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/** 12 * Custom modifications of one of my favourite responsive sliders. 13 * --------------------------------------------------------------------------------------- 14 * - Author: Rahisify 15 * - Url : http://rahisify.com 16 * --------------------------------------------------------------------------------------- 17 * (1) Added data attributes support 18 * (2) Added break points support 19 * (3) Added automatic reload option 20 * (4) Added self calling capability 21 * --------------------------------------------------------------------------------------- 22 * - Would not be possible without the awesome work of Steven Wanderski. 23 * - Released under same license - not for sale! 24 * --------------------------------------------------------------------------------------- 25 */ 26 27; 28(function ($) { 29 30 var plugin = {}; 31 32 var defaults = { 33 34 // GENERAL 35 mode: 'horizontal', 36 slideSelector: '', 37 infiniteLoop: true, 38 hideControlOnEnd: false, 39 speed: 500, 40 easing: null, 41 slideMargin: 0, 42 startSlide: 0, 43 randomStart: false, 44 captions: false, 45 ticker: false, 46 tickerHover: false, 47 adaptiveHeight: false, 48 adaptiveHeightSpeed: 500, 49 video: false, 50 useCSS: true, 51 preloadImages: 'visible', 52 responsive: true, 53 slideZIndex: 50, 54 wrapperClass: 'bx-wrapper', 55 56 // TOUCH 57 touchEnabled: true, 58 swipeThreshold: 50, 59 oneToOneTouch: true, 60 preventDefaultSwipeX: true, 61 preventDefaultSwipeY: false, 62 63 // PAGER 64 pager: true, 65 pagerType: 'full', 66 pagerShortSeparator: ' / ', 67 pagerSelector: null, 68 buildPager: null, 69 pagerCustom: null, 70 71 // CONTROLS 72 controls: true, 73 nextText: 'Next', 74 prevText: 'Prev', 75 nextSelector: null, 76 prevSelector: null, 77 autoControls: false, 78 startText: 'Start', 79 stopText: 'Stop', 80 autoControlsCombine: false, 81 autoControlsSelector: null, 82 83 // AUTO 84 auto: false, 85 pause: 4000, 86 autoStart: true, 87 autoDirection: 'next', 88 autoHover: false, 89 autoDelay: 0, 90 autoSlideForOnePage: false, 91 92 // CAROUSEL 93 minSlides: 1, 94 maxSlides: 1, 95 moveSlides: 0, 96 slideWidth: 0, 97 autoReload: false, 98 99 // CALLBACKS 100 onSliderLoad: function () {}, 101 onSlideBefore: function () {}, 102 onSlideAfter: function () {}, 103 onSlideNext: function () {}, 104 onSlidePrev: function () {}, 105 onSliderResize: function () {} 106 } 107 108 $.fn.bxSlider = function (options) { 109 110 if (this.length == 0) return this; 111 112 // support mutltiple elements 113 if (this.length > 1) { 114 this.each(function () { 115 $(this).bxSlider(options) 116 }); 117 return this; 118 } 119 120 // create a namespace to be used throughout the plugin 121 var slider = {}; 122 // set a reference to our slider element 123 var el = this; 124 plugin.el = this; 125 126 /** 127 * Makes slideshow responsive 128 */ 129 // first get the original window dimens (thanks alot IE) 130 var windowWidth = $(window).width(); 131 var windowHeight = $(window).height(); 132 133 134 /** 135 * =================================================================================== 136 * = PRIVATE FUNCTIONS 137 * =================================================================================== 138 */ 139 140 /** 141 * Initializes namespace settings to be used throughout plugin 142 */ 143 var init = function () { 144 145 // merge user-supplied options with the defaults 146 slider.settings = $.extend({}, defaults, options); 147 148 /** 149 * =================================================================================== 150 * CUSTOM MODIFICATIONS (Delete this block if you disapprove!) 151 * =================================================================================== 152 */ 153 154 // set up carousel if initial options intended to do so 155 setupCarousel(); 156 157 // screen width we will be referring to 158 var currentWidth = $(window).width(); 159 // force the slider to use this width(disable if you disapprove!) 160 windowWidth = currentWidth; 161 162 /* DEFINE FUNCTIONS WE WILL USE 163 -----------------------------------------------------------------*/ 164 165 // calculates slide width 166 function calcSlideWidth(fullW, numSlides, margin) { 167 168 var calcWidth = (fullW - (margin * (numSlides - 1))) / numSlides; 169 return Math.floor(calcWidth); 170 171 } 172 173 // sets break point options
174 function setBreakOptions(breakObj) { 175 176 for (var key in breakObj) { 177 slider.settings[key] = breakObj[key]; 178 } 179 180 } 181 182 // sets up carousel from available options 183 function setupCarousel() { 184 185 if (slider.settings.slides) { 186 slider.settings.maxSlides = slider.settings.slides; 187 slider.settings.minSlides = slider.settings.slides; 188 slider.settings.slideWidth = calcSlideWidth(windowWidth, slider.settings.slides, slider.settings.slideMargin); 189 } 190 191 } 192 193 // converts string into valid JSON format 194 function jsonify(str) { 195 196 str = str.replace(/([a-zA-Z0-9]+?):/g, '"$1":'); 197 str = str.replace(/'/g, '"'); 198 var jsonArray = jQuery.parseJSON(str); 199 return jsonArray; 200 201 } 202 203 // (1) Grab data options if available 204 // --------------------------------------------------------------------------------- 205 206 var dataOptions = $(el).attr('data-options'); 207 208 if (dataOptions) { 209 210 //add curly brackets if not there 211 var lastChar = dataOptions.charAt(dataOptions.length - 1); 212 var firstChar = dataOptions.charAt(0); 213 214 if (firstChar != "{" && lastChar != "}") { 215 dataOptions = "{" + dataOptions + "}"; 216 } 217 218 // exploit JSON parser to lessen work 219 var opts = jsonify(dataOptions); 220 221 for (var key in opts) { 222 slider.settings[key] = opts[key]; 223 } 224 // set up carousel if options intended to do so 225 setupCarousel(); 226 227 } 228 229 // (2) Grab breaks from data attributes if available 230 // --------------------------------------------------------------------------------- 231 232 var dataBreaks = $(el).attr('data-breaks'); 233 234 235 if (dataBreaks) { 236 // exploit JSON parser to lessen work 237 slider.settings.breaks = jsonify(dataBreaks); 238 } 239 240 // (3) proceed to process(if available) the user supplied break points 241 // --------------------------------------------------------------------------------- 242 243 if (slider.settings.breaks) { 244 245 // Sort in ascending order in case of mix up 246 slider.settings.breaks.sort(function (a, b) { 247 return a.screen - b.screen; 248 }); 249 250 // Process breaks 251 for (var i = 0; i < slider.settings.breaks.length; ++i) { 252 253 var currentBreak = slider.settings.breaks[i]; 254 var nextBreak = {}; 255 var min = currentBreak.screen; 256 var max; 257 258 if (i < slider.settings.breaks.length - 1) { // next break exists 259 260 nextBreak = slider.settings.breaks[i + 1]; 261 max = nextBreak.screen; 262 263 if (currentWidth >= min && currentWidth < max) { 264 setBreakOptions(currentBreak); 265 } 266 267 } else { // just use current break coz next one does not exist 268 269 if (currentWidth >= min) { 270 setBreakOptions(currentBreak); 