1/** 2 * BxSlider v4.1.2 - Fully loaded, responsive content slider 3 * http://bxslider.com 4 * 5 * Copyright 2014, Steven Wanderski - http://stevenwanderski.com - http://bxcreative.com 6 * Written while drinking Belgian ales and listening to jazz 7 * 8 * Released under the MIT license - http://opensource.org/licenses/MIT 9 */ 10 11;(function($){ 12 13 var plugin = {}; 14 15 var defaults = { 16 17 // GENERAL 18 mode: 'horizontal', 19 slideSelector: '', 20 infiniteLoop: true, 21 hideControlOnEnd: false, 22 speed: 500, 23 easing: null, 24 slideMargin: 0, 25 startSlide: 0, 26 randomStart: true, 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 slideZIndex: 50, 37 wrapperClass: 'bx-wrapper', 38 39 // TOUCH 40 touchEnabled: true, 41 swipeThreshold: 50, 42 oneToOneTouch: true, 43 preventDefaultSwipeX: true, 44 preventDefaultSwipeY: false, 45 46 // PAGER 47 pager: true, 48 pagerType: 'full', 49 pagerShortSeparator: ' / ', 50 pagerSelector: null, 51 buildPager: null, 52 pagerCustom: null, 53 54 // CONTROLS 55 controls: true, 56 nextText: 'Next', 57 prevText: 'Prev', 58 nextSelector: null, 59 prevSelector: null, 60 autoControls: false, 61 startText: 'Start', 62 stopText: 'Stop', 63 autoControlsCombine: false, 64 autoControlsSelector: null, 65 66 // AUTO 67 auto: true, 68 pause: 4000, 69 autoStart: true, 70 autoDirection: 'next', 71 autoHover: false, 72 autoDelay: 0, 73 autoSlideForOnePage: false, 74 75 // CAROUSEL 76 minSlides: 1, 77 maxSlides: 1, 78 moveSlides: 0, 79 slideWidth: 0, 80 81 // CALLBACKS 82 onSliderLoad: function() {}, 83 onSlideBefore: function() {}, 84 onSlideAfter: function() {}, 85 onSlideNext: function() {}, 86 onSlidePrev: function() {}, 87 onSliderResize: function() {} 88 } 89 90 $.fn.bxSlider = function(options){ 91 92 if(this.length == 0) return this; 93 94 // support mutltiple elements 95 if(this.length > 1){ 96 this.each(function(){$(this).bxSlider(options)}); 97 return this; 98 } 99 100 // create a namespace to be used throughout the plugin 101 var slider = {}; 102 // set a reference to our slider element 103 var el = this; 104 plugin.el = this; 105 106 /** 107 * Makes slideshow responsive 108 */ 109 // first get the original window dimens (thanks alot IE) 110 var windowWidth = $(window).width(); 111 var windowHeight = $(window).height(); 112 113 114 115 /** 116 * =================================================================================== 117 * = PRIVATE FUNCTIONS 118 * =================================================================================== 119 */ 120 121 /** 122 * Initializes namespace settings to be used throughout plugin 123 */ 124 var init = function(){ 125 // merge user-supplied options with the defaults 126 slider.settings = $.extend({}, defaults, options); 127 // parse slideWidth setting 128 slider.settings.slideWidth = parseInt(slider.settings.slideWidth); 129 // store the original children 130 slider.children = el.children(slider.settings.slideSelector); 131 // check if actual number of slides is less than minSlides / maxSlides 132 if(slider.children.length < slider.settings.minSlides) slider.settings.minSlides = slider.children.length; 133 if(slider.children.length < slider.settings.maxSlides) slider.settings.maxSlides = slider.children.length; 134 // if random start, set the startSlide setting to random number 135 if(slider.settings.randomStart) slider.settings.startSlide = Math.floor(Math.random() * slider.children.length); 136 // store active slide information 137 slider.active = { index: slider.settings.startSlide } 138 // store if the slider is in carousel mode (displaying / moving multiple slides) 139 slider.carousel = slider.settings.minSlides > 1 || slider.settings.maxSlides > 1; 140 // if carousel, force preloadImages = 'all' 141 if(slider.carousel) slider.settings.preloadImages = 'all'; 142 // calculate the min / max width thresholds based on min / max number of slides 143 // used to setup and update carousel slides dimensions 144 slider.minThreshold = (slider.settings.minSlides * slider.settings.slideWidth) + ((slider.settings.minSlides - 1) * slider.settings.slideMargin); 145 slider.maxThreshold = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin); 146 // store the current state of the slider (if currently animating, working is true) 147 slider.working = false; 148 // initialize the controls object 149 slider.controls = {}; 150 // initialize an auto interval 151 slider.interval = null; 152 // determine which property to use for transitions 153 slider.animProp = slider.settings.mode == 'vertical' ? 'top' : 'left'; 154 // determine if hardware acceleration can be used 155 slider.usingCSS = slider.settings.useCSS && slider.settings.mode != 'fade' && (function(){ 156 // create our test div element 157 var div = document.createElement('div'); 158 // css transition properties 159 var props = ['WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective']; 160 // test for each property 161 for(var i in props){ 162 if(div.style[props[i]] !== undefined){ 163 slider.cssPrefix = props[i].replace('Perspective', '').toLowerCase(); 164 slider.animProp = '-' + slider.cssPrefix + '-transform'; 165 return true; 166 } 167 } 168 return false; 169 }()); 170 // if vertical mode always make maxSlides and minSlides equal 171 if(slider.settings.mode == 'vertical') slider.settings.maxSlides = slider.settings.minSlides; 172 // save original style data 173 el.data("origStyle", el.attr("style"));
