git.roojs.org Git - bootswatch/blob - mPurpose/js/jquery.bxslider.js

   1 /**
   2  * BxSlider v4.1.1 - Fully loaded, responsive content slider
   3  * http://bxslider.com
   4  *
   5  * Copyright 2013, Steven Wanderski - http://stevenwanderski.com - http://bxcreative.com
   6  * Written while drinking Belgian ales and listening to jazz
   7  *
   8  * Released under the MIT license - http://opensource.org/licenses/MIT
   9  */
  10
  11 ;(function($){
  12
  13         var plugin = {};
  14
  15         var defaults = {
  16
  17                 // GENERAL
  18                 mode: 'horizontal',
  19                 slideSelector: '',
  20                 infiniteLoop: true,
  21                 hideControlOnEnd: false,
  22                 speed: 500,
  23                 easing: null,
  24                 slideMargin: 0,
  25                 startSlide: 0,
  26                 randomStart: false,
  27                 captions: false,
  28                 ticker: false,
  29                 tickerHover: false,
  30                 adaptiveHeight: false,
  31                 adaptiveHeightSpeed: 500,
  32                 video: false,
  33                 useCSS: true,
  34                 preloadImages: 'visible',
  35                 responsive: true,
  36
  37                 // TOUCH
  38                 touchEnabled: true,
  39                 swipeThreshold: 50,
  40                 oneToOneTouch: true,
  41                 preventDefaultSwipeX: true,
  42                 preventDefaultSwipeY: false,
  43
  44                 // PAGER
  45                 pager: true,
  46                 pagerType: 'full',
  47                 pagerShortSeparator: ' / ',
  48                 pagerSelector: null,
  49                 buildPager: null,
  50                 pagerCustom: null,
  51
  52                 // CONTROLS
  53                 controls: true,
  54                 nextText: 'Next',
  55                 prevText: 'Prev',
  56                 nextSelector: null,
  57                 prevSelector: null,
  58                 autoControls: false,
  59                 startText: 'Start',
  60                 stopText: 'Stop',
  61                 autoControlsCombine: false,
  62                 autoControlsSelector: null,
  63
  64                 // AUTO
  65                 auto: false,
  66                 pause: 4000,
  67                 autoStart: true,
  68                 autoDirection: 'next',
  69                 autoHover: false,
  70                 autoDelay: 0,
  71
  72                 // CAROUSEL
  73                 minSlides: 1,
  74                 maxSlides: 1,
  75                 moveSlides: 0,
  76                 slideWidth: 0,
  77
  78                 // CALLBACKS
  79                 onSliderLoad: function() {},
  80                 onSlideBefore: function() {},
  81                 onSlideAfter: function() {},
  82                 onSlideNext: function() {},
  83                 onSlidePrev: function() {}
  84         }
  85
  86         $.fn.bxSlider = function(options){
  87
  88                 if(this.length == 0) return this;
  89
  90                 // support mutltiple elements
  91                 if(this.length > 1){
  92                         this.each(function(){$(this).bxSlider(options)});
  93                         return this;
  94                 }
  95
  96                 // create a namespace to be used throughout the plugin
  97                 var slider = {};
  98                 // set a reference to our slider element
  99                 var el = this;
 100                 plugin.el = this;
 101
 102                 /**
 103                  * Makes slideshow responsive
 104                  */
 105                 // first get the original window dimens (thanks alot IE)
 106                 var windowWidth = $(window).width();
 107                 var windowHeight = $(window).height();
 108
 109
 110
 111                 /**
 112                  * ===================================================================================
 113                  * = PRIVATE FUNCTIONS
 114                  * ===================================================================================
 115                  */
 116
 117                 /**
 118                  * Initializes namespace settings to be used throughout plugin
 119                  */
 120                 var init = function(){
 121                         // merge user-supplied options with the defaults
 122                         slider.settings = $.extend({}, defaults, options);
 123                         // parse slideWidth setting
 124                         slider.settings.slideWidth = parseInt(slider.settings.slideWidth);
 125                         // store the original children
 126                         slider.children = el.children(slider.settings.slideSelector);
 127                         // check if actual number of slides is less than minSlides / maxSlides
 128                         if(slider.children.length < slider.settings.minSlides) slider.settings.minSlides = slider.children.length;
 129                         if(slider.children.length < slider.settings.maxSlides) slider.settings.maxSlides = slider.children.length;
 130                         // if random start, set the startSlide setting to random number
 131                         if(slider.settings.randomStart) slider.settings.startSlide = Math.floor(Math.random() * slider.children.length);
 132                         // store active slide information
 133                         slider.active = { index: slider.settings.startSlide }
 134                         // store if the slider is in carousel mode (displaying / moving multiple slides)
 135                         slider.carousel = slider.settings.minSlides > 1 || slider.settings.maxSlides > 1;
 136                         // if carousel, force preloadImages = 'all'
 137                         if(slider.carousel) slider.settings.preloadImages = 'all';
 138                         // calculate the min / max width thresholds based on min / max number of slides
 139                         // used to setup and update carousel slides dimensions
 140                         slider.minThreshold = (slider.settings.minSlides * slider.settings.slideWidth) + ((slider.settings.minSlides - 1) * slider.settings.slideMargin);
 141                         slider.maxThreshold = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin);
 142                         // store the current state of the slider (if currently animating, working is true)
 143                         slider.working = false;
 144                         // initialize the controls object
 145                         slider.controls = {};
 146                         // initialize an auto interval
 147                         slider.interval = null;
 148                         // determine which property to use for transitions
 149                         slider.animProp = slider.settings.mode == 'vertical' ? 'top' : 'left';
 150                         // determine if hardware acceleration can be used
 151                         slider.usingCSS = slider.settings.useCSS && slider.settings.mode != 'fade' && (function(){
 152                                 // create our test div element
 153                                 var div = document.createElement('div');
 154                                 // css transition properties
 155                                 var props = ['WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective'];
 156                                 // test for each property
 157                                 for(var i in props){
 158                                         if(div.style[props[i]] !== undefined){
 159                                                 slider.cssPrefix = props[i].replace('Perspective', '').toLowerCase();
 160                                                 slider.animProp = '-' + slider.cssPrefix + '-transform';
 161                                                 return true;
 162                                         }
 163                                 }
 164                                 return false;
 165                         }());
 166                         // if vertical mode always make maxSlides and minSlides equal
 167                         if(slider.settings.mode == 'vertical') slider.settings.maxSlides = slider.settings.minSlides;
 168                         // save original style data
 169                         el.data("origStyle", el.attr("style"));
 170                         el.children(slider.settings.slideSelector).each(function() {
 171                           $(this).data("origStyle", $(this).attr("style"));
 172                         });
 173                         // perform all DOM / CSS modifications
 174                         setup();
 175                 }
 176
 177                 /**
 178                  * Performs all DOM and CSS modifications
 179                  */
 180                 var setup = function(){
 181                         // wrap el in a wrapper
 182                         el.wrap('<div class="bx-wrapper"><div class="bx-viewport"></div></div>');
 183                         // store a namspace reference to .bx-viewport
 184                         slider.viewport = el.parent();
 185                         // add a loading div to display while images are loading
 186                         slider.loader = $('<div class="bx-loading" />');
 187                         slider.viewport.prepend(slider.loader);
 188                         // set el to a massive width, to hold any needed slides
 189                         // also strip any margin and padding from el
 190                         el.css({
 191                                 width: slider.settings.mode == 'horizontal' ? (slider.children.length * 100 + 215) + '%' : 'auto',
 192                                 position: 'relative'
 193                         });
 194                         // if using CSS, add the easing property
 195                         if(slider.usingCSS && slider.settings.easing){
 196                                 el.css('-' + slider.cssPrefix + '-transition-timing-function', slider.settings.easing);
 197                         // if not using CSS and no easing value was supplied, use the default JS animation easing (swing)
 198                         }else if(!slider.settings.easing){
 199                                 slider.settings.easing = 'swing';
 200                         }
