1/** 2 * Smart Slider 3 * v1.2 4 * this plugin is extended bxslider 5 */ 6 7/** 8 * BxSlider v4.1.2 - Fully loaded, responsive content slider 9 * http://bxslider.com 10 * 11 * Copyright 2014, Steven Wanderski - http://stevenwanderski.com - http://bxcreative.com 12 * Written while drinking Belgian ales and listening to jazz 13 * 14 * Released under the MIT license - http://opensource.org/licenses/MIT 15 */ 16 17; 18(function($) { 19 20 var plugin = {}; 21 22 var defaults = { 23 24 // GENERAL 25 mode: 'horizontal', 26 slideSelector: '', 27 infiniteLoop: true, 28 hideControlOnEnd: false, 29 speed: 500, 30 easing: null, 31 slideMargin: 0, 32 startSlide: 0, 33 randomStart: false, 34 captions: false, 35 ticker: false, 36 tickerHover: false, 37 adaptiveHeight: false, 38 adaptiveHeightSpeed: 500, 39 video: false, 40 useCSS: true, 41 preloadImages: 'visible', 42 responsive: true, 43 slideZIndex: 50, 44 wrapperClass: 'bx-wrapper', 45 46 // TOUCH 47 touchEnabled: true, 48 swipeThreshold: 50, 49 oneToOneTouch: true, 50 preventDefaultSwipeX: true, 51 preventDefaultSwipeY: false, 52 53 // PAGER 54 pager: true, 55 pagerType: 'full', 56 pagerShortSeparator: ' / ', 57 pagerSelector: null, 58 buildPager: null, 59 pagerCustom: null, 60 pagerNumPrefix: '', // [custom] add 61 pagerNumSuffix: 'æç®ã®ã¹ã©ã¤ãã表示', // [custom] add 62 pagerNumPrefixCurrent: '', // [custom] add 63 pagerNumSuffixCurrent: 'æç®ã®ã¹ã©ã¤ãã表示ä¸', // [custom] add 64 65 // CONTROLS 66 controls: true, 67 nextText: '次ã®ã¹ã©ã¤ãã表示', 68 prevText: 'åã®ã¹ã©ã¤ãã表示', 69 nextSelector: null, 70 prevSelector: null, 71 autoControls: false, 72 startText: 'ã¹ã©ã¤ããåç', 73 stopText: 'ã¹ã©ã¤ããåæ¢', 74 autoControlsCombine: false, 75 autoControlsSelector: null, 76 77 // AUTO 78 auto: false, 79 pause: 5000, 80 autoStart: true, 81 autoDirection: 'next', 82 autoHover: false, 83 autoDelay: 0, 84 autoSlideForOnePage: false, 85 86 // CAROUSEL 87 minSlides: 1, 88 maxSlides: 1, 89 moveSlides: 0, 90 slideWidth: 0, 91 92 // CALLBACKS 93 onSliderLoad: function() {}, 94 onSlideBefore: function() {}, 95 onSlideAfter: function() {}, 96 onSlideNext: function() {}, 97 onSlidePrev: function() {}, 98 onSliderResize: function() {}, 99 100 // CUSTOM 101 threshold: 1, 102 pagerCustomClone: null 103 } 104 105 var noSlide = { 106 auto: false, 107 infiniteLoop: false, 108 pager: false, 109 autoControls: false, 110 controls: false 111 } 112 113 var isPrinting = false; 114 window.addEventListener("beforeprint", () => { 115 isPrinting = true; 116 }); 117 window.addEventListener("afterprint", () => { 118 isPrinting = false; 119 }); 120 121 $.fn.smartSlider = function(options) { 122 123 if (this.length == 0) return this; 124 125 // support mutltiple elements 126 if (this.length > 1) { 127 this.each(function() { 128 $(this).smartSlider(options) 129 }); 130 return this; 131 } 132 133 // [custom] return if slider initialized 134 if (this.parent().hasClass('bx-viewport')) return this; 135 136 // create a namespace to be used throughout the plugin 137 var slider = {}; 138 // set a reference to our slider element 139 var el = this; 140 plugin.el = this; 141 142 /** 143 * Makes slideshow responsive 144 */ 145 // first get the original window dimens (thanks alot IE) 146 var windowWidth = $(window).width(); 147 var windowHeight = $(window).height(); 148 149 150 151 /** 152 * =================================================================================== 153 * = PRIVATE FUNCTIONS 154 * =================================================================================== 155 */ 156 157 /** 158 * Initialize for responsive 159 */ 160 var matchMedias = function() { 161 // for pc/sp 162 var pcspMql = window.matchMedia('(max-width: 768px)'); 163 pcspMql.addEventListener('change', setSliderResponsive); 164 165 // for print 166 var printMql = window.matchMedia('print'); 167 printMql.addEventListener('change', function() { 168 if (printMql.matches) { 169 pcspMql.removeEventListener('change', setSliderResponsive); 170 } else { 171 pcspMql.addEventListener('change', setSliderResponsive); 172 } 173 }); 174 175 function setSliderResponsive() { 176 if (pcspMql.matches) { 177 slider.responsive = 'sp'; 178 } else { 179 slider.responsive = 'pc'; 180 } 181 if(!isPrinting){ 182 init(); 183 } 184 } 185 186 setSliderResponsive(); 187 } 188 189 /** 190 * Initializes namespace settings to be used throughout plugin 191 */ 192 var init = function() { 193 // [custom] destroy 194 el.destroySlider(); 195 windowWidth = $(window).width(); 196 windowHeight = $(window).height(); 197 // [custom] merge user-supplied options with the defaults 198 slider.settings = $.extend({}, defaults, options); 199 // parse slideWidth setting 200 slider.settings.slideWidth = parseInt(slider.settings.slideWidth);
201 // store the original children 202 slider.children = el.children(slider.settings.slideSelector); 203 // [custom] merge responsive options 204 if (options[slider.responsive]) slider.settings = $.extend({}, slider.settings, options[slider.responsive]); 205 // [custom] if threshold===0, slider destroy 206 if (slider.settings.threshold === 0) { 207 el.destroySlider(); 208 return el; 209 } 210 // [custom] check if actual number of slides is less than threshold 211 if (slider.children.length <= slider.settings.threshold) slider.settings = $.extend({}, slider.settings, noSlide); 212 // check if actual number of slides is less than minSlides / maxSlides 213 if (slider.children.length < slider.settings.minSlides) slider.settings.minSlides = slider.children.length; 214 if (slider.children.length < slider.settings.maxSlides) slider.settings.maxSlides = slider.children.length; 215 // if random start, set the startSlide setting to random number 216 if (slider.settings.randomStart) slider.settings.startSlide = Math.floor(Math.random() * slider.children.length); 217 // store active slide information 218 slider.active = { 219 index: slider.settings.startSlide 220 } 221 // store if the slider is in carousel mode (displaying / moving multiple slides) 222 slider.carousel = slider.settings.minSlides > 1 || slider.settings.maxSlides > 1; 223 // if carousel, force preloadImages = 'all' 224 if (slider.carousel) slider.settings.preloadImages = 'all'; 225 // calculate the min / max width thresholds based on min / max number of slides 226 // used to setup and update carousel slides dimensions 227 slider.minThreshold = (slider.settings.minSlides * slider.settings.slideWidth) + ((slider.settings.minSlides - 1) * slider.settings.slideMargin); 228 slider.maxThreshold = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin); 229 // store the current state of the slider (if currently animating, working is true) 230 slider.working = false; 231 // initialize the controls object 232 slider.controls = {}; 233 // initialize an auto interval 234 slider.interval = null; 235 // determine which property to use for transitions 236 slider.animProp = slider.settings.mode == 'vertical' ? 'top' : 'left'; 237 // determine if hardware acceleration can be used 238 slider.usingCSS = slider.settings.useCSS && slider.settings.mode != 'fade' && (function() { 239 // create our test div element 240 var div = document.createElement('div'); 241 // css transition properties 242 var props = ['WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective']; 243 // test for each property 244 for (var i in props) { 245 if (div.style[props[i]] !