1 2;(function($){ 3 4 var plugin = {}; 5 6 var defaults = { 7 8 // GENERAL 9 mode: 'horizontal', 10 slideSelector: '', 11 infiniteLoop: true, 12 hideControlOnEnd: false, 13 speed: 500, 14 easing: null, 15 slideMargin: 0, 16 startSlide: 0, 17 randomStart: false, 18 captions: false, 19 ticker: false, 20 tickerHover: false, 21 adaptiveHeight: false, 22 adaptiveHeightSpeed: 500, 23 video: false, 24 useCSS: true, 25 preloadImages: 'visible', 26 responsive: true, 27 slideZIndex: 50, 28 wrapperClass: 'bx-wrapper', 29 30 // TOUCH 31 touchEnabled: true, 32 swipeThreshold: 50, 33 oneToOneTouch: true, 34 preventDefaultSwipeX: true, 35 preventDefaultSwipeY: false, 36 37 // PAGER 38 pager: true, 39 pagerType: 'full', 40 pagerShortSeparator: ' / ', 41 pagerSelector: null, 42 buildPager: null, 43 pagerCustom: null, 44 45 // CONTROLS 46 controls: true, 47 nextText: 'Next', 48 prevText: 'Prev', 49 nextSelector: null, 50 prevSelector: null, 51 autoControls: false, 52 startText: 'Start', 53 stopText: 'Stop', 54 autoControlsCombine: false, 55 autoControlsSelector: null, 56 57 // AUTO 58 auto: false, 59 pause: 4000, 60 autoStart: true, 61 autoDirection: 'next', 62 autoHover: false, 63 autoDelay: 0, 64 autoSlideForOnePage: false, 65 66 // CAROUSEL 67 minSlides: 1, 68 maxSlides: 1, 69 moveSlides: 0, 70 slideWidth: 0, 71 72 // CALLBACKS 73 onSliderLoad: function() {}, 74 onSlideBefore: function() {}, 75 onSlideAfter: function() {}, 76 onSlideNext: function() {}, 77 onSlidePrev: function() {}, 78 onSliderResize: function() {} 79 } 80 81 $.fn.bxSlider = function(options){ 82 83 if(this.length == 0) return this; 84 85 // support mutltiple elements 86 if(this.length > 1){ 87 this.each(function(){$(this).bxSlider(options)}); 88 return this; 89 } 90 91 // create a namespace to be used throughout the plugin 92 var slider = {}; 93 // set a reference to our slider element 94 var el = this; 95 plugin.el = this; 96 97 /** 98 * Makes slideshow responsive 99 */ 100 // first get the original window dimens (thanks alot IE) 101 var windowWidth = $(window).width(); 102 var windowHeight = $(window).height(); 103 104 105 106 /** 107 * =================================================================================== 108 * = PRIVATE FUNCTIONS 109 * =================================================================================== 110 */ 111 112 /** 113 * Initializes namespace settings to be used throughout plugin 114 */ 115 var init = function(){ 116 // merge user-supplied options with the defaults 117 slider.settings = $.extend({}, defaults, options); 118 // parse slideWidth setting 119 slider.settings.slideWidth = parseInt(slider.settings.slideWidth); 120 // store the original children 121 slider.children = el.children(slider.settings.slideSelector); 122 // check if actual number of slides is less than minSlides / maxSlides 123 if(slider.children.length < slider.settings.minSlides) slider.settings.minSlides = slider.children.length; 124 if(slider.children.length < slider.settings.maxSlides) slider.settings.maxSlides = slider.children.length; 125 // if random start, set the startSlide setting to random number 126 if(slider.settings.randomStart) slider.settings.startSlide = Math.floor(Math.random() * slider.children.length); 127 // store active slide information 128 slider.active = { index: slider.settings.startSlide } 129 // store if the slider is in carousel mode (displaying / moving multiple slides) 130 slider.carousel = slider.settings.minSlides > 1 || slider.settings.maxSlides > 1; 131 // if carousel, force preloadImages = 'all' 132 if(slider.carousel) slider.settings.preloadImages = 'all'; 133 // calculate the min / max width thresholds based on min / max number of slides 134 // used to setup and update carousel slides dimensions 135 slider.minThreshold = (slider.settings.minSlides * slider.settings.slideWidth) + ((slider.settings.minSlides - 1) * slider.settings.slideMargin); 136 slider.maxThreshold = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin); 137 // store the current state of the slider (if currently animating, working is true) 138 slider.working = false; 139 // initialize the controls object 140 slider.controls = {}; 141 // initialize an auto interval 142 slider.interval = null; 143 // determine which property to use for transitions 144 slider.animProp = slider.settings.mode == 'vertical' ? 'top' : 'left'; 145 // determine if hardware acceleration can be used 146 slider.usingCSS = slider.settings.useCSS && slider.settings.mode != 'fade' && (function(){ 147 // create our test div element 148 var div = document.createElement('div'); 149 // css transition properties 150 var props = ['WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective']; 151 // test for each property 152 for(var i in props){ 153 if(div.style[props[i]] !== undefined){ 154 slider.cssPrefix = props[i].replace('Perspective', '').toLowerCase(); 155 slider.animProp = '-' + slider.cssPrefix + '-transform'; 156 return true; 157 } 158 } 159 return false; 160 }()); 161 // if vertical mode always make maxSlides and minSlides equal 162 if(slider.settings.mode == 'vertical') slider.settings.maxSlides = slider.settings.minSlides; 163 // save original style data 164 el.data("origStyle", el.attr("style"));
