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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.
*
* You should have received a license with this distribution explaining the terms
* under which Shadowbox may be used. If you did not, you may obtain a copy of the
* license at http://shadowbox-js.com/LICENSE
*
* @author Michael J. I. Jackson <michael@mjijackson.com>
* @copyright 2007-2009 Michael J. I. Jackson
* @version SVN: $Id: shadowbox.js 20M 2009-04-29 04:26:23Z (local) $
*/
/**
* The Shadowbox class. Used to display different media on a web page using a
* Lightbox-like effect.
*
* Known issues:
*
* - Location.toString exception in FF3 when loading Flash content into an
* iframe (such as a YouTube video). Known Flash bug, will not be fixed.
* http://bugs.adobe.com/jira/browse/FP-561
*
* 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
* - http://www.alistapart.com/articles/flashembedcagematch
*/
var Shadowbox = function(){
var ua = navigator.userAgent.toLowerCase(),
// the Shadowbox object
S = {
/**
* The current version of Shadowbox.
*
* @var String
* @public
*/
version: "3.0b",
/**
* The name of the adapter currently being used.
*
* @var String
* @public
*/
adapter: null,
/**
* The array index of the current gallery that is currently being viewed.
*
* @var Number
* @public
*/
current: -1,
/**
* An array containing the gallery objects currently being viewed. In the
* case of non-gallery items, this will only hold one object.
*
* @var Array
* @public
*/
gallery: [],
/**
* A cache of options for links that have been set up for use with
* Shadowbox.
*
* @var Array
* @public
*/
cache: [],
/**
* The current content object.
*
* @var Object
* @public
*/
content: null,
/**
* Holds the current dimensions of Shadowbox as calculated by its skin.
* Contains the following properties:
*
* - height: The total height of #sb-wrapper (including title & info bars)
* - width: The total width of #sb-wrapper
* - inner_h: The height of #sb-body
* - inner_w: The width of #sb-body
* - top: The top to use for #sb-wrapper
* - left: The left to use for #sb-wrapper
* - oversized: True if the content is oversized (too large for the viewport)
* - resize_h: The height to use for resizable content
* - resize_w: The width to use for resizable content
*
* @var Object
* @public
*/
dimensions: null,
/**
* 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
* @public
*/
plugins: null,
/**
* Contains the base path of the Shadowbox script.
*
* Note: This property will automatically be populated in Shadowbox.load.
*
* @var String
* @public
*/
path: '',
/**
* Contains the default options for Shadowbox.
*
* @var Object
* @public
*/
options: {
adapter: null, // the library adapter to use
animate: true, // enable all animations, except for fades
animateFade: true, // enable fade animations
autoplayMovies: true, // automatically play movies
autoDimensions: false, // use the dimensions of the first piece as
// the initial dimensions (if they are
// available)
continuous: false, // enables continuous galleries. When enabled,
// user will be able to skip to the first
// gallery item from the last using next and
// vice versa
counterLimit: 10, // limit to the number of counter links that
// are displayed in a "skip" style counter
counterType: 'default', // counter type. May be either "default" or
// "skip". Skip counter displays a link for
// each item in gallery
displayCounter: true, // display the gallery counter
displayNav: true, // show the navigation controls
/**
* 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
*/
ease: function(x){
return 1 + Math.pow(x - 1, 3);
},
enableKeys: true, // enable keyboard navigation
/**
* An object containing names of plugins and links to their respective
* download pages.
*/
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.
*/
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', 'jsp',
'pl', 'php', 'php3', 'php4', 'php5', 'phtml', 'rb', 'rhtml',
'shtml', 'txt', 'vbs']
},
fadeDuration: 0.35, // duration of the fading animations (seconds)
/**
* Parameters to pass to flash <object>'s.
*/
flashParams: {
bgcolor: '#000000',
allowFullScreen: true
},
flashVars: {}, // flash vars
flashVersion: '9.0.115', // minimum required flash version suggested
// by JW FLV player
/**
* 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.
*/
handleOversize: 'resize',
/**
* 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.
*/
handleUnsupported: 'link',
initialHeight: 160, // initial height (pixels)
initialWidth: 320, // initial width (pixels)
language: 'en', // the language to use
modal: false, // trigger Shadowbox.close() when overlay is
// clicked
onChange: null, // hook function to be fired when changing
// from one item to the next. Is passed the
// item that is about to be displayed
onClose: null, // hook function to be fired when closing.
// is passed the most recent item
onFinish: null, // hook function to be fired when finished
// loading content. Is passed current
// gallery item
onOpen: null, // hook function to be fired when opening.
// is passed the current gallery item
overlayColor: '#000', // color to use for modal overlay
overlayOpacity: 0.8, // opacity to use for modal overlay
players: ['img'], // the players to load
resizeDuration: 0.35, // duration of resizing animations (seconds)
showOverlay: true, // show the overlay
showMovieControls: true, // enable movie controls on movie players
skipSetup: false, // skip calling Shadowbox.setup() during
// shadowbox.init()
slideshowDelay: 0, // delay to use for slideshows (seconds). If
// set to any duration other than 0, is interval
// at which slideshow will advance
useSizzle: true, // use sizzle.js to support css selectors
viewportPadding: 20 // amount of padding to maintain around the
// edge of the viewport at all times (pixels)
},
/**
* Some simple browser detection variables.
*
* @var Object
* @public
*/
client: {
isIE: ua.indexOf('msie') > -1,
isIE6: ua.indexOf('msie 6') > -1,
isIE7: ua.indexOf('msie 7') > -1,
isGecko: ua.indexOf('gecko') > -1 && ua.indexOf('safari') == -1,
isWebkit: ua.indexOf('applewebkit/') > -1,
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
},
/**
* An object containing some regular expressions we'll need later. Compiled
* up front for speed.
