jQuery(document).ready(function($){
// SmoothScroll v0.9.9
// Licensed under the terms of the MIT license.
// People involved
// - Balazs Galambosi: maintainer (CHANGELOG.txt)
// - Patrick Brunner (patrickb1991@gmail.com)
// - Michael Herf: ssc_pulse Algorithm
// Scroll Variables (tweakable)
var ssc_framerate = 150; // [Hz]
var ssc_animtime = 500; // [px]
var ssc_stepsize = 150; // [px]
// ssc_pulse (less tweakable)
// ratio of "tail" to "acceleration"
var ssc_pulseAlgorithm = true;
var ssc_pulseScale = 6;
var ssc_pulseNormalize = 1;
// Keyboard Settings
var ssc_keyboardsupport = true;
var ssc_arrowscroll = 50; // [px]
// Other Variables
var ssc_frame = false;
var ssc_direction = { x: 0, y: 0 };
var ssc_initdone = false;
var ssc_fixedback = true;
var ssc_root = document.documentElement;
var ssc_activeElement;
var ssc_key = { left: 37, up: 38, right: 39, down: 40, spacebar: 32, pageup: 33, pagedown: 34, end: 35, home: 36 };
/***********************************************
* INITIALIZE
***********************************************/
/**
* Sets up scrolls array, determines if ssc_frames are involved.
*/
function ssc_init() {
if (!document.body) return;
var body = document.body;
var html = document.documentElement;
var windowHeight = window.innerHeight;
var scrollHeight = body.scrollHeight;
// check compat mode for ssc_root element
ssc_root = (document.compatMode.indexOf('CSS') >= 0) ? html : body;
ssc_activeElement = body;
ssc_initdone = true;
// Checks if this script is running in a ssc_frame
if (top != self) {
ssc_frame = true;
}
/**
* This fixes a bug where the areas left and right to
* the content does not trigger the onmousewheel event
* on some pages. e.g.: html, body { height: 100% }
*/
else if (scrollHeight > windowHeight &&
(body.offsetHeight <= windowHeight ||
html.offsetHeight <= windowHeight)) {
ssc_root.style.height = "auto";
if (ssc_root.offsetHeight <= windowHeight) {
var underlay = document.createElement("div");
underlay.style.clear = "both";
body.appendChild(underlay);
}
}
if (!ssc_fixedback) {
body.style.backgroundAttachment = "scroll";
html.style.backgroundAttachment = "scroll";
}
if (ssc_keyboardsupport) {
ssc_addEvent("keydown", ssc_keydown);
}
}
/************************************************
* SCROLLING
************************************************/
var ssc_que = [];
var ssc_pending = false;
/**
* Pushes scroll actions to the scrolling queue.
*/
function ssc_scrollArray(elem, left, top, delay) {
delay || (delay = 1000);
ssc_directionCheck(left, top);
// push a scroll command
ssc_que.push({
x: left,
y: top,
lastX: (left < 0) ? 0.99 : -0.99,
lastY: (top < 0) ? 0.99 : -0.99,
start: +new Date
});
// don't act if there's a ssc_pending queue
if (ssc_pending) {
return;
}
var step = function() {
var now = +new Date;
var scrollX = 0;
var scrollY = 0;
for (var i = 0; i < ssc_que.length; i++) {
var item = ssc_que[i];
var elapsed = now - item.start;
var finished = (elapsed >= ssc_animtime);
// scroll position: [0, 1]
var position = (finished) ? 1 : elapsed / ssc_animtime;
// easing [optional]
if (ssc_pulseAlgorithm) {
position = ssc_pulse(position);
}
// only need the difference
var x = (item.x * position - item.lastX) >> 0;
var y = (item.y * position - item.lastY) >> 0;
// add this to the total scrolling
scrollX += x;
scrollY += y;
// update last values
item.lastX += x;
item.lastY += y;
// delete and step back if it's over
if (finished) {
ssc_que.splice(i, 1); i--;
}
}
// scroll left
if (left) {
var lastLeft = elem.scrollLeft;
elem.scrollLeft += scrollX;
// scroll left failed (edge)
if (scrollX && elem.scrollLeft === lastLeft) {
left = 0;
}
}
// scroll top
if (top) {
var lastTop = elem.scrollTop;
elem.scrollTop += scrollY;
// scroll top failed (edge)
if (scrollY && elem.scrollTop === lastTop) {
top = 0;
}
}
// clean up if there's nothing left to do
if (!left && !top) {
ssc_que = [];
}
if (ssc_que.length) {
setTimeout(step, delay / ssc_framerate + 1);
} else {
ssc_pending = false;
}
}
// start a new queue of actions
setTimeout(step, 0);
ssc_pending = true;
}
/***********************************************
* EVENTS
***********************************************/
/**
* Mouse ssc_wheel handler.