165 el.children(slider.settings.slideSelector).each(function() { 166 $(this).data("origStyle", $(this).attr("style")); 167 }); 168 // perform all DOM / CSS modifications 169 setup(); 170 } 171 172 /** 173 * Performs all DOM and CSS modifications 174 */ 175 var setup = function(){ 176 // wrap el in a wrapper 177 el.wrap('<div class="' + slider.settings.wrapperClass + '"><div class="bx-viewport"></div></div>'); 178 // store a namspace reference to .bx-viewport 179 slider.viewport = el.parent(); 180 // add a loading div to display while images are loading 181 slider.loader = $('<div class="bx-loading" />'); 182 slider.viewport.prepend(slider.loader); 183 // set el to a massive width, to hold any needed slides 184 // also strip any margin and padding from el 185 el.css({ 186 width: slider.settings.mode == 'horizontal' ? (slider.children.length * 100 + 215) + '%' : 'auto', 187 position: 'relative' 188 }); 189 // if using CSS, add the easing property 190 if(slider.usingCSS && slider.settings.easing){ 191 el.css('-' + slider.cssPrefix + '-transition-timing-function', slider.settings.easing); 192 // if not using CSS and no easing value was supplied, use the default JS animation easing (swing) 193 }else if(!slider.settings.easing){ 194 slider.settings.easing = 'swing'; 195 } 196 var slidesShowing = getNumberSlidesShowing(); 197 // make modifications to the viewport (.bx-viewport) 198 slider.viewport.css({ 199 width: '100%', 200 overflow: 'hidden', 201 position: 'relative' 202 }); 203 slider.viewport.parent().css({ 204 maxWidth: getViewportMaxWidth() 205 }); 206 // make modification to the wrapper (.bx-wrapper) 207 if(!slider.settings.pager) { 208 slider.viewport.parent().css({ 209 margin: '0 auto 0px' 210 }); 211 } 212 // apply css to all slider children 213 slider.children.css({ 214 'float': slider.settings.mode == 'horizontal' ? 'left' : 'none', 215 listStyle: 'none', 216 position: 'relative' 217 }); 218 // apply the calculated width after the float is applied to prevent scrollbar interference 219 slider.children.css('width', getSlideWidth()); 220 // if slideMargin is supplied, add the css 221 if(slider.settings.mode == 'horizontal' && slider.settings.slideMargin > 0) slider.children.css('marginRight', slider.settings.slideMargin); 222 if(slider.settings.mode == 'vertical' && slider.settings.slideMargin > 0) slider.children.css('marginBottom', slider.settings.slideMargin); 223 // if "fade" mode, add positioning and z-index CSS 224 if(slider.settings.mode == 'fade'){ 225 slider.children.css({ 226 position: 'absolute', 227 zIndex: 0, 228 display: 'none' 229 }); 230 // prepare the z-index on the showing element 231 slider.children.eq(slider.settings.startSlide).css({zIndex: slider.settings.slideZIndex, display: 'block'}); 232 } 233 // create an element to contain all slider controls (pager, start / stop, etc) 234 slider.controls.el = $('<div class="bx-controls" />'); 235 // if captions are requested, add them 236 if(slider.settings.captions) appendCaptions(); 237 // check if startSlide is last slide 238 slider.active.last = slider.settings.startSlide == getPagerQty() - 1; 239 // if video is true, set up the fitVids plugin 240 if(slider.settings.video) el.fitVids(); 241 // set the default preload selector (visible) 242 var preloadSelector = slider.children.eq(slider.settings.startSlide); 243 if (slider.settings.preloadImages == "all") preloadSelector = slider.children;
244 // only check for control addition if not in "ticker" mode 245 if(!slider.settings.ticker){ 246 // if pager is requested, add it 247 if(slider.settings.pager) appendPager(); 248 // if controls are requested, add them 249 if(slider.settings.controls) appendControls(); 250 // if auto is true, and auto controls are requested, add them 251 if(slider.settings.auto && slider.settings.autoControls) appendControlsAuto(); 252 // if any control option is requested, add the controls wrapper 253 if(slider.settings.controls || slider.settings.autoControls || slider.settings.pager) slider.viewport.after(slider.controls.el); 254 // if ticker mode, do not allow a pager 255 }else{ 256 slider.settings.pager = false; 257 } 258 // preload all images, then perform final DOM / CSS modifications that depend on images being loaded 259 loadElements(preloadSelector, start); 260 } 261 262 var loadElements = function(selector, callback){ 263 var total = selector.find('img, iframe').length; 264 if (total == 0){ 265 callback(); 266 return; 267 } 268 var count = 0; 269 selector.find('img, iframe').each(function(){ 270 $(this).one('load', function() { 271 if(++count == total) callback(); 272 }).each(function() { 273 if(this.complete) $(this).load(); 274 }); 275 }); 276 } 277 278 /** 279 * Start the slider 280 */ 281 var start = function(){ 282 // if infinite loop, prepare additional slides 283 if(slider.settings.infiniteLoop && slider.settings.mode != 'fade' && !slider.settings.ticker){ 284 var slice = slider.settings.mode == 'vertical' ? slider.settings.minSlides : slider.settings.maxSlides; 285 var sliceAppend = slider.children.slice(0, slice).clone().addClass('bx-clone'); 286 var slicePrepend = slider.children.slice(-slice).clone().addClass('bx-clone'); 287 el.append(sliceAppend).prepend(slicePrepend); 288 } 289 // remove the loading DOM element 290 slider.loader.remove(); 291 // set the left / top position of "el" 292 setSlidePosition(); 293 // if "vertical" mode, always use adaptiveHeight to prevent odd behavior 294 if (slider.settings.mode == 'vertical') slider.settings.adaptiveHeight = true; 295 // set the viewport height 296 slider.viewport.height(getViewportHeight()); 297 // make sure everything is positioned just right (same as a window resize) 298 el.redrawSlider(); 299 // onSliderLoad callback 300 slider.settings.onSliderLoad(slider.active.index); 301 // slider has been fully initialized 302 slider.initialized = true;
303 // bind the resize call to the window 304 if (slider.settings.responsive) $(window).bind('resize', resizeWindow); 305 // if auto is true and has more than 1 page, start the show 306 if (slider.settings.auto && slider.settings.autoStart && (getPagerQty() > 1 || slider.settings.autoSlideForOnePage)) initAuto(); 307 // if ticker is true, start the ticker 308 if (slider.settings.ticker) initTicker(); 309 // if pager is requested, make the appropriate pager link active 310 if (slider.settings.pager) updatePagerActive(slider.settings.startSlide); 311 // check for any updates to the controls (like hideControlOnEnd updates) 312 if (slider.settings.controls) updateDirectionControls(); 313 // if touchEnabled is true, setup the touch events 314 if (slider.settings.touchEnabled && !slider.settings.ticker) initTouch(); 315 } 316 317 /** 318 * Returns the calculated height of the viewport, used to determine either adaptiveHeight or the maxHeight value 319 */ 320 var getViewportHeight = function(){ 321 var height = 0; 322 // first determine which