1/** 2 * BxSlider v4.1.2 - Fully loaded, responsive content slider 3 * http://bxslider.com 4 * 5 * Copyright 2014, Steven Wanderski - http://stevenwanderski.com - http://bxcreative.com 6 * Written while drinking Belgian ales and listening to jazz 7 * 8 * Released under the MIT license - http://opensource.org/licenses/MIT 9 */ 10 11;(function($){ 12 13 var plugin = {}; 14 15 var defaults = { 16 17 // GENERAL 18 mode: 'horizontal', 19 slideSelector: '', 20 infiniteLoop: true, 21 hideControlOnEnd: false, 22 speed: 500, 23 easing: null, 24 slideMargin: 0, 25 startSlide: 0, 26 randomStart: false, 27 captions: false, 28 ticker: false, 29 tickerHover: false, 30 adaptiveHeight: false, 31 adaptiveHeightSpeed: 500, 32 video: false, 33 useCSS: true, 34 preloadImages: 'visible', 35 responsive: true, 36 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: '次ã¸', 57 prevText: 'åã¸', 58 nextSelector: null, 59 prevSelector: null, 60 autoControls: false, 61 startText: 'åç', 62 stopText: 'åæ¢', 63 autoControlsCombine: false, 64 autoControlsSelector: null, 65 66 // AUTO 67 auto: false, 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) $(this).load(); 283 }); 284 }); 285 } 286 287 /** 288 * Start the slider 289 */ 290 var start = function(){ 291 // if infinite loop, prepare additional slides 292 if(slider.settings.infiniteLoop && slider.settings.mode != 'fade' && !slider.settings.ticker){ 293 var slice = slider.settings.mode == 'vertical' ? slider.settings.minSlides : slider.settings.maxSlides; 294 295 296 297 // æ°¸äºè¿½è¨ï¼2015/01/07ï¼ 298 // (function() { 299 // var allNum = slider.children.size(); 300 // var oneSize = slider.children.outerWidth(true); 301 // var oneHeight = slider.children.height(); 302 // var allSize = oneSize * allNum; 303 // var addPosJ = slider.children.eq(0); 304 // var addOneJ = function(j_,pos_,idx_) { 305 // j_.css({ 306 // 'position':'absolute' 307 // ,'left':pos_ + 'px' 308 // ,'top' :'0px' 309 // ,'z-index':idx_ 310 // }); 311 // addPosJ.after(j_); 312 // }; 313 314 // slider.children.each(function(idx_) { 315 // // å½±é¿ã®ãªãabsoluteç»åãå¾ãã«è¿½å 316 // addOneJ($(this).clone(), (allNum + slice) * oneSize + idx_ * oneSize,idx_);// +sliceã§å·¦ã«è¿½å ãããcloneåã足ã 317 // // å½±é¿ã®ãªãabsoluteç»åãåã«è¿½å 318 // addOneJ($(this).clone(), -slice * oneSize + idx_ * oneSize,idx_);// sliceã§å·¦ã«ãããã¦è¶³ã 319 // }); 320 // })(); 321 322 323 324 325 326 var sliceAppend = slider.children.slice(0, slice).clone().addClass('bx-clone'); 327 var slicePrepend = slider.children.slice(-slice).clone().addClass('bx-clone'); 328 el.append(sliceAppend).prepend(slicePrepend); 329 } 330 // remove the loading DOM element 331 slider.loader.remove(); 332 // set the left / top position of "el" 333 setSlidePosition(); 334 // if "vertical" mode, always use adaptiveHeight to prevent odd behavior 335 if (slider.settings.mode == 'vertical') slider.settings.adaptiveHeight = true; 336 // set the viewport height 337 slider.viewport.height(getViewportHeight()); 338 // make sure everything is positioned just right (same as a window resize) 339 el.redrawSlider(); 340 // onSliderLoad callback 341 slider.settings.onSliderLoad(slider.active.index); 342 // slider has been fully initialized 343 slider.initialized = true;
344 // bind the resize call to the window 345 if (slider.settings.responsive) $(window).bind('resize', resizeWindow); 346 // if auto is true and has more than 1 page, start the show 347 if (slider.settings.auto && slider.settings.autoStart && (getPagerQty() > 1 || slider.settings.autoSlideForOnePage)) initAuto(); 348 // if ticker is true, start the ticker 349 if (slider.settings.ticker) initTicker(); 350 // if pager is requested, make the appropriate pager link active 351 if (slider.settings.pager) updatePagerActive(slider.settings.startSlide); 352 // check for any updates to the controls (like hideControlOnEnd updates) 353 if (slider.settings.controls) updateDirectionControls(); 354 // if touchEnabled is true, setup the touch events 355 if (slider.settings.touchEnabled && !slider.settings.ticker) initTouch(); 356 } 357 358 /** 359 * Returns the calculated height of the viewport, used to determine either adaptiveHeight or the maxHeight value 360 */ 361 var getViewportHeight = function(){ 362 var height = 0; 363 // first determine which children (slides) should be used in our height calculation 364 var children = $(); 365 // if mode is not "vertical" and adaptiveHeight is false, include all children 366 if(slider.settings.mode != 'vertical' && !slider.settings.adaptiveHeight){ 367 children = slider.children; 368 }else{ 369 // if not carousel, return the single active child 370 if(!slider.carousel){ 371 children = slider.children.eq(slider.active.index); 372 // if carousel, return a slice of children 373 }else{ 374 // get the individual slide index 375 var currentIndex = slider.settings.moveSlides == 1 ? slider.active.index : slider.active.index * getMoveBy(); 376 // add the current slide to the children 377 children = slider.children.eq(currentIndex); 378 // cycle through the remaining "showing" slides 379 for (i = 1; i <= slider.settings.maxSlides - 1; i++){ 380 // if looped back to the start 381 if(currentIndex + i >= slider.children.length){ 382 children = children.add(slider.children.eq(i - 1)); 383 }else{ 384 children = children.add(slider.children.eq(currentIndex + i)); 385 } 386 } 387 } 