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/**
* The Shadowbox class.
*
* This file is part of Shadowbox.
*
* Shadowbox is an online media viewer application that supports all of the
* web's most popular media publishing formats. Shadowbox is written entirely
* in JavaScript and CSS and is highly customizable. Using Shadowbox, website
* authors can showcase a wide assortment of media in all major browsers without
* navigating users away from the linking page.
*
* Shadowbox is released under version 3.0 of the Creative Commons Attribution-
* Noncommercial-Share Alike license. This means that it is absolutely free
* for personal, noncommercial use provided that you 1) make attribution to the
* author and 2) release any derivative work under the same or a similar
* license.
*
* If you wish to use Shadowbox for commercial purposes, licensing information
* can be found at http://mjijackson.com/shadowbox/.
*
* @author Michael J. I. Jackson <mjijackson@gmail.com>
* @copyright 2007-2008 Michael J. I. Jackson
* @license http://creativecommons.org/licenses/by-nc-sa/3.0/
* @version SVN: $Id: shadowbox.js 108 2008-07-11 04:19:01Z mjijackson $
*/
if(typeof Shadowbox == 'undefined'){
throw 'Unable to load Shadowbox, no base library adapter found';
}
/**
* The Shadowbox class. Used to display different media on a web page using a
* Lightbox-like effect.
*
* Useful resources:
*
* - http://www.alistapart.com/articles/byebyeembed
* - http://www.w3.org/TR/html401/struct/objects.html
* - http://www.dyn-web.com/dhtml/iframes/
* - http://www.apple.com/quicktime/player/specs.html
* - http://www.apple.com/quicktime/tutorials/embed2.html
* - http://www.howtocreate.co.uk/wrongWithIE/?chapter=navigator.plugins
* - http://msdn.microsoft.com/en-us/library/ms532969.aspx
* - http://support.microsoft.com/kb/316992
*
* @class Shadowbox
* @author Michael J. I. Jackson <mjijackson@gmail.com>
* @singleton
*/
(function(){
/**
* The current version of Shadowbox.
*
* @var String
* @private
*/
var version = '2.0';
/**
* Contains the default options for Shadowbox.
*
* @var Object
* @private
*/
var options = {
/**
* Enable all animations besides fades.
*
* @var Boolean
*/
animate: true,
/**
* Enable fade animations.
*
* @var Boolean
*/
animateFade: true,
/**
* Specifies the sequence of the height and width animations. May be
* 'wh' (width then height), 'hw' (height then width), or 'sync' (both
* at the same time). Of course this will only work if animate is true.
*
* @var String
*/
animSequence: 'wh',
/**
* The path to flvplayer.swf.
*
* @var String
*/
flvPlayer: 'flvplayer.swf',
/**
* Listen to the overlay for clicks. If the user clicks the overlay,
* it will trigger Shadowbox.close().
*
* @var Boolean
*/
modal: false,
/**
* The color to use for the modal overlay (in hex).
*
* @var String
*/
overlayColor: '#000',
/**
* The opacity to use for the modal overlay.
*
* @var Number
*/
overlayOpacity: 0.8,
/**
* The default background color to use for Flash movies (in hex).
*
* @var String
*/
flashBgColor: '#000000',
/**
* Automatically play movies.
*
* @var Boolean
*/
autoplayMovies: true,
/**
* Enable movie controllers on movie players.
*
* @var Boolean
*/
showMovieControls: true,
/**
* A delay (in seconds) to use for slideshows. If set to anything other
* than 0, this value determines an interval at which Shadowbox will
* automatically proceed to the next piece in the gallery.
*
* @var Number
*/
slideshowDelay: 0,
/**
* The duration of the resizing animations (in seconds).
*
* @var Number
*/
resizeDuration: 0.55,
/**
* The duration of the fading animations (in seconds).
*
* @var Number
*/
fadeDuration: 0.35,
/**
* Show the navigation controls.
*
* @var Boolean
*/
displayNav: true,
/**
* Enable continuous galleries. When this is true, users will be able
* to skip to the first gallery image from the last using next and vice
* versa.
*
* @var Boolean
*/
continuous: false,
/**
* Display the gallery counter.
*
* @var Boolean
*/
displayCounter: true,
/**
* This option may be either 'default' or 'skip'. The default counter is
* a simple '1 of 5' message. The skip counter displays a link for each
* piece in the gallery that enables a user to skip directly to any
* piece.
*
* @var String
*/
counterType: 'default',
/**
* Limits the number of counter links that will be displayed in a "skip"
* style counter. If the actual number of gallery elements is greater
* than this value, the counter will be restrained to the elements
* immediately preceeding and following the current element.
*
* @var Number
*/
counterLimit: 10,
/**
* The amount of padding to maintain around the viewport edge (in
* pixels). This only applies when the image is very large and takes up
* the entire viewport.
*
* @var Number
*/
viewportPadding: 20,
/**
* How to handle content that is too large to display in its entirety
* (and is resizable). A value of 'resize' will resize the content while
* preserving aspect ratio and display it at the smaller resolution. If
* the content is an image, a value of 'drag' will display the image at
* its original resolution but it will be draggable within Shadowbox. A
* value of 'none' will display the content at its original resolution
* but it may be cropped.
*
* @var String
*/
handleOversize: 'resize',
/**
* An exception handling function that will be called whenever
* Shadowbox should throw an exception. Will be passed the error
* message as its first argument.
*
* @var Function
*/
handleException: null,
/**
* The mode to use when handling unsupported media. May be either
* 'remove' or 'link'. If it is 'remove', the unsupported gallery item
* will merely be removed from the gallery. If it is the only item in
* the gallery, the link will simply be followed. If it is 'link', a
* link will be provided to the appropriate plugin page in place of the
* gallery element.
*
* @var String
*/
handleUnsupported: 'link',
/**
* The initial height of Shadowbox (in pixels).
*
* @var Number
*/
initialHeight: 160,
/**
* The initial width of Shadowbox (in pixels).
*
* @var Number
*/
initialWidth: 320,
/**
* Enable keyboard control.
*
* @var Boolean
*/
enableKeys: true,
/**
* A hook function to be fired when Shadowbox opens. The single argument
* will be the current gallery element.
*
* @var Function
*/
onOpen: null,
/**
* A hook function to be fired when Shadowbox finishes loading its
* content. The single argument will be the current gallery element on
* display.
*
* @var Function
*/
onFinish: null,
/**
* A hook function to be fired when Shadowbox changes from one gallery
* element to the next. The single argument will be the current gallery
* element that is about to be displayed.
*
* @var Function
*/
onChange: null,
/**
* A hook function that will be fired when Shadowbox closes. The single
* argument will be the gallery element most recently displayed.
