1/** 2 * BxSlider v4.1.2 - Fully loaded, responsive content slider 3 * http://bxslider.com 4 * 5 * Copyright 2014, 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 wrapperClass: 'bx-wrapper', 37 38 // TOUCH 39 touchEnabled: false, 40 swipeThreshold: 50, 41 oneToOneTouch: true, 42 preventDefaultSwipeX: true, 43 preventDefaultSwipeY: false, 44 45 // PAGER 46 pager: true, 47 pagerType: 'full', 48 pagerShortSeparator: ' / ', 49 pagerSelector: null, 50 buildPager: null, 51 pagerCustom: null, 52 53 // CONTROLS 54 controls: true, 55 nextText: 'Next', 56 prevText: 'Prev', 57 nextSelector: null, 58 prevSelector: null, 59 autoControls: false, 60 startText: 'Start', 61 stopText: 'Stop', 62 autoControlsCombine: false, 63 autoControlsSelector: null, 64 65 // AUTO 66 auto: false, 67 pause: 4000, 68 autoStart: true, 69 autoDirection: 'next', 70 autoHover: false, 71 autoDelay: 0, 72 autoSlideForOnePage: false, 73 74 // CAROUSEL 75 minSlides: 1, 76 maxSlides: 1, 77 moveSlides: 0, 78 slideWidth: 0, 79 80 // CALLBACKS 81 onSliderLoad: function() {}, 82 onSlideBefore: function() {}, 83 onSlideAfter: function() {}, 84 onSlideNext: function() {}, 85 onSlidePrev: function() {}, 86 onSliderResize: function() {} 87 } 88 89 $.fn.bxSlider = function(options){ 90 91 if(this.length == 0) return this; 92 93 // support mutltiple elements 94 if(this.length > 1){ 95 this.each(function(){$(this).bxSlider(options)}); 96 return this; 97 } 98 99 // create a namespace to be used throughout the plugin 100 var slider = {}; 101 // set a reference to our slider element 102 var el = this; 103 plugin.el = this; 104 105 /** 106 * Makes slideshow responsive 107 */ 108 // first get the original window dimens (thanks alot IE) 109 var windowWidth = $(window).width(); 110 var windowHeight = $(window).height(); 111 112 113 114 /** 115 * =================================================================================== 116 * = PRIVATE FUNCTIONS 117 * =================================================================================== 118 */ 119 120 /** 121 * Initializes namespace settings to be used throughout plugin 122 */ 123 var init = function(){ 124 // merge user-supplied options with the defaults 125 slider.settings = $.extend({}, defaults, options); 126 // parse slideWidth setting 127 slider.settings.slideWidth = parseInt(slider.settings.slideWidth); 128 // store the original children 129 slider.children = el.children(slider.settings.slideSelector); 130 // check if actual number of slides is less than minSlides / maxSlides 131 if(slider.children.length < slider.settings.minSlides) slider.settings.minSlides = slider.children.length; 132 if(slider.children.length < slider.settings.maxSlides) slider.settings.maxSlides = slider.children.length; 133 // if random start, set the startSlide setting to random number 134 if(slider.settings.randomStart) slider.settings.startSlide = Math.floor(Math.random() * slider.children.length); 135 // store active slide information 136 slider.active = { index: slider.settings.startSlide } 137 // store if the slider is in carousel mode (displaying / moving multiple slides) 138 slider.carousel = slider.settings.minSlides > 1 || slider.settings.maxSlides > 1; 139 // if carousel, force preloadImages = 'all' 140 if(slider.carousel) slider.settings.preloadImages = 'all'; 141 // calculate the min / max width thresholds based on min / max number of slides 142 // used to setup and update carousel slides dimensions 143 slider.minThreshold = (slider.settings.minSlides * slider.settings.slideWidth) + ((slider.settings.minSlides - 1) * slider.settings.slideMargin); 144 slider.maxThreshold = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin); 145 // store the current state of the slider (if currently animating, working is true) 146 slider.working = false; 147 // initialize the controls object 148 slider.controls = {}; 149 // initialize an auto interval 150 slider.interval = null; 151 // determine which property to use for transitions 152 slider.animProp = slider.settings.mode == 'vertical' ? 'top' : 'left'; 153 // determine if hardware acceleration can be used 154 slider.usingCSS = slider.settings.useCSS && slider.settings.mode != 'fade' && (function(){ 155 // create our test div element 156 var div = document.createElement('div'); 157 // css transition properties 158 var props = ['WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective']; 159 // test for each property 160 for(var i in props){ 161 if(div.style[props[i]] !== undefined){ 162 slider.cssPrefix = props[i].replace('Perspective', '').toLowerCase(); 163 slider.animProp = '-' + slider.cssPrefix + '-transform'; 164 return true; 165 } 166 } 167 return false; 168 }()); 169 // if vertical mode always make maxSlides and minSlides equal 170 if(slider.settings.mode == 'vertical') slider.settings.maxSlides = slider.settings.minSlides; 171 // save original style data 172 el.data("origStyle", el.attr("style"));
173 el.children(slider.settings.slideSelector).each(function() { 174 $(this).data("origStyle", $(this).attr("style")); 175 }); 176 // perform all DOM / CSS modifications 177 setup(); 178 } 179 180 /** 181 * Performs all DOM and CSS modifications 182 */ 183 var setup = function(){ 184 // wrap el in a wrapper 185 el.wrap('<div class="' + slider.settings.wrapperClass + '"><div class="bx-viewport"></div></div>'); 186 // store a namspace reference to .bx-viewport 187 slider.viewport = el.parent(); 188 // add a loading div to display while images are loading 189 slider.loader = $('<div class="bx-loading" />'); 190 slider.viewport.prepend(slider.loader); 191 // set el to a massive width, to hold any needed slides 192 // also strip any margin and padding from el 193 el.css({ 194 width: slider.settings.mode == 'horizontal' ? (slider.children.length * 100 + 215) + '%' : 'auto', 195 position: 'relative' 196 }); 197 // if using CSS, add the easing property 198 if(slider.usingCSS && slider.settings.easing){ 199 el.css('-' + slider.cssPrefix + '-transition-timing-function', slider.settings.easing); 200 // if not using CSS and no easing value was supplied, use the default JS animation easing (swing) 201 }else if(!slider.settings.easing){ 202 slider.settings.easing = 'swing'; 203 } 204 var slidesShowing = getNumberSlidesShowing(); 205 // make modifications to the viewport (.bx-viewport) 206 slider.viewport.css({ 207 208 overflow: 'hidden', 209 position: 'relative' 210 }); 211 212 // make modification to the wrapper (.bx-wrapper) 213 if(!slider.settings.pager) { 214 slider.viewport.parent().css({ 215 margin: '0 auto 0px' 216 }); 217 } 218 // apply css to all slider children 219 slider.children.css({ 220 'float': slider.settings.mode == 'horizontal' ? 