388 } 389 // if "vertical" mode, calculate the sum of the heights of the children 390 if(slider.settings.mode == 'vertical'){ 391 children.each(function(index) { 392 height += $(this).outerHeight(); 393 }); 394 // add user-supplied margins 395 if(slider.settings.slideMargin > 0){ 396 height += slider.settings.slideMargin * (slider.settings.minSlides - 1); 397 } 398 // if not "vertical" mode, calculate the max height of the children 399 }else{ 400 height = Math.max.apply(Math, children.map(function(){ 401 return $(this).outerHeight(false); 402 }).get()); 403 } 404 405 if(slider.viewport.css('box-sizing') == 'border-box'){ 406 height += parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom')) + 407 parseFloat(slider.viewport.css('border-top-width')) + parseFloat(slider.viewport.css('border-bottom-width')); 408 }else if(slider.viewport.css('box-sizing') == 'padding-box'){ 409 height += parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom')); 410 } 411 412 return height; 413 } 414 415 /** 416 * Returns the calculated width to be used for the outer wrapper / viewport 417 */ 418 var getViewportMaxWidth = function(){ 419 var width = '100%'; 420 if(slider.settings.slideWidth > 0){ 421 if(slider.settings.mode == 'horizontal'){ 422 width = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin); 423 }else{ 424 width = slider.settings.slideWidth; 425 } 426 } 427 return width; 428 } 429 430 /** 431 * Returns the calculated width to be applied to each slide 432 */ 433 var getSlideWidth = function(){ 434 // start with any user-supplied slide width 435 var newElWidth = slider.settings.slideWidth; 436 // get the current viewport width 437 var wrapWidth = slider.viewport.width(); 438 // if slide width was not supplied, or is larger than the viewport use the viewport width 439 if(slider.settings.slideWidth == 0 || 440 (slider.settings.slideWidth > wrapWidth && !slider.carousel) || 441 slider.settings.mode == 'vertical'){ 442 newElWidth = wrapWidth; 443 // if carousel, use the thresholds to determine the width 444 }else if(slider.settings.maxSlides > 1 && slider.settings.mode == 'horizontal'){
445 if(wrapWidth > slider.maxThreshold){ 446 // newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.maxSlides - 1))) / slider.settings.maxSlides; 447 }else if(wrapWidth < slider.minThreshold){ 448 newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.minSlides - 1))) / slider.settings.minSlides; 449 } 450 } 451 return newElWidth; 452 } 453 454 /** 455 * Returns the number of slides currently visible in the viewport (includes partially visible slides) 456 */ 457 var getNumberSlidesShowing = function(){ 458 var slidesShowing = 1; 459 if(slider.settings.mode == 'horizontal' && slider.settings.slideWidth > 0){ 460 // if viewport is smaller than minThreshold, return minSlides 461 if(slider.viewport.width() < slider.minThreshold){ 462 slidesShowing = slider.settings.minSlides; 463 // if viewport is larger than minThreshold, return maxSlides 464 }else if(slider.viewport.width() > slider.maxThreshold){ 465 slidesShowing = slider.settings.maxSlides; 466 // if viewport is between min / max thresholds, divide viewport width by first child width 467 }else{ 468 var childWidth = slider.children.first().width() + slider.settings.slideMargin; 469 slidesShowing = Math.floor((slider.viewport.width() + 470 slider.settings.slideMargin) / childWidth); 471 } 472 // if "vertical" mode, slides showing will always be minSlides 473 }else if(slider.settings.mode == 'vertical'){ 474 slidesShowing = slider.settings.minSlides; 475 } 476 return slidesShowing; 477 } 478 479 /** 480 * Returns the number of pages (one full viewport of slides is one "page") 481 */ 482 var getPagerQty = function(){ 483 var pagerQty = 0; 484 // if moveSlides is specified by the user 485 if(slider.settings.moveSlides > 0){ 486 if(slider.settings.infiniteLoop){ 487 pagerQty = Math.ceil(slider.children.length / getMoveBy()); 488 }else{ 489 // use a while loop to determine pages 490 var breakPoint = 0; 491 var counter = 0 492 // when breakpoint goes above children length, counter is the number of pages 493 while (breakPoint < slider.children.length){ 494 ++pagerQty; 495 breakPoint = counter + getNumberSlidesShowing(); 496 counter += slider.settings.moveSlides <= getNumberSlidesShowing() ? slider.settings.moveSlides : getNumberSlidesShowing(); 497 } 498 } 499 // if moveSlides is 0 (auto) divide children length by sides showing, then round up 500 }else{ 501 pagerQty = Math.ceil(slider.children.length / getNumberSlidesShowing()); 502 } 503 return pagerQty; 504 } 505 506 /** 507 * Returns the number of indivual slides by which to shift the slider 508 */ 509 var getMoveBy = function(){ 510 // if moveSlides was set by the user and moveSlides is less than number of slides showing 511 if(slider.settings.moveSlides > 0 && slider.settings.moveSlides <= getNumberSlidesShowing()){ 512 return slider.settings.moveSlides; 513 } 514 // if moveSlides is 0 (auto) 515 return getNumberSlidesShowing(); 516 } 517 518 /** 519 * Sets the slider's (el) left or top position 520 */ 521 var setSlidePosition = function(){ 522 // if last slide, not infinite loop, and number of children is larger than specified maxSlides 523 if(slider.children.length > slider.settings.maxSlides && slider.active.last && !slider.settings.infiniteLoop){ 524 if (slider.settings.mode == 'horizontal'){ 