== undefined) { 246 slider.cssPrefix = props[i].replace('Perspective', '').toLowerCase(); 247 slider.animProp = '-' + slider.cssPrefix + '-transform'; 248 return true; 249 } 250 } 251 return false; 252 }()); 253 // if vertical mode always make maxSlides and minSlides equal 254 if (slider.settings.mode == 'vertical') slider.settings.maxSlides = slider.settings.minSlides; 255 // save original style data 256 el.data("origStyle", el.attr("style")); 257 el.children(slider.settings.slideSelector).each(function() { 258 $(this).data("origStyle", $(this).attr("style")); 259 }); 260 // perform all DOM / CSS modifications 261 setup(); 262 } 263 264 /** 265 * Performs all DOM and CSS modifications 266 */ 267 var setup = function() { 268 // wrap el in a wrapper 269 el.wrap('<div class="' + slider.settings.wrapperClass + '"><div class="bx-viewport"></div></div>'); 270 // store a namspace reference to .bx-viewport 271 slider.viewport = el.parent(); 272 // add a loading div to display while images are loading 273 slider.loader = $('<div class="bx-loading" />'); 274 slider.viewport.prepend(slider.loader); 275 // set el to a massive width, to hold any needed slides 276 // also strip any margin and padding from el 277 el.css({ 278 width: slider.settings.mode == 'horizontal' ? (slider.children.length * 100 * 3 + 215) + '%' : 'auto', 279 position: 'relative' 280 }); 281 // if using CSS, add the easing property 282 if (slider.usingCSS && slider.settings.easing) { 283 el.css('-' + slider.cssPrefix + '-transition-timing-function', slider.settings.easing); 284 // if not using CSS and no easing value was supplied, use the default JS animation easing (swing) 285 } else if (!slider.settings.easing) { 286 slider.settings.easing = 'swing'; 287 } 288 var slidesShowing = getNumberSlidesShowing(); 289 // make modifications to the viewport (.bx-viewport) 290 slider.viewport.css({ 291 width: '100%', 292 overflow: 'hidden', 293 position: 'relative' 294 }); 295 slider.viewport.parent().css({ 296 maxWidth: getViewportMaxWidth() 297 }); 298 // make modification to the wrapper (.bx-wrapper) 299 if (!slider.settings.pager) { 300 slider.viewport.parent().css({ 301 margin: '0 auto 0px' 302 }); 303 } 304 // apply css to all slider children 305 slider.children.css({ 306 'float': slider.settings.mode == 'horizontal' ? 'left' : 'none', 307 listStyle: 'none', 308 position: 'relative' 309 }); 310 // apply the calculated width after the float is applied to prevent scrollbar interference 311 slider.children.css('width', getSlideWidth()); 312 // if slideMargin is supplied, add the css 313 if (slider.settings.mode == 'horizontal' && slider.settings.slideMargin > 0) slider.children.css('marginRight', slider.settings.slideMargin); 314 if (slider.settings.mode == 'vertical' && slider.settings.slideMargin > 0) slider.children.css('marginBottom', slider.settings.slideMargin); 315 // if "fade" mode, add positioning and z-index CSS 316 if (slider.settings.mode == 'fade') { 317 slider.children.css({ 318 position: 'absolute', 319 zIndex: 0, 320 display: 'none' 321 }); 322 // prepare the z-index on the showing element 323 slider.children.eq(slider.settings.startSlide).css({ 324 zIndex: slider.settings.slideZIndex, 325 display: 'block' 326 }); 327 } 328 // [custom] add accessiblity 329 slider.children.attr({ 330 'aria-hidden': 'true', 331 'role': 'tabpanel', 332 }).find('a').attr({ 333 'tabindex': -1 334 }); 335 // [custom] add visually-hidden 336 slider.children.each(function(index) { 337 var sliderItemName = (index + 1) + 'æç®ã®ã¹ã©ã¤ã'; 338 var $itemName = $().add($('<p>')) 339 .addClass('visually-hidden') 340 .text(sliderItemName);
341 $itemName.prependTo($(this)); 342 }); 343 // create an element to contain all slider controls (pager, start / stop, etc) 344 slider.controls.el = $('<div class="bx-controls" />'); 345 // if captions are requested, add them 346 if (slider.settings.captions) appendCaptions(); 347 // check if startSlide is last slide 348 slider.active.last = slider.settings.startSlide == getPagerQty() - 1; 349 // if video is true, set up the fitVids plugin 350 if (slider.settings.video) el.fitVids(); 351 // set the default preload selector (visible) 352 var preloadSelector = slider.children.eq(slider.settings.startSlide); 353 if (slider.settings.preloadImages == "all") preloadSelector = slider.children; 354 // only check for control addition if not in "ticker" mode 355 if (!slider.settings.ticker) { 356 // if pager is requested, add it 357 if (slider.settings.pager) appendPager(); 358 // if controls are requested, add them 359 if (slider.settings.controls) appendControls(); 360 // if auto is true, and auto controls are requested, add them 361 if (slider.settings.auto && slider.settings.autoControls) appendControlsAuto(); 362 // if any control option is requested, add the controls wrapper 363 if (slider.settings.controls || slider.settings.autoControls || slider.settings.pager) slider.viewport.after(slider.controls.el); 364 // if ticker mode, do not allow a pager 365 } else { 366 slider.settings.pager = false; 367 } 368 // preload all images, then perform final DOM / CSS modifications that depend on images being loaded 369 loadElements(preloadSelector, start); 370 } 371 372 var loadElements = function(selector, callback) { 373 var total = selector.find('img, iframe').length; 374 if (total == 0) { 375 callback(); 376 return; 377 } 378 var count = 0; 379 selector.find('img, iframe').each(function() { 380 $(this).one('load', function() { 381 if (++count == total) callback(); 382 }).each(function() { 383 if (this.complete) $(this).load(); 384 }); 385 }); 386 } 387 388 /** 389 * Start the slider 390 */ 391 var start = function() { 392 // if infinite loop, prepare additional slides 393 if (slider.settings.infiniteLoop && slider.settings.mode != 'fade' && !slider.settings.ticker) { 394 var slice = slider.settings.mode == 'vertical' ? slider.settings.minSlides : slider.settings.maxSlides; 395 // var sliceAppend = slider.children.slice(0, slice).clone().addClass('bx-clone'); 396 // var slicePrepend = slider.children.slice(-slice).clone().addClass('bx-clone'); 397 var sliceAppend = slider.children.clone().addClass('bx-clone'); 398 var slicePrepend = slider.children.clone().addClass('bx-clone'); 399 el.append(sliceAppend).prepend(slicePrepend); 400 } 401 // remove the loading DOM element 402 slider.loader.remove(); 403 // set the left / top position of "el" 404 setSlidePosition(); 405 // if "vertical" mode, always use adaptiveHeight to prevent odd behavior 406 if (slider.settings.mode == 'vertical') slider.settings.adaptiveHeight = true; 407 // set the viewport height 408 slider.viewport.height(getViewportHeight()); 409 // make sure everything is positioned just right (same as a window resize) 410 el.redrawSlider(); 411 // onSliderLoad callback 412 slider.settings.onSliderLoad(slider.active.index); 413 // slider has been fully initialized 414 slider.initialized = true; 415 // bind the resize call to the window 416 if (slider.settings.responsive) $(window).bind('resize', resizeWindow); 417 // if auto is true and has more than 1 page, start the show 418 if (slider.settings.auto && slider.settings.autoStart && (getPagerQty() > 1 || slider.settings.autoSlideForOnePage)) initAuto(); 419 // if ticker is true, start the ticker 420 if (slider.settings.ticker) initTicker(); 421 // if pager is requested, make the appropriate pager link active 422 if (slider.settings.pager) updatePagerActive(slider.settings.startSlide); 423 // check for any updates to the controls (like hideControlOnEnd updates) 424 if (slider.settings.controls) updateDirectionControls(); 425 // if touchEnabled is true, setup the touch events 426 if (slider.settings.touchEnabled && !slider.settings.ticker) initTouch(); 427 } 428 429 /** 430 * Returns the calculated height of the viewport, used to determine either adaptiveHeight or the maxHeight value 431 */
