// ColorBox v1.3.7 - 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
/*jslint browser: true */
(function ($) {
// Shortcuts (to increase compression)
var colorbox = 'colorbox',
hover = 'hover',
TRUE = true,
FALSE = false,
cboxPublic,
isIE = $.browser.msie && !$.support.opacity, // feature detection alone gave a false positive on at least one phone browser
isIE6 = isIE && $.browser.version < 7,
// Event Strings (to increase compression)
cbox_open = 'cbox_open',
cbox_load = 'cbox_load',
cbox_complete = 'cbox_complete',
cbox_cleanup = 'cbox_cleanup',
cbox_closed = 'cbox_closed',
// Cached jQuery Object Variables
$overlay,
$cbox,
$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,
// ColorBox Default Settings.
// See http://colorpowered.com/colorbox for details.
defaults = {
transition: "elastic",
speed: 350,
width: FALSE,
height: FALSE,
innerWidth: FALSE,
innerHeight: FALSE,
initialWidth: "400",
initialHeight: "400",
maxWidth: 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: "{current} of {total}",
previous: "previous",
next: "next",
close: "close",
open: FALSE,
overlayClose: 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,
escKey: TRUE,
arrowKey: TRUE
};
// ****************
// HELPER FUNCTIONS
// ****************
// Convert % values to pixels
function setSize(size, dimension) {
dimension = dimension === 'x' ? $window.width() : $window.height();//document.documentElement.clientWidth : document.documentElement.clientHeight;
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 = $('.cboxElement').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 < 0) {
$related = $related.add(element);
index = $related.length - 1;
}
} else {
$related = $(element);
index = 0;
}
if (!open) {
open = TRUE;
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(cbox_open);
if (settings.onOpen) {
settings.onOpen.call(element);
}
$overlay.css({"opacity": parseFloat(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');
cboxPublic.position(0);
if (isIE6) {
$window.bind('resize.cboxIE6 scroll.cboxIE6', function () {
$overlay.css({width: $window.width(), height: $window.height(), top: $window.scrollTop(), left: $window.scrollLeft()});
}).trigger("scroll.cboxIE6");
}
}
$current.add($prev).add($next).add($slideshow).add($title).hide();
$close.html(settings.close).show();
cboxPublic.slideshow();
cboxPublic.load();
}
// ****************
// PUBLIC FUNCTIONS
// Usage format: $.fn.colorbox.close();
// Usage from within an iframe: parent.$.fn.colorbox.close();
// ****************
cboxPublic = $.fn.colorbox = $.colorbox = function (options, callback) {
var $this = this;
if ($this.selector && !$this.length) {
return $this;
}
options = options || {};
if (callback) {
options.onComplete = callback;
}
if (!$this.length || $this.selector === undefined) { // detects $.colorbox() and $.fn.colorbox()
$this = $('<a/>');
options.open = TRUE; // assume an immediate open
}
$this.each(function () {
$(this).data(colorbox, $.extend({}, $(this).data(colorbox) || defaults, options)).addClass("cboxElement");
});
if (options.open) {
launch($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.
cboxPublic.init = function () {
// jQuery object generator to save a bit of space
function $div(id) {
return $('<div id="cbox' + id + '"/>');
}
// Create & Append jQuery Objects
$window = $(window);
$cbox = $('<div id="colorbox"/>');
$overlay = $div("Overlay").hide();
$wrap = $div("Wrapper");
$content = $div("Content").append(
$loaded = $div("LoadedContent").css({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 id='cboxLoadingBay' style='position:absolute; width:9999px;'/>");
$('body').prepend($overlay, $cbox.append($wrap, $loadingBay));
if (isIE) {
$cbox.addClass('cboxIE');
if (isIE6) {
$overlay.css('position', 'absolute');
}
}
$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.
$cbox.css({"padding-bottom": interfaceHeight, "padding-right": interfaceWidth}).hide();
// Setup button events.