*
* @var Function
*/
onClose: null,
/**
* Skips calling Shadowbox.setup() in init(). This means that it must
* be called later manually.
*
* @var Boolean
*/
skipSetup: false,
/**
* An object containing names of plugins and links to their respective
* download pages.
*
* @var Object
*/
errors: {
fla: {
name: 'Flash',
url: 'http://www.adobe.com/products/flashplayer/'
},
qt: {
name: 'QuickTime',
url: 'http://www.apple.com/quicktime/download/'
},
wmp: {
name: 'Windows Media Player',
url: 'http://www.microsoft.com/windows/windowsmedia/'
},
f4m: {
name: 'Flip4Mac',
url: 'http://www.flip4mac.com/wmv_download.htm'
}
},
/**
* A map of players to the file extensions they support. Each member of
* this object is the name of a player (with one exception), whose value
* is an array of file extensions that player will "play". The one
* exception to this rule is the "qtwmp" member, which contains extensions
* that may be played using either QuickTime or Windows Media Player.
*
* - img: Image file extensions
* - swf: Flash SWF file extensions
* - flv: Flash video file extensions (will be played by JW FLV player)
* - qt: Movie file extensions supported by QuickTime
* - wmp: Movie file extensions supported by Windows Media Player
* - qtwmp: Movie file extensions supported by both QuickTime and Windows Media Player
* - iframe: File extensions that will be display in an iframe
*
* IMPORTANT: If this object is to be modified, it must be copied in its
* entirety and tweaked because it is not merged recursively with the
* default. Also, any modifications must be passed into Shadowbox.init
* for speed reasons.
*
* @var Object ext
*/
ext: {
img: ['png', 'jpg', 'jpeg', 'gif', 'bmp'],
swf: ['swf'],
flv: ['flv'],
qt: ['dv', 'mov', 'moov', 'movie', 'mp4'],
wmp: ['asf', 'wm', 'wmv'],
qtwmp: ['avi', 'mpg', 'mpeg'],
iframe: ['asp', 'aspx', 'cgi', 'cfm', 'htm', 'html', 'pl', 'php',
'php3', 'php4', 'php5', 'phtml', 'rb', 'rhtml', 'shtml',
'txt', 'vbs']
}
};
// shorthand
var SB = Shadowbox;
var SL = SB.lib;
/**
* Stores the default set of options in case a custom set of options is used
* on a link-by-link basis so we can restore them later.
*
* @var Object
* @private
*/
var default_options;
/**
* An object containing some regular expressions we'll need later. Compiled
* up front for speed.
*
* @var Object
* @private
*/
var RE = {
domain: /:\/\/(.*?)[:\/]/, // domain prefix
inline: /#(.+)$/, // inline element id
rel: /^(light|shadow)box/i, // rel attribute format
gallery: /^(light|shadow)box\[(.*?)\]/i, // rel attribute format for gallery link
unsupported: /^unsupported-(\w+)/, // unsupported media type
param: /\s*([a-z_]*?)\s*=\s*(.+)\s*/, // rel string parameter
empty: /^(?:br|frame|hr|img|input|link|meta|range|spacer|wbr|area|param|col)$/i // elements that don't have children
};
/**
* A cache of options for links that have been set up for use with
* Shadowbox.
*
* @var Array
* @private
*/
var cache = [];
/**
* An array containing the gallery objects currently being viewed. In the
* case of non-gallery items, this will only hold one object.
*
* @var Array
* @private
*/
var gallery;
/**
* The array index of the current gallery that is currently being viewed.
*
* @var Number
* @private
*/
var current;
/**
* The current content object.
*
* @var Object
* @private
*/
var content;
/**
* The id to use for content objects.
*
* @var String
* @private
*/
var content_id = 'shadowbox_content';
/**
* Holds the current dimensions of Shadowbox as calculated by
* setDimensions(). Contains the following properties:
*
* - height: The total height of #shadowbox
* - width: The total width of #shadowbox
* - inner_h: The height of #shadowbox_body
* - inner_w: The width of #shadowbox_body
* - top: The top to use for #shadowbox
* - resize_h: The height to use for resizable content
* - resize_w: The width to use for resizable content
* - drag: True if dragging should be enabled (oversized image)
*
* @var Object
* @private
*/
var dims;
/**
* Keeps track of whether or not Shadowbox has been initialized. We never
* want to initialize twice.
*
* @var Boolean
* @private
*/
var initialized = false;
/**
* Keeps track of whether or not Shadowbox is activated.
*
* @var Boolean
* @private
*/
var activated = false;
/**
* The timeout id for the slideshow transition function.
*
* @var Number
* @private
*/
var slide_timer;
/**
* Keeps track of the time at which the current slideshow frame was
* displayed.
*
* @var Number
* @private
*/
var slide_start;
/**
* The delay on which the next slide will display.
*
* @var Number
* @private
*/
var slide_delay = 0;
/**
* These parameters for simple browser detection. Adapted from Ext.js.
*
* @var Object
* @private
*/
var ua = navigator.userAgent.toLowerCase();
var client = {
isStrict: document.compatMode == 'CSS1Compat',
isOpera: ua.indexOf('opera') > -1,
isIE: ua.indexOf('msie') > -1,
isIE7: ua.indexOf('msie 7') > -1,
isSafari: /webkit|khtml/.test(ua),
isWindows: ua.indexOf('windows') != -1 || ua.indexOf('win32') != -1,
isMac: ua.indexOf('macintosh') != -1 || ua.indexOf('mac os x') != -1,
isLinux: ua.indexOf('linux') != -1
};
client.isBorderBox = client.isIE && !client.isStrict;
client.isSafari3 = client.isSafari && !!(document.evaluate);
client.isGecko = ua.indexOf('gecko') != -1 && !client.isSafari;
/**
* You're not sill using IE6 are you?
*
* @var Boolean
* @private
*/
var ltIE7 = client.isIE && !client.isIE7;
/**
* Contains plugin support information. Each property of this object is a
* boolean indicating whether that plugin is supported.
*
* - fla: Flash player
* - qt: QuickTime player
* - wmp: Windows Media player
* - f4m: Flip4Mac plugin
*
* @var Object
* @private
*/
var plugins;
// detect plugin support
if(navigator.plugins && navigator.plugins.length){
var detectPlugin = function(plugin_name){
var detected = false;
for (var i = 0, len = navigator.plugins.length; i < len; ++i){
if(navigator.plugins[i].name.indexOf(plugin_name) > -1){
detected = true;
break;
}
}
return detected;
};
var f4m = detectPlugin('Flip4Mac');
plugins = {
fla: detectPlugin('Shockwave Flash'),
qt: detectPlugin('QuickTime'),
wmp: !f4m && detectPlugin('Windows Media'), // if it's Flip4Mac, it's not really WMP
f4m: f4m
};
}else{
var detectPlugin = function(plugin_name){
var detected = false;
try{
var axo = new ActiveXObject(plugin_name);
if(axo) detected = true;
}catch(e){}
return detected;
};
plugins = {
fla: detectPlugin('ShockwaveFlash.ShockwaveFlash'),
qt: detectPlugin('QuickTime.QuickTime'),
wmp: detectPlugin('wmplayer.ocx'),
f4m: false
};
}
/**
* Applies all properties of e to o.
