Файл: магазин/e-proger/photobox/jquery.photobox.js
Строк: 1547
<?php
/*!
photobox v1.9.2
(c) 2012 Yair Even Or
Do not sell this software or use it as part of a package which is sold
*/
;(function($, doc, win){
"use strict";
var Photobox, photobox, options, images=[], imageLinks, activeImage = -1, activeURL, lastActive, activeType, prevImage, nextImage, thumbsStripe, docElm, APControl, changeImage,
$doc = $(doc),
$win = $(win),
isOldIE = !('placeholder' in doc.createElement('input')),
noPointerEvents = (function(){ var el = $('<p>')[0]; el.style.cssText = 'pointer-events:auto'; return !el.style.pointerEvents})(),
isTouchDevice = false, // assume "false" unless there's a touch
thumbsContainerWidth, thumbsTotalWidth, activeThumb = $(),
blankImg = "data:image/gif;base64,R0lGODlhAQABAIAAAP///////yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==",
transformOrigin = getPrefixed('transformOrigin'),
transition = getPrefixed('transition'),
transitionend = "transitionend webkitTransitionEnd oTransitionEnd otransitionend",
// Normalize rAF
raf = window.requestAnimationFrame
|| window.webkitRequestAnimationFrame
|| window.mozRequestAnimationFrame
|| window.msRequestAnimationFrame
|| function(cb) { return window.setTimeout(cb, 1000 / 60); },
// Preload images
preload = {}, preloadPrev = new Image(), preloadNext = new Image(),
// DOM elements
closeBtn, image, video, prevBtn, nextBtn, thumbsToggler, caption, captionText, pbLoader, autoplayBtn, thumbs, wrapper,
defaults = {
single : false, // if "true" - gallery will only show a single image, with no way to navigate
beforeShow : null, // Callback before showing an image
afterClose : null, // Callback after closing the gallery
loop : true, // Allows to navigate between first and last images
thumb : null, // A relative path from the link to the thumbnail (if it's not inside the link)
thumbs : true, // Show gallery thumbnails below the presented photo
thumbAttr : 'data-src', // Attribute to get the image for the thumbnail from
captionTmpl : '<div class="title">{title}</div><div class="counter">({currentImageIdx}/{totalImagesCount})</div>',
autoplay : false, // should autoplay on first time or not
time : 3000, // autoplay interval, in miliseconds (less than 1000 will hide the autoplay button)
history : false, // should use history hashing if possible (HTML5 API)
hideFlash : true, // Hides flash elements on the page when photobox is activated. NOTE: flash elements must have wmode parameter set to "opaque" or "transparent" if this is set to false
zoomable : true, // disable/enable mousewheel image zooming
rotatable : true, // allow rotation of the image
wheelNextPrev : true, // change image using mousewheel left/right
keys : {
close : [27, 88, 67], // keycodes to close photobox, default: esc (27), 'x' (88), 'c' (67)
prev : [37, 80], // keycodes to navigate to the previous image, default: Left arrow (37), 'p' (80)
next : [39, 78] // keycodes to navigate to the next image, default: Right arrow (39), 'n' (78)
}
},
// DOM structure
overlay = $('<div id="pbOverlay">').append(
thumbsToggler = $('<input type="checkbox" id="pbThumbsToggler" checked hidden>'),
pbLoader = $('<div class="pbLoader"><b></b><b></b><b></b></div>'),
prevBtn = $('<div id="pbPrevBtn" class="prevNext"><b></b></div>').on('click', next_prev),
nextBtn = $('<div id="pbNextBtn" class="prevNext"><b></b></div>').on('click', next_prev),
wrapper = $('<div class="pbWrapper">').append( // gives Perspective
image = $('<img>'),
video = $('<div class="pbVideo">')
),
closeBtn = $('<div id="pbCloseBtn">').on('click', close)[0],
autoplayBtn = $('<div id="pbAutoplayBtn">').append(
$('<div class="pbProgress">')
),
caption = $('<div id="pbCaption">').append(
'<label for="pbThumbsToggler" title="Show/hide thumbnails"></label>',
'<button title="Rotate right" class="rotateBtn">⟳</button>',
captionText = $('<div class="pbCaptionText">'),
thumbs = $('<div>').addClass('pbThumbs')
)
);
///////////////////////////////////////////////
// Should remove this and use underscore/lodash if possible
function throttle(callback, duration){
var wait = false;
return function(){
if( !wait ){
callback.call();
wait = true;
setTimeout(function(){wait = false; }, duration);
}
}
}
///////////////////////////////////////////////
// Initialization (on DOM ready)
function prepareDOM( force ){
// do not procceed if already called, unless forced to
if( document.contains(overlay[0]) && !force )
return;
noPointerEvents && overlay.hide();
$doc.on('touchstart.testMouse', function(){
$doc.off('touchstart.testMouse');
isTouchDevice = true;
overlay.addClass('mobile');
});
autoplayBtn.off().on('click', APControl.toggle);
// attach a delegated event on the thumbs container
thumbs.off().on('click', 'a', thumbsStripe.click);
// if useragent is IE < 10 (user deserves a slap on the face, but I gotta support them still...)