*
* @var Object
* @public
*/
regex: {
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
},
/**
* A map of library object names to their corresponding Shadowbox adapter
* names.
*
* @var Object
* @public
*/
libraries: {
Prototype: 'prototype',
jQuery: 'jquery',
MooTools: 'mootools',
YAHOO: 'yui',
dojo: 'dojo',
Ext: 'ext'
},
/**
* 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
*/
applyOptions: function(opts){
if(opts){
// store defaults, use apply to break reference
default_options = apply({}, S.options);
apply(S.options, 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 object's title
* - player: the player to use for the object
* - content: the object's URL
* - gallery: the gallery the object belongs to (optional)
* - height: the height of the object (only necessary for movies)
* - width: the width of the object (only necessary for movies)
* - options: custom options to use (optional)
*
* A custom set of options may be passed in here that will be applied when
* this object is displayed. However, any options that are specified in
* the link's HTML markup will trump options given here.
*
* @param HTMLElement link The link element to process
* @param Object opts A set of options to use for the object
* @return Object An object representing the link
* @public
*/
buildCacheObj: function(link, opts){
var href = link.href, // don't use getAttribute() here
obj = {
el: link,
title: link.getAttribute('title'),
options: apply({}, opts || {}),
content: href
};
// remove link-level options from top-level options
each(['player', 'title', 'height', 'width', 'gallery'], function(o){
if(typeof obj.options[o] != 'undefined'){
obj[o] = obj.options[o];
delete obj.options[o];
}
});
if(!obj.player)
obj.player = getPlayer(href);
// 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 m = rel.match(S.regex.gallery);
if(m)
obj.gallery = escape(m[2]);
// other parameters
each(rel.split(';'), function(p){
m = p.match(S.regex.param);
if(m){
if(m[1] == 'options')
eval('apply(obj.options,' + m[2] + ')');
else
obj[m[1]] = m[2];
}
});
}
return obj;
},
/**
* Jumps to the piece in the current gallery with the given index.
*
* @param Number n The gallery index to view
* @return void
* @public
*/
change: function(n){
if(!S.gallery) return; // no current gallery
if(!S.gallery[n]){ // index does not exist
if(!S.options.continuous){
return;
}else{
n = n < 0 ? S.gallery.length - 1 : 0; // loop
}
}
// update current
S.current = n;
if(typeof slide_timer == 'number'){
clearTimeout(slide_timer);
slide_timer = null;
slide_delay = slide_start = 0; // reset slideshow variables
}
if(S.options.onChange)
S.options.onChange();
loadContent();
},
/**
* Removes all onclick listeners from elements that have been setup with
* Shadowbox and clears all objects from cache.
*
* @return void
* @public
*/
clearCache: function(){
each(S.cache, function(obj){
if(obj.el)
S.lib.removeEvent(obj.el, 'click', handleClick);
});
S.cache = [];
},
/**
* Deactivates Shadowbox.
*
* @return void
* @public
*/
close: function(){
if(!active) return; // already closed
active = false;
listenKeys(false);
// remove the content
if(S.content){
S.content.remove();
S.content = null;
}
// clear slideshow variables
if(typeof slide_timer == 'number')
clearTimeout(slide_timer);
slide_timer = null;
slide_delay = 0;
if(S.options.onClose)
S.options.onClose();
S.skin.onClose();
S.revertOptions();
// reset troublesome elements to stored visibility settings
each(v_cache, function(c){
c[0].style.visibility = c[1];
});
},
/**
* Gets the id that should be used for content elements.
*
* @return String The content element id
* @public
*/
contentId: function(){
return content_id;
},
/**
* Gets the values that should appear in the counter (if the skin
* supports counters). If a "skip" style counter is used, the return
* value should be an array of all counter indexes that should be
* displayed. If the "default" counter is used, the return value will
* be a simple "1 of 5" message as a string. The skin can use the return
* type to determine how to build the counter.
*
* @return mixed The counter as described above
* @public
*/
getCounter: function(){
var len = S.gallery.length;
if(S.options.counterType == 'skip'){
// limit the counter?
var c = [],
i = 0,
end = len,
limit = parseInt(S.options.counterLimit) || 0;
if(limit < len && limit > 2){ // support large galleries
var h = Math.floor(limit / 2);
i = S.current - h;
if(i < 0) i += len;
end = S.current + (limit - h);
if(end > len) end -= len;
}
while(i != end){
if(i == len) i = 0;
c.push(i++);
}
}else
var c = (S.current + 1) + ' ' + S.lang.of + ' ' + len;
return c;
},
/**
* Gets the current gallery object.
*
* @return Object The current gallery item
* @public
*/
getCurrent: function(){
return S.current > -1 ? S.gallery[S.current] : null;
},
/**
* Determines if there is a next piece to display in the current
* gallery.
*
* @return Boolean True if there is another piece
* @public
*/
hasNext: function(){
return S.gallery.length > 1 &&
(S.current != S.gallery.length - 1 || S.options.continuous);
},
/**
* Initializes the Shadowbox environment. Should be called by the user in
* the <head> of the HTML document.
*
* Note: This function attempts to load all Shadowbox dependencies
* dynamically using document.write. However, if these dependencies are
* already included, they won't be loaded again.
