vendor: 12,859 bytes, lines 1-324
1/** 2 * bxSlider v4.2.12 3 * Copyright 2013-2015 Steven Wanderski 4 * Written while drinking Belgian ales and listening to jazz 5 * Licensed under MIT (http://opensource.org/licenses/MIT) 6 */ 7 8;(function($) { 9 10 var defaults = { 11 12 // GENERAL 13 mode: 'horizontal', 14 slideSelector: '', 15 infiniteLoop: true, 16 hideControlOnEnd: false, 17 speed: 500, 18 easing: null, 19 slideMargin: 0, 20 startSlide: 0, 21 randomStart: false, 22 captions: false, 23 ticker: false, 24 tickerHover: false, 25 adaptiveHeight: false, 26 adaptiveHeightSpeed: 500, 27 video: false, 28 useCSS: true, 29 preloadImages: 'visible', 30 responsive: true, 31 slideZIndex: 50, 32 wrapperClass: 'bx-wrapper', 33 34 // TOUCH 35 touchEnabled: true, 36 swipeThreshold: 50, 37 oneToOneTouch: true, 38 preventDefaultSwipeX: true, 39 preventDefaultSwipeY: false, 40 41 // ACCESSIBILITY 42 ariaLive: true, 43 ariaHidden: true, 44 45 // KEYBOARD 46 keyboardEnabled: false, 47 48 // PAGER 49 pager: true, 50 pagerType: 'full', 51 pagerShortSeparator: ' / ', 52 pagerSelector: null, 53 buildPager: null, 54 pagerCustom: null, 55 56 // CONTROLS 57 controls: true, 58 nextText: 'Next', 59 prevText: 'Prev', 60 nextSelector: null, 61 prevSelector: null, 62 autoControls: false, 63 startText: 'Start', 64 stopText: 'Stop', 65 autoControlsCombine: false, 66 autoControlsSelector: null, 67 68 // AUTO 69 auto: false, 70 pause: 4000, 71 autoStart: true, 72 autoDirection: 'next', 73 stopAutoOnClick: false, 74 autoHover: false, 75 autoDelay: 0, 76 autoSlideForOnePage: false, 77 78 // CAROUSEL 79 minSlides: 1, 80 maxSlides: 1, 81 moveSlides: 0, 82 slideWidth: 0, 83 shrinkItems: false, 84 85 // CALLBACKS 86 onSliderLoad: function() { return true; }, 87 onSlideBefore: function() { return true; }, 88 onSlideAfter: function() { return true; }, 89 onSlideNext: function() { return true; }, 90 onSlidePrev: function() { return true; }, 91 onSliderResize: function() { return true; }, 92 onAutoChange: function() { return true; } //calls when auto slides starts and stops 93 }; 94 95 $.fn.bxSlider = function(options) { 96 97 if (this.length === 0) { 98 return this; 99 } 100 101 // support multiple elements 102 if (this.length > 1) { 103 this.each(function() { 104 $(this).bxSlider(options); 105 }); 106 return this; 107 } 108 109 // create a namespace to be used throughout the plugin 110 var slider = {}, 111 // set a reference to our slider element 112 el = this, 113 // get the original window dimens (thanks a lot IE) 114 windowWidth = $(window).width(), 115 windowHeight = $(window).height(); 116 117 // Return if slider is already initialized 118 if ($(el).data('bxSlider')) { return; } 119 120 /** 121 * =================================================================================== 122 * = PRIVATE FUNCTIONS 123 * =================================================================================== 124 */ 125 126 /** 127 * Initializes namespace settings to be used throughout plugin 128 */ 129 var init = function() { 130 // Return if slider is already initialized 131 if ($(el).data('bxSlider')) { return; } 132 // merge user-supplied options with the defaults 133 slider.settings = $.extend({}, defaults, options); 134 // parse slideWidth setting 135 slider.settings.slideWidth = parseInt(slider.settings.slideWidth); 136 // store the original children 137 slider.children = el.children(slider.settings.slideSelector); 138 // check if actual number of slides is less than minSlides / maxSlides 139 if (slider.children.length < slider.settings.minSlides) { slider.settings.minSlides = slider.children.length; } 140 if (slider.children.length < slider.settings.maxSlides) { slider.settings.maxSlides = slider.children.length; } 141 // if random start, set the startSlide setting to random number 142 if (slider.settings.randomStart) { slider.settings.startSlide = Math.floor(Math.random() * slider.children.length); } 143 // store active slide information 144 slider.active = { index: slider.settings.startSlide }; 145 // store if the slider is in carousel mode (displaying / moving multiple slides) 146 slider.carousel = slider.settings.minSlides > 1 || slider.settings.maxSlides > 1 ? true : false; 147 // if carousel, force preloadImages = 'all' 148 if (slider.carousel) { slider.settings.preloadImages = 'all'; } 149 // calculate the min / max width thresholds based on min / max number of slides 150 // used to setup and update carousel slides dimensions 151 slider.minThreshold = (slider.settings.minSlides * slider.settings.slideWidth) + ((slider.settings.minSlides - 1) * slider.settings.slideMargin); 152 slider.maxThreshold = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin); 153 // store the current state of the slider (if currently animating, working is true) 154 slider.working = false; 155 // initialize the controls object 156 slider.controls = {}; 157 // initialize an auto interval 158 slider.interval = null; 159 // determine which property to use for transitions 160 slider.animProp = slider.settings.mode === 'vertical' ? 'top' : 'left'; 161 // determine if hardware acceleration can be used 162 slider.usingCSS = slider.settings.useCSS && slider.settings.mode !== 'fade' && (function() { 163 // create our test div element 164 var div = document.createElement('div'), 165 // css transition properties 166 props = ['WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective']; 167 // test for each property 168 for (var i = 0; i < props.length; i++) { 169 if (div.style[props[i]] !== undefined) { 170 slider.cssPrefix = props[i].replace('Perspective', '').toLowerCase(); 171 slider.animProp = '-' + slider.cssPrefix + '-transform'; 172 return true; 173 } 174 } 175 return false; 176 }()); 177 // if vertical mode always make maxSlides and minSlides equal 178 if (slider.settings.mode === 'vertical') { slider.settings.maxSlides = slider.settings.minSlides; } 179 // save original style data 180 el.data('origStyle', el.attr('style')); 181 el.children(slider.settings.slideSelector).each(function() { 182 $(this).data('origStyle', $(this).attr('style')); 183 }); 184 185 // perform all DOM / CSS modifications 186 setup(); 187 }; 188 189 /** 190 * Performs all DOM and CSS modifications 191 */ 192 var setup = function() { 193 var preloadSelector = slider.children.eq(slider.settings.startSlide); // set the default preload selector (visible) 194 195 // wrap el in a wrapper 196 el.wrap('<div class="' + slider.settings.wrapperClass + '"><div class="bx-viewport" style="height:283px;"></div></div>'); 197 // store a namespace reference to .bx-viewport 198 slider.viewport = el.parent(); 199 200 // add aria-live if the setting is enabled and ticker mode is disabled 201 if (slider.settings.ariaLive && !slider.settings.ticker) { 202 slider.viewport.attr('aria-live', 'polite'); 203 } 204 // add a loading div to display while images are loading 205 slider.loader = $('<div class="bx-loading" />'); 206 slider.viewport.prepend(slider.loader); 207 // set el to a massive width, to hold any needed slides 208 // also strip any margin and padding from el 209 el.css({ 210 width: slider.settings.mode === 'horizontal' ? (slider.children.length * 1000 + 215) + '%' : 'auto', 211 position: 'relative' 212 }); 213 // if using CSS, add the easing property 214 if (slider.usingCSS && slider.settings.easing) { 215 el.css('-' + slider.cssPrefix + '-transition-timing-function', slider.settings.easing); 216 // if not using CSS and no easing value was supplied, use the default JS animation easing (swing) 217 } else if (!slider.settings.easing) { 218 slider.settings.easing = 'swing'; 219 } 220 // make modifications to the viewport (.bx-viewport) 221 slider.viewport.css({ 222 width: '100%', 223 overflow: 'hidden', 224 position: 'relative', 225 height: '283px' 226 }); 227 slider.viewport.parent().css({ 228 maxWidth: getViewportMaxWidth() 229 }); 230 // apply css to all slider children 231 slider.children.css({ 232 // the float attribute is a reserved word in compressors like YUI compressor and need to be quoted #48 233 'float': slider.settings.mode === 'horizontal' ? 