$next.click(cboxPublic.next);
$prev.click(cboxPublic.prev);
$close.click(cboxPublic.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);
$('.cboxElement').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) {
cboxPublic.close();
}
});
// Set Navigation Key Bindings
$(document).bind("keydown", function (e) {
if (open && settings.escKey && e.keyCode === 27) {
e.preventDefault();
cboxPublic.close();
}
if (open && settings.arrowKey && !active && $related.length > 1) {
if (e.keyCode === 37 && (index > 0 || settings.loop)) {
e.preventDefault();
$prev.click();
} else if (e.keyCode === 39 && (index < $related.length - 1 || settings.loop)) {
e.preventDefault();
$next.click();
}
}
});
};
cboxPublic.remove = function () {
$cbox.add($overlay).remove();
$('.cboxElement').removeData(colorbox).removeClass('cboxElement');
};
cboxPublic.position = function (speed, loadedCallback) {
var
animate_speed,
// keeps the top and left positions within the browser's viewport.
posTop = Math.max($window.height() - settings.h - loadedHeight - interfaceHeight, 0) / 2 + $window.scrollTop(),
posLeft = Math.max($window.width() - settings.w - loadedWidth - interfaceWidth, 0) / 2 + $window.scrollLeft();
// setting the speed to 0 to reduce the delay between same-sized content.
animate_speed = ($cbox.width() === settings.w + loadedWidth && $cbox.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;
}
$cbox.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);
}
});
};
cboxPublic.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("<div style='overflow:auto'></div>").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});
cboxPublic.position(settings.transition === "none" ? 0 : settings.speed);
}
};
cboxPublic.prep = function (object) {
if (!open) {
return;
}
var photo,
speed = settings.transition === "none" ? 0 : settings.speed;
$window.unbind('resize.cbox');
$loaded.remove();
$loaded = $('<div id="cboxLoadedContent"/>').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)// 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);
$('#cboxPhoto').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(#colorbox select)').filter(function () {
return this.style.visibility !== 'hidden';
}).css({'visibility': 'hidden'}).one(cbox_cleanup, function () {
this.style.visibility = 'inherit';
});
}
function setPosition(s) {
var prev, prevSrc, next, nextSrc, total = $related.length, loop = settings.loop;
cboxPublic.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.
$cbox[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) {
$("<iframe frameborder=0" + (settings.scrolling ? "" : " scrolling='no'") + (isIE ? " allowtransparency='true'" : '') + "/>")
.appendTo($loaded)
.attr({src: settings.href, id: 'cboxIframe', name: new Date().getTime()});
}
$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 > 0) ? "show" : "hide"]().html(settings.previous);
prev = index > 0 ? $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 && $cbox.is('.cboxSlideshow_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)) {
$('<img/>')[0].src = nextSrc;
}
if (isImage(prevSrc)) {
$('<img/>')[0].src = prevSrc;
}
}
}
$loadingOverlay.hide();
if (settings.transition === 'fade') {
$cbox.fadeTo(speed, 1, function () {
defilter();
});
} else {
defilter();
}
$window.bind('resize.cbox', function () {
cboxPublic.position(0);
});
$.event.trigger(cbox_complete);
if (settings.onComplete) {
settings.onComplete.call(element);
}
});
}
if (settings.transition === 'fade') {
$cbox.fadeTo(speed, 0, function () {
setPosition(0);
});
} else {
setPosition(speed);
}
};
cboxPublic.load = function () {
var href, img, setResize, prep = cboxPublic.prep;
active = TRUE;
element = $related[index];
settings = $.extend({}, $(element).data(colorbox));
//convert functions to static values
process();
$.event.trigger(cbox_load);
if (settings.onLoad) {
settings.onLoad.call(element);
}
// Evaluate the height based on the optional height and width settings.
settings.h = settings.height ?
setSize(settings.height, 'y') - loadedHeight - interfaceHeight :
settings.innerHeight ?
setSize(settings.innerHeight, 'y') :
FALSE;
settings.w = settings.width ?
setSize(settings.width, 'x') - loadedWidth - interfaceWidth :
settings.innerWidth ?
setSize(settings.innerWidth, 'x') :
FALSE;
// 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.