isOldIE && overlay.addClass('msie');
// cancel prorogation up to the overlay container so it won't close
overlay.off().on('click', 'img', function(e){
e.stopPropagation();
});
$(doc.body).append(overlay);
// need this for later:
docElm = doc.documentElement;
}
// @param [List of elements to work on, Custom settings, Callback after image is loaded]
$.fn.photobox = function(target, settings, callback){
prepareDOM();
return this.each(function(){
var PB_data = $(this).data('_photobox');
if( PB_data ){ // don't initiate the plugin more than once on the same element
if( target === 'destroy')
PB_data.destroy();
return this;
}
if( typeof target != 'string' )
target = 'a';
if( target === 'prepareDOM' ){
prepareDOM( true );
return this;
}
// merge the user settings with the default settings object
settings = $.extend({}, defaults, settings || {});
// create an instance og Photobox
photobox = new Photobox(settings, this, target);
// Saves the insance on the gallery's target element
$(this).data('_photobox', photobox);
// add a callback to the specific gallery
photobox.callback = callback;
});
}
Photobox = function(_options, object, target){
this.options = $.extend({}, _options);
this.target = target;
this.selector = $(object || doc);
this.thumbsList = null;
// filter the links which actually HAS an image as a child
var filtered = this.imageLinksFilter( this.selector.find(target) );
this.imageLinks = filtered[0]; // Array of jQuery links
this.images = filtered[1]; // 2D Array of image URL & title
this.init();
};
Photobox.prototype = {
init : function(){
// Cache DOM elements for this instance
this.DOM = this.DOM();
this.DOM.rotateBtn.toggleClass('show', this.options.rotatable);
// if any node was added or removed from the Selector of the gallery
this.observerTimeout = null;
this.events.binding.call(this);
},
// happens only once
DOM : function(){
var DOM = {}
DOM.scope = overlay;
DOM.rotateBtn = DOM.scope.find('.rotateBtn');
return DOM;
},
//check if DOM nodes were added or removed, to re-build the imageLinks and thumbnails
observeDOM : (function(){
var MutationObserver = win.MutationObserver || win.WebKitMutationObserver,
eventListenerSupported = win.addEventListener;
return function(obj, callback){
if( MutationObserver ){
var that = this,
// define a new observer
obs = new MutationObserver(function(mutations, observer){
if( mutations[0].addedNodes.length || mutations[0].removedNodes.length )
callback(that);
});
// have the observer observe for changes in children
obs.observe( obj, { childList:true, subtree:true });
}
else if( eventListenerSupported ){
obj.addEventListener('DOMNodeInserted', $.proxy( callback, that ), false);
obj.addEventListener('DOMNodeRemoved', $.proxy( callback, that ), false);
}
}
})(),
open : function(link){
var startImage = $.inArray(link, this.imageLinks);
// if image link does not exist in the imageLinks array (probably means it's not a valid part of the gallery)
if( startImage == -1 )
return false;
// load the right gallery selector...
options = this.options;
images = this.images;
imageLinks = this.imageLinks;
photobox = this;
this.setup(1);
overlay.on(transitionend, function(){
overlay.off(transitionend).addClass('on'); // class 'on' is set when the initial fade-in of the overlay is done
changeImage(startImage, true);
}).addClass('show');
if( isOldIE )
overlay.trigger('MSTransitionEnd');
return false;
},
imageLinksFilter : function(linksObj){
var that = this,
images = [],
caption = {},
captionlink;
function linksObjFiler(i){
// search for the thumb inside the link, if not found then see if there's a 'that.settings.thumb' pointer to the thumbnail
var link = $(this),
thumbImg,
thumbSrc = '';
caption.content = link[0].getAttribute('title') || '';
if( that.options.thumb )
thumbImg = link.find(that.options.thumb)[0];
// try a direct child lookup
if( !that.options.thumb || !thumbImg )
thumbImg = link.find('img')[0];
// if no img child found in the link
if( thumbImg ){
captionlink = thumbImg.getAttribute('data-pb-captionlink');
thumbSrc = thumbImg.getAttribute(that.options.thumbAttr) || thumbImg.getAttribute('src');
caption.content = ( thumbImg.getAttribute('alt') || thumbImg.getAttribute('title') || '');
}
// if there is a caption link to be added:
if( captionlink ){
captionlink = captionlink.split('[');
// parse complex links: text[www.site.com]
if( captionlink.length == 2 ){
caption.linkText = captionlink[0];
caption.linkHref = captionlink[1].slice(0,-1);
}
else{
caption.linkText = captionlink;
caption.linkHref = captionlink;
}
caption.content += ' <a href="'+ caption.linkHref +'">' + caption.linkText + '</a>';
}
images.push( [link[0].href, caption.content, thumbSrc] );
return true;
}
return [linksObj.filter(linksObjFiler), images];
},
// things that should happen every time the gallery opens or closes (some messed up code below..)
