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| − | /**
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| − | * BxSlider v4.1.1 - Fully loaded, responsive content slider
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| − | * http://bxslider.com
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| − | *
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| − | * Copyright 2012, Steven Wanderski - http://stevenwanderski.com - http://bxcreative.com
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| − | * Written while drinking Belgian ales and listening to jazz
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| − | *
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| − | * Released under the WTFPL license - http://sam.zoy.org/wtfpl/
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| − | */
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| | | | |
| − | ;(function($){
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| − |
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| − | var plugin = {};
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| − |
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| − | var defaults = {
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| − |
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| − | // GENERAL
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| − | mode: 'horizontal',
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| − | slideSelector: '',
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| − | infiniteLoop: true,
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| − | hideControlOnEnd: false,
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| − | speed: 500,
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| − | easing: null,
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| − | slideMargin: 0,
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| − | startSlide: 0,
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| − | randomStart: false,
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| − | captions: false,
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| − | ticker: false,
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| − | tickerHover: false,
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| − | adaptiveHeight: false,
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| − | adaptiveHeightSpeed: 500,
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| − | video: false,
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| − | useCSS: true,
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| − | preloadImages: 'visible',
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| − | responsive: true,
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| − |
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| − | // TOUCH
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| − | touchEnabled: true,
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| − | swipeThreshold: 50,
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| − | oneToOneTouch: true,
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| − | preventDefaultSwipeX: true,
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| − | preventDefaultSwipeY: false,
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| − |
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| − | // PAGER
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| − | pager: true,
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| − | pagerType: 'full',
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| − | pagerShortSeparator: ' / ',
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| − | pagerSelector: null,
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| − | buildPager: null,
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| − | pagerCustom: null,
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| − |
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| − | // CONTROLS
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| − | controls: true,
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| − | nextText: 'Next',
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| − | prevText: 'Prev',
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| − | nextSelector: null,
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| − | prevSelector: null,
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| − | autoControls: false,
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| − | startText: 'Start',
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| − | stopText: 'Stop',
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| − | autoControlsCombine: false,
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| − | autoControlsSelector: null,
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| − |
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| − | // AUTO
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| − | auto: false,
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| − | pause: 4000,
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| − | autoStart: true,
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| − | autoDirection: 'next',
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| − | autoHover: false,
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| − | autoDelay: 0,
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| − |
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| − | // CAROUSEL
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| − | minSlides: 1,
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| − | maxSlides: 1,
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| − | moveSlides: 0,
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| − | slideWidth: 0,
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| − |
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| − | // CALLBACKS
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| − | onSliderLoad: function() {},
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| − | onSlideBefore: function() {},
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| − | onSlideAfter: function() {},
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| − | onSlideNext: function() {},
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| − | onSlidePrev: function() {}
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| − | }
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| − |
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| − | $.fn.bxSlider = function(options){
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| − |
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| − | if(this.length == 0) return this;
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| − |
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| − | // support mutltiple elements
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| − | if(this.length > 1){
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| − | this.each(function(){$(this).bxSlider(options)});
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| − | return this;
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| − | }
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| − |
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| − | // create a namespace to be used throughout the plugin
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| − | var slider = {};
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| − | // set a reference to our slider element
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| − | var el = this;
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| − | plugin.el = this;
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| − |
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| − | /**
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| − | * Makes slideshow responsive
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| − | */
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| − | // first get the original window dimens (thanks alot IE)
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| − | var windowWidth = $(window).width();
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| − | var windowHeight = $(window).height();
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| − |
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| − |
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| − |
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| − | /**
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| − | * ===================================================================================
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| − | * = PRIVATE FUNCTIONS
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| − | * ===================================================================================
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| − | */
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| − |
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| − | /**
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| − | * Initializes namespace settings to be used throughout plugin
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| − | */
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| − | var init = function(){
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| − | // merge user-supplied options with the defaults
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| − | slider.settings = $.extend({}, defaults, options);
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| − | // parse slideWidth setting
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| − | slider.settings.slideWidth = parseInt(slider.settings.slideWidth);
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| − | // store the original children
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| − | slider.children = el.children(slider.settings.slideSelector);
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| − | // check if actual number of slides is less than minSlides / maxSlides
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| − | if(slider.children.length < slider.settings.minSlides) slider.settings.minSlides = slider.children.length;
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| − | if(slider.children.length < slider.settings.maxSlides) slider.settings.maxSlides = slider.children.length;
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| − | // if random start, set the startSlide setting to random number
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| − | if(slider.settings.randomStart) slider.settings.startSlide = Math.floor(Math.random() * slider.children.length);
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| − | // store active slide information
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| − | slider.active = { index: slider.settings.startSlide }
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| − | // store if the slider is in carousel mode (displaying / moving multiple slides)
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| − | slider.carousel = slider.settings.minSlides > 1 || slider.settings.maxSlides > 1;
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| − | // if carousel, force preloadImages = 'all'
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| − | if(slider.carousel) slider.settings.preloadImages = 'all';
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| − | // calculate the min / max width thresholds based on min / max number of slides
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| − | // used to setup and update carousel slides dimensions
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| − | slider.minThreshold = (slider.settings.minSlides * slider.settings.slideWidth) + ((slider.settings.minSlides - 1) * slider.settings.slideMargin);
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| − | slider.maxThreshold = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin);
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| − | // store the current state of the slider (if currently animating, working is true)
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| − | slider.working = false;
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| − | // initialize the controls object
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| − | slider.controls = {};
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| − | // initialize an auto interval
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| − | slider.interval = null;
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| − | // determine which property to use for transitions
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| − | slider.animProp = slider.settings.mode == 'vertical' ? 'top' : 'left';
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| − | // determine if hardware acceleration can be used
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| − | slider.usingCSS = slider.settings.useCSS && slider.settings.mode != 'fade' && (function(){
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| − | // create our test div element
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| − | var div = document.createElement('div');
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| − | // css transition properties
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| − | var props = ['WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective'];
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| − | // test for each property
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| − | for(var i in props){
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| − | if(div.style[props[i]] !== undefined){
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| − | slider.cssPrefix = props[i].replace('Perspective', '').toLowerCase();
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| − | slider.animProp = '-' + slider.cssPrefix + '-transform';
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| − | return true;
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| − | }
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| − | }
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| − | return false;
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| − | }());
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| − | // if vertical mode always make maxSlides and minSlides equal
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| − | if(slider.settings.mode == 'vertical') slider.settings.maxSlides = slider.settings.minSlides;
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| − | // save original style data
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| − | el.data("origStyle", el.attr("style"));
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| − | el.children(slider.settings.slideSelector).each(function() {