432 var getViewportHeight = function() { 433 var height = 0; 434 // first determine which children (slides) should be used in our height calculation 435 var children = $(); 436 // if mode is not "vertical" and adaptiveHeight is false, include all children 437 if (slider.settings.mode != 'vertical' && !slider.settings.adaptiveHeight) { 438 children = slider.children; 439 } else { 440 // if not carousel, return the single active child 441 if (!slider.carousel) { 442 children = slider.children.eq(slider.active.index); 443 // if carousel, return a slice of children 444 } else { 445 // get the individual slide index 446 var currentIndex = slider.settings.moveSlides == 1 ? slider.active.index : slider.active.index * getMoveBy(); 447 // add the current slide to the children 448 children = slider.children.eq(currentIndex); 449 // cycle through the remaining "showing" slides 450 for (i = 1; i <= slider.settings.maxSlides - 1; i++) { 451 // if looped back to the start 452 if (currentIndex + i >= slider.children.length) { 453 children = children.add(slider.children.eq(i - 1)); 454 } else { 455 children = children.add(slider.children.eq(currentIndex + i)); 456 } 457 } 458 } 459 } 460 // if "vertical" mode, calculate the sum of the heights of the children 461 if (slider.settings.mode == 'vertical') { 462 children.each(function(index) { 463 height += $(this).outerHeight(); 464 }); 465 // add user-supplied margins 466 if (slider.settings.slideMargin > 0) { 467 height += slider.settings.slideMargin * (slider.settings.minSlides - 1); 468 } 469 // if not "vertical" mode, calculate the max height of the children 470 } else { 471 height = Math.max.apply(Math, children.map(function() { 472 return $(this).outerHeight(false); 473 }).get()); 474 } 475 476 if (slider.viewport.css('box-sizing') == 'border-box') { 477 height += parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom')) + 478 parseFloat(slider.viewport.css('border-top-width')) + parseFloat(slider.viewport.css('border-bottom-width')); 479 } else if (slider.viewport.css('box-sizing') == 'padding-box') { 480 height += parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom')); 481 } 482 483 return height; 484 } 485 486 /** 487 * Returns the calculated width to be used for the outer wrapper / viewport 488 */ 489 var getViewportMaxWidth = function() { 490 var width = '100%'; 491 if (slider.settings.slideWidth > 0) { 492 if (slider.settings.mode == 'horizontal') { 493 width = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin); 494 } else { 495 width = slider.settings.slideWidth; 496 } 497 } 498 return width; 499 } 500 501 /** 502 * Returns the calculated width to be applied to each slide 503 */ 504 var getSlideWidth = function() { 505 // start with any user-supplied slide width 506 var newElWidth = slider.settings.slideWidth; 507 // get the current viewport width 508 var wrapWidth = slider.viewport.width(); 509 // if slide width was not supplied, or is larger than the viewport use the viewport width 510 if (slider.settings.slideWidth == 0 || 511 (slider.settings.slideWidth > wrapWidth && !slider.carousel) || 512 slider.settings.mode == 'vertical') { 513 newElWidth = wrapWidth; 514 // if carousel, use the thresholds to determine the width 515 } else if (slider.settings.maxSlides > 1 && slider.settings.mode == 'horizontal') { 516 if (wrapWidth > slider.maxThreshold) { 517 // newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.maxSlides - 1))) / slider.settings.maxSlides; 518 } else if (wrapWidth < slider.minThreshold) { 519 newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.minSlides - 1))) / slider.settings.minSlides; 520 } 521 } 522 return newElWidth; 523 } 524 525 /** 526 * Returns the number of slides currently visible in the viewport (includes partially visible slides) 527 */ 528 var getNumberSlidesShowing = function() { 529 var slidesShowing = 1; 530 if (slider.settings.mode == 'horizontal' && slider.settings.slideWidth > 0) { 531 // if viewport is smaller than minThreshold, return minSlides 532 if (slider.viewport.width() < slider.minThreshold) { 533 slidesShowing = slider.settings.minSlides; 534 // if viewport is larger than minThreshold, return maxSlides 535 } else if (slider.viewport.width() > slider.maxThreshold) { 536 slidesShowing = slider.settings.maxSlides; 537 // if viewport is between min / max thresholds, divide viewport width by first child width 538 } else { 539 var firstWidth = slider.children.first().width(); 540 var viewportWidth = slider.viewport.width(); 541 if(firstWidth > viewportWidth) { 542 firstWidth = viewportWidth; 543 } 544 var childWidth = firstWidth + slider.settings.slideMargin; 545 slidesShowing = Math.floor((slider.viewport.width() + 546 slider.settings.slideMargin) / childWidth); 547 } 548 // if "vertical" mode, slides showing will always be minSlides 549 } else if (slider.settings.mode == 'vertical') { 550 slidesShowing = slider.settings.minSlides; 551 } 552 return slidesShowing; 553 } 554 555 /** 556 * Returns the number of pages (one full viewport of slides is one "page") 557 */ 558 var getPagerQty = function() { 559 var pagerQty = 0; 560 // if moveSlides is specified by the user 561 if (slider.settings.moveSlides > 0) { 562 if (slider.settings.infiniteLoop) { 563 pagerQty = Math.ceil(slider.children.length / getMoveBy()); 564 } else { 565 // use a while loop to determine pages 566 var breakPoint = 0; 567 var counter = 0 568 // when breakpoint goes above children length, counter is the number of pages 569 while (breakPoint < slider.children.length) { 570 ++pagerQty; 571 breakPoint = counter + getNumberSlidesShowing(); 572 counter += slider.settings.moveSlides <= getNumberSlidesShowing() ? slider.settings.moveSlides : getNumberSlidesShowing(); 573 } 574 }