'left' : 'none', 221 listStyle: 'none', 222 position: 'relative' 223 }); 224 // apply the calculated width after the float is applied to prevent scrollbar interference 225 slider.children.css('width', getSlideWidth()); 226 // if slideMargin is supplied, add the css 227 if(slider.settings.mode == 'horizontal' && slider.settings.slideMargin > 0) slider.children.css('marginRight', slider.settings.slideMargin); 228 if(slider.settings.mode == 'vertical' && slider.settings.slideMargin > 0) slider.children.css('marginBottom', slider.settings.slideMargin); 229 // if "fade" mode, add positioning and z-index CSS 230 if(slider.settings.mode == 'fade'){ 231 slider.children.css({ 232 position: 'absolute', 233 zIndex: 0, 234 display: 'none' 235 }); 236 // prepare the z-index on the showing element 237 slider.children.eq(slider.settings.startSlide).css({zIndex: slider.settings.slideZIndex, display: 'block'}); 238 } 239 // create an element to contain all slider controls (pager, start / stop, etc) 240 slider.controls.el = $('<div class="bx-controls" />'); 241 // if captions are requested, add them 242 if(slider.settings.captions) appendCaptions(); 243 // check if startSlide is last slide 244 slider.active.last = slider.settings.startSlide == getPagerQty() - 1; 245 // if video is true, set up the fitVids plugin 246 if(slider.settings.video) el.fitVids(); 247 // set the default preload selector (visible) 248 var preloadSelector = slider.children.eq(slider.settings.startSlide); 249 if (slider.settings.preloadImages == "all") preloadSelector = slider.children;
250 // only check for control addition if not in "ticker" mode 251 if(!slider.settings.ticker){ 252 // if pager is requested, add it 253 if(slider.settings.pager) appendPager(); 254 // if controls are requested, add them 255 if(slider.settings.controls) appendControls(); 256 // if auto is true, and auto controls are requested, add them 257 if(slider.settings.auto && slider.settings.autoControls) appendControlsAuto(); 258 // if any control option is requested, add the controls wrapper 259 if(slider.settings.controls || slider.settings.autoControls || slider.settings.pager) slider.viewport.after(slider.controls.el); 260 // if ticker mode, do not allow a pager 261 }else{ 262 slider.settings.pager = false; 263 } 264 // preload all images, then perform final DOM / CSS modifications that depend on images being loaded 265 loadElements(preloadSelector, start); 266 } 267 268 var loadElements = function(selector, callback){ 269 var total = selector.find('img, iframe').length; 270 if (total == 0){ 271 callback(); 272 return; 273 } 274 var count = 0; 275 selector.find('img, iframe').each(function(){ 276 $(this).one('load', function() { 277 if(++count == total) callback(); 278 }).each(function() { 279 if(this.complete) $(this).load(); 280 }); 281 }); 282 } 283 284 /** 285 * Start the slider 286 */ 287 var start = function(){ 288 // if infinite loop, prepare additional slides 289 if(slider.settings.infiniteLoop && slider.settings.mode != 'fade' && !slider.settings.ticker){ 290 var slice = slider.settings.mode == 'vertical' ? slider.settings.minSlides : slider.settings.maxSlides; 291 var sliceAppend = slider.children.slice(0, slice).clone().addClass('bx-clone'); 292 var slicePrepend = slider.children.slice(-slice).clone().addClass('bx-clone'); 293 el.append(sliceAppend).prepend(slicePrepend); 294 } 295 // remove the loading DOM element 296 slider.loader.remove(); 297 // set the left / top position of "el" 298 setSlidePosition(); 299 // if "vertical" mode, always use adaptiveHeight to prevent odd behavior 300 if (slider.settings.mode == 'vertical') slider.settings.adaptiveHeight = true; 301 // set the viewport height 302 slider.viewport.height(getViewportHeight()); 303 // make sure everything is positioned just right (same as a window resize) 304 el.redrawSlider(); 305 // onSliderLoad callback 306 slider.settings.onSliderLoad(slider.active.index); 307 // slider has been fully initialized 308 slider.initialized = true;
309 // bind the resize call to the window 310 if (slider.settings.responsive) $(window).bind('resize', resizeWindow); 311 // if auto is true and has more than 1 page, start the show 312 if (slider.settings.auto && slider.settings.autoStart && (getPagerQty() > 1 || slider.settings.autoSlideForOnePage)) initAuto(); 313 // if ticker is true, start the ticker 314 if (slider.settings.ticker) initTicker(); 315 // if pager is requested, make the appropriate pager link active 316 if (slider.settings.pager) updatePagerActive(slider.settings.startSlide); 317 // check for any updates to the controls (like hideControlOnEnd updates) 318 if (slider.settings.controls) updateDirectionControls(); 319 // if touchEnabled is true, setup the touch events 320 if (slider.settings.touchEnabled && !slider.settings.ticker) initTouch(); 321 } 322 323 /** 324 * Returns the calculated height of the viewport, used to determine either adaptiveHeight or the maxHeight value 325 */ 326 var getViewportHeight = function(){ 327 var height = 0; 328 // first determine which children (slides) should be used in our height calculation 329 var children = $(); 330 // if mode is not "vertical" and adaptiveHeight is false, include all children 331 if(slider.settings.mode != 'vertical' && !slider.settings.adaptiveHeight){ 332 children = slider.children; 333 }else{ 334 // if not carousel, return the single active child 335 if(!slider.carousel){ 336 children = slider.children.eq(slider.active.index); 337 // if carousel, return a slice of children 338 }else{ 339 // get the individual slide index 340 var currentIndex = slider.settings.moveSlides == 1 ? slider.active.index : slider.active.index * getMoveBy(); 341 // add the current slide to the children 342 children = slider.children.eq(currentIndex); 343 // cycle through the remaining "showing" slides 344 for (i = 1; i <= slider.settings.maxSlides - 1; i++){ 345 // if looped back