// ColorBox v1.3.9 - a full featured, light-weight, customizable lightbox based on jQuery 1.3 // c) 2009 Jack Moore - www.colorpowered.com - jack@colorpowered.com // Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php (function ($, window) { var // ColorBox Default Settings. // See http://colorpowered.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, photo: false, href: false, title: false, rel: false, opacity: 0.9, preloading: true, current: "image {current} of {total}", previous: "previous", next: "next", close: "close", open: false, 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 }, // Abstracting the HTML and event identifiers for easy rebranding colorbox = 'colorbox', prefix = 'cbox', // Events event_open = prefix + '_open', event_load = prefix + '_load', event_complete = prefix + '_complete', event_cleanup = prefix + '_cleanup', event_closed = prefix + '_closed', // Special Handling for IE isIE = $.browser.msie && !$.support.opacity, // feature detection alone gave a false positive on at least one phone browser and on some development versions of Chrome. isIE6 = isIE && $.browser.version < 7, 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, // Variables for cached values or use across multiple functions interfaceHeight, interfaceWidth, loadedHeight, loadedWidth, element, bookmark, index, settings, open, active, publicMethod, boxElement = prefix + 'Element'; // **************** // HELPER FUNCTIONS // **************** // jQuery object generator to reduce code size function $div(id, css) { id = id ? ' id="' + prefix + id + '"' : ''; css = css ? ' style="' + css + '"' : ''; return $('
'); } // Convert % values to pixels function setSize(size, dimension) { dimension = dimension === 'x' ? $window.width() : $window.height(); return (typeof size === 'string') ? Math.round((size.match(/%/) ? (dimension / 100) * parseInt(size, 10) : parseInt(size, 10))) : size; } // 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) { url = $.isFunction(url) ? url.call(element) : url; return settings.photo || url.match(/\.(gif|png|jpg|jpeg|bmp)(?:\?([^#]*))?(?:#(\.*))?$/i); } // Assigns functions results to their respective settings. This allows functions to be used to set ColorBox options. function process() { for (var i in settings) { if ($.isFunction(settings[i]) && i.substring(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 || 'nofollow'; settings.href = settings.href || $(element).attr('href'); settings.title = settings.title || element.title; } function launch(elem) { element = elem; settings = $.extend({}, $(element).data(colorbox)); process(); // Convert functions to their returned values. if (settings.rel !== 'nofollow') { $related = $('.' + boxElement).filter(function () { var relRelated = $(this).data(colorbox).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; } } else { $related = $(element); index = 0; } if (!open) { open = active = true; // Prevents the page-change action from queuing up if the visitor holds down the left or right keys. bookmark = element; try { bookmark.blur(); // Remove the focus from the calling element. }catch (e) {} $.event.trigger(event_open); if (settings.onOpen) { settings.onOpen.call(element); } // +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(0); 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('scroll.' + event_ie6); } } $current.add($prev).add($next).add($slideshow).add($title).hide(); $close.html(settings.close).show(); publicMethod.slideshow(); publicMethod.load(); } // **************** // PUBLIC FUNCTIONS // Usage format: $.fn.colorbox.close(); // Usage from within an iframe: parent.$.fn.colorbox.close(); // **************** publicMethod = $.fn[colorbox] = $[colorbox] = function (options, callback) { var $this = this; if (!$this[0] && $this.selector) { // if a selector was given and it didn't match any elements, go ahead and exit. return $this; } options = options || {}; if (callback) { options.onComplete = callback; } if (!$this[0] || $this.selector === undefined) { // detects $.colorbox() and $.fn.colorbox() $this = $(''); options.open = true; // assume an immediate open } $this.each(function () { $(this).data(colorbox, $.extend({}, $(this).data(colorbox) || defaults, options)).addClass(boxElement); }); if (options.open) { launch($this[0]); } return $this; }; // Initialize ColorBox: store common calculations, preload the interface graphics, append the html. // This preps colorbox for a speedy open when clicked, and lightens the burdon on the browser by only // having to run once, instead of each time colorbox is opened. publicMethod.init = function () { // Create & Append jQuery Objects $window = $(window); $box = $div().attr({id: colorbox, 'class': isIE ? prefix + 'IE' : ''}); $overlay = $div("Overlay", isIE6 ? 