* @param {Object} event
*/
function ssc_wheel(event) {
if (!ssc_initdone) {
init();
}
var target = event.target;
var overflowing = ssc_overflowingAncestor(target);
// use default if there's no overflowing
// element or default action is prevented
if (!overflowing || event.defaultPrevented ||
ssc_isNodeName(ssc_activeElement, "embed") ||
(ssc_isNodeName(target, "embed") && /\.pdf/i.test(target.src))) {
return true;
}
var deltaX = event.wheelDeltaX || 0;
var deltaY = event.wheelDeltaY || 0;
// use wheelDelta if deltaX/Y is not available
if (!deltaX && !deltaY) {
deltaY = event.wheelDelta || 0;
}
// scale by step size
// delta is 120 most of the time
// synaptics seems to send 1 sometimes
if (Math.abs(deltaX) > 1.2) {
deltaX *= ssc_stepsize / 120;
}
if (Math.abs(deltaY) > 1.2) {
deltaY *= ssc_stepsize / 120;
}
ssc_scrollArray(overflowing, -deltaX, -deltaY);
event.preventDefault();
}
/**
* ssc_keydown event handler.
* @param {Object} event
*/
function ssc_keydown(event) {
var target = event.target;
var modifier = event.ctrlKey || event.altKey || event.metaKey;
// do nothing if user is editing text
// or using a modifier ssc_key (except shift)
if ( /input|textarea|embed/i.test(target.nodeName) ||
target.isContentEditable ||
event.defaultPrevented ||
modifier ) {
return true;
}
// spacebar should trigger button press
if (ssc_isNodeName(target, "button") &&
event.keyCode === ssc_key.spacebar) {
return true;
}
var shift, x = 0, y = 0;
var elem = ssc_overflowingAncestor(ssc_activeElement);
var clientHeight = elem.clientHeight;
if (elem == document.body) {
clientHeight = window.innerHeight;
}
switch (event.keyCode) {
case ssc_key.up:
y = -ssc_arrowscroll;
break;
case ssc_key.down:
y = ssc_arrowscroll;
break;
case ssc_key.spacebar: // (+ shift)
shift = event.shiftKey ? 1 : -1;
y = -shift * clientHeight * 0.9;
break;
case ssc_key.pageup:
y = -clientHeight * 0.9;
break;
case ssc_key.pagedown:
y = clientHeight * 0.9;
break;
case ssc_key.home:
y = -elem.scrollTop;
break;
case ssc_key.end:
var damt = elem.scrollHeight - elem.scrollTop - clientHeight;
y = (damt > 0) ? damt+10 : 0;
break;
case ssc_key.left:
x = -ssc_arrowscroll;
break;
case ssc_key.right:
x = ssc_arrowscroll;
break;
default:
return true; // a ssc_key we don't care about
}
ssc_scrollArray(elem, x, y);
event.preventDefault();
}
/**
* ssc_mousedown event only for updating ssc_activeElement
*/
function ssc_mousedown(event) {
ssc_activeElement = event.target;
}
/***********************************************
* OVERFLOW
***********************************************/
var ssc_cache = {}; // cleared out every once in while
setInterval(function(){ ssc_cache = {}; }, 10 * 1000);
var ssc_uniqueID = (function() {
var i = 0;
return function (el) {
return el.ssc_uniqueID || (el.ssc_uniqueID = i++);
};
})();
function ssc_setCache(elems, overflowing) {
for (var i = elems.length; i--;)
ssc_cache[ssc_uniqueID(elems[i])] = overflowing;
return overflowing;
}
function ssc_overflowingAncestor(el) {
var elems = [];
var ssc_rootScrollHeight = ssc_root.scrollHeight;
do {
var cached = ssc_cache[ssc_uniqueID(el)];
if (cached) {
return ssc_setCache(elems, cached);
}
elems.push(el);
if (ssc_rootScrollHeight === el.scrollHeight) {
if (!ssc_frame || ssc_root.clientHeight + 10 < ssc_rootScrollHeight) {
return ssc_setCache(elems, document.body); // scrolling ssc_root in WebKit
}
} else if (el.clientHeight + 10 < el.scrollHeight) {
overflow = getComputedStyle(el, "").getPropertyValue("overflow");
if (overflow === "scroll" || overflow === "auto") {
return ssc_setCache(elems, el);
}
}
} while (el = el.parentNode);
}
/***********************************************
* HELPERS
***********************************************/
function ssc_addEvent(type, fn, bubble) {
window.addEventListener(type, fn, (bubble||false));
}
function ssc_removeEvent(type, fn, bubble) {
window.removeEventListener(type, fn, (bubble||false));
}
function ssc_isNodeName(el, tag) {