'left' : 'none', 234 listStyle: 'none', 235 position: 'relative' 236 }); 237 // apply the calculated width after the float is applied to prevent scrollbar interference 238 slider.children.css('width', getSlideWidth()); 239 // if slideMargin is supplied, add the css 240 if (slider.settings.mode === 'horizontal' && slider.settings.slideMargin > 0) { slider.children.css('marginRight', slider.settings.slideMargin); } 241 if (slider.settings.mode === 'vertical' && slider.settings.slideMargin > 0) { slider.children.css('marginBottom', slider.settings.slideMargin); } 242 // if "fade" mode, add positioning and z-index CSS 243 if (slider.settings.mode === 'fade') { 244 slider.children.css({ 245 position: 'absolute', 246 zIndex: 0, 247 display: 'none' 248 }); 249 // prepare the z-index on the showing element 250 slider.children.eq(slider.settings.startSlide).css({zIndex: slider.settings.slideZIndex, display: 'block'}); 251 } 252 // create an element to contain all slider controls (pager, start / stop, etc) 253 slider.controls.el = $('<div class="bx-controls" />'); 254 // if captions are requested, add them 255 if (slider.settings.captions) { appendCaptions(); } 256 // check if startSlide is last slide 257 slider.active.last = slider.settings.startSlide === getPagerQty() - 1; 258 // if video is true, set up the fitVids plugin 259 if (slider.settings.video) { el.fitVids(); } 260 if (slider.settings.preloadImages === 'all' || slider.settings.ticker) { preloadSelector = slider.children; } 261 // only check for control addition if not in "ticker" mode 262 if (!slider.settings.ticker) { 263 // if controls are requested, add them 264 if (slider.settings.controls) { appendControls(); } 265 // if auto is true, and auto controls are requested, add them 266 if (slider.settings.auto && slider.settings.autoControls) { appendControlsAuto(); } 267 // if pager is requested, add it 268 if (slider.settings.pager) { appendPager(); } 269 // if any control option is requested, add the controls wrapper 270 if (slider.settings.controls || slider.settings.autoControls || slider.settings.pager) { slider.viewport.after(slider.controls.el); } 271 // if ticker mode, do not allow a pager 272 } else { 273 slider.settings.pager = false; 274 } 275 loadElements(preloadSelector, start); 276 }; 277 278 var loadElements = function(selector, callback) { 279 var total = selector.find('img:not([src=""]), iframe').length, 280 count = 0; 281 if (total === 0) { 282 callback(); 283 return; 284 } 285 selector.find('img:not([src=""]), iframe').each(function() { 286 $(this).one('load error', function() { 287 if (++count === total) { callback(); } 288 }).each(function() { 289 if (this.complete || this.src == '') { $(this).trigger('load'); } 290 }); 291 }); 292 }; 293 294 /** 295 * Start the slider 296 */ 297 var start = function() { 298 // if infinite loop, prepare additional slides 299 if (slider.settings.infiniteLoop && slider.settings.mode !== 'fade' && !slider.settings.ticker) { 300 var slice = slider.settings.mode === 'vertical' ? slider.settings.minSlides : slider.settings.maxSlides, 301 sliceAppend = slider.children.slice(0, slice).clone(true).addClass('bx-clone'), 302 slicePrepend = slider.children.slice(-slice).clone(true).addClass('bx-clone'); 303 if (slider.settings.ariaHidden) { 304 sliceAppend.attr('aria-hidden', true); 305 slicePrepend.attr('aria-hidden', true); 306 } 307 el.append(sliceAppend).prepend(slicePrepend); 308 } 309 // remove the loading DOM element 310 slider.loader.remove(); 311 // set the left / top position of "el" 312 setSlidePosition(); 313 // if "vertical" mode, always use adaptiveHeight to prevent odd behavior 314 if (slider.settings.mode === 'vertical') { slider.settings.adaptiveHeight = true; } 315 // set the viewport height 316 slider.viewport.height(getViewportHeight()); 317 // make sure everything is positioned just right (same as a window resize) 318 el.redrawSlider(); 319 // onSliderLoad callback 320 slider.settings.onSliderLoad.call(el, slider.active.index); 321 // slider has been fully initialized 322 slider.initialized = true; 323 // bind the resize call to the window 324 if (slider.settings.responsive) { $(window).bind
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324('resize', resizeWindow); } 325 // if auto is true and has more than 1 page, start the show 326 if (slider.settings.auto && slider.settings.autoStart && (getPagerQty() > 1 || slider.settings.autoSlideForOnePage)) { initAuto(); } 327 // if ticker is true, start the ticker 328 if (slider.settings.ticker) { initTicker(); } 329 // if pager is requested, make the appropriate pager link active 330 if (slider.settings.pager) { updatePagerActive(slider.settings.startSlide); } 331 // check for any updates to the controls (like hideControlOnEnd updates) 332 if (slider.settings.controls) { updateDirectionControls(); } 333 // if touchEnabled is true, setup the touch events 334 if (slider.settings.touchEnabled && !slider.settings.ticker) { initTouch(); } 335 // if keyboardEnabled is true, setup the keyboard events 336 if (slider.settings.keyboardEnabled && !slider.settings.ticker) { 337 $(document).keydown(keyPress); 338 } 339 }; 340 341 /** 342 * Returns the calculated height of the viewport, used to determine either adaptiveHeight or the maxHeight value 343 */ 344 var getViewportHeight = function() { 345 var height = 0; 346 // first determine which children (slides) should be used in our height calculation 347 var children = $(); 348 // if mode is not "vertical" and adaptiveHeight is false, include all children 349 if (slider.settings.mode !== 'vertical' && !slider.settings.adaptiveHeight) { 350 children = slider.children; 351 } else { 352 // if not carousel, return the single active child 353 if (!slider.carousel) { 354 children = slider.children.eq(slider.active.index); 355 // if carousel, return a slice of children 356 } else { 357 // get the individual slide index 358 var currentIndex = slider.settings.moveSlides === 1 ? slider.active.index : slider.active.index * getMoveBy(); 359 // add the current slide to the children 360 children = slider.children.eq(currentIndex); 361 // cycle through the remaining "showing" slides 362 for (i = 1; i <= slider.settings.maxSlides - 1; i++) { 363 // if looped back to the start 364 if (currentIndex + i >= slider.children.length) { 365 children = children.add(slider.children.eq(i - 1)); 366 } else { 367 children = children.add(slider.children.eq(currentIndex + i)); 368 } 369 } 370 } 371 } 372 // if "vertical" mode, calculate the sum of the heights of the children 373 if (slider.settings.mode === 'vertical') { 374 children.each(function(index) { 375 height += $(this).outerHeight(); 376 }); 377 // add user-supplied margins 378 if (slider.settings.slideMargin > 0) { 379 height += slider.settings.slideMargin * (slider.settings.minSlides - 1); 380 } 381 // if not "vertical" mode, calculate the max height of the children 382 } else { 383 height = Math.max.apply(Math, children.map(function() { 384 return $(this).outerHeight(false); 385 }).get()); 386 } 387 388 if (slider.viewport.css('box-sizing') === 'border-box') { 389 height += parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom')) + 390 parseFloat(slider.viewport.css('border-top-width')) + parseFloat(slider.viewport.css('border-bottom-width')); 391 } else if (slider.viewport.css('box-sizing') === 