*
* @param Object o The original object
* @param Object e The extension object
* @return Object The original object with all properties
* of the extension object applied
* @private
*/
var apply = function(o, e){
for(var p in e) o[p] = e[p];
return o;
};
/**
* Determines if the given object is an anchor/area element.
*
* @param mixed el The object to check
* @return Boolean True if the object is a link element
* @private
*/
var isLink = function(el){
return el && typeof el.tagName == 'string' && (el.tagName.toUpperCase() == 'A' || el.tagName.toUpperCase() == 'AREA');
};
/**
* Gets the height of the viewport in pixels. Note: This function includes
* scrollbars in Safari 3.
*
* @return Number The height of the viewport
* @public
* @static
*/
SL.getViewportHeight = function(){
var h = window.innerHeight; // Safari
var mode = document.compatMode;
if((mode || client.isIE) && !client.isOpera){
h = client.isStrict ? document.documentElement.clientHeight : document.body.clientHeight;
}
return h;
};
/**
* Gets the width of the viewport in pixels. Note: This function includes
* scrollbars in Safari 3.
*
* @return Number The width of the viewport
* @public
* @static
*/
SL.getViewportWidth = function(){
var w = window.innerWidth; // Safari
var mode = document.compatMode;
if(mode || client.isIE){
w = client.isStrict ? document.documentElement.clientWidth : document.body.clientWidth;
}
return w;
};
/**
* Creates an HTML string from an object representing HTML elements. Based
* on Ext.DomHelper's createHtml.
*
* @param Object obj The HTML definition object
* @return String An HTML string
* @public
* @static
*/
SL.createHTML = function(obj){
var html = '<' + obj.tag;
for(var attr in obj){
if(attr == 'tag' || attr == 'html' || attr == 'children') continue;
if(attr == 'cls'){
html += ' class="' + obj['cls'] + '"';
}else{
html += ' ' + attr + '="' + obj[attr] + '"';
}
}
if(RE.empty.test(obj.tag)){
html += '/>';
}else{
html += '>';
var cn = obj.children;
if(cn){
for(var i = 0, len = cn.length; i < len; ++i){
html += this.createHTML(cn[i]);
}
}
if(obj.html) html += obj.html;
html += '</' + obj.tag + '>';
}
return html;
};
/**
* Easing function used for animations. Based on a cubic polynomial.
*
* @param Number x The state of the animation (% complete)
* @return Number The adjusted easing value
* @private
* @static
*/
var ease = function(x){
return 1 + Math.pow(x - 1, 3);
};
/**
* Animates any numeric (not color) style of the given element from its
* current state to the given value. Defaults to using pixel-based
* measurements.
*
* @param HTMLElement el The DOM element to animate
* @param String p The property to animate (in camelCase)
* @param mixed to The value to animate to
* @param Number d The duration of the animation (in
* seconds)
* @param Function cb A callback function to call when the
* animation completes
* @return void
* @private
* @static
*/
var animate = function(el, p, to, d, cb){
var from = parseFloat(SL.getStyle(el, p));
if(isNaN(from)) from = 0;
if(from == to){
if(typeof cb == 'function') cb();
return; // nothing to animate
}
var delta = to - from;
var op = p == 'opacity';
var unit = op ? '' : 'px'; // default unit is px
var fn = function(ease){
SL.setStyle(el, p, from + ease * delta + unit);
};
// cancel the animation here if set in the options
if(!options.animate && !op || op && !options.animateFade){
fn(1);
if(typeof cb == 'function') cb();
return;
}
d *= 1000; // convert to milliseconds
var begin = new Date().getTime();
var end = begin + d;
var timer = setInterval(function(){
var time = new Date().getTime();
if(time >= end){ // end of animation
clearInterval(timer);
fn(1);
if(typeof cb == 'function') cb();
}else{
fn(ease((time - begin) / d));
}
}, 10); // 10 ms interval is minimum on WebKit
};
/**
* A utility function used by the fade functions to clear the opacity
* style setting of the given element. Required in some cases for IE.
*
* @param HTMLElement el The DOM element
* @return void
* @private
*/
var clearOpacity = function(el){
var s = el.style;
if(client.isIE){
if(typeof s.filter == 'string' && (/alpha/i).test(s.filter)){
// careful not to overwrite other filters!
s.filter = s.filter.replace(/[\w\.]*alpha\(.*?\);?/i, '');
}
}else{
s.opacity = '';
s['-moz-opacity'] = '';
s['-khtml-opacity'] = '';
}
};
/**
* Gets the computed height of the given element, including padding and
* borders.
*
* @param HTMLElement el The element
* @return Number The computed height of the element
* @private
*/
var getComputedHeight = function(el){
var h = Math.max(el.offsetHeight, el.clientHeight);
if(!h){
h = parseInt(SL.getStyle(el, 'height'), 10) || 0;
if(!client.isBorderBox){
h += parseInt(SL.getStyle(el, 'padding-top'), 10)
+ parseInt(SL.getStyle(el, 'padding-bottom'), 10)
+ parseInt(SL.getStyle(el, 'border-top-width'), 10)
+ parseInt(SL.getStyle(el, 'border-bottom-width'), 10);
}
}
return h;
};
/**
* Determines the player needed to display the file at the given URL. If
* the file type is not supported, the return value will be 'unsupported'.
* If the file type is not supported but the correct player can be
* determined, the return value will be 'unsupported-*' where * will be the
* player abbreviation (e.g. 'qt' = QuickTime).
*
* @param String url The url of the file
* @return String The name of the player to use
* @private
*/
var getPlayer = function(url){
var m = url.match(RE.domain);
var d = m && document.domain == m[1]; // same domain
if(url.indexOf('#') > -1 && d) return 'inline';
var q = url.indexOf('?');
if(q > -1) url = url.substring(0, q); // strip query string for player detection purposes
if(RE.img.test(url)) return 'img';
if(RE.swf.test(url)) return plugins.fla ? 'swf' : 'unsupported-swf';
if(RE.flv.test(url)) return plugins.fla ? 'flv' : 'unsupported-flv';
if(RE.qt.test(url)) return plugins.qt ? 'qt' : 'unsupported-qt';
if(RE.wmp.test(url)){
if(plugins.wmp) return 'wmp';
if(plugins.f4m) return 'qt';
if(client.isMac) return plugins.qt ? 'unsupported-f4m' : 'unsupported-qtf4m';
return 'unsupported-wmp';
}else if(RE.qtwmp.test(url)){
if(plugins.qt) return 'qt';
if(plugins.wmp) return 'wmp';
return client.isMac ? 'unsupported-qt' : 'unsupported-qtwmp';
}else if(!d || RE.iframe.test(url)){
return 'iframe';
}
return 'unsupported'; // same domain, not supported
};
/**
* Handles all clicks on links that have been set up to work with Shadowbox
* and cancels the default event behavior when appropriate.