'position:absolute' : '').hide(); $wrap = $div("Wrapper"); $content = $div("Content").append( $loaded = $div("LoadedContent", 'width:0; height:0'), $loadingOverlay = $div("LoadingOverlay").add($div("LoadingGraphic")), $title = $div("Title"), $current = $div("Current"), $next = $div("Next"), $prev = $div("Previous"), $slideshow = $div("Slideshow"), $close = $div("Close") ); $wrap.append( // The 3x3 Grid that makes up ColorBox $div().append( $div("TopLeft"), $topBorder = $div("TopCenter"), $div("TopRight") ), $div().append( $leftBorder = $div("MiddleLeft"), $content, $rightBorder = $div("MiddleRight") ), $div().append( $div("BottomLeft"), $bottomBorder = $div("BottomCenter"), $div("BottomRight") ) ).children().children().css({'float': 'left'}); $loadingBay = $div(false, 'position:absolute; width:9999px; visibility:hidden; display:none'); $('body').prepend($overlay, $box.append($wrap, $loadingBay)); $content.children() .hover(function () { $(this).addClass('hover'); }, function () { $(this).removeClass('hover'); }).addClass('hover'); // 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); // Setting padding to remove the need to do size conversions during the animation step. $box.css({"padding-bottom": interfaceHeight, "padding-right": interfaceWidth}).hide(); // Setup button events. $next.click(publicMethod.next); $prev.click(publicMethod.prev); $close.click(publicMethod.close); // Adding the 'hover' class allowed the browser to load the hover-state // background graphics. The class can now can be removed. $content.children().removeClass('hover'); $('.' + boxElement).live('click', function (e) { // checks to see if it was a non-left mouse-click and for clicks modified with ctrl, shift, or alt. if ((e.button !== 0 && typeof e.button !== 'undefined') || e.ctrlKey || e.shiftKey || e.altKey) { return true; } else { launch(this); return false; } }); $overlay.click(function () { if (settings.overlayClose) { publicMethod.close(); } }); // Set Navigation Key Bindings $(document).bind("keydown", function (e) { if (open && settings.escKey && e.keyCode === 27) { e.preventDefault(); publicMethod.close(); } if (open && settings.arrowKey && !active && $related[1]) { if (e.keyCode === 37 && (index || settings.loop)) { e.preventDefault(); $prev.click(); } else if (e.keyCode === 39 && (index < $related.length - 1 || settings.loop)) { e.preventDefault(); $next.click(); } } }); }; publicMethod.remove = function () { $box.add($overlay).remove(); $('.' + boxElement).die('click').removeData(colorbox).removeClass(boxElement); }; publicMethod.position = function (speed, loadedCallback) { var animate_speed, // keeps the top and left positions within the browser's viewport. posTop = Math.max($window.height() - settings.h - loadedHeight - interfaceHeight, 0) / 2 + $window.scrollTop(), posLeft = Math.max($window.width() - settings.w - loadedWidth - interfaceWidth, 0) / 2 + $window.scrollLeft(); // setting the speed to 0 to reduce the delay between same-sized content. animate_speed = ($box.width() === settings.w + loadedWidth && $box.height() === settings.h + loadedHeight) ? 0 : speed; // 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) { // loading overlay height has to be explicitly set for IE6. $topBorder[0].style.width = $bottomBorder[0].style.width = $content[0].style.width = that.style.width; $loadingOverlay[0].style.height = $loadingOverlay[1].style.height = $content[0].style.height = $leftBorder[0].style.height = $rightBorder[0].style.height = that.style.height; } $box.dequeue().animate({width: settings.w + loadedWidth, height: settings.h + loadedHeight, top: posTop, left: posLeft}, { duration: animate_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 (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) { var $child = $loaded.wrapInner("").children(); // temporary wrapper to get an accurate estimate of just how high the total content should be. settings.h = $child.height(); $child.replaceWith($child.children()); // ditch the temporary wrapper div used in height calculation } $loaded.css({height: settings.h}); publicMethod.position(settings.transition === "none" ? 0 : settings.speed); } }; publicMethod.prep = function (object) { if (!open) { return; } var photo, speed = settings.transition === "none" ? 0 : settings.speed; $window.unbind('resize.' + prefix); $loaded.remove(); $loaded = $div('LoadedContent').html(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(); $('#' + prefix + 'Photo').css({cssFloat: 'none'});// 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. // Hides SELECT elements in IE6 because they would otherwise sit on top of the overlay. if (isIE6) { $('select').not($box.find('select')).filter(function () { return this.style.visibility !== 'hidden'; }).css({'visibility': 'hidden'}).one(event_cleanup, function () { this.style.visibility = 'inherit'; }); } function setPosition(s) { var prev, prevSrc, next, nextSrc, total = $related.length, loop = settings.loop; publicMethod.position(s, function () { function defilter() { if (isIE) { //IE adds a filter when ColorBox fades in and out that can cause problems if the loaded content contains transparent pngs. $box[0].style.removeAttribute("filter"); } } if (!open) { return; } if (isIE) { //This fadeIn helps the bicubic resampling to kick-in. if (photo) { $loaded.fadeIn(100); } } //Waited until the iframe is added to the DOM & it is visible before setting the src. //This increases compatability with pages using DOM dependent JavaScript. if (settings.iframe) { $("") .attr({src: settings.href, name: new Date().getTime()}) .appendTo($loaded); } $loaded.show(); $title.show().html(settings.title); if (total > 1) { // handle grouping $current.html(settings.current.replace(/\{current\}/, index + 1).replace(/\{total\}/, total)).show(); $next[(loop || index < total - 1) ? "show" : "hide"]().html(settings.next); $prev[(loop || index) ? "show" : "hide"]().html(settings.previous); prev = index ? $related[index - 1] : $related[total - 1]; next = index < total - 1 ? $related[index + 1] : $related[0]; if (settings.slideshow) { $slideshow.show(); if (index === total - 1 && !loop && $box.is('.' + prefix + 'Slideshow_on')) { $slideshow.click(); } } // Preloads images within a rel group if (settings.preloading) { nextSrc = $(next).data(colorbox).href || next.href; prevSrc = $(prev).data(colorbox).href || prev.href; if (isImage(nextSrc)) { $('')[0].src = nextSrc; } if (isImage(prevSrc)) { $('')[0].src = prevSrc; } } } $loadingOverlay.hide(); if (settings.transition === 'fade') { $box.fadeTo(speed, 1, function () { defilter(); }); } else { defilter(); } $window.bind('resize.' + prefix, function () { publicMethod.position(0); }); $.event.trigger(event_complete); if (settings.onComplete) { settings.onComplete.call(element); } }); } if (settings.transition === 'fade') { $box.fadeTo(speed, 0, function () { setPosition(0); }); } else { setPosition(speed); } }; publicMethod.load = function () { var href, img, setResize, prep = publicMethod.prep; active = true; element = $related[index]; settings = $.extend({}, $(element).data(colorbox)); //convert functions to static values process(); $.event.trigger(event_load); if (settings.onLoad) { settings.onLoad.call(element); } 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; $loadingOverlay.show(); 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. $div('InlineTemp').hide().insertBefore($(href)[0]).bind(event_load + ' ' + event_cleanup, function () { $(this).replaceWith($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)) { img = new Image(); img.onload = function () { var percent; img.onload = null; img.id = prefix + 'Photo'; $(img).css({margin: 'auto', border: 'none', display: 'block', cssFloat: 'left'}); if (settings.scalePhotos) { setResize = function () { img.height -= img.height * percent; img.width -= img.width * percent; }; if (settings.mw && img.width > settings.mw) { percent = (img.width - settings.mw) / img.width; setResize(); } if (settings.mh && img.height > settings.mh) { percent = (img.height - settings.mh) / img.height; setResize(); } } if (settings.h) { img.style.marginTop = Math.max(settings.h - img.height, 0) / 2 + 'px'; } setTimeout(function () { // Chrome will sometimes report a 0 by 0 size if there isn't pause in execution prep(img); }, 1); if ($related[1] && (index < $related.length - 1 || settings.loop)) { $(img).css({cursor: 'pointer'}).click(publicMethod.next); } if (isIE) { img.style.msInterpolationMode = 'bicubic'; } }; img.src = href; } else { $div().appendTo($loadingBay).load(href, function (data, status, xhr) { prep(status === 'error' ? 'Request unsuccessful: ' + xhr.statusText : this); }); } }; // Navigates to the next page/image in a set. publicMethod.next = function () { if (!active) { index = index < $related.length - 1 ? index + 1 : 0; publicMethod.load(); } }; publicMethod.prev = function () { if (!active) { index = index ? index - 1 : $related.length - 1; publicMethod.load(); } }; publicMethod.slideshow = function () { var stop, timeOut, className = prefix + 'Slideshow_'; $slideshow.bind(event_closed, function () { $slideshow.unbind(); clearTimeout(timeOut); $box.removeClass(className + "off " + className + "on"); }); function start() { $slideshow .text(settings.slideshowStop) .bind(event_complete, function () { timeOut = setTimeout(publicMethod.next, settings.slideshowSpeed); }) .bind(event_load, function () { clearTimeout(timeOut); }).one("click", function () { stop(); }); $box.removeClass(className + "off").addClass(className + "on"); } stop = function () { clearTimeout(timeOut); $slideshow .text(settings.slideshowStart) .unbind(event_complete + ' ' + event_load) .one("click", function () { start(); timeOut = setTimeout(publicMethod.next, settings.slideshowSpeed); }); $box.removeClass(className + "on").addClass(className + "off"); }; if (settings.slideshow && $related[1]) { if (settings.slideshowAuto) { start(); } else { stop(); } } }; // Note: to use this within an iframe use the following format: parent.$.fn.colorbox.close(); publicMethod.close = function () { if (open) { open = false; $.event.trigger(event_cleanup); if (settings.onCleanup) { settings.onCleanup.call(element); } $window.unbind('.' + prefix + ' .' + event_ie6); $overlay.fadeTo('fast', 0); $box.stop().fadeTo('fast', 0, function () { $box.find('iframe').attr('src', 'about:blank'); // change the location of the iframe to avoid a problem in IE with flash objects not clearing. $loaded.remove(); $box.add($overlay).css({'opacity': 1, cursor: 'auto'}).hide(); try { bookmark.focus(); } catch (e) { // do nothing } setTimeout(function () { $.event.trigger(event_closed); if (settings.onClosed) { settings.onClosed.call(element); } }, 1); }); } }; // A method for fetching the current element ColorBox is referencing. // returns a jQuery object. publicMethod.element = function () { return $(element); }; publicMethod.settings = defaults; // Initializes ColorBox when the DOM has loaded $(publicMethod.init); }(jQuery, this));