1/** 2 * BxSlider v4.1.2 - Fully loaded, responsive content slider 3 * http://bxslider.com 4 * 5 * Copyright 2014, Steven Wanderski - http://stevenwanderski.com - http://bxcreative.com 6 * Written while drinking Belgian ales and listening to jazz 7 * 8 * Released under the MIT license - http://opensource.org/licenses/MIT 9 */ 10 11;(function($){ 12 13 var plugin = {}; 14 15 var defaults = { 16 17 // GENERAL 18 mode: 'horizontal', 19 slideSelector: '', 20 infiniteLoop: true, 21 hideControlOnEnd: false, 22 speed: 500, 23 easing: null, 24 slideMargin: 0, 25 startSlide: 0, 26 randomStart: false, 27 captions: false, 28 ticker: false, 29 tickerHover: false, 30 adaptiveHeight: false, 31 adaptiveHeightSpeed: 500, 32 video: false, 33 useCSS: true, 34 preloadImages: 'visible', 35 responsive: true, 36 slideZIndex: 50, 37 wrapperClass: 'bx-wrapper', 38 39 // TOUCH 40 touchEnabled: true, 41 swipeThreshold: 50, 42 oneToOneTouch: true, 43 preventDefaultSwipeX: true, 44 preventDefaultSwipeY: false, 45 46 // PAGER 47 pager: true, 48 pagerType: 'full', 49 pagerShortSeparator: ' / ', 50 pagerSelector: null, 51 buildPager: null, 52 pagerCustom: null, 53 54 // CONTROLS 55 controls: true, 56 nextText: 'Next', 57 prevText: 'Prev', 58 nextSelector: null, 59 prevSelector: null, 60 autoControls: false, 61 startText: 'Start', 62 stopText: 'Stop', 63 autoControlsCombine: false, 64 autoControlsSelector: null, 65 66 // AUTO 67 auto: false, 68 pause: 4000, 69 autoStart: true, 70 autoDirection: 'next', 71 autoHover: false, 72 autoDelay: 0, 73 autoSlideForOnePage: false, 74 75 // CAROUSEL 76 minSlides: 1, 77 maxSlides: 1, 78 moveSlides: 0, 79 slideWidth: 0, 80 81 // CALLBACKS 82 onSliderLoad: function() {}, 83 onSlideBefore: function() {}, 84 onSlideAfter: function() {}, 85 onSlideNext: function() {}, 86 onSlidePrev: function() {}, 87 onSliderResize: function() {} 88 } 89 90 $.fn.bxSlider = function(options){ 91 92 if(this.length == 0) return this; 93 94 // support mutltiple elements 95 if(this.length > 1){ 96 this.each(function(){$(this).bxSlider(options)}); 97 return this; 98 } 99 100 // create a namespace to be used throughout the plugin 101 var slider = {}; 102 // set a reference to our slider element 103 var el = this; 104 plugin.el = this; 105 106 /** 107 * Makes slideshow responsive 108 */ 109 // first get the original window dimens (thanks alot IE) 110 var windowWidth = $(window).width(); 111 var windowHeight = $(window).height(); 112 113 114 115 /** 116 * =================================================================================== 117 * = PRIVATE FUNCTIONS 118 * =================================================================================== 119 */ 120 121 /** 122 * Initializes namespace settings to be used throughout plugin 123 */ 124 var init = function(){ 125 // merge user-supplied options with the defaults 126 slider.settings = $.extend({}, defaults, options); 127 128 // Fixed the slider number for resopinsive. 129 if(slider.settings.fixedSlides){ 130 var fixedSlides = getFixedSlides(); 131 slider.settings.minSlides = fixedSlides; 132 slider.settings.maxSlides = fixedSlides; 133 } 134 135 // parse slideWidth setting 136 slider.settings.slideWidth = parseInt(slider.settings.slideWidth); 137 // store the original children 138 slider.children = el.children(slider.settings.slideSelector); 139 // check if actual number of slides is less than minSlides / maxSlides 140 if(slider.children.length < slider.settings.minSlides) slider.settings.minSlides = slider.children.length; 141 if(slider.children.length < slider.settings.maxSlides) slider.settings.maxSlides = slider.children.length; 142 // if random start, set the startSlide setting to random number 143 if(slider.settings.randomStart) slider.settings.startSlide = Math.floor(Math.random() * slider.children.length); 144 // store active slide information 145 slider.active = { index: slider.settings.startSlide } 146 // store if the slider is in carousel mode (displaying / moving multiple slides) 147 slider.carousel = slider.settings.minSlides > 1 || slider.settings.maxSlides > 1; 148 // if carousel, force preloadImages = 'all' 149 if(slider.carousel) slider.settings.preloadImages = 'all'; 150 // calculate the min / max width thresholds based on min / max number of slides 151 // used to setup and update carousel slides dimensions 152 slider.minThreshold = (slider.settings.minSlides * slider.settings.slideWidth) + ((slider.settings.minSlides - 1) * slider.settings.slideMargin); 153 slider.maxThreshold = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin); 154 // store the current state of the slider (if currently animating, working is true) 155 slider.working = false;
156 // initialize the controls object 157 slider.controls = {}; 158 // initialize an auto interval 159 slider.interval = null; 160 // determine which property to use for transitions 161 slider.animProp = slider.settings.mode == 'vertical' ? 'top' : 'left'; 162 // determine if hardware acceleration can be used 163 slider.usingCSS = slider.settings.useCSS && slider.settings.mode != 'fade' && (function(){ 164 // create our test div element 165 var div = document.createElement('div'); 166 // css transition properties 167 var props = ['WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective']; 168 // test for each property 169 for(var i in props){ 170 if(div.style[props[i]] !== undefined){ 171 slider.cssPrefix = props[i].replace('Perspective', '').toLowerCase(); 172 slider.animProp = '-' + slider.cssPrefix + '-transform'; 173 return true; 174 } 175 } 176 return false; 177 }()); 178 // if vertical mode always make maxSlides and minSlides equal 179 if(slider.settings.mode == 'vertical') slider.settings.maxSlides = slider.settings.minSlides; 180 // save original style data 181 el.data("origStyle", el.attr("style")); 182 el.children(slider.settings.slideSelector).each(function() { 183 $(this).data("origStyle", $(this).attr("style")); 184 }); 185 186 // perform all DOM / CSS modifications 187 setup(); 188 } 189 190 var getFixedSlides = function(){ 191 var fixedSlides = 0; 192 for(var i = 0; i < slider.settings.breakPoints.length; i++){ 193 var bp = slider.settings.breakPoints[i]; 194 if($(window).width() > bp){ 195 return slider.settings.fixedSlides[i]; 196 } 197 } 198 return slider.settings.fixedSlides[slider.settings.fixedSlides.length - 1]; 199 } 200 201 /** 202 * Performs all DOM and CSS modifications 203 */ 204 var setup = function(){ 205 // wrap el in a wrapper 206 el.wrap('<div class="' + slider.settings.wrapperClass + '"><div