1261 lines
42 KiB
JavaScript
1261 lines
42 KiB
JavaScript
/**
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* jQuery bxSlider v3.0
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* http://bxslider.com
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*
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* Copyright 2011, Steven Wanderski
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* http://bxcreative.com
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*
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* Free to use and abuse under the MIT license.
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* http://www.opensource.org/licenses/mit-license.php
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*
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*/
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(function($){
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$.fn.bxSlider = function(options){
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var defaults = {
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mode: 'horizontal', // 'horizontal', 'vertical', 'fade'
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infiniteLoop: true, // true, false - display first slide after last
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hideControlOnEnd: false, // true, false - if true, will hide 'next' control on last slide and 'prev' control on first
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controls: true, // true, false - previous and next controls
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speed: 500, // integer - in ms, duration of time slide transitions will occupy
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easing: 'swing', // used with jquery.easing.1.3.js - see http://gsgd.co.uk/sandbox/jquery/easing/ for available options
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pager: false, // true / false - display a pager
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pagerSelector: null, // jQuery selector - element to contain the pager. ex: '#pager'
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pagerType: 'full', // 'full', 'short' - if 'full' pager displays 1,2,3... if 'short' pager displays 1 / 4
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pagerLocation: 'bottom', // 'bottom', 'top' - location of pager
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pagerShortSeparator: '/', // string - ex: 'of' pager would display 1 of 4
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pagerActiveClass: 'pager-active', // string - classname attached to the active pager link
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nextText: 'next', // string - text displayed for 'next' control
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nextImage: '', // string - filepath of image used for 'next' control. ex: 'images/next.jpg'
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nextSelector: null, // jQuery selector - element to contain the next control. ex: '#next'
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prevText: 'prev', // string - text displayed for 'previous' control
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prevImage: '', // string - filepath of image used for 'previous' control. ex: 'images/prev.jpg'
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prevSelector: null, // jQuery selector - element to contain the previous control. ex: '#next'
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captions: false, // true, false - display image captions (reads the image 'title' tag)
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captionsSelector: null, // jQuery selector - element to contain the captions. ex: '#captions'
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auto: false, // true, false - make slideshow change automatically
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autoDirection: 'next', // 'next', 'prev' - direction in which auto show will traverse
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autoControls: false, // true, false - show 'start' and 'stop' controls for auto show
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autoControlsSelector: null, // jQuery selector - element to contain the auto controls. ex: '#auto-controls'
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autoStart: true, // true, false - if false show will wait for 'start' control to activate
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autoHover: false, // true, false - if true show will pause on mouseover
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autoDelay: 0, // integer - in ms, the amount of time before starting the auto show
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pause: 3000, // integer - in ms, the duration between each slide transition
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startText: 'start', // string - text displayed for 'start' control
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startImage: '', // string - filepath of image used for 'start' control. ex: 'images/start.jpg'
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stopText: 'stop', // string - text displayed for 'stop' control
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stopImage: '', // string - filepath of image used for 'stop' control. ex: 'images/stop.jpg'
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ticker: false, // true, false - continuous motion ticker mode (think news ticker)
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// note: autoControls, autoControlsSelector, and autoHover apply to ticker!
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tickerSpeed: 5000, // float - use value between 1 and 5000 to determine ticker speed - the smaller the value the faster the ticker speed
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tickerDirection: 'next', // 'next', 'prev' - direction in which ticker show will traverse
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tickerHover: false, // true, false - if true ticker will pause on mouseover
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wrapperClass: 'bx-wrapper', // string - classname attached to the slider wraper
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startingSlide: 0, // integer - show will start on specified slide. note: slides are zero based!
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displaySlideQty: 1, // integer - number of slides to display at once
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moveSlideQty: 1, // integer - number of slides to move at once
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randomStart: false, // true, false - if true show will start on a random slide
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onBeforeSlide: function(){}, // function(currentSlideNumber, totalSlideQty, currentSlideHtmlObject) - advanced use only! see the tutorial here: http://bxslider.com/custom-pager
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onAfterSlide: function(){}, // function(currentSlideNumber, totalSlideQty, currentSlideHtmlObject) - advanced use only! see the tutorial here: http://bxslider.com/custom-pager
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onLastSlide: function(){}, // function(currentSlideNumber, totalSlideQty, currentSlideHtmlObject) - advanced use only! see the tutorial here: http://bxslider.com/custom-pager
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onFirstSlide: function(){}, // function(currentSlideNumber, totalSlideQty, currentSlideHtmlObject) - advanced use only! see the tutorial here: http://bxslider.com/custom-pager
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onNextSlide: function(){}, // function(currentSlideNumber, totalSlideQty, currentSlideHtmlObject) - advanced use only! see the tutorial here: http://bxslider.com/custom-pager
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onPrevSlide: function(){}, // function(currentSlideNumber, totalSlideQty, currentSlideHtmlObject) - advanced use only! see the tutorial here: http://bxslider.com/custom-pager
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buildPager: null // function(slideIndex, slideHtmlObject){ return string; } - advanced use only! see the tutorial here: http://bxslider.com/custom-pager
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}
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var options = $.extend(defaults, options);
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// cache the base element
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var base = this;
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// initialize (and localize) all variables
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var $parent = '';
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var $origElement = '';
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var $children = '';
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var $outerWrapper = '';
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var $firstChild = '';
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var childrenWidth = '';