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| − | $(this).data("origStyle", $(this).attr("style"));
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| − | });
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| − | // perform all DOM / CSS modifications
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| − | setup();
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| − | }
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| − |
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| − | /**
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| − | * Performs all DOM and CSS modifications
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| − | */
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| − | var setup = function(){
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| − | // wrap el in a wrapper
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| − | el.wrap('<div class="bx-wrapper"><div class="bx-viewport"></div></div>');
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| − | // store a namspace reference to .bx-viewport
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| − | slider.viewport = el.parent();
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| − | // add a loading div to display while images are loading
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| − | slider.loader = $('<div class="bx-loading" />');
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| − | slider.viewport.prepend(slider.loader);
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| − | // set el to a massive width, to hold any needed slides
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| − | // also strip any margin and padding from el
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| − | el.css({
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| − | width: slider.settings.mode == 'horizontal' ? (slider.children.length * 100 + 215) + '%' : 'auto',
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| − | position: 'relative'
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| − | });
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| − | // if using CSS, add the easing property
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| − | if(slider.usingCSS && slider.settings.easing){
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| − | el.css('-' + slider.cssPrefix + '-transition-timing-function', slider.settings.easing);
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| − | // if not using CSS and no easing value was supplied, use the default JS animation easing (swing)
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| − | }else if(!slider.settings.easing){
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| − | slider.settings.easing = 'swing';
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| − | }
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| − | var slidesShowing = getNumberSlidesShowing();
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| − | // make modifications to the viewport (.bx-viewport)
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| − | slider.viewport.css({
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| − | width: '100%',
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| − | overflow: 'hidden',
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| − | position: 'relative'
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| − | });
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| − | slider.viewport.parent().css({
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| − | maxWidth: getViewportMaxWidth()
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| − | });
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| − | // make modification to the wrapper (.bx-wrapper)
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| − | if(!slider.settings.pager) {
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| − | slider.viewport.parent().css({
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| − | margin: '0 auto 0px'
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| − | });
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| − | }
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| − | // apply css to all slider children
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| − | slider.children.css({
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| − | 'float': slider.settings.mode == 'horizontal' ? 'left' : 'none',
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| − | listStyle: 'none',
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| − | position: 'relative'
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| − | });
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| − | // apply the calculated width after the float is applied to prevent scrollbar interference
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| − | if (slider.carousel) {
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| − | slider.viewport.css('border', '0px');
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| − | slider.children.css('width', getSlideWidth());
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| − | slider.children.css('height', (getSlideWidth()*232)/350);
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| − | } else {
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| − | slider.children.css('width', getSlideWidth());
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| − | }
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| − | // if slideMargin is supplied, add the css
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| − | if(slider.settings.mode == 'horizontal' && slider.settings.slideMargin > 0) slider.children.css('marginRight', slider.settings.slideMargin);
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| − | if(slider.settings.mode == 'vertical' && slider.settings.slideMargin > 0) slider.children.css('marginBottom', slider.settings.slideMargin);
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| − | // if "fade" mode, add positioning and z-index CSS
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| − | if(slider.settings.mode == 'fade'){
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| − | slider.children.css({
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| − | position: 'absolute',
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| − | zIndex: 0,
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| − | display: 'none'
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| − | });
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| − | // prepare the z-index on the showing element
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| − | slider.children.eq(slider.settings.startSlide).css({zIndex: 50, display: 'block'});
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| − | }
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| − | // create an element to contain all slider controls (pager, start / stop, etc)
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| − | slider.controls.el = $('<div class="bx-controls" />');
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| − | // if captions are requested, add them
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| − | if(slider.settings.captions) appendCaptions();
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| − | // check if startSlide is last slide
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| − | slider.active.last = slider.settings.startSlide == getPagerQty() - 1;
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| − | // if video is true, set up the fitVids plugin
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| − | if(slider.settings.video) el.fitVids();
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| − | // set the default preload selector (visible)
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| − | var preloadSelector = slider.children.eq(slider.settings.startSlide);
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| − | if (slider.settings.preloadImages == "all") preloadSelector = slider.children;
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| − | // only check for control addition if not in "ticker" mode
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| − | if(!slider.settings.ticker){
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| − | // if pager is requested, add it
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| − | if(slider.settings.pager) appendPager();
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| − | // if controls are requested, add them
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| − | if(slider.settings.controls) appendControls();
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| − | // if auto is true, and auto controls are requested, add them
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| − | if(slider.settings.auto && slider.settings.autoControls) appendControlsAuto();
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| − | // if any control option is requested, add the controls wrapper
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| − | if(slider.settings.controls || slider.settings.autoControls || slider.settings.pager) slider.viewport.after(slider.controls.el);
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| − | // if ticker mode, do not allow a pager
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| − | }else{
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| − | slider.settings.pager = false;
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| − | }
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| − | // preload all images, then perform final DOM / CSS modifications that depend on images being loaded
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| − | loadElements(preloadSelector, start);
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| − | }
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| − |
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| − | var loadElements = function(selector, callback){
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| − | var total = selector.find('img, iframe').length;
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| − | if (total == 0){
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| − | callback();
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| − | return;
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| − | }
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| − | var count = 0;
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| − | selector.find('img, iframe').each(function(){
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| − | if($(this).is('img')) $(this).attr('src', $(this).attr('src') + '?timestamp=' + new Date().getTime());
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| − | $(this).load(function(){
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| − | setTimeout(function(){
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| − | if(++count == total) callback();
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| − | }, 0)
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| − | });
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| − | });
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| − | }
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| − |
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| − | /**
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| − | * Start the slider
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| − | */
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| − | var start = function(){
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| − | // if infinite loop, prepare additional slides
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| − | if(slider.settings.infiniteLoop && slider.settings.mode != 'fade' && !slider.settings.ticker){
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| − | var slice = slider.settings.mode == 'vertical' ? slider.settings.minSlides : slider.settings.maxSlides;
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| − | var sliceAppend = slider.children.slice(0, slice).clone().addClass('bx-clone');
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| − | var slicePrepend = slider.children.slice(-slice).clone().addClass('bx-clone');
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| − | el.append(sliceAppend).prepend(slicePrepend);
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| − | }
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| − | // remove the loading DOM element
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| − | slider.loader.remove();
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| − | // set the left / top position of "el"
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| − | setSlidePosition();
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| − | // if "vertical" mode, always use adaptiveHeight to prevent odd behavior
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| − | if (slider.settings.mode == 'vertical') slider.settings.adaptiveHeight = true;
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| − | // set the viewport height
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| − | slider.viewport.height(getViewportHeight());
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| − | // make sure everything is positioned just right (same as a window resize)
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| − | el.redrawSlider();
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| − | // onSliderLoad callback
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| − | slider.settings.onSliderLoad(slider.active.index);
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| − | // slider has been fully initialized
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| − | slider.initialized = true;
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| − | // bind the resize call to the window
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| − | if (slider.settings.responsive) $(window).bind('resize', resizeWindow);
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| − | // if auto is true, start the show
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| − | if (slider.settings.auto && slider.settings.autoStart) initAuto();
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| − | // if ticker is true, start the ticker
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| − | if (slider.settings.ticker) initTicker();
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| − | // if pager is requested, make the appropriate pager link active
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| − | if (slider.settings.pager) updatePagerActive(slider.settings.startSlide);