setup : function (open){
var fn = open ? "on" : "off";
// thumbs stuff
if( options.thumbs ){
if( !isTouchDevice ){
thumbs[fn]('mouseenter.photobox', thumbsStripe.calc)
[fn]('mousemove.photobox', thumbsStripe.move);
}
}
if( open ){
image.css({'transition':'0s'}).removeAttr('style'); // reset any transition that might be on the element (yes it's ugly)
overlay.show();
// Clean up if another gallery was viewed before, which had a thumbsList
thumbs
.html( this.thumbsList )
.trigger('mouseenter.photobox');
if( options.thumbs ){
overlay.addClass('thumbs');
}
else{
thumbsToggler.prop('checked', false);
overlay.removeClass('thumbs');
}
// things to hide if there are less than 2 images
if( this.images.length < 2 || options.single )
overlay.removeClass('thumbs hasArrows hasCounter hasAutoplay');
else{
overlay.addClass('hasArrows hasCounter')
// check is the autoplay button should be visible (per gallery) and if so, should it autoplay or not.
if( options.time > 1000 ){
overlay.addClass('hasAutoplay');
if( options.autoplay )
APControl.progress.start();
else
APControl.pause();
}
else
overlay.removeClass('hasAutoplay');
}
options.hideFlash && $('iframe, object, embed').css('visibility', 'hidden');
} else {
$win.off('resize.photobox');
}
$doc.off("keydown.photobox")[fn]({ "keydown.photobox": keyDown });
if( isTouchDevice ){
overlay.removeClass('hasArrows'); // no need for Arrows on touch-enabled
wrapper[fn]('swipe', onSwipe);
}
if( options.zoomable ){
overlay[fn]({"mousewheel.photobox": $.proxy(this.events.callbacks.onScrollZoom, this) });
if( !isOldIE) thumbs[fn]({"mousewheel.photobox": thumbsResize });
}
if( !options.single && options.wheelNextPrev ){
overlay[fn]({"mousewheel.photobox": throttle(wheelNextPrev,1000) });
}
},
destroy : function(){
options = this.options;
this.selector
.off('click.photobox', this.target)
.removeData('_photobox');
close();
},
events : {
binding : function(){
var that = this;
// only generates the thumbStripe once, and listen for any DOM changes on the selector element, if so, re-generate
// This is done on "mouseenter" so images will not get called unless it's liekly that they would be needed
this.selector.one('mouseenter.photobox', this.target, function(e){
that.thumbsList = thumbsStripe.generate.apply(that);
});
this.selector.on('click.photobox', this.target, function(e){
e.preventDefault();
that.open(this);
});
if( !isOldIE && this.selector[0].nodeType == 1 ) // observe normal nodes
this.observeDOM( this.selector[0], $.proxy( this.events.callbacks.onDOMchanges, this ));
this.DOM.rotateBtn.on('click', this.events.callbacks.onRotateBtnClick);
},
callbacks : {
onDOMchanges : function(){
var that = this;
// use a timeout to prevent more than one DOM change event firing at once, and also to overcome the fact that IE's DOMNodeRemoved is fired BEFORE elements were actually removed
clearTimeout(this.observerTimeout);
that.observerTimeout = setTimeout( function(){
var filtered = that.imageLinksFilter( that.selector.find(that.target) ),
activeIndex = 0,
isActiveUrl = false,
i;
// Make sure that ONLY DOM changes in the photobox number of items will trigger a change
if(that.imageLinks.length == filtered[0].length)
return;
that.imageLinks = filtered[0];
that.images = filtered[1];
// if photobox is opened
if( photobox ){
// if gallery which was changed is the currently viewed one:
if( that.selector == photobox.selector ){
images = that.images;
imageLinks = that.imageLinks;
// check if the currently VIEWED photo has been detached from a photobox set
// if so, remove navigation arrows
// TODO: fix the "images" to be an object and not an array.
