PHP Dosya Yöneticisi

/******************************************
BxSlider
******************************************/
;
(function(jQuery) {
    "use strict"

var plugin = {};

var defaults = {

// GENERAL
        mode: 'horizontal',
        slideSelector: '',
        infiniteLoop: true,
        hideControlOnEnd: false,
        speed: 500,
        easing: null,
        slideMargin: 0,
        startSlide: 0,
        randomStart: false,
        captions: false,
        ticker: false,
        tickerHover: false,
        adaptiveHeight: false,
        adaptiveHeightSpeed: 500,
        video: false,
        useCSS: true,
        preloadImages: 'visible',
        responsive: true,

// TOUCH
        touchEnabled: true,
        swipeThreshold: 50,
        oneToOneTouch: true,
        preventDefaultSwipeX: true,
        preventDefaultSwipeY: false,

// PAGER
        pager: true,
        pagerType: 'full',
        pagerShortSeparator: ' / ',
        pagerSelector: null,
        buildPager: null,
        pagerCustom: null,

// CONTROLS
        controls: true,
        nextText: 'Next',
        prevText: 'Prev',
        nextSelector: null,
        prevSelector: null,
        autoControls: false,
        startText: 'Start',
        stopText: 'Stop',
        autoControlsCombine: false,
        autoControlsSelector: null,

// AUTO
        auto: false,
        pause: 4000,
        autoStart: true,
        autoDirection: 'next',
        autoHover: false,
        autoDelay: 0,

// CAROUSEL
        minSlides: 1,
        maxSlides: 1,
        moveSlides: 0,
        slideWidth: 0,

// CALLBACKS
        onSliderLoad: function() {},
        onSlideBefore: function() {},
        onSlideAfter: function() {},
        onSlideNext: function() {},
        onSlidePrev: function() {}
    }

jQuery.fn.bxSlider = function(options) {

if (this.length == 0) return this;

// support mutltiple elements
        if (this.length > 1) {
            this.each(function() {
                jQuery(this).bxSlider(options)
            });
            return this;
        }

// create a namespace to be used throughout the plugin
        var slider = {};
        // set a reference to our slider element
        var el = this;
        plugin.el = this;

/**
         * Makes slideshow responsive
         */
        // first get the original window dimens (thanks alot IE)
        var windowWidth = jQuery(window).width();
        var windowHeight = jQuery(window).height();

/**
         * ===================================================================================
         * = PRIVATE FUNCTIONS
         * ===================================================================================
         */

/**
         * Initializes namespace settings to be used throughout plugin
         */
        var init = function() {
            // merge user-supplied options with the defaults
            slider.settings = jQuery.extend({}, defaults, options);
            // parse slideWidth setting
            slider.settings.slideWidth = parseInt(slider.settings.slideWidth);
            // store the original children
            slider.children = el.children(slider.settings.slideSelector);
            // check if actual number of slides is less than minSlides / maxSlides
            if (slider.children.length < slider.settings.minSlides) slider.settings.minSlides = slider.children.length;
            if (slider.children.length < slider.settings.maxSlides) slider.settings.maxSlides = slider.children.length;
            // if random start, set the startSlide setting to random number
            if (slider.settings.randomStart) slider.settings.startSlide = Math.floor(Math.random() * slider.children.length);
            // store active slide information
            slider.active = {
                    index: slider.settings.startSlide
                }
                // store if the slider is in carousel mode (displaying / moving multiple slides)
            slider.carousel = slider.settings.minSlides > 1 || slider.settings.maxSlides > 1;
            // if carousel, force preloadImages = 'all'
            if (slider.carousel) slider.settings.preloadImages = 'all';
            // calculate the min / max width thresholds based on min / max number of slides
            // used to setup and update carousel slides dimensions
            slider.minThreshold = (slider.settings.minSlides * slider.settings.slideWidth) + ((slider.settings.minSlides - 1) * slider.settings.slideMargin);
            slider.maxThreshold = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin);
            // store the current state of the slider (if currently animating, working is true)
            slider.working = false;
            // initialize the controls object
            slider.controls = {};
            // initialize an auto interval
            slider.interval = null;
            // determine which property to use for transitions
            slider.animProp = slider.settings.mode == 'vertical' ? 'top' : 'left';
            // determine if hardware acceleration can be used
            slider.usingCSS = slider.settings.useCSS && slider.settings.mode != 'fade' && (function() {
                // create our test div element
                var div = document.createElement('div');
                // css transition properties
                var props = ['WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective'];
                // test for each property
                for (var i in props) {
                    if (div.style[props[i]] !== undefined) {
                        slider.cssPrefix = props[i].replace('Perspective', '').toLowerCase();
                        slider.animProp = '-' + slider.cssPrefix + '-transform';
                        return true;
                    }
                }
                return false;
            }());
            // if vertical mode always make maxSlides and minSlides equal
            if (slider.settings.mode == 'vertical') slider.settings.maxSlides = slider.settings.minSlides;
            // save original style data
            el.data("origStyle", el.attr("style"));
            el.children(slider.settings.slideSelector).each(function() {
                jQuery(this).data("origStyle", jQuery(this).attr("style"));
            });
            // perform all DOM / CSS modifications
            setup();
        }

