Difference between revisions of "Team:FAFU-CHINA/css1/jquery.flexslider"

Latest revision as of 07:19, 10 October 2016

/*

* jQuery FlexSlider v2.1
* http://www.woothemes.com/flexslider/
*
* Copyright 2012 WooThemes
* Free to use under the GPLv2 license.
* http://www.gnu.org/licenses/gpl-2.0.html
*
* Contributing author: Tyler Smith (@mbmufffin)
*/

(function ($) {

 //FlexSlider: Object Instance
 $.flexslider = function(el, options) {
   var slider = $(el),
       vars = $.extend({}, $.flexslider.defaults, options),
       namespace = vars.namespace,
       touch = ("ontouchstart" in window) || window.DocumentTouch && document instanceof DocumentTouch,
       eventType = (touch) ? "touchend" : "click",
       vertical = vars.direction === "vertical",
       reverse = vars.reverse,
       carousel = (vars.itemWidth > 0),
       fade = vars.animation === "fade",
       asNav = vars.asNavFor !== "",
       methods = {};
   
   // Store a reference to the slider object
   $.data(el, "flexslider", slider);
   
   // Privat slider methods
   methods = {
     init: function() {
       slider.animating = false;
       slider.currentSlide = vars.startAt;
       slider.animatingTo = slider.currentSlide;
       slider.atEnd = (slider.currentSlide === 0 || slider.currentSlide === slider.last);
       slider.containerSelector = vars.selector.substr(0,vars.selector.search(' '));
       slider.slides = $(vars.selector, slider);
       slider.container = $(slider.containerSelector, slider);
       slider.count = slider.slides.length;
       // SYNC:
       slider.syncExists = $(vars.sync).length > 0;
       // SLIDE:
       if (vars.animation === "slide") vars.animation = "swing";
       slider.prop = (vertical) ? "top" : "marginLeft";
       slider.args = {};
       // SLIDESHOW:
       slider.manualPause = false;
       // TOUCH/USECSS:
       slider.transitions = !vars.video && !fade && 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;
       }());
       // CONTROLSCONTAINER:
       if (vars.controlsContainer !== "") slider.controlsContainer = $(vars.controlsContainer).length > 0 && $(vars.controlsContainer);
       // MANUAL:
       if (vars.manualControls !== "") slider.manualControls = $(vars.manualControls).length > 0 && $(vars.manualControls);
       
       // RANDOMIZE:
       if (vars.randomize) {
         slider.slides.sort(function() { return (Math.round(Math.random())-0.5); });
         slider.container.empty().append(slider.slides);
       }
       
       slider.doMath();
       
       // ASNAV:
       if (asNav) methods.asNav.setup();
       
       // INIT
       slider.setup("init");
       
       // CONTROLNAV:
       if (vars.controlNav) methods.controlNav.setup();
       
       // DIRECTIONNAV:
       if (vars.directionNav) methods.directionNav.setup();
       
       // KEYBOARD:
       if (vars.keyboard && ($(slider.containerSelector).length === 1 || vars.multipleKeyboard)) {
         $(document).bind('keyup', function(event) {
           var keycode = event.keyCode;
           if (!slider.animating && (keycode === 39 || keycode === 37)) {
             var target = (keycode === 39) ? slider.getTarget('next') :
                          (keycode === 37) ? slider.getTarget('prev') : false;
             slider.flexAnimate(target, vars.pauseOnAction);
           }
         });
       }
       // MOUSEWHEEL:
       if (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, vars.pauseOnAction);
         });
       }
       
       // PAUSEPLAY
       if (vars.pausePlay) methods.pausePlay.setup();
       
       // SLIDSESHOW
       if (vars.slideshow) {
         if (vars.pauseOnHover) {
           slider.hover(function() {
             if (!slider.manualPlay && !slider.manualPause) slider.pause();
           }, function() {
             if (!slider.manualPause && !slider.manualPlay) slider.play();
           });
         }
         // initialize animation
         (vars.initDelay > 0) ? setTimeout(slider.play, vars.initDelay) : slider.play();
       }
       
