docs/_static/fancybox/jquery.fancybox.js
/*!
* fancyBox - jQuery Plugin
* version: 2.1.5 (Fri, 14 Jun 2013)
* @requires jQuery v1.6 or later
*
* Examples at http://fancyapps.com/fancybox/
* License: www.fancyapps.com/fancybox/#license
*
* Copyright 2012 Janis Skarnelis - janis@fancyapps.com
*
*/
(function (window, document, $, undefined) {
"use strict";
var H = $("html"),
W = $(window),
D = $(document),
F = $.fancybox = function () {
F.open.apply(this, arguments);
},
IE = navigator.userAgent.match(/msie/i),
didUpdate = null,
isTouch = document.createTouch !== undefined,
isQuery = function (obj) {
return obj && obj.hasOwnProperty && obj instanceof $;
},
isString = function (str) {
return str && $.type(str) === "string";
},
isPercentage = function (str) {
return isString(str) && str.indexOf('%') > 0;
},
isScrollable = function (el) {
return (el && !(el.style.overflow && el.style.overflow === 'hidden') && ((el.clientWidth && el.scrollWidth > el.clientWidth) || (el.clientHeight && el.scrollHeight > el.clientHeight)));
},
getScalar = function (orig, dim) {
var value = parseInt(orig, 10) || 0;
if (dim && isPercentage(orig)) {
value = F.getViewport()[ dim ] / 100 * value;
}
return Math.ceil(value);
},
getValue = function (value, dim) {
return getScalar(value, dim) + 'px';
};
$.extend(F, {
// The current version of fancyBox
version: '2.1.5',
defaults: {
padding: 15,
margin: 20,
width: 800,
height: 600,
minWidth: 100,
minHeight: 100,
maxWidth: 9999,
maxHeight: 9999,
pixelRatio: 1, // Set to 2 for retina display support
autoSize: true,
autoHeight: false,
autoWidth: false,
autoResize: true,
autoCenter: !isTouch,
fitToView: true,
aspectRatio: false,
topRatio: 0.5,
leftRatio: 0.5,
scrolling: 'auto', // 'auto', 'yes' or 'no'
wrapCSS: '',
arrows: true,
closeBtn: true,
closeClick: false,
nextClick: false,
mouseWheel: true,
autoPlay: false,
playSpeed: 3000,
preload: 3,
modal: false,
loop: true,
ajax: {
dataType: 'html',
headers: { 'X-fancyBox': true }
},
iframe: {
scrolling: 'auto',
preload: true
},
swf: {
wmode: 'transparent',
allowfullscreen: 'true',
allowscriptaccess: 'always'
},
keys: {
next: {
13: 'left', // enter
34: 'up', // page down
39: 'left', // right arrow
40: 'up' // down arrow
},
prev: {
8: 'right', // backspace
33: 'down', // page up
37: 'right', // left arrow
38: 'down' // up arrow
},
close: [27], // escape key
play: [32], // space - start/stop slideshow
toggle: [70] // letter "f" - toggle fullscreen
},
direction: {
next: 'left',
prev: 'right'
},
scrollOutside: true,
// Override some properties
index: 0,
type: null,
href: null,
content: null,
title: null,
// HTML templates
tpl: {
wrap: '<div class="fancybox-wrap" tabIndex="-1"><div class="fancybox-skin"><div class="fancybox-outer"><div class="fancybox-inner"></div></div></div></div>',
image: '<img class="fancybox-image" src="{href}" alt="" />',
iframe: '<iframe id="fancybox-frame{rnd}" name="fancybox-frame{rnd}" class="fancybox-iframe" frameborder="0" vspace="0" hspace="0" webkitAllowFullScreen mozallowfullscreen allowFullScreen' + (IE ? ' allowtransparency="true"' : '') + '></iframe>',
error: '<p class="fancybox-error">The requested content cannot be loaded.<br/>Please try again later.</p>',
closeBtn: '<a title="Close" class="fancybox-item fancybox-close" href="javascript:;"></a>',
next: '<a title="Next" class="fancybox-nav fancybox-next" href="javascript:;"><span></span></a>',
prev: '<a title="Previous" class="fancybox-nav fancybox-prev" href="javascript:;"><span></span></a>'
},
// Properties for each animation type
// Opening fancyBox
openEffect: 'fade', // 'elastic', 'fade' or 'none'
openSpeed: 250,
openEasing: 'swing',
openOpacity: true,
openMethod: 'zoomIn',
// Closing fancyBox
closeEffect: 'fade', // 'elastic', 'fade' or 'none'
closeSpeed: 250,
closeEasing: 'swing',
closeOpacity: true,
closeMethod: 'zoomOut',
// Changing next gallery item
nextEffect: 'elastic', // 'elastic', 'fade' or 'none'
nextSpeed: 250,
nextEasing: 'swing',
nextMethod: 'changeIn',
// Changing previous gallery item
prevEffect: 'elastic', // 'elastic', 'fade' or 'none'
prevSpeed: 250,
prevEasing: 'swing',
prevMethod: 'changeOut',
// Enable default helpers
helpers: {
overlay: true,
title: true
},
// Callbacks
onCancel: $.noop, // If canceling
beforeLoad: $.noop, // Before loading
afterLoad: $.noop, // After loading
beforeShow: $.noop, // Before changing in current item
afterShow: $.noop, // After opening
beforeChange: $.noop, // Before changing gallery item
beforeClose: $.noop, // Before closing
afterClose: $.noop // After closing
},
//Current state
group: {}, // Selected group
opts: {}, // Group options
previous: null, // Previous element
coming: null, // Element being loaded
current: null, // Currently loaded element
isActive: false, // Is activated
isOpen: false, // Is currently open
isOpened: false, // Have been fully opened at least once
wrap: null,
skin: null,
outer: null,
inner: null,
player: {
timer: null,
isActive: false
},
// Loaders
ajaxLoad: null,
imgPreload: null,
// Some collections
transitions: {},
helpers: {},
/*
* Static methods
*/
open: function (group, opts) {
if (!group) {
return;
}
if (!$.isPlainObject(opts)) {
opts = {};
}
// Close if already active