575 // if moveSlides is 0 (auto) divide children length by sides showing, then round up 576 } else { 577 pagerQty = Math.ceil(slider.children.length / getNumberSlidesShowing()); 578 } 579 return pagerQty; 580 } 581 582 /** 583 * Returns the number of indivual slides by which to shift the slider 584 */ 585 var getMoveBy = function() { 586 // if moveSlides was set by the user and moveSlides is less than number of slides showing 587 if (slider.settings.moveSlides > 0 && slider.settings.moveSlides <= getNumberSlidesShowing()) { 588 return slider.settings.moveSlides; 589 } 590 // if moveSlides is 0 (auto) 591 return getNumberSlidesShowing(); 592 } 593 594 /** 595 * Sets the slider's (el) left or top position 596 */ 597 var setSlidePosition = function() { 598 // if last slide, not infinite loop, and number of children is larger than specified maxSlides 599 if (slider.children.length > slider.settings.maxSlides && slider.active.last && !slider.settings.infiniteLoop) { 600 if (slider.settings.mode == 'horizontal') { 601 // get the last child's position 602 var lastChild = slider.children.last(); 603 var position = lastChild.position(); 604 // set the left position 605 setPositionProperty(-(position.left - (slider.viewport.width() - lastChild.outerWidth())), 'reset', 0); 606 } else if (slider.settings.mode == 'vertical') { 607 // get the last showing index's position 608 var lastShowingIndex = slider.children.length - slider.settings.minSlides; 609 var position = slider.children.eq(lastShowingIndex).position(); 610 // set the top position 611 setPositionProperty(-position.top, 'reset', 0); 612 } 613 // if not last slide 614 } else { 615 // get the position of the first showing slide 616 var position = slider.children.eq(slider.active.index * getMoveBy()).position(); 617 // check for last slide 618 if (slider.active.index == getPagerQty() - 1) slider.active.last = true; 619 // set the repective position 620 if (position != undefined) { 621 if (slider.settings.mode == 'horizontal') setPositionProperty(-position.left, 'reset', 0); 622 else if (slider.settings.mode == 'vertical') setPositionProperty(-position.top, 'reset', 0); 623 } 624 } 625 } 626 627 /** 628 * Sets the el's animating property position (which in turn will sometimes animate el). 629 * If using CSS, sets the transform property. If not using CSS, sets the top / left property. 630 * 631 * @param value (int) 632 * - the animating property's value 633 * 634 * @param type (string) 'slider', 'reset', 'ticker' 635 * - the type of instance for which the function is being 636 * 637 * @param duration (int) 638 * - the amount of time (in ms) the transition should occupy 639 * 640 * @param params (array) optional 641 * - an optional parameter containing any variables that need to be passed in 642 */ 643 var setPositionProperty = function(value, type, duration, params) { 644 // use CSS transform 645 if (slider.usingCSS) { 646 // determine the translate3d value 647 var propValue = slider.settings.mode == 'vertical' ? 'translate3d(0, ' + value + 'px, 0)' : 'translate3d(' + value + 'px, 0, 0)'; 648 // add the CSS transition-duration 649 el.css('-' + slider.cssPrefix + '-transition-duration', duration / 1000 + 's'); 650 if (type == 'slide') { 651 // set the property value 652 el.css(slider.animProp, propValue); 653 // bind a callback method - executes when CSS transition completes 654 el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function() { 655 // unbind the callback 656 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd'); 657 updateAfterSlideTransition(); 658 }); 659 } else if (type == 'reset') { 660 el.css(slider.animProp, propValue); 661 } else if (type == 'ticker') { 662 // make the transition use 'linear' 663 el.css('-' + slider.cssPrefix + '-transition-timing-function', 'linear'); 664 el.css(slider.animProp, propValue); 665 // bind a callback method - executes when CSS transition completes 666 el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function() { 667 // unbind the callback 668 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd'); 669 // reset the position 670 setPositionProperty(params['resetValue'], 'reset', 0); 671 // start the loop again 672 tickerLoop(); 673 }); 674 } 675 // use JS animate 676 } else { 677 var animateObj = {}; 678 animateObj[slider.animProp] = value; 679 if (type == 'slide') { 680 el.animate(animateObj, duration, slider.settings.easing, function() { 681 updateAfterSlideTransition(); 682 }); 683 } else if (type == 'reset') { 684 el.css(slider.animProp, value) 685 } else if (type == 'ticker') { 686 el.animate(animateObj, speed, 'linear', function() { 687 setPositionProperty(params['resetValue'], 'reset', 0); 688 // run the recursive loop after animation 689 tickerLoop(); 690 }); 691 } 692 } 693 } 694 695 /** 696 * Populates the pager with proper amount of pages 697 */ 698 var populatePager = function() { 699 var pagerHtml = ''; 700 var pagerQty = getPagerQty(); 701 // loop through each pager item 702 // [custom] ol li 703 pagerHtml += '<ol class="bx-pager-list" role="tablist">'; 704 for (var i = 0; i < pagerQty; i++) { 705 var linkContent = pagerText(i); 706 // var linkContent = slider.settings.buildPager && $.isFunction(slider.settings.buildPager) ? slider.settings.buildPager(i) : i + 1; 707 // add the markup to the string 708 pagerHtml += '<li class="bx-pager-item">
708<button data-slide-index="' + i + '" class="bx-pager-link" role="tab">' + linkContent + '</button></li>'; 709 }; 710 pagerHtml += '</ol>'; 711 // populate the pager element with pager links 712 slider.pagerEl.html(pagerHtml); 713 } 714 715 /** 716 * [custom] pager text 717 */ 718 var pagerText = function(i, is_current) { 719 is_current ? is_current : false; 720 var linkContent = ''; 721 // if a buildPager function is supplied, use it to get pager link value, else use index + 1 722 if (slider.settings.buildPager && $.isFunction(slider.settings.buildPager)) { 723 linkContent = slider.settings.buildPager(i); 724 slider.pagerEl.addClass('bx-custom-pager'); 725 } else { 726 linkContent = i + 1; 727 slider.pagerEl.addClass('bx-default-pager'); 728 } 729 // [custom] pager text customize 730 if(is_current) { 731 linkContent = slider.settings.pagerNumPrefixCurrent + linkContent + slider.settings.pagerNumSuffixCurrent; 732 } else { 733 linkContent = slider.settings.pagerNumPrefix + linkContent + slider.settings.pagerNumSuffix; 734 } 735 return linkContent; 736 } 737 738 /** 739 * Appends the pager to the controls element 740 */ 741 var appendPager = function() { 742 if (!slider.settings.pagerCustom) { 743 // create the pager DOM element 744 slider.pagerEl = $('<div class="bx-pager" />'); 745 // if a pager selector was supplied, populate it with the pager 746 if (slider.settings.pagerSelector) { 747 $(slider.settings.pagerSelector).html(slider.pagerEl); 748 // if no pager selector was supplied, add it after the wrapper 749 } else { 750 slider.controls.el.addClass('bx-has-pager').append(slider.pagerEl); 751 } 752 // populate the pager 753 populatePager(); 754 } else { 755 slider.pagerEl = $(slider.settings.pagerCustom); 756 slider.settings.pagerCustomClone = $(slider.settings.pagerCustom).clone(); 757 } 758 // assign the pager click binding 759 slider.pagerEl.on('click', 'button', clickPagerBind); 760 } 761 762 /** 763 * Appends prev / next controls to the controls element 764 */ 765 var appendControls = function() { 766 slider.controls.next = $('<button type="button" class="bx-next">' + slider.settings.nextText + '</button>'); 767 slider.controls.prev = $('<button type="button" class="bx-prev">' + slider.settings.prevText + '</button>'); 768 // bind click actions to the controls 769 