*
* @param Object opts (optional) The default options to use
* @return void
* @public
*/
init: function(opts){
if(initialized) return; // don't initialize twice
initialized = true;
opts = opts || {};
init_options = opts;
// apply options
if(opts)
apply(S.options, opts);
// compile file type regular expressions here for speed
for(var e in S.options.ext)
S.regex[e] = new RegExp('\.(' + S.options.ext[e].join('|') + ')\s*$', 'i');
if(!S.path){
// determine script path automatically
var path_re = /(.+)shadowbox\.js/i, path;
each(document.getElementsByTagName('script'), function(s){
if((path = path_re.exec(s.src)) != null){
S.path = path[1];
return false;
}
});
}
// determine adapter
if(S.options.adapter)
S.adapter = S.options.adapter;
else{
for(var lib in S.libraries){
if(typeof window[lib] != 'undefined'){
S.adapter = S.libraries[lib];
break;
}
}
if(!S.adapter)
S.adapter = 'base';
}
// load dependencies
if(S.options.useSizzle && !window['Sizzle'])
U.include(S.path + 'libraries/sizzle/sizzle.js');
if(!S.lang)
U.include(S.path + 'languages/shadowbox-' + S.options.language + '.js');
each(S.options.players, function(p){
if((p == 'swf' || p == 'flv') && !window['swfobject'])
U.include(S.path + 'libraries/swfobject/swfobject.js');
if(!S[p])
U.include(S.path + 'players/shadowbox-' + p + '.js');
});
if(!S.lib)
U.include(S.path + 'adapters/shadowbox-' + S.adapter + '.js');
},
/**
* Tells whether or not Shadowbox is currently activated.
*
* @return Boolean True if activated, false otherwise
* @public
*/
isActive: function(){
return active;
},
/**
* Tells whether or not Shadowbox is currently in the middle of a
* slideshow in a paused state.
*
* @return Boolean True if paused, false otherwise
* @public
*/
isPaused: function(){
return slide_timer == 'paused';
},
/**
* Loads Shadowbox into the DOM. Is called automatically by each adapter
* as soon as the DOM is ready.
*
* @return void
* @public
*/
load: function(){
// apply skin options, re-apply user init options in case they overwrite
if(S.skin.options){
apply(S.options, S.skin.options);
apply(S.options, init_options);
}
// append markup and initialize skin
var markup = S.skin.markup.replace(/\{(\w+)\}/g, function(m, p){
return S.lang[p];
});
S.lib.append(document.body, markup);
if(S.skin.init)
S.skin.init();
// set up window resize event handler
var id;
S.lib.addEvent(window, 'resize', function(){
// use 50 ms event buffering to prevent jerky window resizing
if(id){
clearTimeout(id);
id = null;
}
// check if activated because IE7 fires window resize event
// when container display is set to block
if(active){
id = setTimeout(function(){
if(S.skin.onWindowResize)
S.skin.onWindowResize();
var c = S.content;
if(c && c.onWindowResize)
c.onWindowResize();
}, 50);
}
});
if(!S.options.skipSetup)
S.setup();
},
/**
* Jumps to the next piece in the gallery.
*
* @return void
* @public
*/
next: function(){
S.change(S.current + 1);
},
/**
* 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
*/
open: function(obj){
// if it's a link element, build an object on the fly
if(U.isLink(obj))
obj = S.buildCacheObj(obj);
// set up the gallery
if(obj.constructor == Array){
S.gallery = obj;
S.current = 0;
}else{
if(!obj.gallery){
// single item, no gallery
S.gallery = [obj];
S.current = 0;
}else{
// gallery item, build gallery from cached gallery elements
S.current = null;
S.gallery = [];
each(S.cache, function(c){
if(c.gallery && c.gallery == obj.gallery){
if(S.current == null && c.content == obj.content && c.title == obj.title)
S.current = S.gallery.length;
S.gallery.push(c);
}
});
// if not found in cache, prepend to front of gallery
if(S.current == null){
S.gallery.unshift(obj);
S.current = 0;
}
}
}
obj = S.getCurrent();
if(obj.options){
S.revertOptions();
S.applyOptions(obj.options);
}
// filter gallery for unsupported elements
var g, r, m, s, a, oe = S.options.errors, msg, el;
for(var i = 0; i < S.gallery.length; ++i){
// use apply to break the reference to the original object here
// because we'll be modifying the properties of the gallery objects
// directly and we don't want to taint them in case they are used
// again in a future call
g = S.gallery[i] = apply({}, S.gallery[i]);
r = false; // remove the element?
if(g.player == 'unsupported'){
// don't support this at all
r = true;
}else if(m = S.regex.unsupported.exec(g.player)){
// handle unsupported elements
if(S.options.handleUnsupported == 'link'){
g.player = 'html';
// generate a link to the appropriate plugin download page(s)
switch(m[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(m[1] == 'swf' || m[1] == 'flv') m[1] = 'fla';
a = [oe[m[1]].url, oe[m[1]].name];
}
msg = S.lang.errors[s].replace(/\{(\d+)\}/g, function(m, n){
return a[n];
});
g.content = '<div class="sb-message">' + msg + '</div>';
}else
r = true;
}else if(g.player == 'inline'){
// inline element, retrieve innerHTML
m = S.regex.inline.exec(g.content);
if(m){
var el = U.get(m[1]);
if(el)
g.content = el.innerHTML;
else
throw 'Cannot find element with id ' + m[1];
}else
throw 'Cannot find element id for inline content';
}else if(g.player == 'swf' || g.player == 'flv'){
var version = (g.options && g.options.flashVersion) || S.options.flashVersion;
if(!swfobject.hasFlashPlayerVersion(version)){
// express install will be triggered because the client
// does not have the minimum required version of flash
// installed, set height and width to those of express
// install swf
g.width = 310;
// minimum height is 127, but +20 pixels on top and bottom
// looks better
g.height = 177;
}
}
if(r){
S.gallery.splice(i, 1); // remove from gallery
if(i < S.current)
--S.current; // maintain integrity of S.current
else if(i == S.current)
S.current = i > 0 ? i - 1 : i; // look for supported neighbor
--i; // decrement index for next loop
}
}
// anything left to display?
if(S.gallery.length){
if(!active){
// fire onOpen hook
if(typeof S.options.onOpen == 'function' && S.options.onOpen(obj) === false) return;
// hide elements troublesome for modal overlays
v_cache = [];
each(['select', 'object', 'embed', 'canvas'], function(tag){
each(document.getElementsByTagName(tag), function(el){
v_cache.push([el, el.style.visibility || 'visible']);
el.style.visibility = 'hidden';
});
});
// set initial dimensions & load
var h = S.options.autoDimensions && 'height' in obj
? obj.height
: S.options.initialHeight;
var w = S.options.autoDimensions && 'width' in obj
? obj.width
: S.options.initialWidth;
S.skin.onOpen(h, w, loadContent);
}else
loadContent();
active = true;
}
},
/**
* Pauses the current slideshow.