       // TOUCH
       if (touch && vars.touch) methods.touch();
       
       // FADE&&SMOOTHHEIGHT || SLIDE:
       if (!fade || (fade && vars.smoothHeight)) $(window).bind("resize focus", methods.resize);
       
       
       // API: start() Callback
       setTimeout(function(){
         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");
         slider.slides.click(function(e){
           e.preventDefault();
           var $slide = $(this),
               target = $slide.index();
           if (!$(vars.asNavFor).data('flexslider').animating && !$slide.hasClass('active')) {
             slider.direction = (slider.currentItem < target) ? "next" : "prev";
             slider.flexAnimate(target, vars.pauseOnAction, false, true, true);
           }
         });
       }
     },
     controlNav: {
       setup: function() {
         if (!slider.manualControls) {
           methods.controlNav.setupPaging();
         } else { // MANUALCONTROLS:
           methods.controlNav.setupManual();
         }
       },
       setupPaging: function() {
         var type = (vars.controlNav === "thumbnails") ? 'control-thumbs' : 'control-paging',
             j = 1,
             item;

slider.controlNavScaffold = $('

');

         if (slider.pagingCount > 1) {
           for (var i = 0; i < slider.pagingCount; i++) {
             item = (vars.controlNav === "thumbnails") ? '<img src="' + slider.slides.eq(i).attr("data-thumb") + '"/>' : '<a>' + j + '</a>';

slider.controlNavScaffold.append('

' + item + '

');

             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();
           var $this = $(this),
               target = slider.controlNav.index($this);

           if (!$this.hasClass(namespace + 'active')) {
             slider.direction = (target > slider.currentSlide) ? "next" : "prev";
             slider.flexAnimate(target, vars.pauseOnAction);
           }
         });
         // Prevent iOS click event bug
         if (touch) {
           slider.controlNavScaffold.delegate('a', "click touchstart", function(event) {
             event.preventDefault();
           });
         }
       },
       setupManual: function() {
         slider.controlNav = slider.manualControls;
         methods.controlNav.active();
         
         slider.controlNav.live(eventType, function(event) {
           event.preventDefault();
           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, vars.pauseOnAction);
           }
         });
         // Prevent iOS click event bug
         if (touch) {
           slider.controlNav.live("click touchstart", function(event) {
             event.preventDefault();
           });
         }
       },
       set: function() {
         var selector = (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($('

<a>' + slider.count + '</a>

'));

         } else if (slider.pagingCount === 1) {
           slider.controlNavScaffold.find('li').remove();
         } else {
           slider.controlNav.eq(pos).closest('li').remove();
         }
         methods.controlNav.set();
         (slider.pagingCount > 1 && slider.pagingCount !== slider.controlNav.length) ? slider.update(pos, action) : methods.controlNav.active();
       }
     },
     directionNav: {
       setup: function() {

var directionNavScaffold = $('

<a class="' + namespace + 'prev" href="#">' + vars.prevText + '</a>
<a class="' + namespace + 'next" href="#">' + vars.nextText + '</a>

');

         // CONTROLSCONTAINER:
         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 = ($(this).hasClass(namespace + 'next')) ? slider.getTarget('next') : slider.getTarget('prev');
           slider.flexAnimate(target, vars.pauseOnAction);
         });
         // Prevent iOS click event bug
         if (touch) {
           slider.directionNav.bind("click touchstart", function(event) {
             event.preventDefault();
           });
         }
       },
       update: function() {
         var disabledClass = namespace + 'disabled';
         if (slider.pagingCount === 1) {
           slider.directionNav.addClass(disabledClass);
         } else if (!vars.animationLoop) {
           if (slider.animatingTo === 0) {
             slider.directionNav.removeClass(disabledClass).filter('.' + namespace + "prev").addClass(disabledClass);
           } else if (slider.animatingTo === slider.last) {
             slider.directionNav.removeClass(disabledClass).filter('.' + namespace + "next").addClass(disabledClass);
           } else {
             slider.directionNav.removeClass(disabledClass);
           }
         } else {
           slider.directionNav.removeClass(disabledClass);
         }
       }
     },
     pausePlay: {
       setup: function() {

var pausePlayScaffold = $('