if (false === F.close(true)) {
return;
}
// Normalize group
if (!$.isArray(group)) {
group = isQuery(group) ? $(group).get() : [group];
}
// Recheck if the type of each element is `object` and set content type (image, ajax, etc)
$.each(group, function (i, element) {
var obj = {},
href,
title,
content,
type,
rez,
hrefParts,
selector;
if ($.type(element) === "object") {
// Check if is DOM element
if (element.nodeType) {
element = $(element);
}
if (isQuery(element)) {
obj = {
href: element.data('fancybox-href') || element.attr('href'),
title: element.data('fancybox-title') || element.attr('title'),
isDom: true,
element: element
};
if ($.metadata) {
$.extend(true, obj, element.metadata());
}
} else {
obj = element;
}
}
href = opts.href || obj.href || (isString(element) ? element : null);
title = opts.title !== undefined ? opts.title : obj.title || '';
content = opts.content || obj.content;
type = content ? 'html' : (opts.type || obj.type);
if (!type && obj.isDom) {
type = element.data('fancybox-type');
if (!type) {
rez = element.prop('class').match(/fancybox\.(\w+)/);
type = rez ? rez[1] : null;
}
}
if (isString(href)) {
// Try to guess the content type
if (!type) {
if (F.isImage(href)) {
type = 'image';
} else if (F.isSWF(href)) {
type = 'swf';
} else if (href.charAt(0) === '#') {
type = 'inline';
} else if (isString(element)) {
type = 'html';
content = element;
}
}
// Split url into two pieces with source url and content selector, e.g,
// "/mypage.html #my_id" will load "/mypage.html" and display element having id "my_id"
if (type === 'ajax') {
hrefParts = href.split(/\s+/, 2);
href = hrefParts.shift();
selector = hrefParts.shift();
}
}
if (!content) {
if (type === 'inline') {
if (href) {
content = $(isString(href) ? href.replace(/.*(?=#[^\s]+$)/, '') : href); //strip for ie7
} else if (obj.isDom) {
content = element;
}
} else if (type === 'html') {
content = href;
} else if (!type && !href && obj.isDom) {
type = 'inline';
content = element;
}
}
$.extend(obj, {
href: href,
type: type,
content: content,
title: title,
selector: selector
});
group[ i ] = obj;
});
// Extend the defaults
F.opts = $.extend(true, {}, F.defaults, opts);
// All options are merged recursive except keys
if (opts.keys !== undefined) {
F.opts.keys = opts.keys ? $.extend({}, F.defaults.keys, opts.keys) : false;
}
F.group = group;
return F._start(F.opts.index);
},
// Cancel image loading or abort ajax request
cancel: function () {
var coming = F.coming;
if (!coming || false === F.trigger('onCancel')) {
return;
}
F.hideLoading();
if (F.ajaxLoad) {
F.ajaxLoad.abort();
}
F.ajaxLoad = null;
if (F.imgPreload) {
F.imgPreload.onload = F.imgPreload.onerror = null;
}
if (coming.wrap) {
coming.wrap.stop(true, true).trigger('onReset').remove();
}
F.coming = null;
// If the first item has been canceled, then clear everything
if (!F.current) {
F._afterZoomOut(coming);
}
},
// Start closing animation if is open; remove immediately if opening/closing
close: function (event) {
F.cancel();
if (false === F.trigger('beforeClose')) {
return;
}
F.unbindEvents();
if (!F.isActive) {
return;
}
if (!F.isOpen || event === true) {
$('.fancybox-wrap').stop(true).trigger('onReset').remove();
F._afterZoomOut();
} else {
F.isOpen = F.isOpened = false;
F.isClosing = true;
$('.fancybox-item, .fancybox-nav').remove();
F.wrap.stop(true, true).removeClass('fancybox-opened');
F.transitions[ F.current.closeMethod ]();
}
},
// Manage slideshow:
// $.fancybox.play(); - toggle slideshow
// $.fancybox.play( true ); - start
// $.fancybox.play( false ); - stop
play: function (action) {
var clear = function () {
clearTimeout(F.player.timer);
},
set = function () {
clear();
if (F.current && F.player.isActive) {
F.player.timer = setTimeout(F.next, F.current.playSpeed);
}
},
stop = function () {
clear();
D.unbind('.player');
F.player.isActive = false;
F.trigger('onPlayEnd');
},
start = function () {
if (F.current && (F.current.loop || F.current.index < F.group.length - 1)) {
F.player.isActive = true;
D.bind({
'onCancel.player beforeClose.player': stop,
'onUpdate.player': set,
'beforeLoad.player': clear
});
set();
F.trigger('onPlayStart');
}
};
if (action === true || (!F.player.isActive && action !== false)) {
start();
} else {
stop();
}
},
// Navigate to next gallery item
next: function (direction) {
var current = F.current;
if (current) {
if (!isString(direction)) {
direction = current.direction.next;
}
F.jumpto(current.index + 1, direction, 'next');
}
},
// Navigate to previous gallery item
prev: function (direction) {
var current = F.current;
if (current) {
if (!isString(direction)) {
direction = current.direction.prev;
}
F.jumpto(current.index - 1, direction, 'prev');
}
},
// Navigate to gallery item by index
jumpto: function (index, direction, router) {
var current = F.current;
if (!current) {
return;
}
index = getScalar(index);
F.direction = direction || current.direction[ (index >= current.index ? 'next' : 'prev') ];
F.router = router || 'jumpto';
if (current.loop) {
if (index < 0) {
index = current.group.length + (index % current.group.length);
}
index = index % current.group.length;
}
if (current.group[ index ] !== undefined) {
F.cancel();
F._start(index);
}
},
