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jquery.flexslider.js
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/*
* jQuery FlexSlider v2.7.1
* Copyright 2012 WooThemes
* Contributing Author: Tyler Smith
*/
;
(function ($) {
var focused = true;
//FlexSlider: Object Instance
$.flexslider = function(el, options) {
var slider = $(el);
// making variables public
//if rtl value was not passed and html is in rtl..enable it by default.
if(typeof options.rtl=='undefined' && $('html').attr('dir')=='rtl'){
options.rtl=true;
}
slider.vars = $.extend({}, $.flexslider.defaults, options);
var namespace = slider.vars.namespace,
msGesture = window.navigator && window.navigator.msPointerEnabled && window.MSGesture,
touch = (( "ontouchstart" in window ) || msGesture || window.DocumentTouch && document instanceof DocumentTouch) && slider.vars.touch,
// deprecating this idea, as devices are being released with both of these events
eventType = "click touchend MSPointerUp",
watchedEvent = "",
watchedEventClearTimer,
vertical = slider.vars.direction === "vertical",
reverse = slider.vars.reverse,
carousel = (slider.vars.itemWidth > 0),
fade = slider.vars.animation === "fade",
asNav = slider.vars.asNavFor !== "",
methods = {};
// Store a reference to the slider object
$.data(el, "flexslider", slider);
// Private slider methods
methods = {
init: function() {
slider.animating = false;
// Get current slide and make sure it is a number
slider.currentSlide = parseInt( ( slider.vars.startAt ? slider.vars.startAt : 0), 10 );
if ( isNaN( slider.currentSlide ) ) { slider.currentSlide = 0; }
slider.animatingTo = slider.currentSlide;
slider.atEnd = (slider.currentSlide === 0 || slider.currentSlide === slider.last);
slider.containerSelector = slider.vars.selector.substr(0,slider.vars.selector.search(' '));
slider.slides = $(slider.vars.selector, slider);
slider.container = $(slider.containerSelector, slider);
slider.count = slider.slides.length;
// SYNC:
slider.syncExists = $(slider.vars.sync).length > 0;
// SLIDE:
if (slider.vars.animation === "slide") { slider.vars.animation = "swing"; }
slider.prop = (vertical) ? "top" : ( slider.vars.rtl ? "marginRight" : "marginLeft" );
slider.args = {};
// SLIDESHOW:
slider.manualPause = false;
slider.stopped = false;
//PAUSE WHEN INVISIBLE
slider.started = false;
slider.startTimeout = null;
// TOUCH/USECSS:
slider.transitions = !slider.vars.video && !fade && slider.vars.useCSS && (function() {
var obj = document.createElement('div'),
props = ['perspectiveProperty', 'WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective'];
for (var i in props) {
if ( obj.style[ props[i] ] !== undefined ) {
slider.pfx = props[i].replace('Perspective','').toLowerCase();
slider.prop = "-" + slider.pfx + "-transform";
return true;
}
}
return false;
}());
slider.isFirefox = navigator.userAgent.toLowerCase().indexOf('firefox') > -1;
slider.ensureAnimationEnd = '';
// CONTROLSCONTAINER:
if (slider.vars.controlsContainer !== "") slider.controlsContainer = $(slider.vars.controlsContainer).length > 0 && $(slider.vars.controlsContainer);
// MANUAL:
if (slider.vars.manualControls !== "") slider.manualControls = $(slider.vars.manualControls).length > 0 && $(slider.vars.manualControls);
// CUSTOM DIRECTION NAV:
if (slider.vars.customDirectionNav !== "") slider.customDirectionNav = $(slider.vars.customDirectionNav).length === 2 && $(slider.vars.customDirectionNav);
// RANDOMIZE:
if (slider.vars.randomize) {
slider.slides.sort(function() { return (Math.round(Math.random())-0.5); });
slider.container.empty().append(slider.slides);
}
slider.doMath();
// INIT
slider.setup("init");
// CONTROLNAV:
if (slider.vars.controlNav) { methods.controlNav.setup(); }
// DIRECTIONNAV:
if (slider.vars.directionNav) { methods.directionNav.setup(); }
// KEYBOARD:
if (slider.vars.keyboard && ($(slider.containerSelector).length === 1 || slider.vars.multipleKeyboard)) {
$(document).bind('keyup', function(event) {
var keycode = event.keyCode;
if (!slider.animating && (keycode === 39 || keycode === 37)) {
var target = (slider.vars.rtl?