174 el.children(slider.settings.slideSelector).each(function() { 175 $(this).data("origStyle", $(this).attr("style")); 176 }); 177 // perform all DOM / CSS modifications 178 setup(); 179 } 180 181 /** 182 * Performs all DOM and CSS modifications 183 */ 184 var setup = function(){ 185 // wrap el in a wrapper 186 el.wrap('<div class="' + slider.settings.wrapperClass + '"><div class="bx-viewport"></div></div>'); 187 // store a namspace reference to .bx-viewport 188 slider.viewport = el.parent(); 189 // add a loading div to display while images are loading 190 slider.loader = $('<div class="bx-loading" />'); 191 slider.viewport.prepend(slider.loader); 192 // set el to a massive width, to hold any needed slides 193 // also strip any margin and padding from el 194 el.css({ 195 width: slider.settings.mode == 'horizontal' ? (slider.children.length * 100 + 215) + '%' : 'auto', 196 position: 'relative' 197 }); 198 // if using CSS, add the easing property 199 if(slider.usingCSS && slider.settings.easing){ 200 el.css('-' + slider.cssPrefix + '-transition-timing-function', slider.settings.easing); 201 // if not using CSS and no easing value was supplied, use the default JS animation easing (swing) 202 }else if(!slider.settings.easing){ 203 slider.settings.easing = 'swing'; 204 } 205 var slidesShowing = getNumberSlidesShowing(); 206 // make modifications to the viewport (.bx-viewport) 207 slider.viewport.css({ 208 width: '100%', 209 overflow: 'hidden', 210 position: 'relative' 211 }); 212 slider.viewport.parent().css({ 213 maxWidth: getViewportMaxWidth() 214 }); 215 // make modification to the wrapper (.bx-wrapper) 216 if(!slider.settings.pager) { 217 slider.viewport.parent().css({ 218 margin: '0 auto 0px' 219 }); 220 } 221 // apply css to all slider children 222 slider.children.css({ 223 'float': slider.settings.mode == 'horizontal' ? 'left' : 'none', 224 listStyle: 'none', 225 position: 'relative' 226 }); 227 // apply the calculated width after the float is applied to prevent scrollbar interference 228 slider.children.css('width', getSlideWidth()); 229 // if slideMargin is supplied, add the css 230 if(slider.settings.mode == 'horizontal' && slider.settings.slideMargin > 0) slider.children.css('marginRight', slider.settings.slideMargin); 231 if(slider.settings.mode == 'vertical' && slider.settings.slideMargin > 0) slider.children.css('marginBottom', slider.settings.slideMargin); 232 // if "fade" mode, add positioning and z-index CSS 233 if(slider.settings.mode == 'fade'){ 234 slider.children.css({ 235 position: 'absolute', 236 zIndex: 0, 237 display: 'none' 238 }); 239 // prepare the z-index on the showing element 240 slider.children.eq(slider.settings.startSlide).css({zIndex: slider.settings.slideZIndex, display: 'block'}); 241 } 242 // create an element to contain all slider controls (pager, start / stop, etc) 243 slider.controls.el = $('<div class="bx-controls" />'); 244 // if captions are requested, add them 245 if(slider.settings.captions) appendCaptions(); 246 // check if startSlide is last slide 247 slider.active.last = slider.settings.startSlide == getPagerQty() - 1; 248 // if video is true, set up the fitVids plugin 249 if(slider.settings.video) el.fitVids(); 250 // set the default preload selector (visible) 251 var preloadSelector = slider.children.eq(slider.settings.startSlide); 252 if (slider.settings.preloadImages == "all") preloadSelector = slider.children;
253 // only check for control addition if not in "ticker" mode 254 if(!slider.settings.ticker){ 255 // if pager is requested, add it 256 if(slider.settings.pager) appendPager(); 257 // if controls are requested, add them 258 if(slider.settings.controls) appendControls(); 259 // if auto is true, and auto controls are requested, add them 260 if(slider.settings.auto && slider.settings.autoControls) appendControlsAuto(); 261 // if any control option is requested, add the controls wrapper 262 if(slider.settings.controls || slider.settings.autoControls || slider.settings.pager) slider.viewport.after(slider.controls.el); 263 // if ticker mode, do not allow a pager 264 }else{ 265 slider.settings.pager = false; 266 } 267 // preload all images, then perform final DOM / CSS modifications that depend on images being loaded 268 loadElements(preloadSelector, start); 269 } 270 271 var loadElements = function(selector, callback){ 272 var total = selector.find('img, iframe').length; 273 if (total == 0){ 274 callback(); 275 return; 276 } 277 var count = 0; 278 selector.find('img, iframe').each(function(){ 279 $(this).one('load', function() { 280 if(++count == total) callback(); 281 }).each(function() { 282 if(this.complete) $(this).load(); 283 }); 284 }); 285 } 286 287 /** 288 * Start the slider 289 */ 290 var start = function(){ 291 // if infinite loop, prepare additional slides 292 if(slider.settings.infiniteLoop && slider.settings.mode != 'fade' && !slider.settings.ticker){ 293 var slice = slider.settings.mode == 'vertical' ? slider.settings.minSlides : slider.settings.maxSlides; 294 var sliceAppend = slider.children.slice(0, slice).clone().addClass('bx-clone'); 295 var slicePrepend = slider.children.slice(-slice).clone().addClass('bx-clone'); 296 el.append(sliceAppend).prepend(slicePrepend); 297 } 298 // remove the loading DOM element 299 slider.loader.remove(); 300 // set the left / top position of "el" 301 setSlidePosition(); 302 // if "vertical" mode, always use adaptiveHeight to prevent odd behavior 303 if (slider.settings.mode == 'vertical') slider.settings.adaptiveHeight = true; 304 // set the viewport height 305 slider.viewport.height(getViewportHeight()); 306 // make sure everything is positioned just right (same as a window resize) 307 el.redrawSlider(); 308 // onSliderLoad callback 309 slider.settings.onSliderLoad(slider.active.index); 310 // slider has been fully initialized 311 slider.initialized = true;
312 // bind the resize call to the window 313 if (slider.settings.responsive) $(window).bind('resize', resizeWindow); 314 // if auto is true and has more than 1 page, start the show 315 if (slider.settings.auto && slider.settings.autoStart && (getPagerQty() > 1 || slider.settings.autoSlideForOnePage)) initAuto(); 316 // if ticker is true, start the ticker 317 if (slider.settings.ticker) initTicker(); 318 // if pager is requested, make the appropriate pager link active 319 if (slider.settings.pager) updatePagerActive(slider.settings.startSlide); 320 // check for any updates to the controls (like hideControlOnEnd updates) 321 if (slider.settings.controls) updateDirectionControls(); 322 // if touchEnabled is true, setup the touch events 323 if (slider.settings.touchEnabled && !slider.settings.ticker) initTouch(); 324 } 325 326 /** 327 * Returns the calculated height of the viewport, used to determine either adaptiveHeight or the maxHeight value 328 */ 329 var getViewportHeight = function(){ 330 var height = 0; 331 // first determine which children (slides) should be used in our height calculation 332 var children = $(); 333 // if mode is not "vertical" and adaptiveHeight is false, include all children 334 if(slider.settings.mode != 'vertical' && !slider.settings.adaptiveHeight){ 335 children = slider.children; 336 }else{ 337 // if not carousel, return the single active child 338 if(!slider.carousel){ 339 children = slider.children.eq(slider.active.index); 340 // if