to the start 346 if(currentIndex + i >= slider.children.length){ 347 children = children.add(slider.children.eq(i - 1)); 348 }else{ 349 children = children.add(slider.children.eq(currentIndex + i)); 350 } 351 } 352 } 353 } 354 // if "vertical" mode, calculate the sum of the heights of the children 355 if(slider.settings.mode == 'vertical'){ 356 children.each(function(index) { 357 height += $(this).outerHeight(); 358 }); 359 // add user-supplied margins 360 if(slider.settings.slideMargin > 0){ 361 height += slider.settings.slideMargin * (slider.settings.minSlides - 1); 362 } 363 // if not "vertical" mode, calculate the max height of the children 364 }else{ 365 height = Math.max.apply(Math, children.map(function(){ 366 return $(this).outerHeight(false); 367 }).get()); 368 } 369 370 if(slider.viewport.css('box-sizing') == 'border-box'){ 371 height += parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom')) + 372 parseFloat(slider.viewport.css('border-top-width')) + parseFloat(slider.viewport.css('border-bottom-width')); 373 }else if(slider.viewport.css('box-sizing') == 'padding-box'){ 374 height += parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom')); 375 } 376 377 return height; 378 } 379 380 /** 381 * Returns the calculated width to be used for the outer wrapper / viewport 382 */ 383 var getViewportMaxWidth = function(){ 384 var width = '100%'; 385 if(slider.settings.slideWidth > 0){ 386 if(slider.settings.mode == 'horizontal'){ 387 width = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin); 388 }else{ 389 width = slider.settings.slideWidth; 390 } 391 } 392 return width; 393 } 394 395 /** 396 * Returns the calculated width to be applied to each slide 397 */ 398 var getSlideWidth = function(){ 399 // start with any user-supplied slide width 400 var newElWidth = slider.settings.slideWidth; 401 // get the current viewport width 402 var wrapWidth = slider.viewport.width(); 403 // if slide width was not supplied, or is larger than the viewport use the viewport width 404 if(slider.settings.slideWidth == 0 || 405 (slider.settings.slideWidth > wrapWidth && !slider.carousel) || 406 slider.settings.mode == 'vertical'){ 407 newElWidth = wrapWidth; 408 // if carousel, use the thresholds to determine the width 409 }else if(slider.settings.maxSlides > 1 && slider.settings.mode == 'horizontal'){
410 if(wrapWidth > slider.maxThreshold){ 411 // newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.maxSlides - 1))) / slider.settings.maxSlides; 412 }else if(wrapWidth < slider.minThreshold){ 413 newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.minSlides - 1))) / slider.settings.minSlides; 414 } 415 } 416 return newElWidth; 417 } 418 419 /** 420 * Returns the number of slides currently visible in the viewport (includes partially visible slides) 421 */ 422 var getNumberSlidesShowing = function(){ 423 var slidesShowing = 1; 424 if(slider.settings.mode == 'horizontal' && slider.settings.slideWidth > 0){ 425 // if viewport is smaller than minThreshold, return minSlides 426 if(slider.viewport.width() < slider.minThreshold){ 427 slidesShowing = slider.settings.minSlides; 428 // if viewport is larger than minThreshold, return maxSlides 429 }else if(slider.viewport.width() > slider.maxThreshold){ 430 slidesShowing = slider.settings.maxSlides; 431 // if viewport is between min / max thresholds, divide viewport width by first child width 432 }else{ 433 var childWidth = slider.children.first().width() + slider.settings.slideMargin; 434 slidesShowing = Math.floor((slider.viewport.width() + 435 slider.settings.slideMargin) / childWidth); 436 } 437 // if "vertical" mode, slides showing will always be minSlides 438 }else if(slider.settings.mode == 'vertical'){ 439 slidesShowing = slider.settings.minSlides; 440 } 441 return slidesShowing; 442 } 443 444 /** 445 * Returns the number of pages (one full viewport of slides is one "page") 446 */ 447 var getPagerQty = function(){ 448 var pagerQty = 0; 449 // if moveSlides is specified by the user 450 if(slider.settings.moveSlides > 0){ 451 if(slider.settings.infiniteLoop){ 452 pagerQty = Math.ceil(slider.children.length / getMoveBy()); 453 }else{ 454 // use a while loop to determine pages 455 var breakPoint = 0; 456 var counter = 0 457 // when breakpoint goes above children length, counter is the number of pages 458 while (breakPoint < slider.children.length){ 459 ++pagerQty; 460 breakPoint = counter + getNumberSlidesShowing(); 461 counter += slider.settings.moveSlides <= getNumberSlidesShowing() ? slider.settings.moveSlides : getNumberSlidesShowing(); 462 } 463 } 464 // if moveSlides is 0 (auto) divide children length by sides showing, then round up 465 }else{ 466 pagerQty = Math.ceil(slider.children.length / getNumberSlidesShowing()); 467 } 468 return pagerQty; 469 } 470 471 /** 472 * Returns the number of indivual slides by which to shift the slider 473 */ 474 var getMoveBy = function(){ 475 // if moveSlides was set by the user and moveSlides is less than number of slides showing 476 if(slider.settings.moveSlides > 0 && slider.settings.moveSlides <= getNumberSlidesShowing()){ 477 return slider.settings.moveSlides; 478 } 479 // if moveSlides is 0 (auto) 480 return getNumberSlidesShowing(); 481 } 482 483 /** 484 * Sets the slider's (el) left or top position 485 */ 486 var setSlidePosition = function(){ 487 // if last slide, not infinite loop, and number of children is larger than specified maxSlides 488 if(slider.children.length > slider.settings.maxSlides && slider.active.last && !slider.settings.infiniteLoop){ 489 if (slider.settings.mode == 'horizontal'){ 490 // get the last child's position 491 var lastChild = slider.children.last(); 492 var position = lastChild.position(); 493 // set the left position 494 setPositionProperty(-(position.left - (slider.viewport.width() - lastChild.outerWidth())), 'reset', 0); 495 }else if(slider.settings.mode == 'vertical'){ 496 // get the last showing index's position 497 var lastShowingIndex = slider.children.length - slider.settings.minSlides; 498 var position = slider.children.eq(lastShowingIndex).position(); 499 // set the top position 500 setPositionProperty(-position.top, 'reset', 0); 501 } 502 // if not last slide 503 }else{ 504 // get the position of the first showing slide 505 var position = slider.children.eq(slider.active.index * getMoveBy()).position(); 506 // check for last slide 507 if (slider.active.index == getPagerQty() - 1) slider.active.last = true; 508 // set the repective position 509 if (position != undefined){ 510 if (slider.settings.mode == 'horizontal') setPositionProperty(-position.left, 'reset', 0); 511 else if (slider.settings.mode == 'vertical') setPositionProperty(-position.top, 'reset', 0); 512 } 513 } 514 } 515 516 /** 517 * Sets the el's animating property position (which in turn will sometimes animate el). 