((keycode === 37) ? slider.getTarget('next') :
(keycode === 39) ? slider.getTarget('prev') : false)
:
((keycode === 39) ? slider.getTarget('next') :
(keycode === 37) ? slider.getTarget('prev') : false)
)
;
slider.flexAnimate(target, slider.vars.pauseOnAction);
}
});
}
// MOUSEWHEEL:
if (slider.vars.mousewheel) {
slider.bind('mousewheel', function(event, delta, deltaX, deltaY) {
event.preventDefault();
var target = (delta < 0) ? slider.getTarget('next') : slider.getTarget('prev');
slider.flexAnimate(target, slider.vars.pauseOnAction);
});
}
// PAUSEPLAY
if (slider.vars.pausePlay) { methods.pausePlay.setup(); }
//PAUSE WHEN INVISIBLE
if (slider.vars.slideshow && slider.vars.pauseInvisible) { methods.pauseInvisible.init(); }
// SLIDSESHOW
if (slider.vars.slideshow) {
if (slider.vars.pauseOnHover) {
slider.hover(function() {
if (!slider.manualPlay && !slider.manualPause) { slider.pause(); }
}, function() {
if (!slider.manualPause && !slider.manualPlay && !slider.stopped) { slider.play(); }
});
}
// initialize animation
//If we're visible, or we don't use PageVisibility API
if(!slider.vars.pauseInvisible || !methods.pauseInvisible.isHidden()) {
(slider.vars.initDelay > 0) ? slider.startTimeout = setTimeout(slider.play, slider.vars.initDelay) : slider.play();
}
}
// ASNAV:
if (asNav) { methods.asNav.setup(); }
// TOUCH
if (touch && slider.vars.touch) { methods.touch(); }
// FADE&&SMOOTHHEIGHT || SLIDE:
if (!fade || (fade && slider.vars.smoothHeight)) { $(window).on("resize orientationchange focus", methods.resize); }
slider.find("img").attr("draggable", "false");
// API: start() Callback
setTimeout(function(){
slider.vars.start(slider);
}, 200);
},
asNav: {
setup: function() {
slider.asNav = true;
slider.animatingTo = Math.floor(slider.currentSlide/slider.move);
slider.currentItem = slider.currentSlide;
slider.slides.removeClass(namespace + "active-slide").eq(slider.currentItem).addClass(namespace + "active-slide");
if(!msGesture){
slider.slides.on(eventType, function(e){
e.preventDefault();
var $slide = $(this),
target = $slide.index();
var posFromX;
if(slider.vars.rtl){
posFromX = -1*($slide.offset().right - $(slider).scrollLeft()); // Find position of slide relative to right of slider container
}
else
{
posFromX = $slide.offset().left - $(slider).scrollLeft(); // Find position of slide relative to left of slider container
}
if( posFromX <= 0 && $slide.hasClass( namespace + 'active-slide' ) ) {
slider.flexAnimate(slider.getTarget("prev"), true);
} else if (!$(slider.vars.asNavFor).data('flexslider').animating && !$slide.hasClass(namespace + "active-slide")) {
slider.direction = (slider.currentItem < target) ? "next" : "prev";
slider.flexAnimate(target, slider.vars.pauseOnAction, false, true, true);
}
});
}else{
el._slider = slider;
slider.slides.each(function (){
var that = this;
that._gesture = new MSGesture();
that._gesture.target = that;
that.addEventListener("MSPointerDown", function (e){
e.preventDefault();
if(e.currentTarget._gesture) {
e.currentTarget._gesture.addPointer(e.pointerId);
}
}, false);
that.addEventListener("MSGestureTap", function (e){
e.preventDefault();
var $slide = $(this),
target = $slide.index();
if (!$(slider.vars.asNavFor).data('flexslider').animating && !$slide.hasClass('active')) {
slider.direction = (slider.currentItem < target) ? "next" : "prev";
slider.flexAnimate(target, slider.vars.pauseOnAction, false, true, true);
}
});
});
}
}
},
controlNav: {
setup: function() {
if (!slider.manualControls) {
methods.controlNav.setupPaging();
} else { // MANUALCONTROLS:
methods.controlNav.setupManual();
}
},
setupPaging: function() {
var type = (slider.vars.controlNav === "thumbnails") ? 'control-thumbs' : 'control-paging',
j = 1,
item,
slide;
slider.controlNavScaffold = $('<ol class="'+ namespace + 'control-nav ' + namespace + type + '"></ol>');
if (slider.pagingCount > 1) {
for (var i = 0; i < slider.pagingCount; i++) {
slide = slider.slides.eq(i);
if ( undefined === slide.attr( 'data-thumb-alt' ) ) { slide.attr( 'data-thumb-alt', '' ); }
var altText = ( '' !== slide.attr( 'data-thumb-alt' ) ) ? altText = ' alt="' + slide.attr( 'data-thumb-alt' ) + '"' : '';
item = (slider.vars.controlNav === "thumbnails") ? '<img src="' + slide.attr( 'data-thumb' ) + '"' + altText + '/>' : '<a href="#">' + j + '</a>';
