { $([]).add($box).add($overlay).remove(); $box = null; $('.' + boxElement) .removeData(colorbox) .removeClass(boxElement); $(document).undelegate('.'+boxElement); }; // A method for fetching the current element ColorBox is referencing. // returns a jQuery object. publicMethod.element = function () { return $(element); }; publicMethod.settings = defaults; }(jQuery, document, window));