1/** 2 * BxSlider v4.1.1 - Fully loaded, responsive content slider 3 * http://bxslider.com 4 * 5 * Copyright 2012, Steven Wanderski - http://stevenwanderski.com - http://bxcreative.com 6 * Written while drinking Belgian ales and listening to jazz 7 * 8 * Released under the WTFPL license - http://sam.zoy.org/wtfpl/ 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 = $('<div class="bx-controls" />'); 240 // if captions are requested, add them 241 if(slider.settings.captions) appendCaptions(); 242 // check if startSlide is last slide 243 slider.active.last = slider.settings.startSlide == getPagerQty() - 1; 244 // if video is true, set up the fitVids plugin 245 if(slider.settings.video) el.fitVids(); 246 // set the default preload selector (visible) 247 var preloadSelector = slider.children.eq(slider.settings.startSlide); 248 if (slider.settings.preloadImages == "all") preloadSelector = slider.children;
249 // only check for control addition if not in "ticker" mode 250 if(!slider.settings.ticker){ 251 // if pager is requested, add it 252 if(slider.settings.pager) appendPager(); 253 // if controls are requested, add them 254 if(slider.settings.controls) appendControls(); 255 // if auto is true, and auto controls are requested, add them 256 if(slider.settings.auto && slider.settings.autoControls) appendControlsAuto(); 257 // if any control option is requested, add the controls wrapper 258 if(slider.settings.controls || slider.settings.autoControls || slider.settings.pager) slider.viewport.after(slider.controls.el); 259 // if ticker mode, do not allow a pager 260 }else{ 261 slider.settings.pager = false; 262 } 263 // preload all images, then perform final DOM / CSS modifications that depend on images being loaded 264// loadElements(preloadSelector, start); 265 start(); 266 } 267 268 var loadElements = function(selector, callback){ 269 var total = selector.find('img, iframe').length; 270 if (total == 0){ 271 callback(); 272 return; 273 } 274 var count = 0; 275 selector.find('img, iframe').each(function(){ 276 if($(this).is('img')) $(this).attr('src', $(this).attr('src') + '?timestamp=' + new Date().getTime()); 277 $(this).load(function(){ 278 setTimeout(function(){ 279 if(++count == total) callback(); 280 }, 0) 281 }); 282 }); 283 } 284 285 /** 286 * Start the slider 287 */ 288 var start = function(){ 289 // if infinite loop, prepare additional slides 290 if(slider.settings.infiniteLoop && slider.settings.mode != 'fade' && !slider.settings.ticker){ 291 var slice = slider.settings.mode == 'vertical' ? slider.settings.minSlides : slider.settings.maxSlides; 292 var sliceAppend = slider.children.slice(0, slice).clone().addClass('bx-clone'); 293 var slicePrepend = slider.children.slice(-slice).clone().addClass('bx-clone'); 294 el.append(sliceAppend).prepend(slicePrepend); 295 } 296 // remove the loading DOM element 297 slider.loader.remove(); 298 // set the left / top position of "el" 299 setSlidePosition(); 300 // if "vertical" mode, always use adaptiveHeight to prevent odd behavior 301 if (slider.settings.mode == 'vertical') slider.settings.adaptiveHeight = true; 302 // set the viewport height 303 slider.viewport.height(getViewportHeight()); 304 // make sure everything is positioned just right (same as a window resize) 305 el.redrawSlider(); 306 // onSliderLoad callback 307 slider.settings.onSliderLoad(slider.active.index); 308 // slider has been fully initialized 309 slider.initialized = true;
310 // bind the resize call to the window 311 if (slider.settings.responsive) $(window).bind('resize', resizeWindow); 312 // if auto is true, start the show 313 if (slider.settings.auto && slider.settings.autoStart) initAuto(); 314 // if ticker is true, start the ticker 315 if (slider.settings.ticker) initTicker(); 316 // if pager is requested, make the appropriate pager link active 317 if (slider.settings.pager) updatePagerActive(slider.settings.startSlide); 318 // check for any updates to the controls (like hideControlOnEnd updates) 319 if (slider.settings.controls) updateDirectionControls(); 320 // if touchEnabled is true, setup the touch events 321 if (slider.settings.touchEnabled && !slider.settings.ticker) initTouch(); 322 $(slider.children[slider.active.index]).find('img').each(function(){$(this).attr('src',$(this).attr('data-original'))}); 323 } 324 325 /** 326 * Returns the calculated height of the viewport, used to determine either adaptiveHeight or the maxHeight value 327 */ 328 var getViewportHeight = function(){ 329 var height = 0; 330 // first determine which children (slides) should be used in our height calculation 331 var children = $(); 332 // if mode is not "vertical" and adaptiveHeight is false, include all children 333 if(slider.settings.mode != 'vertical' && !slider.settings.adaptiveHeight){ 334 children = slider.children; 335 }else{ 336 // if not carousel, return the single active child 337 if(!slider.carousel){ 338 children = slider.children.eq(slider.active.index); 339 // if carousel, return a slice of children 340 }else{ 341 // get the individual slide index 342 var currentIndex = slider.settings.moveSlides == 1 ? slider.active.index : slider.active.index * getMoveBy(); 343 // add the current slide to the children 344 children = slider.children.eq(currentIndex); 345 // cycle