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jquery.fancybox.js
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// ==================================================
// fancyBox v3.2.10
//
// Licensed GPLv3 for open source use
// or fancyBox Commercial License for commercial use
//
// http://fancyapps.com/fancybox/
// Copyright 2017 fancyApps
//
// ==================================================
;(function (window, document, $, undefined) {
'use strict';
// If there's no jQuery, fancyBox can't work
// =========================================
if ( !$ ) {
return;
}
// Check if fancyBox is already initialized
// ========================================
if ( $.fn.fancybox ) {
if ( 'console' in window ) {
console.log( 'fancyBox already initialized' );
}
return;
}
// Private default settings
// ========================
var defaults = {
// Enable infinite gallery navigation
loop : false,
// Space around image, ignored if zoomed-in or viewport width is smaller than 800px
margin : [44, 0],
// Horizontal space between slides
gutter : 50,
// Enable keyboard navigation
keyboard : true,
// Should display navigation arrows at the screen edges
arrows : true,
// Should display infobar (counter and arrows at the top)
infobar : true,
// Should display toolbar (buttons at the top)
toolbar : true,
// What buttons should appear in the top right corner.
// Buttons will be created using templates from `btnTpl` option
// and they will be placed into toolbar (class="fancybox-toolbar"` element)
buttons : [
'slideShow',
'fullScreen',
'thumbs',
'share',
//'download',
//'zoom',
'close'
],
// Detect "idle" time in seconds
idleTime : 3,
// Should display buttons at top right corner of the content
// If 'auto' - they will be created for content having type 'html', 'inline' or 'ajax'
// Use template from `btnTpl.smallBtn` for customization
smallBtn : 'auto',
// Disable right-click and use simple image protection for images
protect : false,
// Shortcut to make content "modal" - disable keyboard navigtion, hide buttons, etc
modal : false,
image : {
// Wait for images to load before displaying
// Requires predefined image dimensions
// If 'auto' - will zoom in thumbnail if 'width' and 'height' attributes are found
preload : "auto"
},
ajax : {
// Object containing settings for ajax request
settings : {
// This helps to indicate that request comes from the modal
// Feel free to change naming
data : {
fancybox : true
}
}
},
iframe : {
// Iframe template
tpl : '<iframe id="fancybox-frame{rnd}" name="fancybox-frame{rnd}" class="fancybox-iframe" frameborder="0" vspace="0" hspace="0" webkitAllowFullScreen mozallowfullscreen allowFullScreen allowtransparency="true" src=""></iframe>',
// Preload iframe before displaying it
// This allows to calculate iframe content width and height
// (note: Due to "Same Origin Policy", you can't get cross domain data).
preload : true,
// Custom CSS styling for iframe wrapping element
// You can use this to set custom iframe dimensions
css : {},
// Iframe tag attributes
attr : {
scrolling : 'auto'
}
},
// Default content type if cannot be detected automatically
defaultType : 'image',
// Open/close animation type
// Possible values:
// false - disable
// "zoom" - zoom images from/to thumbnail
// "fade"
// "zoom-in-out"
//
animationEffect : "zoom",
// Duration in ms for open/close animation
animationDuration : 500,
// Should image change opacity while zooming
// If opacity is "auto", then opacity will be changed if image and thumbnail have different aspect ratios
zoomOpacity : "auto",
// Transition effect between slides
//
// Possible values:
// false - disable
// "fade'
// "slide'
// "circular'
// "tube'
// "zoom-in-out'
// "rotate'
//
transitionEffect : "fade",
// Duration in ms for transition animation
transitionDuration : 366,
// Custom CSS class for slide element
slideClass : '',
// Custom CSS class for layout
baseClass : '',
// Base template for layout
baseTpl :
'<div class="fancybox-container" role="dialog" tabindex="-1">' +
'<div class="fancybox-bg"></div>' +
'<div class="fancybox-inner">' +
'<div class="fancybox-infobar">' +