/**
         * Performs all DOM and CSS modifications
         */
        var setup = function() {
            // wrap el in a wrapper
            el.wrap('<div class="bx-wrapper"><div class="bx-viewport"></div></div>');
            // store a namspace reference to .bx-viewport
            slider.viewport = el.parent();
            // add a loading div to display while images are loading
            slider.loader = jQuery('<div class="bx-loading" />');
            slider.viewport.prepend(slider.loader);
            // set el to a massive width, to hold any needed slides
            // also strip any margin and padding from el
            el.css({
                width: slider.settings.mode == 'horizontal' ? (slider.children.length * 100 + 215) + '%' : 'auto',
                position: 'relative'
            });
            // if using CSS, add the easing property
            if (slider.usingCSS && slider.settings.easing) {
                el.css('-' + slider.cssPrefix + '-transition-timing-function', slider.settings.easing);
                // if not using CSS and no easing value was supplied, use the default JS animation easing (swing)
            } else if (!slider.settings.easing) {
                slider.settings.easing = 'swing';
            }
            var slidesShowing = getNumberSlidesShowing();
            // make modifications to the viewport (.bx-viewport)
            slider.viewport.css({
                width: '100%',
                overflow: 'hidden',
                position: 'relative'
            });
            slider.viewport.parent().css({
                maxWidth: getViewportMaxWidth()
            });
            // make modification to the wrapper (.bx-wrapper)
            if (!slider.settings.pager) {
                slider.viewport.parent().css({
                    margin: '0 auto 0px'
                });
            }
            // apply css to all slider children
            slider.children.css({
                'float': slider.settings.mode == 'horizontal' ? 'left' : 'none',
                listStyle: 'none',
                position: 'relative'
            });
            // apply the calculated width after the float is applied to prevent scrollbar interference
            slider.children.css('width', getSlideWidth());
            // if slideMargin is supplied, add the css
            if (slider.settings.mode == 'horizontal' && slider.settings.slideMargin > 0) slider.children.css('marginRight', slider.settings.slideMargin);
            if (slider.settings.mode == 'vertical' && slider.settings.slideMargin > 0) slider.children.css('marginBottom', slider.settings.slideMargin);
            // if "fade" mode, add positioning and z-index CSS
            if (slider.settings.mode == 'fade') {
                slider.children.css({
                    position: 'absolute',
                    zIndex: 0,
                    display: 'none'
                });
                // prepare the z-index on the showing element
                slider.children.eq(slider.settings.startSlide).css({
                    zIndex: 50,
                    display: 'block'
                });
            }
            // create an element to contain all slider controls (pager, start / stop, etc)
            slider.controls.el = jQuery('<div class="bx-controls" />');
            // if captions are requested, add them
            if (slider.settings.captions) appendCaptions();
            // check if startSlide is last slide
            slider.active.last = slider.settings.startSlide == getPagerQty() - 1;
            // if video is true, set up the fitVids plugin
            if (slider.settings.video) el.fitVids();
            // set the default preload selector (visible)
            var preloadSelector = slider.children.eq(slider.settings.startSlide);
            if (slider.settings.preloadImages == "all") preloadSelector = slider.children;
            // only check for control addition if not in "ticker" mode
            if (!slider.settings.ticker) {
                // if pager is requested, add it
                if (slider.settings.pager) appendPager();
                // if controls are requested, add them
                if (slider.settings.controls) appendControls();
                // if auto is true, and auto controls are requested, add them
                if (slider.settings.auto && slider.settings.autoControls) appendControlsAuto();
                // if any control option is requested, add the controls wrapper
                if (slider.settings.controls || slider.settings.autoControls || slider.settings.pager) slider.viewport.after(slider.controls.el);
                // if ticker mode, do not allow a pager
            } else {
                slider.settings.pager = false;
            }
            // preload all images, then perform final DOM / CSS modifications that depend on images being loaded
            loadElements(preloadSelector, start);
        }