through the remaining "showing" slides 346 for (i = 1; i <= slider.settings.maxSlides - 1; i++){ 347 // if looped back to the start 348 if(currentIndex + i >= slider.children.length){ 349 children = children.add(slider.children.eq(i - 1)); 350 }else{ 351 children = children.add(slider.children.eq(currentIndex + i)); 352 } 353 } 354 } 355 } 356 // if "vertical" mode, calculate the sum of the heights of the children 357 if(slider.settings.mode == 'vertical'){ 358 children.each(function(index) { 359 height += $(this).outerHeight(); 360 }); 361 // add user-supplied margins 362 if(slider.settings.slideMargin > 0){ 363 height += slider.settings.slideMargin * (slider.settings.minSlides - 1); 364 } 365 // if not "vertical" mode, calculate the max height of the children 366 }else{ 367 height = Math.max.apply(Math, children.map(function(){ 368 return $(this).outerHeight(false); 369 }).get()); 370 } 371 return height; 372 } 373 374 /** 375 * Returns the calculated width to be used for the outer wrapper / viewport 376 */ 377 var getViewportMaxWidth = function(){ 378 var width = '100%'; 379 if(slider.settings.slideWidth > 0){ 380 if(slider.settings.mode == 'horizontal'){ 381 width = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin); 382 }else{ 383 width = slider.settings.slideWidth; 384 } 385 } 386 return width; 387 } 388 389 /** 390 * Returns the calculated width to be applied to each slide 391 */ 392 var getSlideWidth = function(){ 393 // start with any user-supplied slide width 394 var newElWidth = slider.settings.slideWidth; 395 // get the current viewport width 396 var wrapWidth = slider.viewport.width(); 397 // if slide width was not supplied, or is larger than the viewport use the viewport width 398 if(slider.settings.slideWidth == 0 || 399 (slider.settings.slideWidth > wrapWidth && !slider.carousel) || 400 slider.settings.mode == 'vertical'){ 401 newElWidth = wrapWidth; 402 // if carousel, use the thresholds to determine the width 403 }else if(slider.settings.maxSlides > 1 && slider.settings.mode == 'horizontal'){ 404 if(wrapWidth > slider.maxThreshold){ 405 // newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.maxSlides - 1))) / slider.settings.maxSlides; 406 }else if(wrapWidth < slider.minThreshold){ 407 newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.minSlides - 1))) / slider.settings.minSlides; 408 } 409 } 410 return newElWidth; 411 } 412 413 /** 414 * Returns the number of slides currently visible in the viewport (includes partially visible slides) 415 */ 416 var getNumberSlidesShowing = function(){ 417 var slidesShowing = 1; 418 if(slider.settings.mode == 'horizontal' && slider.settings.slideWidth > 0){ 419 // if viewport is smaller than minThreshold, return minSlides 420 if(slider.viewport.width() < slider.minThreshold){ 421 slidesShowing = slider.settings.minSlides; 422 // if viewport is larger than minThreshold, return maxSlides 423 }else if(slider.viewport.width() > slider.maxThreshold){ 424 slidesShowing = slider.settings.maxSlides; 425 // if viewport is between min / max thresholds, divide viewport width by first child width 426 }else{ 427 var childWidth = slider.children.first().width(); 428 slidesShowing = Math.floor(slider.viewport.width() / childWidth); 429 } 430 // if "vertical" mode, slides showing will always be minSlides 431 }else if(slider.settings.mode == 'vertical'){ 432 slidesShowing = slider.settings.minSlides; 433 } 434 return slidesShowing; 435 } 436 437 /** 438 * Returns the number of pages (one full viewport of slides is one "page") 439 */ 440 var getPagerQty = function(){ 441 var pagerQty = 0; 442 // if moveSlides is specified by the user 443 if(slider.settings.moveSlides > 0){ 444 if(slider.settings.infiniteLoop){ 445 pagerQty = slider.children.length / getMoveBy(); 446 }else{ 447 // use a while loop to determine pages 448 var breakPoint = 0; 449 var counter = 0 450 // when breakpoint goes above children length, counter is the number of pages 451 while (breakPoint < slider.children.length){ 452 ++pagerQty; 453 breakPoint = counter + getNumberSlidesShowing(); 454 counter += slider.settings.moveSlides <= getNumberSlidesShowing() ? slider.settings.moveSlides : getNumberSlidesShowing(); 455 } 456 }
457 // if moveSlides is 0 (auto) divide children length by sides showing, then round up 458 }else{ 459 pagerQty = Math.ceil(slider.children.length / getNumberSlidesShowing()); 460 } 461 return pagerQty; 462 } 463 464 /** 465 * Returns the number of indivual slides by which to shift the slider 466 */ 467 var getMoveBy = function(){ 468 // if moveSlides was set by the user and moveSlides is less than number of slides showing 469 if(slider.settings.moveSlides > 0 && slider.settings.moveSlides <= getNumberSlidesShowing()){ 470 return slider.settings.moveSlides; 471 } 472 // if moveSlides is 0 (auto) 473 return getNumberSlidesShowing(); 474 } 475 476 /** 477 * Sets the slider's (el) left or top position 478 */ 479 var setSlidePosition = function(){ 480 // if last slide, not infinite loop, and number of children is larger than specified maxSlides 481 if(slider.children.length > slider.settings.maxSlides && slider.active.last && !slider.settings.infiniteLoop){ 482 if (slider.settings.mode == 'horizontal'){ 483 // get the last child's position 484 