return el.nodeName.toLowerCase() === tag.toLowerCase();
}
function ssc_directionCheck(x, y) {
x = (x > 0) ? 1 : -1;
y = (y > 0) ? 1 : -1;
if (ssc_direction.x !== x || ssc_direction.y !== y) {
ssc_direction.x = x;
ssc_direction.y = y;
ssc_que = [];
}
}
/***********************************************
* ssc_pulse
***********************************************/
/**
* Viscous fluid with a ssc_pulse for part and decay for the rest.
* - Applies a fixed force over an interval (a damped acceleration), and
* - Lets the exponential bleed away the velocity over a longer interval
* - Michael Herf, http://stereopsis.com/stopping/
*/
function ssc_pulse_(x) {
var val, start, expx;
// test
x = x * ssc_pulseScale;
if (x < 1) { // acceleartion
val = x - (1 - Math.exp(-x));
} else { // tail
// the previous animation ended here:
start = Math.exp(-1);
// simple viscous drag
x -= 1;
expx = 1 - Math.exp(-x);
val = start + (expx * (1 - start));
}
return val * ssc_pulseNormalize;
}
function ssc_pulse(x) {
if (x >= 1) return 1;
if (x <= 0) return 0;
if (ssc_pulseNormalize == 1) {
ssc_pulseNormalize /= ssc_pulse_(1);
}
return ssc_pulse_(x);
}
$.browser.chrome = /chrome/.test(navigator.userAgent.toLowerCase());
if ( $.browser.chrome ) {
ssc_addEvent("mousedown", ssc_mousedown);
ssc_addEvent("mousewheel", ssc_wheel);
ssc_addEvent("load", ssc_init);
}
});
/**
* BxSlider v4.1.2 - Fully loaded, responsive content slider
* http://bxslider.com
*
* Copyright 2014, Steven Wanderski - http://stevenwanderski.com - http://bxcreative.com
* Written while drinking Belgian ales and listening to jazz
*
* Released under the MIT license - http://opensource.org/licenses/MIT
*/
;(function($){
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,
slideZIndex: 50,
wrapperClass: 'bx-wrapper',
// 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,
autoSlideForOnePage: false,
// CAROUSEL
minSlides: 1,
maxSlides: 1,
moveSlides: 0,
slideWidth: 0,
// CALLBACKS
onSliderLoad: function() {},
onSlideBefore: function() {},
onSlideAfter: function() {},
onSlideNext: function() {},
onSlidePrev: function() {},
onSliderResize: function() {}
}
$.fn.bxSlider = function(options){
if(this.length == 0) return this;
// support mutltiple elements
if(this.length > 1){
this.each(function(){$(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 = $(window).width();
var windowHeight = $(window).height();
/**
* ===================================================================================
* = PRIVATE FUNCTIONS
* ===================================================================================
*/
/**
* Initializes namespace settings to be used throughout plugin
*/
var init = function(){
// merge user-supplied options with the defaults
slider.settings = $.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() {
$(this).data("origStyle", $(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('');
// store a namspace reference to .bx-viewport
slider.viewport = el.parent();
// add a loading div to display while images are loading
slider.loader = $('');
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: slider.settings.slideZIndex, display: 'block'});
}
// create an element to contain all slider controls (pager, start / stop, etc)
slider.controls.el = $('');
// 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);
}
var loadElements = function(selector, callback){
var total = selector.find('img, iframe').length;
if (total == 0){
callback();
return;
}
var count = 0;
selector.find('img, iframe').each(function(){
$(this).one('load', function() {
if(++count == total) callback();
}).each(function() {
if(this.complete) $(this).load();
});
});
}
/**
* 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) $(window).bind('resize', resizeWindow);
// if auto is true and has more than 1 page, start the show
if (slider.settings.auto && slider.settings.autoStart && (getPagerQty() > 1 || slider.settings.autoSlideForOnePage)) 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 = $();