518 * If using CSS, sets the transform property. If not using CSS, sets the top / left property. 519 * 520 * @param value (int) 521 * - the animating property's value 522 * 523 * @param type (string) 'slider', 'reset', 'ticker' 524 * - the type of instance for which the function is being 525 * 526 * @param duration (int) 527 * - the amount of time (in ms) the transition should occupy 528 * 529 * @param params (array) optional 530 * - an optional parameter containing any variables that need to be passed in 531 */ 532 var setPositionProperty = function(value, type, duration, params){ 533 // use CSS transform 534 if(slider.usingCSS){ 535 // determine the translate3d value 536 var propValue = slider.settings.mode == 'vertical' ? 'translate3d(0, ' + value + 'px, 0)' : 'translate3d(' + value + 'px, 0, 0)'; 537 // add the CSS transition-duration 538 el.css('-' + slider.cssPrefix + '-transition-duration', duration / 1000 + 's'); 539 if(type == 'slide'){ 540 // set the property value 541 el.css(slider.animProp, propValue); 542 // bind a callback method - executes when CSS transition completes 543 el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){ 544 // unbind the callback 545 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd'); 546 updateAfterSlideTransition(); 547 });
548 }else if(type == 'reset'){ 549 el.css(slider.animProp, propValue); 550 }else if(type == 'ticker'){ 551 // make the transition use 'linear' 552 el.css('-' + slider.cssPrefix + '-transition-timing-function', 'linear'); 553 el.css(slider.animProp, propValue); 554 // bind a callback method - executes when CSS transition completes 555 el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){ 556 // unbind the callback 557 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd'); 558 // reset the position 559 setPositionProperty(params['resetValue'], 'reset', 0); 560 // start the loop again 561 tickerLoop(); 562 }); 563 } 564 // use JS animate 565 }else{ 566 var animateObj = {}; 567 animateObj[slider.animProp] = value; 568 if(type == 'slide'){ 569 el.animate(animateObj, duration, slider.settings.easing, function(){ 570 updateAfterSlideTransition(); 571 }); 572 }else if(type == 'reset'){ 573 el.css(slider.animProp, value) 574 }else if(type == 'ticker'){ 575 el.animate(animateObj, speed, 'linear', function(){ 576 setPositionProperty(params['resetValue'], 'reset', 0); 577 // run the recursive loop after animation 578 tickerLoop(); 579 }); 580 } 581 } 582 } 583 584 /** 585 * Populates the pager with proper amount of pages 586 */ 587 var populatePager = function(){ 588 var pagerHtml = ''; 589 var pagerQty = getPagerQty(); 590 // loop through each pager item 591 for(var i=0; i < pagerQty; i++){ 592 var linkContent = ''; 593 // if a buildPager function is supplied, use it to get pager link value, else use index + 1 594 if(slider.settings.buildPager && $.isFunction(slider.settings.buildPager)){ 595 linkContent = slider.settings.buildPager(i); 596 slider.pagerEl.addClass('bx-custom-pager'); 597 }else{ 598 linkContent = i + 1; 599 slider.pagerEl.addClass('bx-default-pager'); 600 } 601 // var linkContent = slider.settings.buildPager && $.isFunction(slider.settings.buildPager) ? slider.settings.buildPager(i) : i + 1; 602 // add the markup to the string 603 pagerHtml += '<div class="bx-pager-item"><a href="" data-slide-index="' + i + '" class="bx-pager-link">' + linkContent + '</a></div>'; 604 }; 605 // populate the pager element with pager links 606 slider.pagerEl.html(pagerHtml); 607 } 608 609 /** 610 * Appends the pager to the controls element 611 */ 612 var appendPager = function(){ 613 if(!slider.settings.pagerCustom){ 614 // create the pager DOM element 615 slider.pagerEl = $('<div class="bx-pager" />'); 616 // if a pager selector was supplied, populate it with the pager 617 if(slider.settings.pagerSelector){ 618 $(slider.settings.pagerSelector).html(slider.pagerEl); 619 // if no pager selector was supplied, add it after the wrapper 620 }else{ 621 slider.controls.el.addClass('bx-has-pager').append(slider.pagerEl); 622 } 623 // populate the pager 624 populatePager(); 625 }else{ 626 slider.pagerEl = $(slider.settings.pagerCustom); 627 } 628 // assign the pager click binding 629 slider.pagerEl.on('click', 'a', clickPagerBind); 630 } 631 632 /** 633 * Appends prev / next controls to the controls element 634 */ 635 var appendControls = function(){ 636 slider.controls.next = $('<a class="bx-next" href="">' + slider.settings.nextText + '</a>'); 637 slider.controls.prev = $('<a class="bx-prev" href="">' + slider.settings.prevText + '</a>'); 638 // bind click actions to the controls 639 slider.controls.next.bind('click', clickNextBind); 640 slider.controls.prev.bind('click', clickPrevBind); 641 // if nextSlector was supplied, populate it 642 if(slider.settings.nextSelector){ 643 $(slider.settings.nextSelector).append(slider.controls.next); 644 } 645 // if prevSlector was supplied, populate it 646 if(slider.settings.prevSelector){ 647 $(slider.settings.prevSelector).append(slider.controls.prev); 648 } 649 // if no custom selectors were supplied 650 if(!slider.settings.nextSelector && !slider.settings.prevSelector){ 651 // add the controls to the DOM 652 slider.controls.directionEl = $('<div class="bx-controls-direction" />'); 653 // add the control elements to the directionEl 654 slider.controls.directionEl.append(slider.controls.prev).append(slider.controls.next); 655 // slider.viewport.append(slider.controls.directionEl); 656 slider.controls.el.addClass('bx-has-controls-direction').append(slider.controls.directionEl); 657 } 658 } 659 660 /** 661 * Appends start / stop auto controls to the controls element 662 */