271 } 272 } 273 274 } 275 276 // set up carousel if options intended to do so 277 setupCarousel(); 278 279 } 280 281 282 /** 283 * =================================================================================== 284 * = CUSTOM MODIFICATIONS /END 285 * =================================================================================== 286 */ 287 288 // parse slideWidth setting 289 slider.settings.slideWidth = parseInt(slider.settings.slideWidth); 290 // store the original children 291 slider.children = el.children(slider.settings.slideSelector); 292 // check if actual number of slides is less than minSlides / maxSlides 293 if (slider.children.length < slider.settings.minSlides) slider.settings.minSlides = slider.children.length; 294 if (slider.children.length < slider.settings.maxSlides) slider.settings.maxSlides = slider.children.length; 295 // if random start, set the startSlide setting to random number 296 if (slider.settings.randomStart) slider.settings.startSlide = Math.floor(Math.random() * slider.children.length); 297 // store active slide information 298 slider.active = {index: slider.settings.startSlide} 299 // store if the slider is in carousel mode (displaying / moving multiple slides) 300 slider.carousel = slider.settings.minSlides > 1 || slider.settings.maxSlides > 1; 301 // if carousel, force preloadImages = 'all' 302 if (slider.carousel) slider.settings.preloadImages = 'all'; 303 // calculate the min / max width thresholds based on min / max number of slides 304 // used to setup and update carousel slides dimensions 305 slider.minThreshold = (slider.settings.minSlides * slider.settings.slideWidth) + ((slider.settings.minSlides - 1) * slider.settings.slideMargin); 306 slider.maxThreshold = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin); 307 // store the current state of the slider (if currently animating, working is true) 308 slider.working = false;
309 // initialize the controls object 310 slider.controls = {}; 311 // initialize an auto interval 312 slider.interval = null; 313 // determine which property to use for transitions 314 slider.animProp = slider.settings.mode == 'vertical' ? 'top' : 'left'; 315 // determine if hardware acceleration can be used 316 slider.usingCSS = slider.settings.useCSS && slider.settings.mode != 'fade' && (function () { 317 // create our test div element 318 var div = document.createElement('div'); 319 // css transition properties 320 var props = ['WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective']; 321 // test for each property 322 for (var i in props) { 323 if (div.style[props[i]] !== undefined) { 324 slider.cssPrefix = props[i].replace('Perspective', '').toLowerCase(); 325 slider.animProp = '-' + slider.cssPrefix + '-transform'; 326 return true; 327 } 328 } 329 return false; 330 }()); 331 // if vertical mode always make maxSlides and minSlides equal 332 if (slider.settings.mode == 'vertical') slider.settings.maxSlides = slider.settings.minSlides; 333 // save original style data 334 el.data("origStyle", el.attr("style")); 335 el.children(slider.settings.slideSelector).each(function () { 336 $(this).data("origStyle", $(this).attr("style")); 337 }); 338 // perform all DOM / CSS modifications 339 setup(); 340 } 341 342 /** 343 * Performs all DOM and CSS modifications 344 */ 345 var setup = function () { 346 // wrap el in a wrapper 347 el.wrap('<div class="' + slider.settings.wrapperClass + '"><div class="bx-viewport"></div></div>'); 348 // store a namspace reference to .bx-viewport 349 slider.viewport = el.parent(); 350 // add a loading div to display while images are loading 351 slider.loader = $('<div class="bx-loading" />'); 352 slider.viewport.prepend(slider.loader); 353 // set el to a massive width, to hold any needed slides 354 // also strip any margin and padding from el 355 el.css({ 356 width: slider.settings.mode == 'horizontal' ? (slider.children.length * 100 + 215) + '%' : 'auto', 357 position: 'relative' 358 }); 359 // if using CSS, add the easing property 360 if (slider.usingCSS && slider.settings.easing) { 361 el.css('-' + slider.cssPrefix + '-transition-timing-function', slider.settings.easing); 362 // if not using CSS and no easing value was supplied, use the default JS animation easing (swing) 363 } else if (!slider.settings.easing) { 364 slider.settings.easing = 'swing'; 365 } 366 var slidesShowing = getNumberSlidesShowing(); 367 // make modifications to the viewport (.bx-viewport) 368 slider.viewport.css({ 369 width: '100%', 370 overflow: 'hidden', 371 position: 'relative' 372 }); 373 slider.viewport.parent().css({ 374 maxWidth: getViewportMaxWidth() 375 }); 376 // make modification to the wrapper (.bx-wrapper) 377 if (!slider.settings.pager) { 378 slider.viewport.parent().css({ 379 margin: '0 auto 0px' 380 }); 381 } 382 // apply css to all slider children 383 slider.children.css({ 384 'float': slider.settings.mode == 'horizontal' ? 'left' : 'none', 385 listStyle: 'none', 386 position: 'relative' 387 }); 388 // apply the calculated width after the float is applied to prevent scrollbar interference 389 slider.children.css('width', calcSlideWidthidth()); 390 // if slideMargin is supplied, add the css 391 if (slider.settings.mode == 'horizontal' && slider.settings.slideMargin > 0) slider.children.css('marginRight', slider.settings.slideMargin); 392 if (slider.settings.mode == 'vertical' && slider.settings.slideMargin > 0) slider.children.css('marginBottom', slider.settings.slideMargin); 393 // if "fade" mode, add positioning and z-index CSS 394 if (slider.settings.mode == 'fade') { 395 slider.children.css({ 396 position: 'absolute', 397 zIndex: 0, 398 display: 'none' 399 }); 400 // prepare the z-index on the showing element 401 slider.children.eq(slider.settings.startSlide).css({zIndex: slider.settings.slideZIndex, display: 'block'}); 402 } 403 // create an element to contain all slider controls (pager, start / stop, etc) 404 slider.controls.el = $('<div class="bx-controls" />'); 405 // if captions are requested, add them 406 if (slider.settings.captions) appendCaptions(); 407 // check if startSlide is last slide 408 slider.active.last = slider.settings.startSlide == getPagerQty() - 1; 409 // if video is true, set up the fitVids plugin 410 if (slider.settings.video) el.fitVids(); 411 // set the default preload selector (visible) 412 var preloadSelector = slider.children.eq(slider.settings.startSlide); 413 if (slider.settings.preloadImages == "all") preloadSelector = slider.children;