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| − | // check for any updates to the controls (like hideControlOnEnd updates)
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| − | if (slider.settings.controls) updateDirectionControls();
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| − | // if touchEnabled is true, setup the touch events
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| − | if (slider.settings.touchEnabled && !slider.settings.ticker) initTouch();
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| − | }
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| − |
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| − | /**
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| − | * Returns the calculated height of the viewport, used to determine either adaptiveHeight or the maxHeight value
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| − | */
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| − | var getViewportHeight = function(){
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| − | var height = 0;
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| − | // first determine which children (slides) should be used in our height calculation
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| − | var children = $();
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| − | // if mode is not "vertical" and adaptiveHeight is false, include all children
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| − | if(slider.settings.mode != 'vertical' && !slider.settings.adaptiveHeight){
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| − | children = slider.children;
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| − | }else{
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| − | // if not carousel, return the single active child
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| − | if(!slider.carousel){
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| − | children = slider.children.eq(slider.active.index);
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| − | // if carousel, return a slice of children
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| − | }else{
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| − | // get the individual slide index
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| − | var currentIndex = slider.settings.moveSlides == 1 ? slider.active.index : slider.active.index * getMoveBy();
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| − | // add the current slide to the children
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| − | children = slider.children.eq(currentIndex);
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| − | // cycle through the remaining "showing" slides
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| − | for (i = 1; i <= slider.settings.maxSlides - 1; i++){
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| − | // if looped back to the start
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| − | if(currentIndex + i >= slider.children.length){
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| − | children = children.add(slider.children.eq(i - 1));
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| − | }else{
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| − | children = children.add(slider.children.eq(currentIndex + i));
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| − | }
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| − | }
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| − | }
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| − | }
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| − | // if "vertical" mode, calculate the sum of the heights of the children
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| − | if(slider.settings.mode == 'vertical'){
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| − | children.each(function(index) {
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| − | height += $(this).outerHeight();
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| − | });
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| − | // add user-supplied margins
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| − | if(slider.settings.slideMargin > 0){
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| − | height += slider.settings.slideMargin * (slider.settings.minSlides - 1);
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| − | }
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| − | // if not "vertical" mode, calculate the max height of the children
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| − | }else{
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| − | height = Math.max.apply(Math, children.map(function(){
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| − | return $(this).outerHeight(false);
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| − | }).get());
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| − | }
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| − | return height;
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| − | }
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| − |
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| − | /**
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| − | * Returns the calculated width to be used for the outer wrapper / viewport
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| − | */
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| − | var getViewportMaxWidth = function(){
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| − | var width = '100%';
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| − | if(slider.settings.slideWidth > 0){
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| − | if(slider.settings.mode == 'horizontal'){
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| − | width = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin);
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| − | }else{
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| − | width = slider.settings.slideWidth;
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| − | }
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| − | }
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| − | return width;
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| − | }
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| − |
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| − | /**
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| − | * Returns the calculated width to be applied to each slide
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| − | */
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| − | var getSlideWidth = function(){
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| − | // start with any user-supplied slide width
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| − | var newElWidth = slider.settings.slideWidth;
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| − | // get the current viewport width
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| − | var wrapWidth = slider.viewport.width();
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| − | // if slide width was not supplied, or is larger than the viewport use the viewport width
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| − | if(slider.settings.slideWidth == 0 ||
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| − | (slider.settings.slideWidth > wrapWidth && !slider.carousel) ||
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| − | slider.settings.mode == 'vertical'){
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| − | newElWidth = wrapWidth;
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| − | // if carousel, use the thresholds to determine the width
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| − | }else if(slider.settings.maxSlides > 1 && slider.settings.mode == 'horizontal'){
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| − | if(wrapWidth > slider.maxThreshold){
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| − | // newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.maxSlides - 1))) / slider.settings.maxSlides;
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| − | }else if(wrapWidth < slider.minThreshold){
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| − | newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.minSlides - 1))) / slider.settings.minSlides;
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| − | }
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| − | }
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| − | return newElWidth;
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| − | }
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| − |
| |
| − | /**
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| − | * Returns the number of slides currently visible in the viewport (includes partially visible slides)
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| − | */
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| − | var getNumberSlidesShowing = function(){
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| − | var slidesShowing = 1;
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| − | if(slider.settings.mode == 'horizontal' && slider.settings.slideWidth > 0){
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| − | // if viewport is smaller than minThreshold, return minSlides
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| − | if(slider.viewport.width() < slider.minThreshold){
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| − | slidesShowing = slider.settings.minSlides;
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| − | // if viewport is larger than minThreshold, return maxSlides
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| − | }else if(slider.viewport.width() > slider.maxThreshold){
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| − | slidesShowing = slider.settings.maxSlides;
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| − | // if viewport is between min / max thresholds, divide viewport width by first child width
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| − | }else{
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| − | var childWidth = slider.children.first().width();
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| − | slidesShowing = Math.floor(slider.viewport.width() / childWidth);
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| − | }
| |
| − | // if "vertical" mode, slides showing will always be minSlides
| |
| − | }else if(slider.settings.mode == 'vertical'){
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| − | slidesShowing = slider.settings.minSlides;
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| − | }
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| − | return slidesShowing;
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| − | }
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| − |
| |
| − | /**
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| − | * Returns the number of pages (one full viewport of slides is one "page")
| |
| − | */
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| − | var getPagerQty = function(){
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| − | var pagerQty = 0;
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| − | // if moveSlides is specified by the user
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| − | if(slider.settings.moveSlides > 0){
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| − | if(slider.settings.infiniteLoop){
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| − | pagerQty = slider.children.length / getMoveBy();
| |
| − | }else{
| |
| − | // use a while loop to determine pages
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| − | var breakPoint = 0;
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| − | var counter = 0
| |
| − | // when breakpoint goes above children length, counter is the number of pages
| |
| − | while (breakPoint < slider.children.length){
| |
| − | ++pagerQty;
| |
| − | breakPoint = counter + getNumberSlidesShowing();
| |
| − | counter += slider.settings.moveSlides <= getNumberSlidesShowing() ? slider.settings.moveSlides : getNumberSlidesShowing();
| |
| − | }
| |
| − | }
| |
| − | // if moveSlides is 0 (auto) divide children length by sides showing, then round up
| |
| − | }else{
| |
| − | pagerQty = Math.ceil(slider.children.length / getNumberSlidesShowing());
| |
| − | }
| |
| − | return pagerQty;
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Returns the number of indivual slides by which to shift the slider
| |
| − | */
| |
| − | var getMoveBy = function(){
| |
| − | // if moveSlides was set by the user and moveSlides is less than number of slides showing
| |
| − | if(slider.settings.moveSlides > 0 && slider.settings.moveSlides <= getNumberSlidesShowing()){
| |
| − | return slider.settings.moveSlides;
| |
| − | }
| |
| − | // if moveSlides is 0 (auto)
| |
| − | return getNumberSlidesShowing();
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Sets the slider's (el) left or top position
| |
| − | */
| |
| − | var setSlidePosition = function(){
| |
| − | // if last slide, not infinite loop, and number of children is larger than specified maxSlides
| |
| − | if(slider.children.length > slider.settings.maxSlides && slider.active.last && !slider.settings.infiniteLoop){
| |
| − | if (slider.settings.mode == 'horizontal'){
| |
| − | // get the last child's position
| |
| − | var lastChild = slider.children.last();
| |
| − | var position = lastChild.position();
| |
| − | // set the left position
| |
| − | setPositionProperty(-(position.left - (slider.viewport.width() - lastChild.width())), 'reset', 0);
| |
| − | }else if(slider.settings.mode == 'vertical'){
| |
| − | // get the last showing index's position
| |
| − | var lastShowingIndex = slider.children.length - slider.settings.minSlides;
| |
| − | var position = slider.children.eq(lastShowingIndex).position();
| |
| − | // set the top position
| |
| − | setPositionProperty(-position.top, 'reset', 0);
| |
| − | }
| |
| − | // if not last slide
| |
| − | }else{
| |
| − | // get the position of the first showing slide
| |
| − | var position = slider.children.eq(slider.active.index * getMoveBy()).position();
| |
| − | // check for last slide
| |
| − | if (slider.active.index == getPagerQty() - 1) slider.active.last = true;
| |
| − | // set the repective position
| |
| − | if (position != undefined){
| |
| − | if (slider.settings.mode == 'horizontal') setPositionProperty(-position.left, 'reset', 0);
| |
| − | else if (slider.settings.mode == 'vertical') setPositionProperty(-position.top, 'reset', 0);
| |
| − | }
| |
| − | }
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Sets the el's animating property position (which in turn will sometimes animate el).