carousel, return a slice of children 341 }else{ 342 // get the individual slide index 343 var currentIndex = slider.settings.moveSlides == 1 ? slider.active.index : slider.active.index * getMoveBy(); 344 // add the current slide to the children 345 children = slider.children.eq(currentIndex); 346 // cycle through the remaining "showing" slides 347 for (i = 1; i <= slider.settings.maxSlides - 1; i++){ 348 // if looped back to the start 349 if(currentIndex + i >= slider.children.length){ 350 children = children.add(slider.children.eq(i - 1)); 351 }else{ 352 children = children.add(slider.children.eq(currentIndex + i)); 353 } 354 } 355 } 356 } 357 // if "vertical" mode, calculate the sum of the heights of the children 358 if(slider.settings.mode == 'vertical'){ 359 children.each(function(index) { 360 //height += $(this).outerHeight(); 361 height = $(window).height(); 362 }); 363 // add user-supplied margins 364 if(slider.settings.slideMargin > 0){ 365 height += slider.settings.slideMargin * (slider.settings.minSlides - 1); 366 } 367 // if not "vertical" mode, calculate the max height of the children 368 }else{ 369 height = Math.max.apply(Math, children.map(function(){ 370 return $(this).outerHeight(false); 371 }).get()); 372 } 373 374 if(slider.viewport.css('box-sizing') == 'border-box'){ 375 height += parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom')) + 376 parseFloat(slider.viewport.css('border-top-width')) + parseFloat(slider.viewport.css('border-bottom-width')); 377 }else if(slider.viewport.css('box-sizing') == 'padding-box'){ 378 height += parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom')); 379 } 380 381 return height; 382 } 383 384 /** 385 * Returns the calculated width to be used for the outer wrapper / viewport 386 */ 387 var getViewportMaxWidth = function(){ 388 var width = '100%'; 389 if(slider.settings.slideWidth > 0){ 390 if(slider.settings.mode == 'horizontal'){ 391 width = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin); 392 }else{ 393 width = slider.settings.slideWidth; 394 } 395 } 396 return width; 397 } 398 399 /** 400 * Returns the calculated width to be applied to each slide 401 */ 402 var getSlideWidth = function(){ 403 // start with any user-supplied slide width 404 var newElWidth = slider.settings.slideWidth; 405 // get the current viewport width 406 var wrapWidth = slider.viewport.width(); 407 // if slide width was not supplied, or is larger than the viewport use the viewport width 408 if(slider.settings.slideWidth == 0 || 409 (slider.settings.slideWidth > wrapWidth && !slider.carousel) || 410 slider.settings.mode == 'vertical'){ 411 newElWidth = wrapWidth; 412 // if carousel, use the thresholds to determine the width 413 }else if(slider.settings.maxSlides > 1 && slider.settings.mode == 'horizontal'){
414 if(wrapWidth > slider.maxThreshold){ 415 // newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.maxSlides - 1))) / slider.settings.maxSlides; 416 }else if(wrapWidth < slider.minThreshold){ 417 newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.minSlides - 1))) / slider.settings.minSlides; 418 } 419 } 420 return newElWidth; 421 } 422 423 /** 424 * Returns the number of slides currently visible in the viewport (includes partially visible slides) 425 */ 426 var getNumberSlidesShowing = function(){ 427 var slidesShowing = 1; 428 if(slider.settings.mode == 'horizontal' && slider.settings.slideWidth > 0){ 429 // if viewport is smaller than minThreshold, return minSlides 430 if(slider.viewport.width() < slider.minThreshold){ 431 slidesShowing = slider.settings.minSlides; 432 // if viewport is larger than minThreshold, return maxSlides 433 }else if(slider.viewport.width() > slider.maxThreshold){ 434 slidesShowing = slider.settings.maxSlides; 435 // if viewport is between min / max thresholds, divide viewport width by first child width 436 }else{ 437 var childWidth = slider.children.first().width() + slider.settings.slideMargin; 438 slidesShowing = Math.floor((slider.viewport.width() + 439 slider.settings.slideMargin) / childWidth); 440 } 441 // if "vertical" mode, slides showing will always be minSlides 442 }else if(slider.settings.mode == 'vertical'){ 443 slidesShowing = slider.settings.minSlides; 444 } 445 return slidesShowing; 446 } 447 448 /** 449 * Returns the number of pages (one full viewport of slides is one "page") 450 */ 451 var getPagerQty = function(){ 452 var pagerQty = 0; 453 // if moveSlides is specified by the user 454 if(slider.settings.moveSlides > 0){ 455 if(slider.settings.infiniteLoop){ 456 pagerQty = Math.ceil(slider.children.length / getMoveBy()); 457 }else{ 458 // use a while loop to determine pages 459 var breakPoint = 0; 460 var counter = 0 461 // when breakpoint goes above children length, counter is the number of pages 462 while (breakPoint < slider.children.length){ 463 ++pagerQty; 464 breakPoint = counter + getNumberSlidesShowing(); 465 counter += slider.settings.moveSlides <= getNumberSlidesShowing() ? slider.settings.moveSlides : getNumberSlidesShowing(); 466 } 467 } 468 // if moveSlides is 0 (auto) divide children length by sides showing, then round up 469 }else{ 470 pagerQty = Math.ceil(slider.children.length / getNumberSlidesShowing()); 471 } 472 return pagerQty; 473 } 474 475 /** 476 * Returns the number of indivual slides by which to shift the slider 477 */ 478 var getMoveBy = function(){ 479 // if moveSlides was set by the user and moveSlides is less than number of slides showing 480 if(slider.settings.moveSlides > 0 && slider.settings.moveSlides <= getNumberSlidesShowing()){ 481 return slider.settings.moveSlides; 482 } 483 // if moveSlides is 0 (auto) 484 return getNumberSlidesShowing(); 485 } 486 487 /** 488 * Sets the slider's (el) left or top position 489 */ 490 var setSlidePosition = function(){ 491 // if last slide, not infinite loop, and number of children is larger than specified maxSlides 492 if(slider.children.length > slider.settings.maxSlides && slider.active.last && !slider.settings.infiniteLoop){ 493 if (slider.settings.mode == 'horizontal'){ 494 // get the last child's position 495 var lastChild = slider.children.last(); 496 var position = lastChild.position(); 497 // set the left position 498 setPositionProperty(-(position.left - (slider.viewport.width() - lastChild.outerWidth())), 'reset', 0); 499 }else if(slider.settings.mode == 'vertical'){ 500 // get the last showing index's position 501 var lastShowingIndex = slider.children.length - slider.settings.minSlides; 502 var position = slider.children.eq(lastShowingIndex).position(); 503 // set the top position 504 setPositionProperty(-position.top, 'reset', 0); 505 } 506 // if not last slide 507 }else{ 508 // get the position of the first showing slide 509 var position = slider.children.eq(slider.active.index * getMoveBy()).position(); 510 // check for last slide 511 if (slider.active.index == getPagerQty() - 1) slider.active.last = true; 512 // set the repective position 513 if (position != undefined){ 514 if (slider.settings.mode == 'horizontal') setPositionProperty(-position.left, 'reset', 0); 515 else if (slider.settings.mode == 'vertical') setPositionProperty(-position.top, 'reset', 0); 516 } 517 } 518 } 519 520 /** 521 * Sets the el's animating property position (which in turn will sometimes animate el). 