// 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 += $(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 $(this).outerHeight(false);
}).get());
}
if(slider.viewport.css('box-sizing') == 'border-box'){
height += parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom')) +
parseFloat(slider.viewport.css('border-top-width')) + parseFloat(slider.viewport.css('border-bottom-width'));
}else if(slider.viewport.css('box-sizing') == 'padding-box'){
height += parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom'));
}
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() + slider.settings.slideMargin;
slidesShowing = Math.floor((slider.viewport.width() +
slider.settings.slideMargin) / 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 = Math.ceil(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.outerWidth())), 'reset', 0);
}else if(slider.settings.mode == 'vertical'){
// get the last showing index's position
var lastShowingIndex = slider.children.length - slider.settings.minSlides;
var position = slider.children.eq(lastShowingIndex).position();
// set the top position
setPositionProperty(-position.top, 'reset', 0);
}
// if not last slide
}else{
// get the position of the first showing slide
var position = slider.children.eq(slider.active.index * getMoveBy()).position();
// check for last slide
if (slider.active.index == getPagerQty() - 1) slider.active.last = true;
// set the repective position
if (position != undefined){
if (slider.settings.mode == 'horizontal') setPositionProperty(-position.left, 'reset', 0);
else if (slider.settings.mode == 'vertical') setPositionProperty(-position.top, 'reset', 0);
}
}
}
/**
* Sets the el's animating property position (which in turn will sometimes animate el).
* If using CSS, sets the transform property. If not using CSS, sets the top / left property.
*
* @param value (int)
* - the animating property's value
*
* @param type (string) 'slider', 'reset', 'ticker'
* - the type of instance for which the function is being
*
* @param duration (int)
* - the amount of time (in ms) the transition should occupy
*
* @param params (array) optional
* - an optional parameter containing any variables that need to be passed in
*/
var setPositionProperty = function(value, type, duration, params){
// use CSS transform
if(slider.usingCSS){
// determine the translate3d value
var propValue = slider.settings.mode == 'vertical' ? 'translate3d(0, ' + value + 'px, 0)' : 'translate3d(' + value + 'px, 0, 0)';
// add the CSS transition-duration
el.css('-' + slider.cssPrefix + '-transition-duration', duration / 1000 + 's');
if(type == 'slide'){
// set the property value
el.css(slider.animProp, propValue);
// bind a callback method - executes when CSS transition completes
el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){
// unbind the callback
el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd');
updateAfterSlideTransition();
});
}else if(type == 'reset'){
el.css(slider.animProp, propValue);
}else if(type == 'ticker'){
// make the transition use 'linear'
el.css('-' + slider.cssPrefix + '-transition-timing-function', 'linear');
el.css(slider.animProp, propValue);
// bind a callback method - executes when CSS transition completes
el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){
// unbind the callback
el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd');
// reset the position
setPositionProperty(params['resetValue'], 'reset', 0);
// start the loop again
tickerLoop();
});
}
// use JS animate
}else{
var animateObj = {};
animateObj[slider.animProp] = value;
if(type == 'slide'){
el.animate(animateObj, duration, slider.settings.easing, function(){
updateAfterSlideTransition();
});
}else if(type == 'reset'){
el.css(slider.animProp, value)
}else if(type == 'ticker'){
el.animate(animateObj, speed, 'linear', function(){
setPositionProperty(params['resetValue'], 'reset', 0);