| |
| − | * If using CSS, sets the transform property. If not using CSS, sets the top / left property.
| |
| − | *
| |
| − | * @param value (int)
| |
| − | * - the animating property's value
| |
| − | *
| |
| − | * @param type (string) 'slider', 'reset', 'ticker'
| |
| − | * - the type of instance for which the function is being
| |
| − | *
| |
| − | * @param duration (int)
| |
| − | * - the amount of time (in ms) the transition should occupy
| |
| − | *
| |
| − | * @param params (array) optional
| |
| − | * - an optional parameter containing any variables that need to be passed in
| |
| − | */
| |
| − | var setPositionProperty = function(value, type, duration, params){
| |
| − | // use CSS transform
| |
| − | if(slider.usingCSS){
| |
| − | // determine the translate3d value
| |
| − | var propValue = slider.settings.mode == 'vertical' ? 'translate3d(0, ' + value + 'px, 0)' : 'translate3d(' + value + 'px, 0, 0)';
| |
| − | // add the CSS transition-duration
| |
| − | el.css('-' + slider.cssPrefix + '-transition-duration', duration / 1000 + 's');
| |
| − | if(type == 'slide'){
| |
| − | // set the property value
| |
| − | el.css(slider.animProp, propValue);
| |
| − | // bind a callback method - executes when CSS transition completes
| |
| − | el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){
| |
| − | // unbind the callback
| |
| − | el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd');
| |
| − | updateAfterSlideTransition();
| |
| − | });
| |
| − | }else if(type == 'reset'){
| |
| − | el.css(slider.animProp, propValue);
| |
| − | }else if(type == 'ticker'){
| |
| − | // make the transition use 'linear'
| |
| − | el.css('-' + slider.cssPrefix + '-transition-timing-function', 'linear');
| |
| − | el.css(slider.animProp, propValue);
| |
| − | // bind a callback method - executes when CSS transition completes
| |
| − | el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){
| |
| − | // unbind the callback
| |
| − | el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd');
| |
| − | // reset the position
| |
| − | setPositionProperty(params['resetValue'], 'reset', 0);
| |
| − | // start the loop again
| |
| − | tickerLoop();
| |
| − | });
| |
| − | }
| |
| − | // use JS animate
| |
| − | }else{
| |
| − | var animateObj = {};
| |
| − | animateObj[slider.animProp] = value;
| |
| − | if(type == 'slide'){
| |
| − | el.animate(animateObj, duration, slider.settings.easing, function(){
| |
| − | updateAfterSlideTransition();
| |
| − | });
| |
| − | }else if(type == 'reset'){
| |
| − | el.css(slider.animProp, value)
| |
| − | }else if(type == 'ticker'){
| |
| − | el.animate(animateObj, speed, 'linear', function(){
| |
| − | setPositionProperty(params['resetValue'], 'reset', 0);
| |
| − | // run the recursive loop after animation
| |
| − | tickerLoop();
| |
| − | });
| |
| − | }
| |
| − | }
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Populates the pager with proper amount of pages
| |
| − | */
| |
| − | var populatePager = function(){
| |
| − | var pagerHtml = '';
| |
| − | var pagerQty = getPagerQty();
| |
| − | // loop through each pager item
| |
| − | for(var i=0; i < pagerQty; i++){
| |
| − | var linkContent = '';
| |
| − | // if a buildPager function is supplied, use it to get pager link value, else use index + 1
| |
| − | if(slider.settings.buildPager && $.isFunction(slider.settings.buildPager)){
| |
| − | linkContent = slider.settings.buildPager(i);
| |
| − | slider.pagerEl.addClass('bx-custom-pager');
| |
| − | }else{
| |
| − | linkContent = i + 1;
| |
| − | slider.pagerEl.addClass('bx-default-pager');
| |
| − | }
| |
| − | // var linkContent = slider.settings.buildPager && $.isFunction(slider.settings.buildPager) ? slider.settings.buildPager(i) : i + 1;
| |
| − | // add the markup to the string
| |
| − | pagerHtml += '<div class="bx-pager-item"><a href="" data-slide-index="' + i + '" class="bx-pager-link">' + linkContent + '</a></div>';
| |
| − | };
| |
| − | // populate the pager element with pager links
| |
| − | slider.pagerEl.html(pagerHtml);
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Appends the pager to the controls element
| |
| − | */
| |
| − | var appendPager = function(){
| |
| − | if(!slider.settings.pagerCustom){
| |
| − | // create the pager DOM element
| |
| − | slider.pagerEl = $('<div class="bx-pager" />');
| |
| − | // if a pager selector was supplied, populate it with the pager
| |
| − | if(slider.settings.pagerSelector){
| |
| − | $(slider.settings.pagerSelector).html(slider.pagerEl);
| |
| − | // if no pager selector was supplied, add it after the wrapper
| |
| − | }else{
| |
| − | slider.controls.el.addClass('bx-has-pager').append(slider.pagerEl);
| |
| − | }
| |
| − | // populate the pager
| |
| − | populatePager();
| |
| − | }else{
| |
| − | slider.pagerEl = $(slider.settings.pagerCustom);
| |
| − | }
| |
| − | // assign the pager click binding
| |
| − | slider.pagerEl.delegate('a', 'click', clickPagerBind);
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Appends prev / next controls to the controls element
| |
| − | */
| |
| − | var appendControls = function(){
| |
| − | slider.controls.next = $('<a class="bx-next" href="">' + slider.settings.nextText + '</a>');
| |
| − | slider.controls.prev = $('<a class="bx-prev" href="">' + slider.settings.prevText + '</a>');
| |
| − | // bind click actions to the controls
| |
| − | slider.controls.next.bind('click', clickNextBind);
| |
| − | slider.controls.prev.bind('click', clickPrevBind);
| |
| − | // if nextSlector was supplied, populate it
| |
| − | if(slider.settings.nextSelector){
| |
| − | $(slider.settings.nextSelector).append(slider.controls.next);
| |
| − | }
| |
| − | // if prevSlector was supplied, populate it
| |
| − | if(slider.settings.prevSelector){
| |
| − | $(slider.settings.prevSelector).append(slider.controls.prev);
| |
| − | }
| |
| − | // if no custom selectors were supplied
| |
| − | if(!slider.settings.nextSelector && !slider.settings.prevSelector){
| |
| − | // add the controls to the DOM
| |
| − | slider.controls.directionEl = $('<div class="bx-controls-direction" />');
| |
| − | // add the control elements to the directionEl
| |
| − | slider.controls.directionEl.append(slider.controls.prev).append(slider.controls.next);
| |
| − | // slider.viewport.append(slider.controls.directionEl);
| |
| − | slider.controls.el.addClass('bx-has-controls-direction').append(slider.controls.directionEl);
| |
| − | }
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Appends start / stop auto controls to the controls element
| |
| − | */
| |
| − | var appendControlsAuto = function(){
| |
| − | slider.controls.start = $('<div class="bx-controls-auto-item"><a class="bx-start" href="">' + slider.settings.startText + '</a></div>');
| |
| − | slider.controls.stop = $('<div class="bx-controls-auto-item"><a class="bx-stop" href="">' + slider.settings.stopText + '</a></div>');
| |
| − | // add the controls to the DOM
| |
| − | slider.controls.autoEl = $('<div class="bx-controls-auto" />');
| |
| − | // bind click actions to the controls
| |
| − | slider.controls.autoEl.delegate('.bx-start', 'click', clickStartBind);
| |
| − | slider.controls.autoEl.delegate('.bx-stop', 'click', clickStopBind);
| |
| − | // if autoControlsCombine, insert only the "start" control
| |
| − | if(slider.settings.autoControlsCombine){
| |