children (slides) should be used in our height calculation 323 var children = $(); 324 // if mode is not "vertical" and adaptiveHeight is false, include all children 325 if(slider.settings.mode != 'vertical' && !slider.settings.adaptiveHeight){ 326 children = slider.children; 327 }else{ 328 // if not carousel, return the single active child 329 if(!slider.carousel){ 330 children = slider.children.eq(slider.active.index); 331 // if carousel, return a slice of children 332 }else{ 333 // get the individual slide index 334 var currentIndex = slider.settings.moveSlides == 1 ? slider.active.index : slider.active.index * getMoveBy(); 335 // add the current slide to the children 336 children = slider.children.eq(currentIndex); 337 // cycle through the remaining "showing" slides 338 for (i = 1; i <= slider.settings.maxSlides - 1; i++){ 339 // if looped back to the start 340 if(currentIndex + i >= slider.children.length){ 341 children = children.add(slider.children.eq(i - 1)); 342 }else{ 343 children = children.add(slider.children.eq(currentIndex + i)); 344 } 345 } 346 } 347 } 348 // if "vertical" mode, calculate the sum of the heights of the children 349 if(slider.settings.mode == 'vertical'){ 350 children.each(function(index) { 351 height += $(this).outerHeight(); 352 }); 353 // add user-supplied margins 354 if(slider.settings.slideMargin > 0){ 355 height += slider.settings.slideMargin * (slider.settings.minSlides - 1); 356 } 357 // if not "vertical" mode, calculate the max height of the children 358 }else{ 359 height = Math.max.apply(Math, children.map(function(){ 360 return $(this).outerHeight(false); 361 }).get()); 362 } 363 364 if(slider.viewport.css('box-sizing') == 'border-box'){ 365 height += parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom')) + 366 parseFloat(slider.viewport.css('border-top-width')) + parseFloat(slider.viewport.css('border-bottom-width')); 367 }else if(slider.viewport.css('box-sizing') == 'padding-box'){ 368 height += parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom')); 369 } 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() + slider.settings.slideMargin; 428 slidesShowing = Math.floor((slider.viewport.width() + 429 slider.settings.slideMargin) / childWidth); 430 } 431 // if "vertical" mode, slides showing will always be minSlides 432 }else if(slider.settings.mode == 'vertical'){ 433 slidesShowing = slider.settings.minSlides; 434 } 435 return slidesShowing; 436 } 437 438 /** 439 * Returns the number of pages (one full viewport of slides is one "page") 440 */ 441 var getPagerQty = function(){ 442 var pagerQty = 0; 443 // if moveSlides is specified by the user 444 if(slider.settings.moveSlides > 0){ 445 if(slider.settings.infiniteLoop){ 446 pagerQty = Math.ceil(slider.children.length / getMoveBy()); 447 }else{ 448 // use a while loop to determine pages 449 var breakPoint = 0; 450 var counter = 0 451 // when breakpoint goes above children length, counter is the number of pages 452 while (breakPoint < slider.children.length){ 453 ++pagerQty; 454 breakPoint = counter + getNumberSlidesShowing(); 455 counter += slider.settings.moveSlides <= getNumberSlidesShowing() ? slider.settings.moveSlides : getNumberSlidesShowing(); 456 } 457 } 458 // if moveSlides is 0 (auto) divide children length by sides showing, then round up 459 }else{ 460 pagerQty = Math.ceil(slider.children.length / getNumberSlidesShowing()); 461 } 462 return pagerQty; 463 } 464 465 /** 466 * Returns the number of indivual slides by which to shift the slider 467 */ 468 var getMoveBy = function(){ 469 // if moveSlides was set by the user and moveSlides is less than number of slides showing 470 if(slider.settings.moveSlides > 0 && slider.settings.moveSlides <= getNumberSlidesShowing()){ 471 return slider.settings.moveSlides; 472 } 473 // if moveSlides is 0 (auto) 474 return getNumberSlidesShowing(); 475 } 476 477 /** 478 * Sets the slider's (el) left or top position 479 */ 480 var setSlidePosition = function(){ 481 // if last slide, not infinite loop, and number of children is larger than specified maxSlides 482 if(slider.children.length > slider.settings.maxSlides && slider.active.last && !slider.settings.infiniteLoop){ 483 if (slider.settings.mode == 'horizontal'){ 484 // get the last child's position 485 var lastChild = slider.children.last(); 486 var position = lastChild.position(); 487 // set the left position 488 setPositionProperty(-(position.left - (slider.viewport.width() - lastChild.outerWidth())), 'reset', 0); 489 }else if(slider.settings.mode == 'vertical'){ 490 // get the last showing index's position 491 var lastShowingIndex = slider.children.length - slider.settings.minSlides; 492 var position = slider.children.eq(lastShowingIndex).position(); 493 // set the top position 494 setPositionProperty(-position.top, 'reset', 0); 495 } 496 // if not last slide 497 }else{ 498 // get the position of the first showing slide 499 var position = slider.children.eq(slider.active.index * getMoveBy()).position(); 500 // check for last slide 501 if (slider.active.index == getPagerQty() - 1) slider.active.last = true; 502 // set the repective position 503 if (position != undefined){ 504 if (slider.settings.mode == 'horizontal') setPositionProperty(-position.left, 'reset', 0); 505 else if (slider.settings.mode == 'vertical') setPositionProperty(-position.top, 'reset', 0); 506 } 507 } 508 } 509 510 /** 511 * Sets the el's animating property position (which in turn will sometimes animate el). 512 * If using CSS, sets the transform property. If not using CSS, sets the top / left property. 513 * 514 * @param value (int) 515 * - the animating property's value 516 * 517 * @param type (string) 'slider', 'reset', 'ticker' 518 * - the type of instance for which the function is being 519 * 520 * @param duration (int) 521 * - the amount of time (in ms) the transition should occupy 522 * 523 * @param params (array) optional 524 * - an optional parameter containing any variables that need to be passed in 525 */ 526 var setPositionProperty = function(value, type, duration, params){ 527 // use CSS transform 528 if(slider.usingCSS){ 529 // determine the translate3d value 530 var propValue = slider.settings.mode == 'vertical' ? 'translate3d(0, ' + value + 'px, 0)' : 'translate3d(' + value + 'px, 0, 0)'; 531 // add the CSS transition-duration 532 el.css('-' + slider.cssPrefix + '-transition-duration', duration / 1000 + 's'); 533 if(type == 'slide'){ 534 // set the property value 535 el.css(slider.animProp, propValue); 536 // bind a callback method - executes when CSS transition completes 537 el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){ 538 // unbind the callback 539 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd'); 540 updateAfterSlideTransition(); 541 });