'<span data-fancybox-index></span> / <span data-fancybox-count></span>' +
'</div>' +
'<div class="fancybox-toolbar">{{buttons}}</div>' +
'<div class="fancybox-navigation">{{arrows}}</div>' +
'<div class="fancybox-stage"></div>' +
'<div class="fancybox-caption-wrap"><div class="fancybox-caption"></div></div>' +
'</div>' +
'</div>',
// Loading indicator template
spinnerTpl : '<div class="fancybox-loading"></div>',
// Error message template
errorTpl : '<div class="fancybox-error"><p>{{ERROR}}<p></div>',
btnTpl : {
download : '<a download data-fancybox-download class="fancybox-button fancybox-button--download" title="{{DOWNLOAD}}">' +
'<svg viewBox="0 0 40 40">' +
'<path d="M20,23 L20,8 L20,23 L13,16 L20,23 L27,16 L20,23 M26,28 L13,28 L27,28 L14,28" />' +
'</svg>' +
'</a>',
zoom : '<button data-fancybox-zoom class="fancybox-button fancybox-button--zoom" title="{{ZOOM}}">' +
'<svg viewBox="0 0 40 40">' +
'<path d="M 18,17 m-8,0 a 8,8 0 1,0 16,0 a 8,8 0 1,0 -16,0 M25,23 L31,29 L25,23" />' +
'</svg>' +
'</button>',
close : '<button data-fancybox-close class="fancybox-button fancybox-button--close" title="{{CLOSE}}">' +
'<svg viewBox="0 0 40 40">' +
'<path d="M10,10 L30,30 M30,10 L10,30" />' +
'</svg>' +
'</button>',
// This small close button will be appended to your html/inline/ajax content by default,
// if "smallBtn" option is not set to false
smallBtn : '<button data-fancybox-close class="fancybox-close-small" title="{{CLOSE}}"></button>',
// Arrows
arrowLeft : '<button data-fancybox-prev class="fancybox-button fancybox-button--arrow_left" title="{{PREV}}">' +
'<svg viewBox="0 0 40 40">' +
'<path d="M10,20 L30,20 L10,20 L18,28 L10,20 L18,12 L10,20"></path>' +
'</svg>' +
'</button>',
arrowRight : '<button data-fancybox-next class="fancybox-button fancybox-button--arrow_right" title="{{NEXT}}">' +
'<svg viewBox="0 0 40 40">' +
'<path d="M30,20 L10,20 L30,20 L22,28 L30,20 L22,12 L30,20"></path>' +
'</svg>' +
'</button>'
},
// Container is injected into this element
parentEl : 'body',
// Focus handling
// ==============
// Try to focus on the first focusable element after opening
autoFocus : false,
// Put focus back to active element after closing
backFocus : true,
// Do not let user to focus on element outside modal content
trapFocus : true,
// Module specific options
// =======================
fullScreen : {
autoStart : false,
},
// Set `touch: false` to disable dragging/swiping
touch : {
vertical : true, // Allow to drag content vertically
momentum : true // Continue movement after releasing mouse/touch when panning
},
// Hash value when initializing manually,
// set `false` to disable hash change
hash : null,
// Customize or add new media types
// Example:
/*
media : {
youtube : {
params : {
autoplay : 0
}
}
}
*/
media : {},
slideShow : {
autoStart : false,
speed : 4000
},
thumbs : {
autoStart : false, // Display thumbnails on opening
hideOnClose : true, // Hide thumbnail grid when closing animation starts
parentEl : '.fancybox-container', // Container is injected into this element
axis : 'y' // Vertical (y) or horizontal (x) scrolling
},
// Use mousewheel to navigate gallery
// If 'auto' - enabled for images only
wheel : 'auto',
// Callbacks
//==========
// See Documentation/API/Events for more information
// Example:
/*
afterShow: function( instance, current ) {
console.info( 'Clicked element:' );
console.info( current.opts.$orig );
}
*/
onInit : $.noop, // When instance has been initialized
beforeLoad : $.noop, // Before the content of a slide is being loaded
afterLoad : $.noop, // When the content of a slide is done loading
beforeShow : $.noop, // Before open animation starts
afterShow : $.noop, // When content is done loading and animating
beforeClose : $.noop, // Before the instance attempts to close. Return false to cancel the close.
afterClose : $.noop, // After instance has been closed
onActivate : $.noop, // When instance is brought to front
onDeactivate : $.noop, // When other instance has been activated
// Interaction
// ===========
// Use options below to customize taken action when user clicks or double clicks on the fancyBox area,
// each option can be string or method that returns value.