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var childrenOuterWidth = '';
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var wrapperWidth = '';
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var wrapperHeight = '';
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var $pager = '';
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var interval = '';
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var $autoControls = '';
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var $stopHtml = '';
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var $startContent = '';
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var $stopContent = '';
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var autoPlaying = true;
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var loaded = false;
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var childrenMaxWidth = 0;
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var childrenMaxHeight = 0;
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var currentSlide = 0;
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var origLeft = 0;
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var origTop = 0;
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var origShowWidth = 0;
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var origShowHeight = 0;
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var tickerLeft = 0;
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var tickerTop = 0;
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var isWorking = false;
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var firstSlide = 0;
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var lastSlide = $children.length - 1;
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// PUBLIC FUNCTIONS
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/**
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* Go to specified slide
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*/
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this.goToSlide = function(number, stopAuto){
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if(!isWorking){
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isWorking = true;
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// set current slide to argument
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currentSlide = number;
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options.onBeforeSlide(currentSlide, $children.length, $children.eq(currentSlide));
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// check if stopAuto argument is supplied
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if(typeof(stopAuto) == 'undefined'){
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var stopAuto = true;
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}
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if(stopAuto){
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// if show is auto playing, stop it
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if(options.auto){
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base.stopShow(true);
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}
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}
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slide = number;
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// check for first slide callback
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if(slide == firstSlide){
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options.onFirstSlide(currentSlide, $children.length, $children.eq(currentSlide));
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}
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// check for last slide callback
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if(slide == lastSlide){
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options.onLastSlide(currentSlide, $children.length, $children.eq(currentSlide));
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}
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// horizontal
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if(options.mode == 'horizontal'){
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$parent.animate({'left': '-'+getSlidePosition(slide, 'left')+'px'}, options.speed, options.easing, function(){
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isWorking = false;
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// perform the callback function
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options.onAfterSlide(currentSlide, $children.length, $children.eq(currentSlide));
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});
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// vertical
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}else if(options.mode == 'vertical'){
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$parent.animate({'top': '-'+getSlidePosition(slide, 'top')+'px'}, options.speed, options.easing, function(){
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isWorking = false;
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// perform the callback function
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options.onAfterSlide(currentSlide, $children.length, $children.eq(currentSlide));
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});
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// fade
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}else if(options.mode == 'fade'){
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setChildrenFade();
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}
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// check to remove controls on last/first slide
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checkEndControls();
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// accomodate multi slides
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if(options.moveSlideQty > 1){
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number = Math.floor(number / options.moveSlideQty);
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}
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// make the current slide active
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makeSlideActive(number);
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// display the caption
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showCaptions();
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}
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}
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/**
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* Go to next slide
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*/
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this.goToNextSlide = function(stopAuto){
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// check if stopAuto argument is supplied
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if(typeof(stopAuto) == 'undefined'){
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var stopAuto = true;
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}
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if(stopAuto){
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// if show is auto playing, stop it
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if(options.auto){
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base.stopShow(true);
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}
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}
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// makes slideshow finite
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if(!options.infiniteLoop){
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if(!isWorking){
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var slideLoop = false;
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// make current slide the old value plus moveSlideQty
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currentSlide = (currentSlide + (options.moveSlideQty));
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// if current slide has looped on itself
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if(currentSlide <= lastSlide){
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checkEndControls();
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// next slide callback
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options.onNextSlide(currentSlide, $children.length, $children.eq(currentSlide));
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// move to appropriate slide
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base.goToSlide(currentSlide);
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}else{
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currentSlide -= options.moveSlideQty;
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}
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} // end if(!isWorking)
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}else{
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if(!isWorking){
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isWorking = true;