*
* @return void
* @public
*/
pause: function(){
if(typeof slide_timer != 'number') return;
var time = new Date().getTime();
slide_delay = Math.max(0, slide_delay - (time - slide_start));
// if there's any time left on current slide, pause the timer
if(slide_delay){
clearTimeout(slide_timer);
slide_timer = 'paused';
if(S.skin.onPause)
S.skin.onPause();
}
},
/**
* Sets the timer for the next image in the slideshow to be displayed.
*
* @return void
* @public
*/
play: function(){
if(!S.hasNext()) return;
if(!slide_delay) slide_delay = S.options.slideshowDelay * 1000;
if(slide_delay){
slide_start = new Date().getTime();
slide_timer = setTimeout(function(){
slide_delay = slide_start = 0; // reset slideshow
S.next();
}, slide_delay);
if(S.skin.onPlay)
S.skin.onPlay();
}
},
/**
* Jumps to the previous piece in the gallery.
*
* @return void
* @public
*/
previous: function(){
S.change(S.current - 1);
},
/**
* Reverts Shadowbox' options to the last default set in use before
* Shadowbox.applyOptions() was called.
*
* @return void
* @public
*/
revertOptions: function(){
apply(S.options, default_options);
},
/**
* Calculates the dimensions for Shadowbox according to the given
* parameters. Will determine if content is oversized (too large for the
* viewport) and will automatically constrain resizable content
* according to user preference.
*
* @param Number height The content height
* @param Number width The content width
* @param Number max_h The maximum height available (should
* be the height of the viewport)
* @param Number max_w The maximum width available (should
* be the width of the viewport)
* @param Number tb The extra top/bottom pixels that are
* required for borders/toolbars
* @param Number lr The extra left/right pixels that are
* required for borders/toolbars
* @param Boolean resizable True if the content is able to be
* resized. Defaults to false
* @return Object The Shadowbox.dimensions object
* @public
*/
setDimensions: function(height, width, max_h, max_w, tb, lr, resizable){
var h = height = parseInt(height),
w = width = parseInt(width),
pad = parseInt(S.options.viewportPadding) || 0;
// calculate the max height/width
var extra_h = 2 * pad + tb;
if(h + extra_h >= max_h) h = max_h - extra_h;
var extra_w = 2 * pad + lr;
if(w + extra_w >= max_w) w = max_w - extra_w;
// handle oversized content
var resize_h = height,
resize_w = width,
change_h = (height - h) / height,
change_w = (width - w) / width,
oversized = (change_h > 0 || change_w > 0);
if(resizable && oversized && S.options.handleOversize == 'resize'){
// adjust resized height/width, preserve original aspect ratio
if(change_h > change_w)
w = Math.round((width / height) * h);
else if(change_w > change_h)
h = Math.round((height / width) * w);
resize_w = w;
resize_h = h;
}
// update Shadowbox.dimensions
S.dimensions = {
height: h + tb,
width: w + lr,
inner_h: h,
inner_w: w,
top: (max_h - (h + extra_h)) / 2 + pad,
left: (max_w - (w + extra_w)) / 2 + pad,
oversized: oversized,
resize_h: resize_h,
resize_w: resize_w
};
return S.dimensions;
},
/**
* 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. It is important to note that any
* options given here will be applied to all link elements. Multiple calls
* to this method may be needed if different options are desired.
*
* 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
*/
setup: function(links, opts){
// get links if none specified
if(!links){
var links = [], rel;
each(document.getElementsByTagName('a'), function(a){
rel = a.getAttribute('rel');
if(rel && S.regex.rel.test(rel)) links.push(a);
});
}else{
var len = links.length;
if(len){
if(window['Sizzle']){
if(typeof links == 'string')
links = Sizzle(links); // lone selector
else if(len == 2 && links.push && typeof links[0] == 'string' && links[1].nodeType)
links = Sizzle(links[0], links[1]); // selector + context
}
}else
links = [links]; // single link
}
each(links, function(link){
if(typeof link.shadowboxCacheKey == 'undefined'){
// assign cache key expando, use integer primitive to avoid
// memory leak in IE
link.shadowboxCacheKey = S.cache.length;
// add onclick listener
S.lib.addEvent(link, 'click', handleClick);
}
S.cache[link.shadowboxCacheKey] = S.buildCacheObj(link, opts);
});
}
},
U = S.util = {
/**
* 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 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
* @public
*/
animate: function(el, p, to, d, cb){
var from = parseFloat(S.lib.getStyle(el, p));
if(isNaN(from)) from = 0;
var delta = to - from;
if(delta == 0){
if(cb) cb();
return; // nothing to animate
}
var op = p == 'opacity';
function fn(ease){
var to = from + ease * delta;
if(op)
U.setOpacity(el, to);
else
el.style[p] = to + 'px'; // default unit is px
}
// cancel the animation here if duration is 0 or if set in the options
if(!d || (!op && !S.options.animate) || (op && !S.options.animateFade)){
fn(1);
if(cb) cb();
return;
}
d *= 1000; // convert to milliseconds
var begin = new Date().getTime(),
end = begin + d,
time,
timer = setInterval(function(){
time = new Date().getTime();
if(time >= end){ // end of animation
clearInterval(timer);
fn(1);
if(cb) cb();
}else
fn(S.options.ease((time - begin) / d));
}, 10); // 10 ms interval is minimum on webkit
},
/**
* 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
* @public
*/
apply: function(o, e){
for(var p in e)
o[p] = e[p];
return o;
},
/**
* 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 element
* @return void
* @public
*/
clearOpacity: function(el){
var s = el.style;
if(window.ActiveXObject){
// be careful not to overwrite other filters!
if(typeof s.filter == 'string' && (/alpha/i).test(s.filter))
s.filter = s.filter.replace(/[\w\.]*alpha\(.*?\);?/i, '');
}else
s.opacity = '';
},
/**
* Calls the given function for each element of obj. The obj element must
* be array-like (meaning it must have a length property and be able to
* be accessed using the array square bracket syntax). If scope is not
* explicitly given, the callback will be called with a scope of the
* current item. Will stop execution if a callback returns false.