525 // get the last child's position 526 var lastChild = slider.children.last(); 527 var position = lastChild.position(); 528 // set the left position 529 setPositionProperty(-(position.left - (slider.viewport.width() - lastChild.outerWidth())), 'reset', 0); 530 }else if(slider.settings.mode == 'vertical'){ 531 // get the last showing index's position 532 var lastShowingIndex = slider.children.length - slider.settings.minSlides; 533 var position = slider.children.eq(lastShowingIndex).position(); 534 // set the top position 535 setPositionProperty(-position.top, 'reset', 0); 536 } 537 // if not last slide 538 }else{ 539 // get the position of the first showing slide 540 var position = slider.children.eq(slider.active.index * getMoveBy()).position(); 541 // check for last slide 542 if (slider.active.index == getPagerQty() - 1) slider.active.last = true; 543 // set the repective position 544 if (position != undefined){ 545 if (slider.settings.mode == 'horizontal') setPositionProperty(-position.left, 'reset', 0); 546 else if (slider.settings.mode == 'vertical') setPositionProperty(-position.top, 'reset', 0); 547 } 548 } 549 } 550 551 /** 552 * Sets the el's animating property position (which in turn will sometimes animate el). 553 * If using CSS, sets the transform property. If not using CSS, sets the top / left property. 554 * 555 * @param value (int) 556 * - the animating property's value 557 * 558 * @param type (string) 'slider', 'reset', 'ticker' 559 * - the type of instance for which the function is being 560 * 561 * @param duration (int) 562 * - the amount of time (in ms) the transition should occupy 563 * 564 * @param params (array) optional 565 * - an optional parameter containing any variables that need to be passed in 566 */ 567 var setPositionProperty = function(value, type, duration, params){ 568 // use CSS transform 569 if(slider.usingCSS){ 570 // determine the translate3d value 571 var propValue = slider.settings.mode == 'vertical' ? 'translate3d(0, ' + value + 'px, 0)' : 'translate3d(' + value + 'px, 0, 0)'; 572 // add the CSS transition-duration 573 el.css('-' + slider.cssPrefix + '-transition-duration', duration / 1000 + 's'); 574 if(type == 'slide'){ 575 // set the property value 576 el.css(slider.animProp, propValue); 577 // bind a callback method - executes when CSS transition completes 578 el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){ 579 // unbind the callback 580 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd'); 581 updateAfterSlideTransition(); 582 });
583 }else if(type == 'reset'){ 584 el.css(slider.animProp, propValue); 585 }else if(type == 'ticker'){ 586 // make the transition use 'linear' 587 el.css('-' + slider.cssPrefix + '-transition-timing-function', 'linear'); 588 el.css(slider.animProp, propValue); 589 // bind a callback method - executes when CSS transition completes 590 el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){ 591 // unbind the callback 592 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd'); 593 // reset the position 594 setPositionProperty(params['resetValue'], 'reset', 0); 595 // start the loop again 596 tickerLoop(); 597 }); 598 } 599 // use JS animate 600 }else{ 601 var animateObj = {}; 602 animateObj[slider.animProp] = value; 603 if(type == 'slide'){ 604 el.animate(animateObj, duration, slider.settings.easing, function(){ 605 updateAfterSlideTransition(); 606 }); 607 }else if(type == 'reset'){ 608 el.css(slider.animProp, value) 609 }else if(type == 'ticker'){ 610 el.animate(animateObj, speed, 'linear', function(){ 611 setPositionProperty(params['resetValue'], 'reset', 0); 612 // run the recursive loop after animation 613 tickerLoop(); 614 }); 615 } 616 } 617 } 618 619 /** 620 * Populates the pager with proper amount of pages 621 */ 622 var populatePager = function(){ 623 var pagerHtml = ''; 624 var pagerQty = getPagerQty(); 625 // loop through each pager item 626 for(var i=0; i < pagerQty; i++){ 627 var linkContent = ''; 628 // if a buildPager function is supplied, use it to get pager link value, else use index + 1 629 if(slider.settings.buildPager && $.isFunction(slider.settings.buildPager)){ 630 linkContent = slider.settings.buildPager(i); 631 slider.pagerEl.addClass('bx-custom-pager'); 632 }else{ 633 linkContent = i + 1; 634 slider.pagerEl.addClass('bx-default-pager'); 635 } 636 // var linkContent = slider.settings.buildPager && $.isFunction(slider.settings.buildPager) ? slider.settings.buildPager(i) : i + 1; 637 // add the markup to the string 638 pagerHtml += '<div class="bx-pager-item"><a href="" data-slide-index="' + i + '" class="bx-pager-link">' + linkContent + '</a></div>'; 639 }; 640 // populate the pager element with pager links 641 slider.pagerEl.html(pagerHtml); 642 } 643 644 /** 645 * Appends the pager to the controls element 646 */ 647 var appendPager = function(){ 648 if(!slider.settings.pagerCustom){ 649 // create the pager DOM element 650 slider.pagerEl = $('<div class="bx-pager" />'); 651 // if a pager selector was supplied, populate it with the pager 652 if(slider.settings.pagerSelector){ 653 $(slider.settings.pagerSelector).html(slider.pagerEl); 654 // if no pager selector was supplied, add it after the wrapper 655 }else{ 656 slider.controls.el.addClass('bx-has-pager').append(slider.pagerEl); 657 } 658 // populate the pager 659 populatePager(); 660 }else{ 661 slider.pagerEl = $(slider.settings.pagerCustom); 662 } 663 // assign the pager click binding 664 slider.pagerEl.on('click', 'a', clickPagerBind); 665 } 666 667 /** 668 * Appends prev / next controls to the controls element 669 */ 670 var appendControls = function(){ 671 slider.controls.next = $('<a class="bx-next" href="">' + slider.settings.nextText + '</a>'); 672 slider.controls.prev = $('<a class="bx-prev" href="">' + slider.settings.prevText + '</a>'); 673 // bind click actions to the controls 674 slider.controls.next.bind('click', clickNextBind); 675 slider.controls.prev.bind('click', clickPrevBind); 676 // if nextSlector was supplied, populate it 677 if(slider.settings.nextSelector){ 678 $(slider.settings.nextSelector).append(slider.controls.next); 679 } 680 // if prevSlector was supplied, populate it 681 if(slider.settings.prevSelector){ 682 $(slider.settings.prevSelector).append(slider.controls.prev); 683 } 684 // if no custom selectors were supplied 685 if(!slider.settings.nextSelector && !slider.settings.prevSelector){ 686 // add the controls to the DOM 687 slider.controls.directionEl = $('<div class="bx-controls-direction" />'); 688 // add the control elements to the directionEl 689 slider.controls.directionEl.append(slider.controls.prev).append(slider.controls.next); 690 // slider.viewport.append(slider.controls.directionEl); 691 slider.controls.el.addClass('bx-has-controls-direction').append(slider.controls.directionEl); 692 } 693 } 694 695 /** 696 * Appends start / stop auto controls to the controls element 697 */
698 var appendControlsAuto = function(){ 699 slider.controls.start = $('<div class="bx-controls-auto-item"><a class="bx-start" href="">' + slider.settings.startText + '</a></div>'); 700 slider.controls.stop = $('<div class="bx-controls-auto-item"><a class="bx-stop" href="">' + slider.settings.stopText + '</a></div>'); 701 // add the controls to the DOM 702 slider.controls.autoEl = $('<div class="bx-controls-auto" />'); 703 // bind click actions to the controls 704 slider.controls.autoEl.on('click', '.bx-start', clickStartBind); 705 slider.controls.autoEl.on('click', '.bx-stop', clickStopBind); 706 // if autoControlsCombine, insert only the "start" control 707 if(slider.settings.autoControlsCombine){ 708 slider.controls.autoEl.append(slider.controls.start); 709 // if autoControlsCombine is false, insert both controls 710 }else{ 711 slider.controls.autoEl.append(slider.controls.start).append(slider.controls.stop); 712 } 713 // if auto controls selector was supplied, populate it with the controls 714 if(slider.settings.autoControlsSelector){ 715 $(slider.settings.autoControlsSelector).html(slider.controls.autoEl); 716 // if auto controls selector was not supplied, add it after the wrapper 717 }else{ 718 slider.controls.el.addClass('bx-has-controls-auto').append(slider.controls.autoEl); 719 } 720 // update the auto controls
721 updateAutoControls(slider.settings.autoStart ? 'stop' : 'start'); 722 } 723 724 /** 725 * Appends image captions to the DOM 726 */ 727 var appendCaptions = function(){ 728 // cycle through each child 729 slider.children.each(function(index){ 730 // get the image title attribute 731 var title = $(this).find('img:first').attr('title'); 732 // append the caption 733 if (title != undefined && ('' + title).length) { 734 $(this).append('<div class="bx-caption"><span>' + title + '</span></div>'); 735 } 736 }); 737 } 738 739 /** 740 * Click next binding 741 * 742 * @param e (event) 743 * - DOM event object 744 */ 745 var clickNextBind = function(e){ 746 // if auto show is running, stop it 747 if (slider.settings.auto) el.stopAuto(); 748 el.goToNextSlide(); 749 e.preventDefault(); 750 } 751 752 /** 753 * Click prev binding 754 * 755 * @param e (event) 756 * - DOM event object 757 */ 758 var clickPrevBind = function(e){ 759 // if auto show is running, stop it 760 if (slider.settings.auto) el.stopAuto(); 761 el.goToPrevSlide(); 762 e.preventDefault(); 763 } 764 765 /** 766 * Click start binding 767 * 768 * @param e (event) 769 * - DOM event object 770 */ 771 var clickStartBind = function(e){ 772 el.startAuto(); 773 e.preventDefault(); 774 } 775 776 /** 777 * Click stop binding 778 * 779 * @param e (event) 780 * - DOM event object 781 */ 782 var clickStopBind = function(e){ 783 el.stopAuto(); 784 e.preventDefault(); 785 } 786 787 /** 788 * Click pager binding 789 * 790 * @param e (event) 791 * - DOM event object 792 */ 793 var clickPagerBind = function(e){ 794 // if auto show is running, stop it 795 if (slider.settings.auto) el.stopAuto(); 796 var pagerLink = $(e.currentTarget); 797 if(pagerLink.attr('data-slide-index') !