542 }else if(type == 'reset'){ 543 el.css(slider.animProp, propValue); 544 }else if(type == 'ticker'){ 545 // make the transition use 'linear' 546 el.css('-' + slider.cssPrefix + '-transition-timing-function', 'linear'); 547 el.css(slider.animProp, propValue); 548 // bind a callback method - executes when CSS transition completes 549 el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){ 550 // unbind the callback 551 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd'); 552 // reset the position 553 setPositionProperty(params['resetValue'], 'reset', 0); 554 // start the loop again 555 tickerLoop(); 556 }); 557 } 558 // use JS animate 559 }else{ 560 var animateObj = {}; 561 animateObj[slider.animProp] = value; 562 if(type == 'slide'){ 563 el.animate(animateObj, duration, slider.settings.easing, function(){ 564 updateAfterSlideTransition(); 565 }); 566 }else if(type == 'reset'){ 567 el.css(slider.animProp, value) 568 }else if(type == 'ticker'){ 569 el.animate(animateObj, speed, 'linear', function(){ 570 setPositionProperty(params['resetValue'], 'reset', 0); 571 // run the recursive loop after animation 572 tickerLoop(); 573 }); 574 } 575 } 576 } 577 578 /** 579 * Populates the pager with proper amount of pages 580 */ 581 var populatePager = function(){ 582 var pagerHtml = ''; 583 var pagerQty = getPagerQty(); 584 // loop through each pager item 585 for(var i=0; i < pagerQty; i++){ 586 var linkContent = ''; 587 // if a buildPager function is supplied, use it to get pager link value, else use index + 1 588 if(slider.settings.buildPager && $.isFunction(slider.settings.buildPager)){ 589 linkContent = slider.settings.buildPager(i); 590 slider.pagerEl.addClass('bx-custom-pager'); 591 }else{ 592 linkContent = i + 1; 593 slider.pagerEl.addClass('bx-default-pager'); 594 } 595 // var linkContent = slider.settings.buildPager && $.isFunction(slider.settings.buildPager) ? slider.settings.buildPager(i) : i + 1; 596 // add the markup to the string 597 pagerHtml += '<div class="bx-pager-item"><a href="" data-slide-index="' + i + '" class="bx-pager-link">' + linkContent + '</a></div>'; 598 }; 599 // populate the pager element with pager links 600 slider.pagerEl.html(pagerHtml); 601 } 602 603 /** 604 * Appends the pager to the controls element 605 */ 606 var appendPager = function(){ 607 if(!slider.settings.pagerCustom){ 608 // create the pager DOM element 609 slider.pagerEl = $('<div class="bx-pager" />'); 610 // if a pager selector was supplied, populate it with the pager 611 if(slider.settings.pagerSelector){ 612 $(slider.settings.pagerSelector).html(slider.pagerEl); 613 // if no pager selector was supplied, add it after the wrapper 614 }else{ 615 slider.controls.el.addClass('bx-has-pager').append(slider.pagerEl); 616 } 617 // populate the pager 618 populatePager(); 619 }else{ 620 slider.pagerEl = $(slider.settings.pagerCustom); 621 } 622 // assign the pager click binding 623 slider.pagerEl.on('click', 'a', clickPagerBind); 624 } 625 626 /** 627 * Appends prev / next controls to the controls element 628 */ 629 var appendControls = function(){ 630 slider.controls.next = $('<a class="bx-next" href="">' + slider.settings.nextText + '</a>'); 631 slider.controls.prev = $('<a class="bx-prev" href="">' + slider.settings.prevText + '</a>'); 632 // bind click actions to the controls 633 slider.controls.next.bind('click', clickNextBind); 634 slider.controls.prev.bind('click', clickPrevBind); 635 // if nextSlector was supplied, populate it 636 if(slider.settings.nextSelector){ 637 $(slider.settings.nextSelector).append(slider.controls.next); 638 } 639 // if prevSlector was supplied, populate it 640 if(slider.settings.prevSelector){ 641 $(slider.settings.prevSelector).append(slider.controls.prev); 642 } 643 // if no custom selectors were supplied 644 if(!slider.settings.nextSelector && !slider.settings.prevSelector){ 645 // add the controls to the DOM 646 slider.controls.directionEl = $('<div class="bx-controls-direction" />'); 647 // add the control elements to the directionEl 648 slider.controls.directionEl.append(slider.controls.prev).append(slider.controls.next); 649 // slider.viewport.append(slider.controls.directionEl); 650 slider.controls.el.addClass('bx-has-controls-direction').append(slider.controls.directionEl); 651 } 652 } 653 654 /** 655 * Appends start / stop auto controls to the controls element 656 */
657 var appendControlsAuto = function(){ 658 slider.controls.start = $('<div class="bx-controls-auto-item"><a class="bx-start" href="">' + slider.settings.startText + '</a></div>'); 659 slider.controls.stop = $('<div class="bx-controls-auto-item"><a class="bx-stop" href="">' + slider.settings.stopText + '</a></div>'); 660 // add the controls to the DOM 661 slider.controls.autoEl = $('<div class="bx-controls-auto" />'); 662 // bind click actions to the controls 663 slider.controls.autoEl.on('click', '.bx-start', clickStartBind); 664 slider.controls.autoEl.on('click', '.bx-stop', clickStopBind); 665 // if autoControlsCombine, insert only the "start" control 666 if(slider.settings.autoControlsCombine){ 667 slider.controls.autoEl.append(slider.controls.start); 668 // if autoControlsCombine is false, insert both controls 669 }else{ 670 slider.controls.autoEl.append(slider.controls.start).append(slider.controls.stop); 671 } 672 // if auto controls selector was supplied, populate it with the controls 673 if(slider.settings.autoControlsSelector){ 674 $(slider.settings.autoControlsSelector).html(slider.controls.autoEl); 675 // if auto controls selector was not supplied, add it after the wrapper 676 }else{ 677 slider.controls.el.addClass('bx-has-controls-auto').append(slider.controls.autoEl); 678 } 679 // update the auto controls