class="bx-viewport"></div></div>'); 207 // store a namspace reference to .bx-viewport 208 slider.viewport = el.parent(); 209 // add a loading div to display while images are loading 210 slider.loader = $('<div class="bx-loading" />'); 211 slider.viewport.prepend(slider.loader); 212 // set el to a massive width, to hold any needed slides 213 // also strip any margin and padding from el 214 el.css({ 215 width: slider.settings.mode == 'horizontal' ? (slider.children.length * 100 + 215) + '%' : 'auto', 216 position: 'relative' 217 }); 218 // if using CSS, add the easing property 219 if(slider.usingCSS && slider.settings.easing){ 220 el.css('-' + slider.cssPrefix + '-transition-timing-function', slider.settings.easing); 221 // if not using CSS and no easing value was supplied, use the default JS animation easing (swing) 222 }else if(!slider.settings.easing){ 223 slider.settings.easing = 'swing'; 224 } 225 var slidesShowing = getNumberSlidesShowing(); 226 // make modifications to the viewport (.bx-viewport) 227 slider.viewport.css({ 228 width: '100%', 229 overflow: 'hidden', 230 position: 'relative' 231 }); 232 slider.viewport.parent().css({ 233 maxWidth: getViewportMaxWidth() 234 }); 235 // make modification to the wrapper (.bx-wrapper) 236 if(!slider.settings.pager) { 237 slider.viewport.parent().css({ 238 margin: '0 auto 0px' 239 }); 240 } 241 // apply css to all slider children 242 slider.children.css({ 243 'float': slider.settings.mode == 'horizontal' ? 'left' : 'none', 244 listStyle: 'none', 245 position: 'relative' 246 }); 247 // apply the calculated width after the float is applied to prevent scrollbar interference 248 slider.children.css('width', getSlideWidth()); 249 // if slideMargin is supplied, add the css 250 if(slider.settings.mode == 'horizontal' && slider.settings.slideMargin > 0){ 251 252 //if(slider.settings.minSlides == 1 && slider.settings.maxSlides == 1){// layout center 253 if(slider.settings.slideWidth > 0 && slider.settings.minSlides == slider.settings.maxSlides ){// calc margin. 254 var margin = 255 ( 256 slider.viewport.width() - (slider.settings.slideWidth * slider.settings.minSlides) 257 ) / (slider.settings.minSlides * 2); 258 if(margin > 0){ 259 slider.settings.slideMargin = margin; 260 slider.children.css('marginLeft', slider.settings.slideMargin); 261 } 262 } 263 slider.children.css('marginRight', slider.settings.slideMargin); 264 265 } 266 if(slider.settings.mode == 'vertical' && slider.settings.slideMargin > 0) slider.children.css('marginBottom', slider.settings.slideMargin); 267 // if "fade" mode, add positioning and z-index CSS 268 if(slider.settings.mode == 'fade'){ 269 slider.children.css({ 270 position: 'absolute', 271 zIndex: 0, 272 display: 'none' 273 }); 274 // prepare the z-index on the showing element 275 slider.children.eq(slider.settings.startSlide).css({zIndex: slider.settings.slideZIndex, display: 'block'}); 276 } 277 // create an element to contain all slider controls (pager, start / stop, etc) 278 slider.controls.el = $('<div class="bx-controls" />'); 279 // if captions are requested, add them
280 if(slider.settings.captions) appendCaptions(); 281 // check if startSlide is last slide 282 slider.active.last = slider.settings.startSlide == getPagerQty() - 1; 283 // if video is true, set up the fitVids plugin 284 if(slider.settings.video) el.fitVids(); 285 // set the default preload selector (visible) 286 var preloadSelector = slider.children.eq(slider.settings.startSlide); 287 if (slider.settings.preloadImages == "all") preloadSelector = slider.children; 288 // only check for control addition if not in "ticker" mode 289 if(!slider.settings.ticker){ 290 // if pager is requested, add it 291 if(slider.settings.pager) appendPager(); 292 // if controls are requested, add them 293 if(slider.settings.controls) appendControls(); 294 // if auto is true, and auto controls are requested, add them 295 if(slider.settings.auto && slider.settings.autoControls) appendControlsAuto(); 296 // if any control option is requested, add the controls wrapper 297 if(slider.settings.controls || slider.settings.autoControls || slider.settings.pager) slider.viewport.after(slider.controls.el); 298 // if ticker mode, do not allow a pager 299 }else{ 300 slider.settings.pager = false; 301 } 302 // preload all images, then perform final DOM / CSS modifications that depend on images being loaded 303 loadElements(preloadSelector, start); 304 } 305 306 var loadElements = function(selector, callback){ 307 var total = selector.find('img, iframe').length; 308 if (total == 0){ 309 callback(); 310 return; 311 } 312 var count = 0; 313 selector.find('img, iframe').each(function(){ 314 $(this).one('load', function() { 315 if(++count == total) callback(); 316 }).each(function() { 317 if(this.complete) $(this).load(); 318 }); 319 }); 320 } 321 322 /** 323 * Start the slider 324 */ 325 var start = function(){ 326 // if infinite loop, prepare additional slides 327 if(slider.settings.infiniteLoop && slider.settings.mode != 'fade' && !slider.settings.ticker){ 328 var slice = slider.settings.mode == 'vertical' ? slider.settings.minSlides : slider.settings.maxSlides; 329 var sliceAppend = slider.children.slice(0, slice).clone().addClass('bx-clone'); 330 var slicePrepend = slider.children.slice(-slice).clone().addClass('bx-clone'); 331 el.append(sliceAppend).prepend(slicePrepend); 332 } 333 // remove the loading DOM element 334 //slider.loader.remove(); 335 slider.viewport.find('.bx-loading').remove();// ãã¾ã«æ¶ããªããã¨ãããã®ã§ 336 // set the left / top position of "el" 337 setSlidePosition(); 338 // if "vertical" mode, always use adaptiveHeight to prevent odd behavior 339 if (slider.settings.mode == 'vertical') slider.settings.adaptiveHeight = true; 340 // set the viewport height 341 slider.viewport.height(getViewportHeight()); 342 // make sure everything is positioned just right (same as a window resize) 343 el.redrawSlider(); 344 // onSliderLoad callback 345 slider.settings.onSliderLoad(slider.active.index); 346 // slider has been fully initialized 347 slider.initialized = true;