$('<div id="cboxInlineTemp"/>').hide().insertBefore($(href)[0]).bind(cbox_load + ' ' + cbox_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 = 'cboxPhoto';
$(img).css({margin: 'auto', border: 'none', display: 'block', cssFloat: 'left'});
if (settings.scalePhotos) {
setResize = function () {
img.height -= img.height * percent;
img.width -= img.width * percent;
};
if (settings.mw && img.width > settings.mw) {
percent = (img.width - settings.mw) / img.width;
setResize();
}
if (settings.mh && img.height > settings.mh) {
percent = (img.height - settings.mh) / img.height;
setResize();
}
}
if (settings.h) {
img.style.marginTop = Math.max(settings.h - img.height, 0) / 2 + 'px';
}
prep(img);
if ($related.length > 1) {
$(img).css({cursor: 'pointer'}).click(cboxPublic.next);
}
if (isIE) {
img.style.msInterpolationMode = 'bicubic';
}
};
img.src = href;
} else {
$('<div>Request unsuccessful.</div>').appendTo($loadingBay).load(href, function (data, textStatus) {
prep(this);
});
}
};
// Navigates to the next page/image in a set.
cboxPublic.next = function () {
if (!active) {
index = index < $related.length - 1 ? index + 1 : 0;
cboxPublic.load();
}
};
cboxPublic.prev = function () {
if (!active) {
index = index > 0 ? index - 1 : $related.length - 1;
cboxPublic.load();
}
};
cboxPublic.slideshow = function () {
var stop, timeOut, className = 'cboxSlideshow_';
$slideshow.bind(cbox_closed, function () {
$slideshow.unbind();
clearTimeout(timeOut);
$cbox.removeClass(className + "off " + className + "on");
});
function start() {
$slideshow
.text(settings.slideshowStop)
.bind(cbox_complete, function () {
timeOut = setTimeout(cboxPublic.next, settings.slideshowSpeed);
})
.bind(cbox_load, function () {
clearTimeout(timeOut);
}).one("click", function () {
stop();
});
$cbox.removeClass(className + "off").addClass(className + "on");
}
stop = function () {
clearTimeout(timeOut);
$slideshow
.text(settings.slideshowStart)
.unbind(cbox_complete + ' ' + cbox_load)
.one("click", function () {
start();
timeOut = setTimeout(cboxPublic.next, settings.slideshowSpeed);
});
$cbox.removeClass(className + "on").addClass(className + "off");
};
if (settings.slideshow && $related.length > 1) {
if (settings.slideshowAuto) {
start();
} else {
stop();
}
}
};
// Note: to use this within an iframe use the following format: parent.$.fn.colorbox.close();
cboxPublic.close = function () {
if (open) {
open = FALSE;
$.event.trigger(cbox_cleanup);
if (settings.onCleanup) {
settings.onCleanup.call(element);
}
$window.unbind('.cbox .cboxIE6');
$cbox.add($overlay)
.stop()
.fadeTo('fast', 0, function () {
$('#colorbox iframe').attr('src', 'about:blank'); // change the location of the iframe to avoid a problem in IE with flash objects not clearing.
$loaded.remove();
$cbox.add($overlay).css({'opacity': 1, cursor: 'auto'}).hide();
try {
bookmark.focus();
} catch (e) {
// do nothing
}
setTimeout(function () {
$.event.trigger(cbox_closed);
if (settings.onClosed) {
settings.onClosed.call(element);
}
}, 1);
});
}
};
// A method for fetching the current element ColorBox is referencing.
// returns a jQuery object.
cboxPublic.element = function () {
return $(element);
};
cboxPublic.settings = defaults;
// Initializes ColorBox when the DOM has loaded
$(cboxPublic.init);
}(jQuery));