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var slideLoop = false;
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// make current slide the old value plus moveSlideQty
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currentSlide = (currentSlide + options.moveSlideQty);
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// if current slide has looped on itself
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if(currentSlide > lastSlide){
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currentSlide = currentSlide % $children.length;
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slideLoop = true;
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}
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// next slide callback
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options.onNextSlide(currentSlide, $children.length, $children.eq(currentSlide));
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// slide before callback
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options.onBeforeSlide(currentSlide, $children.length, $children.eq(currentSlide));
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if(options.mode == 'horizontal'){
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// get the new 'left' property for $parent
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var parentLeft = (options.moveSlideQty * childrenOuterWidth);
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// animate to the new 'left'
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$parent.animate({'left': '-='+parentLeft+'px'}, options.speed, options.easing, function(){
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isWorking = false;
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// if its time to loop, reset the $parent
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if(slideLoop){
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$parent.css('left', '-'+getSlidePosition(currentSlide, 'left')+'px');
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}
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// perform the callback function
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options.onAfterSlide(currentSlide, $children.length, $children.eq(currentSlide));
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});
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}else if(options.mode == 'vertical'){
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// get the new 'left' property for $parent
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var parentTop = (options.moveSlideQty * childrenMaxHeight);
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// animate to the new 'left'
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$parent.animate({'top': '-='+parentTop+'px'}, options.speed, options.easing, function(){
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isWorking = false;
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// if its time to loop, reset the $parent
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if(slideLoop){
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$parent.css('top', '-'+getSlidePosition(currentSlide, 'top')+'px');
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}
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// perform the callback function
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options.onAfterSlide(currentSlide, $children.length, $children.eq(currentSlide));
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});
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}else if(options.mode == 'fade'){
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setChildrenFade();
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}
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// make the current slide active
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if(options.moveSlideQty > 1){
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makeSlideActive(Math.ceil(currentSlide / options.moveSlideQty));
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}else{
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makeSlideActive(currentSlide);
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}
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// display the caption
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showCaptions();
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} // end if(!isWorking)
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}
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} // end function
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/**
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* Go to previous slide
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*/
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this.goToPreviousSlide = function(stopAuto){
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// check if stopAuto argument is supplied
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if(typeof(stopAuto) == 'undefined'){
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var stopAuto = true;
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}
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if(stopAuto){
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// if show is auto playing, stop it
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if(options.auto){
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base.stopShow(true);
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}
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}
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// makes slideshow finite
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if(!options.infiniteLoop){
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if(!isWorking){
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var slideLoop = false;
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// make current slide the old value plus moveSlideQty
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currentSlide = currentSlide - options.moveSlideQty;
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// if current slide has looped on itself
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if(currentSlide < 0){
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currentSlide = 0;
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// if specified, hide the control on the last slide
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if(options.hideControlOnEnd){
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$('.bx-prev', $outerWrapper).hide();
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}
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}
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checkEndControls();
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// next slide callback
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options.onPrevSlide(currentSlide, $children.length, $children.eq(currentSlide));
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// move to appropriate slide
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base.goToSlide(currentSlide);
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}
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}else{
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if(!isWorking){
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isWorking = true;
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var slideLoop = false;
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// make current slide the old value plus moveSlideQty
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currentSlide = (currentSlide - (options.moveSlideQty));
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// if current slide has looped on itself
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if(currentSlide < 0){
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negativeOffset = (currentSlide % $children.length);
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if(negativeOffset == 0){
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currentSlide = 0;
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}else{
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currentSlide = ($children.length) + negativeOffset;
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}
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slideLoop = true;
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}
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// next slide callback
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options.onPrevSlide(currentSlide, $children.length, $children.eq(currentSlide));
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// slide before callback
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options.onBeforeSlide(currentSlide, $children.length, $children.eq(currentSlide));
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if(options.mode == 'horizontal'){
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// get the new 'left' property for $parent