var lastChild = slider.children.last(); 485 var position = lastChild.position(); 486 // set the left position 487 setPositionProperty(-(position.left - (slider.viewport.width() - lastChild.width())), 'reset', 0); 488 }else if(slider.settings.mode == 'vertical'){ 489 // get the last showing index's position 490 var lastShowingIndex = slider.children.length - slider.settings.minSlides; 491 var position = slider.children.eq(lastShowingIndex).position(); 492 // set the top position 493 setPositionProperty(-position.top, 'reset', 0); 494 } 495 // if not last slide 496 }else{ 497 // get the position of the first showing slide 498 var position = slider.children.eq(slider.active.index * getMoveBy()).position(); 499 // check for last slide 500 if (slider.active.index == getPagerQty() - 1) slider.active.last = true; 501 // set the repective position 502 if (position != undefined){ 503 if (slider.settings.mode == 'horizontal') setPositionProperty(-position.left, 'reset', 0); 504 else if (slider.settings.mode == 'vertical') setPositionProperty(-position.top, 'reset', 0); 505 } 506 } 507 } 508 509 /** 510 * Sets the el's animating property position (which in turn will sometimes animate el). 511 * If using CSS, sets the transform property. If not using CSS, sets the top / left property. 512 * 513 * @param value (int) 514 * - the animating property's value 515 * 516 * @param type (string) 'slider', 'reset', 'ticker' 517 * - the type of instance for which the function is being 518 * 519 * @param duration (int) 520 * - the amount of time (in ms) the transition should occupy 521 * 522 * @param params (array) optional 523 * - an optional parameter containing any variables that need to be passed in 524 */ 525 var setPositionProperty = function(value, type, duration, params){ 526 // use CSS transform 527 if(slider.usingCSS){ 528 // determine the translate3d value 529 var propValue = slider.settings.mode == 'vertical' ? 'translate3d(0, ' + value + 'px, 0)' : 'translate3d(' + value + 'px, 0, 0)'; 530 // add the CSS transition-duration 531 el.css('-' + slider.cssPrefix + '-transition-duration', duration / 1000 + 's'); 532 if(type == 'slide'){ 533 // set the property value 534 el.css(slider.animProp, propValue); 535 // bind a callback method - executes when CSS transition completes 536 el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){ 537 // unbind the callback 538 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd'); 539 updateAfterSlideTransition(); 540 }); 541 }else if(type == 'reset'){ 542 el.css(slider.animProp, propValue); 543 }else if(type == 'ticker'){ 544 // make the transition use 'linear' 545 el.css('-' + slider.cssPrefix + '-transition-timing-function', 'linear'); 546 el.css(slider.animProp, propValue); 547 // bind a callback method - executes when CSS transition completes 548 el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){ 549 // unbind the callback 550 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd'); 551 // reset the position 552 setPositionProperty(params['resetValue'], 'reset', 0); 553 // start the loop again 554 tickerLoop(); 555 }); 556 } 557 // use JS animate 558 }else{ 559 var animateObj = {}; 560 animateObj[slider.animProp] = value; 561 if(type == 'slide'){ 562 el.animate(animateObj, duration, slider.settings.easing, function(){ 563 updateAfterSlideTransition(); 564 }); 565 }else if(type == 'reset'){ 566 el.css(slider.animProp, value) 567 }else if(type == 'ticker'){ 568 el.animate(animateObj, speed, 'linear', function(){ 569 setPositionProperty(params['resetValue'], 'reset', 0); 570 // run the recursive loop after animation 571 tickerLoop(); 572 }); 573 } 574 } 575 } 576 577 /** 578 * Populates the pager with proper amount of pages 579 */ 580 var populatePager = function(){ 581 var pagerHtml = ''; 582 var pagerQty = getPagerQty(); 583 // loop through each pager item 584 for(var i=0; i < pagerQty; i++){ 585 var linkContent = ''; 586 // if a buildPager function is supplied, use it to get pager link value, else use index + 1 587 if(slider.settings.buildPager && $.isFunction(slider.settings.buildPager)){ 588 linkContent = slider.settings.buildPager(i); 589 slider.pagerEl.addClass('bx-custom-pager'); 590 }else{ 591 linkContent = i + 1; 592 slider.pagerEl.addClass('bx-default-pager'); 593 } 594 // var linkContent = slider.settings.buildPager && $.isFunction(slider.settings.buildPager) ? slider.settings.buildPager(i) : i + 1; 595 // add the markup to the string 596 pagerHtml += '<div class="bx-pager-item">
vendor: 3,654 bytes, lines 596-678