// Center inside viewport and toggle position type to fixed or absolute if needed
reposition: function (e, onlyAbsolute) {
var current = F.current,
wrap = current ? current.wrap : null,
pos;
if (wrap) {
pos = F._getPosition(onlyAbsolute);
if (e && e.type === 'scroll') {
delete pos.position;
wrap.stop(true, true).animate(pos, 200);
} else {
wrap.css(pos);
current.pos = $.extend({}, current.dim, pos);
}
}
},
update: function (e) {
var type = (e && e.type),
anyway = !type || type === 'orientationchange';
if (anyway) {
clearTimeout(didUpdate);
didUpdate = null;
}
if (!F.isOpen || didUpdate) {
return;
}
didUpdate = setTimeout(function () {
var current = F.current;
if (!current || F.isClosing) {
return;
}
F.wrap.removeClass('fancybox-tmp');
if (anyway || type === 'load' || (type === 'resize' && current.autoResize)) {
F._setDimension();
}
if (!(type === 'scroll' && current.canShrink)) {
F.reposition(e);
}
F.trigger('onUpdate');
didUpdate = null;
}, (anyway && !isTouch ? 0 : 300));
},
// Shrink content to fit inside viewport or restore if resized
toggle: function (action) {
if (F.isOpen) {
F.current.fitToView = $.type(action) === "boolean" ? action : !F.current.fitToView;
// Help browser to restore document dimensions
if (isTouch) {
F.wrap.removeAttr('style').addClass('fancybox-tmp');
F.trigger('onUpdate');
}
F.update();
}
},
hideLoading: function () {
D.unbind('.loading');
$('#fancybox-loading').remove();
},
showLoading: function () {
var el, viewport;
F.hideLoading();
el = $('<div id="fancybox-loading"><div></div></div>').click(F.cancel).appendTo('body');
// If user will press the escape-button, the request will be canceled
D.bind('keydown.loading', function (e) {
if ((e.which || e.keyCode) === 27) {
e.preventDefault();
F.cancel();
}
});
if (!F.defaults.fixed) {
viewport = F.getViewport();
el.css({
position: 'absolute',
top: (viewport.h * 0.5) + viewport.y,
left: (viewport.w * 0.5) + viewport.x
});
}
},
getViewport: function () {
var locked = (F.current && F.current.locked) || false,
rez = {
x: W.scrollLeft(),
y: W.scrollTop()
};
if (locked) {
rez.w = locked[0].clientWidth;
rez.h = locked[0].clientHeight;
} else {
// See http://bugs.jquery.com/ticket/6724
rez.w = isTouch && window.innerWidth ? window.innerWidth : W.width();
rez.h = isTouch && window.innerHeight ? window.innerHeight : W.height();
}
return rez;
},
// Unbind the keyboard / clicking actions
unbindEvents: function () {
if (F.wrap && isQuery(F.wrap)) {
F.wrap.unbind('.fb');
}
D.unbind('.fb');
W.unbind('.fb');
},
bindEvents: function () {
var current = F.current,
keys;
if (!current) {
return;
}
// Changing document height on iOS devices triggers a 'resize' event,
// that can change document height... repeating infinitely
W.bind('orientationchange.fb' + (isTouch ? '' : ' resize.fb') + (current.autoCenter && !current.locked ? ' scroll.fb' : ''), F.update);
keys = current.keys;
if (keys) {
D.bind('keydown.fb', function (e) {
var code = e.which || e.keyCode,
target = e.target || e.srcElement;
// Skip esc key if loading, because showLoading will cancel preloading
if (code === 27 && F.coming) {
return false;
}
// Ignore key combinations and key events within form elements
if (!e.ctrlKey && !e.altKey && !e.shiftKey && !e.metaKey && !(target && (target.type || $(target).is('[contenteditable]')))) {
$.each(keys, function (i, val) {
if (current.group.length > 1 && val[ code ] !== undefined) {
F[ i ](val[ code ]);
e.preventDefault();
return false;
}
if ($.inArray(code, val) > -1) {
F[ i ]();
e.preventDefault();
return false;
}
});
}
});
}
if ($.fn.mousewheel && current.mouseWheel) {
F.wrap.bind('mousewheel.fb', function (e, delta, deltaX, deltaY) {
var target = e.target || null,
parent = $(target),
canScroll = false;
while (parent.length) {
if (canScroll || parent.is('.fancybox-skin') || parent.is('.fancybox-wrap')) {
break;
}
canScroll = isScrollable(parent[0]);
parent = $(parent).parent();
}
if (delta !== 0 && !canScroll) {
if (F.group.length > 1 && !current.canShrink) {
if (deltaY > 0 || deltaX > 0) {
F.prev(deltaY > 0 ? 'down' : 'left');
} else if (deltaY < 0 || deltaX < 0) {
F.next(deltaY < 0 ? 'up' : 'right');
}
e.preventDefault();
}
}
});
}
},
trigger: function (event, o) {
var ret, obj = o || F.coming || F.current;
if (!obj) {
return;
}
if ($.isFunction(obj[event])) {
ret = obj[event].apply(obj, Array.prototype.slice.call(arguments, 1));
}
if (ret === false) {
return false;
}
if (obj.helpers) {
$.each(obj.helpers, function (helper, opts) {
if (opts && F.helpers[helper] && $.isFunction(F.helpers[helper][event])) {
F.helpers[helper][event]($.extend(true, {}, F.helpers[helper].defaults, opts), obj);
}
});
}
D.trigger(event);
},
isImage: function (str) {
return isString(str) && str.match(/(^data:image\/.*,)|(\.(jp(e|g|eg)|gif|png|bmp|webp|svg)((\?|#).*)?$)/i);
},
isSWF: function (str) {
return isString(str) && str.match(/\.(swf)((\?|#).*)?$/i);
},
_start: function (index) {
var coming = {},
obj,
href,
type,
margin,
padding;
index = getScalar(index);
obj = F.group[ index ] || null;
if (!obj) {
return false;
}
coming = $.extend(true, {}, F.opts, obj);
// Convert margin and padding properties to array - top, right, bottom, left
margin = coming.margin;