if ( 'thumbnails' === slider.vars.controlNav && true === slider.vars.thumbCaptions ) {
var captn = slide.attr( 'data-thumbcaption' );
if ( '' !== captn && undefined !== captn ) { item += '<span class="' + namespace + 'caption">' + captn + '</span>'; }
}
slider.controlNavScaffold.append('<li>' + item + '</li>');
j++;
}
}
// CONTROLSCONTAINER:
(slider.controlsContainer) ? $(slider.controlsContainer).append(slider.controlNavScaffold) : slider.append(slider.controlNavScaffold);
methods.controlNav.set();
methods.controlNav.active();
slider.controlNavScaffold.delegate('a, img', eventType, function(event) {
event.preventDefault();
if (watchedEvent === "" || watchedEvent === event.type) {
var $this = $(this),
target = slider.controlNav.index($this);
if (!$this.hasClass(namespace + 'active')) {
slider.direction = (target > slider.currentSlide) ? "next" : "prev";
slider.flexAnimate(target, slider.vars.pauseOnAction);
}
}
// setup flags to prevent event duplication
if (watchedEvent === "") {
watchedEvent = event.type;
}
methods.setToClearWatchedEvent();
});
},
setupManual: function() {
slider.controlNav = slider.manualControls;
methods.controlNav.active();
slider.controlNav.bind(eventType, function(event) {
event.preventDefault();
if (watchedEvent === "" || watchedEvent === event.type) {
var $this = $(this),
target = slider.controlNav.index($this);
if (!$this.hasClass(namespace + 'active')) {
(target > slider.currentSlide) ? slider.direction = "next" : slider.direction = "prev";
slider.flexAnimate(target, slider.vars.pauseOnAction);
}
}
// setup flags to prevent event duplication
if (watchedEvent === "") {
watchedEvent = event.type;
}
methods.setToClearWatchedEvent();
});
},
set: function() {
var selector = (slider.vars.controlNav === "thumbnails") ? 'img' : 'a';
slider.controlNav = $('.' + namespace + 'control-nav li ' + selector, (slider.controlsContainer) ? slider.controlsContainer : slider);
},
active: function() {
slider.controlNav.removeClass(namespace + "active").eq(slider.animatingTo).addClass(namespace + "active");
},
update: function(action, pos) {
if (slider.pagingCount > 1 && action === "add") {
slider.controlNavScaffold.append($('<li><a href="#"></a></li>'));
} else if (slider.pagingCount === 1) {
slider.controlNavScaffold.find('li').remove();
} else {
slider.controlNav.eq(pos).closest('li').remove();
}
slider.controlNavScaffold.find('li').each(function (ind, el) {
$(el).find('a').text(ind + 1);
});
methods.controlNav.set();
(slider.pagingCount > 1 && slider.pagingCount !== slider.controlNav.length) ? slider.update(pos, action) : methods.controlNav.active();
}
},
directionNav: {
setup: function() {
var directionNavScaffold = $('<ul class="' + namespace + 'direction-nav"><li class="' + namespace + 'nav-prev"><a class="' + namespace + 'prev" href="#">' + slider.vars.prevText + '</a></li><li class="' + namespace + 'nav-next"><a class="' + namespace + 'next" href="#">' + slider.vars.nextText + '</a></li></ul>');
// CUSTOM DIRECTION NAV:
if (slider.customDirectionNav) {
slider.directionNav = slider.customDirectionNav;
// CONTROLSCONTAINER:
} else if (slider.controlsContainer) {
$(slider.controlsContainer).append(directionNavScaffold);
slider.directionNav = $('.' + namespace + 'direction-nav li a', slider.controlsContainer);
} else {
slider.append(directionNavScaffold);
slider.directionNav = $('.' + namespace + 'direction-nav li a', slider);
}
methods.directionNav.update();
slider.directionNav.bind(eventType, function(event) {
event.preventDefault();
var target;
if (watchedEvent === "" || watchedEvent === event.type) {
target = ($(this).hasClass(namespace + 'next')) ? slider.getTarget('next') : slider.getTarget('prev');
slider.flexAnimate(target, slider.vars.pauseOnAction);
}
// setup flags to prevent event duplication
if (watchedEvent === "") {
watchedEvent = event.type;
}
methods.setToClearWatchedEvent();
});
},
update: function() {
var disabledClass = namespace + 'disabled';
if (slider.pagingCount === 1) {
slider.directionNav.addClass(disabledClass).attr('tabindex', '-1');
} else if (!slider.vars.animationLoop) {
if (slider.animatingTo === 0) {