*
* @param {Event} ev The click event object
* @return void
* @private
*/
var handleClick = function(ev){
// get anchor/area element
var link;
if(isLink(this)){
link = this; // jQuery, Prototype, YUI
}else{
link = SL.getTarget(ev); // Ext, standalone
while(!isLink(link) && link.parentNode){
link = link.parentNode;
}
}
//SL.preventDefault(ev); // good for debugging
if(link){
SB.open(link);
if(gallery.length) SL.preventDefault(ev); // stop event
}
};
/**
* Toggles the display of the nav control with the given id on and off.
*
* @param String id The id of the navigation control
* @param Boolean on True to toggle on, false to toggle off
* @return void
* @private
*/
var toggleNav = function(id, on){
var el = SL.get('shadowbox_nav_' + id);
if(el) el.style.display = on ? '' : 'none';
};
/**
* Builds the content for the title and information bars.
*
* @param Function cb A callback function to execute after the
* bars are built
* @return void
* @private
*/
var buildBars = function(cb){
var obj = gallery[current];
var title_i = SL.get('shadowbox_title_inner');
// build the title
title_i.innerHTML = obj.title || '';
// build the nav
var nav = SL.get('shadowbox_nav');
if(nav){
var c, n, pl, pa, p;
// need to build the nav?
if(options.displayNav){
c = true;
// next & previous links
var len = gallery.length;
if(len > 1){
if(options.continuous){
n = p = true; // show both
}else{
n = (len - 1) > current; // not last in gallery, show next
p = current > 0; // not first in gallery, show previous
}
}
// in a slideshow?
if(options.slideshowDelay > 0 && hasNext()){
pa = slide_timer != 'paused';
pl = !pa;
}
}else{
c = n = pl = pa = p = false;
}
toggleNav('close', c);
toggleNav('next', n);
toggleNav('play', pl);
toggleNav('pause', pa);
toggleNav('previous', p);
}
// build the counter
var counter = SL.get('shadowbox_counter');
if(counter){
var co = '';
// need to build the counter?
if(options.displayCounter && gallery.length > 1){
if(options.counterType == 'skip'){
// limit the counter?
var i = 0, len = gallery.length, end = len;
var limit = parseInt(options.counterLimit);
if(limit < len){ // support large galleries
var h = Math.round(limit / 2);
i = current - h;
if(i < 0) i += len;
end = current + (limit - h);
if(end > len) end -= len;
}
while(i != end){
if(i == len) i = 0;
co += '<a onclick="Shadowbox.change(' + i + ');"';
if(i == current) co += ' class="shadowbox_counter_current"';
co += '>' + (++i) + '</a>';
}
}else{ // default
co = (current + 1) + ' ' + SB.LANG.of + ' ' + len;
}
}
counter.innerHTML = co;
}
cb();
};
/**
* Hides the title and info bars.
*
* @param Boolean anim True to animate the transition
* @param Function cb A callback function to execute after the
* animation completes
* @return void
* @private
*/
var hideBars = function(anim, cb){
var obj = gallery[current];
var title = SL.get('shadowbox_title');
var info = SL.get('shadowbox_info');
var title_i = SL.get('shadowbox_title_inner');
var info_i = SL.get('shadowbox_info_inner');
// build bars after they are hidden
var fn = function(){
buildBars(cb);
};
var title_h = getComputedHeight(title);
var info_h = getComputedHeight(info) * -1;
if(anim){
// animate the transition
animate(title_i, 'margin-top', title_h, 0.35);
animate(info_i, 'margin-top', info_h, 0.35, fn);
}else{
SL.setStyle(title_i, 'margin-top', title_h + 'px');
SL.setStyle(info_i, 'margin-top', info_h + 'px');
fn();
}
};
/**
* Shows the title and info bars.
*
* @param Function cb A callback function to execute after the
* animation completes
* @return void
* @private
*/
var showBars = function(cb){
var title_i = SL.get('shadowbox_title_inner');
var info_i = SL.get('shadowbox_info_inner');
var t = title_i.innerHTML != ''; // is there a title to display?
if(t) animate(title_i, 'margin-top', 0, 0.35);
animate(info_i, 'margin-top', 0, 0.35, cb);
};
/**
* Loads the Shadowbox with the current piece.
*
* @return void
* @private
*/
var loadContent = function(){
var obj = gallery[current];
if(!obj) return; // invalid
var changing = false;
if(content){
content.remove(); // remove old content first
changing = true; // changing from some previous content
}
// determine player, inline is really just HTML
var p = obj.player == 'inline' ? 'html' : obj.player;
// make sure player is loaded
if(typeof SB[p] != 'function'){
SB.raise('Unknown player ' + obj.player);
}
content = new SB[p](content_id, obj); // instantiate new content object
listenKeys(false); // disable the keyboard temporarily
toggleLoading(true);
hideBars(changing, function(){ // if changing, animate the bars transition
if(!content) return;
// if opening, clear #shadowbox display
if(!changing){
SL.get('shadowbox').style.display = '';
}
var fn = function(){
resizeContent(function(){
if(!content) return;
showBars(function(){
if(!content) return;
// append content just before hiding the loading layer
SL.get('shadowbox_body_inner').innerHTML = SL.createHTML(content.markup(dims));
toggleLoading(false, function(){
if(!content) return;
if(typeof content.onLoad == 'function'){
content.onLoad(); // call onLoad callback if present
}
if(options.onFinish && typeof options.onFinish == 'function'){
options.onFinish(gallery[current]); // fire onFinish handler
}
if(slide_timer != 'paused'){
SB.play(); // kick off next slide
}
listenKeys(true); // re-enable the keyboard
});
});
});
};
if(typeof content.ready != 'undefined'){ // does the object have a ready property?
var id = setInterval(function(){ // if so, wait for the object to be ready
if(content){
if(content.ready){
clearInterval(id); // clean up
id = null;
fn();
}
}else{ // content has been removed
clearInterval(id);
id = null;
}
}, 100);
}else{
fn();
}
});
// preload neighboring gallery images
if(gallery.length > 1){
var next = gallery[current + 1] || gallery[0];
if(next.player == 'img'){
var a = new Image();
a.src = next.content;
}
var prev = gallery[current - 1] || gallery[gallery.length - 1];
if(prev.player == 'img'){
var b = new Image();
b.src = prev.content;
}
}
};
/**
* Calculates the dimensions for Shadowbox, taking into account the borders
* and surrounding elements of the shadowbox_body. If the height/width
* combination is too large for Shadowbox and handleOversize option is set
* to 'resize', the resized dimensions will be returned (preserving the
* original aspect ratio). Otherwise, the originally calculated dimensions
* will be used. Stores all dimensions in the private dims variable.