for( i = images.length; i--; ){
if( images[i][0] == activeURL )
isActiveUrl = true;
// if not exits any more
}
// if( isActiveUrl ){
// overlay.removeClass('hasArrows');
// }
}
}
// if this gallery has thumbs
//if( that.options.thumbs ){
that.thumbsList = thumbsStripe.generate.apply(that);
thumbs.html( that.thumbsList );
//}
if( that.images.length && activeURL && that.options.thumbs ){
activeIndex = that.thumbsList.find('a[href="'+activeURL+'"]').eq(0).parent().index();
if( activeIndex == -1 )
activeIndex = 0;
// updateIndexes(activeIndex);
thumbsStripe.changeActive(activeIndex, 0);
}
}, 50);
},
onRotateBtnClick : function(){
var rotation = image.data('rotation') || 0, // in "deg"
imgScale = image.data('zoom') || 1
rotation += 90;
image.removeClass('zoomable').addClass('rotating');
image.css('transform', 'rotate('+ rotation +'deg) scale('+ imgScale + ')')
.data('rotation', rotation)
.on(transitionend, function(){
image.addClass('zoomable').removeClass('rotating');
});
},
onScrollZoom : function(e, deltaY, deltaX){
if( deltaX ) return false;
var that = this;
if( activeType == 'video' ){
var zoomLevel = video.data('zoom') || 1;
zoomLevel += (deltaY / 10);
if( zoomLevel < 0.5 )
return false;
video.data('zoom', zoomLevel).css({width:624*zoomLevel, height:351*zoomLevel});
}
else{
raf(function() {
var zoomLevel = image.data('zoom') || 1,
rotation = image.data('rotation') || 0,
position = image.data('position') || '50% 50%',
boundingClientRect = image[0].getBoundingClientRect(),
value;
zoomLevel += (deltaY / 10);
if( zoomLevel < 0.1 )
zoomLevel = 0.1;
image.data('zoom', zoomLevel);
value = 'scale('+ zoomLevel +') rotate('+ rotation +'deg)';
// if the image was zoomed and now is larger than the window size, allow mouse movemenet reposition
if( boundingClientRect.height > docElm.clientHeight || boundingClientRect.width > docElm.clientWidth ){
$doc.on('mousemove.photobox', that.events.callbacks.onMouseMoveimageReposition);
value += ' translate('+ position +')';
}
else{
$doc.off('mousemove.photobox');
// image[0].style[transformOrigin] = '50% 50%';
}
image.css({ 'transform':value });
});
}
return false;
},
// moves the image around during zoom mode on mousemove event
onMouseMoveimageReposition : function(e){
raf(function() {
var //y = (e.clientY / docElm.clientHeight) * (docElm.clientHeight + 200) - 100, // extend the range of the Y axis by 100 each side
sensitivity = 1.5, // 1 = same as mouse more, and higher value is less sensitive to mouse move
yDelta = (e.clientY / docElm.clientHeight * 100 - 50) / sensitivity, // subtract 50 because the real center is at "0%"
xDelta = (e.clientX / docElm.clientWidth * 100 - 50) / sensitivity, // subtract 50 because the real center is at "0%"
position,
rotationAngel = image.data('rotation') || 0,
rotation = (rotationAngel/90)%4 || 0,
imgScale = image.data('zoom') || 1;
if( rotation == 1 || rotation == 3 )
position = yDelta.toFixed(2)+'%, ' + -xDelta.toFixed(2) +'%';
else
position = xDelta.toFixed(2)+'%, ' + yDelta.toFixed(2) +'%';
image.data('position', position);
// image[0].style[transformOrigin] = origin;
image[0].style.transform = 'rotate('+ rotationAngel +'deg) scale('+ imgScale + ') translate(' + position + ')';
});
}
}
}
}
// on touch-devices only
function onSwipe(e, Dx, Dy){
if( Dx == 1 ){
image.css({transform:'translateX(25%)', transition:'.2s', opacity:0});
setTimeout(function(){ changeImage(prevImage) }, 200);
}
else if( Dx == -1 ){
image.css({transform:'translateX(-25%)', transition:'.2s', opacity:0});
setTimeout(function(){ changeImage(nextImage) }, 200);
}
if( Dy == 1 )
thumbsToggler.prop('checked', true);
else if( Dy == -1 )
thumbsToggler.prop('checked', false);
}
// manage the (bottom) thumbs strip
thumbsStripe = (function(){
var containerWidth = 0,
scrollWidth = 0,
posFromLeft = 0, // Stripe position from the left of the screen
stripePos = 0, // When relative mouse position inside the thumbs stripe
animated = null,
padding, // in percentage to the containerWidth
el, $el, ratio, scrollPos, pos;
return{
// returns a <ul> element which is populated with all the gallery links and thumbs
generate : function(){
var thumbsList = $('<ul>'),
elements = [],
len = this.imageLinks.length,
title, thumbSrc, link, type, i;
for( i = 0; i < len; i++ ){
link = this.imageLinks[i];
thumbSrc = this.images[i][2];
// continue if has thumb
if( !thumbSrc )
continue;
title = this.images[i][1];
type = link.rel ? " class='" + link.rel +"'" : '';
elements.push('<li'+ type +'><a href="'+ link.href +'"><img src="'+ thumbSrc +'" alt="" title="'+ title +'" /></a></li>');
};
thumbsList.html( elements.join('') );
return thumbsList;
},
click : function(e){
e.preventDefault();
activeThumb.removeClass('active');
activeThumb = $(this).parent().addClass('active');
var imageIndex = $(this.parentNode).index();
return changeImage(imageIndex, 0, 1);
},
changeActiveTimeout : null,
/** Highlights the thumb which represents the photo and centres the thumbs viewer on it.