== undefined){ 798 var pagerIndex = parseInt(pagerLink.attr('data-slide-index')); 799 // if clicked pager link is not active, continue with the goToSlide call 800 if(pagerIndex != slider.active.index) el.goToSlide(pagerIndex); 801 e.preventDefault(); 802 } 803 } 804 805 /** 806 * Updates the pager links with an active class 807 * 808 * @param slideIndex (int) 809 * - index of slide to make active 810 */ 811 var updatePagerActive = function(slideIndex){ 812 // if "short" pager type 813 var len = slider.children.length; // nb of children 814 if(slider.settings.pagerType == 'short'){ 815 if(slider.settings.maxSlides > 1) { 816 len = Math.ceil(slider.children.length/slider.settings.maxSlides); 817 } 818 slider.pagerEl.html( (slideIndex + 1) + slider.settings.pagerShortSeparator + len); 819 return; 820 } 821 // remove all pager active classes 822 slider.pagerEl.find('a').removeClass('active'); 823 // apply the active class for all pagers 824 slider.pagerEl.each(function(i, el) { $(el).find('a').eq(slideIndex).addClass('active'); }); 825 } 826 827 /** 828 * Performs needed actions after a slide transition 829 */ 830 var updateAfterSlideTransition = function(){ 831 // if infinte loop is true 832 if(slider.settings.infiniteLoop){ 833 var position = ''; 834 // first slide 835 if(slider.active.index == 0){ 836 // set the new position 837 position = slider.children.eq(0).position(); 838 // carousel, last slide 839 }else if(slider.active.index == getPagerQty() - 1 && slider.carousel){ 840 position = slider.children.eq((getPagerQty() - 1) * getMoveBy()).position(); 841 // last slide 842 }else if(slider.active.index == slider.children.length - 1){ 843 position = slider.children.eq(slider.children.length - 1).position(); 844 } 845 if(position){ 846 if (slider.settings.mode == 'horizontal') { setPositionProperty(-position.left, 'reset', 0); } 847 else if (slider.settings.mode == 'vertical') { setPositionProperty(-position.top, 'reset', 0); } 848 } 849 } 850 // declare that the transition is complete 851 slider.working = false; 852 // onSlideAfter callback 853 slider.settings.onSlideAfter(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 854 } 855 856 /** 857 * Updates the auto controls state (either active, or combined switch) 858 * 859 * @param state (string) "start", "stop" 860 * - the new state of the auto show 861 */ 862 var updateAutoControls = function(state){ 863 // if autoControlsCombine is true, replace the current control with the new state 864 if(slider.settings.autoControlsCombine){
865 slider.controls.autoEl.html(slider.controls[state]); 866 // if autoControlsCombine is false, apply the "active" class to the appropriate control 867 }else{ 868 slider.controls.autoEl.find('a').removeClass('active'); 869 slider.controls.autoEl.find('a:not(.bx-' + state + ')').addClass('active'); 870 } 871 } 872 873 /** 874 * Updates the direction controls (checks if either should be hidden) 875 */ 876 var updateDirectionControls = function(){ 877 if(getPagerQty() == 1){ 878 slider.controls.prev.addClass('disabled'); 879 slider.controls.next.addClass('disabled'); 880 }else if(!slider.settings.infiniteLoop && slider.settings.hideControlOnEnd){ 881 // if first slide 882 if (slider.active.index == 0){ 883 slider.controls.prev.addClass('disabled'); 884 slider.controls.next.removeClass('disabled'); 885 // if last slide 886 }else if(slider.active.index == getPagerQty() - 1){ 887 slider.controls.next.addClass('disabled'); 888 slider.controls.prev.removeClass('disabled'); 889 // if any slide in the middle 890 }else{ 891 slider.controls.prev.removeClass('disabled'); 892 slider.controls.next.removeClass('disabled'); 893 } 894 } 895 } 896 897 /** 898 * Initialzes the auto process 899 */ 900 var initAuto = function(){ 901 // if autoDelay was supplied, launch the auto show using a setTimeout() call 902 if(slider.settings.autoDelay > 0){ 903 var timeout = setTimeout(el.startAuto, slider.settings.autoDelay); 904 // if autoDelay was not supplied, start the auto show normally 905 }else{ 906 el.startAuto(); 907 } 908 // if autoHover is requested 909 if(slider.settings.autoHover){ 910 // on el hover 911 el.hover(function(){ 912 // if the auto show is currently playing (has an active interval) 913 if(slider.interval){ 914 // stop the auto show and pass true agument which will prevent control update 915 el.stopAuto(true); 916 // create a new autoPaused value which will be used by the relative "mouseout" event 917 slider.autoPaused = true; 918 } 919 }, function(){ 920 // if the autoPaused value was created be the prior "mouseover" event 921 if(slider.autoPaused){ 922 // start the auto show and pass true agument which will prevent control update 923 el.startAuto(true); 924 // reset the autoPaused value 925 slider.autoPaused = null; 926 } 927 }); 928 } 929 } 930 931 /** 932 * Initialzes the ticker process 933 */ 934 var initTicker = function(){ 935 var startPosition = 0; 936 // if autoDirection is "next", append a clone of the entire slider 937 if(slider.settings.autoDirection == 'next'){ 938 el.append(slider.children.clone().addClass('bx-clone')); 939 // if autoDirection is "prev", prepend a clone of the entire slider, and set the left position 940 }else{ 941 el.prepend(slider.children.clone().addClass('bx-clone')); 942 var position = slider.children.first().position(); 943 startPosition = slider.settings.mode == 'horizontal' ? -position.left : -position.top; 944 } 945 setPositionProperty(startPosition, 'reset', 0); 946 // do not allow controls in ticker mode 947 slider.settings.pager = false; 948 slider.settings.controls = false; 949 slider.settings.autoControls = false; 950 // if autoHover is requested 951 if(slider.settings.tickerHover && !slider.usingCSS){ 952 // on el hover 953 slider.viewport.hover(function(){ 954 el.stop(); 955 }, function(){ 956 // calculate the total width of children (used to calculate the speed ratio) 957 var totalDimens = 0; 958 slider.children.each(function(index){ 959 totalDimens += slider.settings.mode == 'horizontal' ? $(this).outerWidth(true) : $(this).outerHeight(true); 960 }); 961 // calculate the speed ratio (used to determine the new speed to finish the paused animation) 962 var ratio = slider.settings.speed / totalDimens; 963 // determine which property to use 964 var property = slider.settings.mode == 'horizontal' ? 'left' : 'top'; 965 // calculate the new speed 966 var newSpeed = ratio * (totalDimens - (Math.abs(parseInt(el.css(property))))); 967 tickerLoop(newSpeed); 968 }); 969 } 970 // start the ticker loop 971 tickerLoop(); 972 } 973 974 /** 975 * Runs a continuous loop, news ticker-style 976 */ 977 var tickerLoop = function(resumeSpeed){ 978 speed = resumeSpeed ? resumeSpeed : slider.settings.speed; 979 var position = {left: 0, top: 0};