596<a href="" data-slide-index="' + i + '" class="bx-pager-link">' + linkContent + '</a></div>'; 597 }; 598 // populate the pager element with pager links 599 slider.pagerEl.html(pagerHtml); 600 } 601 602 /** 603 * Appends the pager to the controls element 604 */ 605 var appendPager = function(){ 606 if(!slider.settings.pagerCustom){ 607 // create the pager DOM element 608 slider.pagerEl = $('<div class="bx-pager" />'); 609 // if a pager selector was supplied, populate it with the pager 610 if(slider.settings.pagerSelector){ 611 $(slider.settings.pagerSelector).html(slider.pagerEl); 612 // if no pager selector was supplied, add it after the wrapper 613 }else{ 614 slider.controls.el.addClass('bx-has-pager').append(slider.pagerEl); 615 } 616 // populate the pager 617 populatePager(); 618 }else{ 619 slider.pagerEl = $(slider.settings.pagerCustom); 620 } 621 // assign the pager click binding 622 slider.pagerEl.delegate('a', 'click', clickPagerBind); 623 } 624 625 /** 626 * Appends prev / next controls to the controls element 627 */ 628 var appendControls = function(){ 629 slider.controls.next = $('<a class="bx-next" href="">' + slider.settings.nextText + '</a>'); 630 slider.controls.prev = $('<a class="bx-prev" href="">' + slider.settings.prevText + '</a>'); 631 // bind click actions to the controls 632 slider.controls.next.bind('click', clickNextBind); 633 slider.controls.prev.bind('click', clickPrevBind); 634 // if nextSlector was supplied, populate it 635 if(slider.settings.nextSelector){ 636 $(slider.settings.nextSelector).append(slider.controls.next); 637 } 638 // if prevSlector was supplied, populate it 639 if(slider.settings.prevSelector){ 640 $(slider.settings.prevSelector).append(slider.controls.prev); 641 } 642 // if no custom selectors were supplied 643 if(!slider.settings.nextSelector && !slider.settings.prevSelector){ 644 // add the controls to the DOM 645 slider.controls.directionEl = $('<div class="bx-controls-direction" />'); 646 // add the control elements to the directionEl 647 slider.controls.directionEl.append(slider.controls.prev).append(slider.controls.next); 648 // slider.viewport.append(slider.controls.directionEl); 649 slider.controls.el.addClass('bx-has-controls-direction').append(slider.controls.directionEl); 650 } 651 } 652 653 /** 654 * Appends start / stop auto controls to the controls element 655 */ 656 var appendControlsAuto = function(){ 657 slider.controls.start = $('<div class="bx-controls-auto-item"><a class="bx-start" href="">' + slider.settings.startText + '</a></div>'); 658 slider.controls.stop = $('<div class="bx-controls-auto-item"><a class="bx-stop" href="">' + slider.settings.stopText + '</a></div>'); 659 // add the controls to the DOM 660 slider.controls.autoEl = $('<div class="bx-controls-auto" />'); 661 // bind click actions to the controls 662 slider.controls.autoEl.delegate('.bx-start', 'click', clickStartBind); 663 slider.controls.autoEl.delegate('.bx-stop', 'click', clickStopBind); 664 // if autoControlsCombine, insert only the "start" control 665 if(slider.settings.autoControlsCombine){ 666 slider.controls.autoEl.append(slider.controls.start); 667 // if autoControlsCombine is false, insert both controls 668 }else{ 669 slider.controls.autoEl.append(slider.controls.start).append(slider.controls.stop); 670 } 671 // if auto controls selector was supplied, populate it with the controls 672 if(slider.settings.autoControlsSelector){ 673 $(slider.settings.autoControlsSelector).html(slider.controls.autoEl); 674 // if auto controls selector was not supplied, add it after the wrapper 675 }else{ 676 slider.controls.el.addClass('bx-has-controls-auto').append(slider.controls.autoEl); 677 } 678 // update the auto controls
679 updateAutoControls(slider.settings.autoStart ? 'stop' : 'start'); 680 } 681 682 /** 683 * Appends image captions to the DOM 684 */ 685 var appendCaptions = function(){ 686 // cycle through each child 687 slider.children.each(function(index){ 688 // get the image title attribute 689 var title = $(this).find('img:first').attr('title'); 690 // append the caption 691 if (title != undefined && ('' + title).length) { 692 $(this).append('<div class="bx-caption"><span>' + title + '</span></div>'); 693 } 694 }); 695 } 696 697 /** 698 * Click next binding 699 * 700 * @param e (event) 701 * - DOM event object 702 */ 703 var clickNextBind = function(e){ 704 // if auto show is running, stop it 705 if (slider.settings.auto) el.stopAuto(); 706 el.goToNextSlide(); 707 e.preventDefault(); 708 } 709 710 /** 711 * Click prev binding 712 * 713 * @param e (event) 714 * - DOM event object 715 */ 716 var clickPrevBind = function(e){ 717 // if auto show is running, stop it 718 if (slider.settings.auto) el.stopAuto(); 719 el.goToPrevSlide(); 720 e.preventDefault(); 721 } 722 723 /** 724 * Click start binding 725 * 726 * @param e (event) 727 * - DOM event object 728 */ 729 var clickStartBind = function(e){ 730 el.startAuto(); 731 e.preventDefault(); 732 } 733 734 /** 735 * Click stop binding 736 * 737 * @param e (event) 738 * - DOM event object 739 */ 740 var clickStopBind = function(e){ 741 el.stopAuto(); 742 e.preventDefault(); 743 } 744 745 /** 746 * Click pager binding 747 * 748 * @param e (event) 749 * - DOM event object 750 */ 751 var clickPagerBind = function(e){ 752 // if auto show is running, stop it 753 if (slider.settings.auto) el.stopAuto(); 754 var pagerLink = $(e.currentTarget); 755 var pagerIndex = parseInt(pagerLink.attr('data-slide-index')); 756 // if clicked pager link is not active, continue with the goToSlide call 757 if(pagerIndex != slider.active.index) el.goToSlide(pagerIndex); 758 e.preventDefault(); 759 } 760 761 /** 762 * Updates the pager links with an active class 763 * 764 * @param slideIndex (int) 765 * - index of slide to make active 766 */ 767 var updatePagerActive = function(slideIndex){ 768 // if "short" pager type 769 var len = slider.children.length; // nb of children 770 if(slider.settings.pagerType == 'short'){ 771 if(slider.settings.maxSlides > 1) { 772 len = Math.ceil(slider.children.length/slider.settings.maxSlides); 773 } 774 slider.pagerEl.html( (slideIndex + 1) + slider.settings.pagerShortSeparator + len); 775 return; 776 } 777 // remove all pager active classes 778 slider.pagerEl.find('a').removeClass('active'); 779 // apply the active class for all pagers 780 slider.pagerEl.each(function(i, el) { $(el).find('a').eq(slideIndex).addClass('active'); }); 781 } 782 783 /** 784 * Performs needed actions after a slide transition 785 */ 786 var updateAfterSlideTransition = function(){ 787 // if infinte loop is true 788 if(slider.settings.infiniteLoop){ 789 var position = ''; 790 // first slide 791 if(slider.active.index == 0){ 792 // set the new position 793 position = slider.children.eq(0).position(); 794 // carousel, last slide 795 }else if(slider.active.index == getPagerQty() - 1 && slider.carousel){ 796 position = slider.children.eq((getPagerQty() - 1) * getMoveBy()).position(); 797 // last slide 798 }else if(slider.active.index == slider.children.length - 1){ 799 position = slider.children.eq(slider.children.length - 1).position(); 800 } 801 if (slider.settings.mode == 'horizontal') { setPositionProperty(-position.left, 'reset', 0);; } 802 else if (slider.settings.mode == 'vertical') { setPositionProperty(-position.top, 'reset', 0);; } 803 } 804 // declare that the transition is complete 805 slider.working = false; 806 // onSlideAfter callback 807 slider.settings.onSlideAfter(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 808 } 809 810 /** 811 * Updates the auto controls state (either active, or combined switch) 812 * 813 * @param state (string) "start", "stop" 814 * - the new state of the auto show 815 */ 816 var updateAutoControls = function(state){ 817 // if autoControlsCombine is true, replace the current control with the new state 818 if(slider.settings.autoControlsCombine){ 819 slider.controls.autoEl.html(slider.controls[state]); 820 // if autoControlsCombine is false, apply the "active" class to the appropriate control 821 }else{ 822 slider.controls.autoEl.find('a').removeClass('active');
823 slider.controls.autoEl.find('a:not(.bx-' + state + ')').addClass('active'); 824 } 825 } 826 827 /** 828 * Updates the direction controls (checks if either should be hidden) 829 */ 830 var updateDirectionControls = function(){ 831 if(getPagerQty() == 1){ 832 slider.controls.prev.addClass('disabled'); 833 slider.controls.next.addClass('disabled'); 834 }else if(!slider.settings.infiniteLoop && slider.settings.hideControlOnEnd){ 835 // if first slide 836 if (slider.active.index == 0){ 837 slider.controls.prev.addClass('disabled'); 838 slider.controls.next.removeClass('disabled'); 839 // if last slide 840 }else if(slider.active.index == getPagerQty() - 1){ 841 slider.controls.next.addClass('disabled'); 842 slider.controls.prev.removeClass('disabled'); 843 // if any slide in the middle 844 }else{ 845 slider.controls.prev.removeClass('disabled'); 846 slider.controls.next.removeClass('disabled'); 847 } 848 } 849 } 850 851 /** 852 * Initialzes the auto process 853 */ 854 var initAuto = function(){ 855 // if autoDelay was supplied, launch the auto show using a setTimeout() call 856 if(slider.settings.autoDelay > 0){ 857 var timeout = setTimeout(el.startAuto, slider.settings.autoDelay); 858 // if autoDelay was not supplied, start the auto show normally 859 }else{ 860 el.startAuto(); 861 } 862 // if autoHover is requested 863 if(slider.settings.autoHover){ 864 // on el hover 865 el.hover(function(){ 866 // if the auto show is currently playing (has an active interval) 867 if(slider.interval){ 868 // stop the auto show and pass true agument which will prevent control update 869 el.stopAuto(true); 870 // create a new autoPaused value which will be used by the relative "mouseout" event 871 slider.autoPaused = true; 872 } 873 }, function(){ 874 // if the autoPaused value was created be the prior "mouseover" event 875 if(slider.autoPaused){ 876 // start the auto show and pass true agument which will prevent control update 877 el.startAuto(true); 878 // reset the autoPaused value 879 slider.autoPaused = null; 880 } 881 }); 882 } 883 } 884 885 /** 886 * Initialzes the ticker process 887 */ 888 var initTicker = function(){ 889 var startPosition = 0; 890 // if autoDirection is "next", append a clone of the entire slider 891 if(slider.settings.autoDirection == 'next'){ 892 el.append(slider.children.clone().addClass('bx-clone')); 893 // if autoDirection is "prev", prepend a clone of the entire slider, and set the left position 894 }else{ 895 el.prepend(slider.children.clone().addClass('bx-clone')); 896 var position = slider.children.first().position(); 897 startPosition = slider.settings.mode == 'horizontal' ? -position.left : -position.top; 898 } 899 setPositionProperty(startPosition, 'reset', 0); 900 // do not allow controls in ticker mode 901 slider.settings.pager = false; 902 slider.settings.controls = false; 903 slider.settings.autoControls = false; 904 // if autoHover is requested 905 if(slider.settings.tickerHover && !slider.usingCSS){ 906 // on el hover 907 slider.viewport.hover(function(){ 908 el.stop(); 909 }, function(){ 910 // calculate the total width of children (used to calculate the speed ratio) 911 var totalDimens = 0; 912 slider.children.each(function(index){ 913 totalDimens += slider.settings.mode == 'horizontal' ? $(this).outerWidth(true) : $(this).outerHeight(true); 914 }); 915 // calculate the speed ratio (used to determine the new speed to finish the paused animation) 916 var ratio = slider.settings.speed / totalDimens; 917 // determine which property to use 918 var property = slider.settings.mode == 'horizontal' ? 