** @thumbClick - if a user clicked on a thumbnail, don't center on it
*/
changeActive : function(index, delay, thumbClick){
if( !options.thumbs )
return;
var lastIndex = activeThumb.index();
activeThumb.removeClass('active');
activeThumb = thumbs.find('li').eq(index).addClass('active');
if( thumbClick || !activeThumb[0] ) return;
// set the scrollLeft position of the thumbs list to show the active thumb
clearTimeout(this.changeActiveTimeout);
// give the images time to to settle on their new sizes (because of css transition) and then calculate the center...
this.changeActiveTimeout = setTimeout(
function(){
var pos = activeThumb[0].offsetLeft + activeThumb[0].clientWidth/2 - docElm.clientWidth/2;
delay ? thumbs.delay(800) : thumbs.stop();
thumbs.animate({scrollLeft: pos}, 500, 'swing');
}, 200);
},
// calculate the thumbs container width, if the window has been resized
calc : function(e){
el = thumbs[0];
containerWidth = el.clientWidth;
scrollWidth = el.scrollWidth;
padding = 0.15 * containerWidth;
posFromLeft = thumbs.offset().left;
stripePos = e.pageX - padding - posFromLeft;
pos = stripePos / (containerWidth - padding*2);
scrollPos = (scrollWidth - containerWidth ) * pos;
thumbs.animate({scrollLeft:scrollPos}, 200);
clearTimeout(animated);
animated = setTimeout(function(){
animated = null;
}, 200);
return this;
},
// move the stripe left or right according to mouse position
move : function(e){
// don't move anything until initial movement on 'mouseenter' has finished
if( animated ) return;
var ratio = scrollWidth / containerWidth,
stripePos = e.pageX - padding - posFromLeft, // the mouse X position, "normalized" to the carousel position
pos, scrollPos;
if( stripePos < 0) stripePos = 0; //
pos = stripePos / (containerWidth - padding*2); // calculated position between 0 to 1
// calculate the percentage of the mouse position within the carousel
scrollPos = (scrollWidth - containerWidth ) * pos;
raf(function(){
el.scrollLeft = scrollPos;
});
}
}
})();
// Autoplay controller
APControl = {
autoPlayTimer : false,
play : function(){
APControl.autoPlayTimer = setTimeout(function(){ changeImage(nextImage) }, options.time);
APControl.progress.start();
autoplayBtn.removeClass('play');
APControl.setTitle('Click to stop autoplay');
options.autoplay = true;
},
pause : function(){
clearTimeout(APControl.autoPlayTimer);
APControl.progress.reset();
autoplayBtn.addClass('play');
APControl.setTitle('Click to resume autoplay');
options.autoplay = false;
},
progress : {
reset : function(){
autoplayBtn.find('div').removeAttr('style');
setTimeout(function(){ autoplayBtn.removeClass('playing') },200);
},
start : function(){
if( !isOldIE)
autoplayBtn.find('div').css(transition, options.time+'ms');
autoplayBtn.addClass('playing');
}
},
// sets the button Title property
setTitle : function(text){
if(text)
autoplayBtn.prop('title', text + ' (every ' + options.time/1000 + ' seconds)' );
},
// the button onClick handler
toggle : function(e){
e.stopPropagation();
APControl[ options.autoplay ? 'pause' : 'play']();
}
}
function getPrefixed(prop){
var i, s = doc.createElement('p').style, v = ['ms','O','Moz','Webkit'];
if( s[prop] == '' ) return prop;
prop = prop.charAt(0).toUpperCase() + prop.slice(1);
for( i = v.length; i--; )
if( s[v[i] + prop] == '' )
return (v[i] + prop);
}
function keyDown(event){
var code = event.keyCode, ok = options.keys, result;
// Prevent default keyboard action (like navigating inside the page)
return $.inArray(code, ok.close) >= 0 && close() ||
$.inArray(code, ok.next) >= 0 && !options.single && loophole(nextImage) ||
$.inArray(code, ok.prev) >= 0 && !options.single && loophole(prevImage) || true;
}
function wheelNextPrev(e, dY, dX){
if( dX == 1 )
loophole(nextImage);
else if( dX == -1 )
loophole(prevImage);
}
// serves as a callback for pbPrevBtn / pbNextBtn buttons but also is called on keypress events
function next_prev(){
// don't get crazy when user clicks next or prev buttons rapidly
//if( !image.hasClass('zoomable') )
// return false;
var idx = (this.id == 'pbPrevBtn') ? prevImage : nextImage;
loophole(idx);
return false;
}
function updateIndexes(idx){
lastActive = activeImage;
activeImage = idx;
activeURL = images[idx][0];
prevImage = (activeImage || (options.loop ? images.length : 0)) - 1;
nextImage = ((activeImage + 1) % images.length) || (options.loop ? 0 : -1);
}
// check if looping is allowed before changing image/video.