980 var reset = {left: 0, top: 0}; 981 // if "next" animate left position to last child, then reset left to 0 982 if(slider.settings.autoDirection == 'next'){ 983 position = el.find('.bx-clone').first().position(); 984 // if "prev" animate left position to 0, then reset left to first non-clone child 985 }else{ 986 reset = slider.children.first().position(); 987 } 988 var animateProperty = slider.settings.mode == 'horizontal' ? -position.left : -position.top; 989 var resetValue = slider.settings.mode == 'horizontal' ? -reset.left : -reset.top; 990 var params = {resetValue: resetValue}; 991 setPositionProperty(animateProperty, 'ticker', speed, params); 992 } 993 994 /** 995 * Initializes touch events 996 */ 997 var initTouch = function(){ 998 // initialize object to contain all touch values 999 slider.touch = { 1000 start: {x: 0, y: 0}, 1001 end: {x: 0, y: 0} 1002 } 1003 slider.viewport.bind('touchstart', onTouchStart); 1004 } 1005 1006 /** 1007 * Event handler for "touchstart" 1008 * 1009 * @param e (event) 1010 * - DOM event object 1011 */ 1012 var onTouchStart = function(e){ 1013 if(slider.working){ 1014 e.preventDefault(); 1015 }else{ 1016 // record the original position when touch starts 1017 slider.touch.originalPos = el.position(); 1018 var orig = e.originalEvent; 1019 // record the starting touch x, y coordinates 1020 slider.touch.start.x = orig.changedTouches[0].pageX; 1021 slider.touch.start.y = orig.changedTouches[0].pageY; 1022 // bind a "touchmove" event to the viewport 1023 slider.viewport.bind('touchmove', onTouchMove); 1024 // bind a "touchend" event to the viewport 1025 slider.viewport.bind('touchend', onTouchEnd); 1026 } 1027 } 1028 1029 /** 1030 * Event handler for "touchmove" 1031 * 1032 * @param e (event) 1033 * - DOM event object 1034 */ 1035 var onTouchMove = function(e){ 1036 var orig = e.originalEvent; 1037 // if scrolling on y axis, do not prevent default 1038 var xMovement = Math.abs(orig.changedTouches[0].pageX - slider.touch.start.x); 1039 var yMovement = Math.abs(orig.changedTouches[0].pageY - slider.touch.start.y); 1040 // x axis swipe 1041 if((xMovement * 3) > yMovement && slider.settings.preventDefaultSwipeX){ 1042 e.preventDefault(); 1043 // y axis swipe 1044 }else if((yMovement * 3) > xMovement && slider.settings.preventDefaultSwipeY){ 1045 e.preventDefault(); 1046 } 1047 if(slider.settings.mode != 'fade' && slider.settings.oneToOneTouch){ 1048 var value = 0; 1049 // if horizontal, drag along x axis 1050 if(slider.settings.mode == 'horizontal'){ 1051 var change = orig.changedTouches[0].pageX - slider.touch.start.x; 1052 value = slider.touch.originalPos.left + change; 1053 // if vertical, drag along y axis 1054 }else{ 1055 var change = orig.changedTouches[0].pageY - slider.touch.start.y; 1056 value = slider.touch.originalPos.top + change; 1057 } 1058 setPositionProperty(value, 'reset', 0); 1059 } 1060 } 1061 1062 /** 1063 * Event handler for "touchend" 1064 * 1065 * @param e (event) 1066 * - DOM event object 1067 */ 1068 var onTouchEnd = function(e){ 1069 slider.viewport.unbind('touchmove', onTouchMove); 1070 var orig = e.originalEvent; 1071 var value = 0; 1072 // record end x, y positions 1073 slider.touch.end.x = orig.changedTouches[0].pageX; 1074 slider.touch.end.y = orig.changedTouches[0].pageY; 1075 // if fade mode, check if absolute x distance clears the threshold 1076 if(slider.settings.mode == 'fade'){ 1077 var distance = Math.abs(slider.touch.start.x - slider.touch.end.x); 1078 if(distance >= slider.settings.swipeThreshold){ 1079 slider.touch.start.x > slider.touch.end.x ? el.goToNextSlide() : el.goToPrevSlide(); 1080 el.stopAuto(); 1081 } 1082 // not fade mode 1083 }else{ 1084 var distance = 0; 1085 // calculate distance and el's animate property 1086 if(slider.settings.mode == 'horizontal'){ 1087 distance = slider.touch.end.x - slider.touch.start.x; 1088 value = slider.touch.originalPos.left; 1089 }else{ 1090 distance = slider.touch.end.y - slider.touch.start.y; 1091 value = slider.touch.originalPos.top; 1092 } 1093 // if not infinite loop and first / last slide, do not attempt a slide transition 1094 if(!slider.settings.infiniteLoop && ((slider.active.index == 0 && distance > 0) || (slider.active.last && distance < 0))){ 1095 setPositionProperty(value, 'reset', 200);