*
* @param mixed obj An array-like object containing the
* elements
* @param Function fn The callback function
* @param mixed scope The scope of the callback
* @return void
* @public
*/
each: function(obj, fn, scope){
for(var i = 0, len = obj.length; i < len; ++i)
if(fn.call(scope || obj[i], obj[i], i, obj) === false) return;
},
/**
* Gets an element by its id.
*
* @param String id The element id
* @return HTMLElement A reference to the element with the
* given id
* @public
*/
get: function(id){
return document.getElementById(id);
},
/**
* Dynamically includes a JavaScript file in the current page.
*
* @param String file The name of the js file to include
* @return void
* @public
*/
include: function(){
var includes = {};
return function(file){
if(includes[file]) return; // don't include same file twice
includes[file] = true;
document.write('<scr' + 'ipt type="text/javascript" src="' + file + '"><\/script>');
}
}(),
/**
* Determines if the given object is an anchor/area element.
*
* @param mixed obj The object to check
* @return Boolean True if the object is a link element
* @public
*/
isLink: function(obj){
if(!obj || !obj.tagName) return false;
var up = obj.tagName.toUpperCase();
return up == 'A' || up == 'AREA';
},
/**
* Removes all child nodes from the given element.
*
* @param HTMLElement el The element
* @return void
* @public
*/
removeChildren: function(el){
while(el.firstChild)
el.removeChild(el.firstChild);
},
/**
* Sets the opacity of the given element to the specified level.
*
* @param HTMLElement el The element
* @param Number o The opacity to use
* @return void
* @public
*/
setOpacity: function(el, o){
var s = el.style;
if(window.ActiveXObject){
s.zoom = 1; // trigger hasLayout
s.filter = (s.filter || '').replace(/\s*alpha\([^\)]*\)/gi, '') +
(o == 1 ? '' : ' alpha(opacity=' + (o * 100) + ')');
}else
s.opacity = o;
}
},
// shorthand
apply = U.apply,
each = U.each,
/**
* The initial options object that was given by the user.
*
* @var Object
* @private
*/
init_options,
/**
* Keeps track of whether or not Shadowbox.init has been called.
*
* @var Boolean
* @private
*/
initialized = false,
/**
* 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
*/
default_options = {},
/**
* The id to use for content objects.
*
* @var String
* @private
*/
content_id = 'sb-content',
/**
* Keeps track of whether or not Shadowbox is activated.
*
* @var Boolean
* @private
*/
active = false,
/**
* The timeout id for the slideshow transition function.
*
* @var Number
* @private
*/
slide_timer,
/**
* Keeps track of the time at which the current slideshow frame was
* displayed.
*
* @var Number
* @private
*/
slide_start,
/**
* The delay on which the next slide will display.
*
* @var Number
* @private
*/
slide_delay = 0,
/**
* A cache for elements that are troublesome for modal overlays.
*
* @var Array
* @private
*/
v_cache = [];
// detect plugin support
if(navigator.plugins && navigator.plugins.length){
var names = [];
each(navigator.plugins, function(p){
names.push(p.name);
});
names = names.join();
var detectPlugin = function(n){
return names.indexOf(n) > -1;
}
var f4m = detectPlugin('Flip4Mac');
S.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{
function detectPlugin(n){
try{
var axo = new ActiveXObject(n);
}catch(e){}
return !!axo;
}
S.plugins = {
fla: detectPlugin('ShockwaveFlash.ShockwaveFlash'),
qt: detectPlugin('QuickTime.QuickTime'),
wmp: detectPlugin('wmplayer.ocx'),
f4m: false
}
}
/**
* 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
*/
function getPlayer(url){
var re = S.regex,
p = S.plugins,
m = url.match(re.domain),
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 p.fla ? 'swf' : 'unsupported-swf';
if(re.flv.test(url)) return p.fla ? 'flv' : 'unsupported-flv';
if(re.qt.test(url)) return p.qt ? 'qt' : 'unsupported-qt';
if(re.wmp.test(url)){
if(p.wmp) return 'wmp';
if(p.f4m) return 'qt';
if(S.client.isMac) return p.qt ? 'unsupported-f4m' : 'unsupported-qtf4m';
return 'unsupported-wmp';
}
if(re.qtwmp.test(url)){
if(p.qt) return 'qt';
if(p.wmp) return 'wmp';
return S.client.isMac ? 'unsupported-qt' : 'unsupported-qtwmp';
}
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 HTMLEvent e The click event object
* @return void
* @private
*/
function handleClick(e){
// get anchor/area element
var link;
if(U.isLink(this)){
link = this; // jQuery, Prototype, YUI
}else{
link = S.lib.getTarget(e); // Ext, standalone
while(!U.isLink(link) && link.parentNode)
link = link.parentNode;
}
//S.lib.preventDefault(e); // good for debugging
if(link){
// if this link has already been set up, use the cached version
var key = link.shadowboxCacheKey;
if(typeof key != 'undefined' && typeof S.cache[key] != 'undefined')
link = S.cache[key];
S.open(link);
if(S.gallery.length) S.lib.preventDefault(e); // stop event
}
}
/**
* 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
*/
function listenKeys(on){
if(!S.options.enableKeys) return;
S.lib[(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
*/
function handleKey(e){
var code = S.lib.keyCode(e);
// attempt to prevent default key action
S.lib.preventDefault(e);
switch(code){
case 81: // q
case 88: // x
case 27: // esc
S.close();
break;
case 37: // left
S.previous();
break;
case 39: // right
S.next();
break;
case 32: // space
S[(typeof slide_timer == 'number' ? 'pause' : 'play')]();
}
}
/**
* Loads the Shadowbox with the current piece.