414 // only check for control addition if not in "ticker" mode 415 if (!slider.settings.ticker) { 416 // if pager is requested, add it 417 if (slider.settings.pager) appendPager(); 418 // if controls are requested, add them 419 if (slider.settings.controls) appendControls(); 420 // if auto is true, and auto controls are requested, add them 421 if (slider.settings.auto && slider.settings.autoControls) appendControlsAuto(); 422 // if any control option is requested, add the controls wrapper 423 if (slider.settings.controls || slider.settings.autoControls || slider.settings.pager) slider.viewport.after(slider.controls.el); 424 // if ticker mode, do not allow a pager 425 } else { 426 slider.settings.pager = false; 427 } 428 // preload all images, then perform final DOM / CSS modifications that depend on images being loaded 429 loadElements(preloadSelector, start); 430 } 431 432 var loadElements = function (selector, callback) { 433 var total = selector.find('img, iframe').length; 434 if (total == 0) { 435 callback(); 436 return; 437 } 438 var count = 0; 439 selector.find('img, iframe').each(function () { 440 $(this).one('load', function () { 441 if (++count == total) callback(); 442 }).each(function () { 443 if (this.complete) $(this).trigger('load'); 444 }); 445 }); 446 } 447 448 /** 449 * Start the slider 450 */ 451 var start = function () { 452 453 // if infinite loop, prepare additional slides 454 if (slider.settings.infiniteLoop && slider.settings.mode != 'fade' && !slider.settings.ticker) { 455 var slice = slider.settings.mode == 'vertical' ? slider.settings.minSlides : slider.settings.maxSlides; 456 var sliceAppend = slider.children.slice(0, slice).clone().addClass('bx-clone'); 457 var slicePrepend = slider.children.slice(-slice).clone().addClass('bx-clone'); 458 el.append(sliceAppend).prepend(slicePrepend); 459 } 460 // remove the loading DOM element 461 slider.loader.remove(); 462 // set the left / top position of "el" 463 setSlidePosition(); 464 // if "vertical" mode, always use adaptiveHeight to prevent odd behavior 465 if (slider.settings.mode == 'vertical') slider.settings.adaptiveHeight = true; 466 // set the viewport height 467 slider.viewport.height(getViewportHeight()); 468 // make sure everything is positioned just right (same as a window resize) 469 el.redrawSlider(); 470 // onSliderLoad callback 471 slider.settings.onSliderLoad(slider.active.index); 472 // slider has been fully initialized 473 slider.initialized = true;
474 // bind the resize call to the window 475 if (slider.settings.responsive) $(window).bind('resize', resizeWindow); 476 // if auto is true and has more than 1 page, start the show 477 if (slider.settings.auto && slider.settings.autoStart && (getPagerQty() > 1 || slider.settings.autoSlideForOnePage)) initAuto(); 478 // if ticker is true, start the ticker 479 if (slider.settings.ticker) initTicker(); 480 // if pager is requested, make the appropriate pager link active 481 if (slider.settings.pager) updatePagerActive(slider.settings.startSlide); 482 // check for any updates to the controls (like hideControlOnEnd updates) 483 if (slider.settings.controls) updateDirectionControls(); 484 // if touchEnabled is true, setup the touch events 485 if (slider.settings.touchEnabled && !slider.settings.ticker) initTouch(); 486 } 487 488 /** 489 * Returns the calculated height of the viewport, used to determine either adaptiveHeight or the maxHeight value 490 */ 491 var getViewportHeight = function () { 492 var height = 0; 493 // first determine which children (slides) should be used in our height calculation 494 var children = $(); 495 // if mode is not "vertical" and adaptiveHeight is false, include all children 496 if (slider.settings.mode != 'vertical' && !slider.settings.adaptiveHeight) { 497 children = slider.children; 498 } else { 499 // if not carousel, return the single active child 500 if (!slider.carousel) { 501 children = slider.children.eq(slider.active.index); 502 // if carousel, return a slice of children 503 } else { 504 // get the individual slide index 505 var currentIndex = slider.settings.moveSlides == 1 ? slider.active.index : slider.active.index * getMoveBy(); 506 // add the current slide to the children 507 children = slider.children.eq(currentIndex); 508 // cycle through the remaining "showing" slides 509 for (i = 1; i <= slider.settings.maxSlides - 1; i++) { 510 // if looped back to the start 511 if (currentIndex + i >= slider.children.length) { 512 children = children.add(slider.children.eq(i - 1)); 513 } else { 514 children = children.add(slider.children.eq(currentIndex + i)); 515 } 516 } 517 } 518 } 519 // if "vertical" mode, calculate the sum of the heights of the children 520 if (slider.settings.mode == 'vertical') { 521 children.each(function (index) { 522 height += $(this).outerHeight(); 523 }); 524 // add user-supplied margins 525 if (slider.settings.slideMargin > 0) { 526 height += slider.settings.slideMargin * (slider.settings.minSlides - 1); 527 } 528 // if not "vertical" mode, calculate the max height of the children 529 } else { 530 height = Math.max.apply(Math, children.map(function () { 531 return $(this).outerHeight(false); 532 }).get()); 533 } 534 535 if (slider.viewport.css('box-sizing') == 'border-box') { 536 height += parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom')) + 537 parseFloat(slider.viewport.css('border-top-width')) + parseFloat(slider.viewport.css('border-bottom-width')); 538 } else if (slider.viewport.css('box-sizing') == 'padding-box') { 539 height += parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom')); 540 } 541 542 return height; 543 } 544 545 /** 546 * Returns the calculated width to be used for the outer wrapper / viewport 547 */ 548 var getViewportMaxWidth = function () { 549 var width = '100%'; 550 if (slider.settings.slideWidth > 0) { 551 if (slider.settings.mode == 'horizontal') { 552 width = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin); 553 } else { 554 width = slider.settings.slideWidth; 555 } 556 } 557 return width; 558 } 559 560 /** 561 * Returns the calculated width to be applied to each slide 562 */ 563 var calcSlideWidthidth = function () { 564 // start with any user-supplied slide width 565 var newElWidth = slider.settings.slideWidth; 566 // get the current viewport width 567 var wrapWidth = slider.viewport.width(); 568 // if slide width was not supplied, or is larger than the viewport use the viewport width 569 if (slider.settings.slideWidth == 0 || 570 (slider.settings.slideWidth > wrapWidth && !slider.carousel) || 571 slider.settings.mode == 'vertical') { 572 newElWidth = wrapWidth; 573 // if carousel, use the thresholds to determine the width 574 } else if (slider.settings.maxSlides > 1 && slider.settings.mode == 'horizontal') { 575 if (wrapWidth > slider.maxThreshold) { 576 // newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.maxSlides - 1))) / slider.settings.maxSlides; 577 } else if (wrapWidth < slider.minThreshold) { 578 newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.minSlides - 1))) / slider.settings.minSlides; 579 } 580 } 581 return newElWidth; 582 } 583 584 /** 585 * Returns the number of slides currently visible in the viewport (includes partially visible slides) 586 */ 587 var getNumberSlidesShowing = function () { 588 var slidesShowing = 1; 589 if (slider.settings.mode == 'horizontal' && slider.settings.slideWidth > 0) { 590 // if viewport is smaller than minThreshold, return minSlides 591 if (slider.viewport.width() < slider.minThreshold) { 592 slidesShowing = slider.settings.minSlides; 593 // if viewport is larger than minThreshold, return maxSlides 594 } else if (slider.viewport.width() > slider.maxThreshold) { 595 slidesShowing = slider.settings.maxSlides; 