663 var appendControlsAuto = function(){ 664 slider.controls.start = $('<div class="bx-controls-auto-item"><a class="bx-start" href="">' + slider.settings.startText + '</a></div>'); 665 slider.controls.stop = $('<div class="bx-controls-auto-item"><a class="bx-stop" href="">' + slider.settings.stopText + '</a></div>'); 666 // add the controls to the DOM 667 slider.controls.autoEl = $('<div class="bx-controls-auto" />'); 668 // bind click actions to the controls 669 slider.controls.autoEl.on('click', '.bx-start', clickStartBind); 670 slider.controls.autoEl.on('click', '.bx-stop', clickStopBind); 671 // if autoControlsCombine, insert only the "start" control 672 if(slider.settings.autoControlsCombine){ 673 slider.controls.autoEl.append(slider.controls.start); 674 // if autoControlsCombine is false, insert both controls 675 }else{ 676 slider.controls.autoEl.append(slider.controls.start).append(slider.controls.stop); 677 } 678 // if auto controls selector was supplied, populate it with the controls 679 if(slider.settings.autoControlsSelector){ 680 $(slider.settings.autoControlsSelector).html(slider.controls.autoEl); 681 // if auto controls selector was not supplied, add it after the wrapper 682 }else{ 683 slider.controls.el.addClass('bx-has-controls-auto').append(slider.controls.autoEl); 684 } 685 // update the auto controls
686 updateAutoControls(slider.settings.autoStart ? 'stop' : 'start'); 687 } 688 689 /** 690 * Appends image captions to the DOM 691 */ 692 var appendCaptions = function(){ 693 // cycle through each child 694 slider.children.each(function(index){ 695 // get the image title attribute 696 var title = $(this).find('img:first').attr('title'); 697 // append the caption 698 if (title != undefined && ('' + title).length) { 699 $(this).append('<div class="bx-caption"><span>' + title + '</span></div>'); 700 } 701 }); 702 } 703 704 /** 705 * Click next binding 706 * 707 * @param e (event) 708 * - DOM event object 709 */ 710 var clickNextBind = function(e){ 711 // if auto show is running, stop it 712 if (slider.settings.auto) el.stopAuto(); 713 el.goToNextSlide(); 714 e.preventDefault(); 715 } 716 717 /** 718 * Click prev binding 719 * 720 * @param e (event) 721 * - DOM event object 722 */ 723 var clickPrevBind = function(e){ 724 // if auto show is running, stop it 725 if (slider.settings.auto) el.stopAuto(); 726 el.goToPrevSlide(); 727 e.preventDefault(); 728 } 729 730 /** 731 * Click start binding 732 * 733 * @param e (event) 734 * - DOM event object 735 */ 736 var clickStartBind = function(e){ 737 el.startAuto(); 738 e.preventDefault(); 739 } 740 741 /** 742 * Click stop binding 743 * 744 * @param e (event) 745 * - DOM event object 746 */ 747 var clickStopBind = function(e){ 748 el.stopAuto(); 749 e.preventDefault(); 750 } 751 752 /** 753 * Click pager binding 754 * 755 * @param e (event) 756 * - DOM event object 757 */ 758 var clickPagerBind = function(e){ 759 // if auto show is running, stop it 760 if (slider.settings.auto) el.stopAuto(); 761 var pagerLink = $(e.currentTarget); 762 if(pagerLink.attr('data-slide-index') !== undefined){ 763 var pagerIndex = parseInt(pagerLink.attr('data-slide-index')); 764 // if clicked pager link is not active, continue with the goToSlide call 765 if(pagerIndex != slider.active.index) el.goToSlide(pagerIndex); 766 e.preventDefault(); 767 } 768 } 769 770 /** 771 * Updates the pager links with an active class 772 * 773 * @param slideIndex (int) 774 * - index of slide to make active 775 */ 776 var updatePagerActive = function(slideIndex){ 777 // if "short" pager type 778 var len = slider.children.length; // nb of children 779 if(slider.settings.pagerType == 'short'){ 780 if(slider.settings.maxSlides > 1) { 781 len = Math.ceil(slider.children.length/slider.settings.maxSlides); 782 } 783 slider.pagerEl.html( (slideIndex + 1) + slider.settings.pagerShortSeparator + len); 784 return; 785 } 786 // remove all pager active classes 787 slider.pagerEl.find('a').removeClass('active'); 788 // apply the active class for all pagers 789 slider.pagerEl.each(function(i, el) { $(el).find('a').eq(slideIndex).addClass('active'); }); 790 } 791 792 /** 793 * Performs needed actions after a slide transition 794 */ 795 var updateAfterSlideTransition = function(){ 796 // if infinte loop is true 797 if(slider.settings.infiniteLoop){ 798 var position = ''; 799 // first slide 800 if(slider.active.index == 0){ 801 // set the new position 802 position = slider.children.eq(0).position(); 803 // carousel, last slide 804 }else if(slider.active.index == getPagerQty() - 1 && slider.carousel){ 805 position = slider.children.eq((getPagerQty() - 1) * getMoveBy()).position(); 806 // last slide 807 }else if(slider.active.index == slider.children.length - 1){ 808 position = slider.children.eq(slider.children.length - 1).position(); 809 } 810 if(position){ 811 if (slider.settings.mode == 'horizontal') { setPositionProperty(-position.left, 'reset', 0); } 812 else if (slider.settings.mode == 'vertical') { setPositionProperty(-position.top, 'reset', 0); } 813 } 814 } 815 // declare that the transition is complete 816 slider.working = false; 817 // onSlideAfter callback 818 slider.settings.onSlideAfter(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 819 } 820 821 /** 822 * Updates the auto controls state (either active, or combined switch) 823 * 824 * @param state (string) "start", "stop" 825 * - the new state of the auto show 826 */ 827 var updateAutoControls = function(state){ 828 // if autoControlsCombine is true, replace the current control with the new state 829 if(slider.settings.autoControlsCombine){