 201                         var slidesShowing = getNumberSlidesShowing();
 202                         // make modifications to the viewport (.bx-viewport)
 203                         slider.viewport.css({
 204                                 width: '100%',
 205                                 overflow: 'hidden',
 206                                 position: 'relative'
 207                         });
 208                         slider.viewport.parent().css({
 209                                 maxWidth: getViewportMaxWidth()
 210                         });
 211                         // make modification to the wrapper (.bx-wrapper)
 212                         if(!slider.settings.pager) {
 213                                 slider.viewport.parent().css({
 214                                 margin: '0 auto 0px'
 215                                 });
 216                         }
 217                         // apply css to all slider children
 218                         slider.children.css({
 219                                 'float': slider.settings.mode == 'horizontal' ? 'left' : 'none',
 220                                 listStyle: 'none',
 221                                 position: 'relative'
 222                         });
 223                         // apply the calculated width after the float is applied to prevent scrollbar interference
 224                         slider.children.css('width', getSlideWidth());
 225                         // if slideMargin is supplied, add the css
 226                         if(slider.settings.mode == 'horizontal' && slider.settings.slideMargin > 0) slider.children.css('marginRight', slider.settings.slideMargin);
 227                         if(slider.settings.mode == 'vertical' && slider.settings.slideMargin > 0) slider.children.css('marginBottom', slider.settings.slideMargin);
 228                         // if "fade" mode, add positioning and z-index CSS
 229                         if(slider.settings.mode == 'fade'){
 230                                 slider.children.css({
 231                                         position: 'absolute',
 232                                         zIndex: 0,
 233                                         display: 'none'
 234                                 });
 235                                 // prepare the z-index on the showing element
 236                                 slider.children.eq(slider.settings.startSlide).css({zIndex: 50, display: 'block'});
 237                         }
 238                         // create an element to contain all slider controls (pager, start / stop, etc)
 239                         slider.controls.el = $('<div class="bx-controls" />');
 240                         // if captions are requested, add them
 241                         if(slider.settings.captions) appendCaptions();
 242                         // check if startSlide is last slide
 243                         slider.active.last = slider.settings.startSlide == getPagerQty() - 1;
 244                         // if video is true, set up the fitVids plugin
 245                         if(slider.settings.video) el.fitVids();
 246                         // set the default preload selector (visible)
 247                         var preloadSelector = slider.children.eq(slider.settings.startSlide);
 248                         if (slider.settings.preloadImages == "all") preloadSelector = slider.children;
 249                         // only check for control addition if not in "ticker" mode
 250                         if(!slider.settings.ticker){
 251                                 // if pager is requested, add it
 252                                 if(slider.settings.pager) appendPager();
 253                                 // if controls are requested, add them
 254                                 if(slider.settings.controls) appendControls();
 255                                 // if auto is true, and auto controls are requested, add them
 256                                 if(slider.settings.auto && slider.settings.autoControls) appendControlsAuto();
 257                                 // if any control option is requested, add the controls wrapper
 258                                 if(slider.settings.controls || slider.settings.autoControls || slider.settings.pager) slider.viewport.after(slider.controls.el);
 259                         // if ticker mode, do not allow a pager
 260                         }else{
 261                                 slider.settings.pager = false;
 262                         }
 263                         // preload all images, then perform final DOM / CSS modifications that depend on images being loaded
 264                         loadElements(preloadSelector, start);
 265                 }
 266
 267                 var loadElements = function(selector, callback){
 268                         var total = selector.find('img, iframe').length;
 269                         if (total == 0){
 270                                 callback();
 271                                 return;
 272                         }
 273                         var count = 0;
 274                         selector.find('img, iframe').each(function(){
 275                                 $(this).one('load', function() {
 276                                   if(++count == total) callback();
 277                                 }).each(function() {
 278                                   if(this.complete) $(this).load();
 279                                 });
 280                         });
 281                 }
 282
 283                 /**
 284                  * Start the slider
 285                  */
 286                 var start = function(){
 287                         // if infinite loop, prepare additional slides
 288                         if(slider.settings.infiniteLoop && slider.settings.mode != 'fade' && !slider.settings.ticker){
 289                                 var slice = slider.settings.mode == 'vertical' ? slider.settings.minSlides : slider.settings.maxSlides;
 290                                 var sliceAppend = slider.children.slice(0, slice).clone().addClass('bx-clone');
 291                                 var slicePrepend = slider.children.slice(-slice).clone().addClass('bx-clone');
 292                                 el.append(sliceAppend).prepend(slicePrepend);
 293                         }
 294                         // remove the loading DOM element
 295                         slider.loader.remove();
 296                         // set the left / top position of "el"
 297                         setSlidePosition();
 298                         // if "vertical" mode, always use adaptiveHeight to prevent odd behavior
 299                         if (slider.settings.mode == 'vertical') slider.settings.adaptiveHeight = true;
 300                         // set the viewport height
 301                         slider.viewport.height(getViewportHeight());
 302                         // make sure everything is positioned just right (same as a window resize)
 303                         el.redrawSlider();
 304                         // onSliderLoad callback
 305                         slider.settings.onSliderLoad(slider.active.index);
 306                         // slider has been fully initialized
 307                         slider.initialized = true;
 308                         // bind the resize call to the window
 309                         if (slider.settings.responsive) $(window).bind('resize', resizeWindow);
 310                         // if auto is true, start the show
 311                         if (slider.settings.auto && slider.settings.autoStart) initAuto();
 312                         // if ticker is true, start the ticker
 313                         if (slider.settings.ticker) initTicker();
 314                         // if pager is requested, make the appropriate pager link active
 315                         if (slider.settings.pager) updatePagerActive(slider.settings.startSlide);
 316                         // check for any updates to the controls (like hideControlOnEnd updates)
 317                         if (slider.settings.controls) updateDirectionControls();
 318                         // if touchEnabled is true, setup the touch events
 319                         if (slider.settings.touchEnabled && !slider.settings.ticker) initTouch();
 320                 }
 321
 322                 /**
 323                  * Returns the calculated height of the viewport, used to determine either adaptiveHeight or the maxHeight value
 324                  */
 325                 var getViewportHeight = function(){
 326                         var height = 0;
 327                         // first determine which children (slides) should be used in our height calculation
 328                         var children = $();
 329                         // if mode is not "vertical" and adaptiveHeight is false, include all children
 330                         if(slider.settings.mode != 'vertical' && !slider.settings.adaptiveHeight){
 331                                 children = slider.children;
 332                         }else{
 333                                 // if not carousel, return the single active child
 334                                 if(!slider.carousel){
 335                                         children = slider.children.eq(slider.active.index);
 336                                 // if carousel, return a slice of children
 337                                 }else{
 338                                         // get the individual slide index
 339                                         var currentIndex = slider.settings.moveSlides == 1 ? slider.active.index : slider.active.index * getMoveBy();
 340                                         // add the current slide to the children
 341                                         children = slider.children.eq(currentIndex);
 342                                         // cycle through the remaining "showing" slides
 343                                         for (i = 1; i <= slider.settings.maxSlides - 1; i++){
 344                                                 // if looped back to the start
 345                                                 if(currentIndex + i >= slider.children.length){
 346                                                         children = children.add(slider.children.eq(i - 1));
 347                                                 }else{
 348                                                         children = children.add(slider.children.eq(currentIndex + i));