'padding-box') { 392 height += parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom')); 393 } 394 395 return height; 396 }; 397 398 /** 399 * Returns the calculated width to be used for the outer wrapper / viewport 400 */ 401 var getViewportMaxWidth = function() { 402 var width = '100%'; 403 if (slider.settings.slideWidth > 0) { 404 if (slider.settings.mode === 'horizontal') { 405 width = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin); 406 } else { 407 width = slider.settings.slideWidth; 408 } 409 } 410 return width; 411 }; 412 413 /** 414 * Returns the calculated width to be applied to each slide 415 */ 416 var getSlideWidth = function() { 417 var newElWidth = slider.settings.slideWidth, // start with any user-supplied slide width 418 wrapWidth = slider.viewport.width(); // get the current viewport width 419 // if slide width was not supplied, or is larger than the viewport use the viewport width 420 if (slider.settings.slideWidth === 0 || 421 (slider.settings.slideWidth > wrapWidth && !slider.carousel) || 422 slider.settings.mode === 'vertical') { 423 newElWidth = wrapWidth; 424 // if carousel, use the thresholds to determine the width 425 } else if (slider.settings.maxSlides > 1 && slider.settings.mode === 'horizontal') { 426 if (wrapWidth > slider.maxThreshold) { 427 return newElWidth; 428 } else if (wrapWidth < slider.minThreshold) { 429 newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.minSlides - 1))) / slider.settings.minSlides; 430 } else if (slider.settings.shrinkItems) { 431 newElWidth = Math.floor((wrapWidth + slider.settings.slideMargin) / (Math.ceil((wrapWidth + slider.settings.slideMargin) / (newElWidth + slider.settings.slideMargin))) - slider.settings.slideMargin); 432 } 433 } 434 return newElWidth; 435 }; 436 437 /** 438 * Returns the number of slides currently visible in the viewport (includes partially visible slides) 439 */ 440 var getNumberSlidesShowing = function() { 441 var slidesShowing = 1, 442 childWidth = null; 443 if (slider.settings.mode === 'horizontal' && slider.settings.slideWidth > 0) { 444 // if viewport is smaller than minThreshold, return minSlides 445 if (slider.viewport.width() < slider.minThreshold) { 446 slidesShowing = slider.settings.minSlides; 447 // if viewport is larger than maxThreshold, return maxSlides 448 } else if (slider.viewport.width() > slider.maxThreshold) { 449 slidesShowing = slider.settings.maxSlides; 450 // if viewport is between min / max thresholds, divide viewport width by first child width 451 } else { 452 childWidth = slider.children.first().width() + slider.settings.slideMargin; 453 slidesShowing = Math.floor((slider.viewport.width() + 454 slider.settings.slideMargin) / childWidth) || 1; 455 } 456 // if "vertical" mode, slides showing will always be minSlides 457 } else if (slider.settings.mode === 'vertical') { 458 slidesShowing = slider.settings.minSlides; 459 } 460 return slidesShowing; 461 }; 462 463 /** 464 * Returns the number of pages (one full viewport of slides is one "page") 465 */ 466 var getPagerQty = function() { 467 var pagerQty = 0, 468 breakPoint = 0, 469 counter = 0; 470 // if moveSlides is specified by the user 471 if (slider.settings.moveSlides > 0) { 472 if (slider.settings.infiniteLoop) { 473 pagerQty = Math.ceil(slider.children.length / getMoveBy()); 474 } else { 475 // when breakpoint goes above children length, counter is the number of pages 476 while (breakPoint < slider.children.length) { 477 ++pagerQty; 478 breakPoint = counter + getNumberSlidesShowing(); 479 counter += slider.settings.moveSlides <= getNumberSlidesShowing() ? slider.settings.moveSlides : getNumberSlidesShowing(); 480 } 481 return counter; 482 } 483 // if moveSlides is 0 (auto) divide children length by sides showing, then round up 484 } else { 485 pagerQty = Math.ceil(slider.children.length / getNumberSlidesShowing()); 486 } 487 return pagerQty; 488 }; 489 490 /** 491 * Returns the number of individual slides by which to shift the slider 492 */ 493 var getMoveBy = function() { 494 // if moveSlides was set by the user and moveSlides is less than number of slides showing 495 if (slider.settings.moveSlides > 0 && slider.settings.moveSlides <= getNumberSlidesShowing()) { 496 return slider.settings.moveSlides; 497 } 498 // if moveSlides is 0 (auto) 499 return getNumberSlidesShowing(); 500 }; 501 502 /** 503 * Sets the slider's (el) left or top position 504 */ 505 var setSlidePosition = function() { 506 var position, lastChild, lastShowingIndex; 507 // if last slide, not infinite loop, and number of children is larger than specified maxSlides 508 if (slider.children.length > slider.settings.maxSlides && slider.active.last && !slider.settings.infiniteLoop) { 509 if (slider.settings.mode === 'horizontal') { 510 // get the last child's position 511 lastChild = slider.children.last(); 512 position = lastChild.position(); 513 // set the left position 514 setPositionProperty(-(position.left - (slider.viewport.width() - lastChild.outerWidth())), 'reset', 0); 515 } else if (slider.settings.mode === 'vertical') { 516 // get the last showing index's position 517 lastShowingIndex = slider.children.length - slider.settings.minSlides; 518 position = slider.children.eq(lastShowingIndex).position(); 519 // set the top position 520 setPositionProperty(-position.top, 'reset', 0); 521 } 522 // if not last slide 523 } else { 524 // get the position of the first showing slide 525 position = slider.children.eq(slider.active.index * getMoveBy()).position(); 526 // check for last slide 527 if (slider.active.index === getPagerQty() - 1) { slider.active.last = true; } 528 // set the respective position 529 if (position !== undefined) { 530 if (slider.settings.mode === 'horizontal') { setPositionProperty(-position.left, 'reset', 0); } 531 else if (slider.settings.mode === 'vertical') { setPositionProperty(-position.top, 'reset', 0); } 532 } 533 } 534 }; 535 536 /** 537 * Sets the el's animating property position (which in turn will sometimes animate el). 538 * If using CSS, sets the transform property. If not using CSS, sets the top / left property. 539 * 540 * @param value (int) 541 * - the animating property's value 542 * 543 * @param type (string) 'slide', 'reset', 'ticker' 544 * - the type of instance for which the function is being 545 * 546 * @param duration (int) 547 * - the amount of time (in ms) the transition should occupy 548 * 549 * @param params (array) optional 550 * - an optional parameter containing any variables that need to be passed in 551 */ 552 var setPositionProperty = function(value, type, duration, params) { 553 var animateObj, propValue; 554 // use CSS transform 555 if (slider.usingCSS) { 556 // determine the translate3d value 557 propValue = slider.settings.mode === 'vertical' ? 'translate3d(0, ' + value + 'px, 0)' : 'translate3d(' + value + 'px, 0, 0)'; 558 // add the CSS transition-duration 559 el.css('-' + slider.cssPrefix + '-transition-duration', duration / 1000 + 's'); 560 if (type === 'slide') { 561 // set the property value 562 el.css(slider.animProp, propValue); 563 if (duration !== 0) { 564 //