522 * If using CSS, sets the transform property. If not using CSS, sets the top / left property. 523 * 524 * @param value (int) 525 * - the animating property's value 526 * 527 * @param type (string) 'slider', 'reset', 'ticker' 528 * - the type of instance for which the function is being 529 * 530 * @param duration (int) 531 * - the amount of time (in ms) the transition should occupy 532 * 533 * @param params (array) optional 534 * - an optional parameter containing any variables that need to be passed in 535 */ 536 var setPositionProperty = function(value, type, duration, params){ 537 // use CSS transform 538 if(slider.usingCSS){ 539 // determine the translate3d value 540 var propValue = slider.settings.mode == 'vertical' ? 'translate3d(0, ' + value + 'px, 0)' : 'translate3d(' + value + 'px, 0, 0)'; 541 // add the CSS transition-duration 542 el.css('-' + slider.cssPrefix + '-transition-duration', duration / 1000 + 's'); 543 if(type == 'slide'){ 544 // set the property value 545 el.css(slider.animProp, propValue); 546 // bind a callback method - executes when CSS transition completes 547 el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){ 548 // unbind the callback 549 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd'); 550 updateAfterSlideTransition(); 551 });
552 }else if(type == 'reset'){ 553 el.css(slider.animProp, propValue); 554 }else if(type == 'ticker'){ 555 // make the transition use 'linear' 556 el.css('-' + slider.cssPrefix + '-transition-timing-function', 'linear'); 557 el.css(slider.animProp, propValue); 558 // bind a callback method - executes when CSS transition completes 559 el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){ 560 // unbind the callback 561 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd'); 562 // reset the position 563 setPositionProperty(params['resetValue'], 'reset', 0); 564 // start the loop again 565 tickerLoop(); 566 }); 567 } 568 // use JS animate 569 }else{ 570 var animateObj = {}; 571 animateObj[slider.animProp] = value; 572 if(type == 'slide'){ 573 el.animate(animateObj, duration, slider.settings.easing, function(){ 574 updateAfterSlideTransition(); 575 }); 576 }else if(type == 'reset'){ 577 el.css(slider.animProp, value) 578 }else if(type == 'ticker'){ 579 el.animate(animateObj, speed, 'linear', function(){ 580 setPositionProperty(params['resetValue'], 'reset', 0); 581 // run the recursive loop after animation 582 tickerLoop(); 583 }); 584 } 585 } 586 } 587 588 /** 589 * Populates the pager with proper amount of pages 590 */ 591 var populatePager = function(){ 592 var pagerHtml = ''; 593 var pagerQty = getPagerQty(); 594 // loop through each pager item 595 for(var i=0; i < pagerQty; i++){ 596 var linkContent = ''; 597 // if a buildPager function is supplied, use it to get pager link value, else use index + 1 598 if(slider.settings.buildPager && $.isFunction(slider.settings.buildPager)){ 599 linkContent = slider.settings.buildPager(i); 600 slider.pagerEl.addClass('bx-custom-pager'); 601 }else{ 602 linkContent = i + 1; 603 slider.pagerEl.addClass('bx-default-pager'); 604 } 605 // var linkContent = slider.settings.buildPager && $.isFunction(slider.settings.buildPager) ? slider.settings.buildPager(i) : i + 1; 606 // add the markup to the string 607 // 以下削除 608 // pagerHtml += '<div class="bx-pager-item"><a href="" data-slide-index="' + i + '" class="bx-pager-link">' + linkContent + '</a></div>'; 609 }; 610 // populate the pager element with pager links 611 slider.pagerEl.html(pagerHtml); 612 } 613 614 /** 615 * Appends the pager to the controls element 616 */ 617 var appendPager = function(){ 618 if(!slider.settings.pagerCustom){ 619 // create the pager DOM element 620 slider.pagerEl = $('<div class="bx-pager" />'); 621 // if a pager selector was supplied, populate it with the pager 622 if(slider.settings.pagerSelector){ 623 $(slider.settings.pagerSelector).html(slider.pagerEl); 624 // if no pager selector was supplied, add it after the wrapper 625 }else{ 626 slider.controls.el.addClass('bx-has-pager').append(slider.pagerEl); 627 } 628 // populate the pager 629 populatePager(); 630 }else{ 631 slider.pagerEl = $(slider.settings.pagerCustom); 632 } 633 // assign the pager click binding 634 slider.pagerEl.on('click', 'a', clickPagerBind); 635 } 636 637 /** 638 * Appends prev / next controls to the controls element 639 */ 640 var appendControls = function(){ 641 slider.controls.next = $('<a class="bx-next" href="">' + slider.settings.nextText + '</a>'); 642 slider.controls.prev = $('<a class="bx-prev" href="">' + slider.settings.prevText + '</a>'); 643 // bind click actions to the controls 644 slider.controls.next.bind('click', clickNextBind); 645 slider.controls.prev.bind('click', clickPrevBind); 646 // if nextSlector was supplied, populate it 647 if(slider.settings.nextSelector){ 648 $(slider.settings.nextSelector).append(slider.controls.next); 649 } 650 // if prevSlector was supplied, populate it 651 if(slider.settings.prevSelector){ 652 $(slider.settings.prevSelector).append(slider.controls.prev); 653 } 654 // if no custom selectors were supplied 655 if(!slider.settings.nextSelector && !slider.settings.prevSelector){ 656 // add the controls to the DOM
vendor: 1,820 bytes, lines 657-690