*
* @return void
* @private
*/
function loadContent(){
var obj = S.getCurrent();
if(!obj) return;
// determine player, inline is really just HTML
var p = obj.player == 'inline' ? 'html' : obj.player;
if(typeof S[p] != 'function')
throw 'Unknown player: ' + p;
var change = false;
if(S.content){
// changing from some previous content
S.content.remove(); // remove old content
change = true;
S.revertOptions();
if(obj.options)
S.applyOptions(obj.options);
}
// make sure the body element doesn't have any children, just in case
U.removeChildren(S.skin.bodyEl());
// load the content
S.content = new S[p](obj);
listenKeys(false); // disable the keyboard while content is loading
S.skin.onLoad(S.content, change, function(){
if(!S.content) return;
if(typeof S.content.ready != 'undefined'){
// if content object has a ready property, wait for it to be
// ready before loading
var id = setInterval(function(){
if(S.content){
if(S.content.ready){
clearInterval(id);
id = null;
S.skin.onReady(contentReady);
}
}else{ // content has been removed
clearInterval(id);
id = null;
}
}, 100);
}else
S.skin.onReady(contentReady);
});
// preload neighboring gallery images
if(S.gallery.length > 1){
var next = S.gallery[S.current + 1] || S.gallery[0];
if(next.player == 'img'){
var a = new Image();
a.src = next.content;
}
var prev = S.gallery[S.current - 1] || S.gallery[S.gallery.length - 1];
if(prev.player == 'img'){
var b = new Image();
b.src = prev.content;
}
}
}
/**
* Callback that should be called with the content is ready to be loaded.
*
* @return void
* @private
*/
function contentReady(){
if(!S.content) return;
S.content.append(S.skin.bodyEl(), content_id, S.dimensions);
S.skin.onFinish(finishContent);
}
/**
* Callback that should be called when the content is finished loading.
*
* @return void
* @private
*/
function finishContent(){
if(!S.content) return;
if(S.content.onLoad)
S.content.onLoad();
if(S.options.onFinish)
S.options.onFinish();
if(!S.isPaused())
S.play(); // kick off next slide
listenKeys(true); // re-enable keyboard when finished
}
return S;
}();
/**
* The default skin for Shadowbox. Separated out into its own class so that it may
* be customized more easily by skin developers.
*/
Shadowbox.skin = function(){
var S = Shadowbox,
U = S.util,
/**
* Keeps track of whether or not the overlay is activated.
*
* @var Boolean
* @private
*/
overlay_on = false,
/**
* Id's of elements that need transparent PNG support in IE6.
*
* @var Array
* @private
*/
png = [
'sb-nav-close',
'sb-nav-next',
'sb-nav-play',
'sb-nav-pause',
'sb-nav-previous'
];
/**
* 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
*/
function fixTop(){
U.get('sb-container').style.top = document.documentElement.scrollTop + 'px';
}
/**
* Toggles the visibility of #sb-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
*/
function toggleVisible(cb){
var so = U.get('sb-overlay'),
sc = U.get('sb-container'),
sb = U.get('sb-wrapper');
if(cb){
if(S.client.isIE6){
// fix container top before showing
fixTop();
S.lib.addEvent(window, 'scroll', fixTop);
}
if(S.options.showOverlay){
overlay_on = true;
// set overlay color/opacity
so.style.backgroundColor = S.options.overlayColor;
U.setOpacity(so, 0);
if(!S.options.modal) S.lib.addEvent(so, 'click', S.close);
sb.style.display = 'none'; // cleared in onLoad
}
sc.style.visibility = 'visible';
if(overlay_on){
// fade in effect
var op = parseFloat(S.options.overlayOpacity);
U.animate(so, 'opacity', op, S.options.fadeDuration, cb);
}else
cb();
}else{
if(S.client.isIE6)
S.lib.removeEvent(window, 'scroll', fixTop);
S.lib.removeEvent(so, 'click', S.close);
if(overlay_on){
// fade out effect
sb.style.display = 'none';
U.animate(so, 'opacity', 0, S.options.fadeDuration, function(){
// the following is commented because it causes the overlay to
// be hidden on consecutive activations in IE8, even though we
// set the visibility to "visible" when we reactivate
//sc.style.visibility = 'hidden';
sc.style.display = '';
sb.style.display = '';
U.clearOpacity(so);
});
}else
sc.style.visibility = 'hidden';
}
}
/**
* 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
*/
function toggleNav(id, on){
var el = U.get('sb-nav-' + id);
if(el) el.style.display = on ? '' : 'none';
}
/**
* 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
*/
function toggleLoading(on, cb){
var ld = U.get('sb-loading'),
p = S.getCurrent().player,
anim = (p == 'img' || p == 'html'); // fade on images & html
if(on){
function fn(){
U.clearOpacity(ld);
if(cb) cb();
}
U.setOpacity(ld, 0);
ld.style.display = '';
if(anim)
U.animate(ld, 'opacity', 1, S.options.fadeDuration, fn);
else
fn();
}else{
function fn(){
ld.style.display = 'none';
U.clearOpacity(ld);
if(cb) cb();
}
if(anim)
U.animate(ld, 'opacity', 0, S.options.fadeDuration, fn);
else
fn();
}
}
/**
* 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
*/
function buildBars(cb){
var obj = S.getCurrent();
// build the title, if present
U.get('sb-title-inner').innerHTML = obj.title || '';
// build the nav
var c, n, pl, pa, p;
if(S.options.displayNav){
c = true;
// next & previous links
var len = S.gallery.length;
if(len > 1){
if(S.options.continuous)
n = p = true; // show both
else{
n = (len - 1) > S.current; // not last in gallery, show next
p = S.current > 0; // not first in gallery, show previous
}
}
// in a slideshow?