 349                                                 }
 350                                         }
 351                                 }
 352                         }
 353                         // if "vertical" mode, calculate the sum of the heights of the children
 354                         if(slider.settings.mode == 'vertical'){
 355                                 children.each(function(index) {
 356                                   height += $(this).outerHeight();
 357                                 });
 358                                 // add user-supplied margins
 359                                 if(slider.settings.slideMargin > 0){
 360                                         height += slider.settings.slideMargin * (slider.settings.minSlides - 1);
 361                                 }
 362                         // if not "vertical" mode, calculate the max height of the children
 363                         }else{
 364                                 height = Math.max.apply(Math, children.map(function(){
 365                                         return $(this).outerHeight(false);
 366                                 }).get());
 367                         }
 368                         return height;
 369                 }
 370
 371                 /**
 372                  * Returns the calculated width to be used for the outer wrapper / viewport
 373                  */
 374                 var getViewportMaxWidth = function(){
 375                         var width = '100%';
 376                         if(slider.settings.slideWidth > 0){
 377                                 if(slider.settings.mode == 'horizontal'){
 378                                         width = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin);
 379                                 }else{
 380                                         width = slider.settings.slideWidth;
 381                                 }
 382                         }
 383                         return width;
 384                 }
 385
 386                 /**
 387                  * Returns the calculated width to be applied to each slide
 388                  */
 389                 var getSlideWidth = function(){
 390                         // start with any user-supplied slide width
 391                         var newElWidth = slider.settings.slideWidth;
 392                         // get the current viewport width
 393                         var wrapWidth = slider.viewport.width();
 394                         // if slide width was not supplied, or is larger than the viewport use the viewport width
 395                         if(slider.settings.slideWidth == 0 ||
 396                                 (slider.settings.slideWidth > wrapWidth && !slider.carousel) ||
 397                                 slider.settings.mode == 'vertical'){
 398                                 newElWidth = wrapWidth;
 399                         // if carousel, use the thresholds to determine the width
 400                         }else if(slider.settings.maxSlides > 1 && slider.settings.mode == 'horizontal'){
 401                                 if(wrapWidth > slider.maxThreshold){
 402                                         // newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.maxSlides - 1))) / slider.settings.maxSlides;
 403                                 }else if(wrapWidth < slider.minThreshold){
 404                                         newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.minSlides - 1))) / slider.settings.minSlides;
 405                                 }
 406                         }
 407                         return newElWidth;
 408                 }
 409
 410                 /**
 411                  * Returns the number of slides currently visible in the viewport (includes partially visible slides)
 412                  */
 413                 var getNumberSlidesShowing = function(){
 414                         var slidesShowing = 1;
 415                         if(slider.settings.mode == 'horizontal' && slider.settings.slideWidth > 0){
 416                                 // if viewport is smaller than minThreshold, return minSlides
 417                                 if(slider.viewport.width() < slider.minThreshold){
 418                                         slidesShowing = slider.settings.minSlides;
 419                                 // if viewport is larger than minThreshold, return maxSlides
 420                                 }else if(slider.viewport.width() > slider.maxThreshold){
 421                                         slidesShowing = slider.settings.maxSlides;
 422                                 // if viewport is between min / max thresholds, divide viewport width by first child width
 423                                 }else{
 424                                         var childWidth = slider.children.first().width();
 425                                         slidesShowing = Math.floor(slider.viewport.width() / childWidth);
 426                                 }
 427                         // if "vertical" mode, slides showing will always be minSlides
 428                         }else if(slider.settings.mode == 'vertical'){
 429                                 slidesShowing = slider.settings.minSlides;
 430                         }
 431                         return slidesShowing;
 432                 }
 433
 434                 /**
 435                  * Returns the number of pages (one full viewport of slides is one "page")
 436                  */
 437                 var getPagerQty = function(){
 438                         var pagerQty = 0;
 439                         // if moveSlides is specified by the user
 440                         if(slider.settings.moveSlides > 0){
 441                                 if(slider.settings.infiniteLoop){
 442                                         pagerQty = slider.children.length / getMoveBy();
 443                                 }else{
 444                                         // use a while loop to determine pages
 445                                         var breakPoint = 0;
 446                                         var counter = 0
 447                                         // when breakpoint goes above children length, counter is the number of pages
 448                                         while (breakPoint < slider.children.length){
 449                                                 ++pagerQty;
 450                                                 breakPoint = counter + getNumberSlidesShowing();
 451                                                 counter += slider.settings.moveSlides <= getNumberSlidesShowing() ? slider.settings.moveSlides : getNumberSlidesShowing();
 452                                         }
 453                                 }
 454                         // if moveSlides is 0 (auto) divide children length by sides showing, then round up
 455                         }else{
 456                                 pagerQty = Math.ceil(slider.children.length / getNumberSlidesShowing());
 457                         }
 458                         return pagerQty;
 459                 }
 460
 461                 /**
 462                  * Returns the number of indivual slides by which to shift the slider
 463                  */
 464                 var getMoveBy = function(){
 465                         // if moveSlides was set by the user and moveSlides is less than number of slides showing
 466                         if(slider.settings.moveSlides > 0 && slider.settings.moveSlides <= getNumberSlidesShowing()){
 467                                 return slider.settings.moveSlides;
 468                         }
 469                         // if moveSlides is 0 (auto)
 470                         return getNumberSlidesShowing();
 471                 }
 472
 473                 /**
 474                  * Sets the slider's (el) left or top position
 475                  */
 476                 var setSlidePosition = function(){
 477                         // if last slide, not infinite loop, and number of children is larger than specified maxSlides
 478                         if(slider.children.length > slider.settings.maxSlides && slider.active.last && !slider.settings.infiniteLoop){
 479                                 if (slider.settings.mode == 'horizontal'){
 480                                         // get the last child's position
 481                                         var lastChild = slider.children.last();
 482                                         var position = lastChild.position();
 483                                         // set the left position
 484                                         setPositionProperty(-(position.left - (slider.viewport.width() - lastChild.width())), 'reset', 0);
 485                                 }else if(slider.settings.mode == 'vertical'){
 486                                         // get the last showing index's position
 487                                         var lastShowingIndex = slider.children.length - slider.settings.minSlides;
 488                                         var position = slider.children.eq(lastShowingIndex).position();
 489                                         // set the top position
 490                                         setPositionProperty(-position.top, 'reset', 0);
 491                                 }
 492                         // if not last slide
 493                         }else{
 494                                 // get the position of the first showing slide
 495                                 var position = slider.children.eq(slider.active.index * getMoveBy()).position();
 496                                 // check for last slide
 497                                 if (slider.active.index == getPagerQty() - 1) slider.active.last = true;
 498                                 // set the repective position
 499                                 if (position != undefined){
 500                                         if (slider.settings.mode == 'horizontal') setPositionProperty(-position.left, 'reset', 0);
 501                                         else if (slider.settings.mode == 'vertical') setPositionProperty(-position.top, 'reset', 0);
 502                                 }
 503                         }
 504                 }
 505
 506                 /**
 507                  * Sets the el's animating property position (which in turn will sometimes animate el).