// A pre-changeImage function, only for linear changes
function loophole(idx){
if( !options.loop ){
var afterLast = activeImage == images.length-1 && idx == nextImage,
beforeFirst = activeImage == 0 && idx == prevImage;
if( afterLast || beforeFirst )
return;
}
changeImage(idx);
}
changeImage = (function(){
var timer;
return function(imageIndex, firstTime, thumbClick){
// throttle mechanism
if( timer )
return;
timer = setTimeout(function(){
timer = null;
}, 150);
$doc.off('mousemove.photobox');
if( !imageIndex || imageIndex < 0 )
imageIndex = 0;
// hide/show next-prev buttons
if( !options.loop ){
//nextBtn[ imageIndex == images.length-1 ? 'addClass' : 'removeClass' ]('pbHide');
nextBtn.toggleClass('pbHide', imageIndex == images.length-1);
//prevBtn[ imageIndex == 0 ? 'addClass' : 'removeClass' ]('pbHide');
prevBtn.toggleClass('pbHide', imageIndex == 0);
}
// if there's a callback for this point:
if( typeof options.beforeShow == "function")
options.beforeShow(imageLinks[imageIndex]);
overlay.removeClass('error');
if( activeImage >= 0 )
overlay.addClass( imageIndex > activeImage ? 'next' : 'prev' );
updateIndexes(imageIndex);
// reset things
stop();
video.empty();
preload.onerror = null;
image.add(video).data('zoom', 1);
activeType = imageLinks[imageIndex].rel == 'video' ? 'video' : 'image';
// check if current link is a video
if( activeType == 'video' ){
video.html( newVideo() ).addClass('pbHide');
showContent(firstTime);
}
else{
// give a tiny delay to the preloader, so it won't be showed when images load very quickly
var loaderTimeout = setTimeout(function(){ overlay.addClass('pbLoading'); }, 50);
if( isOldIE ) overlay.addClass('pbHide'); // should wait for the image onload. just hide the image while old IE display the preloader
options.autoplay && APControl.progress.reset();
preload = new Image();
preload.onload = function(){
preload.onload = null;
if( prevImage >= 0 ) preloadPrev.src = images[prevImage][0];
if( nextImage >= 0 ) preloadNext.src = images[nextImage][0];
clearTimeout(loaderTimeout);
showContent(firstTime);
};
preload.onerror = imageError;
preload.src = activeURL;
}
// Show Caption text
captionText.on(transitionend, captionTextChange).addClass('change');
if( firstTime || isOldIE ) captionTextChange();
thumbsStripe.changeActive(imageIndex, firstTime, thumbClick);
// Save url hash for current image
history.save();
}
})();
function newVideo(){
var url = images[activeImage][0],
sign = $('<a>').prop('href',images[activeImage][0])[0].search ? '&' : '?';
url += sign + 'vq=hd720&wmode=opaque';
return $("<iframe>").prop({ scrolling:'no', frameborder:0, allowTransparency:true, src:url }).attr({webkitAllowFullScreen:true, mozallowfullscreen:true, allowFullScreen:true});
}
// show the item's Title & Counter
function captionTextChange(){
var tmpl;
captionText.off(transitionend).removeClass('change');
if( options.captionTmpl ){
tmpl = options.captionTmpl
.replace(/{title}/g, images[activeImage][1])
.replace(/{currentImageIdx}/g, activeImage + 1)
.replace(/{totalImagesCount}/g, images.length);
captionText.html(tmpl);
}
}
// Handles the history states when changing images
var history = {
save : function(){
// only save to history urls which are not already in the hash
if('pushState' in window.history && decodeURIComponent(window.location.hash.slice(1)) != activeURL && options.history ){
window.history.pushState( 'photobox', doc.title + '-' + images[activeImage][1], window.location.pathname + window.location.search + '#' + encodeURIComponent(activeURL) );
}
},
load : function(){
if( options && !options.history ) return false;
var hash = decodeURIComponent( window.location.hash.slice(1) ), i, j;
if( !hash && overlay.hasClass('show') )
close();
$('a[href="' + hash + '"]').trigger('click.photobox');
},
clear : function(){
if( options.history && 'pushState' in window.history )
window.history.pushState('photobox', doc.title, window.location.pathname + window.location.search);
}
};
// Add Photobox special `onpopstate` to the `onpopstate` function
window.onpopstate = (function(){
var cached = window.onpopstate;
return function(event){
cached && cached.apply(this, arguments);
if( event.state == 'photobox' )
history.load();
}
})();
// handles all image loading error (if image is dead)
function imageError(){
overlay.addClass('error');
image[0].src = blankImg; // set the source to a blank image
preload.onerror = null;
}
// Shows the content (image/video) on the screen
function showContent(firstTime){
var out, showSaftyTimer;
showSaftyTimer = setTimeout(show, 2000);
// hides the current image and prepare ground for an image change
pbLoader.fadeOut(300, function(){
overlay.removeClass("pbLoading");
pbLoader.removeAttr('style');
});
overlay.addClass('pbHide');