slider.controls.next.bind('click', clickNextBind); 770 slider.controls.prev.bind('click', clickPrevBind); 771 // if nextSlector was supplied, populate it 772 if (slider.settings.nextSelector) { 773 $(slider.settings.nextSelector).append(slider.controls.next); 774 } 775 // if prevSlector was supplied, populate it 776 if (slider.settings.prevSelector) { 777 $(slider.settings.prevSelector).append(slider.controls.prev); 778 } 779 // if no custom selectors were supplied 780 if (!slider.settings.nextSelector && !slider.settings.prevSelector) { 781 // add the controls to the DOM 782 slider.controls.directionEl = $('<div class="bx-controls-direction" />'); 783 // add the control elements to the directionEl 784 slider.controls.directionEl.append(slider.controls.prev).append(slider.controls.next); 785 // slider.viewport.append(slider.controls.directionEl); 786 slider.controls.el.addClass('bx-has-controls-direction').append(slider.controls.directionEl); 787 } 788 } 789 790 /** 791 * Appends start / stop auto controls to the controls element 792 */ 793 var appendControlsAuto = function() { 794 slider.controls.start = $('<div class="bx-controls-auto-item"><button type="button" class="bx-start" aria-pressed="false">' + slider.settings.startText + '</button></div>'); 795 slider.controls.stop = $('<div class="bx-controls-auto-item"><button type="button" class="bx-stop" aria-pressed="true">' + slider.settings.stopText + '</button></div>'); 796 // add the controls to the DOM
797 slider.controls.autoEl = $('<div class="bx-controls-auto" />'); 798 // bind click actions to the controls 799 slider.controls.autoEl.on('click', '.bx-start', clickStartBind); 800 slider.controls.autoEl.on('click', '.bx-stop', clickStopBind); 801 // if autoControlsCombine, insert only the "start" control 802 if (slider.settings.autoControlsCombine) { 803 slider.controls.autoEl.append(slider.controls.start); 804 // if autoControlsCombine is false, insert both controls 805 } else { 806 slider.controls.autoEl.append(slider.controls.start).append(slider.controls.stop); 807 } 808 // if auto controls selector was supplied, populate it with the controls 809 if (slider.settings.autoControlsSelector) { 810 $(slider.settings.autoControlsSelector).html(slider.controls.autoEl); 811 // if auto controls selector was not supplied, add it after the wrapper 812 } else { 813 slider.controls.el.addClass('bx-has-controls-auto').append(slider.controls.autoEl); 814 } 815 // update the auto controls
816 updateAutoControls(slider.settings.autoStart ? 'stop' : 'start'); 817 } 818 819 /** 820 * Appends image captions to the DOM 821 */ 822 var appendCaptions = function() { 823 // cycle through each child 824 slider.children.each(function(index) { 825 // get the image title attribute 826 var title = $(this).find('img:first').attr('title'); 827 // append the caption 828 if (title != undefined && ('' + title).length) { 829 $(this).append('<div class="bx-caption"><span>' + title + '</span></div>'); 830 } 831 }); 832 } 833 834 /** 835 * Click next binding 836 * 837 * @param e (event) 838 * - DOM event object 839 */ 840 var clickNextBind = function(e) { 841 // if auto show is running, stop it 842 if (slider.settings.auto) el.stopAuto(); 843 el.goToNextSlide(); 844 e.preventDefault(); 845 } 846 847 /** 848 * Click prev binding 849 * 850 * @param e (event) 851 * - DOM event object 852 */ 853 var clickPrevBind = function(e) { 854 // if auto show is running, stop it 855 if (slider.settings.auto) el.stopAuto(); 856 el.goToPrevSlide(); 857 e.preventDefault(); 858 } 859 860 /** 861 * Click start binding 862 * 863 * @param e (event) 864 * - DOM event object 865 */ 866 var clickStartBind = function(e) { 867 el.startAuto(); 868 e.preventDefault(); 869 } 870 871 /** 872 * Click stop binding 873 * 874 * @param e (event) 875 * - DOM event object 876 */ 877 var clickStopBind = function(e) { 878 el.stopAuto(); 879 e.preventDefault(); 880 } 881 882 /** 883 * Click pager binding 884 * 885 * @param e (event) 886 * - DOM event object 887 */ 888 var clickPagerBind = function(e) { 889 // if auto show is running, stop it 890 if (slider.settings.auto) el.stopAuto(); 891 var pagerLink = $(e.currentTarget); 892 if (pagerLink.attr('data-slide-index') !== undefined) { 893 var pagerIndex = parseInt(pagerLink.attr('data-slide-index')); 894 // if clicked pager link is not active, continue with the goToSlide call 895 if (pagerIndex != slider.active.index) el.goToSlide(pagerIndex); 896 e.preventDefault(); 897 } 898 } 899 900 /** 901 * Updates the pager links with an active class 902 * 903 * @param slideIndex (int) 904 * - index of slide to make active 905 */ 906 var updatePagerActive = function(slideIndex) { 907 // if "short" pager type 908 var len = slider.children.length; // nb of children 909 if (slider.settings.pagerType == 'short') { 910 if (slider.settings.maxSlides > 1) { 911 len = Math.ceil(slider.children.length / slider.settings.maxSlides); 912 } 913 slider.pagerEl.html((slideIndex + 1) + slider.settings.pagerShortSeparator + len); 914 return; 915 } 916 // remove all pager active classes 917 // slider.pagerEl.find('button').removeClass('active').attr('aria-selected', 'false'); 918 // apply the active class for all pagers 919 slider.pagerEl.each(function(i, el) { 920 $(el).find('button').each(function(i, el) { 921 $(el).removeClass('active').attr('aria-selected', 'false'); 922 if (!slider.settings.pagerCustom) { 923 $(el).text(pagerText(i)); 924 } 925 }); 926 $(el).find('button').eq(slideIndex).addClass('active').attr('aria-selected', 'true'); 927 if (!slider.settings.pagerCustom) { 928 $(el).find('button').eq(slideIndex).text(pagerText(slideIndex, true)); 929 } 930 }); 931 } 932 933 /** 934 * Performs needed actions after a slide transition 935 */ 936 var updateAfterSlideTransition = function() { 937 // if infinte loop is true 938 if (slider.settings.infiniteLoop) { 939 var position = ''; 940 // first slide 941 if (slider.active.index == 0) { 942 // set the new position 943 position = slider.children.eq(0).position(); 944 // carousel, last slide 945 } else if (slider.active.index == getPagerQty() - 1 && slider.carousel) { 946 position = slider.children.eq((getPagerQty() - 1) * getMoveBy()).position(); 947 // last slide 948 } else if (slider.active.index == slider.children.length - 1) { 949 position = slider.children.eq(slider.children.length - 1).position(); 950 } 951 if (position) { 952 if (slider.settings.mode == 'horizontal') { 953 setPositionProperty(-position.left, 'reset', 0); 954 } else if (slider.settings.mode == 'vertical') { 955 setPositionProperty(-position.top, 'reset', 0); 956 } 957 } 958 } 959 // declare that the transition is complete 960 slider.working = false; 961 // onSlideAfter callback 962 slider.settings.onSlideAfter(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 963 // [custom] update children 964 updateChildren(slider.active.index); 965 } 966 967 /** 968 * Updates the auto controls state (either active, or combined switch) 969 * 970 * @param state (string) "start", "stop" 971 * - the new state of the auto show 972 */ 973 var updateAutoControls = function(state) { 974 // if autoControlsCombine is true, replace the current control with the new state 975 if (slider.settings.autoControlsCombine) { 976 slider.controls.autoEl.html(slider.controls[state]); 977 // if autoControlsCombine is false, apply the "active" class to the appropriate control 978 } else { 979 slider.controls.autoEl.find('button').removeClass('active');