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564bind a callback method - executes when CSS transition completes 565 el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(e) { 566 //make sure it's the correct one 567 if (!$(e.target).is(el)) { return; } 568 // unbind the callback 569 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd'); 570 updateAfterSlideTransition(); 571 }); 572 } else { //duration = 0 573 updateAfterSlideTransition(); 574 } 575 } else if (type === 'reset') { 576 el.css(slider.animProp, propValue); 577 } else if (type === 'ticker') { 578 // make the transition use 'linear' 579 el.css('-' + slider.cssPrefix + '-transition-timing-function', 'linear'); 580 el.css(slider.animProp, propValue); 581 if (duration !== 0) { 582 el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(e) { 583 //make sure it's the correct one 584 if (!$(e.target).is(el)) { return; } 585 // unbind the callback 586 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd'); 587 // reset the position 588 setPositionProperty(params.resetValue, 'reset', 0); 589 // start the loop again 590 tickerLoop(); 591 }); 592 } else { //duration = 0 593 setPositionProperty(params.resetValue, 'reset', 0); 594 tickerLoop(); 595 } 596 } 597 // use JS animate 598 } else { 599 animateObj = {}; 600 animateObj[slider.animProp] = value; 601 if (type === 'slide') { 602 el.animate(animateObj, duration, slider.settings.easing, function() { 603 updateAfterSlideTransition(); 604 }); 605 } else if (type === 'reset') { 606 el.css(slider.animProp, value); 607 } else if (type === 'ticker') { 608 el.animate(animateObj, duration, 'linear', function() { 609 setPositionProperty(params.resetValue, 'reset', 0); 610 // run the recursive loop after animation 611 tickerLoop(); 612 }); 613 } 614 } 615 }; 616 617 /** 618 * Populates the pager with proper amount of pages 619 */ 620 var populatePager = function() { 621 var pagerHtml = '', 622 linkContent = '', 623 pagerQty = getPagerQty(); 624 // loop through each pager item 625 for (var i = 0; i < pagerQty; i++) { 626 linkContent = ''; 627 // if a buildPager function is supplied, use it to get pager link value, else use index + 1 628 if (slider.settings.buildPager && $.isFunction(slider.settings.buildPager) || slider.settings.pagerCustom) { 629 linkContent = slider.settings.buildPager(i); 630 slider.pagerEl.addClass('bx-custom-pager'); 631 } else { 632 linkContent = i + 1; 633 slider.pagerEl.addClass('bx-default-pager'); 634 } 635 // var linkContent = slider.settings.buildPager && $.isFunction(slider.settings.buildPager) ? slider.settings.buildPager(i) : i + 1; 636 // add the markup to the string 637 pagerHtml += '<div class="bx-pager-item"><a href="" data-slide-index="' + i + '" class="bx-pager-link">' + linkContent + '</a></div>'; 638 } 639 // populate the pager element with pager links 640 slider.pagerEl.html(pagerHtml); 641 }; 642 643 /** 644 * Appends the pager to the controls element 645 */ 646 var appendPager = function() { 647 if (!slider.settings.pagerCustom) { 648 // create the pager DOM element 649 slider.pagerEl = $('<div class="bx-pager" />'); 650 // if a pager selector was supplied, populate it with the pager 651 if (slider.settings.pagerSelector) { 652 $(slider.settings.pagerSelector).html(slider.pagerEl); 653 // if no pager selector was supplied, add it after the wrapper 654 } else { 655 slider.controls.el.addClass('bx-has-pager').append(slider.pagerEl); 656 } 657 // populate the pager 658 populatePager(); 659 } else { 660 slider.pagerEl = $(slider.settings.pagerCustom); 661 } 662 // assign the pager click binding 663 slider.pagerEl.on('click touchend', 'a', clickPagerBind); 664 }; 665 666 /** 667 * Appends prev / next controls to the controls element 668 */ 669 var appendControls = function() { 670 slider.controls.next = $('<a class="bx-next" href="">' + slider.settings.nextText + '</a>'); 671 slider.controls.prev = $('<a class="bx-prev" href="">' + slider.settings.prevText + '</a>'); 672 // bind click actions to the controls 673 slider.controls.next.bind('click touchend', clickNextBind); 674 slider.controls.prev.bind('click touchend', clickPrevBind); 675 // if nextSelector was supplied, populate it 676 if (slider.settings.nextSelector) { 677 $(slider.settings.nextSelector).append(slider.controls.next); 678 } 679 // if prevSelector was supplied, populate it 680 if (slider.settings.prevSelector) { 681 $(slider.settings.prevSelector).append(slider.controls.prev); 682 } 683 // if no custom selectors were supplied 684 if (!slider.settings.nextSelector && !slider.settings.prevSelector) { 685 // add the controls to the DOM 686 slider.controls.directionEl = $('<div class="bx-controls-direction" />'); 687 // add the control elements to the directionEl 688 slider.controls.directionEl.append(slider.controls.prev).append(slider.controls.next); 689 // slider.viewport.append(slider.controls.directionEl); 690 slider.controls.el.addClass('bx-has-controls-direction').append(slider.controls.directionEl); 691 } 692 }; 693 694 /** 695 * Appends start / stop auto controls to the controls element 696 */ 697 var appendControlsAuto = function() { 698 slider.controls.start = $('<div class="bx-controls-auto-item"><a class="bx-start" href="">' + slider.settings.startText + '</a></div>'); 699 slider.controls.stop = $('<div class="bx-controls-auto-item"><a class="bx-stop" href="">' + slider.settings.stopText + '</a></div>'); 700 // add the controls to the DOM 701 slider.controls.autoEl = $('<div class="bx-controls-auto" />'); 702 // bind
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702 click actions to the controls 703 slider.controls.autoEl.on('click', '.bx-start', clickStartBind); 704 slider.controls.autoEl.on('click', '.bx-stop', clickStopBind); 705 // if autoControlsCombine, insert only the "start" control 706 if (slider.settings.autoControlsCombine) { 707 slider.controls.autoEl.append(slider.controls.start); 708 // if autoControlsCombine is false, insert both controls 709 } else { 710 slider.controls.autoEl.append(slider.controls.start).append(slider.controls.stop); 711 } 712 // if auto controls selector was supplied, populate it with the controls 713 if (slider.settings.autoControlsSelector) { 714 $(slider.settings.autoControlsSelector).html(slider.controls.autoEl); 715 // if auto controls selector was not supplied, add it after the wrapper 716 } else { 717 slider.controls.el.addClass('bx-has-controls-auto').append(slider.controls.autoEl); 718 } 719 // update the auto controls 720 updateAutoControls(slider.settings.autoStart ? 'stop' : 'start'); 721 }; 722 723 /** 724 * Appends image captions to the DOM 725 */ 726 var appendCaptions = function() { 727 // cycle through each child 728 slider.children.each(function(index) { 729 // get the image title attribute 730 var title = $(this).find('img:first').attr('title'); 731 // append the caption 732 if (title !== undefined && ('' + title).length) { 733 $(this).append('<div class="bx-caption"><span>' + title + '</span></div>'); 734 } 735 }); 736 }; 737 738 /** 739 * Click next binding 740 * 741 * @param e (event) 742 * - DOM event object 743 */ 744 var clickNextBind = function(e) { 745 e.preventDefault(); 746 if (slider.controls.el.hasClass('disabled')) { return; } 747 // if auto show is running, stop it 748 if (slider.settings.auto && slider.settings.stopAutoOnClick) { el.stopAuto(); } 749 el.goToNextSlide(); 750 }; 751 752 /** 753 * Click prev binding 754 * 755 * @param e (event) 756 * - DOM event object 757 */ 758 var clickPrevBind = function(e) { 759 e.preventDefault(); 760 if (slider.controls.el.hasClass('disabled')) { return; } 761 // if auto show is running, stop it 762 if (slider.settings.auto && slider.settings.stopAutoOnClick) { el.stopAuto(); } 763 el.goToPrevSlide(); 764 }; 765 766 /** 767 * Click start binding 768 * 769 * @param e (event) 770 * - DOM event object 771 */ 772 var clickStartBind = function(e) { 773 el.startAuto(); 774 e.preventDefault(); 775 }; 776 777 /** 778 * Click stop binding 779 * 780 * @param e (event) 781 * - DOM event object 782 */ 783 var clickStopBind = function(e) { 784 el.stopAuto(); 785 e.preventDefault(); 786 }; 787 788 /** 789 * Click pager binding 790 * 791 * @param e (event) 792 * - DOM event object 793 */ 794 var clickPagerBind = function(e) { 795 var pagerLink, pagerIndex; 796 e.preventDefault(); 797 if (slider.controls.el.hasClass('disabled')) { 798 return; 799 } 800 // if auto show is running, stop it 801 if (slider.settings.auto && slider.settings.stopAutoOnClick) { el.stopAuto(); } 802 pagerLink = $(e.currentTarget); 803 if (pagerLink.attr('data-slide-index') !