slider.directionNav.removeClass(disabledClass).filter('.' + namespace + "prev").addClass(disabledClass).attr('tabindex', '-1');
} else if (slider.animatingTo === slider.last) {
slider.directionNav.removeClass(disabledClass).filter('.' + namespace + "next").addClass(disabledClass).attr('tabindex', '-1');
} else {
slider.directionNav.removeClass(disabledClass).removeAttr('tabindex');
}
} else {
slider.directionNav.removeClass(disabledClass).removeAttr('tabindex');
}
}
},
pausePlay: {
setup: function() {
var pausePlayScaffold = $('<div aria-live="polite" class="' + namespace + 'pauseplay"><a href="#"></a></div>');
// CONTROLSCONTAINER:
if (slider.controlsContainer) {
slider.controlsContainer.append(pausePlayScaffold);
slider.pausePlay = $('.' + namespace + 'pauseplay a', slider.controlsContainer);
} else {
slider.append(pausePlayScaffold);
slider.pausePlay = $('.' + namespace + 'pauseplay a', slider);
}
methods.pausePlay.update((slider.vars.slideshow) ? namespace + 'pause' : namespace + 'play');
slider.pausePlay.bind(eventType, function(event) {
event.preventDefault();
if (watchedEvent === "" || watchedEvent === event.type) {
if ($(this).hasClass(namespace + 'pause')) {
slider.manualPause = true;
slider.manualPlay = false;
slider.pause();
} else {
slider.manualPause = false;
slider.manualPlay = true;
slider.play();
}
}
// setup flags to prevent event duplication
if (watchedEvent === "") {
watchedEvent = event.type;
}
methods.setToClearWatchedEvent();
});
},
update: function(state) {
(state === "play") ? slider.pausePlay.removeClass(namespace + 'pause').addClass(namespace + 'play').html(slider.vars.playText) : slider.pausePlay.removeClass(namespace + 'play').addClass(namespace + 'pause').html(slider.vars.pauseText);
}
},
touch: function() {
var startX,
startY,
offset,
cwidth,
dx,
startT,
onTouchStart,
onTouchMove,
onTouchEnd,
scrolling = false,
localX = 0,
localY = 0,
accDx = 0;
if(!msGesture){
onTouchStart = function(e) {
if (slider.animating) {
e.preventDefault();
} else if ( ( window.navigator.msPointerEnabled ) || e.touches.length === 1 ) {
slider.pause();
// CAROUSEL:
cwidth = (vertical) ? slider.h : slider. w;
startT = Number(new Date());
// CAROUSEL:
// Local vars for X and Y points.
localX = e.touches[0].pageX;
localY = e.touches[0].pageY;
offset = (carousel && reverse && slider.animatingTo === slider.last) ? 0 :
(carousel && reverse) ? slider.limit - (((slider.itemW + slider.vars.itemMargin) * slider.move) * slider.animatingTo) :
(carousel && slider.currentSlide === slider.last) ? slider.limit :
(carousel) ? ((slider.itemW + slider.vars.itemMargin) * slider.move) * slider.currentSlide :
(reverse) ? (slider.last - slider.currentSlide + slider.cloneOffset) * cwidth : (slider.currentSlide + slider.cloneOffset) * cwidth;
startX = (vertical) ? localY : localX;
startY = (vertical) ? localX : localY;
el.addEventListener('touchmove', onTouchMove, false);
el.addEventListener('touchend', onTouchEnd, false);
}
};
onTouchMove = function(e) {
// Local vars for X and Y points.
localX = e.touches[0].pageX;
localY = e.touches[0].pageY;
dx = (vertical) ? startX - localY : (slider.vars.rtl?-1:1)*(startX - localX);
scrolling = (vertical) ? (Math.abs(dx) < Math.abs(localX - startY)) : (Math.abs(dx) < Math.abs(localY - startY));
var fxms = 500;
if ( ! scrolling || Number( new Date() ) - startT > fxms ) {
e.preventDefault();
if (!fade && slider.transitions) {
if (!slider.vars.animationLoop) {
dx = dx/((slider.currentSlide === 0 && dx < 0 || slider.currentSlide === slider.last && dx > 0) ? (Math.abs(dx)/cwidth+2) : 1);
}
slider.setProps(offset + dx, "setTouch");
}
}
};
onTouchEnd = function(e) {
// finish the touch by undoing the touch session
el.removeEventListener('touchmove', onTouchMove, false);
if (slider.animatingTo === slider.currentSlide && !scrolling && !(dx === null)) {
var updateDx = (reverse) ? -dx : dx,
target = (updateDx > 0) ? slider.getTarget('next') : slider.getTarget('prev');
if (slider.canAdvance(target) && (Number(new Date()) - startT < 550 && Math.abs(updateDx) > 50 || Math.abs(updateDx) > cwidth/2)) {
slider.flexAnimate(target, slider.vars.pauseOnAction);
} else {
if (!fade) { slider.flexAnimate(slider.currentSlide, slider.vars.pauseOnAction, true); }
}
}
el.removeEventListener('touchend', onTouchEnd, false);