348 // bind the resize call to the window 349 if (slider.settings.responsive) $(window).bind('resize', resizeWindow); 350 // if auto is true and has more than 1 page, start the show 351 if (slider.settings.auto && slider.settings.autoStart && (getPagerQty() > 1 || slider.settings.autoSlideForOnePage)) initAuto(); 352 // if ticker is true, start the ticker 353 if (slider.settings.ticker) initTicker(); 354 // if pager is requested, make the appropriate pager link active 355 if (slider.settings.pager) updatePagerActive(slider.settings.startSlide); 356 // check for any updates to the controls (like hideControlOnEnd updates) 357 if (slider.settings.controls) updateDirectionControls(); 358 // if touchEnabled is true, setup the touch events 359 if (slider.settings.touchEnabled && !slider.settings.ticker) initTouch(); 360 } 361 362 /** 363 * Returns the calculated height of the viewport, used to determine either adaptiveHeight or the maxHeight value 364 */ 365 var getViewportHeight = function(){ 366 var height = 0; 367 // first determine which children (slides) should be used in our height calculation 368 var children = $(); 369 // if mode is not "vertical" and adaptiveHeight is false, include all children 370 if(slider.settings.mode != 'vertical' && !slider.settings.adaptiveHeight){ 371 children = slider.children; 372 }else{ 373 // if not carousel, return the single active child 374 if(!slider.carousel){ 375 children = slider.children.eq(slider.active.index); 376 // if carousel, return a slice of children 377 }else{ 378 // get the individual slide index 379 var currentIndex = slider.settings.moveSlides == 1 ? slider.active.index : slider.active.index * getMoveBy(); 380 // add the current slide to the children 381 children = slider.children.eq(currentIndex); 382 // cycle through the remaining "showing" slides 383 for (i = 1; i <= slider.settings.maxSlides - 1; i++){ 384 // if looped back to the start 385 if(currentIndex + i >= slider.children.length){ 386 children = children.add(slider.children.eq(i - 1)); 387 }else{ 388 children = children.add(slider.children.eq(currentIndex + i)); 389 } 390 } 391 } 392 } 393 // if "vertical" mode, calculate the sum of the heights of the children 394 if(slider.settings.mode == 'vertical'){ 395 children.each(function(index) { 396 height += $(this).outerHeight(); 397 }); 398 // add user-supplied margins 399 if(slider.settings.slideMargin > 0){ 400 height += slider.settings.slideMargin * (slider.settings.minSlides - 1); 401 } 402 // if not "vertical" mode, calculate the max height of the children 403 }else{ 404 height = Math.max.apply(Math, children.map(function(){ 405 return $(this).outerHeight(false); 406 }).get()); 407 } 408 409 if(slider.viewport.css('box-sizing') == 'border-box'){ 410 height += parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom')) + 411 parseFloat(slider.viewport.css('border-top-width')) + parseFloat(slider.viewport.css('border-bottom-width')); 412 }else if(slider.viewport.css('box-sizing') == 'padding-box'){ 413 height += parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom')); 414 } 415 416 return height; 417 } 418 419 /** 420 * Returns the calculated width to be used for the outer wrapper / viewport 421 */ 422 var getViewportMaxWidth = function(){ 423 var width = '100%'; 424 if(slider.settings.slideWidth > 0){ 425 if(slider.settings.mode == 'horizontal'){ 426 width = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin); 427 }else{ 428 width = slider.settings.slideWidth; 429 } 430 } 431 return width; 432 } 433 434 /** 435 * Returns the calculated width to be applied to each slide 436 */ 437 var getSlideWidth = function(){ 438 // start with any user-supplied slide width 439 var newElWidth = slider.settings.slideWidth; 440 // get the current viewport width 441 var wrapWidth = slider.viewport.width(); 442 // if slide width was not supplied, or is larger than the viewport use the viewport width 443 if(slider.settings.slideWidth == 0 || 444 (slider.settings.slideWidth > wrapWidth && !slider.carousel) || 445 slider.settings.mode == 'vertical'){ 446 newElWidth = wrapWidth; 447 // if carousel, use the thresholds to determine the width 448 }else if(slider.settings.maxSlides > 1 && slider.settings.mode == 'horizontal'){ 449 if(wrapWidth > slider.maxThreshold){ 450 // newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.maxSlides - 1))) / slider.settings.maxSlides; 451 }else if(wrapWidth < slider.minThreshold){ 452 newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.minSlides - 1))) / slider.settings.minSlides; 453 } 454 } 455 return newElWidth; 456 } 457 458 /** 459 * Returns the number of slides currently visible in the viewport (includes partially visible slides) 460 */ 461 var getNumberSlidesShowing = function(){ 462 var slidesShowing = 1; 463 if(slider.settings.mode == 'horizontal' && slider.settings.slideWidth > 0){ 464 // if viewport is smaller than minThreshold, return minSlides 465 if(slider.viewport.width() < slider.minThreshold){ 466 slidesShowing = slider.settings.minSlides; 467 // if viewport is larger than minThreshold, return maxSlides 468 }else if(slider.viewport.width() > slider.maxThreshold){ 469 slidesShowing = slider.settings.maxSlides; 470 // if viewport is between min / max thresholds, divide viewport width by first child width 471 }else{ 472 var childWidth = slider.children.first().width() + slider.settings.slideMargin; 473 slidesShowing = Math.floor((slider.viewport.width() + 474 slider.settings.slideMargin) / childWidth); 475 } 476 // if "vertical" mode, slides showing will always be minSlides 477 }else if(slider.settings.mode == 'vertical'){ 478 slidesShowing = slider.settings.minSlides; 479 } 480 return slidesShowing; 481 } 482 483 /** 484 * Returns the number of pages (one full viewport of slides is one "page") 485 */ 486 var getPagerQty = function(){ 487 var pagerQty = 0; 488 // if moveSlides is specified by the user 489 if(slider.settings.moveSlides > 0){ 490 if(slider.settings.infiniteLoop){ 491 pagerQty = Math.ceil(slider.children.length / getMoveBy()); 492 }else{ 493 // use a while loop to determine pages 494 var breakPoint = 0; 495 var counter = 0 496 // when breakpoint goes above children length, counter is the number of pages 497 while (breakPoint < slider.children.length){ 498 ++pagerQty; 499 breakPoint = counter + getNumberSlidesShowing(); 500 counter += slider.settings.moveSlides <= getNumberSlidesShowing() ? slider.settings.moveSlides : getNumberSlidesShowing(); 501 } 502 }