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var parentLeft = (options.moveSlideQty * childrenOuterWidth);
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// animate to the new 'left'
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$parent.animate({'left': '+='+parentLeft+'px'}, options.speed, options.easing, function(){
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isWorking = false;
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// if its time to loop, reset the $parent
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if(slideLoop){
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$parent.css('left', '-'+getSlidePosition(currentSlide, 'left')+'px');
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}
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// perform the callback function
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options.onAfterSlide(currentSlide, $children.length, $children.eq(currentSlide));
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});
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}else if(options.mode == 'vertical'){
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// get the new 'left' property for $parent
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var parentTop = (options.moveSlideQty * childrenMaxHeight);
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// animate to the new 'left'
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$parent.animate({'top': '+='+parentTop+'px'}, options.speed, options.easing, function(){
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isWorking = false;
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// if its time to loop, reset the $parent
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if(slideLoop){
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$parent.css('top', '-'+getSlidePosition(currentSlide, 'top')+'px');
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}
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// perform the callback function
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options.onAfterSlide(currentSlide, $children.length, $children.eq(currentSlide));
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});
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}else if(options.mode == 'fade'){
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setChildrenFade();
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}
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// make the current slide active
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if(options.moveSlideQty > 1){
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makeSlideActive(Math.ceil(currentSlide / options.moveSlideQty));
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}else{
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makeSlideActive(currentSlide);
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}
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// display the caption
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showCaptions();
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} // end if(!isWorking)
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}
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} // end function
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/**
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* Go to first slide
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*/
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this.goToFirstSlide = function(stopAuto){
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// check if stopAuto argument is supplied
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if(typeof(stopAuto) == 'undefined'){
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var stopAuto = true;
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}
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base.goToSlide(firstSlide, stopAuto);
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}
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/**
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* Go to last slide
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*/
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this.goToLastSlide = function(){
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// check if stopAuto argument is supplied
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if(typeof(stopAuto) == 'undefined'){
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var stopAuto = true;
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}
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base.goToSlide(lastSlide, stopAuto);
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}
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/**
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* Get the current slide
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*/
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this.getCurrentSlide = function(){
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return currentSlide;
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}
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/**
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* Get the total slide count
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*/
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this.getSlideCount = function(){
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return $children.length;
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}
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/**
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* Stop the slideshow
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*/
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this.stopShow = function(changeText){
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clearInterval(interval);
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// check if changeText argument is supplied
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if(typeof(changeText) == 'undefined'){
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var changeText = true;
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}
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if(changeText && options.autoControls){
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$autoControls.html($startContent).removeClass('stop').addClass('start');
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autoPlaying = false;
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}
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}
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/**
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* Start the slideshow
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*/
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this.startShow = function(changeText){
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// check if changeText argument is supplied
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if(typeof(changeText) == 'undefined'){
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var changeText = true;
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}
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setAutoInterval();
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if(changeText && options.autoControls){
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$autoControls.html($stopContent).removeClass('start').addClass('stop');
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autoPlaying = true;
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}
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}
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/**
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* Stops the ticker
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*/
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this.stopTicker = function(changeText){
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$parent.stop();
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// check if changeText argument is supplied
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if(typeof(changeText) == 'undefined'){
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var changeText = true;
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}
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if(changeText && options.ticker){
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$autoControls.html($startContent).removeClass('stop').addClass('start');
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autoPlaying = false;
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}
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}
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/**
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* Starts the ticker
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*/
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this.startTicker = function(changeText){
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if(options.mode == 'horizontal'){