657 slider.controls.directionEl = $('<div class="bx-controls-direction" />'); 658 // add the control elements to the directionEl 659 slider.controls.directionEl.append(slider.controls.prev).append(slider.controls.next); 660 // slider.viewport.append(slider.controls.directionEl); 661 slider.controls.el.addClass('bx-has-controls-direction').append(slider.controls.directionEl); 662 } 663 } 664 665 /** 666 * Appends start / stop auto controls to the controls element 667 */ 668 var appendControlsAuto = function(){ 669 slider.controls.start = $('<div class="bx-controls-auto-item"><a class="bx-start" href="">' + slider.settings.startText + '</a></div>'); 670 slider.controls.stop = $('<div class="bx-controls-auto-item"><a class="bx-stop" href="">' + slider.settings.stopText + '</a></div>'); 671 // add the controls to the DOM 672 slider.controls.autoEl = $('<div class="bx-controls-auto" />'); 673 // bind click actions to the controls 674 slider.controls.autoEl.on('click', '.bx-start', clickStartBind); 675 slider.controls.autoEl.on('click', '.bx-stop', clickStopBind); 676 // if autoControlsCombine, insert only the "start" control 677 if(slider.settings.autoControlsCombine){ 678 slider.controls.autoEl.append(slider.controls.start); 679 // if autoControlsCombine is false, insert both controls 680 }else{ 681 slider.controls.autoEl.append(slider.controls.start).append(slider.controls.stop); 682 } 683 // if auto controls selector was supplied, populate it with the controls 684 if(slider.settings.autoControlsSelector){ 685 $(slider.settings.autoControlsSelector).html(slider.controls.autoEl); 686 // if auto controls selector was not supplied, add it after the wrapper 687 }else{ 688 slider.controls.el.addClass('bx-has-controls-auto').append(slider.controls.autoEl); 689 } 690 // update the auto controls
691 updateAutoControls(slider.settings.autoStart ? 'stop' : 'start'); 692 } 693 694 /** 695 * Appends image captions to the DOM 696 */ 697 var appendCaptions = function(){ 698 // cycle through each child 699 slider.children.each(function(index){ 700 // get the image title attribute 701 var title = $(this).find('img:first').attr('title'); 702 // append the caption 703 if (title != undefined && ('' + title).length) { 704 $(this).append('<div class="bx-caption"><span>' + title + '</span></div>'); 705 } 706 }); 707 } 708 709 /** 710 * Click next binding 711 * 712 * @param e (event) 713 * - DOM event object 714 */ 715 var clickNextBind = function(e){ 716 // if auto show is running, stop it 717 if (slider.settings.auto) el.stopAuto(); 718 el.goToNextSlide(); 719 e.preventDefault(); 720 } 721 722 /** 723 * Click prev binding 724 * 725 * @param e (event) 726 * - DOM event object 727 */ 728 var clickPrevBind = function(e){ 729 // if auto show is running, stop it 730 if (slider.settings.auto) el.stopAuto(); 731 el.goToPrevSlide(); 732 e.preventDefault(); 733 } 734 735 /** 736 * Click start binding 737 * 738 * @param e (event) 739 * - DOM event object 740 */ 741 var clickStartBind = function(e){ 742 el.startAuto(); 743 e.preventDefault(); 744 } 745 746 /** 747 * Click stop binding 748 * 749 * @param e (event) 750 * - DOM event object 751 */ 752 var clickStopBind = function(e){ 753 el.stopAuto(); 754 e.preventDefault(); 755 } 756 757 /** 758 * Click pager binding 759 * 760 * @param e (event) 761 * - DOM event object 762 */ 763 var clickPagerBind = function(e){ 764 // if auto show is running, stop it 765 if (slider.settings.auto) el.stopAuto(); 766 var pagerLink = $(e.currentTarget); 767 if(pagerLink.attr('data-slide-index') !== undefined){ 768 var pagerIndex = parseInt(pagerLink.attr('data-slide-index')); 769 // if clicked pager link is not active, continue with the goToSlide call 770 if(pagerIndex != slider.active.index) el.goToSlide(pagerIndex); 771 e.preventDefault(); 772 } 773 } 774 775 /** 776 * Updates the pager links with an active class 777 * 778 * @param slideIndex (int) 779 * - index of slide to make active 780 */ 781 var updatePagerActive = function(slideIndex){ 782 // if "short" pager type 783 var len = slider.children.length; // nb of children 784 if(slider.settings.pagerType == 'short'){ 785 if(slider.settings.maxSlides > 1) { 786 len = Math.ceil(slider.children.length/slider.settings.maxSlides); 787 } 788 slider.pagerEl.html( (slideIndex + 1) + slider.settings.pagerShortSeparator + len); 789 return; 790 } 791 // remove all pager active classes 792 slider.pagerEl.find('a').removeClass('active'); 793 // apply the active class for all pagers 794 slider.pagerEl.each(function(i, el) { $(el).find('a').eq(slideIndex).addClass('active'); }); 795 } 796 797 /** 798 * Performs needed actions after a slide transition 799 */ 800 var updateAfterSlideTransition = function(){ 801 // if infinte loop is true 802 if(slider.settings.infiniteLoop){ 803 var position = ''; 804 // first slide 805 if(slider.active.index == 0){ 806 // set the new position 807 position = slider.children.eq(0).position(); 808 // carousel, last slide 809 }else if(slider.active.index == getPagerQty() - 1 && slider.carousel){ 810 position = slider.children.eq((getPagerQty() - 1) * getMoveBy()).position(); 811 // last slide 812 }else if(slider.active.index == slider.children.length - 1){ 813 position = slider.children.eq(slider.children.length - 1).position(); 814 } 815 if(position){ 816 if (slider.settings.mode == 'horizontal') { setPositionProperty(-position.left, 'reset', 0); } 817 else if (slider.settings.mode == 'vertical') { setPositionProperty(-position.top, 'reset', 0); } 818 } 819 } 820 // declare that the transition is complete 821 slider.working = false; 822 // onSlideAfter callback 823 slider.settings.onSlideAfter(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 824 } 825 826 /** 827 * Updates the auto controls state (either active, or combined switch) 828 * 829 * @param state (string) "start", "stop" 830 * - the new state of the auto show 831 */ 832 var updateAutoControls = function(state){ 833 // if autoControlsCombine is true, replace the current control with the new state 834 if(slider.settings.autoControlsCombine){