<a></a>

');

         // 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((vars.slideshow) ? namespace + 'pause' : namespace + 'play');

         slider.pausePlay.bind(eventType, function(event) {
           event.preventDefault();
           if ($(this).hasClass(namespace + 'pause')) {
             slider.manualPause = true;
             slider.manualPlay = false;
             slider.pause();
           } else {
             slider.manualPause = false;
             slider.manualPlay = true;
             slider.play();
           }
         });
         // Prevent iOS click event bug
         if (touch) {
           slider.pausePlay.bind("click touchstart", function(event) {
             event.preventDefault();
           });
         }
       },
       update: function(state) {
         (state === "play") ? slider.pausePlay.removeClass(namespace + 'pause').addClass(namespace + 'play').text(vars.playText) : slider.pausePlay.removeClass(namespace + 'play').addClass(namespace + 'pause').text(vars.pauseText);
       }
     },
     touch: function() {
       var startX,
         startY,
         offset,
         cwidth,
         dx,
         startT,
         scrolling = false;
             
       el.addEventListener('touchstart', onTouchStart, false);
       function onTouchStart(e) {
         if (slider.animating) {
           e.preventDefault();
         } else if (e.touches.length === 1) {
           slider.pause();
           // CAROUSEL: 
           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 + vars.itemMargin) * slider.move) * slider.animatingTo) :
                    (carousel && slider.currentSlide === slider.last) ? slider.limit :
                    (carousel) ? ((slider.itemW + vars.itemMargin) * slider.move) * slider.currentSlide : 
                    (reverse) ? (slider.last - slider.currentSlide + slider.cloneOffset) * cwidth : (slider.currentSlide + slider.cloneOffset) * cwidth;
           startX = (vertical) ? e.touches[0].pageY : e.touches[0].pageX;
           startY = (vertical) ? e.touches[0].pageX : e.touches[0].pageY;

           el.addEventListener('touchmove', onTouchMove, false);
           el.addEventListener('touchend', onTouchEnd, false);
         }
       }

       function onTouchMove(e) {
         dx = (vertical) ? startX - e.touches[0].pageY : startX - e.touches[0].pageX;
         scrolling = (vertical) ? (Math.abs(dx) < Math.abs(e.touches[0].pageX - startY)) : (Math.abs(dx) < Math.abs(e.touches[0].pageY - startY));
         
         if (!scrolling || Number(new Date()) - startT > 500) {
           e.preventDefault();
           if (!fade && slider.transitions) {
             if (!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");
           }
         }
       }
       
       function onTouchEnd(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, vars.pauseOnAction);
           } else {
             if (!fade) slider.flexAnimate(slider.currentSlide, vars.pauseOnAction, true);
           }
         }
         el.removeEventListener('touchend', onTouchEnd, false);
         startX = null;
         startY = null;
         dx = null;
         offset = null;
       }
     },
     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 (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).height()}, dur) : $obj.height(slider.slides.eq(slider.animatingTo).height());
       }
     },
     sync: function(action) {
       var $obj = $(vars.sync).data("flexslider"),
           target = slider.animatingTo;
       
       switch (action) {
         case "animate": $obj.flexAnimate(target, vars.pauseOnAction, false, true); break;
         case "play": if (!$obj.playing && !$obj.asNav) { $obj.play(); } break;
         case "pause": $obj.pause(); break;
       }
     }
   }
   
   // public methods
   slider.flexAnimate = function(target, pause, override, withSync, fromNav) {
     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 = $(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");
           target = Math.floor(target/slider.visible);
         } else {
           slider.currentItem = target;
           slider.slides.removeClass(namespace + "active-slide").eq(target).addClass(namespace + "active-slide");
           return false;
         }
       }
       
       slider.animating = true;
       slider.animatingTo = target;
       // API: before() animation Callback
       vars.before(slider);
       