//
// Possible values:
// "close" - close instance
// "next" - move to next gallery item
// "nextOrClose" - move to next gallery item or close if gallery has only one item
// "toggleControls" - show/hide controls
// "zoom" - zoom image (if loaded)
// false - do nothing
// Clicked on the content
clickContent : function( current, event ) {
return current.type === 'image' ? 'zoom' : false;
},
// Clicked on the slide
clickSlide : 'close',
// Clicked on the background (backdrop) element
clickOutside : 'close',
// Same as previous two, but for double click
dblclickContent : false,
dblclickSlide : false,
dblclickOutside : false,
// Custom options when mobile device is detected
// =============================================
mobile : {
idleTime : false,
margin : 0,
clickContent : function( current, event ) {
return current.type === 'image' ? 'toggleControls' : false;
},
clickSlide : function( current, event ) {
return current.type === 'image' ? 'toggleControls' : 'close';
},
dblclickContent : function( current, event ) {
return current.type === 'image' ? 'zoom' : false;
},
dblclickSlide : function( current, event ) {
return current.type === 'image' ? 'zoom' : false;
}
},
// Internationalization
// ============
lang : 'en',
i18n : {
'en' : {
CLOSE : 'Close',
NEXT : 'Next',
PREV : 'Previous',
ERROR : 'The requested content cannot be loaded. <br/> Please try again later.',
PLAY_START : 'Start slideshow',
PLAY_STOP : 'Pause slideshow',
FULL_SCREEN : 'Full screen',
THUMBS : 'Thumbnails',
DOWNLOAD : 'Download',
SHARE : 'Share',
ZOOM : 'Zoom'
},
'de' : {
CLOSE : 'Schliessen',
NEXT : 'Weiter',
PREV : 'Zurück',
ERROR : 'Die angeforderten Daten konnten nicht geladen werden. <br/> Bitte versuchen Sie es später nochmal.',
PLAY_START : 'Diaschau starten',
PLAY_STOP : 'Diaschau beenden',
FULL_SCREEN : 'Vollbild',
THUMBS : 'Vorschaubilder',
DOWNLOAD : 'Herunterladen',
SHARE : 'Teilen',
ZOOM : 'Maßstab'
}
}
};
// Few useful variables and methods
// ================================
var $W = $(window);
var $D = $(document);
var called = 0;
// Check if an object is a jQuery object and not a native JavaScript object
// ========================================================================
var isQuery = function ( obj ) {
return obj && obj.hasOwnProperty && obj instanceof $;
};
// Handle multiple browsers for "requestAnimationFrame" and "cancelAnimationFrame"
// ===============================================================================
var requestAFrame = (function () {
return window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
// if all else fails, use setTimeout
function (callback) {
return window.setTimeout(callback, 1000 / 60);
};
})();
// Detect the supported transition-end event property name
// =======================================================
var transitionEnd = (function () {
var t, el = document.createElement("fakeelement");
var transitions = {
"transition" : "transitionend",
"OTransition" : "oTransitionEnd",
"MozTransition" : "transitionend",
"WebkitTransition": "webkitTransitionEnd"
};
for (t in transitions) {
if (el.style[t] !== undefined){
return transitions[t];
}
}
return 'transitionend';
})();
// Force redraw on an element.
// This helps in cases where the browser doesn't redraw an updated element properly.