image.add(video).removeClass('zoomable'); // while transitioning an image, do not apply the 'zoomable' class
// check which element needs to transition-out:
if( !firstTime && imageLinks[lastActive].rel == 'video' ){
out = video;
image.addClass('prepare');
}
else
out = image;
if( firstTime || isOldIE )
show();
else
out.on(transitionend, show);
// in case the 'transitionend' didn't fire
// after hiding the last seen image, show the new one
function show(){
wrapper.removeAttr('style');
clearTimeout(showSaftyTimer);
overlay.removeClass('video');
if( activeType == 'video' ){
image.attr('src', blankImg);
out.off(transitionend).css({'transition':'none'});
video.addClass('prepare');
overlay.addClass('video');
}
else{
// create a new image element (cannot modify the same image SRC due to google chrome stupid bugs showing the previous image even after the SRC had changed)
image.replaceWith( image = $('<img src="'+ activeURL +'" class="prepare">') )
}
// filthy hack for the transitionend event, but cannot work without it:
setTimeout(function(){
overlay.removeClass('pbHide next prev');
image.add(video).removeAttr('style').removeClass('prepare').on(transitionend, showDone);
if(isOldIE) showDone();
}, 50);
}
}
// a callback whenever a transition of an image or a video is done
function showDone(){
image.add(video).off(transitionend).addClass('zoomable');
if( activeType == 'video' )
video.removeClass('pbHide');
else{
autoplayBtn && options.autoplay && APControl.play();
}
if( photobox && typeof photobox.callback == 'function' ){
photobox.callback(imageLinks[activeImage]);
}
}
function thumbsResize(e, delta){
e.preventDefault();
e.stopPropagation(); // stop the event from bubbling up to the Overlay and enlarge the content itself
var thumbList = photobox.thumbsList, h;
thumbList.css('height', thumbList[0].clientHeight + (delta * 10) );
h = caption[0].clientHeight / 2;
wrapper[0].style.cssText = "margin-top: -"+ h +"px; padding: "+ h +"px 0;";
thumbs.hide().show(0);
//thumbs.trigger('mouseenter').trigger('mousemove');
}
function stop(){
clearTimeout(APControl.autoPlayTimer);
$doc.off('mousemove.photobox');
preload.onload = function(){};
preload.src = preloadPrev.src = preloadNext.src = activeURL;
}
function close(){
if( !overlay.hasClass('show') )
return false;
stop();
video.find('iframe').prop('src','').empty();
Photobox.prototype.setup();
history.clear();
overlay.removeClass('on video').addClass('pbHide');
activeImage = -1;
image.on(transitionend, hide);
isOldIE && hide();
// the "photobox" instance might be needed for async transitionEnd functions, so give it some time before clearing it
setTimeout(function(){
photobox = null;
},1000);
function hide(){
if( overlay[0].className == '' ) return; // if already hidden
overlay.removeClass('show pbHide error pbLoading');
image.removeAttr('class').removeAttr('style').off().data('zoom',1);
// a hack to change the image src to nothing, because you can't do that in CHROME
image[0].src = blankImg;
caption.find('.title').empty();
if(noPointerEvents) // pointer-events lack support in IE, so just hide the overlay
setTimeout(function(){ overlay.hide(); }, 200);
options.hideFlash && $('iframe, object, embed').css('visibility', 'visible');
}
// fall-back if the 'transitionend' event didn't fire
setTimeout(hide, 500);
// callback after closing the gallery
if( typeof options.afterClose === 'function' )
options.afterClose(overlay);
}
/**
* jQuery Plugin to add basic "swipe" support on touch-enabled devices
*
* @author Yair Even Or
* @version 1.0.0 (March 20, 2013)
*/
$.event.special.swipe = {
setup: function(){
$(this).bind('touchstart', $.event.special.swipe.handler);
},
teardown: function(){
$(this).unbind('touchstart', $.event.special.swipe.handler);
},
handler: function(event){
var args = [].slice.call( arguments, 1 ), // clone arguments array, remove original event from cloned array
touches = event.originalEvent.touches,
startX, startY,
deltaX = 0, deltaY = 0,
that = this;
event = $.event.fix(event);
if( touches.length == 1 ){
startX = touches[0].pageX;
startY = touches[0].pageY;
this.addEventListener('touchmove', onTouchMove, false);
}
function cancelTouch(){
that.removeEventListener('touchmove', onTouchMove);
startX = startY = null;
}
function onTouchMove(e){
e.preventDefault();
var Dx = startX - e.touches[0].pageX,
Dy = startY - e.touches[0].pageY;
if( Math.abs(Dx) >= 20 ){
cancelTouch();
deltaX = (Dx > 0) ? -1 : 1;
}
else if( Math.abs(Dy) >= 20 ){
cancelTouch();
deltaY = (Dy > 0) ? 1 : -1;
}
event.type = 'swipe';
args.unshift(event, deltaX, deltaY); // add back the new event to the front of the arguments with the delatas
return ($.event.dispatch || $.event.handle).apply(that, args);
}
}
};
/* MouseWheel plugin
* ! Copyright (c) 2013 Brandon Aaron (http://brandon.aaron.sh)
* Licensed under the MIT License (LICENSE.txt).