padding = coming.padding;
if ($.type(margin) === 'number') {
coming.margin = [margin, margin, margin, margin];
}
if ($.type(padding) === 'number') {
coming.padding = [padding, padding, padding, padding];
}
// 'modal' propery is just a shortcut
if (coming.modal) {
$.extend(true, coming, {
closeBtn: false,
closeClick: false,
nextClick: false,
arrows: false,
mouseWheel: false,
keys: null,
helpers: {
overlay: {
closeClick: false
}
}
});
}
// 'autoSize' property is a shortcut, too
if (coming.autoSize) {
coming.autoWidth = coming.autoHeight = true;
}
if (coming.width === 'auto') {
coming.autoWidth = true;
}
if (coming.height === 'auto') {
coming.autoHeight = true;
}
/*
* Add reference to the group, so it`s possible to access from callbacks, example:
* afterLoad : function() {
* this.title = 'Image ' + (this.index + 1) + ' of ' + this.group.length + (this.title ? ' - ' + this.title : '');
* }
*/
coming.group = F.group;
coming.index = index;
// Give a chance for callback or helpers to update coming item (type, title, etc)
F.coming = coming;
if (false === F.trigger('beforeLoad')) {
F.coming = null;
return;
}
type = coming.type;
href = coming.href;
if (!type) {
F.coming = null;
//If we can not determine content type then drop silently or display next/prev item if looping through gallery
if (F.current && F.router && F.router !== 'jumpto') {
F.current.index = index;
return F[ F.router ](F.direction);
}
return false;
}
F.isActive = true;
if (type === 'image' || type === 'swf') {
coming.autoHeight = coming.autoWidth = false;
coming.scrolling = 'visible';
}
if (type === 'image') {
coming.aspectRatio = true;
}
if (type === 'iframe' && isTouch) {
coming.scrolling = 'scroll';
}
// Build the necessary markup
coming.wrap = $(coming.tpl.wrap).addClass('fancybox-' + (isTouch ? 'mobile' : 'desktop') + ' fancybox-type-' + type + ' fancybox-tmp ' + coming.wrapCSS).appendTo(coming.parent || 'body');
$.extend(coming, {
skin: $('.fancybox-skin', coming.wrap),
outer: $('.fancybox-outer', coming.wrap),
inner: $('.fancybox-inner', coming.wrap)
});
$.each(["Top", "Right", "Bottom", "Left"], function (i, v) {
coming.skin.css('padding' + v, getValue(coming.padding[ i ]));
});
F.trigger('onReady');
// Check before try to load; 'inline' and 'html' types need content, others - href
if (type === 'inline' || type === 'html') {
if (!coming.content || !coming.content.length) {
return F._error('content');
}
} else if (!href) {
return F._error('href');
}
if (type === 'image') {
F._loadImage();
} else if (type === 'ajax') {
F._loadAjax();
} else if (type === 'iframe') {
F._loadIframe();
} else {
F._afterLoad();
}
},
_error: function (type) {
$.extend(F.coming, {
type: 'html',
autoWidth: true,
autoHeight: true,
minWidth: 0,
minHeight: 0,
scrolling: 'no',
hasError: type,
content: F.coming.tpl.error
});
F._afterLoad();
},
_loadImage: function () {
// Reset preload image so it is later possible to check "complete" property
var img = F.imgPreload = new Image();
img.onload = function () {
this.onload = this.onerror = null;
F.coming.width = this.width / F.opts.pixelRatio;
F.coming.height = this.height / F.opts.pixelRatio;
F._afterLoad();
};
img.onerror = function () {
this.onload = this.onerror = null;
F._error('image');
};
img.src = F.coming.href;
if (img.complete !== true) {
F.showLoading();
}
},
_loadAjax: function () {
var coming = F.coming;
F.showLoading();
F.ajaxLoad = $.ajax($.extend({}, coming.ajax, {
url: coming.href,
error: function (jqXHR, textStatus) {
if (F.coming && textStatus !== 'abort') {
F._error('ajax', jqXHR);
} else {
F.hideLoading();
}
},
success: function (data, textStatus) {
if (textStatus === 'success') {
coming.content = data;
F._afterLoad();
}
}
}));
},
_loadIframe: function () {
var coming = F.coming,
iframe = $(coming.tpl.iframe.replace(/\{rnd\}/g, new Date().getTime()))
.attr('scrolling', isTouch ? 'auto' : coming.iframe.scrolling)
.attr('src', coming.href);
// This helps IE
$(coming.wrap).bind('onReset', function () {
try {
$(this).find('iframe').hide().attr('src', '//about:blank').end().empty();
} catch (e) {
}
});
if (coming.iframe.preload) {
F.showLoading();
iframe.one('load', function () {
$(this).data('ready', 1);
// iOS will lose scrolling if we resize
if (!isTouch) {
$(this).bind('load.fb', F.update);
}
// Without this trick:
// - iframe won't scroll on iOS devices
// - IE7 sometimes displays empty iframe
$(this).parents('.fancybox-wrap').width('100%').removeClass('fancybox-tmp').show();
F._afterLoad();
});
}
coming.content = iframe.appendTo(coming.inner);
if (!coming.iframe.preload) {
F._afterLoad();
}
},
_preloadImages: function () {
var group = F.group,
current = F.current,
len = group.length,
cnt = current.preload ? Math.min(current.preload, len - 1) : 0,
item,
i;
for (i = 1; i <= cnt; i += 1) {
item = group[ (current.index + i ) % len ];
if (item.type === 'image' && item.href) {
new Image().src = item.href;
}
}
},
_afterLoad: function () {
var coming = F.coming,
previous = F.current,
placeholder = 'fancybox-placeholder',
current,
content,
type,
scrolling,
href,
embed;
F.hideLoading();
if (!coming || F.isActive === false) {
return;
}
if (false === F.trigger('afterLoad', coming, previous)) {