== undefined) { 804 pagerIndex = parseInt(pagerLink.attr('data-slide-index')); 805 // if clicked pager link is not active, continue with the goToSlide call 806 if (pagerIndex !== slider.active.index) { el.goToSlide(pagerIndex); } 807 } 808 }; 809 810 /** 811 * Updates the pager links with an active class 812 * 813 * @param slideIndex (int) 814 * - index of slide to make active 815 */ 816 var updatePagerActive = function(slideIndex) { 817 // if "short" pager type 818 var len = slider.children.length; // nb of children 819 if (slider.settings.pagerType === 'short') { 820 if (slider.settings.maxSlides > 1) { 821 len = Math.ceil(slider.children.length / slider.settings.maxSlides); 822 } 823 slider.pagerEl.html((slideIndex + 1) + slider.settings.pagerShortSeparator + len); 824 return; 825 } 826 // remove all pager active classes 827 slider.pagerEl.find('a').removeClass('active'); 828 // apply the active class for all pagers 829 slider.pagerEl.each(function(i, el) { $(el).find('a').eq(slideIndex).addClass('active'); }); 830 }; 831 832 /** 833 * Performs needed actions after a slide transition 834 */ 835 var updateAfterSlideTransition = function() { 836 // if infinite loop is true 837 if (slider.settings.infiniteLoop) { 838 var position = ''; 839 // first slide 840 if (slider.active.index === 0) { 841 // set the new position 842 position = slider.children.eq(0).position(); 843 // carousel, last slide 844 } else if (slider.active.index === getPagerQty() - 1 && slider.carousel) { 845 position = slider.children.eq((getPagerQty() - 1) * getMoveBy()).position(); 846 // last slide 847 } else if (slider.active.index === slider.children.length - 1) { 848 position = slider.children.eq(slider.children.length - 1).position(); 849 } 850 if (position) { 851 if (slider.settings.mode === 'horizontal') { setPositionProperty(-position.left, 'reset', 0); } 852 else if (slider.settings.mode === 'vertical') { setPositionProperty(-position.top, 'reset', 0); } 853 } 854 } 855 // declare that the transition is complete 856 slider.working = false; 857 // onSlideAfter callback 858 slider.settings.onSlideAfter.call(el, slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 859 }; 860 861 /** 862 * Updates the auto controls state (either active, or combined switch) 863 * 864 * @param state (string) "start", "stop" 865 * - the new state of the auto show 866 */ 867 var updateAutoControls = function(state) { 868 // if autoControlsCombine is true, replace the current control with the new state 869 if (slider.settings.autoControlsCombine) { 870 slider.controls.autoEl.html(slider.controls[state]); 871 // if autoControlsCombine is false, apply the "active" class to the appropriate control 872 } else { 873 slider.controls.autoEl.find('a').removeClass('active'); 874 slider.controls.autoEl.find('a:not(.bx-' + state + ')').addClass('active'); 875 } 876 }; 877 878 /** 879 * Updates the direction controls (checks if either should be hidden) 880 */ 881 var updateDirectionControls = function() { 882 if (getPagerQty() === 1) { 883 slider.controls.prev.addClass('disabled'); 884 slider.controls.next.addClass('disabled'); 885 } else if (!slider.settings.infiniteLoop && slider.settings.hideControlOnEnd) { 886 // if first slide 887 if (slider.active.index === 0) { 888 slider.controls.prev.addClass('disabled'); 889 slider.controls.next.removeClass('disabled'); 890 // if last slide 891 } else if (slider.active.index === getPagerQty() - 1) { 892 slider.controls.next.addClass('disabled'); 893 slider.controls.prev.removeClass('disabled'); 894 // if any slide in the middle 895 } else { 896 slider.controls.prev.removeClass('disabled'); 897 slider.controls.next.removeClass('disabled'); 898 } 899 } 900 }; 901 /* auto start and stop functions */ 902 var windowFocusHandler = function() { el.startAuto(); }; 903 var windowBlurHandler = function() { el.stopAuto(); }; 904 /** 905 * Initializes the auto process 906 */ 907 var initAuto = function() { 908 // if autoDelay was supplied, launch the auto show using a setTimeout() call 909 if (slider.settings.autoDelay > 0) { 910
910var timeout =
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910 setTimeout(el.startAuto, slider.settings.autoDelay); 911 // if autoDelay was not supplied, start the auto show normally 912 } else { 913 el.startAuto(); 914 915 //add focus and blur events to ensure its running if timeout gets paused 916 $(window).focus(windowFocusHandler).blur(windowBlurHandler); 917 } 918 // if autoHover is requested 919 if (slider.settings.autoHover) { 920 // on el hover 921 el.hover(function() { 922 // if the auto show is currently playing (has an active interval) 923 if (slider.interval) { 924 // stop the auto show and pass true argument which will prevent control update 925 el.stopAuto(true); 926 // create a new autoPaused value which will be used by the relative "mouseout" event 927 slider.autoPaused = true; 928 } 929 }, function() { 930 // if the autoPaused value was created be the prior "mouseover" event 931 if (slider.autoPaused) { 932 // start the auto show and pass true argument which will prevent control update 933 el.startAuto(true); 934 // reset the autoPaused value 935 slider.autoPaused = null; 936 } 937 }); 938 } 939 }; 940 941 /** 942 * Initializes the ticker process 943 */ 944 var initTicker = function() { 945 var startPosition = 0, 946 position, transform, value, idx, ratio, property, newSpeed, totalDimens; 947 // if autoDirection is "next", append a clone of the entire slider 948 if (slider.settings.autoDirection === 'next') { 949 el.append(slider.children.clone().addClass('bx-clone')); 950 // if autoDirection is "prev", prepend a clone of the entire slider, and set the left position 951 } else { 952 el.prepend(slider.children.clone().addClass('bx-clone')); 953 position = slider.children.first().position(); 954 startPosition = slider.settings.mode === 'horizontal' ? -position.left : -position.top; 955 } 956 setPositionProperty(startPosition, 'reset', 0); 957 // do not allow controls in ticker mode 958 slider.settings.pager = false; 959 slider.settings.controls = false; 960 slider.settings.autoControls = false; 961 // if autoHover is requested 962 if (slider.settings.tickerHover) { 963 if (slider.usingCSS) { 964 idx = slider.settings.mode === 'horizontal' ? 4 : 5; 965 slider.viewport.hover(function() { 966 transform = el.css('-' + slider.cssPrefix + '-transform'); 967 value = parseFloat(transform.split(',')[idx]); 968 setPositionProperty(value, 'reset', 0); 969 }, function() { 970 totalDimens = 0; 971 slider.children.each(function(index) { 972 totalDimens += slider.settings.mode === 'horizontal' ? $(this).outerWidth(true) : $(this).outerHeight(true); 973 }); 974 // calculate the speed ratio (used to determine the new speed to finish the paused animation) 975 ratio = slider.settings.speed / totalDimens; 976 // determine which property to use 977 property = slider.settings.mode === 'horizontal' ? 'left' : 'top'; 978 // calculate the new speed 979 newSpeed = ratio * (totalDimens - (Math.abs(parseInt(value)))); 980 tickerLoop(newSpeed); 981 }); 982 } else { 983 // on el hover 984 slider.viewport.hover(function() { 985 el.stop(); 986 }, function() { 987 // calculate the total width of children (used to calculate the speed ratio) 988 totalDimens = 0; 989 slider.children.each(function(index) { 990 totalDimens += slider.settings.mode === 'horizontal' ? $(this).outerWidth(true) : $(this).outerHeight(true); 991 }); 992 // calculate the speed ratio (used to determine the new speed to finish the paused animation) 993 ratio = slider.settings.speed / totalDimens; 994 // determine which property to use 995 property = slider.settings.mode === 'horizontal' ? 