/**
         * Start the slider
         */
        var start = function() {
            // if infinite loop, prepare additional slides
            if (slider.settings.infiniteLoop && slider.settings.mode != 'fade' && !slider.settings.ticker) {
                var slice = slider.settings.mode == 'vertical' ? slider.settings.minSlides : slider.settings.maxSlides;
                var sliceAppend = slider.children.slice(0, slice).clone().addClass('bx-clone');
                var slicePrepend = slider.children.slice(-slice).clone().addClass('bx-clone');
                el.append(sliceAppend).prepend(slicePrepend);
            }
            // remove the loading DOM element
            slider.loader.remove();
            // set the left / top position of "el"
            setSlidePosition();
            // if "vertical" mode, always use adaptiveHeight to prevent odd behavior
            if (slider.settings.mode == 'vertical') slider.settings.adaptiveHeight = true;
            // set the viewport height
            slider.viewport.height(getViewportHeight());
            // make sure everything is positioned just right (same as a window resize)
            el.redrawSlider();
            // onSliderLoad callback
            slider.settings.onSliderLoad(slider.active.index);
            // slider has been fully initialized
            slider.initialized = true;
            // bind the resize call to the window
            if (slider.settings.responsive) jQuery(window).bind('resize', resizeWindow);
            // if auto is true, start the show
            if (slider.settings.auto && slider.settings.autoStart) initAuto();
            // if ticker is true, start the ticker
            if (slider.settings.ticker) initTicker();
            // if pager is requested, make the appropriate pager link active
            if (slider.settings.pager) updatePagerActive(slider.settings.startSlide);
            // check for any updates to the controls (like hideControlOnEnd updates)
            if (slider.settings.controls) updateDirectionControls();
            // if touchEnabled is true, setup the touch events
            if (slider.settings.touchEnabled && !slider.settings.ticker) initTouch();
        }

/**
         * Returns the calculated height of the viewport, used to determine either adaptiveHeight or the maxHeight value
         */
        var getViewportHeight = function() {
            var height = 0;
            // first determine which children (slides) should be used in our height calculation
            var children = jQuery();
            // if mode is not "vertical" and adaptiveHeight is false, include all children
            if (slider.settings.mode != 'vertical' && !slider.settings.adaptiveHeight) {
                children = slider.children;
            } else {
                // if not carousel, return the single active child
                if (!slider.carousel) {
                    children = slider.children.eq(slider.active.index);
                    // if carousel, return a slice of children
                } else {
                    // get the individual slide index
                    var currentIndex = slider.settings.moveSlides == 1 ? slider.active.index : slider.active.index * getMoveBy();
                    // add the current slide to the children
                    children = slider.children.eq(currentIndex);
                    // cycle through the remaining "showing" slides
                    for (i = 1; i <= slider.settings.maxSlides - 1; i++) {
                        // if looped back to the start
                        if (currentIndex + i >= slider.children.length) {
                            children = children.add(slider.children.eq(i - 1));
                        } else {
                            children = children.add(slider.children.eq(currentIndex + i));
                        }
                    }
                }
            }
            // if "vertical" mode, calculate the sum of the heights of the children
            if (slider.settings.mode == 'vertical') {
                children.each(function(index) {
                    height += jQuery(this).outerHeight();
                });
                // add user-supplied margins
                if (slider.settings.slideMargin > 0) {
                    height += slider.settings.slideMargin * (slider.settings.minSlides - 1);
                }
                // if not "vertical" mode, calculate the max height of the children
            } else {
                height = Math.max.apply(Math, children.map(function() {
                    return jQuery(this).outerHeight(false);
                }).get());
            }
            return height;
        }

/**
         * Returns the calculated width to be used for the outer wrapper / viewport
         */
        var getViewportMaxWidth = function() {
            var width = '100%';
            if (slider.settings.slideWidth > 0) {
                if (slider.settings.mode == 'horizontal') {
                    width = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin);
                } else {
                    width = slider.settings.slideWidth;
                }
            }
            return width;
        }