if (dx && scrolling) {
// (scroll) Resume autoplay if slideshow is enabled
slider.vars.slideshow && slider.play();
} else if (dx) {
// (swipe) Resume if pauseOnAction:false, else end slideshow
!slider.vars.pauseOnAction && slider.play() || (slider.vars.slideshow = false);
} else {
// ("click") Resume if pauseOnAction:false, slideshow:true
(slider.vars.slideshow && !slider.vars.pauseOnAction) && slider.play() || (slider.vars.slideshow = false);
}
startX = null;
startY = null;
dx = null;
offset = null;
};
el.addEventListener('touchstart', onTouchStart, false);
}else{
el.style.msTouchAction = "none";
el._gesture = new MSGesture();
el._gesture.target = el;
el.addEventListener("MSPointerDown", onMSPointerDown, false);
el._slider = slider;
el.addEventListener("MSGestureChange", onMSGestureChange, false);
el.addEventListener("MSGestureEnd", onMSGestureEnd, false);
function onMSPointerDown(e){
e.stopPropagation();
if (slider.animating) {
e.preventDefault();
}else{
slider.pause();
el._gesture.addPointer(e.pointerId);
accDx = 0;
cwidth = (vertical) ? slider.h : slider. w;
startT = Number(new Date());
// CAROUSEL:
offset = (carousel && reverse && slider.animatingTo === slider.last) ? 0 :
(carousel && reverse) ? slider.limit - (((slider.itemW + slider.vars.itemMargin) * slider.move) * slider.animatingTo) :
(carousel && slider.currentSlide === slider.last) ? slider.limit :
(carousel) ? ((slider.itemW + slider.vars.itemMargin) * slider.move) * slider.currentSlide :
(reverse) ? (slider.last - slider.currentSlide + slider.cloneOffset) * cwidth : (slider.currentSlide + slider.cloneOffset) * cwidth;
}
}
function onMSGestureChange(e) {
e.stopPropagation();
var slider = e.target._slider;
if(!slider){
return;
}
var transX = -e.translationX,
transY = -e.translationY;
//Accumulate translations.
accDx = accDx + ((vertical) ? transY : transX);
dx = (slider.vars.rtl?-1:1)*accDx;
scrolling = (vertical) ? (Math.abs(accDx) < Math.abs(-transX)) : (Math.abs(accDx) < Math.abs(-transY));
if(e.detail === e.MSGESTURE_FLAG_INERTIA){
setImmediate(function (){
el._gesture.stop();
});
return;
}
if (!scrolling || Number(new Date()) - startT > 500) {
e.preventDefault();
if (!fade && slider.transitions) {
if (!slider.vars.animationLoop) {
dx = accDx / ((slider.currentSlide === 0 && accDx < 0 || slider.currentSlide === slider.last && accDx > 0) ? (Math.abs(accDx) / cwidth + 2) : 1);
}
slider.setProps(offset + dx, "setTouch");
}
}
}
function onMSGestureEnd(e) {
e.stopPropagation();
var slider = e.target._slider;
if(!slider){
return;
}
if (slider.animatingTo === slider.currentSlide && !scrolling && !(dx === null)) {
var updateDx = (reverse) ? -dx : dx,
target = (updateDx > 0) ? slider.getTarget('next') : slider.getTarget('prev');
if (slider.canAdvance(target) && (Number(new Date()) - startT < 550 && Math.abs(updateDx) > 50 || Math.abs(updateDx) > cwidth/2)) {
slider.flexAnimate(target, slider.vars.pauseOnAction);
} else {
if (!fade) { slider.flexAnimate(slider.currentSlide, slider.vars.pauseOnAction, true); }
}
}
if (dx && scrolling) {
// (scroll) Resume autoplay if slideshow is enabled
slider.vars.slideshow && slider.play();
} else if (dx) {
// (swipe) Resume if pauseOnAction:false, else end slideshow
!slider.vars.pauseOnAction && slider.play() || (slider.vars.slideshow = false);
} else {
// ("click") Resume if pauseOnAction:false, slideshow:true
(slider.vars.slideshow && !slider.vars.pauseOnAction) && slider.play() || (slider.vars.slideshow = false);
}
startX = null;
startY = null;
dx = null;
offset = null;
accDx = 0;
}
}
},
resize: function() {
if (!slider.animating && slider.is(':visible')) {
if (!carousel) { slider.doMath(); }
if (fade) {
// SMOOTH HEIGHT:
methods.smoothHeight();
} else if (carousel) { //CAROUSEL:
slider.slides.width(slider.computedW);
slider.update(slider.pagingCount);
slider.setProps();
}
else if (vertical) { //VERTICAL:
slider.viewport.height(slider.h);
slider.setProps(slider.h, "setTotal");
} else {
// SMOOTH HEIGHT:
if (slider.vars.smoothHeight) { methods.smoothHeight(); }
slider.newSlides.width(slider.computedW);
slider.setProps(slider.computedW, "setTotal");
}
}
},
smoothHeight: function(dur) {
if (!vertical || fade) {
var $obj = (fade) ? slider : slider.viewport;