| − | slider.controls.autoEl.append(slider.controls.start);
| |
| − | // if autoControlsCombine is false, insert both controls
| |
| − | }else{
| |
| − | slider.controls.autoEl.append(slider.controls.start).append(slider.controls.stop);
| |
| − | }
| |
| − | // if auto controls selector was supplied, populate it with the controls
| |
| − | if(slider.settings.autoControlsSelector){
| |
| − | $(slider.settings.autoControlsSelector).html(slider.controls.autoEl);
| |
| − | // if auto controls selector was not supplied, add it after the wrapper
| |
| − | }else{
| |
| − | slider.controls.el.addClass('bx-has-controls-auto').append(slider.controls.autoEl);
| |
| − | }
| |
| − | // update the auto controls
| |
| − | updateAutoControls(slider.settings.autoStart ? 'stop' : 'start');
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Appends image captions to the DOM
| |
| − | */
| |
| − | var appendCaptions = function(){
| |
| − | // cycle through each child
| |
| − | slider.children.each(function(index){
| |
| − | // get the image title attribute
| |
| − | var title = $(this).find('img:first').attr('title');
| |
| − | // append the caption
| |
| − | if (title != undefined && ('' + title).length) {
| |
| − | $(this).append('<div class="bx-caption"><span>' + title + '</span></div>');
| |
| − | }
| |
| − | });
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Click next binding
| |
| − | *
| |
| − | * @param e (event)
| |
| − | * - DOM event object
| |
| − | */
| |
| − | var clickNextBind = function(e){
| |
| − | // if auto show is running, stop it
| |
| − | if (slider.settings.auto) el.stopAuto();
| |
| − | el.goToNextSlide();
| |
| − | e.preventDefault();
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Click prev binding
| |
| − | *
| |
| − | * @param e (event)
| |
| − | * - DOM event object
| |
| − | */
| |
| − | var clickPrevBind = function(e){
| |
| − | // if auto show is running, stop it
| |
| − | if (slider.settings.auto) el.stopAuto();
| |
| − | el.goToPrevSlide();
| |
| − | e.preventDefault();
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Click start binding
| |
| − | *
| |
| − | * @param e (event)
| |
| − | * - DOM event object
| |
| − | */
| |
| − | var clickStartBind = function(e){
| |
| − | el.startAuto();
| |
| − | e.preventDefault();
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Click stop binding
| |
| − | *
| |
| − | * @param e (event)
| |
| − | * - DOM event object
| |
| − | */
| |
| − | var clickStopBind = function(e){
| |
| − | el.stopAuto();
| |
| − | e.preventDefault();
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Click pager binding
| |
| − | *
| |
| − | * @param e (event)
| |
| − | * - DOM event object
| |
| − | */
| |
| − | var clickPagerBind = function(e){
| |
| − | // if auto show is running, stop it
| |
| − | if (slider.settings.auto) el.stopAuto();
| |
| − | var pagerLink = $(e.currentTarget);
| |
| − | var pagerIndex = parseInt(pagerLink.attr('data-slide-index'));
| |
| − | // if clicked pager link is not active, continue with the goToSlide call
| |
| − | if(pagerIndex != slider.active.index) el.goToSlide(pagerIndex);
| |
| − | e.preventDefault();
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Updates the pager links with an active class
| |
| − | *
| |
| − | * @param slideIndex (int)
| |
| − | * - index of slide to make active
| |
| − | */
| |
| − | var updatePagerActive = function(slideIndex){
| |
| − | // if "short" pager type
| |
| − | var len = slider.children.length; // nb of children
| |
| − | if(slider.settings.pagerType == 'short'){
| |
| − | if(slider.settings.maxSlides > 1) {
| |
| − | len = Math.ceil(slider.children.length/slider.settings.maxSlides);
| |
| − | }
| |
| − | slider.pagerEl.html( (slideIndex + 1) + slider.settings.pagerShortSeparator + len);
| |
| − | return;
| |
| − | }
| |
| − | // remove all pager active classes
| |
| − | slider.pagerEl.find('a').removeClass('active');
| |
| − | // apply the active class for all pagers
| |
| − | slider.pagerEl.each(function(i, el) { $(el).find('a').eq(slideIndex).addClass('active'); });
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Performs needed actions after a slide transition
| |
| − | */
| |
| − | var updateAfterSlideTransition = function(){
| |
| − | // if infinte loop is true
| |
| − | if(slider.settings.infiniteLoop){
| |
| − | var position = '';
| |
| − | // first slide
| |
| − | if(slider.active.index == 0){
| |
| − | // set the new position
| |
| − | position = slider.children.eq(0).position();
| |
| − | // carousel, last slide
| |
| − | }else if(slider.active.index == getPagerQty() - 1 && slider.carousel){
| |
| − | position = slider.children.eq((getPagerQty() - 1) * getMoveBy()).position();
| |
| − | // last slide
| |
| − | }else if(slider.active.index == slider.children.length - 1){
| |
| − | position = slider.children.eq(slider.children.length - 1).position();
| |
| − | }
| |
| − | if (slider.settings.mode == 'horizontal') { setPositionProperty(-position.left, 'reset', 0);; }
| |
| − | else if (slider.settings.mode == 'vertical') { setPositionProperty(-position.top, 'reset', 0);; }
| |
| − | }
| |
| − | // declare that the transition is complete
| |
| − | slider.working = false;
| |
| − | // onSlideAfter callback
| |
| − | slider.settings.onSlideAfter(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Updates the auto controls state (either active, or combined switch)
| |
| − | *
| |
| − | * @param state (string) "start", "stop"
| |
| − | * - the new state of the auto show
| |
| − | */
| |
| − | var updateAutoControls = function(state){
| |
| − | // if autoControlsCombine is true, replace the current control with the new state
| |
| − | if(slider.settings.autoControlsCombine){
| |
| − | slider.controls.autoEl.html(slider.controls[state]);
| |
| − | // if autoControlsCombine is false, apply the "active" class to the appropriate control
| |
| − | }else{
| |
| − | slider.controls.autoEl.find('a').removeClass('active');
| |
| − | slider.controls.autoEl.find('a:not(.bx-' + state + ')').addClass('active');
| |
| − | }
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Updates the direction controls (checks if either should be hidden)
| |
| − | */
| |
| − | var updateDirectionControls = function(){
| |
| − | if(getPagerQty() == 1){
| |
| − | slider.controls.prev.addClass('disabled');
| |
| − | slider.controls.next.addClass('disabled');
| |
| − | }else if(!slider.settings.infiniteLoop && slider.settings.hideControlOnEnd){
| |
| − | // if first slide
| |
| − | if (slider.active.index == 0){
| |
| − | slider.controls.prev.addClass('disabled');
| |
| − | slider.controls.next.removeClass('disabled');
| |
| − | // if last slide
| |
| − | }else if(slider.active.index == getPagerQty() - 1){
| |
| − | slider.controls.next.addClass('disabled');
| |
| − | slider.controls.prev.removeClass('disabled');
| |
| − | // if any slide in the middle
| |
| − | }else{
| |
| − | slider.controls.prev.removeClass('disabled');
| |
| − | slider.controls.next.removeClass('disabled');
| |
| − | }
| |
| − | }
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Initialzes the auto process
| |
| − | */
| |
| − | var initAuto = function(){
| |
| − | // if autoDelay was supplied, launch the auto show using a setTimeout() call
| |
| − | if(slider.settings.autoDelay > 0){
| |
| − | var timeout = setTimeout(el.startAuto, slider.settings.autoDelay);