if(S.options.slideshowDelay > 0 && S.hasNext()){
pa = !S.isPaused();
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 c = '';
if(S.options.displayCounter && S.gallery.length > 1){
var count = S.getCounter();
if(typeof count == 'string') // default
c = count;
else{
U.each(count, function(i){
c += '<a onclick="Shadowbox.change(' + i + ');"'
if(i == S.current) c += ' class="sb-counter-current"';
c += '>' + (i + 1) + '</a>';
});
}
}
U.get('sb-counter').innerHTML = c;
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
*/
function hideBars(anim, cb){
var sw = U.get('sb-wrapper'),
st = U.get('sb-title'),
si = U.get('sb-info'),
ti = U.get('sb-title-inner'),
ii = U.get('sb-info-inner'),
t = parseInt(S.lib.getStyle(ti, 'height')) || 0,
b = parseInt(S.lib.getStyle(ii, 'height')) || 0;
function fn(){
// hide bars here in case of overflow, build after hidden
ti.style.visibility = ii.style.visibility = 'hidden';
buildBars(cb);
}
if(anim){
U.animate(st, 'height', 0, 0.35);
U.animate(si, 'height', 0, 0.35);
U.animate(sw, 'paddingTop', t, 0.35);
U.animate(sw, 'paddingBottom', b, 0.35, fn);
}else{
st.style.height = si.style.height = '0px';
sw.style.paddingTop = t + 'px';
sw.style.paddingBottom = b + 'px';
fn();
}
}
/**
* Shows the title and info bars.
*
* @param Function cb A callback function to execute after the
* animation completes
* @return void
* @private
*/
function showBars(cb){
var sw = U.get('sb-wrapper'),
st = U.get('sb-title'),
si = U.get('sb-info'),
ti = U.get('sb-title-inner'),
ii = U.get('sb-info-inner'),
t = parseInt(S.lib.getStyle(ti, 'height')) || 0,
b = parseInt(S.lib.getStyle(ii, 'height')) || 0;
// clear visibility before animating into view
ti.style.visibility = ii.style.visibility = '';
// show title?
if(ti.innerHTML != ''){
U.animate(st, 'height', t, 0.35);
U.animate(sw, 'paddingTop', 0, 0.35);
}
U.animate(si, 'height', b, 0.35);
U.animate(sw, 'paddingBottom', 0, 0.35, cb);
}
/**
* Adjusts the height of #sb-body and centers #sb-wrapper vertically
* in the viewport.
*
* @param Number height The height to use for #sb-body
* @param Number top The top to use for #sb-wrapper
* @param Boolean anim True to animate the transition
* @param Function cb A callback to use when the animation
* completes
* @return void
* @private
*/
function adjustHeight(height, top, anim, cb){
var sb = U.get('sb-body'),
s = U.get('sb-wrapper'),
h = parseInt(height),
t = parseInt(top);
if(anim){
U.animate(sb, 'height', h, S.options.resizeDuration);
U.animate(s, 'top', t, S.options.resizeDuration, cb);
}else{
sb.style.height = h + 'px';
s.style.top = t + 'px';
if(cb) cb();
}
}
/**
* Adjusts the width and left of #sb-wrapper.
*
* @param Number width The width to use for #sb-wrapper
* @param Number left The left to use for #sb-wrapper
* @param Boolean anim True to animate the transition
* @param Function cb A callback to use when the animation
* completes
* @return void
* @private
*/
function adjustWidth(width, left, anim, cb){
var s = U.get('sb-wrapper'),
w = parseInt(width),
l = parseInt(left);
if(anim){
U.animate(s, 'width', w, S.options.resizeDuration);
U.animate(s, 'left', l, S.options.resizeDuration, cb);
}else{
s.style.width = w + 'px';
s.style.left = l + 'px';
if(cb) cb();
}
}
/**
* Resizes Shadowbox to the appropriate height and width for the current
* content.
*
* @param Function cb A callback function to execute after the
* resize completes
* @return void
* @private
*/
function resizeContent(cb){
var c = S.content;
if(!c) return;
// set new dimensions
var d = setDimensions(c.height, c.width, c.resizable);
switch(S.options.animSequence){
case 'hw':
adjustHeight(d.inner_h, d.top, true, function(){
adjustWidth(d.width, d.left, true, cb);
});
break;
case 'wh':
adjustWidth(d.width, d.left, true, function(){
adjustHeight(d.inner_h, d.top, true, cb);
});
break;
default: // sync
adjustWidth(d.width, d.left, true);
adjustHeight(d.inner_h, d.top, true, cb);
}
}
/**
* Calculates the dimensions for Shadowbox, taking into account the borders
* and surrounding elements of #sb-body.
*
* @param Number height The content height
* @param Number width The content width
* @param Boolean resizable True if the content is able to be
* resized. Defaults to false
* @param Function cb A callback function to execute after the
* resize completes
* @return Object The new dimensions object
* @private
*/
function setDimensions(height, width, resizable){
var sbi = U.get('sb-body-inner')
sw = U.get('sb-wrapper'),
so = U.get('sb-overlay'),
tb = sw.offsetHeight - sbi.offsetHeight,
lr = sw.offsetWidth - sbi.offsetWidth,
max_h = so.offsetHeight, // measure overlay to get viewport size for IE6
max_w = so.offsetWidth;
return S.setDimensions(height, width, max_h, max_w, tb, lr, resizable);
}
/**
* Sets the width and height of Shadowbox with the supplied dimensions.