*
* @param Number height The content player height
* @param Number width The content player width
* @param Boolean resizable True if the content is able to be
* resized. Defaults to false.
* @return void
* @private
*/
var setDimensions = function(height, width, resizable){
resizable = resizable || false;
var sb = SL.get('shadowbox_body');
var h = height = parseInt(height);
var w = width = parseInt(width);
var view_h = SL.getViewportHeight();
var view_w = SL.getViewportWidth();
// calculate the max width
var border_w = parseInt(SL.getStyle(sb, 'border-left-width'), 10)
+ parseInt(SL.getStyle(sb, 'border-right-width'), 10);
var extra_w = border_w + 2 * options.viewportPadding;
if(w + extra_w >= view_w){
w = view_w - extra_w;
}
// calculate the max height
var border_h = parseInt(SL.getStyle(sb, 'border-top-width'), 10)
+ parseInt(SL.getStyle(sb, 'border-bottom-width'), 10);
var bar_h = getComputedHeight(SL.get('shadowbox_title'))
+ getComputedHeight(SL.get('shadowbox_info'));
var extra_h = border_h + 2 * options.viewportPadding + bar_h;
if(h + extra_h >= view_h){
h = view_h - extra_h;
}
// handle oversized content
var drag = false;
var resize_h = height;
var resize_w = width;
var handle = options.handleOversize;
if(resizable && (handle == 'resize' || handle == 'drag')){
var change_h = (height - h) / height;
var change_w = (width - w) / width;
if(handle == 'resize'){
if(change_h > change_w){
w = Math.round((width / height) * h);
}else if(change_w > change_h){
h = Math.round((height / width) * w);
}
// adjust resized height or width accordingly
resize_w = w;
resize_h = h;
}else{
// drag on oversized images only
var link = gallery[current];
if(link) drag = link.player == 'img' && (change_h > 0 || change_w > 0);
}
}
// update dims
dims = {
height: h + border_h + bar_h,
width: w + border_w,
inner_h: h,
inner_w: w,
top: (view_h - (h + extra_h)) / 2 + options.viewportPadding,
resize_h: resize_h,
resize_w: resize_w,
drag: drag
};
};
/**
* Resizes Shadowbox to the given height and width. If the callback
* parameter is given, the transition will be animated and the callback
* function will be called when the animation completes. Note: The private
* content variable must be updated before calling this function.
*
* @param Function cb A callback function to execute after the
* content has been resized
* @return void
* @private
*/
var resizeContent = function(cb){
if(!content) return; // no content
// set new dimensions
setDimensions(content.height, content.width, content.resizable);
if(cb){
switch(options.animSequence){
case 'hw':
adjustHeight(dims.inner_h, dims.top, true, function(){
adjustWidth(dims.width, true, cb);
});
break;
case 'wh':
adjustWidth(dims.width, true, function(){
adjustHeight(dims.inner_h, dims.top, true, cb);
});
break;
case 'sync':
default:
adjustWidth(dims.width, true);
adjustHeight(dims.inner_h, dims.top, true, cb);
}
}else{ // window resize
adjustWidth(dims.width, false);
adjustHeight(dims.inner_h, dims.top, false);
var c = SL.get(content_id);
if(c){
// resize resizable content when in resize mode
if(content.resizable && options.handleOversize == 'resize'){
c.height = dims.resize_h;
c.width = dims.resize_w;
}
// fix draggable positioning if enlarging viewport
if(gallery[current].player == 'img' && options.handleOversize == 'drag'){
var top = parseInt(SL.getStyle(c, 'top'));
if(top + content.height < dims.inner_h){
SL.setStyle(c, 'top', dims.inner_h - content.height + 'px');
}
var left = parseInt(SL.getStyle(c, 'left'));
if(left + content.width < dims.inner_w){
SL.setStyle(c, 'left', dims.inner_w - content.width + 'px');
}
}
}
}
};
/**
* Adjusts the height of #shadowbox_body and centers #shadowbox vertically
* in the viewport.
*
* @param Number height The height to use for #shadowbox_body
* @param Number top The top to use for #shadowbox
* @param Boolean anim True to animate the transition
* @param Function cb A callback to use when the animation
* completes
* @return void
* @private
*/
var adjustHeight = function(height, top, anim, cb){
height = parseInt(height);
// adjust the height
var sb = SL.get('shadowbox_body');
if(anim){
animate(sb, 'height', height, options.resizeDuration);
}else{
SL.setStyle(sb, 'height', height + 'px');
}
// adjust the top
var s = SL.get('shadowbox');
if(anim){
animate(s, 'top', top, options.resizeDuration, cb);
}else{
SL.setStyle(s, 'top', top + 'px');
if(typeof cb == 'function') cb();
}
};
/**
* Adjusts the width of #shadowbox.
*
* @param Number width The width to use for #shadowbox
* @param Boolean anim True to animate the transition
* @param Function cb A callback to use when the animation
* completes
* @return void
* @private
*/
var adjustWidth = function(width, anim, cb){
width = parseInt(width);
// adjust the width
var s = SL.get('shadowbox');
if(anim){
animate(s, 'width', width, options.resizeDuration, cb);
}else{
SL.setStyle(s, 'width', width + 'px');
if(typeof cb == 'function') cb();
}
};
/**
* Sets up a listener on the document for keystrokes.
*
* @param Boolean on True to enable the listener, false to turn
* it off
* @return void
* @private
*/
var listenKeys = function(on){
if(!options.enableKeys) return;
SL[(on ? 'add' : 'remove') + 'Event'](document, 'keydown', handleKey);
};
/**
* A listener function that is fired when a key is pressed.
*
* @param mixed e The event object
* @return void
* @private
*/
var handleKey = function(e){
var code = SL.keyCode(e);
// attempt to prevent default key action
SL.preventDefault(e);
if(code == 81 || code == 88 || code == 27){ // q, x, or esc
SB.close();
}else if(code == 37){ // left arrow
SB.previous();
}else if(code == 39){ // right arrow
SB.next();
}else if(code == 32){ // space bar
SB[(typeof slide_timer == 'number' ? 'pause' : 'play')]();
}
};
/**
* Toggles the visibility of the "loading" layer.