       // SLIDESHOW:
       if (pause) slider.pause();
       
       // SYNC:
       if (slider.syncExists && !fromNav) methods.sync("animate");
       
       // CONTROLNAV
       if (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');
       
       // INFINITE LOOP:
       // CANDIDATE: atEnd
       slider.atEnd = target === 0 || target === slider.last;
       
       // DIRECTIONNAV:
       if (vars.directionNav) methods.directionNav.update();
       
       if (target === slider.last) {
         // API: end() of cycle Callback
         vars.end(slider);
         // SLIDESHOW && !INFINITE LOOP:
         if (!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 = (vars.itemWidth > slider.w) ? vars.itemMargin * 2 : 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 && vars.animationLoop && slider.direction !== "next") {
           slideString = (reverse) ? (slider.count + slider.cloneOffset) * dimension : 0;
         } else if (slider.currentSlide === slider.last && target === 0 && 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, "", vars.animationSpeed);
         if (slider.transitions) {
           if (!vars.animationLoop || !slider.atEnd) {
             slider.animating = false;
             slider.currentSlide = slider.animatingTo;
           }
           slider.container.unbind("webkitTransitionEnd transitionend");
           slider.container.bind("webkitTransitionEnd transitionend", function() {
             slider.wrapup(dimension);
           });
         } else {
           slider.container.animate(slider.args, vars.animationSpeed, vars.easing, function(){
             slider.wrapup(dimension);
           });
         }
       } else { // FADE:
         if (!touch) {
           slider.slides.eq(slider.currentSlide).fadeOut(vars.animationSpeed, vars.easing);
           slider.slides.eq(target).fadeIn(vars.animationSpeed, 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.slides.unbind("webkitTransitionEnd transitionend");
           slider.slides.eq(slider.currentSlide).bind("webkitTransitionEnd transitionend", function() {
             // API: after() animation Callback
             vars.after(slider);
           });
           
           slider.animating = false;
           slider.currentSlide = slider.animatingTo;
         }
       }
       // SMOOTH HEIGHT:
       if (vars.smoothHeight) methods.smoothHeight(vars.animationSpeed);
     }
   } 
   slider.wrapup = function(dimension) {
     // SLIDE:
     if (!fade && !carousel) {
       if (slider.currentSlide === 0 && slider.animatingTo === slider.last && vars.animationLoop) {
         slider.setProps(dimension, "jumpEnd");
       } else if (slider.currentSlide === slider.last && slider.animatingTo === 0 && vars.animationLoop) {
         slider.setProps(dimension, "jumpStart");
       }
     }
     slider.animating = false;
     slider.currentSlide = slider.animatingTo;
     // API: after() animation Callback
     vars.after(slider);
   }
   
   // SLIDESHOW:
   slider.animateSlides = function() {
     if (!slider.animating) slider.flexAnimate(slider.getTarget("next"));
   }
   // SLIDESHOW:
   slider.pause = function() {
     clearInterval(slider.animatedSlides);
     slider.playing = false;
     // PAUSEPLAY:
     if (vars.pausePlay) methods.pausePlay.update("play");
     // SYNC:
     if (slider.syncExists) methods.sync("pause");
   }
   // SLIDESHOW:
   slider.play = function() {
     slider.animatedSlides = setInterval(slider.animateSlides, vars.slideshowSpeed);
     slider.playing = true;
     // PAUSEPLAY:
     if (vars.pausePlay) methods.pausePlay.update("pause");
     // SYNC:
     if (slider.syncExists) methods.sync("play");
   }
   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 :
            (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 + 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 + 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 * -1) + "px";
         }());

     if (slider.transitions) {
       target = (vertical) ? "translate3d(0," + target + ",0)" : "translate3d(" + target + ",0,0)";
       dur = (dur !== undefined) ? (dur/1000) + "s" : "0s";
       slider.container.css("-" + slider.pfx + "-transition-duration", dur);
     }
     
     slider.args[slider.prop] = target;
     if (slider.transitions || dur === undefined) slider.container.css(slider.args);
   }
   
   slider.setup = function(type) {
     // SLIDE:
     if (!fade) {
       var sliderOffset, arr;
           
       if (type === "init") {

slider.viewport = $('