| |
| − | // if autoDelay was not supplied, start the auto show normally
| |
| − | }else{
| |
| − | el.startAuto();
| |
| − | }
| |
| − | // if autoHover is requested
| |
| − | if(slider.settings.autoHover){
| |
| − | // on el hover
| |
| − | el.hover(function(){
| |
| − | // if the auto show is currently playing (has an active interval)
| |
| − | if(slider.interval){
| |
| − | // stop the auto show and pass true agument which will prevent control update
| |
| − | el.stopAuto(true);
| |
| − | // create a new autoPaused value which will be used by the relative "mouseout" event
| |
| − | slider.autoPaused = true;
| |
| − | }
| |
| − | }, function(){
| |
| − | // if the autoPaused value was created be the prior "mouseover" event
| |
| − | if(slider.autoPaused){
| |
| − | // start the auto show and pass true agument which will prevent control update
| |
| − | el.startAuto(true);
| |
| − | // reset the autoPaused value
| |
| − | slider.autoPaused = null;
| |
| − | }
| |
| − | });
| |
| − | }
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Initialzes the ticker process
| |
| − | */
| |
| − | var initTicker = function(){
| |
| − | var startPosition = 0;
| |
| − | // if autoDirection is "next", append a clone of the entire slider
| |
| − | if(slider.settings.autoDirection == 'next'){
| |
| − | el.append(slider.children.clone().addClass('bx-clone'));
| |
| − | // if autoDirection is "prev", prepend a clone of the entire slider, and set the left position
| |
| − | }else{
| |
| − | el.prepend(slider.children.clone().addClass('bx-clone'));
| |
| − | var position = slider.children.first().position();
| |
| − | startPosition = slider.settings.mode == 'horizontal' ? -position.left : -position.top;
| |
| − | }
| |
| − | setPositionProperty(startPosition, 'reset', 0);
| |
| − | // do not allow controls in ticker mode
| |
| − | slider.settings.pager = false;
| |
| − | slider.settings.controls = false;
| |
| − | slider.settings.autoControls = false;
| |
| − | // if autoHover is requested
| |
| − | if(slider.settings.tickerHover && !slider.usingCSS){
| |
| − | // on el hover
| |
| − | slider.viewport.hover(function(){
| |
| − | el.stop();
| |
| − | }, function(){
| |
| − | // calculate the total width of children (used to calculate the speed ratio)
| |
| − | var totalDimens = 0;
| |
| − | slider.children.each(function(index){
| |
| − | totalDimens += slider.settings.mode == 'horizontal' ? $(this).outerWidth(true) : $(this).outerHeight(true);
| |
| − | });
| |
| − | // calculate the speed ratio (used to determine the new speed to finish the paused animation)
| |
| − | var ratio = slider.settings.speed / totalDimens;
| |
| − | // determine which property to use
| |
| − | var property = slider.settings.mode == 'horizontal' ? 'left' : 'top';
| |
| − | // calculate the new speed
| |
| − | var newSpeed = ratio * (totalDimens - (Math.abs(parseInt(el.css(property)))));
| |
| − | tickerLoop(newSpeed);
| |
| − | });
| |
| − | }
| |
| − | // start the ticker loop
| |
| − | tickerLoop();
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Runs a continuous loop, news ticker-style
| |
| − | */
| |
| − | var tickerLoop = function(resumeSpeed){
| |
| − | speed = resumeSpeed ? resumeSpeed : slider.settings.speed;
| |
| − | var position = {left: 0, top: 0};
| |
| − | var reset = {left: 0, top: 0};
| |
| − | // if "next" animate left position to last child, then reset left to 0
| |
| − | if(slider.settings.autoDirection == 'next'){
| |
| − | position = el.find('.bx-clone').first().position();
| |
| − | // if "prev" animate left position to 0, then reset left to first non-clone child
| |
| − | }else{
| |
| − | reset = slider.children.first().position();
| |
| − | }
| |
| − | var animateProperty = slider.settings.mode == 'horizontal' ? -position.left : -position.top;
| |
| − | var resetValue = slider.settings.mode == 'horizontal' ? -reset.left : -reset.top;
| |
| − | var params = {resetValue: resetValue};
| |
| − | setPositionProperty(animateProperty, 'ticker', speed, params);
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Initializes touch events
| |
| − | */
| |
| − | var initTouch = function(){
| |
| − | // initialize object to contain all touch values
| |
| − | slider.touch = {
| |
| − | start: {x: 0, y: 0},
| |
| − | end: {x: 0, y: 0}
| |
| − | }
| |
| − | slider.viewport.bind('touchstart', onTouchStart);
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Event handler for "touchstart"
| |
| − | *
| |
| − | * @param e (event)
| |
| − | * - DOM event object
| |
| − | */
| |
| − | var onTouchStart = function(e){
| |
| − | if(slider.working){
| |
| − | e.preventDefault();
| |
| − | }else{
| |
| − | // record the original position when touch starts
| |
| − | slider.touch.originalPos = el.position();
| |
| − | var orig = e.originalEvent;
| |
| − | // record the starting touch x, y coordinates
| |
| − | slider.touch.start.x = orig.changedTouches[0].pageX;
| |
| − | slider.touch.start.y = orig.changedTouches[0].pageY;
| |
| − | // bind a "touchmove" event to the viewport
| |
| − | slider.viewport.bind('touchmove', onTouchMove);
| |
| − | // bind a "touchend" event to the viewport
| |
| − | slider.viewport.bind('touchend', onTouchEnd);
| |
| − | }
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Event handler for "touchmove"
| |
| − | *
| |
| − | * @param e (event)
| |
| − | * - DOM event object
| |
| − | */
| |
| − | var onTouchMove = function(e){
| |
| − | var orig = e.originalEvent;
| |
| − | // if scrolling on y axis, do not prevent default
| |
| − | var xMovement = Math.abs(orig.changedTouches[0].pageX - slider.touch.start.x);
| |
| − | var yMovement = Math.abs(orig.changedTouches[0].pageY - slider.touch.start.y);
| |
| − | // x axis swipe
| |
| − | if((xMovement * 3) > yMovement && slider.settings.preventDefaultSwipeX){
| |
| − | e.preventDefault();
| |
| − | // y axis swipe
| |
| − | }else if((yMovement * 3) > xMovement && slider.settings.preventDefaultSwipeY){
| |
| − | e.preventDefault();
| |
| − | }
| |
| − | if(slider.settings.mode != 'fade' && slider.settings.oneToOneTouch){
| |
| − | var value = 0;
| |
| − | // if horizontal, drag along x axis
| |
| − | if(slider.settings.mode == 'horizontal'){
| |
| − | var change = orig.changedTouches[0].pageX - slider.touch.start.x;
| |
| − | value = slider.touch.originalPos.left + change;
| |
| − | // if vertical, drag along y axis
| |
| − | }else{
| |
| − | var change = orig.changedTouches[0].pageY - slider.touch.start.y;
| |
| − | value = slider.touch.originalPos.top + change;
| |
| − | }
| |
| − | setPositionProperty(value, 'reset', 0);
| |
| − | }
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Event handler for "touchend"
| |
| − | *
| |
| − | * @param e (event)
| |
| − | * - DOM event object
| |
| − | */
| |
| − | var onTouchEnd = function(e){
| |
| − | slider.viewport.unbind('touchmove', onTouchMove);
| |
| − | var orig = e.originalEvent;
| |
| − | var value = 0;
| |
| − | // record end x, y positions
| |
| − | slider.touch.end.x = orig.changedTouches[0].pageX;
| |
| − | slider.touch.end.y = orig.changedTouches[0].pageY;
| |
| − | // if fade mode, check if absolute x distance clears the threshold
| |
| − | if(slider.settings.mode == 'fade'){
| |
| − | var distance = Math.abs(slider.touch.start.x - slider.touch.end.x);
| |
| − | if(distance >= slider.settings.swipeThreshold){
| |