(dur) ? $obj.animate({"height": slider.slides.eq(slider.animatingTo).innerHeight()}, dur) : $obj.innerHeight(slider.slides.eq(slider.animatingTo).innerHeight());
}
},
sync: function(action) {
var $obj = $(slider.vars.sync).data("flexslider"),
target = slider.animatingTo;
switch (action) {
case "animate": $obj.flexAnimate(target, slider.vars.pauseOnAction, false, true); break;
case "play": if (!$obj.playing && !$obj.asNav) { $obj.play(); } break;
case "pause": $obj.pause(); break;
}
},
uniqueID: function($clone) {
// Append _clone to current level and children elements with id attributes
$clone.filter( '[id]' ).add($clone.find( '[id]' )).each(function() {
var $this = $(this);
$this.attr( 'id', $this.attr( 'id' ) + '_clone' );
});
return $clone;
},
pauseInvisible: {
visProp: null,
init: function() {
var visProp = methods.pauseInvisible.getHiddenProp();
if (visProp) {
var evtname = visProp.replace(/[H|h]idden/,'') + 'visibilitychange';
document.addEventListener(evtname, function() {
if (methods.pauseInvisible.isHidden()) {
if(slider.startTimeout) {
clearTimeout(slider.startTimeout); //If clock is ticking, stop timer and prevent from starting while invisible
} else {
slider.pause(); //Or just pause
}
}
else {
if(slider.started) {
slider.play(); //Initiated before, just play
} else {
if (slider.vars.initDelay > 0) {
setTimeout(slider.play, slider.vars.initDelay);
} else {
slider.play(); //Didn't init before: simply init or wait for it
}
}
}
});
}
},
isHidden: function() {
var prop = methods.pauseInvisible.getHiddenProp();
if (!prop) {
return false;
}
return document[prop];
},
getHiddenProp: function() {
var prefixes = ['webkit','moz','ms','o'];
// if 'hidden' is natively supported just return it
if ('hidden' in document) {
return 'hidden';
}
// otherwise loop over all the known prefixes until we find one
for ( var i = 0; i < prefixes.length; i++ ) {
if ((prefixes[i] + 'Hidden') in document) {
return prefixes[i] + 'Hidden';
}
}
// otherwise it's not supported
return null;
}
},
setToClearWatchedEvent: function() {
clearTimeout(watchedEventClearTimer);
watchedEventClearTimer = setTimeout(function() {
watchedEvent = "";
}, 3000);
}
};
// public methods
slider.flexAnimate = function(target, pause, override, withSync, fromNav) {
if (!slider.vars.animationLoop && target !== slider.currentSlide) {
slider.direction = (target > slider.currentSlide) ? "next" : "prev";
}
if (asNav && slider.pagingCount === 1) slider.direction = (slider.currentItem < target) ? "next" : "prev";
if (!slider.animating && (slider.canAdvance(target, fromNav) || override) && slider.is(":visible")) {
if (asNav && withSync) {
var master = $(slider.vars.asNavFor).data('flexslider');
slider.atEnd = target === 0 || target === slider.count - 1;
master.flexAnimate(target, true, false, true, fromNav);
slider.direction = (slider.currentItem < target) ? "next" : "prev";
master.direction = slider.direction;
if (Math.ceil((target + 1)/slider.visible) - 1 !== slider.currentSlide && target !== 0) {
slider.currentItem = target;
slider.slides.removeClass(namespace + "active-slide").eq(target).addClass(namespace + "active-slide");
slider.slides.attr('aria-hidden', 'true').eq(target).removeAttr('aria-hidden');
target = Math.floor(target/slider.visible);
} else {
slider.currentItem = target;
slider.slides.removeClass(namespace + "active-slide").eq(target).addClass(namespace + "active-slide");
slider.slides.attr('aria-hidden', 'true').eq(target).removeAttr('aria-hidden');
return false;
}
}
slider.animating = true;
slider.animatingTo = target;
// SLIDESHOW:
if (pause) { slider.pause(); }
// API: before() animation Callback
slider.vars.before(slider);
// SYNC:
if (slider.syncExists && !fromNav) { methods.sync("animate"); }
// CONTROLNAV
if (slider.vars.controlNav) { methods.controlNav.active(); }
// !CAROUSEL:
// CANDIDATE: slide active class (for add/remove slide)
if (!carousel) {
slider.slides.removeClass(namespace + 'active-slide').eq(target).addClass(namespace + 'active-slide');
slider.slides.attr('aria-hidden', 'true').eq(target).removeAttr('aria-hidden');
}
// INFINITE LOOP:
// CANDIDATE: atEnd
slider.atEnd = target === 0 || target === slider.last;
// DIRECTIONNAV:
if (slider.vars.directionNav) { methods.directionNav.update(); }