').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 (vars.animationLoop && !carousel) {
         slider.cloneCount = 2;
         slider.cloneOffset = 1;
         // clear out old clones
         if (type !== "init") slider.container.find('.clone').remove();
         slider.container.append(slider.slides.first().clone().addClass('clone')).prepend(slider.slides.last().clone().addClass('clone'));
       }
       slider.newSlides = $(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();
           slider.newSlides.css({"width": slider.computedW, "float": "left", "display": "block"});
           // SMOOTH HEIGHT:
           if (vars.smoothHeight) methods.smoothHeight();
         }, (type === "init") ? 100 : 0);
       }
     } else { // FADE: 
       slider.slides.css({"width": "100%", "float": "left", "marginRight": "-100%", "position": "relative"});
       if (type === "init") {
         if (!touch) {
           slider.slides.eq(slider.currentSlide).fadeIn(vars.animationSpeed, vars.easing);
         } else {
           slider.slides.css({ "opacity": 0, "display": "block", "webkitTransition": "opacity " + vars.animationSpeed / 1000 + "s ease", "zIndex": 1 }).eq(slider.currentSlide).css({ "opacity": 1, "zIndex": 2});
         }
       }
       // SMOOTH HEIGHT:
       if (vars.smoothHeight) methods.smoothHeight();
     }
     // !CAROUSEL:
     // CANDIDATE: active slide
     if (!carousel) slider.slides.removeClass(namespace + "active-slide").eq(slider.currentSlide).addClass(namespace + "active-slide");
   }
   
   slider.doMath = function() {
     var slide = slider.slides.first(),
         slideMargin = vars.itemMargin,
         minItems = vars.minItems,
         maxItems = vars.maxItems;
     
     slider.w = slider.width();
     slider.h = slide.height();
     slider.boxPadding = slide.outerWidth() - slide.width();

     // CAROUSEL:
     if (carousel) {
       slider.itemT = vars.itemWidth + slideMargin;
       slider.minW = (minItems) ? minItems * slider.itemT : slider.w;
       slider.maxW = (maxItems) ? maxItems * slider.itemT : slider.w;
       slider.itemW = (slider.minW > slider.w) ? (slider.w - (slideMargin * minItems))/minItems :
                      (slider.maxW < slider.w) ? (slider.w - (slideMargin * maxItems))/maxItems :
                      (vars.itemWidth > slider.w) ? slider.w : vars.itemWidth;
       slider.visible = Math.floor(slider.w/(slider.itemW + slideMargin));
       slider.move = (vars.move > 0 && vars.move < slider.visible ) ? vars.move : slider.visible;
       slider.pagingCount = Math.ceil(((slider.count - slider.visible)/slider.move) + 1);
       slider.last =  slider.pagingCount - 1;
       slider.limit = (slider.pagingCount === 1) ? 0 :
                      (vars.itemWidth > slider.w) ? ((slider.itemW + (slideMargin * 2)) * slider.count) - slider.w - slideMargin : ((slider.itemW + slideMargin) * slider.count) - slider.w - slideMargin;
     } else {
       slider.itemW = slider.w;
       slider.pagingCount = slider.count;
       slider.last = slider.count - 1;
     }
     slider.computedW = slider.itemW - slider.boxPadding;
   }
   
   slider.update = function(pos, action) {
     slider.doMath();
     
     // update currentSlide and slider.animatingTo if necessary
     if (!carousel) {
       if (pos < slider.currentSlide) {
         slider.currentSlide += 1;
       } else if (pos <= slider.currentSlide && pos !== 0) {
         slider.currentSlide -= 1;
       }
       slider.animatingTo = slider.currentSlide;
     }
     