1096 }else{ 1097 // check if distance clears threshold 1098 if(Math.abs(distance) >= slider.settings.swipeThreshold){ 1099 distance < 0 ? el.goToNextSlide() : el.goToPrevSlide(); 1100 el.stopAuto(); 1101 }else{ 1102 // el.animate(property, 200); 1103 setPositionProperty(value, 'reset', 200); 1104 } 1105 } 1106 } 1107 slider.viewport.unbind('touchend', onTouchEnd); 1108 } 1109 1110 /** 1111 * Window resize event callback 1112 */ 1113 var resizeWindow = function(e){ 1114 // don't do anything if slider isn't initialized. 1115 if(!slider.initialized) return; 1116 // get the new window dimens (again, thank you IE) 1117 var windowWidthNew = $(window).width(); 1118 var windowHeightNew = $(window).height(); 1119 // make sure that it is a true window resize 1120 // *we must check this because our dinosaur friend IE fires a window resize event when certain DOM elements 1121 // are resized. Can you just die already?* 1122 if(windowWidth != windowWidthNew || windowHeight != windowHeightNew){ 1123 // set the new window dimens 1124 windowWidth = windowWidthNew; 1125 windowHeight = windowHeightNew; 1126 // update all dynamic elements 1127 el.redrawSlider(); 1128 // Call user resize handler 1129 slider.settings.onSliderResize.call(el, slider.active.index); 1130 } 1131 } 1132 1133 /** 1134 * =================================================================================== 1135 * = PUBLIC FUNCTIONS 1136 * =================================================================================== 1137 */ 1138 1139 /** 1140 * Performs slide transition to the specified slide 1141 * 1142 * @param slideIndex (int) 1143 * - the destination slide's index (zero-based) 1144 * 1145 * @param direction (string) 1146 * - INTERNAL USE ONLY - the direction of travel ("prev" / "next") 1147 */ 1148 el.goToSlide = function(slideIndex, direction){ 1149 // if plugin is currently in motion, ignore request 1150 if(slider.working || slider.active.index == slideIndex) return; 1151 // declare that plugin is in motion 1152 slider.working = true; 1153 // store the old index 1154 slider.oldIndex = slider.active.index; 1155 // if slideIndex is less than zero, set active index to last child (this happens during infinite loop) 1156 if(slideIndex < 0){ 1157 slider.active.index = getPagerQty() - 1; 1158 // if slideIndex is greater than children length, set active index to 0 (this happens during infinite loop) 1159 }else if(slideIndex >= getPagerQty()){ 1160 slider.active.index = 0; 1161 // set active index to requested slide 1162 }else{ 1163 slider.active.index = slideIndex; 1164 } 1165 // onSlideBefore, onSlideNext, onSlidePrev callbacks 1166 slider.settings.onSlideBefore(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1167 if(direction == 'next'){ 1168 slider.settings.onSlideNext(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1169 }else if(direction == 'prev'){ 1170 slider.settings.onSlidePrev(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1171 } 1172 // check if last slide 1173 slider.active.last = slider.active.index >= getPagerQty() - 1; 1174 // update the pager with active class 1175 if(slider.settings.pager) updatePagerActive(slider.active.index); 1176 // // check for direction control update 1177 if(slider.settings.controls) updateDirectionControls(); 1178 // if slider is set to mode: "fade" 1179 if(slider.settings.mode == 'fade'){ 1180 // if adaptiveHeight is true and next height is different from current height, animate to the new height 1181 if(slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHeight()){ 1182 slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed); 1183 } 1184 // fade out the visible child and reset its z-index value 1185 slider.children.filter(':visible').fadeOut(slider.settings.speed).css({zIndex: 0}); 1186 // fade in the newly requested slide 1187 slider.children.eq(slider.active.index).css('zIndex', slider.settings.slideZIndex+1).fadeIn(slider.settings.speed, function(){ 1188 $(this).css('zIndex', slider.settings.slideZIndex); 1189 updateAfterSlideTransition(); 1190 }); 1191 // slider mode is not "fade" 1192 }else{ 1193 // if adaptiveHeight is true and next height is different from current height, animate to the new height 1194 if(slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHe
1194ight()){ 1195 slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed); 1196 } 1197 var moveBy = 0; 1198 var position = {left: 0, top: 0}; 1199 // if carousel and not infinite loop 1200 if(!slider.settings.infiniteLoop && slider.carousel && slider.active.last){ 1201 if(slider.settings.mode == 'horizontal'){ 1202 // get the last child position 1203 var lastChild = slider.children.eq(slider.children.length - 1); 1204 position = lastChild.position(); 1205 // calculate the position of the last slide 1206 moveBy = slider.viewport.width() - lastChild.outerWidth(); 1207 }else{ 1208 // get last showing index position 1209 var lastShowingIndex = slider.children.length - slider.settings.minSlides; 1210 position = slider.children.eq(lastShowingIndex).position(); 1211 } 1212 // horizontal carousel, going previous while on first slide (infiniteLoop mode) 1213 }else if(slider.carousel && slider.active.last && direction == 'prev'){ 1214 // get the last child position 1215 var eq = slider.settings.moveSlides == 1 ? slider.settings.maxSlides - getMoveBy() : ((getPagerQty() - 1) * getMoveBy()) - (slider.children.length - slider.settings.maxSlides); 1216 var lastChild = el.children('.bx-clone').eq(eq); 1217 position = lastChild.position(); 1218 // if infinite loop and "Next" is clicked on the last slide 1219 }else if(direction == 'next' && slider.active.index == 0){ 1220 // get the last clone position 1221 position = el.find('> .bx-clone').eq(slider.settings.maxSlides).position(); 1222 slider.active.last = false; 1223 // normal non-zero requests 1224 }else if(slideIndex >= 0){ 1225 var requestEl = slideIndex * getMoveBy(); 1226 position = slider.children.eq(requestEl).position(); 1227 } 1228 1229 /* If the position doesn't exist 1230 * (e.g. if you destroy the slider on a next click), 1231 * it doesn't throw an error. 