'left' : 'top'; 996 // calculate the new speed 997 newSpeed = ratio * (totalDimens - (Math.abs(parseInt(el.css(property))))); 998 tickerLoop(newSpeed); 999 }); 1000 } 1001 } 1002 // start the ticker loop 1003 tickerLoop(); 1004 }; 1005 1006 /** 1007 * Runs a continuous loop, news ticker-style 1008 */ 1009 var tickerLoop = function(resumeSpeed) { 1010 var speed = resumeSpeed ? resumeSpeed : slider.settings.speed, 1011 position = {left: 0, top: 0}, 1012 reset = {left: 0, top: 0}, 1013 animateProperty, resetValue, params; 1014 1015 // if "next" animate left position to last child, then reset left to 0 1016 if (slider.settings.autoDirection === 'next') { 1017 position = el.find('.bx-clone').first().position(); 1018 // if "prev" animate left position to 0, then reset left to first non-clone child 1019 } else { 1020 reset = slider.children.first().position(); 1021 } 1022 animateProperty = slider.settings.mode === 'horizontal' ? -position.left : -position.top; 1023 resetValue = slider.settings.mode === 'horizontal' ? -reset.left : -reset.top; 1024 params = {resetValue: resetValue}; 1025 setPositionProperty(animateProperty, 'ticker', speed, params); 1026 }; 1027 1028 /** 1029 * Check if el is on screen 1030 */ 1031 var isOnScreen = function(el) { 1032 var win = $(window), 1033 viewport = { 1034 top: win.scrollTop(), 1035 left: win.scrollLeft() 1036 }, 1037 bounds = el.offset(); 1038 1039 viewport.right = viewport.left + win.width(); 1040 viewport.bottom = viewport.top + win.height(); 1041 bounds.right = bounds.left + el.outerWidth(); 1042 bounds.bottom = bounds.top + el.outerHeight(); 1043 1044 return (!(viewport.right < bounds.left || viewport.left > bounds.right || viewport.bottom < bounds.top || viewport.top > bounds.bottom)); 1045 }; 1046 1047 /** 1048 * Initializes keyboard events 1049 */ 1050 var keyPress = function(e) { 1051 var activeElementTag = document.activeElement.tagName.toLowerCase(), 1052 tagFilters = 'input|textarea', 1053 p = new RegExp(activeElementTag,['i']), 1054 result = p.exec(tagFilters); 1055 1056 if (result == null && isOnScreen(el)) { 1057 if (e.keyCode === 39) { 1058 clickNextBind(e); 1059 return false; 1060 } else if (e.keyCode === 37) { 1061 clickPrevBind(e); 1062 return false; 1063 } 1064 } 1065 }; 1066 1067 /** 1068 * Initializes touch events 1069 */ 1070 var initTouch = function() { 1071 // initialize object to contain all touch values 1072 slider.touch = { 1073 start: {x: 0, y: 0}, 1074 end: {x: 0, y: 0} 1075 }; 1076 slider.viewport.
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1076bind('touchstart MSPointerDown pointerdown', onTouchStart); 1077 1078 //for browsers that have implemented pointer events and fire a click after 1079 //every pointerup regardless of whether pointerup is on same screen location as pointerdown or not 1080 slider.viewport.on('click', '.bxslider a', function(e) { 1081 if (slider.viewport.hasClass('click-disabled')) { 1082 e.preventDefault(); 1083 slider.viewport.removeClass('click-disabled'); 1084 } 1085 }); 1086 }; 1087 1088 /** 1089 * Event handler for "touchstart" 1090 * 1091 * @param e (event) 1092 * - DOM event object 1093 */ 1094 var onTouchStart = function(e) { 1095 //disable slider controls while user is interacting with slides to avoid slider freeze that happens on touch devices when a slide swipe happens immediately after interacting with slider controls 1096 slider.controls.el.addClass('disabled'); 1097 1098 if (slider.working) { 1099 e.preventDefault(); 1100 slider.controls.el.removeClass('disabled'); 1101 } else { 1102 // record the original position when touch starts 1103 slider.touch.originalPos = el.position(); 1104 var orig = e.originalEvent, 1105 touchPoints = (typeof orig.changedTouches !== 'undefined') ? orig.changedTouches : [orig]; 1106 // record the starting touch x, y coordinates 1107 slider.touch.start.x = touchPoints[0].pageX; 1108 slider.touch.start.y = touchPoints[0].pageY; 1109 1110 if (slider.viewport.get(0).setPointerCapture) { 1111 slider.pointerId = orig.pointerId; 1112 slider.viewport.get(0).setPointerCapture(slider.pointerId); 1113 } 1114 // bind a "touchmove" event to the viewport 1115 slider.viewport.bind('touchmove MSPointerMove pointermove', onTouchMove); 1116 // bind a "touchend" event to the viewport 1117 slider.viewport.bind('touchend MSPointerUp pointerup', onTouchEnd); 1118 slider.viewport.bind('MSPointerCancel pointercancel', onPointerCancel); 1119 } 1120 }; 1121 1122 /** 1123 * Cancel Pointer for Windows Phone 1124 * 1125 * @param e (event) 1126 * - DOM event object 1127 */ 1128 var onPointerCancel = function(e) { 1129 /* onPointerCancel handler is needed to deal with situations when a touchend 1130 doesn't fire after a touchstart (this happens on windows phones only) */ 1131 setPositionProperty(slider.touch.originalPos.left, 'reset', 0); 1132 1133 //remove handlers 1134 slider.controls.el.removeClass('disabled'); 1135 slider.viewport.unbind('MSPointerCancel pointercancel', onPointerCancel); 1136 slider.viewport.unbind('touchmove MSPointerMove pointermove', onTouchMove); 1137 slider.viewport.unbind('touchend MSPointerUp pointerup', onTouchEnd); 1138 if (slider.viewport.get(0).releasePointerCapture) { 1139 slider.viewport.get(0).releasePointerCapture(slider.pointerId); 1140 } 1141 }; 1142 1143 /** 1144 * Event handler for "touchmove" 1145 * 1146 * @param e (event) 1147 * - DOM event object 1148 */ 1149 var onTouchMove = function(e) { 1150 var orig = e.originalEvent, 1151 touchPoints = (typeof orig.changedTouches !== 'undefined') ? orig.changedTouches : [orig], 1152 // if scrolling on y axis, do not prevent default 1153 xMovement = Math.abs(touchPoints[0].pageX - slider.touch.start.x), 1154 yMovement = Math.abs(touchPoints[0].pageY - slider.touch.start.y), 1155 value = 0, 1156 change = 0; 1157 1158 // x axis swipe 1159 if ((xMovement * 3) > yMovement && slider.settings.preventDefaultSwipeX) { 1160 e.preventDefault(); 1161 // y axis swipe 1162 } else if ((yMovement * 3) > xMovement && slider.settings.preventDefaultSwipeY) { 1163 e.preventDefault(); 1164 } 1165 if (slider.settings.mode !== 'fade' && slider.settings.oneToOneTouch) { 1166 // if horizontal, drag along x axis 1167 if (slider.settings.mode === 'horizontal') { 1168 change = touchPoints[0].pageX - slider.touch.start.x; 1169 value = slider.touch.originalPos.left + change; 1170 // if vertical, drag along y axis 1171 } else { 1172 change = touchPoints[0].pageY - slider.touch.start.y; 1173 value = slider.touch.originalPos.top + change; 1174 } 1175 setPositionProperty(value, 'reset', 0); 1176 } 1177 }; 1178 1179 /** 1180 * Event handler for "touchend" 1181 * 1182 * @param e (event) 1183 * - DOM event object 1184 */ 1185 var onTouchEnd = function(e) { 1186 slider.viewport.unbind('touchmove MSPointerMove pointermove', onTouchMove); 1187 //enable slider controls as soon as user stops interacing with slides 1188 slider.controls.el.removeClass('disabled'); 1189 var orig = e.originalEvent, 1190 touchPoints = (typeof orig.changedTouches !== 'undefined') ? orig.changedTouches : [orig], 1191 value = 0, 1192 distance = 0; 1193 1194 // record end x, y positions 1195 slider.touch.end.x = touchPoints[0].pageX; 1196 slider.touch.end.y = touchPoints[0].pageY; 1197 // if fade mode, check if absolute x distance clears the threshold 1198 if (slider.settings.mode === 'fade') { 1199 distance = Math.abs(slider.touch.start.x - slider.touch.end.x); 1200 if (distance >= slider.settings.swipeThreshold) { 1201 if (slider.touch.start.x > slider.touch.end.x) { 1202 el.goToNextSlide(); 1203 } else { 1204 el.goToPrevSlide(); 1205 } 1206 el.stopAuto(); 1207 } 1208 // not fade mode 1209 } else { 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 if (distance < 0) { 1225 el.goToNextSlide(); 1226 } else { 1227 el.goToPrevSlide(); 1228 } 1229 el.stopAuto(); 1230 } else { 1231 // el.animate(property, 200); 1232 setPositionProperty(value, 'reset', 200); 1233 } 1234 } 1235 } 1236 slider.viewport.unbind('touchend MSPointerUp pointerup', onTouchEnd); 1237 if (slider.viewport.get(0).releasePointerCapture) { 1238 slider.viewport.get(0).releasePointerCapture(slider.pointerId