 508                  * If using CSS, sets the transform property. If not using CSS, sets the top / left property.
 509                  *
 510                  * @param value (int)
 511                  *  - the animating property's value
 512                  *
 513                  * @param type (string) 'slider', 'reset', 'ticker'
 514                  *  - the type of instance for which the function is being
 515                  *
 516                  * @param duration (int)
 517                  *  - the amount of time (in ms) the transition should occupy
 518                  *
 519                  * @param params (array) optional
 520                  *  - an optional parameter containing any variables that need to be passed in
 521                  */
 522                 var setPositionProperty = function(value, type, duration, params){
 523                         // use CSS transform
 524                         if(slider.usingCSS){
 525                                 // determine the translate3d value
 526                                 var propValue = slider.settings.mode == 'vertical' ? 'translate3d(0, ' + value + 'px, 0)' : 'translate3d(' + value + 'px, 0, 0)';
 527                                 // add the CSS transition-duration
 528                                 el.css('-' + slider.cssPrefix + '-transition-duration', duration / 1000 + 's');
 529                                 if(type == 'slide'){
 530                                         // set the property value
 531                                         el.css(slider.animProp, propValue);
 532                                         // bind a callback method - executes when CSS transition completes
 533                                         el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){
 534                                                 // unbind the callback
 535                                                 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd');
 536                                                 updateAfterSlideTransition();
 537                                         });
 538                                 }else if(type == 'reset'){
 539                                         el.css(slider.animProp, propValue);
 540                                 }else if(type == 'ticker'){
 541                                         // make the transition use 'linear'
 542                                         el.css('-' + slider.cssPrefix + '-transition-timing-function', 'linear');
 543                                         el.css(slider.animProp, propValue);
 544                                         // bind a callback method - executes when CSS transition completes
 545                                         el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){
 546                                                 // unbind the callback
 547                                                 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd');
 548                                                 // reset the position
 549                                                 setPositionProperty(params['resetValue'], 'reset', 0);
 550                                                 // start the loop again
 551                                                 tickerLoop();
 552                                         });
 553                                 }
 554                         // use JS animate
 555                         }else{
 556                                 var animateObj = {};
 557                                 animateObj[slider.animProp] = value;
 558                                 if(type == 'slide'){
 559                                         el.animate(animateObj, duration, slider.settings.easing, function(){
 560                                                 updateAfterSlideTransition();
 561                                         });
 562                                 }else if(type == 'reset'){
 563                                         el.css(slider.animProp, value)
 564                                 }else if(type == 'ticker'){
 565                                         el.animate(animateObj, speed, 'linear', function(){
 566                                                 setPositionProperty(params['resetValue'], 'reset', 0);
 567                                                 // run the recursive loop after animation
 568                                                 tickerLoop();
 569                                         });
 570                                 }
 571                         }
 572                 }
 573
 574                 /**
 575                  * Populates the pager with proper amount of pages
 576                  */
 577                 var populatePager = function(){
 578                         var pagerHtml = '';
 579                         var pagerQty = getPagerQty();
 580                         // loop through each pager item
 581                         for(var i=0; i < pagerQty; i++){
 582                                 var linkContent = '';
 583                                 // if a buildPager function is supplied, use it to get pager link value, else use index + 1
 584                                 if(slider.settings.buildPager && $.isFunction(slider.settings.buildPager)){
 585                                         linkContent = slider.settings.buildPager(i);
 586                                         slider.pagerEl.addClass('bx-custom-pager');
 587                                 }else{
 588                                         linkContent = i + 1;
 589                                         slider.pagerEl.addClass('bx-default-pager');
 590                                 }
 591                                 // var linkContent = slider.settings.buildPager && $.isFunction(slider.settings.buildPager) ? slider.settings.buildPager(i) : i + 1;
 592                                 // add the markup to the string
 593                                 pagerHtml += '<div class="bx-pager-item"><a href="" data-slide-index="' + i + '" class="bx-pager-link">' + linkContent + '</a></div>';
 594                         };
 595                         // populate the pager element with pager links
 596                         slider.pagerEl.html(pagerHtml);
 597                 }
 598
 599                 /**
 600                  * Appends the pager to the controls element
 601                  */
 602                 var appendPager = function(){
 603                         if(!slider.settings.pagerCustom){
 604                                 // create the pager DOM element
 605                                 slider.pagerEl = $('<div class="bx-pager" />');
 606                                 // if a pager selector was supplied, populate it with the pager
 607                                 if(slider.settings.pagerSelector){
 608                                         $(slider.settings.pagerSelector).html(slider.pagerEl);
 609                                 // if no pager selector was supplied, add it after the wrapper
 610                                 }else{
 611                                         slider.controls.el.addClass('bx-has-pager').append(slider.pagerEl);
 612                                 }
 613                                 // populate the pager
 614                                 populatePager();
 615                         }else{
 616                                 slider.pagerEl = $(slider.settings.pagerCustom);
 617                         }
 618                         // assign the pager click binding
 619                         slider.pagerEl.delegate('a', 'click', clickPagerBind);
 620                 }
 621
 622                 /**
 623                  * Appends prev / next controls to the controls element
 624                  */
 625                 var appendControls = function(){
 626                         slider.controls.next = $('<a class="bx-next" href="">' + slider.settings.nextText + '</a>');
 627                         slider.controls.prev = $('<a class="bx-prev" href="">' + slider.settings.prevText + '</a>');
 628                         // bind click actions to the controls
 629                         slider.controls.next.bind('click', clickNextBind);
 630                         slider.controls.prev.bind('click', clickPrevBind);
 631                         // if nextSlector was supplied, populate it
 632                         if(slider.settings.nextSelector){
 633                                 $(slider.settings.nextSelector).append(slider.controls.next);
 634                         }
 635                         // if prevSlector was supplied, populate it
 636                         if(slider.settings.prevSelector){
 637                                 $(slider.settings.prevSelector).append(slider.controls.prev);
 638                         }
 639                         // if no custom selectors were supplied
 640                         if(!slider.settings.nextSelector && !slider.settings.prevSelector){
 641                                 // add the controls to the DOM
 642                                 slider.controls.directionEl = $('<div class="bx-controls-direction" />');
 643                                 // add the control elements to the directionEl
 644                                 slider.controls.directionEl.append(slider.controls.prev).append(slider.controls.next);
 645                                 // slider.viewport.append(slider.controls.directionEl);
 646                                 slider.controls.el.addClass('bx-has-controls-direction').append(slider.controls.directionEl);
 647                         }
 648                 }
 649
 650                 /**
 651                  * Appends start / stop auto controls to the controls element
 652                  */
 653                 var appendControlsAuto = function(){
 654                         slider.controls.start = $('<div class="bx-controls-auto-item"><a class="bx-start" href="">' + slider.settings.startText + '</a></div>');
 655                         slider.controls.stop = $('<div class="bx-controls-auto-item"><a class="bx-stop" href="">' + slider.settings.stopText + '</a></div>');
 656                         // add the controls to the DOM
 657                         slider.controls.autoEl = $('<div class="bx-controls-auto" />');
 658                         // bind click actions to the controls
 659                         slider.controls.autoEl.delegate('.bx-start', 'click', clickStartBind);
 660                         slider.controls.autoEl.delegate('.bx-stop', 'click', clickStopBind);
 661                         // if autoControlsCombine, insert only the "start" control
 662                         if(slider.settings.autoControlsCombine){