*
* @param Number height The height
* @param Number width The width
* @param Number top The top position
* @param Number left The left position
* @param Boolean anim True to animate the transition
* @param Function cb A callback function to execute after the
* resize completes
* @return Object The new dimensions object
* @private
*/
function resizeContentManual(height, width, top, left, anim, cb){
switch(S.options.animSequence){
case 'hw':
adjustHeight(height, top, true, function(){
adjustWidth(width, left, true, cb);
});
break;
case 'wh':
adjustWidth(width, left, true, function(){
adjustHeight(height, top, true, cb);
});
break;
default: // sync
adjustWidth(width, left, true);
adjustHeight(height, top, true, cb);
}
}
return {
resizeContentManual : resizeContentManual,
/**
* The HTML markup to use.
*
* @var String
* @public
*/
markup: '<div id="sb-container">' +
'<div id="sb-overlay"></div>' +
'<div id="sb-wrapper">' +
'<div id="sb-title">' +
'<div id="sb-title-inner"></div>' +
'</div>' +
'<div id="sb-body">' +
'<div id="sb-body-inner"></div>' +
'<div id="sb-loading">' +
'<p><a onclick="Shadowbox.close()">{cancel}</a></p>' +
'</div>' +
'</div>' +
'<div id="sb-info">' +
'<div id="sb-info-inner">' +
'<div id="sb-counter"></div>' +
'<div id="sb-nav">' +
// '<a id="sb-nav-close" title="{close}" onclick="Shadowbox.close()"></a>' + /* customised */
// '<a id="sb-nav-next" title="{next}" onclick="Shadowbox.next()"></a>' +
// '<a id="sb-nav-play" title="{play}" onclick="Shadowbox.play()"></a>' +
// '<a id="sb-nav-pause" title="{pause}" onclick="Shadowbox.pause()"></a>' +
// '<a id="sb-nav-previous" title="{previous}" onclick="Shadowbox.previous()"></a>' +
'</div>' +
'<div style="clear:both"></div>' +
'</div>' +
'</div>' +
'</div>' +
'</div>',
options: {
/**
* Determines the sequence of the resizing animations. A value of
* "hw" will resize first the height, then the width. Likewise, "wh"
* will resize the width first, then the height. The default is
* "sync" and will resize both simultaneously.
*
* @var String
* @public
*/
animSequence: 'sync'
},
/**
* Initialization function. Called immediately after this skin's markup
* has been appended to the document with all of the necessary language
* replacements done.
*
* @return void
* @public
*/
init: function(){
// several fixes for IE6
if(S.client.isIE6){
// trigger hasLayout on sb-body
U.get('sb-body').style.zoom = 1;
// support transparent PNG's via AlphaImageLoader
var el, m, re = /url\("(.*\.png)"\)/;
U.each(png, function(id){
el = U.get(id);
if(el){
m = S.lib.getStyle(el, 'backgroundImage').match(re);
if(m){
el.style.backgroundImage = 'none';
el.style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,src=' +
m[1] + ',sizingMethod=scale);';
}
}
});
}
},
/**
* Gets the element that content should be appended to.
*
* @return HTMLElement The body element
* @public
*/
bodyEl: function(){
return U.get('sb-body-inner');
},
/**
* Called when Shadowbox opens from an inactive state.
*
* @param Number h The initial height to use
* @param Number w The initial width to use
* @param Function cb The function to call when finished
* @return void
* @public
*/
onOpen: function(h, w, cb){
U.get('sb-container').style.display = 'block';
var d = setDimensions(h, w);
adjustHeight(d.inner_h, d.top, false);
adjustWidth(d.width, d.left, false);
toggleVisible(cb);
},
/**
* Called when a new piece of content is being loaded.
*
* @param mixed content The content object
* @param Boolean change True if the content is changing
* from some previous content
* @param Function cb A callback that should be fired when
* this function is finished
* @return void
* @public
*/
onLoad: function(content, change, cb){
toggleLoading(true);
hideBars(change, function(){ // if changing, animate the bars transition
if(!content) return;
// if opening, clear #sb-wrapper display
if(!change) U.get('sb-wrapper').style.display = '';
cb();
});
},
/**
* Called when the content is ready to be loaded (e.g. when the image
* has finished loading). Should resize the content box and make any
* other necessary adjustments.
*
* @param Function cb A callback that should be fired when
* this function is finished
* @return void
* @public
*/
onReady: function(cb){
resizeContent(function(){
showBars(cb);
});
},
/**
* Called when the content is loaded into the box and is ready to be
* displayed.
*
* @param Function cb A callback that should be fired when
* this function is finished
* @return void
* @public
*/
onFinish: function(cb){
toggleLoading(false, cb);
},
/**
* Called when Shadowbox is closed.
*
* @return void
* @public
*/
onClose: function(){
toggleVisible(false);
},
/**
* Called in Shadowbox.play().
*
* @return void
* @public
*/
onPlay: function(){
toggleNav('play', false);
toggleNav('pause', true);
},
/**
* Called in Shadowbox.pause().
*
* @return void
* @public
*/
onPause: function(){
toggleNav('pause', false);
toggleNav('play', true);
},
/**
* Called when the window is resized.
*
* @return void
* @public
*/
onWindowResize: function(){
var c = S.content;
if(!c) return;
// set new dimensions
var d = setDimensions(c.height, c.width, c.resizable);
adjustWidth(d.width, d.left, false);
adjustHeight(d.inner_h, d.top, false);
var el = U.get(S.contentId());
if(el){
// resize resizable content when in resize mode
if(c.resizable && S.options.handleOversize == 'resize'){
el.height = d.resize_h;
el.width = d.resize_w;
}
}
}
};
}();
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