'left' : 'top'; 919 // calculate the new speed 920 var newSpeed = ratio * (totalDimens - (Math.abs(parseInt(el.css(property))))); 921 tickerLoop(newSpeed); 922 }); 923 } 924 // start the ticker loop 925 tickerLoop(); 926 } 927 928 /** 929 * Runs a continuous loop, news ticker-style 930 */ 931 var tickerLoop = function(resumeSpeed){ 932 speed = resumeSpeed ? resumeSpeed : slider.settings.speed; 933 var position = {left: 0, top: 0}; 934 var reset = {left: 0, top: 0}; 935 // if "next" animate left position to last child, then reset left to 0 936 if(slider.settings.autoDirection == 'next'){ 937 position = el.find('.bx-clone').first().position(); 938 // if "prev" animate left position to 0, then reset left to first non-clone child 939 }else{ 940 reset = slider.children.first().position(); 941 } 942 var animateProperty = slider.settings.mode == 'horizontal' ? -position.left : -position.top; 943 var resetValue = slider.settings.mode == 'horizontal' ? -reset.left : -reset.top; 944 var params = {resetValue: resetValue}; 945 setPositionProperty(animateProperty, 'ticker', speed, params); 946 } 947 948 /** 949 * Initializes touch events 950 */ 951 var initTouch = function(){ 952 // initialize object to contain all touch values 953 slider.touch = { 954 start: {x: 0, y: 0}, 955 end: {x: 0, y: 0} 956 } 957 slider.viewport.bind('touchstart', onTouchStart); 958 } 959 960 /** 961 * Event handler for "touchstart" 962 * 963 * @param e (event) 964 * - DOM event object 965 */ 966 var onTouchStart = function(e){ 967 if(slider.working){ 968 e.preventDefault(); 969 }else{ 970 // record the original position when touch starts 971 slider.touch.originalPos = el.position(); 972 var orig = e.originalEvent; 973 // record the starting touch x, y coordinates
974 slider.touch.start.x = orig.changedTouches[0].pageX; 975 slider.touch.start.y = orig.changedTouches[0].pageY; 976 // bind a "touchmove" event to the viewport 977 slider.viewport.bind('touchmove', onTouchMove); 978 // bind a "touchend" event to the viewport 979 slider.viewport.bind('touchend', onTouchEnd); 980 } 981 } 982 983 /** 984 * Event handler for "touchmove" 985 * 986 * @param e (event) 987 * - DOM event object 988 */ 989 var onTouchMove = function(e){ 990 var orig = e.originalEvent; 991 // if scrolling on y axis, do not prevent default 992 var xMovement = Math.abs(orig.changedTouches[0].pageX - slider.touch.start.x); 993 var yMovement = Math.abs(orig.changedTouches[0].pageY - slider.touch.start.y); 994 // x axis swipe 995 if((xMovement * 3) > yMovement && slider.settings.preventDefaultSwipeX){ 996 e.preventDefault(); 997 // y axis swipe 998 }else if((yMovement * 3) > xMovement && slider.settings.preventDefaultSwipeY){ 999 e.preventDefault(); 1000 } 1001 if(slider.settings.mode != 'fade' && slider.settings.oneToOneTouch){ 1002 var value = 0; 1003 // if horizontal, drag along x axis 1004 if(slider.settings.mode == 'horizontal'){ 1005 var change = orig.changedTouches[0].pageX - slider.touch.start.x; 1006 value = slider.touch.originalPos.left + change; 1007 // if vertical, drag along y axis 1008 }else{ 1009 var change = orig.changedTouches[0].pageY - slider.touch.start.y; 1010 value = slider.touch.originalPos.top + change; 1011 } 1012 setPositionProperty(value, 'reset', 0); 1013 } 1014 } 1015 1016 /** 1017 * Event handler for "touchend" 1018 * 1019 * @param e (event) 1020 * - DOM event object 1021 */ 1022 var onTouchEnd = function(e){ 1023 slider.viewport.unbind('touchmove', onTouchMove); 1024 var orig = e.originalEvent; 1025 var value = 0; 1026 // record end x, y positions 1027 slider.touch.end.x = orig.changedTouches[0].pageX; 1028 slider.touch.end.y = orig.changedTouches[0].pageY; 1029 // if fade mode, check if absolute x distance clears the threshold 1030 if(slider.settings.mode == 'fade'){ 1031 var distance = Math.abs(slider.touch.start.x - slider.touch.end.x); 1032 if(distance >= slider.settings.swipeThreshold){ 1033 slider.touch.start.x > slider.touch.end.x ? el.goToNextSlide() : el.goToPrevSlide(); 1034 el.stopAuto(); 1035 } 1036 // not fade mode 1037 }else{ 1038 var distance = 0; 1039 // calculate distance and el's animate property 1040 if(slider.settings.mode == 'horizontal'){ 1041 distance = slider.touch.end.x - slider.touch.start.x; 1042 value = slider.touch.originalPos.left; 1043 }else{ 1044 distance = slider.touch.end.y - slider.touch.start.y; 1045 value = slider.touch.originalPos.top; 1046 } 1047 // if not infinite loop and first / last slide, do not attempt a slide transition 1048 if(!slider.settings.infiniteLoop && ((slider.active.index == 0 && distance > 0) || (slider.active.last && distance < 0))){ 1049 setPositionProperty(value, 'reset', 200); 1050 }else{ 1051 // check if distance clears threshold 1052 if(Math.abs(distance) >= slider.settings.swipeThreshold){ 1053 distance < 0 ? el.goToNextSlide() : el.goToPrevSlide(); 1054 el.stopAuto(); 1055 }else{ 1056 // el.animate(property, 200); 1057 setPositionProperty(value, 'reset', 200); 1058 } 1059 } 1060 } 1061 slider.viewport.unbind('touchend', onTouchEnd); 1062 } 1063 1064 /** 1065 * Window resize event callback 1066 */ 1067 var resizeWindow = function(e){ 1068 // get the new window dimens (again, thank you IE) 1069 var windowWidthNew = $(window).width(); 1070 var windowHeightNew = $(window).height(); 1071 // make sure that it is a true window resize 1072 // *we must check this because our dinosaur friend IE fires a window resize event when certain DOM elements 1073 // are resized. Can you just die already?