coming.wrap.stop(true).trigger('onReset').remove();
F.coming = null;
return;
}
if (previous) {
F.trigger('beforeChange', previous);
previous.wrap.stop(true).removeClass('fancybox-opened')
.find('.fancybox-item, .fancybox-nav')
.remove();
}
F.unbindEvents();
current = coming;
content = coming.content;
type = coming.type;
scrolling = coming.scrolling;
$.extend(F, {
wrap: current.wrap,
skin: current.skin,
outer: current.outer,
inner: current.inner,
current: current,
previous: previous
});
href = current.href;
switch (type) {
case 'inline':
case 'ajax':
case 'html':
if (current.selector) {
content = $('<div>').html(content).find(current.selector);
} else if (isQuery(content)) {
if (!content.data(placeholder)) {
content.data(placeholder, $('<div class="' + placeholder + '"></div>').insertAfter(content).hide());
}
content = content.show().detach();
current.wrap.bind('onReset', function () {
if ($(this).find(content).length) {
content.hide().replaceAll(content.data(placeholder)).data(placeholder, false);
}
});
}
break;
case 'image':
content = current.tpl.image.replace('{href}', href);
break;
case 'swf':
content = '<object id="fancybox-swf" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="100%" height="100%"><param name="movie" value="' + href + '"></param>';
embed = '';
$.each(current.swf, function (name, val) {
content += '<param name="' + name + '" value="' + val + '"></param>';
embed += ' ' + name + '="' + val + '"';
});
content += '<embed src="' + href + '" type="application/x-shockwave-flash" width="100%" height="100%"' + embed + '></embed></object>';
break;
}
if (!(isQuery(content) && content.parent().is(current.inner))) {
current.inner.append(content);
}
// Give a chance for helpers or callbacks to update elements
F.trigger('beforeShow');
// Set scrolling before calculating dimensions
current.inner.css('overflow', scrolling === 'yes' ? 'scroll' : (scrolling === 'no' ? 'hidden' : scrolling));
// Set initial dimensions and start position
F._setDimension();
F.reposition();
F.isOpen = false;
F.coming = null;
F.bindEvents();
if (!F.isOpened) {
$('.fancybox-wrap').not(current.wrap).stop(true).trigger('onReset').remove();
} else if (previous.prevMethod) {
F.transitions[ previous.prevMethod ]();
}
F.transitions[ F.isOpened ? current.nextMethod : current.openMethod ]();
F._preloadImages();
},
_setDimension: function () {
var viewport = F.getViewport(),
steps = 0,
canShrink = false,
canExpand = false,
wrap = F.wrap,
skin = F.skin,
inner = F.inner,
current = F.current,
width = current.width,
height = current.height,
minWidth = current.minWidth,
minHeight = current.minHeight,
maxWidth = current.maxWidth,
maxHeight = current.maxHeight,
scrolling = current.scrolling,
scrollOut = current.scrollOutside ? current.scrollbarWidth : 0,
margin = current.margin,
wMargin = getScalar(margin[1] + margin[3]),
hMargin = getScalar(margin[0] + margin[2]),
wPadding,
hPadding,
wSpace,
hSpace,
origWidth,
origHeight,
origMaxWidth,
origMaxHeight,
ratio,
width_,
height_,
maxWidth_,
maxHeight_,
iframe,
body;
// Reset dimensions so we could re-check actual size
wrap.add(skin).add(inner).width('auto').height('auto').removeClass('fancybox-tmp');
wPadding = getScalar(skin.outerWidth(true) - skin.width());
hPadding = getScalar(skin.outerHeight(true) - skin.height());
// Any space between content and viewport (margin, padding, border, title)
wSpace = wMargin + wPadding;
hSpace = hMargin + hPadding;
origWidth = isPercentage(width) ? (viewport.w - wSpace) * getScalar(width) / 100 : width;
origHeight = isPercentage(height) ? (viewport.h - hSpace) * getScalar(height) / 100 : height;
if (current.type === 'iframe') {
iframe = current.content;
if (current.autoHeight && iframe.data('ready') === 1) {
try {
if (iframe[0].contentWindow.document.location) {
inner.width(origWidth).height(9999);
body = iframe.contents().find('body');
if (scrollOut) {
body.css('overflow-x', 'hidden');
}
origHeight = body.outerHeight(true);
}
} catch (e) {
}
}
} else if (current.autoWidth || current.autoHeight) {
inner.addClass('fancybox-tmp');
// Set width or height in case we need to calculate only one dimension
if (!current.autoWidth) {
inner.width(origWidth);
}
if (!current.autoHeight) {
inner.height(origHeight);
}
if (current.autoWidth) {
origWidth = inner.width();
}
if (current.autoHeight) {
origHeight = inner.height();
}
inner.removeClass('fancybox-tmp');
}
width = getScalar(origWidth);
height = getScalar(origHeight);
ratio = origWidth / origHeight;
// Calculations for the content
minWidth = getScalar(isPercentage(minWidth) ? getScalar(minWidth, 'w') - wSpace : minWidth);
maxWidth = getScalar(isPercentage(maxWidth) ? getScalar(maxWidth, 'w') - wSpace : maxWidth);
minHeight = getScalar(isPercentage(minHeight) ? getScalar(minHeight, 'h') - hSpace : minHeight);
maxHeight = getScalar(isPercentage(maxHeight) ? getScalar(maxHeight, 'h') - hSpace : maxHeight);
// These will be used to determine if wrap can fit in the viewport
origMaxWidth = maxWidth;
origMaxHeight = maxHeight;
if (current.fitToView) {
maxWidth = Math.min(viewport.w - wSpace, maxWidth);
maxHeight = Math.min(viewport.h - hSpace, maxHeight);
}
maxWidth_ = viewport.w - wMargin;
maxHeight_ = viewport.h - hMargin;