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if(options.tickerDirection == 'next'){
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// get the 'left' property where the ticker stopped
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var stoppedLeft = parseInt($parent.css('left'));
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// calculate the remaining distance the show must travel until the loop
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var remainingDistance = (origShowWidth + stoppedLeft) + $children.eq(0).width();
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}else if(options.tickerDirection == 'prev'){
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// get the 'left' property where the ticker stopped
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var stoppedLeft = -parseInt($parent.css('left'));
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// calculate the remaining distance the show must travel until the loop
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var remainingDistance = (stoppedLeft) - $children.eq(0).width();
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}
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// calculate the speed ratio to seamlessly finish the loop
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var finishingSpeed = (remainingDistance * options.tickerSpeed) / origShowWidth;
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// call the show
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moveTheShow(tickerLeft, remainingDistance, finishingSpeed);
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}else if(options.mode == 'vertical'){
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if(options.tickerDirection == 'next'){
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// get the 'top' property where the ticker stopped
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var stoppedTop = parseInt($parent.css('top'));
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// calculate the remaining distance the show must travel until the loop
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var remainingDistance = (origShowHeight + stoppedTop) + $children.eq(0).height();
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}else if(options.tickerDirection == 'prev'){
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// get the 'left' property where the ticker stopped
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var stoppedTop = -parseInt($parent.css('top'));
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// calculate the remaining distance the show must travel until the loop
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var remainingDistance = (stoppedTop) - $children.eq(0).height();
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}
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// calculate the speed ratio to seamlessly finish the loop
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var finishingSpeed = (remainingDistance * options.tickerSpeed) / origShowHeight;
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// call the show
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moveTheShow(tickerTop, remainingDistance, finishingSpeed);
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// check if changeText argument is supplied
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if(typeof(changeText) == 'undefined'){
|
|
var changeText = true;
|
|
}
|
|
if(changeText && options.ticker){
|
|
$autoControls.html($stopContent).removeClass('start').addClass('stop');
|
|
autoPlaying = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Initialize a new slideshow
|
|
*/
|
|
this.initShow = function(){
|
|
|
|
// reinitialize all variables
|
|
// base = this;
|
|
$parent = $(this);
|
|
$origElement = $parent.clone();
|
|
$children = $parent.children();
|
|
$outerWrapper = '';
|
|
$firstChild = $parent.children(':first');
|
|
childrenWidth = $firstChild.width();
|
|
childrenMaxWidth = 0;
|
|
childrenOuterWidth = $firstChild.outerWidth();
|
|
childrenMaxHeight = 0;
|
|
wrapperWidth = getWrapperWidth();
|
|
wrapperHeight = getWrapperHeight();
|
|
isWorking = false;
|
|
$pager = '';
|
|
currentSlide = 0;
|
|
origLeft = 0;
|
|
origTop = 0;
|
|
interval = '';
|
|
$autoControls = '';
|
|
$stopHtml = '';
|
|
$startContent = '';
|
|
$stopContent = '';
|
|
autoPlaying = true;
|
|
loaded = false;
|
|
origShowWidth = 0;
|
|
origShowHeight = 0;
|
|
tickerLeft = 0;
|
|
tickerTop = 0;
|
|
|
|
firstSlide = 0;
|
|
lastSlide = $children.length - 1;
|
|
|
|
// get the largest child's height and width
|
|
$children.each(function(index) {
|
|
if($(this).outerHeight() > childrenMaxHeight){
|
|
childrenMaxHeight = $(this).outerHeight();
|
|
}
|
|
if($(this).outerWidth() > childrenMaxWidth){
|
|
childrenMaxWidth = $(this).outerWidth();
|
|
}
|
|
});
|
|
|
|
// get random slide number
|
|
if(options.randomStart){
|
|
var randomNumber = Math.floor(Math.random() * $children.length);
|
|
currentSlide = randomNumber;
|
|
origLeft = childrenOuterWidth * (options.moveSlideQty + randomNumber);
|
|
origTop = childrenMaxHeight * (options.moveSlideQty + randomNumber);
|
|
// start show at specific slide
|
|
}else{
|
|
currentSlide = options.startingSlide;
|
|
origLeft = childrenOuterWidth * (options.moveSlideQty + options.startingSlide);
|
|
origTop = childrenMaxHeight * (options.moveSlideQty + options.startingSlide);
|
|
}
|
|
|
|
// set initial css
|
|
initCss();
|
|
|
|
// check to show pager
|
|
if(options.pager && !options.ticker){
|
|
if(options.pagerType == 'full'){
|
|
showPager('full');
|
|
}else if(options.pagerType == 'short'){
|
|
showPager('short');
|
|
}
|
|
}
|
|
|
|
// check to show controls
|
|
if(options.controls && !options.ticker){
|
|
setControlsVars();
|
|
}
|
|
|
|
// check if auto
|
|
if(options.auto || options.ticker){
|
|
// check if auto controls are displayed
|
|
if(options.autoControls){
|
|
setAutoControlsVars();
|
|
}
|
|
// check if show should auto start
|
|
if(options.autoStart){
|
|
// check if autostart should delay
|
|
setTimeout(function(){
|
|
base.startShow(true);
|
|
}, options.autoDelay);
|
|
}else{
|
|
base.stopShow(true);
|
|
}
|
|
// check if show should pause on hover
|
|
if(options.autoHover && !options.ticker){
|
|
setAutoHover();
|
|
}
|
|
}
|
|
// make the starting slide active
|
|
if(options.moveSlideQty > 1){
|
|
makeSlideActive(Math.ceil(currentSlide / options.moveSlideQty));
|
|
}else{
|
|
makeSlideActive(currentSlide);
|
|
}
|
|
// check for finite show and if controls should be hidden
|
|
checkEndControls();
|
|
// show captions
|
|
if(options.captions){
|
|
showCaptions();
|
|
}
|
|
// perform the callback function
|
|
options.onAfterSlide(currentSlide, $children.length, $children.eq(currentSlide));
|
|
}
|
|
|
|
/**
|
|
* Destroy the current slideshow
|
|
*/
|
|
this.destroyShow = function(){
|
|
// stop the auto show
|
|
clearInterval(interval);
|
|
// remove any controls / pagers that have been appended
|
|
$('.bx-next, .bx-prev, .bx-pager, .bx-auto', $outerWrapper).remove();
|
|
// unwrap all bx-wrappers
|
|
$parent.unwrap().unwrap().removeAttr('style');
|
|
// remove any styles that were appended
|
|
$parent.children().removeAttr('style').not('.pager').remove();
|
|
// remove any childrent that were appended
|
|
$children.removeClass('pager');
|
|
|
|
}
|
|
|
|
/**
|
|
* Reload the current slideshow
|
|
*/
|
|
this.reloadShow = function(){
|
|
base.destroyShow();
|
|
base.initShow();
|
|
}
|
|
|
|
// PRIVATE FUNCTIONS
|
|
|
|
/**
|
|
* Creates all neccessary styling for the slideshow
|
|
*/
|
|
function initCss(){
|
|
// layout the children
|
|
setChildrenLayout(options.startingSlide);
|
|
// CSS for horizontal mode
|
|
if(options.mode == 'horizontal'){
|
|
// wrap the <ul> in div that acts as a window and make the <ul> uber wide
|
|
$parent
|
|
.wrap('<div class="'+options.wrapperClass+'" style="width:'+wrapperWidth+'px; position:relative;"></div>')
|
|
.wrap('<div class="bx-window" style="position:relative; overflow:hidden; width:'+wrapperWidth+'px;"></div>')
|
|
.css({
|
|
width: '999999px',
|
|
position: 'relative',
|
|
left: '-'+(origLeft)+'px'
|
|
});
|
|
$parent.children().css({
|
|
width: childrenWidth,
|
|
'float': 'left',
|
|
listStyle: 'none'
|
|
});
|
|
$outerWrapper = $parent.parent().parent();
|
|
$children.addClass('pager');
|
|
// CSS for vertical mode
|
|
}else if(options.mode == 'vertical'){
|
|
// wrap the <ul> in div that acts as a window and make the <ul> uber tall
|
|
$parent
|
|
.wrap('<div class="'+options.wrapperClass+'" style="width:'+childrenMaxWidth+'px; position:relative;"></div>')
|
|
.wrap('<div class="bx-window" style="width:'+childrenMaxWidth+'px; height:'+wrapperHeight+'px; position:relative; overflow:hidden;"></div>')
|
|
.css({
|
|
height: '999999px',
|
|
position: 'relative',
|
|
top: '-'+(origTop)+'px'
|
|
});
|
|
$parent.children().css({
|
|
listStyle: 'none',
|
|
height: childrenMaxHeight
|
|
});
|
|
$outerWrapper = $parent.parent().parent();
|
|
$children.addClass('pager');
|
|
// CSS for fade mode
|
|
}else if(options.mode == 'fade'){
|
|
// wrap the <ul> in div that acts as a window
|
|
$parent
|
|