596 // if viewport is between min / max thresholds, divide viewport width by first child width 597 } else { 598 var childWidth = slider.children.first().width() + slider.settings.slideMargin; 599 slidesShowing = Math.floor((slider.viewport.width() + 600 slider.settings.slideMargin) / childWidth); 601 } 602 // if "vertical" mode, slides showing will always be minSlides 603 } else if (slider.settings.mode == 'vertical') { 604 slidesShowing = slider.settings.minSlides; 605 } 606 return slidesShowing; 607 } 608 609 /** 610 * Returns the number of pages (one full viewport of slides is one "page") 611 */ 612 var getPagerQty = function () { 613 var pagerQty = 0; 614 // if moveSlides is specified by the user 615 if (slider.settings.moveSlides > 0) { 616 if (slider.settings.infiniteLoop) { 617 pagerQty = Math.ceil(slider.children.length / getMoveBy()); 618 } else { 619 // use a while loop to determine pages 620 var breakPoint = 0; 621 var counter = 0 622 // when breakpoint goes above children length, counter is the number of pages 623 while (breakPoint < slider.children.length) { 624 ++pagerQty; 625 breakPoint = counter + getNumberSlidesShowing(); 626 counter += slider.settings.moveSlides <= getNumberSlidesShowing() ? slider.settings.moveSlides : getNumberSlidesShowing(); 627 } 628 }
629 // if moveSlides is 0 (auto) divide children length by sides showing, then round up 630 } else { 631 pagerQty = Math.ceil(slider.children.length / getNumberSlidesShowing()); 632 } 633 return pagerQty; 634 } 635 636 /** 637 * Returns the number of indivual slides by which to shift the slider 638 */ 639 var getMoveBy = function () { 640 // if moveSlides was set by the user and moveSlides is less than number of slides showing 641 if (slider.settings.moveSlides > 0 && slider.settings.moveSlides <= getNumberSlidesShowing()) { 642 return slider.settings.moveSlides; 643 } 644 // if moveSlides is 0 (auto) 645 return getNumberSlidesShowing(); 646 } 647 648 /** 649 * Sets the slider's (el) left or top position 650 */ 651 var setSlidePosition = function () { 652 // if last slide, not infinite loop, and number of children is larger than specified maxSlides 653 if (slider.children.length > slider.settings.maxSlides && slider.active.last && !slider.settings.infiniteLoop) { 654 if (slider.settings.mode == 'horizontal') { 655 // get the last child's position 656 var lastChild = slider.children.last(); 657 var position = lastChild.position(); 658 // set the left position 659 setPositionProperty(-(position.left - (slider.viewport.width() - lastChild.outerWidth())), 'reset', 0); 660 } else if (slider.settings.mode == 'vertical') { 661 // get the last showing index's position 662 var lastShowingIndex = slider.children.length - slider.settings.minSlides; 663 var position = slider.children.eq(lastShowingIndex).position(); 664 // set the top position 665 setPositionProperty(-position.top, 'reset', 0); 666 } 667 // if not last slide 668 } else { 669 // get the position of the first showing slide 670 var position = slider.children.eq(slider.active.index * getMoveBy()).position(); 671 // check for last slide 672 if (slider.active.index == getPagerQty() - 1) slider.active.last = true; 673 // set the repective position 674 if (position != undefined) { 675 if (slider.settings.mode == 'horizontal') setPositionProperty(-position.left, 'reset', 0); 676 else if (slider.settings.mode == 'vertical') setPositionProperty(-position.top, 'reset', 0); 677 } 678 } 679 } 680 681 /** 682 * Sets the el's animating property position (which in turn will sometimes animate el). 683 * If using CSS, sets the transform property. If not using CSS, sets the top / left property. 684 * 685 * @param value (int) 686 * - the animating property's value 687 * 688 * @param type (string) 'slider', 'reset', 'ticker' 689 * - the type of instance for which the function is being 690 * 691 * @param duration (int) 692 * - the amount of time (in ms) the transition should occupy 693 * 694 * @param params (array) optional 695 * - an optional parameter containing any variables that need to be passed in 696 */ 697 var setPositionProperty = function (value, type, duration, params) { 698 // use CSS transform 699 if (slider.usingCSS) { 700 // determine the translate3d value 701 var propValue = slider.settings.mode == 'vertical' ? 'translate3d(0, ' + value + 'px, 0)' : 'translate3d(' + value + 'px, 0, 0)'; 702 // add the CSS transition-duration 703 el.css('-' + slider.cssPrefix + '-transition-duration', duration / 1000 + 's'); 704 if (type == 'slide') { 705 // set the property value 706 el.css(slider.animProp, propValue); 707 // bind a callback method - executes when CSS transition completes 708 el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function () { 709 // unbind the callback 710 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd'); 711 updateAfterSlideTransition(); 712 }); 713 } else if (type == 'reset') { 714 el.css(slider.animProp, propValue); 715 } else if (type == 'ticker') { 716 // make the transition use 'linear' 717 el.css('-' + slider.cssPrefix + '-transition-timing-function', 'linear'); 718 el.css(slider.animProp, propValue); 719 // bind a callback method - executes when CSS transition completes 720 el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function () { 721 // unbind the callback 722 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd'); 723 // reset the position 724 setPositionProperty(params['resetValue'], 'reset', 0); 725 // start the loop again 726 tickerLoop(); 727 }); 728 } 729 // use JS animate 730 } else { 731 var animateObj = {}; 732 animateObj[slider.animProp] = value; 733 if (type == 'slide') { 734 el.animate(animateObj, duration, slider.settings.easing, function () { 735 updateAfterSlideTransition(); 736 }); 737 } else if (type == 'reset') { 738 el.css(slider.animProp, value) 739 } else if (type == 'ticker') { 740 el.animate(animateObj, speed, 'linear', function () { 741 setPositionProperty(params['resetValue'], 'reset', 0); 742 // run the recursive loop after animation 743 tickerLoop(); 744 }); 745 } 746 } 747 } 748 749 /** 750 * Populates the pager with proper amount of pages 751 */ 752 var populatePager = function () { 753 var pagerHtml = ''; 754 var pagerQty = getPagerQty(); 755 // loop through each pager item 756 for (var i = 0; i < pagerQty; i++) { 757 var linkContent = ''; 758 // if a buildPager function is supplied, use it to get pager link value, else use index + 1 759 if (slider.settings.buildPager && $.isFunction(slider.settings.buildPager)) { 760 linkContent = slider.settings.buildPager(i); 761 slider.pagerEl.addClass('bx-custom-pager'); 762 } else { 763 linkContent = i + 1; 764 slider.pagerEl.addClass('bx-default-pager'); 765 } 766 // var linkContent = slider.settings.buildPager && $.isFunction(slider.settings.buildPager) ? slider.settings.buildPager(i) : i + 1; 767 // add the markup to the string 768 pagerHtml += '<div class="bx-pager-item">