if (target === slider.last) {
// API: end() of cycle Callback
slider.vars.end(slider);
// SLIDESHOW && !INFINITE LOOP:
if (!slider.vars.animationLoop) { slider.pause(); }
}
// SLIDE:
if (!fade) {
var dimension = (vertical) ? slider.slides.filter(':first').height() : slider.computedW,
margin, slideString, calcNext;
// INFINITE LOOP / REVERSE:
if (carousel) {
margin = slider.vars.itemMargin;
calcNext = ((slider.itemW + margin) * slider.move) * slider.animatingTo;
slideString = (calcNext > slider.limit && slider.visible !== 1) ? slider.limit : calcNext;
} else if (slider.currentSlide === 0 && target === slider.count - 1 && slider.vars.animationLoop && slider.direction !== "next") {
slideString = (reverse) ? (slider.count + slider.cloneOffset) * dimension : 0;
} else if (slider.currentSlide === slider.last && target === 0 && slider.vars.animationLoop && slider.direction !== "prev") {
slideString = (reverse) ? 0 : (slider.count + 1) * dimension;
} else {
slideString = (reverse) ? ((slider.count - 1) - target + slider.cloneOffset) * dimension : (target + slider.cloneOffset) * dimension;
}
slider.setProps(slideString, "", slider.vars.animationSpeed);
if (slider.transitions) {
if (!slider.vars.animationLoop || !slider.atEnd) {
slider.animating = false;
slider.currentSlide = slider.animatingTo;
}
// Unbind previous transitionEnd events and re-bind new transitionEnd event
slider.container.unbind("webkitTransitionEnd transitionend");
slider.container.bind("webkitTransitionEnd transitionend", function() {
clearTimeout(slider.ensureAnimationEnd);
slider.wrapup(dimension);
});
// Insurance for the ever-so-fickle transitionEnd event
clearTimeout(slider.ensureAnimationEnd);
slider.ensureAnimationEnd = setTimeout(function() {
slider.wrapup(dimension);
}, slider.vars.animationSpeed + 100);
} else {
slider.container.animate(slider.args, slider.vars.animationSpeed, slider.vars.easing, function(){
slider.wrapup(dimension);
});
}
} else { // FADE:
if (!touch) {
slider.slides.eq(slider.currentSlide).css({"zIndex": 1}).animate({"opacity": 0}, slider.vars.animationSpeed, slider.vars.easing);
slider.slides.eq(target).css({"zIndex": 2}).animate({"opacity": 1}, slider.vars.animationSpeed, slider.vars.easing, slider.wrapup);
} else {
slider.slides.eq(slider.currentSlide).css({ "opacity": 0, "zIndex": 1 });
slider.slides.eq(target).css({ "opacity": 1, "zIndex": 2 });
slider.wrapup(dimension);
}
}
// SMOOTH HEIGHT:
if (slider.vars.smoothHeight) { methods.smoothHeight(slider.vars.animationSpeed); }
}
};
slider.wrapup = function(dimension) {
// SLIDE:
if (!fade && !carousel) {
if (slider.currentSlide === 0 && slider.animatingTo === slider.last && slider.vars.animationLoop) {
slider.setProps(dimension, "jumpEnd");
} else if (slider.currentSlide === slider.last && slider.animatingTo === 0 && slider.vars.animationLoop) {
slider.setProps(dimension, "jumpStart");
}
}
slider.animating = false;
slider.currentSlide = slider.animatingTo;
// API: after() animation Callback
slider.vars.after(slider);
};
// SLIDESHOW:
slider.animateSlides = function() {
if (!slider.animating && focused ) { slider.flexAnimate(slider.getTarget("next")); }
};
// SLIDESHOW:
slider.pause = function() {
clearInterval(slider.animatedSlides);
slider.animatedSlides = null;
slider.playing = false;
// PAUSEPLAY:
if (slider.vars.pausePlay) { methods.pausePlay.update("play"); }
// SYNC:
if (slider.syncExists) { methods.sync("pause"); }
};
// SLIDESHOW:
slider.play = function() {
if (slider.playing) { clearInterval(slider.animatedSlides); }
slider.animatedSlides = slider.animatedSlides || setInterval(slider.animateSlides, slider.vars.slideshowSpeed);
slider.started = slider.playing = true;
// PAUSEPLAY:
if (slider.vars.pausePlay) { methods.pausePlay.update("pause"); }
// SYNC:
if (slider.syncExists) { methods.sync("play"); }
};
// STOP:
slider.stop = function () {
slider.pause();
slider.stopped = true;
};
slider.canAdvance = function(target, fromNav) {
// ASNAV:
var last = (asNav) ? slider.pagingCount - 1 : slider.last;
return (fromNav) ? true :
(asNav && slider.currentItem === slider.count - 1 && target === 0 && slider.direction === "prev") ? true :
(asNav && slider.currentItem === 0 && target === slider.pagingCount - 1 && slider.direction !== "next") ? false :