// =================================================================================
var forceRedraw = function( $el ) {
return ( $el && $el.length && $el[0].offsetHeight );
};
// Class definition
// ================
var FancyBox = function( content, opts, index ) {
var self = this;
self.opts = $.extend( true, { index : index }, $.fancybox.defaults, opts || {} );
if ( $.fancybox.isMobile ) {
self.opts = $.extend( true, {}, self.opts, self.opts.mobile );
}
// Exclude buttons option from deep merging
if ( opts && $.isArray( opts.buttons ) ) {
self.opts.buttons = opts.buttons;
}
self.id = self.opts.id || ++called;
self.group = [];
self.currIndex = parseInt( self.opts.index, 10 ) || 0;
self.prevIndex = null;
self.prevPos = null;
self.currPos = 0;
self.firstRun = null;
// Create group elements from original item collection
self.createGroup( content );
if ( !self.group.length ) {
return;
}
// Save last active element and current scroll position
self.$lastFocus = $(document.activeElement).blur();
// Collection of gallery objects
self.slides = {};
self.init();
};
$.extend(FancyBox.prototype, {
// Create DOM structure
// ====================
init : function() {
var self = this,
firstItem = self.group[ self.currIndex ],
firstItemOpts = firstItem.opts,
scrollbarWidth = $.fancybox.scrollbarWidth,
$scrollDiv,
$container,
buttonStr;
self.scrollTop = $D.scrollTop();
self.scrollLeft = $D.scrollLeft();
// Hide scrollbars
// ===============
if ( !$.fancybox.getInstance() ) {
$( 'body' ).addClass( 'fancybox-active' );
// iOS hack
if ( /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream ) {
// iOS has problems for input elements inside fixed containers,
// the workaround is to apply `position: fixed` to `<body>` element,
// unfortunately, this makes it lose the scrollbars and forces address bar to appear.
if ( firstItem.type !== 'image' ) {
$( 'body' ).css( 'top', $( 'body' ).scrollTop() * -1 ).addClass( 'fancybox-iosfix' );
}
} else if ( !$.fancybox.isMobile && document.body.scrollHeight > window.innerHeight ) {
if ( scrollbarWidth === undefined ) {
$scrollDiv = $('<div style="width:50px;height:50px;overflow:scroll;" />').appendTo( 'body' );
scrollbarWidth = $.fancybox.scrollbarWidth = $scrollDiv[0].offsetWidth - $scrollDiv[0].clientWidth;
$scrollDiv.remove();
}
$( 'head' ).append( '<style id="fancybox-style-noscroll" type="text/css">.compensate-for-scrollbar { margin-right: ' + scrollbarWidth + 'px; }</style>' );
$( 'body' ).addClass( 'compensate-for-scrollbar' );
}
}
// Build html markup and set references
// ====================================
// Build html code for buttons and insert into main template
buttonStr = '';
$.each( firstItemOpts.buttons, function( index, value ) {
buttonStr += ( firstItemOpts.btnTpl[ value ] || '' );
});
// Create markup from base template, it will be initially hidden to
// avoid unnecessary work like painting while initializing is not complete
$container = $(
self.translate( self,
firstItemOpts.baseTpl
.replace( '\{\{buttons\}\}', buttonStr )
.replace( '\{\{arrows\}\}', firstItemOpts.btnTpl.arrowLeft + firstItemOpts.btnTpl.arrowRight )
)
)
.attr( 'id', 'fancybox-container-' + self.id )
.addClass( 'fancybox-is-hidden' )
.addClass( firstItemOpts.baseClass )
.data( 'FancyBox', self )
.appendTo( firstItemOpts.parentEl );
// Create object holding references to jQuery wrapped nodes
self.$refs = {
container : $container
};
[ 'bg', 'inner', 'infobar', 'toolbar', 'stage', 'caption', 'navigation' ].forEach(function(item) {
self.$refs[ item ] = $container.find( '.fancybox-' + item );
});
self.trigger( 'onInit' );
// Enable events, deactive previous instances
self.activate();
// Build slides, load and reveal content
self.jumpTo( self.currIndex );
},
// Simple i18n support - replaces object keys found in template
// with corresponding values
// ============================================================
translate : function( obj, str ) {