835 slider.controls.autoEl.html(slider.controls[state]); 836 // if autoControlsCombine is false, apply the "active" class to the appropriate control 837 }else{ 838 slider.controls.autoEl.find('a').removeClass('active'); 839 slider.controls.autoEl.find('a:not(.bx-' + state + ')').addClass('active'); 840 } 841 } 842 843 /** 844 * Updates the direction controls (checks if either should be hidden) 845 */ 846 var updateDirectionControls = function(){ 847 if(getPagerQty() == 1){ 848 slider.controls.prev.addClass('disabled'); 849 slider.controls.next.addClass('disabled'); 850 }else if(!slider.settings.infiniteLoop && slider.settings.hideControlOnEnd){ 851 // if first slide 852 if (slider.active.index == 0){ 853 slider.controls.prev.addClass('disabled'); 854 slider.controls.next.removeClass('disabled'); 855 // if last slide 856 }else if(slider.active.index == getPagerQty() - 1){ 857 slider.controls.next.addClass('disabled'); 858 slider.controls.prev.removeClass('disabled'); 859 // if any slide in the middle 860 }else{ 861 slider.controls.prev.removeClass('disabled'); 862 slider.controls.next.removeClass('disabled'); 863 } 864 } 865 } 866 867 /** 868 * Initialzes the auto process 869 */ 870 var initAuto = function(){ 871 // if autoDelay was supplied, launch the auto show using a setTimeout() call 872 if(slider.settings.autoDelay > 0){ 873 var timeout = setTimeout(el.startAuto, slider.settings.autoDelay); 874 // if autoDelay was not supplied, start the auto show normally 875 }else{ 876 el.startAuto(); 877 } 878 // if autoHover is requested 879 if(slider.settings.autoHover){ 880 // on el hover 881 el.hover(function(){ 882 // if the auto show is currently playing (has an active interval) 883 if(slider.interval){ 884 // stop the auto show and pass true agument which will prevent control update 885 el.stopAuto(true); 886 // create a new autoPaused value which will be used by the relative "mouseout" event 887 slider.autoPaused = true; 888 } 889 }, function(){ 890 // if the autoPaused value was created be the prior "mouseover" event 891 if(slider.autoPaused){ 892 // start the auto show and pass true agument which will prevent control update 893 el.startAuto(true); 894 // reset the autoPaused value 895 slider.autoPaused = null; 896 } 897 }); 898 } 899 } 900 901 /** 902 * Initialzes the ticker process 903 */ 904 var initTicker = function(){ 905 var startPosition = 0; 906 // if autoDirection is "next", append a clone of the entire slider 907 if(slider.settings.autoDirection == 'next'){ 908 el.append(slider.children.clone().addClass('bx-clone')); 909 // if autoDirection is "prev", prepend a clone of the entire slider, and set the left position 910 }else{ 911 el.prepend(slider.children.clone().addClass('bx-clone')); 912 var position = slider.children.first().position(); 913 startPosition = slider.settings.mode == 'horizontal' ? -position.left : -position.top; 914 } 915 setPositionProperty(startPosition, 'reset', 0); 916 // do not allow controls in ticker mode 917 slider.settings.pager = false; 918 slider.settings.controls = false; 919 slider.settings.autoControls = false; 920 // if autoHover is requested 921 if(slider.settings.tickerHover && !slider.usingCSS){ 922 // on el hover 923 slider.viewport.hover(function(){ 924 el.stop(); 925 }, function(){ 926 // calculate the total width of children (used to calculate the speed ratio) 927 var totalDimens = 0; 928 slider.children.each(function(index){ 929 totalDimens += slider.settings.mode == 'horizontal' ? $(this).outerWidth(true) : $(this).outerHeight(true); 930 }); 931 // calculate the speed ratio (used to determine the new speed to finish the paused animation) 932 var ratio = slider.settings.speed / totalDimens; 933 // determine which property to use 934 var property = slider.settings.mode == 'horizontal' ? 'left' : 'top'; 935 // calculate the new speed 936 var newSpeed = ratio * (totalDimens - (Math.abs(parseInt(el.css(property))))); 937 tickerLoop(newSpeed); 938 }); 939 } 940 // start the ticker loop 941 tickerLoop(); 942 } 943 944 /** 945 * Runs a continuous loop, news ticker-style 946 */ 947 var tickerLoop = function(resumeSpeed){ 948 speed = resumeSpeed ? resumeSpeed : slider.settings.speed; 949 var position = {left: 0, top: 0};
950 var reset = {left: 0, top: 0}; 951 // if "next" animate left position to last child, then reset left to 0 952 if(slider.settings.autoDirection == 'next'){ 953 position = el.find('.bx-clone').first().position(); 954 // if "prev" animate left position to 0, then reset left to first non-clone child 955 }else{ 956 reset = slider.children.first().position(); 957 } 958 var animateProperty = slider.settings.mode == 'horizontal' ? -position.left : -position.top; 959 var resetValue = slider.settings.mode == 'horizontal' ? -reset.left : -reset.top; 960 var params = {resetValue: resetValue}; 961 setPositionProperty(animateProperty, 'ticker', speed, params); 962 } 963 964 /** 965 * Initializes touch events 966 */ 967 var initTouch = function(){ 968 // initialize object to contain all touch values 969 slider.touch = { 970 start: {x: 0, y: 0}, 971 end: {x: 0, y: 0} 972 } 973 slider.viewport.bind('touchstart', onTouchStart); 974 } 975 976 /** 977 * Event handler for "touchstart" 978 * 979 * @param e (event) 980 * - DOM event object 981 */ 982 var onTouchStart = function(e){ 983 if(slider.working){ 984 e.preventDefault(); 985 }else{ 986 // record the original position when touch starts 987 slider.touch.originalPos = el.position(); 988 var orig = e.originalEvent; 989 // record the starting touch x, y coordinates 990 slider.touch.start.x = orig.changedTouches[0].pageX; 991 slider.touch.start.y = orig.changedTouches[0].pageY; 992 // bind a "touchmove" event to the viewport 993 slider.viewport.bind('touchmove', onTouchMove); 994 // bind a "touchend" event to the viewport 995 slider.viewport.bind('touchend', onTouchEnd); 996 } 997 } 998 999 /** 1000 * Event handler for "touchmove" 1001 * 1002 * @param e (event) 1003 * - DOM event object 1004 */ 1005 var onTouchMove = function(e){ 1006 var orig = e.originalEvent; 1007 // if scrolling on y axis, do not prevent default 1008 var xMovement = Math.abs(orig.changedTouches[0].pageX - slider.touch.start.x); 1009 var yMovement = Math.abs(orig.changedTouches[0].pageY - slider.touch.start.y); 1010 // x axis swipe 1011 if((xMovement * 3) > yMovement && slider.settings.preventDefaultSwipeX){ 1012 e.preventDefault(); 1013 // y axis swipe 1014 }else if((yMovement * 3) > xMovement && slider.settings.preventDefaultSwipeY){ 1015 e.preventDefault(); 1016 } 1017 if(slider.settings.mode != 'fade' && slider.settings.oneToOneTouch){ 1018 var value = 0; 1019 // if horizontal, drag along x axis 1020 if(slider.settings.mode == 'horizontal'){ 1021 var change = orig.changedTouches[0].pageX - slider.touch.start.x; 1022 value = slider.touch.originalPos.left + change; 1023 // if vertical, drag along y axis 1024 }else{ 1025 var change = orig.changedTouches[0].pageY - slider.touch.start.y; 1026 value = slider.touch.originalPos.top + change; 1027 } 1028 setPositionProperty(value, 'reset', 0); 1029 } 1030 } 1031 1032 /** 1033 * Event handler for "touchend" 1034 * 1035 * @param e (event) 1036 * - DOM event object 1037 */ 1038 var onTouchEnd = function(e){ 1039 slider.viewport.unbind('touchmove', onTouchMove); 1040 var orig = e.originalEvent; 1041 var value = 0; 1042 // record end x, y positions 1043 slider.touch.end.x = orig.changedTouches[0].pageX; 1044 slider.touch.end.y = orig.changedTouches[0].pageY; 1045 // if fade mode, check if absolute x distance clears the threshold 1046 if(slider.settings.mode == 'fade'){ 1047 var distance = Math.abs(slider.touch.start.x - slider.touch.end.x); 1048 if(distance >= slider.settings.swipeThreshold){ 1049 slider.touch.start.x > slider.touch.end.x ? el.goToNextSlide() : el.goToPrevSlide(); 1050 el.stopAuto(); 1051 } 1052 // not fade mode 1053 }else{ 1054 var distance = 0; 1055 // calculate distance and el's animate property 1056 if(slider.settings.mode == 'horizontal'){ 1057 distance = slider.touch.end.x - slider.touch.start.x; 1058 value = slider.touch.originalPos.left; 1059 }else{ 1060 distance = slider.touch.end.y - slider.touch.start.y; 1061 value = slider.touch.originalPos.top; 1062 } 1063 // if not infinite loop and first / last slide, do not attempt a slide transition 1064 if(!slider.settings.infiniteLoop && ((slider.active.index == 0 && distance > 0) || (slider.active.last && distance < 0))){ 1065 setPositionProperty(value, 'reset', 200);
1066 }else{ 1067 // check if distance clears threshold 1068 if(Math.abs(distance) >= slider.settings.swipeThreshold){ 1069 distance < 0 ? el.goToNextSlide() : el.goToPrevSlide(); 1070 el.stopAuto(); 1071 }else{ 1072 // el.animate(property, 200); 1073 setPositionProperty(value, 'reset', 200); 1074 } 1075 } 1076 } 1077 slider.viewport.unbind('touchend', onTouchEnd); 1078 } 1079 1080 /** 1081 * Window resize event callback 1082 */ 1083 var resizeWindow = function(e){ 1084 // don't do anything if slider isn't initialized. 1085 if(!slider.initialized) return; 1086 // get the new window dimens (again, thank you IE) 1087 var windowWidthNew = $(window).width(); 1088 var windowHeightNew = $(window).height(); 1089 // make sure that it is a true window resize 1090 // *we must check this because our dinosaur friend IE fires a window resize event when certain DOM elements 1091 // are resized. Can you just die already?* 1092 if(windowWidth != windowWidthNew || windowHeight != windowHeightNew){ 1093 // set the new window dimens 1094 windowWidth = windowWidthNew; 1095 windowHeight = windowHeightNew; 1096 // update all dynamic elements 1097 el.redrawSlider(); 1098 // Call user resize handler 1099 slider.settings.onSliderResize.call(el, slider.active.index); 1100 } 1101 } 1102 1103 /** 1104 * =================================================================================== 1105 * = PUBLIC FUNCTIONS 1106 * =================================================================================== 1107 */ 1108 1109 /** 1110 * Performs slide transition to the specified slide 1111 * 1112 * @param slideIndex (int) 1113 * - the destination slide's index (zero-based) 1114 * 1115 * @param direction (string) 1116 * - INTERNAL USE ONLY - the direction of travel ("prev" / "next") 1117 */ 1118 el.goToSlide = function(slideIndex, direction){ 1119 // if plugin is currently in motion, ignore request 1120 if(slider.working || slider.active.index == slideIndex) return; 1121 // declare that plugin is in motion 1122 slider.working = true; 1123 // store the old index 1124 slider.oldIndex = slider.active.index; 1125 // if slideIndex is less than zero, set active index to last child (this happens during infinite loop) 1126 if(slideIndex < 0){ 1127 slider.active.index = getPagerQty() - 1; 1128 // if slideIndex is greater than children length, set active index to 0 (this happens during infinite loop) 1129 }else if(slideIndex >= getPagerQty()){ 1130 slider.active.index = 0; 1131 // set active index to requested slide 1132 }else{ 1133 slider.active.index = slideIndex; 1134 } 1135 // onSlideBefore, onSlideNext, onSlidePrev callbacks 1136 slider.settings.onSlideBefore(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1137 if(direction == 'next'){ 1138 slider.settings.onSlideNext(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1139 }else if(direction == 'prev'){ 1140 slider.settings.onSlidePrev(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1141 } 1142 // check if last slide 1143 slider.active.last = slider.active.index >= getPagerQty() - 1; 1144 // update the pager with active class 1145 if(slider.settings.pager) updatePagerActive(slider.active.index); 1146 // // check for direction control update 1147 if(slider.settings.controls) updateDirectionControls(); 1148 // if slider is set to mode: "fade" 1149 if(slider.settings.mode == 'fade'){ 1150 // if adaptiveHeight is true and next height is different from current height, animate to the new height 1151 if(slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHeight()){ 1152 slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed); 1153 } 1154 // fade out the visible child and reset its z-index value 1155 slider.children.filter(':visible').fadeOut(slider.settings.speed).css({zIndex: 0}); 1156 // fade in the newly requested slide 1157 slider.children.eq(slider.active.index).css('zIndex', slider.settings.slideZIndex+1).fadeIn(slider.settings.speed, function(){ 1158 $(this).css('zIndex', slider.settings.slideZIndex); 1159 updateAfterSlideTransition(); 1160 }); 1161 // slider mode is not "fade" 1162 }else{ 1163 // if adaptiveHeight is true and next height is different from current height, animate to the new height 1164 if(slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHe
1164ight()){ 1165 slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed); 1166 } 1167 var moveBy = 0; 1168 var position = {left: 0, top: 0}; 1169 // if carousel and not infinite loop 1170 if(!slider.settings.infiniteLoop && slider.carousel && slider.active.last){ 1171 if(slider.settings.mode == 'horizontal'){ 1172 // get the last child position 1173 var lastChild = slider.children.eq(slider.children.length - 1); 1174 position = lastChild.position(); 1175 // calculate the position of the last slide 1176 moveBy = slider.viewport.width() - lastChild.outerWidth(); 1177 }else{ 1178 // get last showing index position 1179 var lastShowingIndex = slider.children.length - slider.settings.minSlides; 1180 position = slider.children.eq(lastShowingIndex).position(); 1181 } 1182 // horizontal carousel, going previous while on first slide (infiniteLoop mode) 1183 }else if(slider.carousel && slider.active.last && direction == 'prev'){ 1184 // get the last child position 1185 var eq = slider.settings.moveSlides == 1 ? slider.settings.maxSlides - getMoveBy() : ((getPagerQty() - 1) * getMoveBy()) - (slider.children.length - slider.settings.maxSlides); 1186 var lastChild = el.children('.bx-clone').eq(eq); 1187 position = lastChild.position(); 1188 // if infinite loop and "Next" is clicked on the last slide 1189 }else if(direction == 'next' && slider.active.index == 0){ 1190 // get the last clone position 1191 position = el.find('> .bx-clone').eq(slider.settings.maxSlides).position(); 1192 slider.active.last = false; 1193 // normal non-zero requests 1194 }else if(slideIndex >= 0){ 1195 var requestEl = slideIndex * getMoveBy(); 1196 position = slider.children.eq(requestEl).position(); 1197 } 1198 1199 /* If the position doesn't exist 1200 * (e.g. if you destroy the slider on a next click), 1201 * it doesn't throw an error. 1202 */ 1203 if ("undefined" !== typeof(position)) { 1204 var value = slider.settings.mode == 'horizontal' ? -(position.left - moveBy) : -position.top; 1205 // plugin values to be animated 1206 setPositionProperty(value, 'slide', slider.settings.speed); 1207 } 1208 } 1209 } 1210 1211 /** 1212 * Transitions to the next slide in the show 1213 */ 1214 el.goToNextSlide = function(){ 1215 // if infiniteLoop is false and last page is showing, disregard call 1216 if (!slider.settings.infiniteLoop && slider.active.last) return; 1217 var pagerIndex = parseInt(slider.active.index) + 1; 1218 el.goToSlide(pagerIndex, 'next'); 1219 } 1220 1221 /** 1222 * Transitions to the prev slide in the show 1223 */ 1224 el.goToPrevSlide = function(){ 1225 // if infiniteLoop is false and last page is showing, disregard call 1226 if (!slider.settings.infiniteLoop && slider.active.index == 0) return; 1227 var pagerIndex = parseInt(slider.active.index) - 1; 1228 el.goToSlide(pagerIndex, 'prev'); 1229 } 1230 1231 /** 1232 * Starts the auto show 1233 * 1234 * @param preventControlUpdate (boolean) 1235 * - if true, auto controls state will not be updated 1236 */ 1237 el.startAuto = function(preventControlUpdate){ 1238 // if an interval already exists, disregard call 1239 if(slider.interval) return; 1240 // create an interval 1241 slider.interval = setInterval(function(){ 1242 slider.settings.autoDirection == 'next' ? el.goToNextSlide() : el.goToPrevSlide(); 1243 }, slider.settings.pause); 1244 // if auto controls are displayed and preventControlUpdate is not true 1245 if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('stop'); 1246 } 1247 1248 /** 1249 * Stops the auto show 1250 * 1251 * @param preventControlUpdate (boolean) 1252 * - if true, auto controls state will not be updated 1253 */ 1254 el.stopAuto = function(preventControlUpdate){ 1255 // if no interval exists, disregard call 1256 if(!slider.interval) return; 1257 // clear the interval 1258 clearInterval(slider.interval); 1259 slider.interval = null; 1260 // if auto controls are displayed and preventControlUpdate is not true 1261 if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('start'); 1262 } 1263 1264 /** 1265 * Returns current slide index (zero-based) 1266 */ 1267 el.getCurrentSlide = function(){ 1268 return slider.active.index; 1269 } 1270 1271 /** 1272 * Returns current slide element 1273 */ 1274 el.getCurrentSlideElement = function(){ 1275 return slider.children.eq(slider.active.index); 1276 } 1277 1278 /** 1279 * Returns number of slides in show 1280 */ 1281 el.getSlideCount = function(){ 1282 return slider.children.length; 1283 } 1284 1285 /** 1286 * Update all dynamic slider elements 1287 */ 1288 el.redrawSlider = function(){ 1289 // resize all children in ratio to new screen size 1290 slider.children.add(el.find('.bx-clone')).width(getSlideWidth()); 1291 // adjust the height
1292 slider.viewport.css('height', getViewportHeight()); 1293 // update the slide position 1294 if(!slider.settings.ticker) setSlidePosition(); 1295 // if active.last was true before the screen resize, we want 1296 // to keep it last no matter what screen size we end on 1297 if (slider.active.last) slider.active.index = getPagerQty() - 1; 1298 // if the active index (page) no longer exists due to the resize, simply set the index as last 1299 if (slider.active.index >= getPagerQty()) slider.active.last = true; 1300 // if a pager is being displayed and a custom pager is not being used, update it 1301 if(slider.settings.pager && !slider.settings.pagerCustom){ 1302 populatePager(); 1303 updatePagerActive(slider.active.index); 1304 } 1305 } 1306 1307 /** 1308 * Destroy the current instance of the slider (revert everything back to original state) 1309 */ 1310 el.destroySlider = function(){ 1311 // don't do anything if slider has already been destroyed 1312 if(!slider.initialized) return; 1313 slider.initialized = false; 1314 $('.bx-clone', this).remove(); 1315 slider.children.each(function() { 1316 $(this).data("origStyle") != undefined ? $(this).attr("style", $(this).data("origStyle")) : $(this).removeAttr('style'); 1317 }); 1318 $(this).data("origStyle") != undefined ? this.attr("style", $(this).data("origStyle")) : $(this).removeAttr('style'); 1319 $(this).unwrap().unwrap(); 1320 if(slider.controls.el) slider.controls.el.remove(); 1321 if(slider.controls.next) slider.controls.next.remove(); 1322 if(slider.controls.prev) slider.controls.prev.remove(); 1323 if(slider.pagerEl && slider.settings.controls) slider.pagerEl.remove(); 1324 $('.bx-caption', this).remove(); 1325 if(slider.controls.autoEl) slider.controls.autoEl.remove(); 1326 clearInterval(slider.interval); 1327 if(slider.settings.responsive) $(window).unbind('resize', resizeWindow); 1328 } 1329 1330 /** 1331 * Reload the slider (revert all DOM changes, and re-initialize) 1332 */ 1333 el.reloadSlider = function(settings){ 1334 if (settings != undefined) options = settings; 1335 el.destroySlider(); 1336 init(); 1337 } 1338 1339 init(); 1340 1341 // returns the current jQuery object 1342 return this; 1343 } 1344 1345})(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.