 663                                 slider.controls.autoEl.append(slider.controls.start);
 664                         // if autoControlsCombine is false, insert both controls
 665                         }else{
 666                                 slider.controls.autoEl.append(slider.controls.start).append(slider.controls.stop);
 667                         }
 668                         // if auto controls selector was supplied, populate it with the controls
 669                         if(slider.settings.autoControlsSelector){
 670                                 $(slider.settings.autoControlsSelector).html(slider.controls.autoEl);
 671                         // if auto controls selector was not supplied, add it after the wrapper
 672                         }else{
 673                                 slider.controls.el.addClass('bx-has-controls-auto').append(slider.controls.autoEl);
 674                         }
 675                         // update the auto controls
 676                         updateAutoControls(slider.settings.autoStart ? 'stop' : 'start');
 677                 }
 678
 679                 /**
 680                  * Appends image captions to the DOM
 681                  */
 682                 var appendCaptions = function(){
 683                         // cycle through each child
 684                         slider.children.each(function(index){
 685                                 // get the image title attribute
 686                                 var title = $(this).find('img:first').attr('title');
 687                                 // append the caption
 688                                 if (title != undefined && ('' + title).length) {
 689                     $(this).append('<div class="bx-caption"><span>' + title + '</span></div>');
 690                 }
 691                         });
 692                 }
 693
 694                 /**
 695                  * Click next binding
 696                  *
 697                  * @param e (event)
 698                  *  - DOM event object
 699                  */
 700                 var clickNextBind = function(e){
 701                         // if auto show is running, stop it
 702                         if (slider.settings.auto) el.stopAuto();
 703                         el.goToNextSlide();
 704                         e.preventDefault();
 705                 }
 706
 707                 /**
 708                  * Click prev binding
 709                  *
 710                  * @param e (event)
 711                  *  - DOM event object
 712                  */
 713                 var clickPrevBind = function(e){
 714                         // if auto show is running, stop it
 715                         if (slider.settings.auto) el.stopAuto();
 716                         el.goToPrevSlide();
 717                         e.preventDefault();
 718                 }
 719
 720                 /**
 721                  * Click start binding
 722                  *
 723                  * @param e (event)
 724                  *  - DOM event object
 725                  */
 726                 var clickStartBind = function(e){
 727                         el.startAuto();
 728                         e.preventDefault();
 729                 }
 730
 731                 /**
 732                  * Click stop binding
 733                  *
 734                  * @param e (event)
 735                  *  - DOM event object
 736                  */
 737                 var clickStopBind = function(e){
 738                         el.stopAuto();
 739                         e.preventDefault();
 740                 }
 741
 742                 /**
 743                  * Click pager binding
 744                  *
 745                  * @param e (event)
 746                  *  - DOM event object
 747                  */
 748                 var clickPagerBind = function(e){
 749                         // if auto show is running, stop it
 750                         if (slider.settings.auto) el.stopAuto();
 751                         var pagerLink = $(e.currentTarget);
 752                         var pagerIndex = parseInt(pagerLink.attr('data-slide-index'));
 753                         // if clicked pager link is not active, continue with the goToSlide call
 754                         if(pagerIndex != slider.active.index) el.goToSlide(pagerIndex);
 755                         e.preventDefault();
 756                 }
 757
 758                 /**
 759                  * Updates the pager links with an active class
 760                  *
 761                  * @param slideIndex (int)
 762                  *  - index of slide to make active
 763                  */
 764                 var updatePagerActive = function(slideIndex){
 765                         // if "short" pager type
 766                         var len = slider.children.length; // nb of children
 767                         if(slider.settings.pagerType == 'short'){
 768                                 if(slider.settings.maxSlides > 1) {
 769                                         len = Math.ceil(slider.children.length/slider.settings.maxSlides);
 770                                 }
 771                                 slider.pagerEl.html( (slideIndex + 1) + slider.settings.pagerShortSeparator + len);
 772                                 return;
 773                         }
 774                         // remove all pager active classes
 775                         slider.pagerEl.find('a').removeClass('active');
 776                         // apply the active class for all pagers
 777                         slider.pagerEl.each(function(i, el) { $(el).find('a').eq(slideIndex).addClass('active'); });
 778                 }
 779
 780                 /**
 781                  * Performs needed actions after a slide transition
 782                  */
 783                 var updateAfterSlideTransition = function(){
 784                         // if infinte loop is true
 785                         if(slider.settings.infiniteLoop){
 786                                 var position = '';
 787                                 // first slide
 788                                 if(slider.active.index == 0){
 789                                         // set the new position
 790                                         position = slider.children.eq(0).position();
 791                                 // carousel, last slide
 792                                 }else if(slider.active.index == getPagerQty() - 1 && slider.carousel){
 793                                         position = slider.children.eq((getPagerQty() - 1) * getMoveBy()).position();
 794                                 // last slide
 795                                 }else if(slider.active.index == slider.children.length - 1){
 796                                         position = slider.children.eq(slider.children.length - 1).position();
 797                                 }
 798                                 if (slider.settings.mode == 'horizontal') { setPositionProperty(-position.left, 'reset', 0);; }
 799                                 else if (slider.settings.mode == 'vertical') { setPositionProperty(-position.top, 'reset', 0);; }
 800                         }
 801                         // declare that the transition is complete
 802                         slider.working = false;
 803                         // onSlideAfter callback
 804                         slider.settings.onSlideAfter(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);
 805                 }
 806
 807                 /**
 808                  * Updates the auto controls state (either active, or combined switch)
 809                  *
 810                  * @param state (string) "start", "stop"
 811                  *  - the new state of the auto show
 812                  */
 813                 var updateAutoControls = function(state){
 814                         // if autoControlsCombine is true, replace the current control with the new state
 815                         if(slider.settings.autoControlsCombine){
 816                                 slider.controls.autoEl.html(slider.controls[state]);
 817                         // if autoControlsCombine is false, apply the "active" class to the appropriate control
 818                         }else{
 819                                 slider.controls.autoEl.find('a').removeClass('active');
 820                                 slider.controls.autoEl.find('a:not(.bx-' + state + ')').addClass('active');
 821                         }
 822                 }
 823
 824                 /**
 825                  * Updates the direction controls (checks if either should be hidden)
 826                  */
 827                 var updateDirectionControls = function(){
 828                         if(getPagerQty() == 1){
 829                                 slider.controls.prev.addClass('disabled');
 830                                 slider.controls.next.addClass('disabled');
 831                         }else if(!slider.settings.infiniteLoop && slider.settings.hideControlOnEnd){
 832                                 // if first slide
 833                                 if (slider.active.index == 0){
 834                                         slider.controls.prev.addClass('disabled');
 835                                         slider.controls.next.removeClass('disabled');
 836                                 // if last slide
 837                                 }else if(slider.active.index == getPagerQty() - 1){
 838                                         slider.controls.next.addClass('disabled');
 839                                         slider.controls.prev.removeClass('disabled');
 840                                 // if any slide in the middle
 841                                 }else{
 842                                         slider.controls.prev.removeClass('disabled');
 843                                         slider.controls.next.removeClass('disabled');
 844                                 }
 845                         }
 846                 }
 847
 848                 /**
 849                  * Initialzes the auto process
 850                  */
 851                 var initAuto = function(){
 852                         // if autoDelay was supplied, launch the auto show using a setTimeout() call
 853                         if(slider.settings.autoDelay > 0){
 854                                 var timeout = setTimeout(el.startAuto, slider.settings.autoDelay);
 855                         // if autoDelay was not supplied, start the auto show normally
 856                         }else{
 857                                 el.startAuto();
 858                         }
 859                         // if autoHover is requested