503 // if moveSlides is 0 (auto) divide children length by sides showing, then round up 504 }else{ 505 pagerQty = Math.ceil(slider.children.length / getNumberSlidesShowing()); 506 } 507 return pagerQty; 508 } 509 510 /** 511 * Returns the number of indivual slides by which to shift the slider 512 */ 513 var getMoveBy = function(){ 514 // if moveSlides was set by the user and moveSlides is less than number of slides showing 515 if(slider.settings.moveSlides > 0 && slider.settings.moveSlides <= getNumberSlidesShowing()){ 516 return slider.settings.moveSlides; 517 } 518 // if moveSlides is 0 (auto) 519 return getNumberSlidesShowing(); 520 } 521 522 /** 523 * Sets the slider's (el) left or top position 524 */ 525 var setSlidePosition = function(){ 526 // if last slide, not infinite loop, and number of children is larger than specified maxSlides 527 if(slider.children.length > slider.settings.maxSlides && slider.active.last && !slider.settings.infiniteLoop){ 528 if (slider.settings.mode == 'horizontal'){ 529 // get the last child's position 530 var lastChild = slider.children.last(); 531 var position = lastChild.position(); 532 // set the left position 533 setPositionProperty(-(position.left - (slider.viewport.width() - lastChild.outerWidth())), 'reset', 0); 534 }else if(slider.settings.mode == 'vertical'){ 535 // get the last showing index's position 536 var lastShowingIndex = slider.children.length - slider.settings.minSlides; 537 var position = slider.children.eq(lastShowingIndex).position(); 538 // set the top position 539 setPositionProperty(-position.top, 'reset', 0); 540 } 541 // if not last slide 542 }else{ 543 // get the position of the first showing slide 544 var position = slider.children.eq(slider.active.index * getMoveBy()).position(); 545 // check for last slide 546 if (slider.active.index == getPagerQty() - 1) slider.active.last = true; 547 // set the repective position 548 if (position != undefined){ 549 if (slider.settings.mode == 'horizontal') setPositionProperty(-position.left, 'reset', 0); 550 else if (slider.settings.mode == 'vertical') setPositionProperty(-position.top, 'reset', 0); 551 } 552 } 553 } 554 555 /** 556 * Sets the el's animating property position (which in turn will sometimes animate el). 557 * If using CSS, sets the transform property. If not using CSS, sets the top / left property. 558 * 559 * @param value (int) 560 * - the animating property's value 561 * 562 * @param type (string) 'slider', 'reset', 'ticker' 563 * - the type of instance for which the function is being 564 * 565 * @param duration (int) 566 * - the amount of time (in ms) the transition should occupy 567 * 568 * @param params (array) optional 569 * - an optional parameter containing any variables that need to be passed in 570 */ 571 var setPositionProperty = function(value, type, duration, params){ 572 // use CSS transform 573 if(slider.usingCSS){ 574 // determine the translate3d value 575 var propValue = slider.settings.mode == 'vertical' ? 'translate3d(0, ' + value + 'px, 0)' : 'translate3d(' + value + 'px, 0, 0)'; 576 // add the CSS transition-duration 577 el.css('-' + slider.cssPrefix + '-transition-duration', duration / 1000 + 's'); 578 if(type == 'slide'){ 579 // set the property value 580 el.css(slider.animProp, propValue); 581 // bind a callback method - executes when CSS transition completes 582 el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){ 583 // unbind the callback 584 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd'); 585 updateAfterSlideTransition(); 586 }); 587 }else if(type == 'reset'){ 588 el.css(slider.animProp, propValue); 589 }else if(type == 'ticker'){ 590 // make the transition use 'linear' 591 el.css('-' + slider.cssPrefix + '-transition-timing-function', 'linear'); 592 el.css(slider.animProp, propValue); 593 // bind a callback method - executes when CSS transition completes 594 el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){ 595 // unbind the callback 596 el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd'); 597 // reset the position 598 setPositionProperty(params['resetValue'], 'reset', 0); 599 // start the loop again 600 tickerLoop(); 601 }); 602 } 603 // use JS animate 604 }else{ 605 var animateObj = {}; 606 animateObj[slider.animProp] = value; 607 if(type == 'slide'){ 608 el.animate(animateObj, duration, slider.settings.easing, function(){ 609 updateAfterSlideTransition(); 610 }); 611 }else if(type == 'reset'){ 612 el.css(slider.animProp, value) 613 }else if(type == 'ticker'){ 614 el.animate(animateObj, speed, 'linear', function(){ 615 setPositionProperty(params['resetValue'], 'reset', 0); 616 // run the recursive loop after animation 617 tickerLoop(); 618 }); 619 } 620 } 621 } 622 623 /** 624 * Populates the pager with proper amount of pages 625 */ 626 var populatePager = function(){ 627 var pagerHtml = ''; 628 var pagerQty = getPagerQty(); 629 // loop through each pager item 630 for(var i=0; i < pagerQty; i++){ 631 var linkContent = ''; 632 // if a buildPager function is supplied, use it to get pager link value, else use index + 1 633 if(slider.settings.buildPager && $.isFunction(slider.settings.buildPager)){ 634 linkContent = slider.settings.buildPager(i); 635 slider.pagerEl.addClass('bx-custom-pager'); 636 }else{ 637 linkContent = i + 1; 638 slider.pagerEl.addClass('bx-default-pager'); 639 } 640 // var linkContent = slider.settings.buildPager && $.isFunction(slider.settings.buildPager) ? slider.settings.buildPager(i) : i + 1; 641 // add the markup to the string 642 pagerHtml += '<div class="bx-pager-item">
vendor: 3,630 bytes, lines 642-724
642<a href="" data-slide-index="' + i + '" class="bx-pager-link">' + linkContent + '</a></div>'; 643 }; 644 // populate the pager element with pager links 645 slider.pagerEl.html(pagerHtml); 646 } 647 648 /** 649 * Appends the pager to the controls element 650 */ 651 var appendPager = function(){ 652 if(!slider.settings.pagerCustom){ 653 // create the pager DOM element 654 slider.pagerEl = $('<div class="bx-pager" />'); 655 // if a pager selector was supplied, populate it with the pager 656 if(slider.settings.pagerSelector){ 657 $(slider.settings.pagerSelector).html(slider.pagerEl); 658 // if no pager selector was supplied, add it after the wrapper 659 }else{ 660 slider.controls.el.addClass('bx-has-pager').append(slider.pagerEl); 661 } 662 // populate the pager 663 populatePager(); 664 }else{ 665 slider.pagerEl = $(slider.settings.pagerCustom); 666 } 667 // assign the pager click binding 668 slider.pagerEl.on('click', 'a', clickPagerBind); 669 } 670 671 /** 672 * Appends prev / next controls to the controls element 673 */ 674 var appendControls = function(){ 675 slider.controls.next = $('<a class="bx-next" href="">' + slider.settings.nextText + '</a>'); 676 slider.controls.prev = $('<a class="bx-prev" href="">' + slider.settings.prevText + '</a>'); 677 // bind click actions to the controls 678 slider.controls.next.bind('click', clickNextBind); 679 slider.controls.prev.bind('click', clickPrevBind); 680 // if nextSlector was supplied, populate it 681 if(slider.settings.nextSelector){ 682 $(slider.settings.nextSelector).append(slider.controls.next); 683 } 684 // if prevSlector was supplied, populate it 685 if(slider.settings.prevSelector){ 686 $(slider.settings.prevSelector).append(slider.controls.prev); 687 } 688 // if no custom selectors were supplied 689 if(!slider.settings.nextSelector && !slider.settings.prevSelector){ 690 // add the controls to the DOM 691 slider.controls.directionEl = $('<div class="bx-controls-direction" />'); 692 // add the control elements to the directionEl 693 slider.controls.directionEl.append(slider.controls.prev).append(slider.controls.next); 694 // slider.viewport.append(slider.controls.directionEl); 695 slider.controls.el.addClass('bx-has-controls-direction').append(slider.controls.directionEl); 696 } 697 } 698 699 /** 700 * Appends start / stop auto controls to the controls element 701 */ 702 var appendControlsAuto = function(){ 703 slider.controls.start = $('<div class="bx-controls-auto-item"><a class="bx-start" href="">' + slider.settings.startText + '</a></div>'); 704 slider.controls.stop = $('<div class="bx-controls-auto-item"><a class="bx-stop" href="">' + slider.settings.stopText + '</a></div>'); 705 // add the controls to the DOM 706 slider.controls.autoEl = $('<div class="bx-controls-auto" />'); 707 // bind click actions to the controls 708 slider.controls.autoEl.on('click', '.bx-start', clickStartBind); 709 slider.controls.autoEl.on('click', '.bx-stop', clickStopBind); 710 // if autoControlsCombine, insert only the "start" control 711 if(slider.settings.autoControlsCombine){ 712 slider.controls.autoEl.append(slider.controls.start); 713 // if autoControlsCombine is false, insert both controls 714 }else{ 715 slider.controls.autoEl.append(slider.controls.start).append(slider.controls.stop); 716 } 717 // if auto controls selector was supplied, populate it with the controls 718 if(slider.settings.autoControlsSelector){ 719 $(slider.settings.autoControlsSelector).html(slider.controls.autoEl); 720 // if auto controls selector was not supplied, add it after the wrapper 721 }else{ 722 slider.controls.el.addClass('bx-has-controls-auto').append(slider.controls.autoEl); 723 } 724 // update the auto controls
725 updateAutoControls(slider.settings.autoStart ? 'stop' : 'start'); 726 } 727 728 /** 729 * Appends image captions to the DOM 730 */ 731 var appendCaptions = function(){ 732 // cycle through each child 733 slider.children.each(function(index){ 734 // get the image title attribute 735 var title = $(this).find('img:first').attr('title'); 736 // append the caption 737 if (title != undefined && ('' + title).length) { 738 $(this).append('<div class="bx-caption"><span>' + title + '</span></div>'); 739 } 740 }); 741 } 742 743 /** 744 * Click next binding 745 * 746 * @param e (event) 747 * - DOM event object 748 */ 749 var clickNextBind = function(e){ 750 // if auto show is running, stop it 751 if (slider.settings.auto) el.stopAuto(); 752 el.goToNextSlide(); 753 e.preventDefault(); 754 } 755 756 /** 757 * Click prev binding 758 * 759 * @param e (event) 760 * - DOM event object 761 */ 762 var clickPrevBind = function(e){ 763 // if auto show is running, stop it 764 if (slider.settings.auto) el.stopAuto(); 765 el.goToPrevSlide(); 766 e.preventDefault(); 767 } 768 769 /** 770 * Click start binding 771 * 772 * @param e (event) 773 * - DOM event object 774 */ 775 var clickStartBind = function(e){ 776 el.startAuto(); 777 e.preventDefault(); 778 } 779 780 /** 781 * Click stop binding 782 * 783 * @param e (event) 784 * - DOM event object 785 */ 786 var clickStopBind = function(e){ 787 el.stopAuto(); 788 e.preventDefault(); 789 } 790 791 /** 792 * Click pager binding 793 * 794 * @param e (event) 795 * - DOM event object 796 */ 797 var clickPagerBind = function(e){ 798 // if auto show is running, stop it 799 if (slider.settings.auto) el.stopAuto(); 800 var pagerLink = $(e.currentTarget); 801 if(pagerLink.attr('data-slide-index') !== undefined){ 802 var pagerIndex = parseInt(pagerLink.attr('data-slide-index')); 803 // if clicked pager link is not active, continue with the goToSlide call 804 if(pagerIndex != slider.active.index) el.goToSlide(pagerIndex); 805 e.preventDefault(); 806 } 807 } 808 809 /** 810 * Updates the pager links with an active class 811 * 812 * @param slideIndex (int) 813 * - index of slide to make active 814 */ 815 var updatePagerActive = function(slideIndex){ 816 // if "short" pager type 817 var len = slider.children.length; // nb of children 818 if(slider.settings.pagerType == 'short'){ 819 if(slider.settings.maxSlides > 1) { 820 len = Math.ceil(slider.children.length/slider.settings.maxSlides); 821 } 822 slider.pagerEl.html( (slideIndex + 1) + slider.settings.pagerShortSeparator + len); 823 return; 824 } 825 // remove all pager active classes 826 slider.pagerEl.find('a').removeClass('active'); 827 // apply the active class for all pagers 828 slider.pagerEl.each(function(i, el) { $(el).find('a').eq(slideIndex).addClass('active'); }); 829 } 830 831 /** 832 * Performs needed actions after a slide transition 833 */ 834 var updateAfterSlideTransition = function(){ 835 // if infinte loop is true 836 if(slider.settings.infiniteLoop){ 837 var position = ''; 838 // first slide 839 if(slider.active.index == 0){ 840 // set the new position 841 position = slider.children.eq(0).position(); 842 // carousel, last slide 843 }else if(slider.active.index == getPagerQty() - 1 && slider.carousel){ 844 position = slider.children.eq((getPagerQty() - 1) * getMoveBy()).position(); 845 // last slide 846 }else if(slider.active.index == slider.children.length - 1){ 847 position = slider.children.eq(slider.children.length - 1).position(); 848 } 849 if(position){ 850 if (slider.settings.mode == 'horizontal') { setPositionProperty(-position.left, 'reset', 0); } 851 else if (slider.settings.mode == 'vertical') { setPositionProperty(-position.top, 'reset', 0); } 852 } 853 } 854 // declare that the transition is complete 855 slider.working = false; 856 // onSlideAfter callback 857 slider.settings.onSlideAfter(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 858 } 859 860 /** 861 * Updates the auto controls state (either active, or combined switch) 862 * 863 * @param state (string) "start", "stop" 864 * - the new state of the auto show 865 */ 866 var updateAutoControls = function(state){ 867 // if autoControlsCombine is true, replace the current control with the new state 868 if(slider.settings.autoControlsCombine){ 869 slider.controls.autoEl.html(slider.controls[state]); 870 // if autoControlsCombine is false, apply the "active" class to the appropriate control 871 }else{ 872 slider.controls.autoEl.find('a').removeClass('active');