// run the recursive loop after animation
tickerLoop();
});
}
}
}
/**
* Populates the pager with proper amount of pages
*/
var populatePager = function(){
var pagerHtml = '';
var pagerQty = getPagerQty();
// loop through each pager item
for(var i=0; i < pagerQty; i++){
var linkContent = '';
// if a buildPager function is supplied, use it to get pager link value, else use index + 1
if(slider.settings.buildPager && $.isFunction(slider.settings.buildPager)){
linkContent = slider.settings.buildPager(i);
slider.pagerEl.addClass('bx-custom-pager');
}else{
linkContent = i + 1;
slider.pagerEl.addClass('bx-default-pager');
}
// var linkContent = slider.settings.buildPager && $.isFunction(slider.settings.buildPager) ? slider.settings.buildPager(i) : i + 1;
// add the markup to the string
pagerHtml += '';
};
// 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 = $('');
// if a pager selector was supplied, populate it with the pager
if(slider.settings.pagerSelector){
$(slider.settings.pagerSelector).html(slider.pagerEl);
// if no pager selector was supplied, add it after the wrapper
}else{
slider.controls.el.addClass('bx-has-pager').append(slider.pagerEl);
}
// populate the pager
populatePager();
}else{
slider.pagerEl = $(slider.settings.pagerCustom);
}
// assign the pager click binding
slider.pagerEl.on('click', 'a', clickPagerBind);
}
/**
* Appends prev / next controls to the controls element
*/
var appendControls = function(){
slider.controls.next = $('' + slider.settings.nextText + '');
slider.controls.prev = $('' + slider.settings.prevText + '');
// bind click actions to the controls
slider.controls.next.bind('click', clickNextBind);
slider.controls.prev.bind('click', clickPrevBind);
// if nextSlector was supplied, populate it
if(slider.settings.nextSelector){
$(slider.settings.nextSelector).append(slider.controls.next);
}
// if prevSlector was supplied, populate it
if(slider.settings.prevSelector){
$(slider.settings.prevSelector).append(slider.controls.prev);
}
// if no custom selectors were supplied
if(!slider.settings.nextSelector && !slider.settings.prevSelector){
// add the controls to the DOM
slider.controls.directionEl = $('');
// 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 = $('');
slider.controls.stop = $('');
// add the controls to the DOM
slider.controls.autoEl = $('');
// bind click actions to the controls
slider.controls.autoEl.on('click', '.bx-start', clickStartBind);
slider.controls.autoEl.on('click', '.bx-stop', clickStopBind);
// if autoControlsCombine, insert only the "start" control
if(slider.settings.autoControlsCombine){
slider.controls.autoEl.append(slider.controls.start);
// if autoControlsCombine is false, insert both controls
}else{
slider.controls.autoEl.append(slider.controls.start).append(slider.controls.stop);
}
// if auto controls selector was supplied, populate it with the controls
if(slider.settings.autoControlsSelector){
$(slider.settings.autoControlsSelector).html(slider.controls.autoEl);
// if auto controls selector was not supplied, add it after the wrapper
}else{
slider.controls.el.addClass('bx-has-controls-auto').append(slider.controls.autoEl);
}
// update the auto controls
updateAutoControls(slider.settings.autoStart ? 'stop' : 'start');
}
/**
* Appends image captions to the DOM
*/
var appendCaptions = function(){
// cycle through each child
slider.children.each(function(index){
// get the image title attribute
var title = $(this).find('img:first').attr('title');
// append the caption
if (title != undefined && ('' + title).length) {
$(this).append('' + title + '
');
}
});
}
/**
* Click next binding
*
* @param e (event)
* - DOM event object
*/
var clickNextBind = function(e){
// if auto show is running, stop it
if (slider.settings.auto) el.stopAuto();
el.goToNextSlide();
e.preventDefault();
}
/**
* Click prev binding
*
* @param e (event)
* - DOM event object
*/
var clickPrevBind = function(e){
// if auto show is running, stop it