680 updateAutoControls(slider.settings.autoStart ? 'stop' : 'start'); 681 } 682 683 /** 684 * Appends image captions to the DOM 685 */ 686 var appendCaptions = function(){ 687 // cycle through each child 688 slider.children.each(function(index){ 689 // get the image title attribute 690 var title = $(this).find('img:first').attr('title'); 691 // append the caption 692 if (title != undefined && ('' + title).length) { 693 $(this).append('<div class="bx-caption"><span>' + title + '</span></div>'); 694 } 695 }); 696 } 697 698 /** 699 * Click next binding 700 * 701 * @param e (event) 702 * - DOM event object 703 */ 704 var clickNextBind = function(e){ 705 // if auto show is running, stop it 706 if (slider.settings.auto) el.stopAuto(); 707 el.goToNextSlide(); 708 e.preventDefault(); 709 } 710 711 /** 712 * Click prev binding 713 * 714 * @param e (event) 715 * - DOM event object 716 */ 717 var clickPrevBind = function(e){ 718 // if auto show is running, stop it 719 if (slider.settings.auto) el.stopAuto(); 720 el.goToPrevSlide(); 721 e.preventDefault(); 722 } 723 724 /** 725 * Click start binding 726 * 727 * @param e (event) 728 * - DOM event object 729 */ 730 var clickStartBind = function(e){ 731 el.startAuto(); 732 e.preventDefault(); 733 } 734 735 /** 736 * Click stop binding 737 * 738 * @param e (event) 739 * - DOM event object 740 */ 741 var clickStopBind = function(e){ 742 el.stopAuto(); 743 e.preventDefault(); 744 } 745 746 /** 747 * Click pager binding 748 * 749 * @param e (event) 750 * - DOM event object 751 */ 752 var clickPagerBind = function(e){ 753 // if auto show is running, stop it 754 if (slider.settings.auto) el.stopAuto(); 755 var pagerLink = $(e.currentTarget); 756 if(pagerLink.attr('data-slide-index') !== undefined){ 757 var pagerIndex = parseInt(pagerLink.attr('data-slide-index')); 758 // if clicked pager link is not active, continue with the goToSlide call 759 if(pagerIndex != slider.active.index) el.goToSlide(pagerIndex); 760 e.preventDefault(); 761 } 762 } 763 764 /** 765 * Updates the pager links with an active class 766 * 767 * @param slideIndex (int) 768 * - index of slide to make active 769 */ 770 var updatePagerActive = function(slideIndex){ 771 // if "short" pager type 772 var len = slider.children.length; // nb of children 773 if(slider.settings.pagerType == 'short'){ 774 if(slider.settings.maxSlides > 1) { 775 len = Math.ceil(slider.children.length/slider.settings.maxSlides); 776 } 777 slider.pagerEl.html( (slideIndex + 1) + slider.settings.pagerShortSeparator + len); 778 return; 779 } 780 // remove all pager active classes 781 slider.pagerEl.find('a').removeClass('active'); 782 // apply the active class for all pagers 783 slider.pagerEl.each(function(i, el) { $(el).find('a').eq(slideIndex).addClass('active'); }); 784 } 785 786 /** 787 * Performs needed actions after a slide transition 788 */ 789 var updateAfterSlideTransition = function(){ 790 // if infinte loop is true 791 if(slider.settings.infiniteLoop){ 792 var position = ''; 793 // first slide 794 if(slider.active.index == 0){ 795 // set the new position 796 position = slider.children.eq(0).position(); 797 // carousel, last slide 798 }else if(slider.active.index == getPagerQty() - 1 && slider.carousel){ 799 position = slider.children.eq((getPagerQty() - 1) * getMoveBy()).position(); 800 // last slide 801 }else if(slider.active.index == slider.children.length - 1){ 802 position = slider.children.eq(slider.children.length - 1).position(); 803 } 804 if(position){ 805 if (slider.settings.mode == 'horizontal') { setPositionProperty(-position.left, 'reset', 0); } 806 else if (slider.settings.mode == 'vertical') { setPositionProperty(-position.top, 'reset', 0); } 807 } 808 } 809 // declare that the transition is complete 810 slider.working = false; 811 // onSlideAfter callback 812 slider.settings.onSlideAfter(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 813 } 814 815 /** 816 * Updates the auto controls state (either active, or combined switch) 817 * 818 * @param state (string) "start", "stop" 819 * - the new state of the auto show 820 */ 821 var updateAutoControls = function(state){ 822 // if autoControlsCombine is true, replace the current control with the new state 823 if(slider.settings.autoControlsCombine){
824 slider.controls.autoEl.html(slider.controls[state]); 825 // if autoControlsCombine is false, apply the "active" class to the appropriate control 826 }else{ 827 slider.controls.autoEl.find('a').removeClass('active'); 828 slider.controls.autoEl.find('a:not(.bx-' + state + ')').addClass('active'); 829 } 830 } 831 832 /** 833 * Updates the direction controls (checks if either should be hidden) 834 */ 835 var updateDirectionControls = function(){ 836 if(getPagerQty() == 1){ 837 slider.controls.prev.addClass('disabled'); 838 slider.controls.next.addClass('disabled'); 839 }else if(!slider.settings.infiniteLoop && slider.settings.hideControlOnEnd){ 840 // if first slide 841 if (slider.active.index == 0){ 842 slider.controls.prev.addClass('disabled'); 843 slider.controls.next.removeClass('disabled'); 844 // if last slide 845 }else if(slider.active.index == getPagerQty() - 1){ 846 slider.controls.next.addClass('disabled'); 847 slider.controls.prev.removeClass('disabled'); 848 // if any slide in the middle 849 }else{ 850 slider.controls.prev.removeClass('disabled'); 851 slider.controls.next.removeClass('disabled'); 852 } 853 } 854 } 855 856 /** 857 * Initialzes the auto process 858 */ 859 var initAuto = function(){ 860 // if autoDelay was supplied, launch the auto show using a setTimeout() call 861 if(slider.settings.autoDelay > 0){ 862 var timeout = setTimeout(el.startAuto, slider.settings.autoDelay); 863 // if autoDelay was not supplied, start the auto show normally 