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jquery.fancybox.js
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jquery.fancybox.js
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/*!
* fancyBox - jQuery Plugin
* version: 2.1.4 (Thu, 17 Jan 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 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: '2.1.4',
defaults: {
padding : 15,
margin : 20,
width : 800,
height : 600,
minWidth : 100,
minHeight : 100,
maxWidth : 9999,
maxHeight : 9999,
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])) {
opts = $.extend(true, {}, F.helpers[helper].defaults, opts);
F.helpers[helper][event](opts, obj);
}
});
}
D.trigger(event);
},
isImage: function (str) {
return isString(str) && str.match(/(^data:image\/.*,)|(\.(jp(e|g|eg)|gif|png|bmp|webp)((\?|#).*)?$)/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 neccessary 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.coming.height = this.height;
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) {}
});