 860                         if(slider.settings.autoHover){
 861                                 // on el hover
 862                                 el.hover(function(){
 863                                         // if the auto show is currently playing (has an active interval)
 864                                         if(slider.interval){
 865                                                 // stop the auto show and pass true agument which will prevent control update
 866                                                 el.stopAuto(true);
 867                                                 // create a new autoPaused value which will be used by the relative "mouseout" event
 868                                                 slider.autoPaused = true;
 869                                         }
 870                                 }, function(){
 871                                         // if the autoPaused value was created be the prior "mouseover" event
 872                                         if(slider.autoPaused){
 873                                                 // start the auto show and pass true agument which will prevent control update
 874                                                 el.startAuto(true);
 875                                                 // reset the autoPaused value
 876                                                 slider.autoPaused = null;
 877                                         }
 878                                 });
 879                         }
 880                 }
 881
 882                 /**
 883                  * Initialzes the ticker process
 884                  */
 885                 var initTicker = function(){
 886                         var startPosition = 0;
 887                         // if autoDirection is "next", append a clone of the entire slider
 888                         if(slider.settings.autoDirection == 'next'){
 889                                 el.append(slider.children.clone().addClass('bx-clone'));
 890                         // if autoDirection is "prev", prepend a clone of the entire slider, and set the left position
 891                         }else{
 892                                 el.prepend(slider.children.clone().addClass('bx-clone'));
 893                                 var position = slider.children.first().position();
 894                                 startPosition = slider.settings.mode == 'horizontal' ? -position.left : -position.top;
 895                         }
 896                         setPositionProperty(startPosition, 'reset', 0);
 897                         // do not allow controls in ticker mode
 898                         slider.settings.pager = false;
 899                         slider.settings.controls = false;
 900                         slider.settings.autoControls = false;
 901                         // if autoHover is requested
 902                         if(slider.settings.tickerHover && !slider.usingCSS){
 903                                 // on el hover
 904                                 slider.viewport.hover(function(){
 905                                         el.stop();
 906                                 }, function(){
 907                                         // calculate the total width of children (used to calculate the speed ratio)
 908                                         var totalDimens = 0;
 909                                         slider.children.each(function(index){
 910                                           totalDimens += slider.settings.mode == 'horizontal' ? $(this).outerWidth(true) : $(this).outerHeight(true);
 911                                         });
 912                                         // calculate the speed ratio (used to determine the new speed to finish the paused animation)
 913                                         var ratio = slider.settings.speed / totalDimens;
 914                                         // determine which property to use
 915                                         var property = slider.settings.mode == 'horizontal' ? 'left' : 'top';
 916                                         // calculate the new speed
 917                                         var newSpeed = ratio * (totalDimens - (Math.abs(parseInt(el.css(property)))));
 918                                         tickerLoop(newSpeed);
 919                                 });
 920                         }
 921                         // start the ticker loop
 922                         tickerLoop();
 923                 }
 924
 925                 /**
 926                  * Runs a continuous loop, news ticker-style
 927                  */
 928                 var tickerLoop = function(resumeSpeed){
 929                         speed = resumeSpeed ? resumeSpeed : slider.settings.speed;
 930                         var position = {left: 0, top: 0};
 931                         var reset = {left: 0, top: 0};
 932                         // if "next" animate left position to last child, then reset left to 0
 933                         if(slider.settings.autoDirection == 'next'){
 934                                 position = el.find('.bx-clone').first().position();
 935                         // if "prev" animate left position to 0, then reset left to first non-clone child
 936                         }else{
 937                                 reset = slider.children.first().position();
 938                         }
 939                         var animateProperty = slider.settings.mode == 'horizontal' ? -position.left : -position.top;
 940                         var resetValue = slider.settings.mode == 'horizontal' ? -reset.left : -reset.top;
 941                         var params = {resetValue: resetValue};
 942                         setPositionProperty(animateProperty, 'ticker', speed, params);
 943                 }
 944
 945                 /**
 946                  * Initializes touch events
 947                  */
 948                 var initTouch = function(){
 949                         // initialize object to contain all touch values
 950                         slider.touch = {
 951                                 start: {x: 0, y: 0},
 952                                 end: {x: 0, y: 0}
 953                         }
 954                         slider.viewport.bind('touchstart', onTouchStart);
 955                 }
 956
 957                 /**
 958                  * Event handler for "touchstart"
 959                  *
 960                  * @param e (event)
 961                  *  - DOM event object
 962                  */
 963                 var onTouchStart = function(e){
 964                         if(slider.working){
 965                                 e.preventDefault();
 966                         }else{
 967                                 // record the original position when touch starts
 968                                 slider.touch.originalPos = el.position();
 969                                 var orig = e.originalEvent;
 970                                 // record the starting touch x, y coordinates
 971                                 slider.touch.start.x = orig.changedTouches[0].pageX;
 972                                 slider.touch.start.y = orig.changedTouches[0].pageY;
 973                                 // bind a "touchmove" event to the viewport
 974                                 slider.viewport.bind('touchmove', onTouchMove);
 975                                 // bind a "touchend" event to the viewport
 976                                 slider.viewport.bind('touchend', onTouchEnd);
 977                         }
 978                 }
 979
 980                 /**
 981                  * Event handler for "touchmove"
 982                  *
 983                  * @param e (event)
 984                  *  - DOM event object
 985                  */
 986                 var onTouchMove = function(e){
 987                         var orig = e.originalEvent;
 988                         // if scrolling on y axis, do not prevent default
 989                         var xMovement = Math.abs(orig.changedTouches[0].pageX - slider.touch.start.x);
 990                         var yMovement = Math.abs(orig.changedTouches[0].pageY - slider.touch.start.y);
 991                         // x axis swipe
 992                         if((xMovement * 3) > yMovement && slider.settings.preventDefaultSwipeX){
 993                                 e.preventDefault();
 994                         // y axis swipe
 995                         }else if((yMovement * 3) > xMovement && slider.settings.preventDefaultSwipeY){
 996                                 e.preventDefault();
 997                         }
 998                         if(slider.settings.mode != 'fade' && slider.settings.oneToOneTouch){
 999                                 var value = 0;
1000                                 // if horizontal, drag along x axis
1001                                 if(slider.settings.mode == 'horizontal'){
1002                                         var change = orig.changedTouches[0].pageX - slider.touch.start.x;
1003                                         value = slider.touch.originalPos.left + change;
1004                                 // if vertical, drag along y axis
1005                                 }else{
1006                                         var change = orig.changedTouches[0].pageY - slider.touch.start.y;
1007                                         value = slider.touch.originalPos.top + change;
1008                                 }
1009                                 setPositionProperty(value, 'reset', 0);
1010                         }
1011                 }
1012
1013                 /**
1014                  * Event handler for "touchend"
1015                  *
1016                  * @param e (event)
1017                  *  - DOM event object
1018                  */
1019                 var onTouchEnd = function(e){
1020                         slider.viewport.unbind('touchmove', onTouchMove);
1021                         var orig = e.originalEvent;
1022                         var value = 0;
1023                         // record end x, y positions
1024                         slider.touch.end.x = orig.changedTouches[0].pageX;
1025                         slider.touch.end.y = orig.changedTouches[0].pageY;
1026                         // if fade mode, check if absolute x distance clears the threshold
1027                         if(slider.settings.mode == 'fade'){
1028                                 var distance = Math.abs(slider.touch.start.x - slider.touch.end.x);
1029                                 if(distance >= slider.settings.swipeThreshold){
1030                                         slider.touch.start.x > slider.touch.end.x ? el.goToNextSlide() : el.goToPrevSlide();