/**
         * Returns the calculated width to be applied to each slide
         */
        var getSlideWidth = function() {
            // start with any user-supplied slide width
            var newElWidth = slider.settings.slideWidth;
            // get the current viewport width
            var wrapWidth = slider.viewport.width();
            // if slide width was not supplied, or is larger than the viewport use the viewport width
            if (slider.settings.slideWidth == 0 ||
                (slider.settings.slideWidth > wrapWidth && !slider.carousel) ||
                slider.settings.mode == 'vertical') {
                newElWidth = wrapWidth;
                // if carousel, use the thresholds to determine the width
            } else if (slider.settings.maxSlides > 1 && slider.settings.mode == 'horizontal') {
                if (wrapWidth > slider.maxThreshold) {
                    // newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.maxSlides - 1))) / slider.settings.maxSlides;
                } else if (wrapWidth < slider.minThreshold) {
                    newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.minSlides - 1))) / slider.settings.minSlides;
                }
            }
            return newElWidth;
        }

/**
         * Returns the number of slides currently visible in the viewport (includes partially visible slides)
         */
        var getNumberSlidesShowing = function() {
            var slidesShowing = 1;
            if (slider.settings.mode == 'horizontal' && slider.settings.slideWidth > 0) {
                // if viewport is smaller than minThreshold, return minSlides
                if (slider.viewport.width() < slider.minThreshold) {
                    slidesShowing = slider.settings.minSlides;
                    // if viewport is larger than minThreshold, return maxSlides
                } else if (slider.viewport.width() > slider.maxThreshold) {
                    slidesShowing = slider.settings.maxSlides;
                    // if viewport is between min / max thresholds, divide viewport width by first child width
                } else {
                    var childWidth = slider.children.first().width();
                    slidesShowing = Math.floor(slider.viewport.width() / childWidth);
                }
                // if "vertical" mode, slides showing will always be minSlides
            } else if (slider.settings.mode == 'vertical') {
                slidesShowing = slider.settings.minSlides;
            }
            return slidesShowing;
        }

/**
         * Returns the number of pages (one full viewport of slides is one "page")
         */
        var getPagerQty = function() {
            var pagerQty = 0;
            // if moveSlides is specified by the user
            if (slider.settings.moveSlides > 0) {
                if (slider.settings.infiniteLoop) {
                    pagerQty = slider.children.length / getMoveBy();
                } else {
                    // use a while loop to determine pages
                    var breakPoint = 0;
                    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 && jQuery.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 && jQuery.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 = jQuery('<div class="bx-pager" />');
                // if a pager selector was supplied, populate it with the pager
                if (slider.settings.pagerSelector) {
                    jQuery(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 = jQuery(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 = jQuery('<a class="bx-next" href="">' + slider.settings.nextText + '</a>');
            slider.controls.prev = jQuery('<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) {
                jQuery(slider.settings.nextSelector).append(slider.controls.next);
            }
            // if prevSlector was supplied, populate it
            if (slider.settings.prevSelector) {
                jQuery(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 = jQuery('<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 = jQuery('<div class="bx-controls-auto-item"><a class="bx-start" href="">' + slider.settings.startText + '</a></div>');
            slider.controls.stop = jQuery('<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 = jQuery('<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) {
                jQuery(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 = jQuery(this).find('img:first').attr('title');
                // append the caption
                if (title != undefined && ('' + title).length) {
                    jQuery(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 = jQuery(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) {
                jQuery(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' ? jQuery(this).outerWidth(true) : jQuery(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 = jQuery(window).width();
            var windowHeightNew = jQuery(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() {
                    jQuery(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;
            jQuery('.bx-clone', this).remove();
            slider.children.each(function() {
                jQuery(this).data("origStyle") != undefined ? jQuery(this).attr("style", jQuery(this).data("origStyle")) : jQuery(this).removeAttr('style');
            });
            jQuery(this).data("origStyle") != undefined ? this.attr("style", jQuery(this).data("origStyle")) : jQuery(this).removeAttr('style');
            jQuery(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();
            jQuery('.bx-caption', this).remove();
            if (slider.controls.autoEl) slider.controls.autoEl.remove();
            clearInterval(slider.interval);
            if (slider.settings.responsive) jQuery(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);

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📝 jquery.bxslider.js

📝 jquery.bxslider.js

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