864 }else{ 865 el.startAuto(); 866 } 867 // if autoHover is requested 868 if(slider.settings.autoHover){ 869 // on el hover 870 el.hover(function(){ 871 // if the auto show is currently playing (has an active interval) 872 if(slider.interval){ 873 // stop the auto show and pass true agument which will prevent control update 874 el.stopAuto(true); 875 // create a new autoPaused value which will be used by the relative "mouseout" event 876 slider.autoPaused = true; 877 } 878 }, function(){ 879 // if the autoPaused value was created be the prior "mouseover" event 880 if(slider.autoPaused){ 881 // start the auto show and pass true agument which will prevent control update 882 el.startAuto(true); 883 // reset the autoPaused value 884 slider.autoPaused = null; 885 } 886 }); 887 } 888 } 889 890 /** 891 * Initialzes the ticker process 892 */ 893 var initTicker = function(){ 894 var startPosition = 0; 895 // if autoDirection is "next", append a clone of the entire slider 896 if(slider.settings.autoDirection == 'next'){ 897 el.append(slider.children.clone().addClass('bx-clone')); 898 // if autoDirection is "prev", prepend a clone of the entire slider, and set the left position 899 }else{ 900 el.prepend(slider.children.clone().addClass('bx-clone')); 901 var position = slider.children.first().position(); 902 startPosition = slider.settings.mode == 'horizontal' ? -position.left : -position.top; 903 } 904 setPositionProperty(startPosition, 'reset', 0); 905 // do not allow controls in ticker mode 906 slider.settings.pager = false; 907 slider.settings.controls = false; 908 slider.settings.autoControls = false; 909 // if autoHover is requested 910 if(slider.settings.tickerHover && !slider.usingCSS){ 911 // on el hover 912 slider.viewport.hover(function(){ 913 el.stop(); 914 }, function(){ 915 // calculate the total width of children (used to calculate the speed ratio) 916 var totalDimens = 0; 917 slider.children.each(function(index){ 918 totalDimens += slider.settings.mode == 'horizontal' ? $(this).outerWidth(true) : $(this).outerHeight(true); 919 }); 920 // calculate the speed ratio (used to determine the new speed to finish the paused animation) 921 var ratio = slider.settings.speed / totalDimens; 922 // determine which property to use 923 var property = slider.settings.mode == 'horizontal' ? 'left' : 'top'; 924 // calculate the new speed 925 var newSpeed = ratio * (totalDimens - (Math.abs(parseInt(el.css(property))))); 926 tickerLoop(newSpeed); 927 }); 928 } 929 // start the ticker loop 930 tickerLoop(); 931 } 932 933 /** 934 * Runs a continuous loop, news ticker-style 935 */ 936 var tickerLoop = function(resumeSpeed){ 937 speed = resumeSpeed ? resumeSpeed : slider.settings.speed; 938 var position = {left: 0, top: 0};
939 var reset = {left: 0, top: 0}; 940 // if "next" animate left position to last child, then reset left to 0 941 if(slider.settings.autoDirection == 'next'){ 942 position = el.find('.bx-clone').first().position(); 943 // if "prev" animate left position to 0, then reset left to first non-clone child 944 }else{ 945 reset = slider.children.first().position(); 946 } 947 var animateProperty = slider.settings.mode == 'horizontal' ? -position.left : -position.top; 948 var resetValue = slider.settings.mode == 'horizontal' ? -reset.left : -reset.top; 949 var params = {resetValue: resetValue}; 950 setPositionProperty(animateProperty, 'ticker', speed, params); 951 } 952 953 /** 954 * Initializes touch events 955 */ 956 var initTouch = function(){ 957 // initialize object to contain all touch values 958 slider.touch = { 959 start: {x: 0, y: 0}, 960 end: {x: 0, y: 0} 961 } 962 slider.viewport.bind('touchstart', onTouchStart); 963 } 964 965 /** 966 * Event handler for "touchstart" 967 * 968 * @param e (event) 969 * - DOM event object 970 */ 971 var onTouchStart = function(e){ 972 if(slider.working){ 973 e.preventDefault(); 974 }else{ 975 // record the original position when touch starts 976 slider.touch.originalPos = el.position(); 977 var orig = e.originalEvent; 978 // record the starting touch x, y coordinates 979 slider.touch.start.x = orig.changedTouches[0].pageX; 980 slider.touch.start.y = orig.changedTouches[0].pageY; 981 // bind a "touchmove" event to the viewport 982 slider.viewport.bind('touchmove', onTouchMove); 983 // bind a "touchend" event to the viewport 984 slider.viewport.bind('touchend', onTouchEnd); 985 } 986 } 987 988 /** 989 * Event handler for "touchmove" 990 * 991 * @param e (event) 992 * - DOM event object 993 */ 994 var onTouchMove = function(e){ 995 var orig = e.originalEvent; 996 // if scrolling on y axis, do not prevent default 997 var xMovement = Math.abs(orig.changedTouches[0].pageX - slider.touch.start.x); 998 var yMovement = Math.abs(orig.changedTouches[0].pageY - slider.touch.start.y); 999 // x axis swipe 1000 if((xMovement * 3) > yMovement && slider.settings.preventDefaultSwipeX){ 1001 e.preventDefault(); 1002 // y axis swipe 1003 }else if((yMovement * 3) > xMovement && slider.settings.preventDefaultSwipeY){ 1004 e.preventDefault(); 1005 } 1006 if(slider.settings.mode != 'fade' && slider.settings.oneToOneTouch){ 1007 var value = 0; 1008 // if horizontal, drag along x axis 1009 if(slider.settings.mode == 'horizontal'){ 1010 var change = orig.changedTouches[0].pageX - slider.touch.start.x; 1011 value = slider.touch.originalPos.left + change; 1012 // if vertical, drag along y axis 1013 }else{ 1014 var change = orig.changedTouches[0].pageY - slider.touch.start.y; 1015 value = slider.touch.originalPos.top + change; 1016 } 1017 setPositionProperty(value, 'reset', 0); 1018 } 1019 } 1020 1021 /** 1022 * Event handler for "touchend" 1023 * 1024 * @param e (event) 1025 * - DOM event object 1026 */ 1027 var onTouchEnd = function(e){ 1028 slider.viewport.unbind('touchmove', onTouchMove); 1029 var orig = e.originalEvent; 1030 var value = 0; 1031 // record end x, y positions 1032 slider.touch.end.x = orig.changedTouches[0].pageX; 1033 slider.touch.end.y = orig.changedTouches[0].pageY; 1034 // if fade mode, check if absolute x distance clears the threshold 1035 