1031                                         el.stopAuto();
1032                                 }
1033                         // not fade mode
1034                         }else{
1035                                 var distance = 0;
1036                                 // calculate distance and el's animate property
1037                                 if(slider.settings.mode == 'horizontal'){
1038                                         distance = slider.touch.end.x - slider.touch.start.x;
1039                                         value = slider.touch.originalPos.left;
1040                                 }else{
1041                                         distance = slider.touch.end.y - slider.touch.start.y;
1042                                         value = slider.touch.originalPos.top;
1043                                 }
1044                                 // if not infinite loop and first / last slide, do not attempt a slide transition
1045                                 if(!slider.settings.infiniteLoop && ((slider.active.index == 0 && distance > 0) || (slider.active.last && distance < 0))){
1046                                         setPositionProperty(value, 'reset', 200);
1047                                 }else{
1048                                         // check if distance clears threshold
1049                                         if(Math.abs(distance) >= slider.settings.swipeThreshold){
1050                                                 distance < 0 ? el.goToNextSlide() : el.goToPrevSlide();
1051                                                 el.stopAuto();
1052                                         }else{
1053                                                 // el.animate(property, 200);
1054                                                 setPositionProperty(value, 'reset', 200);
1055                                         }
1056                                 }
1057                         }
1058                         slider.viewport.unbind('touchend', onTouchEnd);
1059                 }
1060
1061                 /**
1062                  * Window resize event callback
1063                  */
1064                 var resizeWindow = function(e){
1065                         // get the new window dimens (again, thank you IE)
1066                         var windowWidthNew = $(window).width();
1067                         var windowHeightNew = $(window).height();
1068                         // make sure that it is a true window resize
1069                         // *we must check this because our dinosaur friend IE fires a window resize event when certain DOM elements
1070                         // are resized. Can you just die already?*
1071                         if(windowWidth != windowWidthNew || windowHeight != windowHeightNew){
1072                                 // set the new window dimens
1073                                 windowWidth = windowWidthNew;
1074                                 windowHeight = windowHeightNew;
1075                                 // update all dynamic elements
1076                                 el.redrawSlider();
1077                         }
1078                 }
1079
1080                 /**
1081                  * ===================================================================================
1082                  * = PUBLIC FUNCTIONS
1083                  * ===================================================================================
1084                  */
1085
1086                 /**
1087                  * Performs slide transition to the specified slide
1088                  *
1089                  * @param slideIndex (int)
1090                  *  - the destination slide's index (zero-based)
1091                  *
1092                  * @param direction (string)
1093                  *  - INTERNAL USE ONLY - the direction of travel ("prev" / "next")
1094                  */
1095                 el.goToSlide = function(slideIndex, direction){
1096                         // if plugin is currently in motion, ignore request
1097                         if(slider.working || slider.active.index == slideIndex) return;
1098                         // declare that plugin is in motion
1099                         slider.working = true;
1100                         // store the old index
1101                         slider.oldIndex = slider.active.index;
1102                         // if slideIndex is less than zero, set active index to last child (this happens during infinite loop)
1103                         if(slideIndex < 0){
1104                                 slider.active.index = getPagerQty() - 1;
1105                         // if slideIndex is greater than children length, set active index to 0 (this happens during infinite loop)
1106                         }else if(slideIndex >= getPagerQty()){
1107                                 slider.active.index = 0;
1108                         // set active index to requested slide
1109                         }else{
1110                                 slider.active.index = slideIndex;
1111                         }
1112                         // onSlideBefore, onSlideNext, onSlidePrev callbacks
1113                         slider.settings.onSlideBefore(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);
1114                         if(direction == 'next'){
1115                                 slider.settings.onSlideNext(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);
1116                         }else if(direction == 'prev'){
1117                                 slider.settings.onSlidePrev(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);
1118                         }
1119                         // check if last slide
1120                         slider.active.last = slider.active.index >= getPagerQty() - 1;
1121                         // update the pager with active class
1122                         if(slider.settings.pager) updatePagerActive(slider.active.index);
1123                         // // check for direction control update
1124                         if(slider.settings.controls) updateDirectionControls();
1125                         // if slider is set to mode: "fade"
1126                         if(slider.settings.mode == 'fade'){
1127                                 // if adaptiveHeight is true and next height is different from current height, animate to the new height
1128                                 if(slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHeight()){
1129                                         slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed);
1130                                 }
1131                                 // fade out the visible child and reset its z-index value
1132                                 slider.children.filter(':visible').fadeOut(slider.settings.speed).css({zIndex: 0});
1133                                 // fade in the newly requested slide
1134                                 slider.children.eq(slider.active.index).css('zIndex', 51).fadeIn(slider.settings.speed, function(){
1135                                         $(this).css('zIndex', 50);
1136                                         updateAfterSlideTransition();
1137                                 });
1138                         // slider mode is not "fade"
1139                         }else{
1140                                 // if adaptiveHeight is true and next height is different from current height, animate to the new height
1141                                 if(slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHeight()){
1142                                         slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed);
1143                                 }
1144                                 var moveBy = 0;
1145                                 var position = {left: 0, top: 0};
1146                                 // if carousel and not infinite loop
1147                                 if(!slider.settings.infiniteLoop && slider.carousel && slider.active.last){
1148                                         if(slider.settings.mode == 'horizontal'){
1149                                                 // get the last child position
1150                                                 var lastChild = slider.children.eq(slider.children.length - 1);
1151                                                 position = lastChild.position();
1152                                                 // calculate the position of the last slide
1153                                                 moveBy = slider.viewport.width() - lastChild.outerWidth();
1154                                         }else{
1155                                                 // get last showing index position
1156                                                 var lastShowingIndex = slider.children.length - slider.settings.minSlides;
1157                                                 position = slider.children.eq(lastShowingIndex).position();
1158                                         }
1159                                         // horizontal carousel, going previous while on first slide (infiniteLoop mode)
1160                                 }else if(slider.carousel && slider.active.last && direction == 'prev'){
1161                                         // get the last child position
1162                                         var eq = slider.settings.moveSlides == 1 ? slider.settings.maxSlides - getMoveBy() : ((getPagerQty() - 1) * getMoveBy()) - (slider.children.length - slider.settings.maxSlides);
1163                                         var lastChild = el.children('.bx-clone').eq(eq);
1164                                         position = lastChild.position();
1165                                 // if infinite loop and "Next" is clicked on the last slide
1166                                 }else if(direction == 'next' && slider.active.index == 0){
1167                                         // get the last clone position
1168                                         position = el.find('> .bx-clone').eq(slider.settings.maxSlides).position();
1169                                         slider.active.last = false;
1170                                 // normal non-zero requests
1171                                 }else if(slideIndex >= 0){
1172                                         var requestEl = slideIndex * getMoveBy();
1173                                         position = slider.children.eq(requestEl).position();
1174                                 }
1175
1176                                 /* If the position doesn't exist
1177                                  * (e.g. if you destroy the slider on a next click),
1178                                  * it doesn't throw an error.