873 slider.controls.autoEl.find('a:not(.bx-' + state + ')').addClass('active'); 874 } 875 } 876 877 /** 878 * Updates the direction controls (checks if either should be hidden) 879 */ 880 var updateDirectionControls = function(){ 881 if(getPagerQty() == 1){ 882 slider.controls.prev.addClass('disabled'); 883 slider.controls.next.addClass('disabled'); 884 }else if(!slider.settings.infiniteLoop && slider.settings.hideControlOnEnd){ 885 // if first slide 886 if (slider.active.index == 0){ 887 slider.controls.prev.addClass('disabled'); 888 slider.controls.next.removeClass('disabled'); 889 // if last slide 890 }else if(slider.active.index == getPagerQty() - 1){ 891 slider.controls.next.addClass('disabled'); 892 slider.controls.prev.removeClass('disabled'); 893 // if any slide in the middle 894 }else{ 895 slider.controls.prev.removeClass('disabled'); 896 slider.controls.next.removeClass('disabled'); 897 } 898 } 899 } 900 901 /** 902 * Initialzes the auto process 903 */ 904 var initAuto = function(){ 905 // if autoDelay was supplied, launch the auto show using a setTimeout() call 906 if(slider.settings.autoDelay > 0){ 907 var timeout = setTimeout(el.startAuto, slider.settings.autoDelay); 908 // if autoDelay was not supplied, start the auto show normally 909 }else{ 910 el.startAuto(); 911 } 912 // if autoHover is requested 913 if(slider.settings.autoHover){ 914 // on el hover 915 el.hover(function(){ 916 // if the auto show is currently playing (has an active interval) 917 if(slider.interval){ 918 // stop the auto show and pass true agument which will prevent control update 919 el.stopAuto(true); 920 // create a new autoPaused value which will be used by the relative "mouseout" event 921 slider.autoPaused = true; 922 } 923 }, function(){ 924 // if the autoPaused value was created be the prior "mouseover" event 925 if(slider.autoPaused){ 926 // start the auto show and pass true agument which will prevent control update 927 el.startAuto(true); 928 // reset the autoPaused value 929 slider.autoPaused = null; 930 } 931 }); 932 } 933 } 934 935 /** 936 * Initialzes the ticker process 937 */ 938 var initTicker = function(){ 939 var startPosition = 0; 940 // if autoDirection is "next", append a clone of the entire slider 941 if(slider.settings.autoDirection == 'next'){ 942 el.append(slider.children.clone().addClass('bx-clone')); 943 // if autoDirection is "prev", prepend a clone of the entire slider, and set the left position 944 }else{ 945 el.prepend(slider.children.clone().addClass('bx-clone')); 946 var position = slider.children.first().position(); 947 startPosition = slider.settings.mode == 'horizontal' ? -position.left : -position.top; 948 } 949 setPositionProperty(startPosition, 'reset', 0); 950 // do not allow controls in ticker mode 951 slider.settings.pager = false; 952 slider.settings.controls = false; 953 slider.settings.autoControls = false; 954 // if autoHover is requested 955 if(slider.settings.tickerHover && !slider.usingCSS){ 956 // on el hover 957 slider.viewport.hover(function(){ 958 el.stop(); 959 }, function(){ 960 // calculate the total width of children (used to calculate the speed ratio) 961 var totalDimens = 0; 962 slider.children.each(function(index){ 963 totalDimens += slider.settings.mode == 'horizontal' ? $(this).outerWidth(true) : $(this).outerHeight(true); 964 }); 965 // calculate the speed ratio (used to determine the new speed to finish the paused animation) 966 var ratio = slider.settings.speed / totalDimens; 967 // determine which property to use 968 var property = slider.settings.mode == 'horizontal' ? 'left' : 'top'; 969 // calculate the new speed 970 var newSpeed = ratio * (totalDimens - (Math.abs(parseInt(el.css(property))))); 971 tickerLoop(newSpeed); 972 }); 973 } 974 // start the ticker loop 975 tickerLoop(); 976 } 977 978 /** 979 * Runs a continuous loop, news ticker-style 980 */ 981 var tickerLoop = function(resumeSpeed){ 982 speed = resumeSpeed ? resumeSpeed : slider.settings.speed; 983 var position = {left: 0, top: 0}; 984 var reset = {left: 0, top: 0}; 985 // if "next" animate left position to last child, then reset left to 0 986 if(slider.settings.autoDirection == 'next'){ 987 position = el.find('.bx-clone').first().position(); 988 // if "prev" animate left position to 0, then reset left to first non-clone child 989 }else{ 990 reset = slider.children.first().position(); 991 } 992 var animateProperty = slider.settings.mode == 'horizontal' ? -position.left : -position.top; 993 var resetValue = slider.settings.mode == 'horizontal' ? -reset.left : -reset.top; 994 var params = {resetValue: resetValue}; 995 setPositionProperty(animateProperty, 'ticker', speed, params); 996 } 997 998 /** 999 * Initializes touch events 1000 */ 1001 var initTouch = function(){ 1002 // initialize object to contain all touch values 1003 slider.touch = { 1004 start: {x: 0, y: 0}, 1005 end: {x: 0, y: 0} 1006 } 1007 slider.viewport.bind('touchstart', onTouchStart); 1008 } 1009 1010 /** 1011 * Event handler for "touchstart" 1012 * 1013 * @param e (event) 1014 * - DOM event object 1015 */ 1016 var onTouchStart = function(e){ 1017 if(slider.working){ 1018 e.preventDefault(); 1019 }else{ 1020 // record the original position when touch starts 1021 slider.touch.originalPos = el.position(); 1022 var orig = e.originalEvent; 1023 // record the starting touch x, y coordinates
1024 slider.touch.start.x = orig.changedTouches[0].pageX; 1025 slider.touch.start.y = orig.changedTouches[0].pageY; 1026 // bind a "touchmove" event to the viewport 1027 slider.viewport.bind('touchmove', onTouchMove); 1028 // bind a "touchend" event to the viewport 1029 slider.viewport.bind('touchend', onTouchEnd); 1030 } 1031 } 1032 1033 /** 1034 * Event handler for "touchmove" 1035 * 1036 * @param e (event) 1037 * - DOM event object 1038 */ 1039 var onTouchMove = function(e){ 1040 var orig = e.originalEvent; 1041 // if scrolling on y axis, do not prevent default 1042 var xMovement = Math.abs(orig.changedTouches[0].pageX - slider.touch.start.x); 1043 var yMovement = Math.abs(orig.changedTouches[0].pageY - slider.touch.start.y); 1044 // x axis swipe 1045 if((xMovement * 3) > yMovement && slider.settings.preventDefaultSwipeX){ 1046 e.preventDefault(); 1047 // y axis swipe 1048 }else if((yMovement * 3) > xMovement && slider.settings.preventDefaultSwipeY){ 1049 e.preventDefault(); 1050 } 1051 if(slider.settings.mode != 'fade' && slider.settings.oneToOneTouch){ 