| − | slider.touch.start.x > slider.touch.end.x ? el.goToNextSlide() : el.goToPrevSlide();
| |
| − | el.stopAuto();
| |
| − | }
| |
| − | // not fade mode
| |
| − | }else{
| |
| − | var distance = 0;
| |
| − | // calculate distance and el's animate property
| |
| − | if(slider.settings.mode == 'horizontal'){
| |
| − | distance = slider.touch.end.x - slider.touch.start.x;
| |
| − | value = slider.touch.originalPos.left;
| |
| − | }else{
| |
| − | distance = slider.touch.end.y - slider.touch.start.y;
| |
| − | value = slider.touch.originalPos.top;
| |
| − | }
| |
| − | // if not infinite loop and first / last slide, do not attempt a slide transition
| |
| − | if(!slider.settings.infiniteLoop && ((slider.active.index == 0 && distance > 0) || (slider.active.last && distance < 0))){
| |
| − | setPositionProperty(value, 'reset', 200);
| |
| − | }else{
| |
| − | // check if distance clears threshold
| |
| − | if(Math.abs(distance) >= slider.settings.swipeThreshold){
| |
| − | distance < 0 ? el.goToNextSlide() : el.goToPrevSlide();
| |
| − | el.stopAuto();
| |
| − | }else{
| |
| − | // el.animate(property, 200);
| |
| − | setPositionProperty(value, 'reset', 200);
| |
| − | }
| |
| − | }
| |
| − | }
| |
| − | slider.viewport.unbind('touchend', onTouchEnd);
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Window resize event callback
| |
| − | */
| |
| − | var resizeWindow = function(e){
| |
| − | // get the new window dimens (again, thank you IE)
| |
| − | var windowWidthNew = $(window).width();
| |
| − | var windowHeightNew = $(window).height();
| |
| − | // make sure that it is a true window resize
| |
| − | // *we must check this because our dinosaur friend IE fires a window resize event when certain DOM elements
| |
| − | // are resized. Can you just die already?*
| |
| − | if(windowWidth != windowWidthNew || windowHeight != windowHeightNew){
| |
| − | // set the new window dimens
| |
| − | windowWidth = windowWidthNew;
| |
| − | windowHeight = windowHeightNew;
| |
| − | // update all dynamic elements
| |
| − | el.redrawSlider();
| |
| − | }
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * ===================================================================================
| |
| − | * = PUBLIC FUNCTIONS
| |
| − | * ===================================================================================
| |
| − | */
| |
| − |
| |
| − | /**
| |
| − | * Performs slide transition to the specified slide
| |
| − | *
| |
| − | * @param slideIndex (int)
| |
| − | * - the destination slide's index (zero-based)
| |
| − | *
| |
| − | * @param direction (string)
| |
| − | * - INTERNAL USE ONLY - the direction of travel ("prev" / "next")
| |
| − | */
| |
| − | el.goToSlide = function(slideIndex, direction){
| |
| − | // if plugin is currently in motion, ignore request
| |
| − | if(slider.working || slider.active.index == slideIndex) return;
| |
| − | // declare that plugin is in motion
| |
| − | slider.working = true;
| |
| − | // store the old index
| |
| − | slider.oldIndex = slider.active.index;
| |
| − | // if slideIndex is less than zero, set active index to last child (this happens during infinite loop)
| |
| − | if(slideIndex < 0){
| |
| − | slider.active.index = getPagerQty() - 1;
| |
| − | // if slideIndex is greater than children length, set active index to 0 (this happens during infinite loop)
| |
| − | }else if(slideIndex >= getPagerQty()){
| |
| − | slider.active.index = 0;
| |
| − | // set active index to requested slide
| |
| − | }else{
| |
| − | slider.active.index = slideIndex;
| |
| − | }
| |
| − | // onSlideBefore, onSlideNext, onSlidePrev callbacks
| |
| − | slider.settings.onSlideBefore(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);
| |
| − | if(direction == 'next'){
| |
| − | slider.settings.onSlideNext(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);
| |
| − | }else if(direction == 'prev'){
| |
| − | slider.settings.onSlidePrev(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);
| |
| − | }
| |
| − | // check if last slide
| |
| − | slider.active.last = slider.active.index >= getPagerQty() - 1;
| |
| − | // update the pager with active class
| |
| − | if(slider.settings.pager) updatePagerActive(slider.active.index);
| |
| − | // // check for direction control update
| |
| − | if(slider.settings.controls) updateDirectionControls();
| |
| − | // if slider is set to mode: "fade"
| |
| − | if(slider.settings.mode == 'fade'){
| |
| − | // if adaptiveHeight is true and next height is different from current height, animate to the new height
| |
| − | if(slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHeight()){
| |
| − | slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed);
| |
| − | }
| |
| − | // fade out the visible child and reset its z-index value
| |
| − | slider.children.filter(':visible').fadeOut(slider.settings.speed).css({zIndex: 0});
| |
| − | // fade in the newly requested slide
| |
| − | slider.children.eq(slider.active.index).css('zIndex', 51).fadeIn(slider.settings.speed, function(){
| |
| − | $(this).css('zIndex', 50);
| |
| − | updateAfterSlideTransition();
| |
| − | });
| |
| − | // slider mode is not "fade"
| |
| − | }else{
| |
| − | // if adaptiveHeight is true and next height is different from current height, animate to the new height
| |
| − | if(slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHeight()){
| |
| − | slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed);
| |
| − | }
| |
| − | var moveBy = 0;
| |
| − | var position = {left: 0, top: 0};
| |
| − | // if carousel and not infinite loop
| |
| − | if(!slider.settings.infiniteLoop && slider.carousel && slider.active.last){
| |
| − | if(slider.settings.mode == 'horizontal'){
| |
| − | // get the last child position
| |
| − | var lastChild = slider.children.eq(slider.children.length - 1);
| |
| − | position = lastChild.position();
| |
| − | // calculate the position of the last slide
| |
| − | moveBy = slider.viewport.width() - lastChild.outerWidth();
| |
| − | }else{
| |
| − | // get last showing index position
| |
| − | var lastShowingIndex = slider.children.length - slider.settings.minSlides;
| |
| − | position = slider.children.eq(lastShowingIndex).position();
| |
| − | }
| |
| − | // horizontal carousel, going previous while on first slide (infiniteLoop mode)
| |
| − | }else if(slider.carousel && slider.active.last && direction == 'prev'){
| |
| − | // get the last child position
| |
| − | var eq = slider.settings.moveSlides == 1 ? slider.settings.maxSlides - getMoveBy() : ((getPagerQty() - 1) * getMoveBy()) - (slider.children.length - slider.settings.maxSlides);
| |
| − | var lastChild = el.children('.bx-clone').eq(eq);
| |
| − | position = lastChild.position();
| |
| − | // if infinite loop and "Next" is clicked on the last slide
| |
| − | }else if(direction == 'next' && slider.active.index == 0){
| |
| − | // get the last clone position
| |
| − | position = el.find('> .bx-clone').eq(slider.settings.maxSlides).position();
| |
| − | slider.active.last = false;
| |
| − | // normal non-zero requests
| |
| − | }else if(slideIndex >= 0){
| |
| − | var requestEl = slideIndex * getMoveBy();
| |
| − | position = slider.children.eq(requestEl).position();
| |
| − | }
| |
| − |
| |
| − | /* If the position doesn't exist
| |
| − | * (e.g. if you destroy the slider on a next click),
| |
| − | * it doesn't throw an error.