.wrap('<div class="'+options.wrapperClass+'" style="width:'+childrenMaxWidth+'px; position:relative;"></div>')
|
|
.wrap('<div class="bx-window" style="height:'+childrenMaxHeight+'px; width:'+childrenMaxWidth+'px; position:relative; overflow:hidden;"></div>');
|
|
$parent.children().css({
|
|
listStyle: 'none',
|
|
position: 'absolute',
|
|
top: 0,
|
|
left: 0,
|
|
zIndex: 98
|
|
});
|
|
$outerWrapper = $parent.parent().parent();
|
|
$children.not(':eq('+currentSlide+')').fadeTo(0, 0);
|
|
$children.eq(currentSlide).css('zIndex', 99);
|
|
}
|
|
// if captions = true setup a div placeholder
|
|
if(options.captions && options.captionsSelector == null){
|
|
$outerWrapper.append('<div class="bx-captions"></div>');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Depending on mode, lays out children in the proper setup
|
|
*/
|
|
function setChildrenLayout(){
|
|
// lays out children for horizontal or vertical modes
|
|
if(options.mode == 'horizontal' || options.mode == 'vertical'){
|
|
|
|
// get the children behind
|
|
var $prependedChildren = getArraySample($children, 0, options.moveSlideQty, 'backward');
|
|
|
|
// add each prepended child to the back of the original element
|
|
$.each($prependedChildren, function(index) {
|
|
$parent.prepend($(this));
|
|
});
|
|
|
|
// total number of slides to be hidden after the window
|
|
var totalNumberAfterWindow = ($children.length + options.moveSlideQty) - 1;
|
|
// number of original slides hidden after the window
|
|
var pagerExcess = $children.length - options.displaySlideQty;
|
|
// number of slides to append to the original hidden slides
|
|
var numberToAppend = totalNumberAfterWindow - pagerExcess;
|
|
// get the sample of extra slides to append
|
|
var $appendedChildren = getArraySample($children, 0, numberToAppend, 'forward');
|
|
|
|
if(options.infiniteLoop){
|
|
// add each appended child to the front of the original element
|
|
$.each($appendedChildren, function(index) {
|
|
$parent.append($(this));
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sets all variables associated with the controls
|
|
*/
|
|
function setControlsVars(){
|
|
// check if text or images should be used for controls
|
|
// check "next"
|
|
if(options.nextImage != ''){
|
|
nextContent = options.nextImage;
|
|
nextType = 'image';
|
|
}else{
|
|
nextContent = options.nextText;
|
|
nextType = 'text';
|
|
}
|
|
// check "prev"
|
|
if(options.prevImage != ''){
|
|
prevContent = options.prevImage;
|
|
prevType = 'image';
|
|
}else{
|
|
prevContent = options.prevText;
|
|
prevType = 'text';
|
|
}
|
|
// show the controls
|
|
showControls(nextType, nextContent, prevType, prevContent);
|
|
}
|
|
|
|
/**
|
|
* Puts slideshow into auto mode
|
|
*
|
|
* @param int pause number of ms the slideshow will wait between slides
|
|
* @param string direction 'forward', 'backward' sets the direction of the slideshow (forward/backward)
|
|
* @param bool controls determines if start/stop controls will be displayed
|
|
*/
|
|
function setAutoInterval(){
|
|
if(options.auto){
|
|
// finite loop
|
|
if(!options.infiniteLoop){
|
|
if(options.autoDirection == 'next'){
|
|
interval = setInterval(function(){
|
|
currentSlide += options.moveSlideQty;
|
|
// if currentSlide has exceeded total number
|
|
if(currentSlide > lastSlide){
|
|
currentSlide = currentSlide % $children.length;
|
|
}
|
|
base.goToSlide(currentSlide, false);
|
|
}, options.pause);
|
|
}else if(options.autoDirection == 'prev'){
|
|
interval = setInterval(function(){
|
|
currentSlide -= options.moveSlideQty;
|
|
// if currentSlide is smaller than zero
|
|
if(currentSlide < 0){
|
|
negativeOffset = (currentSlide % $children.length);
|
|
if(negativeOffset == 0){
|
|
currentSlide = 0;
|
|
}else{
|
|
currentSlide = ($children.length) + negativeOffset;
|
|
}
|
|
}
|
|
base.goToSlide(currentSlide, false);
|
|
}, options.pause);
|
|
}
|
|
// infinite loop
|
|
}else{
|
|
if(options.autoDirection == 'next'){
|
|
interval = setInterval(function(){
|
|
base.goToNextSlide(false);
|
|
}, options.pause);
|
|
}else if(options.autoDirection == 'prev'){
|
|
interval = setInterval(function(){
|
|
base.goToPreviousSlide(false);
|
|
}, options.pause);
|
|
}
|
|
}
|
|
|
|
}else if(options.ticker){
|
|
|
|
options.tickerSpeed *= 10;
|
|
|
|
// get the total width of the original show
|
|
$('.pager', $outerWrapper).each(function(index) {
|
|
origShowWidth += $(this).width();
|
|
origShowHeight += $(this).height();
|
|
});
|
|
|
|
// if prev start the show from the last slide
|
|
if(options.tickerDirection == 'prev' && options.mode == 'horizontal'){
|
|
$parent.css('left', '-'+(origShowWidth+origLeft)+'px');
|
|
}else if(options.tickerDirection == 'prev' && options.mode == 'vertical'){
|
|
$parent.css('top', '-'+(origShowHeight+origTop)+'px');
|
|
}
|
|
|
|
if(options.mode == 'horizontal'){
|
|
// get the starting left position
|
|
tickerLeft = parseInt($parent.css('left'));
|
|
// start the ticker
|
|
moveTheShow(tickerLeft, origShowWidth, options.tickerSpeed);
|
|
}else if(options.mode == 'vertical'){
|
|
// get the starting top position
|
|
tickerTop = parseInt($parent.css('top'));
|
|
// start the ticker
|
|
moveTheShow(tickerTop, origShowHeight, options.tickerSpeed);
|
|
}
|
|
|
|
// check it tickerHover applies
|
|
if(options.tickerHover){
|
|
setTickerHover();
|
|
}
|
|
}
|
|
}
|
|
|
|
function moveTheShow(leftCss, distance, speed){
|
|
// if horizontal
|
|
if(options.mode == 'horizontal'){
|
|
// if next
|
|
if(options.tickerDirection == 'next'){
|
|
$parent.animate({'left': '-='+distance+'px'}, speed, 'linear', function(){
|
|
$parent.css('left', leftCss);
|
|
moveTheShow(leftCss, origShowWidth, options.tickerSpeed);
|
|
});
|
|
// if prev
|
|
}else if(options.tickerDirection == 'prev'){
|
|
$parent.animate({'left': '+='+distance+'px'}, speed, 'linear', function(){
|
|
$parent.css('left', leftCss);
|
|
moveTheShow(leftCss, origShowWidth, options.tickerSpeed);
|
|
});
|
|
}
|
|
// if vertical
|
|
}else if(options.mode == 'vertical'){
|
|
// if next
|
|
if(options.tickerDirection == 'next'){
|
|
$parent.animate({'top': '-='+distance+'px'}, speed, 'linear', function(){
|
|
$parent.css('top', leftCss);
|
|
moveTheShow(leftCss, origShowHeight, options.tickerSpeed);
|
|
});
|
|
// if prev
|
|
}else if(options.tickerDirection == 'prev'){
|
|
$parent.animate({'top': '+='+distance+'px'}, speed, 'linear', function(){
|
|
$parent.css('top', leftCss);
|
|
moveTheShow(leftCss, origShowHeight, options.tickerSpeed);
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sets all variables associated with the controls
|
|
*/
|
|
function setAutoControlsVars(){
|
|
// check if text or images should be used for controls
|
|
// check "start"
|
|
if(options.startImage != ''){
|
|
startContent = options.startImage;
|
|
startType = 'image';
|
|
}else{
|
|
startContent = options.startText;
|
|
startType = 'text';
|
|
}
|
|
// check "stop"
|
|
if(options.stopImage != ''){
|
|
stopContent = options.stopImage;
|
|
stopType = 'image';
|
|
}else{
|
|
stopContent = options.stopText;
|
|
stopType = 'text';
|
|
}
|
|
// show the controls
|
|
showAutoControls(startType, startContent, stopType, stopContent);
|
|
}
|
|
|
|
/**
|
|
* Handles hover events for auto shows
|
|
*/
|
|
function setAutoHover(){
|
|
// hover over the slider window
|
|
$outerWrapper.find('.bx-window').hover(function() {
|
|
if(autoPlaying){
|
|
base.stopShow(false);
|
|
}
|
|
}, function() {
|
|
if(autoPlaying){
|
|
base.startShow(false);
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Handles hover events for ticker mode
|
|
*/
|
|
function setTickerHover(){
|
|
// on hover stop the animation
|
|
$parent.hover(function() {
|
|
if(autoPlaying){
|
|
base.stopTicker(false);
|
|
}
|
|
}, function() {
|
|
if(autoPlaying){
|
|
base.startTicker(false);
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Handles fade animation
|
|
*/
|
|
function setChildrenFade(){
|
|
// fade out any other child besides the current
|
|
$children.not(':eq('+currentSlide+')').fadeTo(options.speed, 0).css('zIndex', 98);
|
|
// fade in the current slide
|
|
$children.eq(currentSlide).css('zIndex', 99).fadeTo(options.speed, 1, function(){
|
|
isWorking = false;
|
|
// ie fade fix
|
|
if(jQuery.browser.msie){
|
|
$children.eq(currentSlide).get(0).style.removeAttribute('filter');
|
|
}
|
|
// perform the callback function
|
|
options.onAfterSlide(currentSlide, $children.length, $children.eq(currentSlide));
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Makes slide active
|
|
*/
|
|
function makeSlideActive(number){
|
|
if(options.pagerType == 'full' && options.pager){
|
|
// remove all active classes
|
|
$('a', $pager).removeClass(options.pagerActiveClass);
|
|
// assign active class to appropriate slide
|
|
$('a', $pager).eq(number).addClass(options.pagerActiveClass);
|
|
}else if(options.pagerType == 'short' && options.pager){
|
|
$('.bx-pager-current', $pager).html(currentSlide+1);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Displays next/prev controls
|
|
*
|
|
* @param string nextType 'image', 'text'
|
|
* @param string nextContent if type='image', specify a filepath to the image. if type='text', specify text.