1052 var value = 0; 1053 // if horizontal, drag along x axis 1054 if(slider.settings.mode == 'horizontal'){ 1055 var change = orig.changedTouches[0].pageX - slider.touch.start.x; 1056 value = slider.touch.originalPos.left + change; 1057 // if vertical, drag along y axis 1058 }else{ 1059 var change = orig.changedTouches[0].pageY - slider.touch.start.y; 1060 value = slider.touch.originalPos.top + change; 1061 } 1062 setPositionProperty(value, 'reset', 0); 1063 } 1064 } 1065 1066 /** 1067 * Event handler for "touchend" 1068 * 1069 * @param e (event) 1070 * - DOM event object 1071 */ 1072 var onTouchEnd = function(e){ 1073 slider.viewport.unbind('touchmove', onTouchMove); 1074 var orig = e.originalEvent; 1075 var value = 0; 1076 // record end x, y positions 1077 slider.touch.end.x = orig.changedTouches[0].pageX; 1078 slider.touch.end.y = orig.changedTouches[0].pageY; 1079 // if fade mode, check if absolute x distance clears the threshold 1080 if(slider.settings.mode == 'fade'){ 1081 var distance = Math.abs(slider.touch.start.x - slider.touch.end.x); 1082 if(distance >= slider.settings.swipeThreshold){ 1083 slider.touch.start.x > slider.touch.end.x ? el.goToNextSlide() : el.goToPrevSlide(); 1084 el.stopAuto(); 1085 } 1086 // not fade mode 1087 }else{ 1088 var distance = 0; 1089 // calculate distance and el's animate property 1090 if(slider.settings.mode == 'horizontal'){ 1091 distance = slider.touch.end.x - slider.touch.start.x; 1092 value = slider.touch.originalPos.left; 1093 }else{ 1094 distance = slider.touch.end.y - slider.touch.start.y; 1095 value = slider.touch.originalPos.top; 1096 } 1097 // if not infinite loop and first / last slide, do not attempt a slide transition 1098 if(!slider.settings.infiniteLoop && ((slider.active.index == 0 && distance > 0) || (slider.active.last && distance < 0))){ 1099 setPositionProperty(value, 'reset', 200); 1100 }else{ 1101 // check if distance clears threshold 1102 if(Math.abs(distance) >= slider.settings.swipeThreshold){ 1103 distance < 0 ? el.goToNextSlide() : el.goToPrevSlide(); 1104 el.stopAuto(); 1105 }else{ 1106 // el.animate(property, 200); 1107 setPositionProperty(value, 'reset', 200); 1108 } 1109 } 1110 } 1111 slider.viewport.unbind('touchend', onTouchEnd); 1112 } 1113 1114 /** 1115 * Window resize event callback 1116 */ 1117 var resizeWindow = function(e){ 1118 // don't do anything if slider isn't initialized. 1119 if(!slider.initialized) return; 1120 // get the new window dimens (again, thank you IE) 1121 var windowWidthNew = $(window).width(); 1122 var windowHeightNew = $(window).height(); 1123 // make sure that it is a true window resize 1124 // *we must check this because our dinosaur friend IE fires a window resize event when certain DOM elements 1125 // are resized. Can you just die already?* 1126 if(windowWidth != windowWidthNew || windowHeight != windowHeightNew){ 1127 // set the new window dimens 1128 windowWidth = windowWidthNew; 1129 windowHeight = windowHeightNew; 1130 // update all dynamic elements 1131 el.redrawSlider(); 1132 // Call user resize handler 1133 slider.settings.onSliderResize.call(el, slider.active.index); 1134 } 1135 } 1136 1137 /** 1138 * =================================================================================== 1139 * = PUBLIC FUNCTIONS 1140 * =================================================================================== 1141 */ 1142 1143 /** 1144 * Performs slide transition to the specified slide 1145 * 1146 * @param slideIndex (int) 1147 * - the destination slide's index (zero-based) 1148 * 1149 * @param direction (string) 1150 * - INTERNAL USE ONLY - the direction of travel ("prev" / "next") 1151 */ 1152 el.goToSlide = function(slideIndex, direction){ 1153 // if plugin is currently in motion, ignore request 1154 if(slider.working || slider.active.index == slideIndex) return; 1155 // declare that plugin is in motion 1156 slider.working = true; 1157 // store the old index 1158 slider.oldIndex = slider.active.index; 1159 // if slideIndex is less than zero, set active index to last child (this happens during infinite loop) 1160 if(slideIndex < 0){ 1161 slider.active.index = getPagerQty() - 1; 1162 // if slideIndex is greater than children length, set active index to 0 (this happens during infinite loop) 1163 }else if(slideIndex >= getPagerQty()){ 1164 slider.active.index = 0; 1165 // set active index to requested slide 1166 }else{ 1167 slider.active.index = slideIndex; 1168 } 1169 // onSlideBefore, onSlideNext, onSlidePrev callbacks 1170 slider.settings.onSlideBefore(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1171 if(direction == 'next'){ 1172 slider.settings.onSlideNext(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1173 }else if(direction == 'prev'){ 1174 slider.settings.onSlidePrev(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index); 1175 } 1176 // check if last slide 1177 slider.active.last = slider.active.index >= getPagerQty() - 1; 1178 // update the pager with active class 1179 if(slider.settings.pager) updatePagerActive(slider.active.index); 1180 // // check for direction control update 1181 if(slider.settings.controls) updateDirectionControls(); 1182 // if slider is set to mode: "fade" 1183 if(slider.settings.mode == 'fade'){ 1184 // if adaptiveHeight is true and next height is different from current height, animate to the new height 1185 if(slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHe
1185ight()){ 1186 slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed); 1187 } 1188 // fade out the visible child and reset its z-index value 1189 slider.children.filter(':visible').fadeOut(slider.settings.speed).css({zIndex: 0}); 1190 // fade in the newly requested slide 1191 slider.children.eq(slider.active.index).css('zIndex', slider.settings.slideZIndex+1).fadeIn(slider.settings.speed, function(){ 1192 $(this).css('zIndex', slider.settings.slideZIndex); 1193 updateAfterSlideTransition(); 1194 }); 1195 // slider mode is not "fade" 1196 }else{ 1197 // if adaptiveHeight is true and next height is different from current height, animate to the new height 1198 if(slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHeight()){ 1199 slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed); 1200 } 1201 var moveBy = 0; 1202 var position = {left: 0, top: 0}; 1203 // if carousel and not infinite loop 1204 if(!slider.settings.infiniteLoop && slider.carousel && slider.active.last){ 1205 if(slider.settings.mode == 'horizontal'){ 1206 // get the last child position 1207 var lastChild = slider.children.eq(slider.children.length - 1); 1208 position = lastChild.position(); 1209 // calculate the position of the last slide 1210 moveBy = slider.viewport.width() - lastChild.outerWidth(); 1211 }else{ 1212 // get last showing index position 1213 var lastShowingIndex = slider.children.length - slider.settings.minSlides; 1214 position = slider.children.eq(lastShowingIndex).position(); 1215 } 1216 // horizontal carousel, going previous while on first slide (infiniteLoop mode) 1217 }else if(slider.carousel && slider.active.last && direction == 'prev'){ 1218 // get the last child position 1219 var eq = slider.settings.moveSlides == 1 ? slider.settings.maxSlides - getMoveBy() : ((getPagerQty() - 1) * getMoveBy()) - (slider.children.length - slider.settings.maxSlides); 1220 var lastChild = el.children('.bx-clone').eq(eq); 1221 position = lastChild.position(); 1222 // if infinite loop and "Next" is clicked on the last slide 1223 }else if(direction == 'next' && slider.active.index == 0){ 1224 // get the last clone position 1225 position = el.find('> .bx-clone').eq(slider.settings.maxSlides).position(); 1226 slider.active.last = false; 1227 // normal non-zero requests 1228 }else if(slideIndex >= 0){ 1229 var requestEl = slideIndex * getMoveBy(); 1230 position = slider.children.eq(requestEl).position(); 1231 } 1232 1233 /* If the position doesn't exist 1234 * (e.g. if you destroy the slider on a next click), 1235 * it doesn't throw an error. 1236 */ 1237 if ("undefined" !== typeof(position)) { 1238 var value = slider.settings.mode == 'horizontal' ? -(position.left - moveBy) : -position.top; 1239 // plugin values to be animated 1240 setPositionProperty(value, 'slide', slider.settings.speed); 1241 } 1242 } 1243 } 1244 1245 /** 1246 * Transitions to the next slide in the show 1247 */ 1248 el.goToNextSlide = function(){ 1249 // if infiniteLoop is false and last page is showing, disregard call 1250 if (!slider.settings.infiniteLoop && slider.active.last) return; 1251 var pagerIndex = parseInt(slider.active.index) + 1; 1252 el.goToSlide(pagerIndex, 'next'); 1253 } 1254 1255 /** 1256 * Transitions to the prev slide in the show 1257 */ 1258 el.goToPrevSlide = function(){ 1259 // if infiniteLoop is false and last page is showing, disregard call 1260 if (!slider.settings.infiniteLoop && slider.active.index == 0) return; 1261 var pagerIndex = parseInt(slider.active.index) - 1; 1262 el.goToSlide(pagerIndex, 'prev'); 1263 } 1264 1265 /** 1266 * Starts the auto show 1267 * 1268 * @param preventControlUpdate (boolean) 1269 * - if true, auto controls state will not be updated 1270 */ 1271 el.startAuto = function(preventControlUpdate){ 1272 // if an interval already exists, disregard call 1273 if(slider.interval) return; 1274 // create an interval 1275 slider.interval = setInterval(function(){ 1276 slider.settings.autoDirection == 'next' ? el.goToNextSlide() : el.goToPrevSlide(); 1277 }, slider.settings.pause); 1278 // if auto controls are displayed and preventControlUpdate is not true 1279 if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('stop'); 1280 } 1281 1282 /** 1283 * Stops the auto show 1284 * 1285 * @param preventControlUpdate (boolean) 1286 * - if true, auto controls state will not be updated 1287 */ 1288 el.stopAuto = function(preventControlUpdate){ 1289 // if no interval exists, disregard call
1290 if(!slider.interval) return; 1291 // clear the interval 1292 clearInterval(slider.interval); 1293 slider.interval = null; 1294 // if auto controls are displayed and preventControlUpdate is not true 1295 if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('start'); 1296 } 1297 1298 /** 1299 * Returns current slide index (zero-based) 1300 */ 1301 el.getCurrentSlide = function(){ 1302 return slider.active.index; 1303 } 1304 1305 /** 1306 * Returns current slide element 1307 */ 1308 el.getCurrentSlideElement = function(){ 1309 return slider.children.eq(slider.active.index); 1310 } 1311 1312 /** 1313 * Returns number of slides in show 1314 */ 1315 el.getSlideCount = function(){ 1316 return slider.children.length; 1317 } 1318 1319 /** 1320 * Update all dynamic slider elements 1321 */ 1322 el.redrawSlider = function(){ 1323 // resize all children in ratio to new screen size 1324 slider.children.add(el.find('.bx-clone')).width(getSlideWidth()); 1325 // adjust the height 1326 slider.viewport.css('height', getViewportHeight()); 1327 // update the slide position 1328 if(!slider.settings.ticker) setSlidePosition(); 1329 // if active.last was true before the screen resize, we want 1330 // to keep it last no matter what screen size we end on 1331 if (slider.active.last) slider.active.index = getPagerQty() - 1; 1332 // if the active index (page) no longer exists due to the resize, simply set the index as last 1333 if (slider.active.index >= getPagerQty()) slider.active.last = true; 1334 // if a pager is being displayed and a custom pager is not being used, update it 1335 if(slider.settings.pager && !slider.settings.pagerCustom){ 1336 populatePager(); 1337 updatePagerActive(slider.active.index); 1338 } 1339 } 1340 1341 /** 1342 * Destroy the current instance of the slider (revert everything back to original state) 1343 */ 1344 el.destroySlider = function(){ 1345 // don't do anything if slider has already been destroyed 1346 if(!slider.initialized) return; 1347 slider.initialized = false; 1348 $('.bx-clone', this).remove(); 1349 slider.children.each(function() { 1350 $(this).data("origStyle") != undefined ? $(this).attr("style", $(this).data("origStyle")) : $(this).removeAttr('style'); 1351 }); 1352 $(this).data("origStyle") != undefined ? this.attr("style", $(this).data("origStyle")) : $(this).removeAttr('style'); 1353 $(this).unwrap().unwrap(); 1354 if(slider.controls.el) slider.controls.el.remove(); 1355 if(slider.controls.next) slider.controls.next.remove(); 1356 if(slider.controls.prev) slider.controls.prev.remove(); 1357 if(slider.pagerEl && slider.settings.controls) slider.pagerEl.remove(); 1358 $('.bx-caption', this).remove(); 1359 if(slider.controls.autoEl) slider.controls.autoEl.remove(); 1360 clearInterval(slider.interval); 1361 if(slider.settings.responsive) $(window).unbind('resize', resizeWindow); 1362 } 1363 1364 /** 1365 * Reload the slider (revert all DOM changes, and re-initialize) 1366 */ 1367 el.reloadSlider = function(settings){ 1368 if (settings != undefined) options = settings; 1369 el.destroySlider(); 1370 init(); 1371 } 1372 1373 init(); 1374 1375 // returns the current jQuery object 1376 return this; 1377 } 1378 1379})(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.