if (slider.settings.auto) el.stopAuto();
el.goToPrevSlide();
e.preventDefault();
}
/**
* Click start binding
*
* @param e (event)
* - DOM event object
*/
var clickStartBind = function(e){
el.startAuto();
e.preventDefault();
}
/**
* Click stop binding
*
* @param e (event)
* - DOM event object
*/
var clickStopBind = function(e){
el.stopAuto();
e.preventDefault();
}
/**
* Click pager binding
*
* @param e (event)
* - DOM event object
*/
var clickPagerBind = function(e){
// if auto show is running, stop it
if (slider.settings.auto) el.stopAuto();
var pagerLink = $(e.currentTarget);
if(pagerLink.attr('data-slide-index') !== undefined){
var pagerIndex = parseInt(pagerLink.attr('data-slide-index'));
// if clicked pager link is not active, continue with the goToSlide call
if(pagerIndex != slider.active.index) el.goToSlide(pagerIndex);
e.preventDefault();
}
}
/**
* Updates the pager links with an active class
*
* @param slideIndex (int)
* - index of slide to make active
*/
var updatePagerActive = function(slideIndex){
// if "short" pager type
var len = slider.children.length; // nb of children
if(slider.settings.pagerType == 'short'){
if(slider.settings.maxSlides > 1) {
len = Math.ceil(slider.children.length/slider.settings.maxSlides);
}
slider.pagerEl.html( (slideIndex + 1) + slider.settings.pagerShortSeparator + len);
return;
}
// remove all pager active classes
slider.pagerEl.find('a').removeClass('active');
// apply the active class for all pagers
slider.pagerEl.each(function(i, el) { $(el).find('a').eq(slideIndex).addClass('active'); });
}
/**
* Performs needed actions after a slide transition
*/
var updateAfterSlideTransition = function(){
// if infinte loop is true
if(slider.settings.infiniteLoop){
var position = '';
// first slide
if(slider.active.index == 0){
// set the new position
position = slider.children.eq(0).position();
// carousel, last slide
}else if(slider.active.index == getPagerQty() - 1 && slider.carousel){
position = slider.children.eq((getPagerQty() - 1) * getMoveBy()).position();
// last slide
}else if(slider.active.index == slider.children.length - 1){
position = slider.children.eq(slider.children.length - 1).position();
}
if(position){
if (slider.settings.mode == 'horizontal') { setPositionProperty(-position.left, 'reset', 0); }
else if (slider.settings.mode == 'vertical') { setPositionProperty(-position.top, 'reset', 0); }
}
}
// declare that the transition is complete
slider.working = false;
// onSlideAfter callback
slider.settings.onSlideAfter(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);
}
/**
* Updates the auto controls state (either active, or combined switch)
*
* @param state (string) "start", "stop"
* - the new state of the auto show
*/
var updateAutoControls = function(state){
// if autoControlsCombine is true, replace the current control with the new state
if(slider.settings.autoControlsCombine){
slider.controls.autoEl.html(slider.controls[state]);
// if autoControlsCombine is false, apply the "active" class to the appropriate control
}else{
slider.controls.autoEl.find('a').removeClass('active');
slider.controls.autoEl.find('a:not(.bx-' + state + ')').addClass('active');
}
}
/**
* Updates the direction controls (checks if either should be hidden)
*/
var updateDirectionControls = function(){
if(getPagerQty() == 1){
slider.controls.prev.addClass('disabled');
slider.controls.next.addClass('disabled');
}else if(!slider.settings.infiniteLoop && slider.settings.hideControlOnEnd){
// if first slide
if (slider.active.index == 0){
slider.controls.prev.addClass('disabled');
slider.controls.next.removeClass('disabled');
// if last slide
}else if(slider.active.index == getPagerQty() - 1){
slider.controls.next.addClass('disabled');
slider.controls.prev.removeClass('disabled');
// if any slide in the middle
}else{
slider.controls.prev.removeClass('disabled');
slider.controls.next.removeClass('disabled');
}
}
}
/**
* Initialzes the auto process
*/
var initAuto = function(){