if (current.aspectRatio) {
if (width > maxWidth) {
width = maxWidth;
height = getScalar(width / ratio);
}
if (height > maxHeight) {
height = maxHeight;
width = getScalar(height * ratio);
}
if (width < minWidth) {
width = minWidth;
height = getScalar(width / ratio);
}
if (height < minHeight) {
height = minHeight;
width = getScalar(height * ratio);
}
} else {
width = Math.max(minWidth, Math.min(width, maxWidth));
if (current.autoHeight && current.type !== 'iframe') {
inner.width(width);
height = inner.height();
}
height = Math.max(minHeight, Math.min(height, maxHeight));
}
// Try to fit inside viewport (including the title)
if (current.fitToView) {
inner.width(width).height(height);
wrap.width(width + wPadding);
// Real wrap dimensions
width_ = wrap.width();
height_ = wrap.height();
if (current.aspectRatio) {
while ((width_ > maxWidth_ || height_ > maxHeight_) && width > minWidth && height > minHeight) {
if (steps++ > 19) {
break;
}
height = Math.max(minHeight, Math.min(maxHeight, height - 10));
width = getScalar(height * ratio);
if (width < minWidth) {
width = minWidth;
height = getScalar(width / ratio);
}
if (width > maxWidth) {
width = maxWidth;
height = getScalar(width / ratio);
}
inner.width(width).height(height);
wrap.width(width + wPadding);
width_ = wrap.width();
height_ = wrap.height();
}
} else {
width = Math.max(minWidth, Math.min(width, width - (width_ - maxWidth_)));
height = Math.max(minHeight, Math.min(height, height - (height_ - maxHeight_)));
}
}
if (scrollOut && scrolling === 'auto' && height < origHeight && (width + wPadding + scrollOut) < maxWidth_) {
width += scrollOut;
}
inner.width(width).height(height);
wrap.width(width + wPadding);
width_ = wrap.width();
height_ = wrap.height();
canShrink = (width_ > maxWidth_ || height_ > maxHeight_) && width > minWidth && height > minHeight;
canExpand = current.aspectRatio ? (width < origMaxWidth && height < origMaxHeight && width < origWidth && height < origHeight) : ((width < origMaxWidth || height < origMaxHeight) && (width < origWidth || height < origHeight));
$.extend(current, {
dim: {
width: getValue(width_),
height: getValue(height_)
},
origWidth: origWidth,
origHeight: origHeight,
canShrink: canShrink,
canExpand: canExpand,
wPadding: wPadding,
hPadding: hPadding,
wrapSpace: height_ - skin.outerHeight(true),
skinSpace: skin.height() - height
});
if (!iframe && current.autoHeight && height > minHeight && height < maxHeight && !canExpand) {
inner.height('auto');
}
},
_getPosition: function (onlyAbsolute) {
var current = F.current,
viewport = F.getViewport(),
margin = current.margin,
width = F.wrap.width() + margin[1] + margin[3],
height = F.wrap.height() + margin[0] + margin[2],
rez = {
position: 'absolute',
top: margin[0],
left: margin[3]
};
if (current.autoCenter && current.fixed && !onlyAbsolute && height <= viewport.h && width <= viewport.w) {
rez.position = 'fixed';
} else if (!current.locked) {
rez.top += viewport.y;
rez.left += viewport.x;
}
rez.top = getValue(Math.max(rez.top, rez.top + ((viewport.h - height) * current.topRatio)));
rez.left = getValue(Math.max(rez.left, rez.left + ((viewport.w - width) * current.leftRatio)));
return rez;
},
_afterZoomIn: function () {
var current = F.current;
if (!current) {
return;
}
F.isOpen = F.isOpened = true;
F.wrap.css('overflow', 'visible').addClass('fancybox-opened');
F.update();
// Assign a click event
if (current.closeClick || (current.nextClick && F.group.length > 1)) {
F.inner.css('cursor', 'pointer').bind('click.fb', function (e) {
if (!$(e.target).is('a') && !$(e.target).parent().is('a')) {
e.preventDefault();
F[ current.closeClick ? 'close' : 'next' ]();
}
});
}
// Create a close button
if (current.closeBtn) {
$(current.tpl.closeBtn).appendTo(F.skin).bind('click.fb', function (e) {
e.preventDefault();
F.close();
});
}
// Create navigation arrows
if (current.arrows && F.group.length > 1) {
if (current.loop || current.index > 0) {
$(current.tpl.prev).appendTo(F.outer).bind('click.fb', F.prev);
}
if (current.loop || current.index < F.group.length - 1) {
$(current.tpl.next).appendTo(F.outer).bind('click.fb', F.next);
}
}
F.trigger('afterShow');
// Stop the slideshow if this is the last item
if (!current.loop && current.index === current.group.length - 1) {
F.play(false);
} else if (F.opts.autoPlay && !F.player.isActive) {
F.opts.autoPlay = false;
F.play();
}
},
_afterZoomOut: function (obj) {
obj = obj || F.current;
$('.fancybox-wrap').trigger('onReset').remove();
$.extend(F, {
group: {},
opts: {},
router: false,
current: null,
isActive: false,
isOpened: false,
isOpen: false,
isClosing: false,
wrap: null,
skin: null,
outer: null,
inner: null
});
F.trigger('afterClose', obj);
}
});
/*
* Default transitions
*/
F.transitions = {
getOrigPosition: function () {
var current = F.current,
element = current.element,
orig = current.orig,
pos = {},
width = 50,
height = 50,
hPadding = current.hPadding,
wPadding = current.wPadding,
viewport = F.getViewport();
if (!orig && current.isDom && element.is(':visible')) {
orig = element.find('img:first');
if (!orig.length) {
orig = element;
}
}
if (isQuery(orig)) {
pos = orig.offset();
if (orig.is('img')) {
width = orig.outerWidth();
height = orig.outerHeight();