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1238); 1239 } 1240 }; 1241 1242 /** 1243 * Window resize event callback 1244 */ 1245 var resizeWindow = function(e) { 1246 // don't do anything if slider isn't initialized. 1247 if (!slider.initialized) { return; } 1248 // Delay if slider working. 1249 if (slider.working) { 1250 window.setTimeout(resizeWindow, 10); 1251 } else { 1252 // get the new window dimens (again, thank you IE) 1253 var windowWidthNew = $(window).width(), 1254 windowHeightNew = $(window).height(); 1255 // make sure that it is a true window resize 1256 // *we must check this because our dinosaur friend IE fires a window resize event when certain DOM elements 1257 // are resized. Can you just die already?* 1258 if (windowWidth !== windowWidthNew || windowHeight !== windowHeightNew) { 1259 // set the new window dimens 1260 windowWidth = windowWidthNew; 1261 windowHeight = windowHeightNew; 1262 // update all dynamic elements 1263 el.redrawSlider(); 1264 // Call user resize handler 1265 slider.settings.onSliderResize.call(el, slider.active.index); 1266 } 1267 } 1268 }; 1269 1270 /** 1271 * Adds an aria-hidden=true attribute to each element 1272 * 1273 * @param startVisibleIndex (int) 1274 * - the first visible element's index 1275 */ 1276 var applyAriaHiddenAttributes = function(startVisibleIndex) { 1277 var numberOfSlidesShowing = getNumberSlidesShowing(); 1278 // only apply attributes if the setting is enabled and not in ticker mode 1279 if (slider.settings.ariaHidden && !slider.settings.ticker) { 1280 // add aria-hidden=true to all elements 1281 slider.children.attr('aria-hidden', 'true'); 1282 // get the visible elements and change to aria-hidden=false 1283 slider.children.slice(startVisibleIndex, startVisibleIndex + numberOfSlidesShowing).attr('aria-hidden', 'false'); 1284 } 1285 }; 1286 1287 /** 1288 * Returns index according to present page range 1289 * 1290 * @param slideOndex (int) 1291 * - the desired slide index 1292 */ 1293 var setSlideIndex = function(slideIndex) { 1294 if (slideIndex < 0) { 1295 if (slider.settings.infiniteLoop) { 1296 return getPagerQty() - 1; 1297 }else { 1298 //we don't go to undefined slides 1299 return slider.active.index; 1300 } 1301 // if slideIndex is greater than children length, set active index to 0 (this happens during infinite loop) 1302 } else if (slideIndex >= getPagerQty()) { 1303 if (slider.settings.infiniteLoop) { 1304 return 0; 1305 } else { 1306 //we don't move to undefined pages 1307 return slider.active.index; 1308 } 1309 // set active index to requested slide 1310 } else { 1311 return slideIndex; 1312 } 1313 }; 1314 1315 /** 1316 * =================================================================================== 1317 * = PUBLIC FUNCTIONS 1318 * =================================================================================== 1319 */ 1320 1321 /** 1322 * Performs slide transition to the specified slide 1323 * 1324 * @param slideIndex (int) 1325 * - the destination slide's index (zero-based) 1326 * 1327 * @param direction (string) 1328 * - INTERNAL USE ONLY - the direction of travel ("prev" / "next") 1329 */ 1330 el.goToSlide = function(slideIndex, direction) { 1331 // onSlideBefore, onSlideNext, onSlidePrev callbacks 1332 // Allow transition canceling based on returned value 1333 var performTransition = true, 1334 moveBy = 0, 1335 position = {left: 0, top: 0}, 1336 lastChild = null, 1337 lastShowingIndex, eq, value, requestEl; 1338 // store the old index 1339 slider.oldIndex = slider.active.index; 1340 //set new index 1341 slider.active.index = setSlideIndex(slideIndex); 1342 1343 // if plugin is currently in motion, ignore request 1344 if (slider.working || slider.active.index === slider.oldIndex) { return; } 1345 // declare that plugin is in motion 1346 slider.working = true; 1347 1348 performTransition = slider.settings.onSlideBefore.call(el, slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1349 1350 // If transitions canceled, reset and return 1351 if (typeof (performTransition) !== 'undefined' && !performTransition) { 1352 slider.active.index = slider.oldIndex; // restore old index 1353 slider.working = false; // is not in motion 1354 return; 1355 } 1356 1357 if (direction === 'next') { 1358 // Prevent canceling in future functions or lack there-of from negating previous commands to cancel 1359 if (!slider.settings.onSlideNext.call(el, slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index)) { 1360 performTransition = false; 1361 } 1362 } else if (direction === 'prev') { 1363 // Prevent canceling in future functions or lack there-of from negating previous commands to cancel 1364 if (!slider.settings.onSlidePrev.call(el, slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index)) { 1365 performTransition = false; 1366 } 1367 } 1368 1369 // check if last slide 1370 slider.active.last = slider.active.index >= getPagerQty() - 1; 1371 // update the pager with active class 1372 if (slider.settings.pager || slider.settings.pagerCustom) { updatePagerActive(slider.active.index); } 1373 // // check for direction control update 1374 if (slider.settings.controls) { updateDirectionControls(); } 1375 // if slider is set to mode: "fade" 1376 if (slider.settings.mode === 'fade') { 1377 // if adaptiveHeight is true and next height is different from current height, animate to the new height 1378 if (slider.settings.adaptiveHeight && slider.viewport.height() !== getViewportHeight()) { 1379 slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed); 1380 } 1381 // fade out the visible child and reset its z-index value 1382 slider.children.filter(':visible').fadeOut(slider.settings.speed).css({zIndex: 0}); 1383 // fade in the newly requested slide 1384 slider.children.eq(slider.active.index).css('zIndex', slider.settings.slideZIndex + 1).fadeIn(slider.settings.speed, function() { 1385 $(this).css('zIndex', slider.settings.slideZIndex); 1386 updateAfterSlideTransition(); 1387 }); 1388 // slider mode is not "fade" 1389 } else { 1390 // if adaptiveHeight is true and next height is different from current height, animate to the new height 1391 if (slider.settings.adaptiveHeight && slider.viewport.height() !== getViewportHeight()) { 1392 slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed); 1393 } 1394 // if carousel and not infinite loop 1395 if (!slider.settings.infiniteLoop && slider.carousel && slider.active.last) { 1396 if (slider.settings.mode === 'horizontal') { 1397 // get the last child position 1398 lastChild = slider.children.eq(slider.children.length - 1); 1399 position = lastChild.position(); 1400 // calculate the position of the last slide 1401 moveBy = slider.viewport.width() - lastChild.outerWidth(); 1402 } else { 1403 // get last showing index position 1404 lastShowingIndex = slider.children.length - slider.settings.minSlides; 1405 position = slider.children.eq(lastShowingIndex).position(); 1406 } 1407 // horizontal carousel, going previous while on first slide (infiniteLoop mode) 1408 } else if (slider.carousel && slider.active.last && direction === 'prev') { 1409 // get the last child position 1410 eq = slider.settings.moveSlides === 1 ? slider.settings.maxSlides - getMoveBy() : ((getPagerQty() - 1) * getMoveBy()) - (slider.children.length - slider.settings.maxSlides); 1411 lastChild = el.children('.bx-clone').eq(eq); 1412 position = lastChild.position(); 1413 // if infinite loop and "Next" is clicked on the last slide 1414 } else if (direction === 'next' && slider.active.index === 0) { 1415 // get the last clone position 1416 position = el.find('> .bx-clone').eq(slider.settings.maxSlides).position(); 1417 slider.active.last = false; 1418 // normal non-zero requests 1419 } else if (slideIndex >= 0) { 1420 //parseInt is applied to allow floats for slides/page 1421 requestEl = slideIndex * parseInt(getMoveBy()); 1422 position = slider.children.eq(requestEl).position(); 1423 } 1424 1425 /* If the position doesn't exist 1426 * (e.g. if you destroy the slider on a next click), 1427 * it doesn't throw an error. 