830 slider.controls.autoEl.html(slider.controls[state]); 831 // if autoControlsCombine is false, apply the "active" class to the appropriate control 832 }else{ 833 slider.controls.autoEl.find('a').removeClass('active'); 834 slider.controls.autoEl.find('a:not(.bx-' + state + ')').addClass('active'); 835 } 836 } 837 838 /** 839 * Updates the direction controls (checks if either should be hidden) 840 */ 841 var updateDirectionControls = function(){ 842 if(getPagerQty() == 1){ 843 slider.controls.prev.addClass('disabled'); 844 slider.controls.next.addClass('disabled'); 845 }else if(!slider.settings.infiniteLoop && slider.settings.hideControlOnEnd){ 846 // if first slide 847 if (slider.active.index == 0){ 848 slider.controls.prev.addClass('disabled'); 849 slider.controls.next.removeClass('disabled'); 850 // if last slide 851 }else if(slider.active.index == getPagerQty() - 1){ 852 slider.controls.next.addClass('disabled'); 853 slider.controls.prev.removeClass('disabled'); 854 // if any slide in the middle 855 }else{ 856 slider.controls.prev.removeClass('disabled'); 857 slider.controls.next.removeClass('disabled'); 858 } 859 } 860 } 861 862 /** 863 * Initialzes the auto process 864 */ 865 var initAuto = function(){ 866 // if autoDelay was supplied, launch the auto show using a setTimeout() call 867 if(slider.settings.autoDelay > 0){ 868 var timeout = setTimeout(el.startAuto, slider.settings.autoDelay); 869 // if autoDelay was not supplied, start the auto show normally 870 }else{ 871 el.startAuto(); 872 } 873 // if autoHover is requested 874 if(slider.settings.autoHover){ 875 // on el hover 876 el.hover(function(){ 877 // if the auto show is currently playing (has an active interval) 878 if(slider.interval){ 879 // stop the auto show and pass true agument which will prevent control update 880 el.stopAuto(true); 881 // create a new autoPaused value which will be used by the relative "mouseout" event 882 slider.autoPaused = true; 883 } 884 }, function(){ 885 // if the autoPaused value was created be the prior "mouseover" event 886 if(slider.autoPaused){ 887 // start the auto show and pass true agument which will prevent control update 888 el.startAuto(true); 889 // reset the autoPaused value 890 slider.autoPaused = null; 891 } 892 }); 893 } 894 } 895 896 /** 897 * Initialzes the ticker process 898 */ 899 var initTicker = function(){ 900 var startPosition = 0; 901 // if autoDirection is "next", append a clone of the entire slider 902 if(slider.settings.autoDirection == 'next'){ 903 el.append(slider.children.clone().addClass('bx-clone')); 904 // if autoDirection is "prev", prepend a clone of the entire slider, and set the left position 905 }else{ 906 el.prepend(slider.children.clone().addClass('bx-clone')); 907 var position = slider.children.first().position(); 908 startPosition = slider.settings.mode == 'horizontal' ? -position.left : -position.top; 909 } 910 setPositionProperty(startPosition, 'reset', 0); 911 // do not allow controls in ticker mode 912 slider.settings.pager = false; 913 slider.settings.controls = false; 914 slider.settings.autoControls = false; 915 // if autoHover is requested 916 if(slider.settings.tickerHover && !slider.usingCSS){ 917 // on el hover 918 slider.viewport.hover(function(){ 919 el.stop(); 920 }, function(){ 921 // calculate the total width of children (used to calculate the speed ratio) 922 var totalDimens = 0; 923 slider.children.each(function(index){ 924 totalDimens += slider.settings.mode == 'horizontal' ? $(this).outerWidth(true) : $(this).outerHeight(true); 925 }); 926 // calculate the speed ratio (used to determine the new speed to finish the paused animation) 927 var ratio = slider.settings.speed / totalDimens; 928 // determine which property to use 929 var property = slider.settings.mode == 'horizontal' ? 'left' : 'top'; 930 // calculate the new speed 931 var newSpeed = ratio * (totalDimens - (Math.abs(parseInt(el.css(property))))); 932 tickerLoop(newSpeed); 933 }); 934 } 935 // start the ticker loop 936 tickerLoop(); 937 } 938 939 /** 940 * Runs a continuous loop, news ticker-style 941 */ 942 var tickerLoop = function(resumeSpeed){ 943 speed = resumeSpeed ? resumeSpeed : slider.settings.speed; 944 var position = {left: 0, top: 0};
945 var reset = {left: 0, top: 0}; 946 // if "next" animate left position to last child, then reset left to 0 947 if(slider.settings.autoDirection == 'next'){ 948 position = el.find('.bx-clone').first().position(); 949 // if "prev" animate left position to 0, then reset left to first non-clone child 950 }else{ 951 reset = slider.children.first().position(); 952 } 953 var animateProperty = slider.settings.mode == 'horizontal' ? -position.left : -position.top; 954 var resetValue = slider.settings.mode == 'horizontal' ? -reset.left : -reset.top; 955 var params = {resetValue: resetValue}; 956 setPositionProperty(animateProperty, 'ticker', speed, params); 957 } 958 959 /** 960 * Initializes touch events 961 */ 962 var initTouch = function(){ 963 // initialize object to contain all touch values 964 slider.touch = { 965 start: {x: 0, y: 0}, 966 end: {x: 0, y: 0} 967 } 968 slider.viewport.bind('touchstart', onTouchStart); 969 } 970 971 /** 972 * Event handler for "touchstart" 973 * 974 * @param e (event) 975 * - DOM event object 976 */ 977 var onTouchStart = function(e){ 978 if(slider.working){ 979 e.preventDefault(); 980 }else{ 981 // record the original position when touch starts 982 slider.touch.originalPos = el.position(); 983 var orig = e.originalEvent; 984 // record the starting touch x, y coordinates 985 slider.touch.start.x = orig.changedTouches[0].pageX; 986 slider.touch.start.y = orig.changedTouches[0].pageY; 987 // bind a "touchmove" event to the viewport 988 slider.viewport.bind('touchmove', onTouchMove); 989 // bind a "touchend" event to the viewport 990 slider.viewport.bind('touchend', onTouchEnd); 991 } 992 } 993 994 /** 995 * Event handler for "touchmove" 996 * 997 * @param e (event) 998 * - DOM event object 999 */ 1000 var onTouchMove = function(e){ 1001 var orig = e.originalEvent; 1002 // if scrolling on y axis, do not prevent default 1003 var xMovement = Math.abs(orig.changedTouches[0].pageX - slider.touch.start.x); 1004 var yMovement = Math.abs(orig.changedTouches[0].pageY - slider.touch.start.y); 1005 // x axis swipe 1006 if((xMovement * 3) > yMovement && slider.settings.preventDefaultSwipeX){ 1007 e.preventDefault(); 1008 // y axis swipe 1009 }else if((yMovement * 3) > xMovement && slider.settings.preventDefaultSwipeY){ 1010 e.preventDefault(); 1011 } 1012 if(slider.settings.mode != 'fade' && slider.settings.oneToOneTouch){ 1013 var value = 0; 1014 // if horizontal, drag along x axis 1015 if(slider.settings.mode == 'horizontal'){ 1016 var change = orig.changedTouches[0].pageX - slider.touch.start.x; 1017 value = slider.touch.originalPos.left + change; 1018 // if vertical, drag along y axis 1019 }else{ 1020 var change = orig.changedTouches[0].pageY - slider.touch.start.y; 1021 value = slider.touch.originalPos.top + change; 1022 } 1023 setPositionProperty(value, 'reset', 0); 1024 } 1025 } 1026 1027 /** 1028 * Event