|
|
* @param string prevType 'image', 'text'
|
|
* @param string prevContent if type='image', specify a filepath to the image. if type='text', specify text.
|
|
*/
|
|
function showControls(nextType, nextContent, prevType, prevContent){
|
|
// create pager html elements
|
|
var $nextHtml = $('<a href="" class="bx-next"></a>');
|
|
var $prevHtml = $('<a href="" class="bx-prev"></a>');
|
|
// check if next is 'text' or 'image'
|
|
if(nextType == 'text'){
|
|
$nextHtml.html(nextContent);
|
|
}else{
|
|
$nextHtml.html('<img src="'+nextContent+'" />');
|
|
}
|
|
// check if prev is 'text' or 'image'
|
|
if(prevType == 'text'){
|
|
$prevHtml.html(prevContent);
|
|
}else{
|
|
$prevHtml.html('<img src="'+prevContent+'" />');
|
|
}
|
|
// check if user supplied a selector to populate next control
|
|
if(options.prevSelector){
|
|
$(options.prevSelector).append($prevHtml);
|
|
}else{
|
|
$outerWrapper.append($prevHtml);
|
|
}
|
|
// check if user supplied a selector to populate next control
|
|
if(options.nextSelector){
|
|
$(options.nextSelector).append($nextHtml);
|
|
}else{
|
|
$outerWrapper.append($nextHtml);
|
|
}
|
|
// click next control
|
|
$nextHtml.click(function() {
|
|
base.goToNextSlide();
|
|
return false;
|
|
});
|
|
// click prev control
|
|
$prevHtml.click(function() {
|
|
base.goToPreviousSlide();
|
|
return false;
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Displays the pager
|
|
*
|
|
* @param string type 'full', 'short'
|
|
*/
|
|
function showPager(type){
|
|
// sets up logic for finite multi slide shows
|
|
var pagerQty = $children.length;
|
|
// if we are moving more than one at a time and we have a finite loop
|
|
if(options.moveSlideQty > 1){
|
|
// if slides create an odd number of pages
|
|
if($children.length % options.moveSlideQty != 0){
|
|
// pagerQty = $children.length / options.moveSlideQty + 1;
|
|
pagerQty = Math.ceil($children.length / options.moveSlideQty);
|
|
// if slides create an even number of pages
|
|
}else{
|
|
pagerQty = $children.length / options.moveSlideQty;
|
|
}
|
|
}
|
|
var pagerString = '';
|
|
// check if custom build function was supplied
|
|
if(options.buildPager){
|
|
for(var i=0; i<pagerQty; i++){
|
|
pagerString += options.buildPager(i, $children.eq(i * options.moveSlideQty));
|
|
}
|
|
|
|
// if not, use default pager
|
|
}else if(type == 'full'){
|
|
// build the full pager
|
|
for(var i=1; i<=pagerQty; i++){
|
|
pagerString += '<a href="" class="pager-link pager-'+i+'">'+i+'</a>';
|
|
}
|
|
}else if(type == 'short') {
|
|
// build the short pager
|
|
pagerString = '<span class="bx-pager-current">'+(options.startingSlide+1)+'</span> '+options.pagerShortSeparator+' <span class="bx-pager-total">'+$children.length+'</span>';
|
|
}
|
|
// check if user supplied a pager selector
|
|
if(options.pagerSelector){
|
|
$(options.pagerSelector).append(pagerString);
|
|
$pager = $(options.pagerSelector);
|
|
}else{
|
|
var $pagerContainer = $('<div class="bx-pager"></div>');
|
|
$pagerContainer.append(pagerString);
|
|
// attach the pager to the DOM
|
|
if(options.pagerLocation == 'top'){
|
|
$outerWrapper.prepend($pagerContainer);
|
|
}else if(options.pagerLocation == 'bottom'){
|
|
$outerWrapper.append($pagerContainer);
|
|
}
|
|
// cache the pager element
|
|
$pager = $('.bx-pager', $outerWrapper);
|
|
}
|
|
$pager.children().click(function() {
|
|
// only if pager is full mode
|
|
if(options.pagerType == 'full'){
|
|
// get the index from the link
|
|
var slideIndex = $pager.children().index(this);
|
|
// accomodate moving more than one slide
|
|
if(options.moveSlideQty > 1){
|
|
slideIndex *= options.moveSlideQty;
|
|
}
|
|
base.goToSlide(slideIndex);
|
|
}
|
|
return false;
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Displays captions
|
|
*/
|
|
function showCaptions(){
|
|
// get the title from each image
|
|
var caption = $('img', $children.eq(currentSlide)).attr('title');
|
|
// if the caption exists
|
|
if(caption != ''){
|
|
// if user supplied a selector
|
|
if(options.captionsSelector){
|
|
$(options.captionsSelector).html(caption);
|
|
}else{
|
|
$('.bx-captions', $outerWrapper).html(caption);
|
|
}
|
|
}else{
|
|
// if user supplied a selector
|
|
if(options.captionsSelector){
|
|
$(options.captionsSelector).html(' ');
|
|
}else{
|
|
$('.bx-captions', $outerWrapper).html(' ');
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Displays start/stop controls for auto and ticker mode
|
|
*
|
|
* @param string type 'image', 'text'
|
|
* @param string next [optional] if type='image', specify a filepath to the image. if type='text', specify text.