var arr = obj.opts.i18n[ obj.opts.lang ];
return str.replace(/\{\{(\w+)\}\}/g, function(match, n) {
var value = arr[n];
if ( value === undefined ) {
return match;
}
return value;
});
},
// Create array of gally item objects
// Check if each object has valid type and content
// ===============================================
createGroup : function ( content ) {
var self = this;
var items = $.makeArray( content );
$.each(items, function( i, item ) {
var obj = {},
opts = {},
$item,
type,
found,
src,
srcParts;
// Step 1 - Make sure we have an object
// ====================================
if ( $.isPlainObject( item ) ) {
// We probably have manual usage here, something like
// $.fancybox.open( [ { src : "image.jpg", type : "image" } ] )
obj = item;
opts = item.opts || item;
} else if ( $.type( item ) === 'object' && $( item ).length ) {
// Here we probably have jQuery collection returned by some selector
$item = $( item );
opts = $item.data();
opts = $.extend( {}, opts, opts.options || {} );
// Here we store clicked element
opts.$orig = $item;
obj.src = opts.src || $item.attr( 'href' );
// Assume that simple syntax is used, for example:
// `$.fancybox.open( $("#test"), {} );`
if ( !obj.type && !obj.src ) {
obj.type = 'inline';
obj.src = item;
}
} else {
// Assume we have a simple html code, for example:
// $.fancybox.open( '<div><h1>Hi!</h1></div>' );
obj = {
type : 'html',
src : item + ''
};
}
// Each gallery object has full collection of options
obj.opts = $.extend( true, {}, self.opts, opts );
// Do not merge buttons array
if ( $.isArray( opts.buttons ) ) {
obj.opts.buttons = opts.buttons;
}
// Step 2 - Make sure we have content type, if not - try to guess
// ==============================================================
type = obj.type || obj.opts.type;
src = obj.src || '';
if ( !type && src ) {
if ( src.match(/(^data:image\/[a-z0-9+\/=]*,)|(\.(jp(e|g|eg)|gif|png|bmp|webp|svg|ico)((\?|#).*)?$)/i) ) {
type = 'image';
} else if ( src.match(/\.(pdf)((\?|#).*)?$/i) ) {
type = 'pdf';
} else if ( found = src.match(/\.(mp4|mov|ogv)((\?|#).*)?$/i) ) {
type = 'video';
if ( !obj.opts.videoFormat ) {
obj.opts.videoFormat = 'video/' + ( found[1] === 'ogv' ? 'ogg' : found[1] );
}
} else if ( src.charAt(0) === '#' ) {
type = 'inline';
}
}
if ( type ) {
obj.type = type;
} else {
self.trigger( 'objectNeedsType', obj );
}
// Step 3 - Some adjustments
// =========================
obj.index = self.group.length;
// Check if $orig and $thumb objects exist
if ( obj.opts.$orig && !obj.opts.$orig.length ) {
delete obj.opts.$orig;
}
if ( !obj.opts.$thumb && obj.opts.$orig ) {
obj.opts.$thumb = obj.opts.$orig.find( 'img:first' );
}
if ( obj.opts.$thumb && !obj.opts.$thumb.length ) {
delete obj.opts.$thumb;
}
// "caption" is a "special" option, it can be used to customize caption per gallery item ..
if ( $.type( obj.opts.caption ) === 'function' ) {
obj.opts.caption = obj.opts.caption.apply( item, [ self, obj ] );
}
if ( $.type( self.opts.caption ) === 'function' ) {
obj.opts.caption = self.opts.caption.apply( item, [ self, obj ] );
}
// Make sure we have caption as a string or jQuery object
if ( !( obj.opts.caption instanceof $ ) ) {
obj.opts.caption = obj.opts.caption === undefined ? '' : obj.opts.caption + '';
}
// Check if url contains "filter" used to filter the content
// Example: "ajax.html #something"
if ( type === 'ajax' ) {
srcParts = src.split(/\s+/, 2);
if ( srcParts.length > 1 ) {
obj.src = srcParts.shift();
obj.opts.filter = srcParts.shift();
}
}
if ( obj.opts.smallBtn == 'auto' ) {
if ( $.inArray( type, ['html', 'inline', 'ajax'] ) > -1 ) {
obj.opts.toolbar = false;
obj.opts.smallBtn = true;
} else {
obj.opts.smallBtn = false;
}
}
// If the type is "pdf", then simply load file into iframe
if ( type === 'pdf' ) {
obj.type = 'iframe';
obj.opts.iframe.preload = false;
}
// Hide all buttons and disable interactivity for modal items
if ( obj.opts.modal ) {