*
* @param Boolean on True to toggle on, false to toggle off
* @param Function cb The callback function to call when toggling
* completes
* @return void
* @private
*/
var toggleLoading = function(on, cb){
var loading = SL.get('shadowbox_loading');
if(on){
loading.style.display = '';
if(typeof cb == 'function') cb();
}else{
var p = gallery[current].player;
var anim = (p == 'img' || p == 'html'); // fade on images & html
var fn = function(){
loading.style.display = 'none';
clearOpacity(loading);
if(typeof cb == 'function') cb();
};
if(anim){
animate(loading, 'opacity', 0, options.fadeDuration, fn);
}else{
fn();
}
}
};
/**
* Sets the top of the container element. This is only necessary in IE6
* where the container uses absolute positioning instead of fixed.
*
* @return void
* @private
*/
var fixTop = function(){
SL.get('shadowbox_container').style.top = document.documentElement.scrollTop + 'px';
};
/**
* Sets the height of the overlay element to the full viewport height. This
* is only necessary in IE6 where the container uses absolute positioning
* instead of fixed, thus restricting the size of the overlay element.
*
* @return void
* @private
*/
var fixHeight = function(){
SL.get('shadowbox_overlay').style.height = SL.getViewportHeight() + 'px';
};
/**
* Determines if there is a next piece to display in the current gallery.
*
* @return bool True if there is another piece, false otherwise
* @private
*/
var hasNext = function(){
return gallery.length > 1 && (current != gallery.length - 1 || options.continuous);
};
/**
* Toggles the visibility of #shadowbox_container and sets its size (if on
* IE6). Also toggles the visibility of elements (<select>, <object>, and
* <embed>) that are troublesome for semi-transparent modal overlays. IE has
* problems with <select> elements, while Firefox has trouble with
* <object>s.
*
* @param Function cb A callback to call after toggling on, absent
* when toggling off
* @return void
* @private
*/
var toggleVisible = function(cb){
var els, v = (cb) ? 'hidden' : 'visible';
var hide = ['select', 'object', 'embed']; // tags to hide
for(var i = 0; i < hide.length; ++i){
els = document.getElementsByTagName(hide[i]);
for(var j = 0, len = els.length; j < len; ++j){
els[j].style.visibility = v;
}
}
// resize & show container
var so = SL.get('shadowbox_overlay');
var sc = SL.get('shadowbox_container');
var sb = SL.get('shadowbox');
if(cb){
// set overlay color/opacity
SL.setStyle(so, {
backgroundColor: options.overlayColor,
opacity: 0
});
if(!options.modal) SL.addEvent(so, 'click', SB.close);
if(ltIE7){
// fix container top & overlay height before showing
fixTop();
fixHeight();
SL.addEvent(window, 'scroll', fixTop);
}
// fade in animation
sb.style.display = 'none'; // will be cleared in loadContent()
sc.style.visibility = 'visible';
animate(so, 'opacity', parseFloat(options.overlayOpacity), options.fadeDuration, cb);
}else{
SL.removeEvent(so, 'click', SB.close);
if(ltIE7) SL.removeEvent(window, 'scroll', fixTop);
// fade out effect
sb.style.display = 'none';
animate(so, 'opacity', 0, options.fadeDuration, function(){
sc.style.visibility = 'hidden';
sb.style.display = '';
clearOpacity(so);
});
}
};
/**
* Initializes the Shadowbox environment. Loads the skin (if necessary),
* compiles the player matching regular expressions, and sets up the
* window resize listener.
*
* @param Object opts (optional) The default options to use
* @return void
* @public
* @static
*/
Shadowbox.init = function(opts){
// don't initialize twice
if(initialized) return;
// make sure language is loaded
if(typeof SB.LANG == 'undefined'){
SB.raise('No Shadowbox language loaded');
return;
}
// make sure skin is loaded
if(typeof SB.SKIN == 'undefined'){
SB.raise('No Shadowbox skin loaded');
return;
}
// apply custom options
apply(options, opts || {});
// add markup
var markup = SB.SKIN.markup.replace(/\{(\w+)\}/g, function(m, p){
return SB.LANG[p];
});
var bd = document.body || document.documentElement;
SL.append(bd, markup);
// several fixes for IE6
if(ltIE7){
// give the container absolute positioning
SL.setStyle(SL.get('shadowbox_container'), 'position', 'absolute');
// give shadowbox_body "layout"...whatever that is
SL.get('shadowbox_body').style.zoom = 1;
// use AlphaImageLoader for transparent PNG support
var png = SB.SKIN.png_fix;
if(png && png.constructor == Array){
for(var i = 0; i < png.length; ++i){
var el = SL.get(png[i]);
if(el){
var match = SL.getStyle(el, 'background-image').match(/url\("(.*\.png)"\)/);
if(match){
SL.setStyle(el, {
backgroundImage: 'none',
filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,src=' + match[1] + ',sizingMethod=scale);'
});
}
}
}
}
}
// compile file type regular expressions here for speed
for(var e in options.ext){
RE[e] = new RegExp('\.(' + options.ext[e].join('|') + ')\s*$', 'i');
}
// set up window resize event handler
var id;
SL.addEvent(window, 'resize', function(){
// use 50 ms event buffering to prevent jerky window resizing
if(id){
clearTimeout(id);
id = null;
}
id = setTimeout(function(){
if(ltIE7) fixHeight();
resizeContent();
}, 50);
});
if(!options.skipSetup) SB.setup();
initialized = true;
};
/**
* Dynamically loads the specified skin for use with Shadowbox. If the skin
* is included already in the page via the appropriate <script> and <link>
* tags, this function does not need to be called. Otherwise, this function
* must be called before window.onload.
*
* @param String skin The directory where the skin is located
* @param String dir The directory where the Shadowbox skin
* files are located
* @return void
* @public
* @static
*/
Shadowbox.loadSkin = function(skin, dir){
if(!(/\/$/.test(dir))) dir += '/';
skin = dir + skin + '/';
// Safari 2.0 fails using DOM, use document.write instead
document.write('<link rel="stylesheet" type="text/css" href="' + skin + 'skin.css">');
document.write('<scr' + 'ipt type="text/javascript" src="' + skin + 'skin.js"><\/script>');
};
/**
* Dynamically loads the specified language file to be used with Shadowbox.
* If the language file is included already in the page via the appropriate
* <script> tag, this function does not need to be called. Otherwise, this
* function must be called before window.onload.