     // update controlNav
     if (vars.controlNav && !slider.manualControls) {
       if ((action === "add" && !carousel) || slider.pagingCount > slider.controlNav.length) {
         methods.controlNav.update("add");
       } else if ((action === "remove" && !carousel) || slider.pagingCount < slider.controlNav.length) {
         if (carousel && slider.currentSlide > slider.last) {
           slider.currentSlide -= 1;
           slider.animatingTo -= 1;
         }
         methods.controlNav.update("remove", slider.last);
       }
     }
     // update directionNav
     if (vars.directionNav) methods.directionNav.update();
     
   }
   
   slider.addSlide = function(obj, pos) {
     var $obj = $(obj);
     
     slider.count += 1;
     slider.last = slider.count - 1;
     
     // append new slide
     if (vertical && reverse) {
       (pos !== undefined) ? slider.slides.eq(slider.count - pos).after($obj) : slider.container.prepend($obj);
     } else {
       (pos !== undefined) ? slider.slides.eq(pos).before($obj) : slider.container.append($obj);
     }
     
     // update currentSlide, animatingTo, controlNav, and directionNav
     slider.update(pos, "add");
     
     // update slider.slides
     slider.slides = $(vars.selector + ':not(.clone)', slider);
     // re-setup the slider to accomdate new slide
     slider.setup();
     
     //FlexSlider: added() Callback
     vars.added(slider);
   }
   slider.removeSlide = function(obj) {
     var pos = (isNaN(obj)) ? slider.slides.index($(obj)) : obj;
     
     // update count
     slider.count -= 1;
     slider.last = slider.count - 1;
     
     // remove slide
     if (isNaN(obj)) {
       $(obj, slider.slides).remove();
     } else {
       (vertical && reverse) ? slider.slides.eq(slider.last).remove() : slider.slides.eq(obj).remove();
     }
     
     // update currentSlide, animatingTo, controlNav, and directionNav
     slider.doMath();
     slider.update(pos, "remove");
     
     // update slider.slides
     slider.slides = $(vars.selector + ':not(.clone)', slider);
     // re-setup the slider to accomdate new slide
     slider.setup();
     
     // FlexSlider: removed() Callback
     vars.removed(slider);
   }
   
   //FlexSlider: Initialize
   methods.init();
 }
 
 //FlexSlider: Default Settings
 $.flexslider.defaults = {
   namespace: "flex-",             //{NEW} String: Prefix string attached to the class of every element generated by the plugin
   selector: ".slides > li",       //{NEW} Selector: Must match a simple pattern. '{container} > {slide}' -- Ignore pattern at your own peril
   animation: "fade",              //String: Select your animation type, "fade" or "slide"
   easing: "swing",               //{NEW} String: Determines the easing method used in jQuery transitions. jQuery easing plugin is supported!
   direction: "horizontal",        //String: Select the sliding direction, "horizontal" or "vertical"
   reverse: false,                 //{NEW} Boolean: Reverse the animation direction
   animationLoop: true,             //Boolean: Should the animation loop? If false, directionNav will received "disable" classes at either end
   smoothHeight: false,            //{NEW} Boolean: Allow height of the slider to animate smoothly in horizontal mode  
   startAt: 0,                     //Integer: The slide that the slider should start on. Array notation (0 = first slide)
   slideshow: true,                //Boolean: Animate slider automatically
   slideshowSpeed: 7000,           //Integer: Set the speed of the slideshow cycling, in milliseconds
   animationSpeed: 600,            //Integer: Set the speed of animations, in milliseconds
   initDelay: 0,                   //{NEW} Integer: Set an initialization delay, in milliseconds
   randomize: false,               //Boolean: Randomize slide order
   
   // Usability features
   pauseOnAction: true,            //Boolean: Pause the slideshow when interacting with control elements, highly recommended.
   pauseOnHover: false,            //Boolean: Pause the slideshow when hovering over slider, then resume when no longer hovering
   useCSS: true,                   //{NEW} Boolean: Slider will use CSS3 transitions if available
   touch: true,                    //{NEW} Boolean: Allow touch swipe navigation of the slider on touch-enabled devices
   video: false,                   //{NEW} Boolean: If using video in the slider, will prevent CSS3 3D Transforms to avoid graphical glitches
   