}
} else {
pos.top = viewport.y + (viewport.h - height) * current.topRatio;
pos.left = viewport.x + (viewport.w - width) * current.leftRatio;
}
if (F.wrap.css('position') === 'fixed' || current.locked) {
pos.top -= viewport.y;
pos.left -= viewport.x;
}
pos = {
top: getValue(pos.top - hPadding * current.topRatio),
left: getValue(pos.left - wPadding * current.leftRatio),
width: getValue(width + wPadding),
height: getValue(height + hPadding)
};
return pos;
},
step: function (now, fx) {
var ratio,
padding,
value,
prop = fx.prop,
current = F.current,
wrapSpace = current.wrapSpace,
skinSpace = current.skinSpace;
if (prop === 'width' || prop === 'height') {
ratio = fx.end === fx.start ? 1 : (now - fx.start) / (fx.end - fx.start);
if (F.isClosing) {
ratio = 1 - ratio;
}
padding = prop === 'width' ? current.wPadding : current.hPadding;
value = now - padding;
F.skin[ prop ](getScalar(prop === 'width' ? value : value - (wrapSpace * ratio)));
F.inner[ prop ](getScalar(prop === 'width' ? value : value - (wrapSpace * ratio) - (skinSpace * ratio)));
}
},
zoomIn: function () {
var current = F.current,
startPos = current.pos,
effect = current.openEffect,
elastic = effect === 'elastic',
endPos = $.extend({opacity: 1}, startPos);
// Remove "position" property that breaks older IE
delete endPos.position;
if (elastic) {
startPos = this.getOrigPosition();
if (current.openOpacity) {
startPos.opacity = 0.1;
}
} else if (effect === 'fade') {
startPos.opacity = 0.1;
}
F.wrap.css(startPos).animate(endPos, {
duration: effect === 'none' ? 0 : current.openSpeed,
easing: current.openEasing,
step: elastic ? this.step : null,
complete: F._afterZoomIn
});
},
zoomOut: function () {
var current = F.current,
effect = current.closeEffect,
elastic = effect === 'elastic',
endPos = {opacity: 0.1};
if (elastic) {
endPos = this.getOrigPosition();
if (current.closeOpacity) {
endPos.opacity = 0.1;
}
}
F.wrap.animate(endPos, {
duration: effect === 'none' ? 0 : current.closeSpeed,
easing: current.closeEasing,
step: elastic ? this.step : null,
complete: F._afterZoomOut
});
},
changeIn: function () {
var current = F.current,
effect = current.nextEffect,
startPos = current.pos,
endPos = { opacity: 1 },
direction = F.direction,
distance = 200,
field;
startPos.opacity = 0.1;
if (effect === 'elastic') {
field = direction === 'down' || direction === 'up' ? 'top' : 'left';
if (direction === 'down' || direction === 'right') {
startPos[ field ] = getValue(getScalar(startPos[ field ]) - distance);
endPos[ field ] = '+=' + distance + 'px';
} else {
startPos[ field ] = getValue(getScalar(startPos[ field ]) + distance);
endPos[ field ] = '-=' + distance + 'px';
}
}
// Workaround for http://bugs.jquery.com/ticket/12273
if (effect === 'none') {
F._afterZoomIn();
} else {
F.wrap.css(startPos).animate(endPos, {
duration: current.nextSpeed,
easing: current.nextEasing,
complete: F._afterZoomIn
});
}
},
changeOut: function () {
var previous = F.previous,
effect = previous.prevEffect,
endPos = { opacity: 0.1 },
direction = F.direction,
distance = 200;
if (effect === 'elastic') {
endPos[ direction === 'down' || direction === 'up' ? 'top' : 'left' ] = ( direction === 'up' || direction === 'left' ? '-' : '+' ) + '=' + distance + 'px';
}
previous.wrap.animate(endPos, {
duration: effect === 'none' ? 0 : previous.prevSpeed,
easing: previous.prevEasing,
complete: function () {
$(this).trigger('onReset').remove();
}
});
}
};
/*
* Overlay helper
*/
F.helpers.overlay = {
defaults: {
closeClick: true, // if true, fancyBox will be closed when user clicks on the overlay
speedOut: 200, // duration of fadeOut animation
showEarly: true, // indicates if should be opened immediately or wait until the content is ready
css: {}, // custom CSS properties
locked: !isTouch, // if true, the content will be locked into overlay
fixed: true // if false, the overlay CSS position property will not be set to "fixed"
},
overlay: null, // current handle
fixed: false, // indicates if the overlay has position "fixed"
el: $('html'), // element that contains "the lock"
// Public methods
create: function (opts) {
opts = $.extend({}, this.defaults, opts);
if (this.overlay) {
this.close();
}
this.overlay = $('<div class="fancybox-overlay"></div>').appendTo(F.coming ? F.coming.parent : opts.parent);
this.fixed = false;
if (opts.fixed && F.defaults.fixed) {
this.overlay.addClass('fancybox-overlay-fixed');
this.fixed = true;
}
},
open: function (opts) {
var that = this;
opts = $.extend({}, this.defaults, opts);
if (this.overlay) {
this.overlay.unbind('.overlay').width('auto').height('auto');
} else {
this.create(opts);
}
if (!this.fixed) {
W.bind('resize.overlay', $.proxy(this.update, this));
this.update();
}
if (opts.closeClick) {
this.overlay.bind('click.overlay', function (e) {
if ($(e.target).hasClass('fancybox-overlay')) {
if (F.isActive) {
F.close();
} else {
that.close();
}
return false;
}
});
}
this.overlay.css(opts.css).show();
},
close: function () {
var scrollV, scrollH;
W.unbind('resize.overlay');
if (this.el.hasClass('fancybox-lock')) {
$('.fancybox-margin').removeClass('fancybox-margin');
scrollV = W.scrollTop();
scrollH = W.scrollLeft();
this.el.removeClass('fancybox-lock');