* 1074 if(windowWidth != windowWidthNew || windowHeight != windowHeightNew){ 1075 // set the new window dimens 1076 windowWidth = windowWidthNew; 1077 windowHeight = windowHeightNew; 1078 // update all dynamic elements 1079 el.redrawSlider(); 1080 } 1081 } 1082 1083 /** 1084 * =================================================================================== 1085 * = PUBLIC FUNCTIONS 1086 * =================================================================================== 1087 */ 1088 1089 /** 1090 * Performs slide transition to the specified slide 1091 * 1092 * @param slideIndex (int) 1093 * - the destination slide's index (zero-based) 1094 * 1095 * @param direction (string) 1096 * - INTERNAL USE ONLY - the direction of travel ("prev" / "next") 1097 */ 1098 el.goToSlide = function(slideIndex, direction){ 1099 // if plugin is currently in motion, ignore request 1100 if(slider.working || slider.active.index == slideIndex) return; 1101 // declare that plugin is in motion 1102 slider.working = true; 1103 // store the old index 1104 slider.oldIndex = slider.active.index; 1105 // if slideIndex is less than zero, set active index to last child (this happens during infinite loop) 1106 if(slideIndex < 0){ 1107 slider.active.index = getPagerQty() - 1; 1108 // if slideIndex is greater than children length, set active index to 0 (this happens during infinite loop) 1109 }else if(slideIndex >= getPagerQty()){ 1110 slider.active.index = 0; 1111 // set active index to requested slide 1112 }else{ 1113 slider.active.index = slideIndex; 1114 } 1115 // onSlideBefore, onSlideNext, onSlidePrev callbacks 1116 slider.settings.onSlideBefore(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1117 if(direction == 'next'){ 1118 slider.settings.onSlideNext(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1119 }else if(direction == 'prev'){ 1120 slider.settings.onSlidePrev(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1121 } 1122 // check if last slide 1123 slider.active.last = slider.active.index >= getPagerQty() - 1; 1124 // update the pager with active class 1125 if(slider.settings.pager) updatePagerActive(slider.active.index); 1126 // // check for direction control update 1127 if(slider.settings.controls) updateDirectionControls(); 1128 // if slider is set to mode: "fade" 1129 if(slider.settings.mode == 'fade'){ 1130 // if adaptiveHeight is true and next height is different from current height, animate to the new height 1131 if(slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHe
1131ight()){ 1132 slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed); 1133 } 1134 // fade out the visible child and reset its z-index value 1135 slider.children.filter(':visible').fadeOut(slider.settings.speed).css({zIndex: 0}); 1136 // fade in the newly requested slide 1137 slider.children.eq(slider.active.index).css('zIndex', 51).fadeIn(slider.settings.speed, function(){ 1138 $(this).css('zIndex', 50); 1139 updateAfterSlideTransition(); 1140 }); 1141 // slider mode is not "fade" 1142 }else{ 1143 $(slider.children[slider.active.index]).find('img').each(function(){$(this).attr('src',$(this).attr('data-original'))}); 1144 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 var moveBy = 0; 1150 var position = {left: 0, top: 0}; 1151 // if carousel and not infinite loop 1152 if(!slider.settings.infiniteLoop && slider.carousel && slider.active.last){ 1153 if(slider.settings.mode == 'horizontal'){ 1154 // get the last child position 1155 var lastChild = slider.children.eq(slider.children.length - 1); 1156 position = lastChild.position(); 1157 // calculate the position of the last slide 1158 moveBy = slider.viewport.width() - lastChild.outerWidth(); 1159 }else{ 1160 // get last showing index position 1161 var lastShowingIndex = slider.children.length - slider.settings.minSlides; 1162 position = slider.children.eq(lastShowingIndex).position(); 1163 } 1164 // horizontal carousel, going previous while on first slide (infiniteLoop mode) 1165 }else if(slider.carousel && slider.active.last && direction == 'prev'){ 1166 // get the last child position 1167 var eq = slider.settings.moveSlides == 1 ? slider.settings.maxSlides - getMoveBy() : ((getPagerQty() - 1) * getMoveBy()) - (slider.children.length - slider.settings.maxSlides); 1168 var lastChild = el.children('.bx-clone').eq(eq); 1169 position = lastChild.position(); 1170 // if infinite loop and "Next" is clicked on the last slide 1171 }else if(direction == 'next' && slider.active.index == 0){ 1172 // get the last clone position 1173 position = el.find('> .bx-clone').eq(slider.settings.maxSlides).position(); 1174 slider.active.last = false; 1175 // normal non-zero requests 1176 }else if(slideIndex >= 0){ 1177 var requestEl = slideIndex * getMoveBy(); 1178 position = slider.children.eq(requestEl).position(); 1179 } 1180 1181 /* If the position doesn't exist 1182 * (e.g. if you destroy the slider on a next click), 1183 * it doesn't throw an error. 