*
* @param String lang The language abbreviation (e.g. en)
* @param String dir The directory where the Shadowbox
* language file(s) is located
* @return void
* @public
* @static
*/
Shadowbox.loadLanguage = function(lang, dir){
if(!(/\/$/.test(dir))) dir += '/';
// Safari 2.0 fails using DOM, use document.write instead
document.write('<scr' + 'ipt type="text/javascript" src="' + dir + 'shadowbox-' + lang + '.js"><\/script>');
};
/**
* Dynamically loads the specified player(s) to be used with Shadowbox. If
* the needed player(s) is already included in the page via the appropriate
* <script> tag(s), this function does not need to be called. Otherwise,
* this function must be called before window.onload.
*
* @param Array players The player(s) to load
* @param String dir The director where the Shadowbox player
* file(s) is located
* @return void
* @public
* @static
*/
Shadowbox.loadPlayer = function(players, dir){
if(typeof players == 'string') players = [players];
if(!(/\/$/.test(dir))) dir += '/';
for(var i = 0, len = players.length; i < len; ++i){
// Safari 2.0 fails using DOM, use document.write instead
document.write('<scr' + 'ipt type="text/javascript" src="' + dir + 'shadowbox-' + players[i] + '.js"><\/script>');
}
};
/**
* Sets up listeners on the given links that will trigger Shadowbox. If no
* links are given, this method will set up every anchor element on the page
* with the appropriate rel attribute. Note: Because AREA elements do not
* support the rel attribute, they must be explicitly passed to this method.
*
* @param Array links An array (or array-like) list of anchor
* and/or area elements to set up
* @param Object opts Some options to use for the given links
* @return void
* @public
* @static
*/
Shadowbox.setup = function(links, opts){
// get links if none specified
if(!links){
var links = [];
var a = document.getElementsByTagName('a'), rel;
for(var i = 0, len = a.length; i < len; ++i){
rel = a[i].getAttribute('rel');
if(rel && RE.rel.test(rel)) links[links.length] = a[i];
}
}else if(!links.length){
links = [links]; // one link
}
var link;
for(var i = 0, len = links.length; i < len; ++i){
link = links[i];
if(typeof link.shadowboxCacheKey == 'undefined'){
// assign cache key expando
// use integer primitive to avoid memory leak in IE
link.shadowboxCacheKey = cache.length;
SL.addEvent(link, 'click', handleClick); // add listener
}
cache[link.shadowboxCacheKey] = this.buildCacheObj(link, opts);
}
};
/**
* Builds an object from the original link element data to store in cache.
* These objects contain (most of) the following keys:
*
* - el: the link element
* - title: the linked file title
* - player: the player to use for the linked file
* - content: the linked file's URL
* - gallery: the gallery the file belongs to (optional)
* - height: the height of the linked file (only necessary for movies)
* - width: the width of the linked file (only necessary for movies)
* - options: custom options to use (optional)
*
* @param HTMLElement link The link element to process
* @return Object An object representing the link
* @public
* @static
*/
Shadowbox.buildCacheObj = function(link, opts){
var href = link.href; // don't use getAttribute() here
var o = {
el: link,
title: link.getAttribute('title'),
player: getPlayer(href),
options: apply({}, opts || {}), // break the reference
content: href
};
// remove link-level options from top-level options
var opt, l_opts = ['player', 'title', 'height', 'width', 'gallery'];
for(var i = 0, len = l_opts.length; i < len; ++i){
opt = l_opts[i];
if(typeof o.options[opt] != 'undefined'){
o[opt] = o.options[opt];
delete o.options[opt];
}
}
// HTML options always trump JavaScript options, so do these last
var rel = link.getAttribute('rel');
if(rel){
// extract gallery name from shadowbox[name] format
var match = rel.match(RE.gallery);
if(match) o.gallery = escape(match[2]);
// other parameters
var params = rel.split(';');
for(var i = 0, len = params.length; i < len; ++i){
match = params[i].match(RE.param);
if(match){
if(match[1] == 'options'){
eval('apply(o.options, ' + match[2] + ')');
}else{
o[match[1]] = match[2];
}
}
}
}
return o;
};
/**
* Applies the given set of options to those currently in use. Note: Options
* will be reset on Shadowbox.open() so this function is only useful after
* it has already been called (while Shadowbox is open).
*
* @param Object opts The options to apply
* @return void
* @public
* @static
*/
Shadowbox.applyOptions = function(opts){
if(opts){
// use apply here to break references
default_options = apply({}, options); // store default options
options = apply(options, opts); // apply options
}
};
/**
* Reverts Shadowbox' options to the last default set in use before
* Shadowbox.applyOptions() was called.
*
* @return void
* @public
* @static
*/
Shadowbox.revertOptions = function(){
if(default_options){
options = default_options; // revert to default options
default_options = null; // erase for next time
}
};
/**
* Opens the given object in Shadowbox. This object may be either an
* anchor/area element, or an object similar to the one created by
* Shadowbox.buildCacheObj().
*
* @param mixed obj The object or link element that defines
* what to display
* @return void
* @public
* @static
*/
Shadowbox.open = function(obj, opts){
// revert options
this.revertOptions();
// is it a link?
if(isLink(obj)){
if(typeof obj.shadowboxCacheKey == 'undefined' || typeof cache[obj.shadowboxCacheKey] == 'undefined'){
// link element that hasn't been set up before
// create on-the-fly object
obj = this.buildCacheObj(obj, opts);
}else{
// link element that has been set up before, get from cache
obj = cache[obj.shadowboxCacheKey];
}
}
// is it already a gallery?
if(obj.constructor == Array){
gallery = obj;
current = 0;
}else{
// create a copy so it doesn't get modified later
var copy = apply({}, obj);
// is it part of a gallery?
if(!obj.gallery){ // single item, no gallery
gallery = [copy];
current = 0;
}else{
current = null; // reset current
gallery = []; // clear the current gallery
var ci;
for(var i = 0, len = cache.length; i < len; ++i){
ci = cache[i];
if(ci.gallery){
if(ci.content == obj.content
&& ci.gallery == obj.gallery
&& ci.title == obj.title){ // compare content, gallery, & title
current = gallery.length; // key element found
}
if(ci.gallery == obj.gallery){
gallery.push(apply({}, ci));
}
}
}
// if not found in cache, prepend to front of gallery
if(current == null){
gallery.unshift(copy);
current = 0;
}
}
}
obj = gallery[current];
// apply custom options
if(obj.options || opts){
// use apply here to break references
this.applyOptions(apply(apply({}, obj.options || {}), opts || {}));
}
// filter gallery for unsupported elements
var match, r;
for(var i = 0, len = gallery.length; i < len; ++i){
r = false; // remove the element?