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768<a href="" data-slide-index="' + i + '" class="bx-pager-link">' + linkContent + '</a></div>'; 769 } 770 ; 771 // populate the pager element with pager links 772 slider.pagerEl.html(pagerHtml); 773 } 774 775 /** 776 * Appends the pager to the controls element 777 */ 778 var appendPager = function () { 779 if (!slider.settings.pagerCustom) { 780 // create the pager DOM element 781 slider.pagerEl = $('<div class="bx-pager" />'); 782 // if a pager selector was supplied, populate it with the pager 783 if (slider.settings.pagerSelector) { 784 $(slider.settings.pagerSelector).html(slider.pagerEl); 785 // if no pager selector was supplied, add it after the wrapper 786 } else { 787 slider.controls.el.addClass('bx-has-pager').append(slider.pagerEl); 788 } 789 // populate the pager 790 populatePager(); 791 } else { 792 slider.pagerEl = $(slider.settings.pagerCustom); 793 } 794 // assign the pager click binding 795 slider.pagerEl.on('click', 'a', clickPagerBind); 796 } 797 798 /** 799 * Appends prev / next controls to the controls element 800 */ 801 var appendControls = function () { 802 slider.controls.next = $('<a class="bx-next" href="">' + slider.settings.nextText + '</a>'); 803 slider.controls.prev = $('<a class="bx-prev" href="">' + slider.settings.prevText + '</a>'); 804 // bind click actions to the controls 805 slider.controls.next.bind('click', clickNextBind); 806 slider.controls.prev.bind('click', clickPrevBind); 807 // if nextSlector was supplied, populate it 808 if (slider.settings.nextSelector) { 809 $(slider.settings.nextSelector).append(slider.controls.next); 810 } 811 // if prevSlector was supplied, populate it 812 if (slider.settings.prevSelector) { 813 $(slider.settings.prevSelector).append(slider.controls.prev); 814 } 815 // if no custom selectors were supplied 816 if (!slider.settings.nextSelector && !slider.settings.prevSelector) { 817 // add the controls to the DOM 818 slider.controls.directionEl = $('<div class="bx-controls-direction" />'); 819 // add the control elements to the directionEl 820 slider.controls.directionEl.append(slider.controls.prev).append(slider.controls.next); 821 // slider.viewport.append(slider.controls.directionEl); 822 slider.controls.el.addClass('bx-has-controls-direction').append(slider.controls.directionEl); 823 } 824 } 825 826 /** 827 * Appends start / stop auto controls to the controls element 828 */ 829 var appendControlsAuto = function () { 830 slider.controls.start = $('<div class="bx-controls-auto-item"><a class="bx-start" href="">' + slider.settings.startText + '</a></div>'); 831 slider.controls.stop = $('<div class="bx-controls-auto-item"><a class="bx-stop" href="">' + slider.settings.stopText + '</a></div>'); 832 // add the controls to the DOM 833 slider.controls.autoEl = $('<div class="bx-controls-auto" />'); 834 // bind click actions to the controls 835 slider.controls.autoEl.on('click', '.bx-start', clickStartBind); 836 slider.controls.autoEl.on('click', '.bx-stop', clickStopBind); 837 // if autoControlsCombine, insert only the "start" control 838 if (slider.settings.autoControlsCombine) { 839 slider.controls.autoEl.append(slider.controls.start); 840 // if autoControlsCombine is false, insert both controls 841 } else { 842 slider.controls.autoEl.append(slider.controls.start).append(slider.controls.stop); 843 } 844 // if auto controls selector was supplied, populate it with the controls 845 if (slider.settings.autoControlsSelector) { 846 $(slider.settings.autoControlsSelector).html(slider.controls.autoEl); 847 // if auto controls selector was not supplied, add it after the wrapper 848 } else { 849 slider.controls.el.addClass('bx-has-controls-auto').append(slider.controls.autoEl); 850 } 851 // update the auto controls
852 updateAutoControls(slider.settings.autoStart ? 'stop' : 'start'); 853 } 854 855 /** 856 * Appends image captions to the DOM 857 */ 858 var appendCaptions = function () { 859 // cycle through each child 860 slider.children.each(function (index) { 861 // get the image title attribute 862 var title = $(this).find('img:first').attr('title'); 863 // append the caption 864 if (title != undefined && ('' + title).length) { 865 $(this).append('<div class="bx-caption"><span>' + title + '</span></div>'); 866 } 867 }); 868 } 869 870 /** 871 * Click next binding 872 * 873 * @param e (event) 874 * - DOM event object 875 */ 876 var clickNextBind = function (e) { 877 // if auto show is running, stop it 878 if (slider.settings.auto) el.stopAuto(); 879 el.goToNextSlide(); 880 e.preventDefault(); 881 } 882 883 /** 884 * Click prev binding 885 * 886 * @param e (event) 887 * - DOM event object 888 */ 889 var clickPrevBind = function (e) { 890 // if auto show is running, stop it 891 if (slider.settings.auto) el.stopAuto(); 892 el.goToPrevSlide(); 893 e.preventDefault(); 894 } 895 896 /** 897 * Click start binding 898 * 899 * @param e (event) 900 * - DOM event object 901 */ 902 var clickStartBind = function (e) { 903 el.startAuto(); 904 e.preventDefault(); 905 } 906 907 /** 908 * Click stop binding 909 * 910 * @param e (event) 911 * - DOM event object 912 */ 913 var clickStopBind = function (e) { 914 el.stopAuto(); 915 e.preventDefault(); 916 } 917 918 /** 919 * Click pager binding 920 * 921 * @param e (event) 922 * - DOM event object 923 */ 924 var clickPagerBind = function (e) { 925 // if auto show is running, stop it 926 if (slider.settings.auto) el.stopAuto(); 927 var pagerLink = $(e.currentTarget); 928 if (pagerLink.attr('data-slide-index') !== undefined) { 929 var pagerIndex = parseInt(pagerLink.attr('data-slide-index')); 930 // if clicked pager link is not active, continue with the goToSlide call 931 if (pagerIndex != slider.active.index) el.goToSlide(pagerIndex); 932 e.preventDefault(); 933 } 934 } 935 936 /** 937 * Updates the pager links with an active class 938 * 939 * @param slideIndex (int) 940 * - index of slide to make active 941 */ 942 var updatePagerActive = function (slideIndex) { 943 // if "short" pager type 944 var len = slider.children.length; // nb of children 945 if (slider.settings.pagerType == 'short') { 946 if (slider.settings.maxSlides > 1) { 947 len = Math.ceil(slider.children.length / slider.settings.maxSlides); 948 } 949 slider.pagerEl.html((slideIndex + 1) + slider.settings.pagerShortSeparator + len); 950 return; 951 } 952 // remove all pager active classes 953 slider.pagerEl.find('a').removeClass('active'); 954 // apply the active class for all pagers 955 slider.pagerEl.each(function (i, el) { 956 $(el).find('a').eq(slideIndex).addClass('active'); 957 }); 958 } 959 960 /** 961 * Performs needed actions after a slide transition 962 */ 963 var updateAfterSlideTransition = function () { 964 // if infinte loop is true 965 if (slider.settings.infiniteLoop) { 966 var position = ''; 967 // first slide 968 if (slider.active.index == 0) { 969 // set the new position 970 position = slider.children.eq(0).position(); 971 // carousel, last slide 972 } else if (slider.active.index == getPagerQty() - 1 && slider.carousel) { 973 position = slider.children.eq((getPagerQty() - 1) * getMoveBy()).position(); 974 // last slide 975 } else if (slider.active.index == slider.children.length - 1) { 976 position = slider.children.eq(slider.children.length - 1).position(); 977 } 978 if (position) { 979 if (slider.settings.mode == 'horizontal') { 980 setPositionProperty(-position.left, 'reset', 0); 981 } 982 else if (slider.settings.mode == 'vertical') { 983 setPositionProperty(-position.top, 'reset', 0); 984 } 985 } 986 } 987 // declare that the transition is complete 988 slider.working = false; 989 // onSlideAfter callback 990 slider.settings.onSlideAfter(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 991 } 992 993 /** 994 * Updates the auto controls state (either active, or combined switch) 995 * 996 * @param state (string) "start", "stop" 997 * - the new state of the auto show 998 */ 999 var updateAutoControls = function (state) { 1000 // if autoControlsCombine is true, replace the current control with the new state 1001 if (slider.settings.autoControlsCombine) { 1002 slider.controls.autoEl.html(slider.controls[state]); 1003 // if autoControlsCombine is false, apply the "active" class to the appropriate control 1004 } else { 1005 slider.controls.autoEl.find('a').removeClass('active');
1006 slider.controls.autoEl.find('a:not(.bx-' + state + ')').addClass('active'); 1007 } 1008 } 1009 1010 /** 1011 * Updates the direction controls (checks if either should be hidden) 1012 */ 1013 var updateDirectionControls = function () { 1014 if (getPagerQty() == 1) { 1015 slider.controls.prev.addClass('disabled'); 1016 slider.controls.next.addClass('disabled'); 1017 } else if (!slider.settings.infiniteLoop && slider.settings.hideControlOnEnd) { 1018 // if first slide 1019 if (slider.active.index == 0) { 1020 slider.controls.prev.addClass('disabled'); 1021 slider.controls.next.removeClass('disabled'); 1022 // if last slide 1023 } else if (slider.active.index == getPagerQty() - 1) { 1024 slider.controls.next.addClass('disabled'); 1025 slider.controls.prev.removeClass('disabled'); 1026 // if any slide in the middle 1027 } else { 1028 slider.controls.prev.removeClass('disabled'); 1029 slider.controls.next.removeClass('disabled'); 1030 } 1031 } 1032 } 1033 1034 /** 1035 * Initialzes the auto process 1036 */ 1037 var initAuto = function () { 1038 // if autoDelay was supplied, launch the auto show using a setTimeout() call 1039 if (slider.settings.autoDelay > 0) { 1040 var timeout = setTimeout(el.startAuto, slider.settings.autoDelay); 1041 // if autoDelay was not supplied, start the auto show normally 1042 } else { 1043 el.startAuto(); 1044 } 1045 // if autoHover is requested 1046 if (slider.settings.autoHover) { 1047 // on el hover 1048 el.hover(function () { 1049 // if the auto show is currently playing (has an active interval) 1050 if (slider.interval) { 1051 // stop the auto show and pass true agument which will prevent control update 1052 el.stopAuto(true); 1053 // create a new autoPaused value which will be used by the relative "mouseout" event 1054 slider.autoPaused = true; 1055 } 1056 }, function () { 1057 // if the autoPaused value was created be the prior "mouseover" event 1058 if (slider.autoPaused) { 1059 // start the auto show and pass true agument which will prevent control update 1060 el.startAuto(true); 1061 // reset the autoPaused value 1062 slider.autoPaused = null; 1063 } 1064 }); 1065 } 1066 } 1067 1068 /** 1069 * Initialzes the ticker process 1070 */ 1071 var initTicker = function () { 1072 var startPosition = 0; 1073 // if autoDirection is "next", append a clone of the entire slider 1074 if (slider.settings.autoDirection == 'next') { 1075 el.append(slider.children.clone().addClass('bx-clone')); 1076 // if autoDirection is "prev", prepend a clone of the entire slider, and set the left position 1077 } else { 1078 el.prepend(slider.children.clone().addClass('bx-clone')); 1079 var position = slider.children.first().position(); 1080 startPosition = slider.settings.mode == 'horizontal' ? -position.left : -position.top; 1081 } 1082 setPositionProperty(startPosition, 'reset', 0); 1083 // do not allow controls in ticker mode 1084 slider.settings.pager = false; 1085 slider.settings.controls = false; 1086 slider.settings.autoControls = false; 1087 // if autoHover is requested 1088 if (slider.settings.tickerHover && !slider.usingCSS) { 1089 // on el hover 1090 slider.viewport.hover(function () { 1091 el.stop(); 1092 }, function () { 1093 // calculate the total width of children (used to calculate the speed ratio) 1094 var totalDimens = 0; 1095 slider.children.each(function (index) { 1096 totalDimens += slider.settings.mode == 'horizontal' ? $(this).outerWidth(true) : $(this).outerHeight(true); 1097 }); 1098 // calculate the speed ratio (used to determine the new speed to finish the paused animation) 1099 var ratio = slider.settings.speed / totalDimens; 1100 // determine which property to use 1101 var property = slider.settings.mode == 'horizontal' ? 'left' : 'top'; 1102 // calculate the new speed 1103 var newSpeed = ratio * (totalDimens - (Math.abs(parseInt(el.css(property))))); 1104 tickerLoop(newSpeed); 1105 }); 1106 } 1107 // start the ticker loop 1108 tickerLoop(); 1109 } 1110 1111 /** 1112 * Runs a continuous loop, news ticker-style 1113 */ 1114 var tickerLoop = function (resumeSpeed) { 1115 speed = resumeSpeed ? resumeSpeed : slider.settings.speed; 1116 var position = {left: 0, top: 0}; 1117 var reset = {left: 0, top: 0}; 1118 // if "next" animate left position to last child, then reset left to 0 1119 if (slider.settings.autoDirection == 'next') { 1120 position = el.find('.bx-clone').first().position(); 1121 // if "prev" animate left position to 0, then reset left to first non-clone child 1122 } else { 1123 reset = slider.children.first().position(); 1124 } 1125 var animateProperty = slider.settings.mode == 'horizontal' ? -position.left : -position.top; 1126 var resetValue = slider.settings.mode == 'horizontal' ? -reset.left : -reset.top; 1127 var params = {resetValue: resetValue}; 1128 setPositionProperty(animateProperty, 'ticker', speed, params); 1129 } 1130 1131 /** 1132 * Initializes touch events 1133 */ 1134 var initTouch = function () { 1135 // initialize object to contain all touch values 1136 slider.touch = { 1137 start: {x: 0, y: 0}, 1138 end: {x: 0, y: 0} 1139 } 1140 slider.viewport.bind('touchstart', onTouchStart); 1141 } 1142 1143 /** 1144 * Event handler for "touchstart" 1145 * 1146 * @param e (event) 1147 * - DOM event object 1148 */ 1149 var onTouchStart = function (e) { 1150 if (slider.working) { 1151 e.preventDefault(); 1152 } else { 1153 // record the original position when touch starts 1154 slider.touch.originalPos = el.position(); 1155 var orig = e.originalEvent; 1156 // record the starting touch x, y coordinates