1184 */ 1185 if ("undefined" !== typeof(position)) { 1186 var value = slider.settings.mode == 'horizontal' ? -(position.left - moveBy) : -position.top; 1187 // plugin values to be animated 1188 setPositionProperty(value, 'slide', slider.settings.speed); 1189 } 1190 } 1191 } 1192 1193 /** 1194 * Transitions to the next slide in the show 1195 */ 1196 el.goToNextSlide = function(){ 1197 // if infiniteLoop is false and last page is showing, disregard call 1198 if (!slider.settings.infiniteLoop && slider.active.last) return; 1199 var pagerIndex = parseInt(slider.active.index) + 1; 1200 el.goToSlide(pagerIndex, 'next'); 1201 } 1202 1203 /** 1204 * Transitions to the prev slide in the show 1205 */ 1206 el.goToPrevSlide = function(){ 1207 // if infiniteLoop is false and last page is showing, disregard call 1208 if (!slider.settings.infiniteLoop && slider.active.index == 0) return; 1209 var pagerIndex = parseInt(slider.active.index) - 1; 1210 el.goToSlide(pagerIndex, 'prev'); 1211 } 1212 1213 /** 1214 * Starts the auto show 1215 * 1216 * @param preventControlUpdate (boolean) 1217 * - if true, auto controls state will not be updated 1218 */ 1219 el.startAuto = function(preventControlUpdate){ 1220 // if an interval already exists, disregard call 1221 if(slider.interval) return; 1222 // create an interval 1223 slider.interval = setInterval(function(){ 1224 slider.settings.autoDirection == 'next' ? el.goToNextSlide() : el.goToPrevSlide(); 1225 }, slider.settings.pause); 1226 // if auto controls are displayed and preventControlUpdate is not true 1227 if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('stop'); 1228 } 1229 1230 /** 1231 * Stops the auto show 1232 * 1233 * @param preventControlUpdate (boolean) 1234 * - if true, auto controls state will not be updated 1235 */ 1236 el.stopAuto = function(preventControlUpdate){ 1237 // if no interval exists, disregard call
1238 if(!slider.interval) return; 1239 // clear the interval 1240 clearInterval(slider.interval); 1241 slider.interval = null; 1242 // if auto controls are displayed and preventControlUpdate is not true 1243 if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('start'); 1244 } 1245 1246 /** 1247 * Returns current slide index (zero-based) 1248 */ 1249 el.getCurrentSlide = function(){ 1250 return slider.active.index; 1251 } 1252 1253 /** 1254 * Returns number of slides in show 1255 */ 1256 el.getSlideCount = function(){ 1257 return slider.children.length; 1258 } 1259 1260 /** 1261 * Update all dynamic slider elements 1262 */ 1263 el.redrawSlider = function(){ 1264 // resize all children in ratio to new screen size 1265 slider.children.add(el.find('.bx-clone')).outerWidth(getSlideWidth()); 1266 // adjust the height 1267 slider.viewport.css('height', getViewportHeight()); 1268 // update the slide position 1269 if(!slider.settings.ticker) setSlidePosition(); 1270 // if active.last was true before the screen resize, we want 1271 // to keep it last no matter what screen size we end on 1272 if (slider.active.last) slider.active.index = getPagerQty() - 1; 1273 // if the active index (page) no longer exists due to the resize, simply set the index as last 1274 if (slider.active.index >= getPagerQty()) slider.active.last = true; 1275 // if a pager is being displayed and a custom pager is not being used, update it 1276 if(slider.settings.pager && !slider.settings.pagerCustom){ 1277 populatePager(); 1278 updatePagerActive(slider.active.index); 1279 } 1280 } 1281 1282 /** 1283 * Destroy the current instance of the slider (revert everything back to original state) 1284 */ 1285 el.destroySlider = function(){ 1286 // don't do anything if slider has already been destroyed 1287 if(!slider.initialized) return; 1288 slider.initialized = false; 1289 $('.bx-clone', this).remove(); 1290 slider.children.each(function() { 1291 $(this).data("origStyle") != undefined ? $(this).attr("style", $(this).data("origStyle")) : $(this).removeAttr('style'); 1292 }); 1293 $(this).data("origStyle") != undefined ? this.attr("style", $(this).data("origStyle")) : $(this).removeAttr('style'); 1294 $(this).unwrap().unwrap(); 1295 if(slider.controls.el) slider.controls.el.remove(); 1296 if(slider.controls.next) slider.controls.next.remove(); 1297 if(slider.controls.prev) slider.controls.prev.remove(); 1298 if(slider.pagerEl) slider.pagerEl.remove(); 1299 $('.bx-caption', this).remove(); 1300 if(slider.controls.autoEl) slider.controls.autoEl.remove(); 1301 clearInterval(slider.interval); 1302 if(slider.settings.responsive) $(window).unbind('resize', resizeWindow); 1303 } 1304 1305 /** 1306 * Reload the slider (revert all DOM changes, and re-initialize) 1307 */ 1308 el.reloadSlider = function(settings){ 1309 if (settings != undefined) options = settings; 1310 el.destroySlider(); 1311 init(); 1312 } 1313 1314 init(); 1315 1316 // returns the current jQuery object 1317 return this; 1318 } 1319 1320})(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.