|
|
* @param string prev [optional] if type='image', specify a filepath to the image. if type='text', specify text.
|
|
*/
|
|
function showAutoControls(startType, startContent, stopType, stopContent){
|
|
// create pager html elements
|
|
$autoControls = $('<a href="" class="bx-start"></a>');
|
|
// check if start is 'text' or 'image'
|
|
if(startType == 'text'){
|
|
$startContent = startContent;
|
|
}else{
|
|
$startContent = '<img src="'+startContent+'" />';
|
|
}
|
|
// check if stop is 'text' or 'image'
|
|
if(stopType == 'text'){
|
|
$stopContent = stopContent;
|
|
}else{
|
|
$stopContent = '<img src="'+stopContent+'" />';
|
|
}
|
|
// check if user supplied a selector to populate next control
|
|
if(options.autoControlsSelector){
|
|
$(options.autoControlsSelector).append($autoControls);
|
|
}else{
|
|
$outerWrapper.append('<div class="bx-auto"></div>');
|
|
$('.bx-auto', $outerWrapper).html($autoControls);
|
|
}
|
|
|
|
// click start control
|
|
$autoControls.click(function() {
|
|
if(options.ticker){
|
|
if($(this).hasClass('stop')){
|
|
base.stopTicker();
|
|
}else if($(this).hasClass('start')){
|
|
base.startTicker();
|
|
}
|
|
}else{
|
|
if($(this).hasClass('stop')){
|
|
base.stopShow(true);
|
|
}else if($(this).hasClass('start')){
|
|
base.startShow(true);
|
|
}
|
|
}
|
|
return false;
|
|
});
|
|
|
|
}
|
|
|
|
/**
|
|
* Checks if show is in finite mode, and if slide is either first or last, then hides the respective control
|
|
*/
|
|
function checkEndControls(){
|
|
if(!options.infiniteLoop && options.hideControlOnEnd){
|
|
// check previous
|
|
if(currentSlide == firstSlide){
|
|
$('.bx-prev', $outerWrapper).hide();
|
|
}else{
|
|
$('.bx-prev', $outerWrapper).show();
|
|
}
|
|
// check next
|
|
if(currentSlide == lastSlide){
|
|
$('.bx-next', $outerWrapper).hide();
|
|
}else{
|
|
$('.bx-next', $outerWrapper).show();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns the left offset of the slide from the parent container
|
|
*/
|
|
function getSlidePosition(number, side){
|
|
if(side == 'left'){
|
|
var position = $('.pager', $outerWrapper).eq(number).position().left;
|
|
}else if(side == 'top'){
|
|
var position = $('.pager', $outerWrapper).eq(number).position().top;
|
|
}
|
|
return position;
|
|
}
|
|
|
|
/**
|
|
* Returns the width of the wrapper
|
|
*/
|
|
function getWrapperWidth(){
|
|
var wrapperWidth = $firstChild.outerWidth() * options.displaySlideQty;
|
|
return wrapperWidth;
|
|
}
|
|
|
|
/**
|
|
* Returns the height of the wrapper
|
|
*/
|
|
function getWrapperHeight(){
|
|
// if displaying multiple slides, multiple wrapper width by number of slides to display
|
|
var wrapperHeight = $firstChild.outerHeight() * options.displaySlideQty;
|
|
return wrapperHeight;
|
|
}
|
|
|
|
/**
|
|
* Returns a sample of an arry and loops back on itself if the end of the array is reached
|
|
*
|
|
* @param array array original array the sample is derived from
|
|
* @param int start array index sample will start
|
|
* @param int length number of items in the sample
|
|
* @param string direction 'forward', 'backward' direction the loop should travel in the array
|
|
*/
|
|
function getArraySample(array, start, length, direction){
|
|
// initialize empty array
|
|
var sample = [];
|
|
// clone the length argument
|
|
var loopLength = length;
|
|
// determines when the empty array should start being populated
|
|
var startPopulatingArray = false;
|
|
// reverse the array if direction = 'backward'
|
|
if(direction == 'backward'){
|
|
array = $.makeArray(array);
|
|
array.reverse();
|
|
}
|
|
// loop through original array until the length argument is met
|
|
while(loopLength > 0){
|
|
// loop through original array
|
|
$.each(array, function(index, val) {
|
|
// check if length has been met
|
|
if(loopLength > 0){
|
|
// don't do anything unless first index has been reached
|
|
if(!startPopulatingArray){
|
|
// start populating empty array
|
|
if(index == start){
|
|
startPopulatingArray = true;
|
|
// add element to array
|
|
sample.push($(this).clone());
|
|
// decrease the length clone variable
|
|
loopLength--;
|
|
}
|
|
}else{
|
|
// add element to array
|
|
sample.push($(this).clone());
|
|
// decrease the length clone variable
|
|
loopLength--;
|
|
}
|
|
// if length has been met, break loose
|
|
}else{
|
|
return false;
|
|
}
|
|
});
|
|
}
|
|
return sample;
|
|
}
|
|
|
|
this.each(function(){
|
|
// make sure the element has children
|
|
if($(this).children().length > 0){
|
|
base.initShow();
|
|
}
|
|
});
|
|
|
|
return this;
|
|
}
|
|
|
|
jQuery.fx.prototype.cur = function(){
|
|
if ( this.elem[this.prop] != null && (!this.elem.style || this.elem.style[this.prop] == null) ) {
|
|
return this.elem[ this.prop ];
|
|
}
|
|
|
|
var r = parseFloat( jQuery.css( this.elem, this.prop ) );
|
|
// return r && r > -10000 ? r : 0;
|
|
return r;
|
|
}
|
|
|
|
|
|
})(jQuery);
|
|
|