1428 */ 1429 if (typeof (position) !== 'undefined') { 1430 value = slider.settings.mode === 'horizontal' ? -(position.left - moveBy) : -position.top; 1431 // plugin values to be animated 1432 setPositionProperty(value, 'slide', slider.settings.speed); 1433 } 1434 slider.working = false; 1435 } 1436 if (slider.settings.ariaHidden) { applyAriaHiddenAttributes(slider.active.index * getMoveBy()); } 1437 }; 1438 1439 /** 1440 * Transitions to the next slide in the show 1441 */ 1442 el.goToNextSlide = function() { 1443 // if infiniteLoop is false and last page is showing, disregard call 1444 if (!slider.settings.infiniteLoop && slider.active.last) { return; } 1445 if (slider.working ==
vendor: 6,040 bytes, lines 1445-1617
1445 true){ return ;} 1446 var pagerIndex = parseInt(slider.active.index) + 1; 1447 el.goToSlide(pagerIndex, 'next'); 1448 }; 1449 1450 /** 1451 * Transitions to the prev slide in the show 1452 */ 1453 el.goToPrevSlide = function() { 1454 // if infiniteLoop is false and last page is showing, disregard call 1455 if (!slider.settings.infiniteLoop && slider.active.index === 0) { return; } 1456 if (slider.working == true){ return ;} 1457 var pagerIndex = parseInt(slider.active.index) - 1; 1458 el.goToSlide(pagerIndex, 'prev'); 1459 }; 1460 1461 /** 1462 * Starts the auto show 1463 * 1464 * @param preventControlUpdate (boolean) 1465 * - if true, auto controls state will not be updated 1466 */ 1467 el.startAuto = function(preventControlUpdate) { 1468 // if an interval already exists, disregard call 1469 if (slider.interval) { return; } 1470 // create an interval 1471 slider.interval = setInterval(function() { 1472 if (slider.settings.autoDirection === 'next') { 1473 el.goToNextSlide(); 1474 } else { 1475 el.goToPrevSlide(); 1476 } 1477 }, slider.settings.pause); 1478 //allback for when the auto rotate status changes 1479 slider.settings.onAutoChange.call(el, true); 1480 // if auto controls are displayed and preventControlUpdate is not true 1481 if (slider.settings.autoControls && preventControlUpdate !== true) { updateAutoControls('stop'); } 1482 }; 1483 1484 /** 1485 * Stops the auto show 1486 * 1487 * @param preventControlUpdate (boolean) 1488 * - if true, auto controls state will not be updated 1489 */ 1490 el.stopAuto = function(preventControlUpdate) { 1491 // if no interval exists, disregard call 1492 if (!slider.interval) { return; } 1493 // clear the interval 1494 clearInterval(slider.interval); 1495 slider.interval = null; 1496 //allback for when the auto rotate status changes 1497 slider.settings.onAutoChange.call(el, false); 1498 // if auto controls are displayed and preventControlUpdate is not true 1499 if (slider.settings.autoControls && preventControlUpdate !== true) { updateAutoControls('start'); } 1500 }; 1501 1502 /** 1503 * Returns current slide index (zero-based) 1504 */ 1505 el.getCurrentSlide = function() { 1506 return slider.active.index; 1507 }; 1508 1509 /** 1510 * Returns current slide element 1511 */ 1512 el.getCurrentSlideElement = function() { 1513 return slider.children.eq(slider.active.index); 1514 }; 1515 1516 /** 1517 * Returns a slide element 1518 * @param index (int) 1519 * - The index (zero-based) of the element you want returned. 1520 */ 1521 el.getSlideElement = function(index) { 1522 return slider.children.eq(index); 1523 }; 1524 1525 /** 1526 * Returns number of slides in show 1527 */ 1528 el.getSlideCount = function() { 1529 return slider.children.length; 1530 }; 1531 1532 /** 1533 * Return slider.working variable 1534 */ 1535 el.isWorking = function() { 1536 return slider.working; 1537 }; 1538 1539 /** 1540 * Update all dynamic slider elements 1541 */ 1542 el.redrawSlider = function() { 1543 // resize all children in ratio to new screen size 1544 slider.children.add(el.find('.bx-clone')).outerWidth(getSlideWidth()); 1545 // adjust the height 1546 slider.viewport.css('height', getViewportHeight()); 1547 // update the slide position 1548 if (!slider.settings.ticker) { setSlidePosition(); } 1549 // if active.last was true before the screen resize, we want 1550 // to keep it last no matter what screen size we end on 1551 if (slider.active.last) { slider.active.index = getPagerQty() - 1; } 1552 // if the active index (page) no longer exists due to the resize, simply set the index as last 1553 if (slider.active.index >= getPagerQty()) { slider.active.last = true; } 1554 // if a pager is being displayed and a custom pager is not being used, update it 1555 if (slider.settings.pager && !slider.settings.pagerCustom) { 1556 populatePager(); 1557 updatePagerActive(slider.active.index); 1558 } 1559 if (slider.settings.ariaHidden) { applyAriaHiddenAttributes(slider.active.index * getMoveBy()); } 1560 }; 1561 1562 /** 1563 * Destroy the current instance of the slider (revert everything back to original state) 1564 */ 1565 el.destroySlider = function() { 1566 // don't do anything if slider has already been destroyed 1567 if (!slider.initialized) { return; } 1568 slider.initialized = false; 1569 $('.bx-clone', this).remove(); 1570 slider.children.each(function() { 1571 if ($(this).data('origStyle') !== undefined) { 1572 $(this).attr('style', $(this).data('origStyle')); 1573 } else { 1574 $(this).removeAttr('style'); 1575 } 1576 }); 1577 if ($(this).data('origStyle') !== undefined) { 1578 this.attr('style', $(this).data('origStyle')); 1579 } else { 1580 $(this).removeAttr('style'); 1581 } 1582 $(this).unwrap().unwrap(); 1583 if (slider.controls.el) { slider.controls.el.remove(); } 1584 if (slider.controls.next) { slider.controls.next.remove(); } 1585 if (slider.controls.prev) { slider.controls.prev.remove(); } 1586 if (slider.pagerEl && slider.settings.controls && !slider.settings.pagerCustom) { slider.pagerEl.remove(); } 1587 $('.bx-caption', this).remove(); 1588 if (slider.controls.autoEl) { slider.controls.autoEl.remove(); } 1589 clearInterval(slider.interval); 1590 if (slider.settings.responsive) { $(window).unbind('resize', resizeWindow); } 1591 if (slider.settings.keyboardEnabled) { $(document).unbind('keydown', keyPress); } 1592 //remove self reference in data 1593 $(this).removeData('bxSlider'); 1594 // remove global window handlers 1595 $(window).off('blur', windowBlurHandler).off('focus', windowFocusHandler); 1596 }; 1597 1598 /** 1599 * Reload the slider (revert all DOM changes, and re-initialize) 1600 */ 1601 el.reloadSlider = function(settings) { 1602 if (settings !== undefined) { options = settings; } 1603 el.destroySlider(); 1604 init(); 1605 //store reference to self in order to access public functions later 1606 $(el).data('bxSlider', this); 1607 }; 1608 1609 init(); 1610 1611 $(el).data('bxSlider', this); 1612 1613 // returns the current jQuery object 1614 return this; 1615 }; 1616 1617})(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.