980 slider.controls.autoEl.find('button:not(.bx-' + state + ')').addClass('active'); 981 } 982 } 983 984 /** 985 * Updates the direction controls (checks if either should be hidden) 986 */ 987 var updateDirectionControls = function() { 988 if (getPagerQty() == 1) { 989 slider.controls.prev.addClass('disabled'); 990 slider.controls.next.addClass('disabled'); 991 } else if (!slider.settings.infiniteLoop && slider.settings.hideControlOnEnd) { 992 // if first slide 993 if (slider.active.index == 0) { 994 slider.controls.prev.addClass('disabled'); 995 slider.controls.next.removeClass('disabled'); 996 // if last slide 997 } else if (slider.active.index == getPagerQty() - 1) { 998 slider.controls.next.addClass('disabled'); 999 slider.controls.prev.removeClass('disabled'); 1000 // if any slide in the middle 1001 } else { 1002 slider.controls.prev.removeClass('disabled'); 1003 slider.controls.next.removeClass('disabled'); 1004 } 1005 } 1006 } 1007 1008 /** 1009 * Initialzes the auto process 1010 */ 1011 var initAuto = function() { 1012 // if autoDelay was supplied, launch the auto show using a setTimeout() call 1013 if (slider.settings.autoDelay > 0) { 1014 var timeout = setTimeout(el.startAuto, slider.settings.autoDelay); 1015 // if autoDelay was not supplied, start the auto show normally 1016 } else { 1017 el.startAuto(); 1018 } 1019 // if autoHover is requested 1020 if (slider.settings.autoHover) { 1021 // on el hover 1022 el.hover(function() { 1023 // if the auto show is currently playing (has an active interval) 1024 if (slider.interval) { 1025 // stop the auto show and pass true agument which will prevent control update 1026 el.stopAuto(true); 1027 // create a new autoPaused value which will be used by the relative "mouseout" event 1028 slider.autoPaused = true; 1029 } 1030 }, function() { 1031 // if the autoPaused value was created be the prior "mouseover" event 1032 if (slider.autoPaused) { 1033 // start the auto show and pass true agument which will prevent control update 1034 el.startAuto(true); 1035 // reset the autoPaused value 1036 slider.autoPaused = null; 1037 } 1038 }); 1039 } 1040 } 1041 1042 /** 1043 * Initialzes the ticker process 1044 */ 1045 var initTicker = function() { 1046 var startPosition = 0; 1047 // if autoDirection is "next", append a clone of the entire slider 1048 if (slider.settings.autoDirection == 'next') { 1049 el.append(slider.children.clone().addClass('bx-clone')); 1050 // if autoDirection is "prev", prepend a clone of the entire slider, and set the left position 1051 } else { 1052 el.prepend(slider.children.clone().addClass('bx-clone')); 1053 var position = slider.children.first().position(); 1054 startPosition = slider.settings.mode == 'horizontal' ? -position.left : -position.top; 1055 } 1056 setPositionProperty(startPosition, 'reset', 0); 1057 // do not allow controls in ticker mode 1058 slider.settings.pager = false; 1059 slider.settings.controls = false; 1060 slider.settings.autoControls = false; 1061 // if autoHover is requested 1062 if (slider.settings.tickerHover && !slider.usingCSS) { 1063 // on el hover 1064 slider.viewport.hover(function() { 1065 el.stop(); 1066 }, function() { 1067 // calculate the total width of children (used to calculate the speed ratio) 1068 var totalDimens = 0; 1069 slider.children.each(function(index) { 1070 totalDimens += slider.settings.mode == 'horizontal' ? $(this).outerWidth(true) : $(this).outerHeight(true); 1071 }); 1072 // calculate the speed ratio (used to determine the new speed to finish the paused animation) 1073 var ratio = slider.settings.speed / totalDimens; 1074 // determine which property to use 1075 var property = slider.settings.mode == 'horizontal' ? 'left' : 'top'; 1076 // calculate the new speed 1077 var newSpeed = ratio * (totalDimens - (Math.abs(parseInt(el.css(property))))); 1078 tickerLoop(newSpeed); 1079 }); 1080 } 1081 // start the ticker loop 1082 tickerLoop(); 1083 } 1084 1085 /** 1086 * Runs a continuous loop, news ticker-style 1087 */ 1088 var tickerLoop = function(resumeSpeed) { 1089 speed = resumeSpeed ? resumeSpeed : slider.settings.speed; 1090 var position = { 1091 left: 0, 1092 top: 0 1093 }; 1094 var reset = { 1095 left: 0, 1096 top: 0 1097 }; 1098 // if "next" animate left position to last child, then reset left to 0 1099 if (slider.settings.autoDirection == 'next') { 1100 position = el.find('.bx-clone').first().position(); 1101 // if "prev" animate left position to 0, then reset left to first non-clone child 1102 } else { 1103 reset = slider.children.first().position(); 1104 } 1105 var animateProperty = slider.settings.mode == 'horizontal' ? -position.left : -position.top; 1106 var resetValue = slider.settings.mode == 'horizontal' ? -reset.left : -reset.top; 1107 var params = { 1108 resetValue: resetValue 1109 }; 1110 setPositionProperty(animateProperty, 'ticker', speed, params); 1111 } 1112 1113 /** 1114 * Initializes touch events 1115 */ 1116 var initTouch = function() { 1117 // initialize object to contain all touch values 1118 slider.touch = { 1119 start: { 1120 x: 0, 1121 y: 0 1122 }, 1123 end: { 1124 x: 0, 1125 y: 0 1126 } 1127 } 1128 slider.viewport.bind('touchstart', onTouchStart); 1129 } 1130 1131 /** 1132 * Event handler for "touchstart" 1133 * 1134 * @param e (event) 1135 * - DOM event object 1136 */ 1137 var onTouchStart = function(e) { 1138 if (slider.working) { 1139 e.preventDefault(); 1140 } else { 1141 // record the original position when touch starts 1142 slider.touch.originalPos = el.position(); 1143 var orig = e.originalEvent; 1144 // record the starting touch x, y coordinates
1145 slider.touch.start.x = orig.changedTouches[0].pageX; 1146 slider.touch.start.y = orig.changedTouches[0].pageY; 1147 // bind a "touchmove" event to the viewport 1148 slider.viewport.bind('touchmove', onTouchMove); 1149 // bind a "touchend" event to the viewport 1150 slider.viewport.bind('touchend', onTouchEnd); 1151 } 1152 } 1153 1154 /** 1155 * Event handler for "touchmove" 1156 * 1157 * @param e (event) 1158 * - DOM event object 1159 */ 1160 var onTouchMove = function(e) { 1161 var orig = e.originalEvent; 1162 // if scrolling on y axis, do not prevent default 1163 var xMovement = Math.abs(orig.changedTouches[0].pageX - slider.touch.start.x); 1164 var yMovement = Math.abs(orig.changedTouches[0].pageY - slider.touch.start.y); 1165 // x axis swipe 1166 if ((xMovement * 3) > yMovement && slider.settings.preventDefaultSwipeX) { 1167 e.preventDefault(); 1168 // y axis swipe 1169 } else if ((yMovement * 3) > xMovement && slider.settings.preventDefaultSwipeY) { 1170 e.preventDefault(); 1171 } 1172 if (slider.settings.mode != 'fade' && slider.settings.oneToOneTouch) { 1173 var value = 0; 1174 // if horizontal, drag along x axis 1175 if (slider.settings.mode == 'horizontal') { 1176 var change = orig.changedTouches[0].pageX - slider.touch.start.x; 1177 value = slider.touch.originalPos.left + change; 1178 // if vertical, drag along y axis 1179 } else { 1180 var change = orig.changedTouches[0].pageY - slider.touch.start.y; 1181 value = slider.touch.originalPos.top + change; 1182 } 1183 setPositionProperty(value, 'reset', 0); 1184 } 1185 } 1186 1187 /** 1188 * Event handler for "touchend" 1189 * 1190 * @param e (event) 1191 * - DOM event object 1192 */ 1193 var onTouchEnd = function(e) { 1194 slider.viewport.unbind('touchmove', onTouchMove); 1195 var orig = e.originalEvent; 1196 var value = 0; 1197 // record end x, y positions 1198 slider.touch.end.x = orig.changedTouches[0].pageX; 1199 slider.touch.end.y = orig.changedTouches[0].pageY; 1200 // if fade mode, check if absolute x distance clears the threshold 1201 if (slider.settings.mode == 'fade') { 1202 var distance = Math.abs(slider.touch.start.x - slider.touch.end.x); 1203 if (distance >= slider.settings.swipeThreshold) { 1204 slider.touch.start.x > slider.touch.end.x ? el.goToNextSlide() : el.goToPrevSlide(); 1205 el.stopAuto(); 1206 } 1207 // not fade mode 1208 } else { 1209 var distance = 0; 1210 // calculate distance and el's animate property 1211 if (slider.settings.mode == 'horizontal') { 1212 distance = slider.touch.end.x - slider.touch.start.x; 1213 value = slider.touch.originalPos.left; 1214 } else { 1215 distance = slider.touch.end.y - slider.touch.start.y; 1216 value = slider.touch.originalPos.top; 1217 } 1218 // if not infinite loop and first / last slide, do not attempt a slide transition 1219 if (!slider.settings.infiniteLoop && ((slider.active.index == 0 && distance > 0) || (slider.active.last && distance < 0))) { 1220 setPositionProperty(value, 'reset', 200); 1221 } else { 1222 // check if distance clears threshold 1223 if (Math.abs(distance) >= slider.settings.swipeThreshold) { 1224 distance < 0 ? el.goToNextSlide() : el.goToPrevSlide(); 1225 el.stopAuto(); 1226 } else { 1227 // el.animate(property, 200); 1228 setPositionProperty(value, 'reset', 200); 1229 } 1230 } 1231 } 1232 slider.viewport.unbind('touchend', onTouchEnd); 1233 } 1234 1235 /** 1236 * Window resize event callback 1237 */ 1238 var resizeWindow = function(e) { 1239 // don't do anything if slider isn't initialized. 1240 if (!slider.initialized) return; 1241 // get the new window dimens (again, thank you IE) 1242 var windowWidthNew = $(window).width(); 1243 var windowHeightNew = $(window).height(); 1244 // make sure that it is a true window resize 1245 // *we must check this because our dinosaur friend IE fires a window resize event when certain DOM elements 1246 // are resized. Can you just die already?* 1247 if (windowWidth != windowWidthNew || windowHeight != windowHeightNew
1247) { 1248 // set the new window dimens 1249 windowWidth = windowWidthNew; 1250 windowHeight = windowHeightNew; 1251 // update all dynamic elements 1252 el.redrawSlider(); 1253 // Call user resize handler 1254 slider.settings.onSliderResize.call(el, slider.active.index); 1255 } 1256 } 1257 1258 /** 1259 * [custom] Update Slider Children 1260 */ 1261 var updateChildren = function(currentIndex) { 1262 var viewportLeft = slider.viewport.offset().left; 1263 var viewportRight = viewportLeft + slider.viewport.width(); 1264 var viewportTop = slider.viewport.offset().top; 1265 var viewportBottom = viewportTop + slider.viewport.height(); 1266 el.children(slider.settings.slideSelector).each(function(index) { 1267 var itemLeft = $(this).offset().left; 1268 var itemRight = $(this).offset().left + $(this).width(); 1269 var itemTop = $(this).offset().top; 1270 var itemBottom = $(this).offset().top + $(this).height(); 1271 var isRange = slider.settings.mode == 'vertical' ? 1272 (viewportTop <= itemTop && itemBottom <= viewportBottom) : 1273 (viewportLeft <= itemLeft && itemRight <= viewportRight); 1274 if ($(this).css('display') !== 'none' && isRange) { 1275 $(this).attr('aria-hidden', false) 1276 .find('a') 1277 .attr('tabindex', '0'); 1278 } else { 1279 $(this).attr('aria-hidden', true) 1280 .find('a') 1281 .attr('tabindex', '-1'); 1282 } 1283 }); 1284 } 1285 1286 /** 1287 * =================================================================================== 1288 * = PUBLIC FUNCTIONS 1289 * =================================================================================== 1290 */ 1291 1292 /** 1293 * Performs slide transition to the specified slide 1294 * 1295 * @param slideIndex (int) 1296 * - the destination slide's index (zero-based) 1297 * 1298 * @param direction (string) 1299 * - INTERNAL USE ONLY - the direction of travel ("prev" / "next") 1300 */ 1301 el.goToSlide = function(slideIndex, direction) { 1302 // if plugin is currently in motion, ignore request 1303 if (slider.working || slider.active.index == slideIndex) return; 1304 // declare that plugin is in motion 1305 slider.working = true; 1306 // store the old index 1307 slider.oldIndex = slider.active.index; 1308 // if slideIndex is less than zero, set active index to last child (this happens during infinite loop) 1309 if (slideIndex < 0) { 1310 slider.active.index = getPagerQty() - 1; 1311 // if slideIndex is greater than children length, set active index to 0 (this happens during infinite loop) 1312 } else if (slideIndex >= getPagerQty()) { 1313 slider.active.index = 0; 1314 // set active index to requested slide 1315 } else { 1316 slider.active.index = slideIndex; 1317 } 1318 // onSlideBefore, onSlideNext, onSlidePrev callbacks 1319 slider.settings.onSlideBefore(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1320 if (direction == 'next') { 1321 slider.settings.onSlideNext(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1322 } else if (direction == 'prev') { 1323 slider.settings.onSlidePrev(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1324 } 1325 // check if last slide 1326 slider.active.last = slider.active.index >= getPagerQty() - 1; 1327 // update the pager with active class 1328 if (slider.settings.pager) updatePagerActive(slider.active.index); 1329 // // check for direction control update 1330 if (slider.settings.controls) updateDirectionControls(); 1331 // if slider is set to mode: "fade" 1332 if (slider.settings.mode == 'fade') { 1333 // if adaptiveHeight is true and next height is different from current height, animate to the new height 1334 if (slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHeight()) { 1335 slider.viewport.animate({ 1336 height: getViewportHeight() 1337 }, slider.settings.adaptiveHeightSpeed); 1338 } 1339 // fade out the visible child and reset its z-index value 1340 slider.children.filter(':visible').fadeOut(slider.settings.speed).css({ 1341 zIndex: 0 1342 }); 1343 // fade in the newly requested slide 1344 slider.children.eq(slider.active.index).css('zIndex', slider.settings.slideZIndex + 1).fadeIn(slider.settings.speed, function() { 1345 $(this).css('zIndex', slider.settings.slideZIndex); 1346 updateAfterSlideTransition(); 1347 }); 1348 // slider mode is not "fade" 1349 } else { 1350 // if adaptiveHeight is true and next height is different from current height, animate to the new height 1351 if (slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHe
1351ight()) { 1352 slider.viewport.animate({ 1353 height: getViewportHeight() 1354 }, slider.settings.adaptiveHeightSpeed); 1355 } 1356 var moveBy = 0; 1357 var position = { 1358 left: 0, 1359 top: 0 1360 }; 1361 // if carousel and not infinite loop 1362 if (!slider.settings.infiniteLoop && slider.carousel && slider.active.last) { 1363 if (slider.settings.mode == 'horizontal') { 1364 // get the last child position 1365 var lastChild = slider.children.eq(slider.children.length - 1); 1366 position = lastChild.position(); 1367 // calculate the position of the last slide 1368 moveBy = slider.viewport.width() - lastChild.outerWidth(); 1369 } else { 1370 // get last showing index position 1371 var lastShowingIndex = slider.children.length - slider.settings.minSlides; 1372 position = slider.children.eq(lastShowingIndex).position(); 1373 } 1374 // if infinite loop and "Prev" is clicked on the first slide 1375 } else if (direction == 'prev' && slider.active.last) { 1376 // get the last child position 1377 var eq = slider.settings.moveSlides == 1 ? slider.children.length - getMoveBy() : ((getPagerQty() - 1) * getMoveBy()); 1378 var lastChild = el.children('.bx-clone').eq(eq); 1379 position = lastChild.position(); 1380 // if infinite loop and "Next" is clicked on the last slide 1381 } else if (direction == 'next' && slider.active.index == 0) { 1382 // get the last clone position 1383 position = el.find('> .bx-clone').eq(slider.children.length).position(); 1384 slider.active.last = false; 1385 // normal non-zero requests 1386 } else if (slideIndex >= 0) { 1387 var requestEl = slideIndex * getMoveBy(); 1388 position = slider.children.eq(requestEl).position(); 1389 } 1390 1391 /* If the position doesn't exist 1392 * (e.g. if you destroy the slider on a next click), 1393 * it doesn't throw an error. 1394 */ 1395 if ("undefined" !== typeof(position)) { 1396 var value = slider.settings.mode == 'horizontal' ? -(position.left - moveBy) : -position.top; 1397 // plugin values to be animated 1398 setPositionProperty(value, 'slide', slider.settings.speed); 1399 } 1400 } 1401 } 1402 1403 /** 1404 * Transitions to the next slide in the show 1405 */ 1406 el.goToNextSlide = function() { 1407 // if infiniteLoop is false and last page is showing, disregard call 1408 if (!slider.settings.infiniteLoop && slider.active.last) return; 1409 var pagerIndex = parseInt(slider.active.index) + 1; 1410 el.goToSlide(pagerIndex, 'next'); 1411 } 1412 1413 /** 1414 * Transitions to the prev slide in the show 1415 */ 1416 el.goToPrevSlide = function() { 1417 // if infiniteLoop is false and last page is showing, disregard call 1418 if (!slider.settings.infiniteLoop && slider.active.index == 0) return; 1419 var pagerIndex = parseInt(slider.active.index) - 1; 1420 el.goToSlide(pagerIndex, 'prev'); 1421 } 1422 1423 /** 1424 * Starts the auto show 1425 * 1426 * @param preventControlUpdate (boolean) 1427 * - if true, auto controls state will not be updated 1428 */ 1429 el.startAuto = function(preventControlUpdate) { 1430 // if an interval already exists, disregard call 1431 if (slider.interval) return; 1432 // create an interval 1433 slider.interval = setInterval(function() { 1434 slider.settings.autoDirection == 'next' ? el.goToNextSlide() : el.goToPrevSlide(); 1435 }, slider.settings.pause); 1436 // if auto controls are displayed and preventControlUpdate is not true 1437 if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('stop'); 1438 } 1439 1440 /** 1441 * Stops the auto show 1442 * 1443 * @param preventControlUpdate (boolean) 1444 * - if true, auto controls state will not be updated 1445 */ 1446 el.stopAuto = function(preventControlUpdate) { 1447 // if no interval exists, disregard call 1448 if (!slider.interval) return; 1449 // clear the interval 1450 clearInterval(slider.interval); 1451 slider.interval = null; 1452 // if auto controls are displayed and preventControlUpdate is not true 1453 if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('start'); 1454 } 1455 1456 /** 1457 * Returns current slide index (zero-based) 1458 */ 1459 el.getCurrentSlide = function() { 1460 return slider.active.index; 1461 } 1462 1463 /** 1464 * Returns current slide element 1465 */ 1466 el.getCurrentSlideElement = function() { 1467 return slider.children.eq(slider.active.index); 1468 } 1469 1470 /** 1471 * Returns number of slides in show 1472 */ 1473 el.getSlideCount = function() { 1474 return slider.children.length; 1475 } 1476 1477 /** 1478 * Update all dynamic slider elements 1479 */ 1480 el.redrawSlider = function() { 1481 // resize all children in ratio to new screen size 1482 slider.children.add(el.find('.bx-clone')).width(getSlideWidth()); 1483 // adjust the height
1484 slider.viewport.css('height', getViewportHeight()); 1485 // update the slide position 1486 if (!slider.settings.ticker) setSlidePosition(); 1487 // if active.last was true before the screen resize, we want 1488 // to keep it last no matter what screen size we end on 1489 if (slider.active.last) slider.active.index = getPagerQty() - 1; 1490 // if the active index (page) no longer exists due to the resize, simply set the index as last 1491 if (slider.active.index >= getPagerQty()) slider.active.last = true; 1492 // if a pager is being displayed and a custom pager is not being used, update it 1493 if (slider.settings.pager && !slider.settings.pagerCustom) { 1494 populatePager(); 1495 updatePagerActive(slider.active.index); 1496 } 1497 // [custom] update children 1498 updateChildren(slider.active.index); 1499 } 1500 1501 /** 1502 * Destroy the current instance of the slider (revert everything back to original state) 1503 */ 1504 el.destroySlider = function() { 1505 // don't do anything if slider has already been destroyed 1506 if (!slider.initialized) return; 1507 slider.initialized = false; 1508 $('.bx-clone', this).remove(); 1509 slider.children.each(function() { 1510 $(this).data("origStyle") != undefined ? $(this).attr("style", $(this).data("origStyle")) : $(this).removeAttr('style'); 1511 $(this).children('.visually-hidden').remove(); 1512 }); 1513 $(this).data("origStyle") != undefined ? this.attr("style", $(this).data("origStyle")) : $(this).removeAttr('style'); 1514 $(this).unwrap().unwrap(); 1515 if (slider.controls.el) slider.controls.el.remove(); 1516 if (slider.controls.next) slider.controls.next.remove(); 1517 if (slider.controls.prev) slider.controls.prev.remove(); 1518 if (slider.pagerEl && slider.settings.controls) { 1519 if(!slider.settings.pagerCustom) { 1520 slider.pagerEl.remove(); 1521 } else { 1522 slider.pagerEl = slider.settings.pagerCustomClone; 1523 } 1524 } 1525 $('.bx-caption', this).remove(); 1526 if (slider.controls.autoEl) slider.controls.autoEl.remove(); 1527 clearInterval(slider.interval); 1528 if (slider.settings.responsive) $(window).unbind('resize', resizeWindow); 1529 } 1530 1531 /** 1532 * Reload the slider (revert all DOM changes, and re-initialize) 1533 */ 1534 el.reloadSlider = function(settings) { 1535 if (settings != undefined) options = settings; 1536 // [custom] 1537 matchMedias(); 1538 } 1539 1540 matchMedias(); 1541 1542 // returns the current jQuery object 1543 return this; 1544 } 1545 1546})(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.