1179                                  */
1180                                 if ("undefined" !== typeof(position)) {
1181                                         var value = slider.settings.mode == 'horizontal' ? -(position.left - moveBy) : -position.top;
1182                                         // plugin values to be animated
1183                                         setPositionProperty(value, 'slide', slider.settings.speed);
1184                                 }
1185                         }
1186                 }
1187
1188                 /**
1189                  * Transitions to the next slide in the show
1190                  */
1191                 el.goToNextSlide = function(){
1192                         // if infiniteLoop is false and last page is showing, disregard call
1193                         if (!slider.settings.infiniteLoop && slider.active.last) return;
1194                         var pagerIndex = parseInt(slider.active.index) + 1;
1195                         el.goToSlide(pagerIndex, 'next');
1196                 }
1197
1198                 /**
1199                  * Transitions to the prev slide in the show
1200                  */
1201                 el.goToPrevSlide = function(){
1202                         // if infiniteLoop is false and last page is showing, disregard call
1203                         if (!slider.settings.infiniteLoop && slider.active.index == 0) return;
1204                         var pagerIndex = parseInt(slider.active.index) - 1;
1205                         el.goToSlide(pagerIndex, 'prev');
1206                 }
1207
1208                 /**
1209                  * Starts the auto show
1210                  *
1211                  * @param preventControlUpdate (boolean)
1212                  *  - if true, auto controls state will not be updated
1213                  */
1214                 el.startAuto = function(preventControlUpdate){
1215                         // if an interval already exists, disregard call
1216                         if(slider.interval) return;
1217                         // create an interval
1218                         slider.interval = setInterval(function(){
1219                                 slider.settings.autoDirection == 'next' ? el.goToNextSlide() : el.goToPrevSlide();
1220                         }, slider.settings.pause);
1221                         // if auto controls are displayed and preventControlUpdate is not true
1222                         if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('stop');
1223                 }
1224
1225                 /**
1226                  * Stops the auto show
1227                  *
1228                  * @param preventControlUpdate (boolean)
1229                  *  - if true, auto controls state will not be updated
1230                  */
1231                 el.stopAuto = function(preventControlUpdate){
1232                         // if no interval exists, disregard call
1233                         if(!slider.interval) return;
1234                         // clear the interval
1235                         clearInterval(slider.interval);
1236                         slider.interval = null;
1237                         // if auto controls are displayed and preventControlUpdate is not true
1238                         if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('start');
1239                 }
1240
1241                 /**
1242                  * Returns current slide index (zero-based)
1243                  */
1244                 el.getCurrentSlide = function(){
1245                         return slider.active.index;
1246                 }
1247
1248                 /**
1249                  * Returns number of slides in show
1250                  */
1251                 el.getSlideCount = function(){
1252                         return slider.children.length;
1253                 }
1254
1255                 /**
1256                  * Update all dynamic slider elements
1257                  */
1258                 el.redrawSlider = function(){
1259                         // resize all children in ratio to new screen size
1260                         slider.children.add(el.find('.bx-clone')).outerWidth(getSlideWidth());
1261                         // adjust the height
1262                         slider.viewport.css('height', getViewportHeight());
1263                         // update the slide position
1264                         if(!slider.settings.ticker) setSlidePosition();
1265                         // if active.last was true before the screen resize, we want
1266                         // to keep it last no matter what screen size we end on
1267                         if (slider.active.last) slider.active.index = getPagerQty() - 1;
1268                         // if the active index (page) no longer exists due to the resize, simply set the index as last
1269                         if (slider.active.index >= getPagerQty()) slider.active.last = true;
1270                         // if a pager is being displayed and a custom pager is not being used, update it
1271                         if(slider.settings.pager && !slider.settings.pagerCustom){
1272                                 populatePager();
1273                                 updatePagerActive(slider.active.index);
1274                         }
1275                 }
1276
1277                 /**
1278                  * Destroy the current instance of the slider (revert everything back to original state)
1279                  */
1280                 el.destroySlider = function(){
1281                         // don't do anything if slider has already been destroyed
1282                         if(!slider.initialized) return;
1283                         slider.initialized = false;
1284                         $('.bx-clone', this).remove();
1285                         slider.children.each(function() {
1286                                 $(this).data("origStyle") != undefined ? $(this).attr("style", $(this).data("origStyle")) : $(this).removeAttr('style');
1287                         });
1288                         $(this).data("origStyle") != undefined ? this.attr("style", $(this).data("origStyle")) : $(this).removeAttr('style');
1289                         $(this).unwrap().unwrap();
1290                         if(slider.controls.el) slider.controls.el.remove();
1291                         if(slider.controls.next) slider.controls.next.remove();
1292                         if(slider.controls.prev) slider.controls.prev.remove();
1293                         if(slider.pagerEl) slider.pagerEl.remove();
1294                         $('.bx-caption', this).remove();
1295                         if(slider.controls.autoEl) slider.controls.autoEl.remove();
1296                         clearInterval(slider.interval);
1297                         if(slider.settings.responsive) $(window).unbind('resize', resizeWindow);
1298                 }
1299
1300                 /**
1301                  * Reload the slider (revert all DOM changes, and re-initialize)
1302                  */
1303                 el.reloadSlider = function(settings){
1304                         if (settings != undefined) options = settings;
1305                         el.destroySlider();
1306                         init();
1307                 }
1308
1309                 init();
1310
1311                 // returns the current jQuery object
1312                 return this;
1313         }
1314
1315 })(jQuery);