W.scrollTop(scrollV).scrollLeft(scrollH);
}
$('.fancybox-overlay').remove().hide();
$.extend(this, {
overlay: null,
fixed: false
});
},
// Private, callbacks
update: function () {
var width = '100%', offsetWidth;
// Reset width/height so it will not mess
this.overlay.width(width).height('100%');
// jQuery does not return reliable result for IE
if (IE) {
offsetWidth = Math.max(document.documentElement.offsetWidth, document.body.offsetWidth);
if (D.width() > offsetWidth) {
width = D.width();
}
} else if (D.width() > W.width()) {
width = D.width();
}
this.overlay.width(width).height(D.height());
},
// This is where we can manipulate DOM, because later it would cause iframes to reload
onReady: function (opts, obj) {
var overlay = this.overlay;
$('.fancybox-overlay').stop(true, true);
if (!overlay) {
this.create(opts);
}
if (opts.locked && this.fixed && obj.fixed) {
if (!overlay) {
this.margin = D.height() > W.height() ? $('html').css('margin-right').replace("px", "") : false;
}
obj.locked = this.overlay.append(obj.wrap);
obj.fixed = false;
}
if (opts.showEarly === true) {
this.beforeShow.apply(this, arguments);
}
},
beforeShow: function (opts, obj) {
var scrollV, scrollH;
if (obj.locked) {
if (this.margin !== false) {
$('*').filter(function () {
return ($(this).css('position') === 'fixed' && !$(this).hasClass("fancybox-overlay") && !$(this).hasClass("fancybox-wrap") );
}).addClass('fancybox-margin');
this.el.addClass('fancybox-margin');
}
scrollV = W.scrollTop();
scrollH = W.scrollLeft();
this.el.addClass('fancybox-lock');
W.scrollTop(scrollV).scrollLeft(scrollH);
}
this.open(opts);
},
onUpdate: function () {
if (!this.fixed) {
this.update();
}
},
afterClose: function (opts) {
// Remove overlay if exists and fancyBox is not opening
// (e.g., it is not being open using afterClose callback)
//if (this.overlay && !F.isActive) {
if (this.overlay && !F.coming) {
this.overlay.fadeOut(opts.speedOut, $.proxy(this.close, this));
}
}
};
/*
* Title helper
*/
F.helpers.title = {
defaults: {
type: 'float', // 'float', 'inside', 'outside' or 'over',
position: 'bottom' // 'top' or 'bottom'
},
beforeShow: function (opts) {
var current = F.current,
text = current.title,
type = opts.type,
title,
target;
if ($.isFunction(text)) {
text = text.call(current.element, current);
}
if (!isString(text) || $.trim(text) === '') {
return;
}
title = $('<div class="fancybox-title fancybox-title-' + type + '-wrap">' + text + '</div>');
switch (type) {
case 'inside':
target = F.skin;
break;
case 'outside':
target = F.wrap;
break;
case 'over':
target = F.inner;
break;
default: // 'float'
target = F.skin;
title.appendTo('body');
if (IE) {
title.width(title.width());
}
title.wrapInner('<span class="child"></span>');
//Increase bottom margin so this title will also fit into viewport
F.current.margin[2] += Math.abs(getScalar(title.css('margin-bottom')));
break;
}
title[ (opts.position === 'top' ? 'prependTo' : 'appendTo') ](target);
}
};
// jQuery plugin initialization
$.fn.fancybox = function (options) {
var index,
that = $(this),
selector = this.selector || '',
run = function (e) {
var what = $(this).blur(), idx = index, relType, relVal;
if (!(e.ctrlKey || e.altKey || e.shiftKey || e.metaKey) && !what.is('.fancybox-wrap')) {
relType = options.groupAttr || 'data-fancybox-group';
relVal = what.attr(relType);
if (!relVal) {
relType = 'rel';
relVal = what.get(0)[ relType ];
}
if (relVal && relVal !== '' && relVal !== 'nofollow') {
what = selector.length ? $(selector) : that;
what = what.filter('[' + relType + '="' + relVal + '"]');
idx = what.index(this);
}
options.index = idx;
// Stop an event from bubbling if everything is fine
if (F.open(what, options) !== false) {
e.preventDefault();
}
}
};
options = options || {};
index = options.index || 0;
if (!selector || options.live === false) {
that.unbind('click.fb-start').bind('click.fb-start', run);
} else {
D.undelegate(selector, 'click.fb-start').delegate(selector + ":not('.fancybox-item, .fancybox-nav')", 'click.fb-start', run);
}
this.filter('[data-fancybox-start=1]').trigger('click');
return this;
};
// Tests that need a body at doc ready
D.ready(function () {
var w1, w2;
if ($.scrollbarWidth === undefined) {
// http://benalman.com/projects/jquery-misc-plugins/#scrollbarwidth
$.scrollbarWidth = function () {
var parent = $('<div style="width:50px;height:50px;overflow:auto"><div/></div>').appendTo('body'),
child = parent.children(),
width = child.innerWidth() - child.height(99).innerWidth();
parent.remove();
return width;
};
}
if ($.support.fixedPosition === undefined) {
$.support.fixedPosition = (function () {
var elem = $('<div style="position:fixed;top:20px;"></div>').appendTo('body'),
fixed = ( elem[0].offsetTop === 20 || elem[0].offsetTop === 15 );
elem.remove();
return fixed;
}());
}
$.extend(F.defaults, {
scrollbarWidth: $.scrollbarWidth(),
fixed: $.support.fixedPosition,
parent: $('body')
});
//Get real width of page scroll-bar
w1 = $(window).width();
H.addClass('fancybox-lock-test');
w2 = $(window).width();
H.removeClass('fancybox-lock-test');
$("<style type='text/css'>.fancybox-margin{margin-right:" + (w2 - w1) + "px;}</style>").appendTo("head");
});
}(window, document, jQuery));