obj.opts = $.extend(true, obj.opts, {
// Remove buttons
infobar : 0,
toolbar : 0,
smallBtn : 0,
// Disable keyboard navigation
keyboard : 0,
// Disable some modules
slideShow : 0,
fullScreen : 0,
thumbs : 0,
touch : 0,
// Disable click event handlers
clickContent : false,
clickSlide : false,
clickOutside : false,
dblclickContent : false,
dblclickSlide : false,
dblclickOutside : false
});
}
// Step 4 - Add processed object to group
// ======================================
self.group.push( obj );
});
},
// Attach an event handler functions for:
// - navigation buttons
// - browser scrolling, resizing;
// - focusing
// - keyboard
// - detect idle
// ======================================
addEvents : function() {
var self = this;
self.removeEvents();
// Make navigation elements clickable
self.$refs.container.on('click.fb-close', '[data-fancybox-close]', function(e) {
e.stopPropagation();
e.preventDefault();
self.close( e );
}).on( 'click.fb-prev touchend.fb-prev', '[data-fancybox-prev]', function(e) {
e.stopPropagation();
e.preventDefault();
self.previous();
}).on( 'click.fb-next touchend.fb-next', '[data-fancybox-next]', function(e) {
e.stopPropagation();
e.preventDefault();
self.next();
}).on( 'click.fb', '[data-fancybox-zoom]', function(e) {
// Click handler for zoom button
self[ self.isScaledDown() ? 'scaleToActual' : 'scaleToFit' ]();
});
// Handle page scrolling and browser resizing
$W.on('orientationchange.fb resize.fb', function(e) {
if ( e && e.originalEvent && e.originalEvent.type === "resize" ) {
requestAFrame(function() {
self.update();
});
} else {
self.$refs.stage.hide();
setTimeout(function() {
self.$refs.stage.show();
self.update();
}, 600);
}
});
// Trap keyboard focus inside of the modal, so the user does not accidentally tab outside of the modal
// (a.k.a. "escaping the modal")
$D.on('focusin.fb', function(e) {
var instance = $.fancybox ? $.fancybox.getInstance() : null;
if ( instance.isClosing || !instance.current || !instance.current.opts.trapFocus || $( e.target ).hasClass( 'fancybox-container' ) || $( e.target ).is( document ) ) {
return;
}
if ( instance && $( e.target ).css( 'position' ) !== 'fixed' && !instance.$refs.container.has( e.target ).length ) {
e.stopPropagation();
instance.focus();
// Sometimes page gets scrolled, set it back
$W.scrollTop( self.scrollTop ).scrollLeft( self.scrollLeft );
}
});
// Enable keyboard navigation
$D.on('keydown.fb', function (e) {
var current = self.current,
keycode = e.keyCode || e.which;
if ( !current || !current.opts.keyboard ) {
return;
}
if ( $(e.target).is('input') || $(e.target).is('textarea') ) {
return;
}
// Backspace and Esc keys
if ( keycode === 8 || keycode === 27 ) {
e.preventDefault();
self.close( e );
return;
}
// Left arrow and Up arrow
if ( keycode === 37 || keycode === 38 ) {
e.preventDefault();
self.previous();
return;
}
// Righ arrow and Down arrow
if ( keycode === 39 || keycode === 40 ) {
e.preventDefault();
self.next();
return;
}
self.trigger('afterKeydown', e, keycode);
});
// Hide controls after some inactivity period
if ( self.group[ self.currIndex ].opts.idleTime ) {
self.idleSecondsCounter = 0;
$D.on('mousemove.fb-idle mouseleave.fb-idle mousedown.fb-idle touchstart.fb-idle touchmove.fb-idle scroll.fb-idle keydown.fb-idle', function(e) {
self.idleSecondsCounter = 0;
if ( self.isIdle ) {
self.showControls();
}
self.isIdle = false;
});
self.idleInterval = window.setInterval(function() {
self.idleSecondsCounter++;
if ( self.idleSecondsCounter >= self.group[ self.currIndex ].opts.idleTime && !self.isDragging ) {
self.isIdle = true;
self.idleSecondsCounter = 0;
self.hideControls();
}
}, 1000);
}
},
// Remove events added by the core
// ===============================
removeEvents : function() {
var self = this;
$W.off( 'orientationchange.fb resize.fb' );
$D.off( 'focusin.fb keydown.fb .fb-idle' );
this.$refs.container.off( '.fb-close .fb-prev .fb-next' );