1232 */ 1233 if ("undefined" !== typeof(position)) { 1234 var value = slider.settings.mode == 'horizontal' ? -(position.left - moveBy) : -position.top; 1235 // plugin values to be animated 1236 setPositionProperty(value, 'slide', slider.settings.speed); 1237 } 1238 } 1239 } 1240 1241 /** 1242 * Transitions to the next slide in the show 1243 */ 1244 el.goToNextSlide = function(){ 1245 // if infiniteLoop is false and last page is showing, disregard call 1246 if (!slider.settings.infiniteLoop && slider.active.last) return; 1247 var pagerIndex = parseInt(slider.active.index) + 1; 1248 el.goToSlide(pagerIndex, 'next'); 1249 } 1250 1251 /** 1252 * Transitions to the prev slide in the show 1253 */ 1254 el.goToPrevSlide = function(){ 1255 // if infiniteLoop is false and last page is showing, disregard call 1256 if (!slider.settings.infiniteLoop && slider.active.index == 0) return; 1257 var pagerIndex = parseInt(slider.active.index) - 1; 1258 el.goToSlide(pagerIndex, 'prev'); 1259 } 1260 1261 /** 1262 * Starts the auto show 1263 * 1264 * @param preventControlUpdate (boolean) 1265 * - if true, auto controls state will not be updated 1266 */ 1267 el.startAuto = function(preventControlUpdate){ 1268 // if an interval already exists, disregard call 1269 if(slider.interval) return; 1270 // create an interval 1271 slider.interval = setInterval(function(){ 1272 slider.settings.autoDirection == 'next' ? el.goToNextSlide() : el.goToPrevSlide(); 1273 }, slider.settings.pause); 1274 // if auto controls are displayed and preventControlUpdate is not true 1275 if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('stop'); 1276 } 1277 1278 /** 1279 * Stops the auto show 1280 * 1281 * @param preventControlUpdate (boolean) 1282 * - if true, auto controls state will not be updated 1283 */ 1284 el.stopAuto = function(preventControlUpdate){ 1285 // if no interval exists, disregard call 1286 if(!slider.interval) return; 1287 // clear the interval 1288 clearInterval(slider.interval); 1289 slider.interval = null; 1290 // if auto controls are displayed and preventControlUpdate is not true 1291 if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('start'); 1292 } 1293 1294 /** 1295 * Returns current slide index (zero-based) 1296 */ 1297 el.getCurrentSlide = function(){ 1298 return slider.active.index; 1299 } 1300 1301 /** 1302 * Returns current slide element 1303 */ 1304 el.getCurrentSlideElement = function(){ 1305 return slider.children.eq(slider.active.index); 1306 } 1307 1308 /** 1309 * Returns number of slides in show 1310 */ 1311 el.getSlideCount = function(){ 1312 return slider.children.length; 1313 } 1314 1315 /** 1316 * Update all dynamic slider elements 1317 */ 1318 el.redrawSlider = function(){ 1319 // resize all children in ratio to new screen size 1320 slider.children.add(el.find('.bx-clone')).width(getSlideWidth()); 1321 // adjust the height
1322 slider.viewport.css('height', getViewportHeight()); 1323 // update the slide position 1324 if(!slider.settings.ticker) setSlidePosition(); 1325 // if active.last was true before the screen resize, we want 1326 // to keep it last no matter what screen size we end on 1327 if (slider.active.last) slider.active.index = getPagerQty() - 1; 1328 // if the active index (page) no longer exists due to the resize, simply set the index as last 1329 if (slider.active.index >= getPagerQty()) slider.active.last = true; 1330 // if a pager is being displayed and a custom pager is not being used, update it 1331 if(slider.settings.pager && !slider.settings.pagerCustom){ 1332 populatePager(); 1333 updatePagerActive(slider.active.index); 1334 } 1335 } 1336 1337 /** 1338 * Destroy the current instance of the slider (revert everything back to original state) 1339 */ 1340 el.destroySlider = function(){ 1341 // don't do anything if slider has already been destroyed 1342 if(!slider.initialized) return; 1343 slider.initialized = false; 1344 $('.bx-clone', this).remove(); 1345 slider.children.each(function() { 1346 $(this).data("origStyle") != undefined ? $(this).attr("style", $(this).data("origStyle")) : $(this).removeAttr('style'); 1347 }); 1348 $(this).data("origStyle") != undefined ? this.attr("style", $(this).data("origStyle")) : $(this).removeAttr('style'); 1349 $(this).unwrap().unwrap(); 1350 if(slider.controls.el) slider.controls.el.remove(); 1351 if(slider.controls.next) slider.controls.next.remove(); 1352 if(slider.controls.prev) slider.controls.prev.remove(); 1353 if(slider.pagerEl && slider.settings.controls) slider.pagerEl.remove(); 1354 $('.bx-caption', this).remove(); 1355 if(slider.controls.autoEl) slider.controls.autoEl.remove(); 1356 clearInterval(slider.interval); 1357 if(slider.settings.responsive) $(window).unbind('resize', resizeWindow); 1358 } 1359 1360 /** 1361 * Reload the slider (revert all DOM changes, and re-initialize) 1362 */ 1363 el.reloadSlider = function(settings){ 1364 if (settings != undefined) options = settings; 1365 el.destroySlider(); 1366 init(); 1367 } 1368 1369 init(); 1370 1371 // returns the current jQuery object 1372 return this; 1373 } 1374 1375})(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.