*
* Version: 3.1.11
*
* Requires: jQuery 1.2.2+
*/
!function(a){"function"==typeof define&&define.amd?define(["jquery"],a):"object"==typeof exports?module.exports=a:a(jQuery)}(function(a){function b(b){var g=b||window.event,h=i.call(arguments,1),j=0,l=0,m=0,n=0,o=0,p=0;if(b=a.event.fix(g),b.type="mousewheel","detail"in g&&(m=-1*g.detail),"wheelDelta"in g&&(m=g.wheelDelta),"wheelDeltaY"in g&&(m=g.wheelDeltaY),"wheelDeltaX"in g&&(l=-1*g.wheelDeltaX),"axis"in g&&g.axis===g.HORIZONTAL_AXIS&&(l=-1*m,m=0),j=0===m?l:m,"deltaY"in g&&(m=-1*g.deltaY,j=m),"deltaX"in g&&(l=g.deltaX,0===m&&(j=-1*l)),0!==m||0!==l){if(1===g.deltaMode){var q=a.data(this,"mousewheel-line-height");j*=q,m*=q,l*=q}else if(2===g.deltaMode){var r=a.data(this,"mousewheel-page-height");j*=r,m*=r,l*=r}if(n=Math.max(Math.abs(m),Math.abs(l)),(!f||f>n)&&(f=n,d(g,n)&&(f/=40)),d(g,n)&&(j/=40,l/=40,m/=40),j=Math[j>=1?"floor":"ceil"](j/f),l=Math[l>=1?"floor":"ceil"](l/f),m=Math[m>=1?"floor":"ceil"](m/f),k.settings.normalizeOffset&&this.getBoundingClientRect){var s=this.getBoundingClientRect();o=b.clientX-s.left,p=b.clientY-s.top}return b.deltaX=l,b.deltaY=m,b.deltaFactor=f,b.offsetX=o,b.offsetY=p,b.deltaMode=0,h.unshift(b,j,l,m),e&&clearTimeout(e),e=setTimeout(c,200),(a.event.dispatch||a.event.handle).apply(this,h)}}function c(){f=null}function d(a,b){return k.settings.adjustOldDeltas&&"mousewheel"===a.type&&b%120===0}var e,f,g=["wheel","mousewheel","DOMMouseScroll","MozMousePixelScroll"],h="onwheel"in document||document.documentMode>=9?["wheel"]:["mousewheel","DomMouseScroll","MozMousePixelScroll"],i=Array.prototype.slice;if(a.event.fixHooks)for(var j=g.length;j;)a.event.fixHooks[g[--j]]=a.event.mouseHooks;var k=a.event.special.mousewheel={version:"3.1.11",setup:function(){if(this.addEventListener)for(var c=h.length;c;)this.addEventListener(h[--c],b,!1);else this.onmousewheel=b;a.data(this,"mousewheel-line-height",k.getLineHeight(this)),a.data(this,"mousewheel-page-height",k.getPageHeight(this))},teardown:function(){if(this.removeEventListener)for(var c=h.length;c;)this.removeEventListener(h[--c],b,!1);else this.onmousewheel=null;a.removeData(this,"mousewheel-line-height"),a.removeData(this,"mousewheel-page-height")},getLineHeight:function(b){var c=a(b)["offsetParent"in a.fn?"offsetParent":"parent"]();return c.length||(c=a("body")),parseInt(c.css("fontSize"),10)},getPageHeight:function(b){return a(b).height()},settings:{adjustOldDeltas:!0,normalizeOffset:!0}};a.fn.extend({mousewheel:function(a){return a?this.bind("mousewheel",a):this.trigger("mousewheel")},unmousewheel:function(a){return this.unbind("mousewheel",a)}})});
// Expose:
window._photobox = {
DOM : {
overlay : overlay
},
close : close,
history : history,
defaults : defaults
};
})(jQuery, document, window);
?>