if(gallery[i].player == 'unsupported'){ // don't support this at all
r = true;
}else if(match = RE.unsupported.exec(gallery[i].player)){ // handle unsupported elements
if(options.handleUnsupported == 'link'){
gallery[i].player = 'html';
// generate a link to the appropriate plugin download page(s)
var s, a, oe = options.errors;
switch(match[1]){
case 'qtwmp':
s = 'either';
a = [oe.qt.url, oe.qt.name, oe.wmp.url, oe.wmp.name];
break;
case 'qtf4m':
s = 'shared';
a = [oe.qt.url, oe.qt.name, oe.f4m.url, oe.f4m.name];
break;
default:
s = 'single';
if(match[1] == 'swf' || match[1] == 'flv') match[1] = 'fla';
a = [oe[match[1]].url, oe[match[1]].name];
}
var msg = SB.LANG.errors[s].replace(/\{(\d+)\}/g, function(m, i){
return a[i];
});
gallery[i].content = '<div class="shadowbox_message">' + msg + '</div>';
}else{
r = true;
}
}else if(gallery[i].player == 'inline'){ // handle inline elements
// retrieve the innerHTML of the inline element
var match = RE.inline.exec(gallery[i].content);
if(match){
var el;
if(el = SL.get(match[1])){
gallery[i].content = el.innerHTML;
}else{
SB.raise('Cannot find element with id ' + match[1]);
}
}else{
SB.raise('Cannot find element id for inline content');
}
}
if(r){
gallery.splice(i, 1); // remove the element from the gallery
if(i < current){
--current;
}else if(i == current){
// if current is unsupported, look for supported neighbor
current = i > 0 ? current - 1 : i;
}
--i; // decrement to account for splice
len = gallery.length; // gallery.length has changed!
}
}
// anything left?
if(gallery.length){
// fire onOpen hook
if(options.onOpen && typeof options.onOpen == 'function'){
options.onOpen(obj);
}
if(!activated){
// set initial dimensions & load
setDimensions(options.initialHeight, options.initialWidth);
adjustHeight(dims.inner_h, dims.top, false);
adjustWidth(dims.width, false);
toggleVisible(loadContent);
} else {
loadContent();
}
activated = true;
}
};
/**
* Jumps to the piece in the current gallery with index num.
*
* @param Number num The gallery index to view
* @return void
* @public
* @static
*/
Shadowbox.change = function(num){
if(!gallery) return; // no current gallery
if(!gallery[num]){ // index does not exist
if(!options.continuous){
return;
}else{
num = num < 0 ? (gallery.length - 1) : 0; // loop
}
}
if(typeof slide_timer == 'number'){
clearTimeout(slide_timer);
slide_timer = null;
slide_delay = slide_start = 0; // reset slideshow variables
}
current = num; // update current
if(options.onChange && typeof options.onChange == 'function'){
options.onChange(gallery[current]); // fire onChange handler
}
loadContent();
};
/**
* Jumps to the next piece in the gallery.
*
* @return void
* @public
* @static
*/
Shadowbox.next = function(){
this.change(current + 1);
};
/**
* Jumps to the previous piece in the gallery.
*
* @return void
* @public
* @static
*/
Shadowbox.previous = function(){
this.change(current - 1);
};
/**
* Sets the timer for the next image in the slideshow to be displayed.
*
* @return void
* @public
* @static
*/
Shadowbox.play = function(){
if(!hasNext()) return;
if(!slide_delay) slide_delay = options.slideshowDelay * 1000;
if(slide_delay){
slide_start = new Date().getTime();
slide_timer = setTimeout(function(){
slide_delay = slide_start = 0; // reset slideshow
SB.next();
}, slide_delay);
// change play nav to pause
toggleNav('play', false);
toggleNav('pause', true);
}
};
/**
* Pauses the current slideshow.
*
* @return void
* @public
* @static
*/
Shadowbox.pause = function(){
if(typeof slide_timer == 'number'){
var time = new Date().getTime();
slide_delay = Math.max(0, slide_delay - (time - slide_start));
// any delay left on current slide? if so, stop the timer
if(slide_delay){
clearTimeout(slide_timer);
slide_timer = 'paused';
}
// change pause nav to play
toggleNav('pause', false);
toggleNav('play', true);
}
};
/**
* Deactivates Shadowbox.
*
* @return void
* @public
* @static
*/
Shadowbox.close = function(){
if(!activated) return; // already closed
// stop listening for keys
listenKeys(false);
// hide
toggleVisible(false);
// remove the content
if(content){
content.remove();
content = null;
}
// clear slideshow variables
if(typeof slide_timer == 'number') clearTimeout(slide_timer);
slide_timer = null;
slide_delay = 0;
// fire onClose handler
if(options.onClose && typeof options.onClose == 'function'){
options.onClose(gallery[current]);
}
activated = false;
};
/**
* Clears Shadowbox' cache and removes listeners and expandos from all
* cached link elements. May be used to completely reset Shadowbox in case
* links on a page change.
*
* @return void
* @public
* @static
*/
Shadowbox.clearCache = function(){
for(var i = 0, len = cache.length; i < len; ++i){
if(cache[i].el){
SL.removeEvent(cache[i].el, 'click', handleClick);
delete cache[i].el.shadowboxCacheKey; // remove expando
}
}
cache = [];
};
/**
* Gets an object that lists which plugins are supported by the client. The
* keys of this object will be:
*
* - fla: Adobe Flash Player
* - qt: QuickTime Player
* - wmp: Windows Media Player
* - f4m: Flip4Mac QuickTime Player
*
* @return Object The plugins object
* @public
* @static
*/
Shadowbox.getPlugins = function(){
return plugins;
};
/**
* Gets the current options object in use.
*
* @return Object The options object
* @public
* @static
*/
Shadowbox.getOptions = function(){
return options;
};
/**
* Gets the current gallery object.
*
* @return Object The current gallery item
* @public
* @static
*/
Shadowbox.getCurrent = function(){
return gallery[current];
};
/**
* Gets the current version number of Shadowbox.
*
* @return String The current version
* @public
* @static
*/
Shadowbox.getVersion = function(){
return version;
};
/**
* Returns an object containing information about the current client
* configuration.
*
* @return Object The object containing client data
* @public
* @static
*/
Shadowbox.getClient = function(){
return client;
};
/**
* Returns the current content object in use.
*
* @return Object The current content object
* @public
* @static
*/
Shadowbox.getContent = function(){
return content;
};
/**
* Gets the current dimensions of Shadowbox as calculated by
* setDimensions().
*
* @return Object The current dimensions of Shadowbox
* @public
* @static
*/
Shadowbox.getDimensions = function(){
return dims;
};
/**
* Handles all Shadowbox exceptions (errors). Calls the exception
* handler callback if one is present (see handleException option) or
* throws a new exception.
*
* @param String e The error message
* @return void
* @public
* @static
*/
Shadowbox.raise = function(e){
if(typeof options.handleException == 'function'){
options.handleException(e);
}else{
throw e;
}
};
})();