1157 slider.touch.start.x = orig.changedTouches[0].pageX; 1158 slider.touch.start.y = orig.changedTouches[0].pageY; 1159 // bind a "touchmove" event to the viewport 1160 slider.viewport.bind('touchmove', onTouchMove); 1161 // bind a "touchend" event to the viewport 1162 slider.viewport.bind('touchend', onTouchEnd); 1163 } 1164 } 1165 1166 /** 1167 * Event handler for "touchmove" 1168 * 1169 * @param e (event) 1170 * - DOM event object 1171 */ 1172 var onTouchMove = function (e) { 1173 var orig = e.originalEvent; 1174 // if scrolling on y axis, do not prevent default 1175 var xMovement = Math.abs(orig.changedTouches[0].pageX - slider.touch.start.x); 1176 var yMovement = Math.abs(orig.changedTouches[0].pageY - slider.touch.start.y); 1177 // x axis swipe 1178 if ((xMovement * 3) > yMovement && slider.settings.preventDefaultSwipeX) { 1179 e.preventDefault(); 1180 // y axis swipe 1181 } else if ((yMovement * 3) > xMovement && slider.settings.preventDefaultSwipeY) { 1182 e.preventDefault(); 1183 } 1184 if (slider.settings.mode != 'fade' && slider.settings.oneToOneTouch) { 1185 var value = 0; 1186 // if horizontal, drag along x axis 1187 if (slider.settings.mode == 'horizontal') { 1188 var change = orig.changedTouches[0].pageX - slider.touch.start.x; 1189 value = slider.touch.originalPos.left + change; 1190 // if vertical, drag along y axis 1191 } else { 1192 var change = orig.changedTouches[0].pageY - slider.touch.start.y; 1193 value = slider.touch.originalPos.top + change; 1194 } 1195 setPositionProperty(value, 'reset', 0); 1196 } 1197 } 1198 1199 /** 1200 * Event handler for "touchend" 1201 * 1202 * @param e (event) 1203 * - DOM event object 1204 */ 1205 var onTouchEnd = function (e) { 1206 slider.viewport.unbind('touchmove', onTouchMove); 1207 var orig = e.originalEvent; 1208 var value = 0; 1209 // record end x, y positions 1210 slider.touch.end.x = orig.changedTouches[0].pageX; 1211 slider.touch.end.y = orig.changedTouches[0].pageY; 1212 // if fade mode, check if absolute x distance clears the threshold 1213 if (slider.settings.mode == 'fade') { 1214 var distance = Math.abs(slider.touch.start.x - slider.touch.end.x); 1215 if (distance >= slider.settings.swipeThreshold) { 1216 slider.touch.start.x > slider.touch.end.x ? el.goToNextSlide() : el.goToPrevSlide(); 1217 el.stopAuto(); 1218 } 1219 // not fade mode 1220 } else { 1221 var distance = 0; 1222 // calculate distance and el's animate property 1223 if (slider.settings.mode == 'horizontal') { 1224 distance = slider.touch.end.x - slider.touch.start.x; 1225 value = slider.touch.originalPos.left; 1226 } else { 1227 distance = slider.touch.end.y - slider.touch.start.y; 1228 value = slider.touch.originalPos.top; 1229 } 1230 // if not infinite loop and first / last slide, do not attempt a slide transition 1231 if (!slider.settings.infiniteLoop && ((slider.active.index == 0 && distance > 0) || (slider.active.last && distance < 0))) { 1232 setPositionProperty(value, 'reset', 200); 1233 } else { 1234 // check if distance clears threshold 1235 if (Math.abs(distance) >= slider.settings.swipeThreshold) { 1236 distance < 0 ? el.goToNextSlide() : el.goToPrevSlide(); 1237 el.stopAuto(); 1238 } else { 1239 // el.animate(property, 200); 1240 setPositionProperty(value, 'reset', 200); 1241 } 1242 } 1243 } 1244 slider.viewport.unbind('touchend', onTouchEnd); 1245 } 1246 1247 /** 1248 * Window resize event callback 1249 */ 1250 var resizeWindow = function (e) { 1251 // don't do anything if slider isn't initialized. 1252 if (!slider.initialized) return; 1253 // get the new window dimens (again, thank you IE) 1254 var windowWidthNew = $(window).width(); 1255 var windowHeightNew = $(window).height(); 1256 // make sure that it is a true window resize 1257 // *we must check this because our dinosaur friend IE fires a window resize event when certain DOM elements 1258 // are resized. Can you just die already?* 1259 if (windowWidth != windowWidthNew || windowHeight != windowHeightNew) { 1260 // set the new window dimens 1261 windowWidth = windowWidthNew; 1262 windowHeight = windowHeightNew; 1263 // update all dynamic elements 1264 el.redrawSlider(); 1265 // Call user resize handler 1266 slider.settings.onSliderResize.call(el, slider.active.index); 1267 } 1268 } 1269 1270 /** 1271 * =================================================================================== 1272 * = PUBLIC FUNCTIONS 1273 * =================================================================================== 1274 */ 1275 1276 /** 1277 * Performs slide transition to the specified slide 1278 * 1279 * @param slideIndex (int) 1280 * - the destination slide's index (zero-based) 1281 * 1282 * @param direction (string) 1283 * - INTERNAL USE ONLY - the direction of travel ("prev" / "next") 1284 */ 1285 el.goToSlide = function (slideIndex, direction) { 1286 // if plugin is currently in motion, ignore request 1287 if (slider.working || slider.active.index == slideIndex) return; 1288 // declare that plugin is in motion 1289 slider.working = true; 1290 // store the old index 1291 slider.oldIndex = slider.active.index; 1292 // if slideIndex is less than zero, set active index to last child (this happens during infinite loop) 1293 if (slideIndex < 0) { 1294 slider.active.index = getPagerQty() - 1; 1295 // if slideIndex is greater than children length, set active index to 0 (this happens during infinite loop) 1296 } else if (slideIndex >= getPagerQty()) { 1297 slider.active.index = 0; 1298 // set active index to requested slide 1299 } else { 1300 slider.active.index = slideIndex; 1301 } 1302 // onSlideBefore, onSlideNext, onSlidePrev callbacks 1303 slider.settings.onSlideBefore(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1304 if (direction == 'next') { 1305 slider.settings.onSlideNext(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1306 } else if (direction == 'prev') { 1307 slider.settings.onSlidePrev(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1308 } 1309 // check if last slide 1310 slider.active.last = slider.active.index >= getPagerQty() - 1; 1311 // update the pager with active class 1312 if (slider.settings.pager) updatePagerActive(slider.active.index); 1313 // // check for direction control update 1314 if (slider.settings.controls) updateDirectionControls(); 1315 // if slider is set to mode: "fade" 1316 if (slider.settings.mode == 'fade') { 1317 // if adaptiveHeight is true and next height is different from current height, animate to the new height 1318 if (slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHe
1318ight()) { 1319 slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed); 1320 } 1321 // fade out the visible child and reset its z-index value 1322 slider.children.filter(':visible').fadeOut(slider.settings.speed).css({zIndex: 0}); 1323 // fade in the newly requested slide 1324 slider.children.eq(slider.active.index).css('zIndex', slider.settings.slideZIndex + 1).fadeIn(slider.settings.speed, function () { 1325 $(this).css('zIndex', slider.settings.slideZIndex); 1326 updateAfterSlideTransition(); 1327 }); 1328 // slider mode is not "fade" 1329 } else { 1330 // if adaptiveHeight is true and next height is different from current height, animate to the new height 1331 if (slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHeight()) { 1332 slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed); 1333 } 1334 var moveBy = 0; 1335 var position = {left: 0, top: 0}; 1336 // if carousel and not infinite loop 1337 if (!slider.settings.infiniteLoop && slider.carousel && slider.active.last) { 1338 if (slider.settings.mode == 'horizontal') { 1339 // get the last child position 1340 var lastChild = slider.children.eq(slider.children.length - 1); 1341 position = lastChild.position(); 1342 // calculate the position of the last slide 1343 moveBy = slider.viewport.width() - lastChild.outerWidth(); 1344 } else { 1345 // get last showing index position 1346 var lastShowingIndex = slider.children.length - slider.settings.minSlides; 1347 position = slider.children.eq(lastShowingIndex).position(); 1348 } 1349 // horizontal carousel, going previous while on first slide (infiniteLoop mode) 1350 } else if (slider.carousel && slider.active.last && direction == 'prev') { 1351 // get the last child position 1352 var eq = slider.settings.moveSlides == 1 ? slider.settings.maxSlides - getMoveBy() : ((getPagerQty() - 1) * getMoveBy()) - (slider.children.length - slider.settings.maxSlides); 1353 var lastChild = el.children('.bx-clone').eq(eq); 1354 position = lastChild.position(); 1355 // if infinite loop and "Next" is clicked on the last slide 1356 } else if (direction == 'next' && slider.active.index == 0) { 1357 // get the last clone position 1358 position = el.find('> .bx-clone').eq(slider.settings.maxSlides).position(); 1359 slider.active.last = false; 1360 // normal non-zero requests 1361 } else if (slideIndex >= 0) { 1362 var requestEl = slideIndex * getMoveBy(); 1363 position = slider.children.eq(requestEl).position(); 1364 } 1365 1366 /* If the position doesn't exist 1367 * (e.g. if you destroy the slider on a next click), 1368 * it doesn't throw an error. 1369 */ 1370 if ("undefined" !== typeof(position)) { 1371 var value = slider.settings.mode == 'horizontal' ? -(position.left - moveBy) : -position.top; 1372 // plugin values to be animated 1373 setPositionProperty(value, 'slide', slider.settings.speed); 1374 } 1375 } 1376 } 1377 1378 /** 1379 * Transitions to the next slide in the show 1380 */ 1381 el.goToNextSlide = function () { 1382 // if infiniteLoop is false and last page is showing, disregard call 1383 if (!slider.settings.infiniteLoop && slider.active.last) return; 1384 var pagerIndex = parseInt(slider.active.index) + 1; 1385 el.goToSlide(pagerIndex, 'next'); 1386 } 1387 1388 /** 1389 * Transitions to the prev slide in the show 1390 */ 1391 el.goToPrevSlide = function () { 1392 // if infiniteLoop is false and last page is showing, disregard call 1393 if (!slider.settings.infiniteLoop && slider.active.index == 0) return; 1394 var pagerIndex = parseInt(slider.active.index) - 1; 1395 el.goToSlide(pagerIndex, 'prev'); 1396 } 1397 1398 /** 1399 * Starts the auto show 1400 * 1401 * @param preventControlUpdate (boolean) 1402 * - if true, auto controls state will not be updated 1403 */ 1404 el.startAuto = function (preventControlUpdate) { 1405 // if an interval already exists, disregard call 1406 if (slider.interval) return; 1407 // create an interval 1408 slider.interval = setInterval(function () { 1409 slider.settings.autoDirection == 'next' ? el.goToNextSlide() : el.goToPrevSlide(); 1410 }, slider.settings.pause); 1411 // if auto controls are displayed and preventControlUpdate is not true 1412 if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('stop'); 1413 } 1414 1415 /** 1416 * Stops the auto show 1417 * 1418 * @param preventControlUpdate (boolean) 1419 * - if true, auto controls state will not be updated 1420 */ 1421 el.stopAuto = function (preventControlUpdate) { 1422 // if no interval exists, disregard call 1423 if (!slider.interval) return; 1424 // clear the interval 1425 clearInterval(slider.interval); 1426 slider.interval = null; 1427 // if auto controls are displayed and preventControlUpdate is not true 1428 if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('start'); 1429 } 1430 1431 /** 1432 * Returns current slide index (zero-based) 1433 */ 1434 el.getCurrentSlide = function () { 1435 return slider.active.index; 1436 } 1437 1438 /** 1439 * Returns current slide element 1440 */ 1441 el.getCurrentSlideElement = function () { 1442 return slider.children.eq(slider.active.index); 1443 } 1444 1445 /** 1446 * Returns number of slides in show 1447 */ 1448 el.getSlideCount = function () { 1449 return slider.children.length; 1450 } 1451 1452 /** 1453 * Update all dynamic slider elements 1454 */ 1455 el.redrawSlider = function () { 1456 // resize all children in ratio to new screen size 1457 slider.children.add(el.find('.bx-clone')).width(calcSlideWidthidth()); 1458 // adjust the height
1459 slider.viewport.css('height', getViewportHeight()); 1460 // update the slide position 1461 if (!slider.settings.ticker) setSlidePosition(); 1462 // if active.last was true before the screen resize, we want 1463 // to keep it last no matter what screen size we end on 1464 if (slider.active.last) slider.active.index = getPagerQty() - 1; 1465 // if the active index (page) no longer exists due to the resize, simply set the index as last 1466 if (slider.active.index >= getPagerQty()) slider.active.last = true; 1467 // if a pager is being displayed and a custom pager is not being used, update it 1468 if (slider.settings.pager && !slider.settings.pagerCustom) { 1469 populatePager(); 1470 updatePagerActive(slider.active.index); 1471 } 1472 } 1473 1474 /** 1475 * Destroy the current instance of the slider (revert everything back to original state) 1476 */ 1477 el.destroySlider = function () { 1478 // don't do anything if slider has already been destroyed 1479 if (!slider.initialized) return; 1480 slider.initialized = false; 1481 $('.bx-clone', this).remove(); 1482 slider.children.each(function () { 1483 $(this).data("origStyle") != undefined ? $(this).attr("style", $(this).data("origStyle")) : $(this).removeAttr('style'); 1484 }); 1485 $(this).data("origStyle") != undefined ? this.attr("style", $(this).data("origStyle")) : $(this).removeAttr('style'); 1486 $(this).unwrap().unwrap(); 1487 if (slider.controls.el) slider.controls.el.remove(); 1488 if (slider.controls.next) slider.controls.next.remove(); 1489 if (slider.controls.prev) slider.controls.prev.remove(); 1490 if (slider.pagerEl && slider.settings.controls) slider.pagerEl.remove(); 1491 $('.bx-caption', this).remove(); 1492 if (slider.controls.autoEl) slider.controls.autoEl.remove(); 1493 clearInterval(slider.interval); 1494 if (slider.settings.responsive) $(window).unbind('resize', resizeWindow); 1495 } 1496 1497 /** 1498 * Reload the slider (revert all DOM changes, and re-initialize) 1499 */ 1500 el.reloadSlider = function (settings) { 1501 if (settings != undefined) options = settings; 1502 el.destroySlider(); 1503 init(); 1504 } 1505 1506 /** 1507 * auto reload functionality 1508 */ 1509 $(window).resize(function () { 1510 if (slider.settings.autoReload) { 1511 el.reloadSlider(); 1512 } 1513 }); 1514 1515 init(); 1516 1517 // returns the current jQuery object 1518 return this; 1519 } 1520 1521 /** 1522 * Self calling functionality 1523 * --------------------------------------------------------------------------------------- */ 1524 1525 $('[data-call="bxslider"]').each(function () { 1526 $(this).bxSlider(); 1527 }); 1528 1529 1530})(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.