| |
| − | */
| |
| − | if ("undefined" !== typeof(position)) {
| |
| − | var value = slider.settings.mode == 'horizontal' ? -(position.left - moveBy) : -position.top;
| |
| − | // plugin values to be animated
| |
| − | setPositionProperty(value, 'slide', slider.settings.speed);
| |
| − | }
| |
| − | }
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Transitions to the next slide in the show
| |
| − | */
| |
| − | el.goToNextSlide = function(){
| |
| − | // if infiniteLoop is false and last page is showing, disregard call
| |
| − | if (!slider.settings.infiniteLoop && slider.active.last) return;
| |
| − | var pagerIndex = parseInt(slider.active.index) + 1;
| |
| − | el.goToSlide(pagerIndex, 'next');
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Transitions to the prev slide in the show
| |
| − | */
| |
| − | el.goToPrevSlide = function(){
| |
| − | // if infiniteLoop is false and last page is showing, disregard call
| |
| − | if (!slider.settings.infiniteLoop && slider.active.index == 0) return;
| |
| − | var pagerIndex = parseInt(slider.active.index) - 1;
| |
| − | el.goToSlide(pagerIndex, 'prev');
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Starts the auto show
| |
| − | *
| |
| − | * @param preventControlUpdate (boolean)
| |
| − | * - if true, auto controls state will not be updated
| |
| − | */
| |
| − | el.startAuto = function(preventControlUpdate){
| |
| − | // if an interval already exists, disregard call
| |
| − | if(slider.interval) return;
| |
| − | // create an interval
| |
| − | slider.interval = setInterval(function(){
| |
| − | slider.settings.autoDirection == 'next' ? el.goToNextSlide() : el.goToPrevSlide();
| |
| − | }, slider.settings.pause);
| |
| − | // if auto controls are displayed and preventControlUpdate is not true
| |
| − | if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('stop');
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Stops the auto show
| |
| − | *
| |
| − | * @param preventControlUpdate (boolean)
| |
| − | * - if true, auto controls state will not be updated
| |
| − | */
| |
| − | el.stopAuto = function(preventControlUpdate){
| |
| − | // if no interval exists, disregard call
| |
| − | if(!slider.interval) return;
| |
| − | // clear the interval
| |
| − | clearInterval(slider.interval);
| |
| − | slider.interval = null;
| |
| − | // if auto controls are displayed and preventControlUpdate is not true
| |
| − | if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('start');
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Returns current slide index (zero-based)
| |
| − | */
| |
| − | el.getCurrentSlide = function(){
| |
| − | return slider.active.index;
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Returns number of slides in show
| |
| − | */
| |
| − | el.getSlideCount = function(){
| |
| − | return slider.children.length;
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Update all dynamic slider elements
| |
| − | */
| |
| − | el.redrawSlider = function(){
| |
| − | // resize all children in ratio to new screen size
| |
| − | slider.children.add(el.find('.bx-clone')).outerWidth(getSlideWidth());
| |
| − | // adjust the height
| |
| − | slider.viewport.css('height', getViewportHeight());
| |
| − | // update the slide position
| |
| − | if(!slider.settings.ticker) setSlidePosition();
| |
| − | // if active.last was true before the screen resize, we want
| |
| − | // to keep it last no matter what screen size we end on
| |
| − | if (slider.active.last) slider.active.index = getPagerQty() - 1;
| |
| − | // if the active index (page) no longer exists due to the resize, simply set the index as last
| |
| − | if (slider.active.index >= getPagerQty()) slider.active.last = true;
| |
| − | // if a pager is being displayed and a custom pager is not being used, update it
| |
| − | if(slider.settings.pager && !slider.settings.pagerCustom){
| |
| − | populatePager();
| |
| − | updatePagerActive(slider.active.index);
| |
| − | }
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Destroy the current instance of the slider (revert everything back to original state)
| |
| − | */
| |
| − | el.destroySlider = function(){
| |
| − | // don't do anything if slider has already been destroyed
| |
| − | if(!slider.initialized) return;
| |
| − | slider.initialized = false;
| |
| − | $('.bx-clone', this).remove();
| |
| − | slider.children.each(function() {
| |
| − | $(this).data("origStyle") != undefined ? $(this).attr("style", $(this).data("origStyle")) : $(this).removeAttr('style');
| |
| − | });
| |
| − | $(this).data("origStyle") != undefined ? this.attr("style", $(this).data("origStyle")) : $(this).removeAttr('style');
| |
| − | $(this).unwrap().unwrap();
| |
| − | if(slider.controls.el) slider.controls.el.remove();
| |
| − | if(slider.controls.next) slider.controls.next.remove();
| |
| − | if(slider.controls.prev) slider.controls.prev.remove();
| |
| − | if(slider.pagerEl) slider.pagerEl.remove();
| |
| − | $('.bx-caption', this).remove();
| |
| − | if(slider.controls.autoEl) slider.controls.autoEl.remove();
| |
| − | clearInterval(slider.interval);
| |
| − | if(slider.settings.responsive) $(window).unbind('resize', resizeWindow);
| |
| − | }
| |
| − |
| |
| − | /**
| |
| − | * Reload the slider (revert all DOM changes, and re-initialize)
| |
| − | */
| |
| − | el.reloadSlider = function(settings){
| |
| − | if (settings != undefined) options = settings;
| |
| − | el.destroySlider();
| |
| − | init();
| |
| − | }
| |
| − |
| |
| − | init();
| |
| − |
| |
| − | // returns the current jQuery object
| |
| − | return this;
| |
| − | }
| |
| − |
| |
| − | })(jQuery);
| |