handler for "touchend" 1029 * 1030 * @param e (event) 1031 * - DOM event object 1032 */ 1033 var onTouchEnd = function(e){ 1034 slider.viewport.unbind('touchmove', onTouchMove); 1035 var orig = e.originalEvent; 1036 var value = 0; 1037 // record end x, y positions 1038 slider.touch.end.x = orig.changedTouches[0].pageX; 1039 slider.touch.end.y = orig.changedTouches[0].pageY; 1040 // if fade mode, check if absolute x distance clears the threshold 1041 if(slider.settings.mode == 'fade'){ 1042 var distance = Math.abs(slider.touch.start.x - slider.touch.end.x); 1043 if(distance >= slider.settings.swipeThreshold){ 1044 slider.touch.start.x > slider.touch.end.x ? el.goToNextSlide() : el.goToPrevSlide(); 1045 el.stopAuto(); 1046 } 1047 // not fade mode 1048 }else{ 1049 var distance = 0; 1050 // calculate distance and el's animate property 1051 if(slider.settings.mode == 'horizontal'){ 1052 distance = slider.touch.end.x - slider.touch.start.x; 1053 value = slider.touch.originalPos.left; 1054 }else{ 1055 distance = slider.touch.end.y - slider.touch.start.y; 1056 value = slider.touch.originalPos.top; 1057 } 1058 // if not infinite loop and first / last slide, do not attempt a slide transition 1059 if(!slider.settings.infiniteLoop && ((slider.active.index == 0 && distance > 0) || (slider.active.last && distance < 0))){ 1060 setPositionProperty(value, 'reset', 200);
1061 }else{ 1062 // check if distance clears threshold 1063 if(Math.abs(distance) >= slider.settings.swipeThreshold){ 1064 distance < 0 ? el.goToNextSlide() : el.goToPrevSlide(); 1065 el.stopAuto(); 1066 }else{ 1067 // el.animate(property, 200); 1068 setPositionProperty(value, 'reset', 200); 1069 } 1070 } 1071 } 1072 slider.viewport.unbind('touchend', onTouchEnd); 1073 } 1074 1075 /** 1076 * Window resize event callback 1077 */ 1078 var resizeWindow = function(e){ 1079 // don't do anything if slider isn't initialized. 1080 if(!slider.initialized) return; 1081 // get the new window dimens (again, thank you IE) 1082 var windowWidthNew = $(window).width(); 1083 var windowHeightNew = $(window).height(); 1084 // make sure that it is a true window resize 1085 // *we must check this because our dinosaur friend IE fires a window resize event when certain DOM elements 1086 // are resized. Can you just die already?* 1087 if(windowWidth != windowWidthNew || windowHeight != windowHeightNew){ 1088 // set the new window dimens 1089 windowWidth = windowWidthNew; 1090 windowHeight = windowHeightNew; 1091 // update all dynamic elements 1092 el.redrawSlider(); 1093 // Call user resize handler 1094 slider.settings.onSliderResize.call(el, slider.active.index); 1095 } 1096 } 1097 1098 /** 1099 * =================================================================================== 1100 * = PUBLIC FUNCTIONS 1101 * =================================================================================== 1102 */ 1103 1104 /** 1105 * Performs slide transition to the specified slide 1106 * 1107 * @param slideIndex (int) 1108 * - the destination slide's index (zero-based) 1109 * 1110 * @param direction (string) 1111 * - INTERNAL USE ONLY - the direction of travel ("prev" / "next") 1112 */ 1113 el.goToSlide = function(slideIndex, direction){ 1114 // if plugin is currently in motion, ignore request 1115 if(slider.working || slider.active.index == slideIndex) return; 1116 // declare that plugin is in motion 1117 slider.working = true; 1118 // store the old index 1119 slider.oldIndex = slider.active.index; 1120 // if slideIndex is less than zero, set active index to last child (this happens during infinite loop) 1121 if(slideIndex < 0){ 1122 slider.active.index = getPagerQty() - 1; 1123 // if slideIndex is greater than children length, set active index to 0 (this happens during infinite loop) 1124 }else if(slideIndex >= getPagerQty()){ 1125 slider.active.index = 0; 1126 // set active index to requested slide 1127 }else{ 1128 slider.active.index = slideIndex; 1129 } 1130 // onSlideBefore, onSlideNext, onSlidePrev callbacks 1131 slider.settings.onSlideBefore(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1132 if(direction == 'next'){ 1133 slider.settings.onSlideNext(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1134 }else if(direction == 'prev'){ 1135 slider.settings.onSlidePrev(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1136 } 1137 // check if last slide 1138 slider.active.last = slider.active.index >= getPagerQty() - 1; 1139 // update the pager with active class 1140 if(slider.settings.pager) updatePagerActive(slider.active.index); 1141 // // check for direction control update 1142 if(slider.settings.controls) updateDirectionControls(); 1143 // if slider is set to mode: "fade" 1144 if(slider.settings.mode == 'fade'){ 1145 // if adaptiveHeight is true and next height is different from current height, animate to the new height 1146 if(slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHeight()){ 1147 slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed); 1148 } 1149 // fade out the visible child and reset its z-index value 1150 slider.children.filter(':visible').fadeOut(slider.settings.speed).css({zIndex: 0}); 1151 // fade in the newly requested slide 1152 slider.children.eq(slider.active.index).css('zIndex', slider.settings.slideZIndex+1).fadeIn(slider.settings.speed, function(){ 1153 $(this).css('zIndex', slider.settings.slideZIndex); 1154 updateAfterSlideTransition(); 1155 }); 1156 // slider mode is not "fade" 1157 }else{ 1158 // if adaptiveHeight is true and next height is different from current height, animate to the new height 1159 if(slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHe
1159ight()){ 1160 slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed); 1161 } 1162 var moveBy = 0; 1163 var position = {left: 0, top: 0}; 1164 // if carousel and not infinite loop 1165 if(!slider.settings.infiniteLoop && slider.carousel && slider.active.last){ 1166 if(slider.settings.mode == 'horizontal'){ 1167 // get the last child position 1168 var lastChild = slider.children.eq(slider.children.length - 1); 1169 position = lastChild.position(); 1170 // calculate the position of the last slide 1171 moveBy = slider.viewport.width() - lastChild.outerWidth(); 1172 }else{ 1173 // get last showing index position 1174 var lastShowingIndex = slider.children.length - slider.settings.minSlides; 1175 position = slider.children.eq(lastShowingIndex).position(); 1176 } 1177 // horizontal carousel, going previous while on first slide (infiniteLoop mode) 1178 }else if(slider.carousel && slider.active.last && direction == 'prev'){ 1179 // get the last child position 1180 var eq = slider.settings.moveSlides == 1 ? slider.settings.maxSlides - getMoveBy() : ((getPagerQty() - 1) * getMoveBy()) - (slider.children.length - slider.settings.maxSlides); 1181 var lastChild = el.children('.bx-clone').eq(eq); 1182 position = lastChild.position(); 1183 // if infinite loop and "Next" is clicked on the last slide 1184 }else if(direction == 'next' && slider.active.index == 0){ 1185 // get the last clone position 1186 position = el.find('> .bx-clone').eq(slider.settings.maxSlides).position(); 1187 slider.active.last = false; 1188 // normal non-zero requests 1189 }else if(slideIndex >= 0){ 1190 var requestEl = slideIndex * getMoveBy(); 1191 position = slider.children.eq(requestEl).position(); 1192 } 1193 1194 /* If the position doesn't exist 1195 * (e.g. if you destroy the slider on a next click), 1196 * it doesn't throw an error. 1197 */ 1198 if ("undefined" !== typeof(position)) { 1199 var value = slider.settings.mode == 'horizontal' ? -(position.left - moveBy) : -position.top; 1200 // plugin values to be animated 1201 setPositionProperty(value, 'slide', slider.settings.speed); 1202 } 1203 } 1204 } 1205 1206 /** 1207 * Transitions to the next slide in the show 1208 */ 1209 el.goToNextSlide = function(){ 1210 // if infiniteLoop is false and last page is showing, disregard call 1211 if (!slider.settings.infiniteLoop && slider.active.last) return; 1212 var pagerIndex = parseInt(slider.active.index) + 1; 1213 el.goToSlide(pagerIndex, 'next'); 1214 } 1215 1216 /** 1217 * Transitions to the prev slide in the show 1218 */ 1219 el.goToPrevSlide = function(){ 1220 // if infiniteLoop is false and last page is showing, disregard call 1221 if (!slider.settings.infiniteLoop && slider.active.index == 0) return; 1222 var pagerIndex = parseInt(slider.active.index) - 1; 1223 el.goToSlide(pagerIndex, 'prev'); 1224 } 1225 1226 /** 1227 * Starts the auto show 1228 * 1229 * @param preventControlUpdate (boolean) 1230 * - if true, auto controls state will not be updated 1231 */ 1232 el.startAuto = function(preventControlUpdate){ 1233 // if an interval already exists, disregard call 1234 if(slider.interval) return; 1235 // create an interval 1236 slider.interval = setInterval(function(){ 1237 slider.settings.autoDirection == 'next' ? el.goToNextSlide() : el.goToPrevSlide(); 1238 }, slider.settings.pause); 1239 // if auto controls are displayed and preventControlUpdate is not true 1240 if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('stop'); 1241 } 1242 1243 /** 1244 * Stops the auto show 1245 * 1246 * @param preventControlUpdate (boolean) 1247 * - if true, auto controls state will not be updated 1248 */ 1249 el.stopAuto = function(preventControlUpdate){ 1250 // if no interval exists, disregard call 1251 if(!slider.interval) return; 1252 // clear the interval 1253 clearInterval(slider.interval); 1254 slider.interval = null; 1255 // if auto controls are displayed and preventControlUpdate is not true 1256 if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('start'); 1257 } 1258 1259 /** 1260 * Returns current slide index (zero-based) 1261 */ 1262 el.getCurrentSlide = function(){ 1263 return slider.active.index; 1264 } 1265 1266 /** 1267 * Returns current slide element 1268 */ 1269 el.getCurrentSlideElement = function(){ 1270 return slider.children.eq(slider.active.index); 1271 } 1272 1273 /** 1274 * Returns number of slides in show 1275 */ 1276 el.getSlideCount = function(){ 1277 return slider.children.length; 1278 } 1279 1280 /** 1281 * Update all dynamic slider elements 1282 */ 1283 el.redrawSlider = function(){ 1284 // resize all children in ratio to new screen size 1285 slider.children.add(el.find('.bx-clone')).width(getSlideWidth()); 1286 // adjust the height
1287 slider.viewport.css('height', getViewportHeight()); 1288 // update the slide position 1289 if(!slider.settings.ticker) setSlidePosition(); 1290 // if active.last was true before the screen resize, we want 1291 // to keep it last no matter what screen size we end on 1292 if (slider.active.last) slider.active.index = getPagerQty() - 1; 1293 // if the active index (page) no longer exists due to the resize, simply set the index as last 1294 if (slider.active.index >= getPagerQty()) slider.active.last = true; 1295 // if a pager is being displayed and a custom pager is not being used, update it 1296 if(slider.settings.pager && !slider.settings.pagerCustom){ 1297 populatePager(); 1298 updatePagerActive(slider.active.index); 1299 } 1300 } 1301 1302 /** 1303 * Destroy the current instance of the slider (revert everything back to original state) 1304 */ 1305 el.destroySlider = function(){ 1306 // don't do anything if slider has already been destroyed 1307 if(!slider.initialized) return; 1308 slider.initialized = false; 1309 $('.bx-clone', this).remove(); 1310 slider.children.each(function() { 1311 $(this).data("origStyle") != undefined ? $(this).attr("style", $(this).data("origStyle")) : $(this).removeAttr('style'); 1312 }); 1313 $(this).data("origStyle") != undefined ? this.attr("style", $(this).data("origStyle")) : $(this).removeAttr('style'); 1314 $(this).unwrap().unwrap(); 1315 if(slider.controls.el) slider.controls.el.remove(); 1316 if(slider.controls.next) slider.controls.next.remove(); 1317 if(slider.controls.prev) slider.controls.prev.remove(); 1318 if(slider.pagerEl && slider.settings.controls) slider.pagerEl.remove(); 1319 $('.bx-caption', this).remove(); 1320 if(slider.controls.autoEl) slider.controls.autoEl.remove(); 1321 clearInterval(slider.interval); 1322 if(slider.settings.responsive) $(window).unbind('resize', resizeWindow); 1323 } 1324 1325 /** 1326 * Reload the slider (revert all DOM changes, and re-initialize) 1327 */ 1328 el.reloadSlider = function(settings){ 1329 if (settings != undefined) options = settings; 1330 el.destroySlider(); 1331 init(); 1332 } 1333 1334 init(); 1335 1336 // returns the current jQuery object 1337 return this; 1338 } 1339 1340})(jQuery);
Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.