(target === slider.currentSlide && !asNav) ? false :
(slider.vars.animationLoop) ? true :
(slider.atEnd && slider.currentSlide === 0 && target === last && slider.direction !== "next") ? false :
(slider.atEnd && slider.currentSlide === last && target === 0 && slider.direction === "next") ? false :
true;
};
slider.getTarget = function(dir) {
slider.direction = dir;
if (dir === "next") {
return (slider.currentSlide === slider.last) ? 0 : slider.currentSlide + 1;
} else {
return (slider.currentSlide === 0) ? slider.last : slider.currentSlide - 1;
}
};
// SLIDE:
slider.setProps = function(pos, special, dur) {
var target = (function() {
var posCheck = (pos) ? pos : ((slider.itemW + slider.vars.itemMargin) * slider.move) * slider.animatingTo,
posCalc = (function() {
if (carousel) {
return (special === "setTouch") ? pos :
(reverse && slider.animatingTo === slider.last) ? 0 :
(reverse) ? slider.limit - (((slider.itemW + slider.vars.itemMargin) * slider.move) * slider.animatingTo) :
(slider.animatingTo === slider.last) ? slider.limit : posCheck;
} else {
switch (special) {
case "setTotal": return (reverse) ? ((slider.count - 1) - slider.currentSlide + slider.cloneOffset) * pos : (slider.currentSlide + slider.cloneOffset) * pos;
case "setTouch": return (reverse) ? pos : pos;
case "jumpEnd": return (reverse) ? pos : slider.count * pos;
case "jumpStart": return (reverse) ? slider.count * pos : pos;
default: return pos;
}
}
}());
return (posCalc * ((slider.vars.rtl)?1:-1)) + "px";
}());
if (slider.transitions) {
if (slider.isFirefox) {
target = (vertical) ? "translate3d(0," + target + ",0)" : "translate3d(" + (parseInt(target)+'px') + ",0,0)";
} else {
target = (vertical) ? "translate3d(0," + target + ",0)" : "translate3d(" + ((slider.vars.rtl?-1:1)*parseInt(target)+'px') + ",0,0)";
}
dur = (dur !== undefined) ? (dur/1000) + "s" : "0s";
slider.container.css("-" + slider.pfx + "-transition-duration", dur);
slider.container.css("transition-duration", dur);
}
slider.args[slider.prop] = target;
if (slider.transitions || dur === undefined) { slider.container.css(slider.args); }
slider.container.css('transform',target);
};
slider.setup = function(type) {
// SLIDE:
if (!fade) {
var sliderOffset, arr;
if (type === "init") {
slider.viewport = $('<div class="' + namespace + 'viewport"></div>').css({"overflow": "hidden", "position": "relative"}).appendTo(slider).append(slider.container);
// INFINITE LOOP:
slider.cloneCount = 0;
slider.cloneOffset = 0;
// REVERSE:
if (reverse) {
arr = $.makeArray(slider.slides).reverse();
slider.slides = $(arr);
slider.container.empty().append(slider.slides);
}
}
// INFINITE LOOP && !CAROUSEL:
if (slider.vars.animationLoop && !carousel) {
slider.doMath();
slider.slides.css({ "width": slider.computedW, "marginRight": slider.computedM, "float": "left", "display": "block" });
slider.cloneCount = 2;
slider.cloneOffset = 1;
// clear out old clones
if (type !== "init") { slider.container.find('.clone').remove(); }
slider.container.append(methods.uniqueID(slider.slides.first().clone().addClass('clone')).attr('aria-hidden', 'true'))
.prepend(methods.uniqueID(slider.slides.last().clone().addClass('clone')).attr('aria-hidden', 'true'));
}
slider.newSlides = $(slider.vars.selector, slider);
sliderOffset = (reverse) ? slider.count - 1 - slider.currentSlide + slider.cloneOffset : slider.currentSlide + slider.cloneOffset;
// VERTICAL:
if (vertical && !carousel) {
slider.container.height((slider.count + slider.cloneCount) * 200 + "%").css("position", "absolute").width("100%");
setTimeout(function(){
slider.newSlides.css({"display": "block"});
slider.doMath();
slider.viewport.height(slider.h);
slider.setProps(sliderOffset * slider.h, "init");
}, (type === "init") ? 100 : 0);
} else {
slider.container.width((slider.count + slider.cloneCount) * 200 + "%");
slider.setProps(sliderOffset * slider.computedW, "init");
setTimeout(function(){
slider.doMath();
if(slider.vars.rtl){
if (slider.isFirefox) {
slider.newSlides.css({"width": slider.computedW, "marginRight" : slider.computedM, "float": "right", "display": "block"});
} else {
slider.newSlides.css({"width": slider.computedW, "marginRight" : slider.computedM, "float": "left", "display": "block"});
}