if(slider.settings.mode == 'fade'){ 1036 var distance = Math.abs(slider.touch.start.x - slider.touch.end.x); 1037 if(distance >= slider.settings.swipeThreshold){ 1038 slider.touch.start.x > slider.touch.end.x ? el.goToNextSlide() : el.goToPrevSlide(); 1039 el.stopAuto(); 1040 } 1041 // not fade mode 1042 }else{ 1043 var distance = 0; 1044 // calculate distance and el's animate property 1045 if(slider.settings.mode == 'horizontal'){ 1046 distance = slider.touch.end.x - slider.touch.start.x; 1047 value = slider.touch.originalPos.left; 1048 }else{ 1049 distance = slider.touch.end.y - slider.touch.start.y; 1050 value = slider.touch.originalPos.top; 1051 } 1052 // if not infinite loop and first / last slide, do not attempt a slide transition 1053 if(!slider.settings.infiniteLoop && ((slider.active.index == 0 && distance > 0) || (slider.active.last && distance < 0))){ 1054 setPositionProperty(value, 'reset', 200);
1055 }else{ 1056 // check if distance clears threshold 1057 if(Math.abs(distance) >= slider.settings.swipeThreshold){ 1058 distance < 0 ? el.goToNextSlide() : el.goToPrevSlide(); 1059 el.stopAuto(); 1060 }else{ 1061 // el.animate(property, 200); 1062 setPositionProperty(value, 'reset', 200); 1063 } 1064 } 1065 } 1066 slider.viewport.unbind('touchend', onTouchEnd); 1067 } 1068 1069 /** 1070 * Window resize event callback 1071 */ 1072 var resizeWindow = function(e){ 1073 // don't do anything if slider isn't initialized. 1074 if(!slider.initialized) return; 1075 // get the new window dimens (again, thank you IE) 1076 var windowWidthNew = $(window).width(); 1077 var windowHeightNew = $(window).height(); 1078 // make sure that it is a true window resize 1079 // *we must check this because our dinosaur friend IE fires a window resize event when certain DOM elements 1080 // are resized. Can you just die already?* 1081 if(windowWidth != windowWidthNew || windowHeight != windowHeightNew){ 1082 // set the new window dimens 1083 windowWidth = windowWidthNew; 1084 windowHeight = windowHeightNew; 1085 // update all dynamic elements 1086 el.redrawSlider(); 1087 // Call user resize handler 1088 slider.settings.onSliderResize.call(el, slider.active.index); 1089 } 1090 } 1091 1092 /** 1093 * =================================================================================== 1094 * = PUBLIC FUNCTIONS 1095 * =================================================================================== 1096 */ 1097 1098 /** 1099 * Performs slide transition to the specified slide 1100 * 1101 * @param slideIndex (int) 1102 * - the destination slide's index (zero-based) 1103 * 1104 * @param direction (string) 1105 * - INTERNAL USE ONLY - the direction of travel ("prev" / "next") 1106 */ 1107 el.goToSlide = function(slideIndex, direction){ 1108 // if plugin is currently in motion, ignore request 1109 if(slider.working || slider.active.index == slideIndex) return; 1110 // declare that plugin is in motion 1111 slider.working = true; 1112 // store the old index 1113 slider.oldIndex = slider.active.index; 1114 // if slideIndex is less than zero, set active index to last child (this happens during infinite loop) 1115 if(slideIndex < 0){ 1116 slider.active.index = getPagerQty() - 1; 1117 // if slideIndex is greater than children length, set active index to 0 (this happens during infinite loop) 1118 }else if(slideIndex >= getPagerQty()){ 1119 slider.active.index = 0; 1120 // set active index to requested slide 1121 }else{ 1122 slider.active.index = slideIndex; 1123 } 1124 // onSlideBefore, onSlideNext, onSlidePrev callbacks 1125 slider.settings.onSlideBefore(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1126 if(direction == 'next'){ 1127 slider.settings.onSlideNext(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1128 }else if(direction == 'prev'){ 1129 slider.settings.onSlidePrev(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1130 } 1131 // check if last slide 1132 slider.active.last = slider.active.index >= getPagerQty() - 1; 1133 // update the pager with active class 1134 if(slider.settings.pager) updatePagerActive(slider.active.index); 1135 // // check for direction control update 1136 if(slider.settings.controls) updateDirectionControls(); 1137 // if slider is set to mode: "fade" 1138 if(slider.settings.mode == 'fade'){ 1139 // if adaptiveHeight is true and next height is different from current height, animate to the new height 1140 if(slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHeight()){ 1141 slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed); 1142 } 1143 // fade out the visible child and reset its z-index value 1144 slider.children.filter(':visible').fadeOut(slider.settings.speed).css({zIndex: 0}); 1145 // fade in the newly requested slide 1146 slider.children.eq(slider.active.index).css('zIndex', slider.settings.slideZIndex+1).fadeIn(slider.settings.speed, function(){ 1147 $(this).css('zIndex', slider.settings.slideZIndex); 1148 updateAfterSlideTransition(); 1149 }); 1150 // slider mode is not "fade" 1151 }else{ 1152 // if adaptiveHeight is true and next height is different from current height, animate to the new height 1153 if(slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHe
1153ight()){ 1154 slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed); 1155 } 1156 var moveBy = 0; 1157 var position = {left: 0, top: 0}; 1158 // if carousel and not infinite loop 1159 if(!slider.settings.infiniteLoop && slider.carousel && slider.active.last){ 1160 if(slider.settings.mode == 'horizontal'){ 1161 // get the last child position 1162 var lastChild = slider.children.eq(slider.children.length - 1); 1163 position = lastChild.position(); 1164 // calculate the position of the last slide 1165 moveBy = slider.viewport.width() - lastChild.outerWidth(); 1166 }else{ 1167 // get last showing index position 1168 var lastShowingIndex = slider.children.length - slider.settings.minSlides; 1169 position = slider.children.eq(lastShowingIndex).position(); 1170 } 1171 // horizontal carousel, going previous while on first slide (infiniteLoop mode) 1172 }else if(slider.carousel && slider.active.last && direction == 'prev'){ 1173 // get the last child position 1174 var eq = slider.settings.moveSlides == 1 ? slider.settings.maxSlides - getMoveBy() : ((getPagerQty() - 1) * getMoveBy()) - (slider.children.length - slider.settings.maxSlides); 1175 var lastChild = el.children('.bx-clone').eq(eq); 1176 position = lastChild.position(); 1177 // if infinite loop and "Next" is clicked on the last slide 1178 }else if(direction == 'next' && slider.active.index == 0){ 1179 // get the last clone position 1180 position = el.find('> .bx-clone').eq(slider.settings.maxSlides).position(); 1181 slider.active.last = false; 1182 // normal non-zero requests 1183 }else if(slideIndex >= 0){ 1184 var requestEl = slideIndex * getMoveBy(); 1185 position = slider.children.eq(requestEl).position(); 1186 } 1187 1188 /* If the position doesn't exist 1189 * (e.g. if you destroy the slider on a next click), 1190 * it doesn't throw an error. 1191 */ 1192 if ("undefined" !== typeof(position)) { 1193 var value = slider.settings.mode == 'horizontal' ? -(position.left - moveBy) : -position.top; 1194 // plugin values to be animated 1195 setPositionProperty(value, 'slide', slider.settings.speed); 1196 } 1197 } 1198 } 1199 1200 /** 1201 * Transitions to the next slide in the show 1202 */ 1203 el.goToNextSlide = function(){ 1204 // if infiniteLoop is false and last page is showing, disregard call 1205 if (!slider.settings.infiniteLoop && slider.active.last) return; 1206 var pagerIndex = parseInt(slider.active.index) + 1; 1207 el.goToSlide(pagerIndex, 'next'); 1208 } 1209 1210 /** 1211 * Transitions to the prev slide in the show 1212 */ 1213 el.goToPrevSlide = function(){ 1214 // if infiniteLoop is false and last page is showing, disregard call 1215 if (!slider.settings.infiniteLoop && slider.active.index == 0) return; 1216 var pagerIndex = parseInt(slider.active.index) - 1; 1217 el.goToSlide(pagerIndex, 'prev'); 1218 } 1219 1220 /** 1221 * Starts the auto show 1222 * 1223 * @param preventControlUpdate (boolean) 1224 * - if true, auto controls state will not be updated 1225 */ 1226 el.startAuto = function(preventControlUpdate){ 1227 // if an interval already exists, disregard call 1228 if(slider.interval) return; 1229 // create an interval 1230 slider.interval = setInterval(function(){ 1231 slider.settings.autoDirection == 'next' ? el.goToNextSlide() : el.goToPrevSlide(); 1232 }, slider.settings.pause); 1233 // if auto controls are displayed and preventControlUpdate is not true 1234 if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('stop'); 1235 } 1236 1237 /** 1238 * Stops the auto show 1239 * 1240 * @param preventControlUpdate (boolean) 1241 * - if true, auto controls state will not be updated 1242 */ 1243 el.stopAuto = function(preventControlUpdate){ 1244 // if no interval exists, disregard call 1245 if(!slider.interval) return; 1246 // clear the interval 1247 clearInterval(slider.interval); 1248 slider.interval = null; 1249 // if auto controls are displayed and preventControlUpdate is not true 1250 if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('start'); 1251 } 1252 1253 /** 1254 * Returns current slide index (zero-based) 1255 */ 1256 el.getCurrentSlide = function(){ 1257 return slider.active.index; 1258 } 1259 1260 /** 1261 * Returns current slide element 1262 */ 1263 el.getCurrentSlideElement = function(){ 1264 return slider.children.eq(slider.active.index); 1265 } 1266 1267 /** 1268 * Returns number of slides in show 1269 */ 1270 el.getSlideCount = function(){ 1271 return slider.children.length; 1272 } 1273 1274 /** 1275 * Update all dynamic slider elements 1276 */ 1277 el.redrawSlider = function(){ 1278 // resize all children in ratio to new screen size 1279 slider.children.add(el.find('.bx-clone')).width(getSlideWidth()); 1280 // adjust the height
1281 slider.viewport.css('height', getViewportHeight()); 1282 // update the slide position 1283 if(!slider.settings.ticker) setSlidePosition(); 1284 // if active.last was true before the screen resize, we want 1285 // to keep it last no matter what screen size we end on 1286 if (slider.active.last) slider.active.index = getPagerQty() - 1; 1287 // if the active index (page) no longer exists due to the resize, simply set the index as last 1288 if (slider.active.index >= getPagerQty()) slider.active.last = true; 1289 // if a pager is being displayed and a custom pager is not being used, update it 1290 if(slider.settings.pager && !slider.settings.pagerCustom){ 1291 populatePager(); 1292 updatePagerActive(slider.active.index); 1293 } 1294 } 1295 1296 /** 1297 * Destroy the current instance of the slider (revert everything back to original state) 1298 */ 1299 el.destroySlider = function(){ 1300 // don't do anything if slider has already been destroyed 1301 if(!slider.initialized) return; 1302 slider.initialized = false; 1303 $('.bx-clone', this).remove(); 1304 slider.children.each(function() { 1305 $(this).data("origStyle") != undefined ? $(this).attr("style", $(this).data("origStyle")) : $(this).removeAttr('style'); 1306 }); 1307 $(this).data("origStyle") != undefined ? this.attr("style", $(this).data("origStyle")) : $(this).removeAttr('style'); 1308 $(this).unwrap().unwrap(); 1309 if(slider.controls.el) slider.controls.el.remove(); 1310 if(slider.controls.next) slider.controls.next.remove(); 1311 if(slider.controls.prev) slider.controls.prev.remove(); 1312 if(slider.pagerEl && slider.settings.controls) slider.pagerEl.remove(); 1313 $('.bx-caption', this).remove(); 1314 if(slider.controls.autoEl) slider.controls.autoEl.remove(); 1315 clearInterval(slider.interval); 1316 if(slider.settings.responsive) $(window).unbind('resize', resizeWindow); 1317 } 1318 1319 /** 1320 * Reload the slider (revert all DOM changes, and re-initialize) 1321 */ 1322 el.reloadSlider = function(settings){ 1323 if (settings != undefined) options = settings; 1324 el.destroySlider(); 1325 init(); 1326 } 1327 1328 init(); 1329 1330 // returns the current jQuery object 1331 return this; 1332 } 1333 1334})(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.