   // Primary Controls
   controlNav: true,               //Boolean: Create navigation for paging control of each clide? Note: Leave true for manualControls usage
   directionNav: true,             //Boolean: Create navigation for previous/next navigation? (true/false)
   prevText: "Previous",           //String: Set the text for the "previous" directionNav item
   nextText: "Next",               //String: Set the text for the "next" directionNav item
   
   // Secondary Navigation
   keyboard: true,                 //Boolean: Allow slider navigating via keyboard left/right keys
   multipleKeyboard: false,        //{NEW} Boolean: Allow keyboard navigation to affect multiple sliders. Default behavior cuts out keyboard navigation with more than one slider present.
   mousewheel: false,              //{UPDATED} Boolean: Requires jquery.mousewheel.js (https://github.com/brandonaaron/jquery-mousewheel) - Allows slider navigating via mousewheel
   pausePlay: false,               //Boolean: Create pause/play dynamic element
   pauseText: "Pause",             //String: Set the text for the "pause" pausePlay item
   playText: "Play",               //String: Set the text for the "play" pausePlay item
   
   // Special properties
   controlsContainer: "",          //{UPDATED} jQuery Object/Selector: Declare which container the navigation elements should be appended too. Default container is the FlexSlider element. Example use would be $(".flexslider-container"). Property is ignored if given element is not found.
   manualControls: "",             //{UPDATED} jQuery Object/Selector: Declare custom control navigation. Examples would be $(".flex-control-nav li") or "#tabs-nav li img", etc. The number of elements in your controlNav should match the number of slides/tabs.
   sync: "",                       //{NEW} Selector: Mirror the actions performed on this slider with another slider. Use with care.
   asNavFor: "",                   //{NEW} Selector: Internal property exposed for turning the slider into a thumbnail navigation for another slider
   
   // Carousel Options
   itemWidth: 0,                   //{NEW} Integer: Box-model width of individual carousel items, including horizontal borders and padding.
   itemMargin: 0,                  //{NEW} Integer: Margin between carousel items.
   minItems: 0,                    //{NEW} Integer: Minimum number of carousel items that should be visible. Items will resize fluidly when below this.
   maxItems: 0,                    //{NEW} Integer: Maxmimum number of carousel items that should be visible. Items will resize fluidly when above this limit.
   move: 0,                        //{NEW} Integer: Number of carousel items that should move on animation. If 0, slider will move all visible items.
                                   
   // Callback API
   start: function(){},            //Callback: function(slider) - Fires when the slider loads the first slide
   before: function(){},           //Callback: function(slider) - Fires asynchronously with each slider animation
   after: function(){},            //Callback: function(slider) - Fires after each slider animation completes
   end: function(){},              //Callback: function(slider) - Fires when the slider reaches the last slide (asynchronous)
   added: function(){},            //{NEW} Callback: function(slider) - Fires after a slide is added
   removed: function(){}           //{NEW} Callback: function(slider) - Fires after a slide is removed
 }

 //FlexSlider: Plugin Function
 $.fn.flexslider = function(options) {
   if (options === undefined) options = {};
   
   if (typeof options === "object") {
     return this.each(function() {
       var $this = $(this),
           selector = (options.selector) ? options.selector : ".slides > li",
           $slides = $this.find(selector);

       if ($slides.length === 1) {
         $slides.fadeIn(400);
         if (options.start) options.start($this);
       } else if ($this.data('flexslider') == undefined) {
         new $.flexslider(this, options);
       }
     });
   } else {
     // Helper strings to quickly perform functions on the slider
     var $slider = $(this).data('flexslider');
     switch (options) {
       case "play": $slider.play(); break;
       case "pause": $slider.pause(); break;
       case "next": $slider.flexAnimate($slider.getTarget("next"), true); break;
       case "prev":
       case "previous": $slider.flexAnimate($slider.getTarget("prev"), true); break;
       default: if (typeof options === "number") $slider.flexAnimate(options, true);
     }
   }
 }

})(jQuery);