// if autoDelay was supplied, launch the auto show using a setTimeout() call
if(slider.settings.autoDelay > 0){
var timeout = setTimeout(el.startAuto, slider.settings.autoDelay);
// if autoDelay was not supplied, start the auto show normally
}else{
el.startAuto();
}
// if autoHover is requested
if(slider.settings.autoHover){
// on el hover
el.hover(function(){
// if the auto show is currently playing (has an active interval)
if(slider.interval){
// stop the auto show and pass true agument which will prevent control update
el.stopAuto(true);
// create a new autoPaused value which will be used by the relative "mouseout" event
slider.autoPaused = true;
}
}, function(){
// if the autoPaused value was created be the prior "mouseover" event
if(slider.autoPaused){
// start the auto show and pass true agument which will prevent control update
el.startAuto(true);
// reset the autoPaused value
slider.autoPaused = null;
}
});
}
}
/**
* Initialzes the ticker process
*/
var initTicker = function(){
var startPosition = 0;
// if autoDirection is "next", append a clone of the entire slider
if(slider.settings.autoDirection == 'next'){
el.append(slider.children.clone().addClass('bx-clone'));
// if autoDirection is "prev", prepend a clone of the entire slider, and set the left position
}else{
el.prepend(slider.children.clone().addClass('bx-clone'));
var position = slider.children.first().position();
startPosition = slider.settings.mode == 'horizontal' ? -position.left : -position.top;
}
setPositionProperty(startPosition, 'reset', 0);
// do not allow controls in ticker mode
slider.settings.pager = false;
slider.settings.controls = false;
slider.settings.autoControls = false;
// if autoHover is requested
if(slider.settings.tickerHover && !slider.usingCSS){
// on el hover
slider.viewport.hover(function(){
el.stop();
}, function(){
// calculate the total width of children (used to calculate the speed ratio)
var totalDimens = 0;
slider.children.each(function(index){
totalDimens += slider.settings.mode == 'horizontal' ? $(this).outerWidth(true) : $(this).outerHeight(true);
});
// calculate the speed ratio (used to determine the new speed to finish the paused animation)
var ratio = slider.settings.speed / totalDimens;
// determine which property to use
var property = slider.settings.mode == 'horizontal' ? 'left' : 'top';
// calculate the new speed
var newSpeed = ratio * (totalDimens - (Math.abs(parseInt(el.css(property)))));
tickerLoop(newSpeed);
});
}
// start the ticker loop
tickerLoop();
}
/**
* Runs a continuous loop, news ticker-style
*/
var tickerLoop = function(resumeSpeed){
speed = resumeSpeed ? resumeSpeed : slider.settings.speed;
var position = {left: 0, top: 0};
var reset = {left: 0, top: 0};
// if "next" animate left position to last child, then reset left to 0
if(slider.settings.autoDirection == 'next'){
position = el.find('.bx-clone').first().position();
// if "prev" animate left position to 0, then reset left to first non-clone child
}else{
reset = slider.children.first().position();
}
var animateProperty = slider.settings.mode == 'horizontal' ? -position.left : -position.top;
var resetValue = slider.settings.mode == 'horizontal' ? -reset.left : -reset.top;
var params = {resetValue: resetValue};
setPositionProperty(animateProperty, 'ticker', speed, params);
}
/**
* Initializes touch events
*/
var initTouch = function(){
// initialize object to contain all touch values
slider.touch = {
start: {x: 0, y: 0},
end: {x: 0, y: 0}
}
slider.viewport.bind('touchstart', onTouchStart);
}
/**
* Event handler for "touchstart"
*
* @param e (event)
* - DOM event object
*/
var onTouchStart = function(e){
if(slider.working){
e.preventDefault();
}else{
// record the original position when touch starts
slider.touch.originalPos = el.position();
var orig = e.originalEvent;
// record the starting touch x, y coordinates
slider.touch.start.x = orig.changedTouches[0].pageX;
slider.touch.start.y = orig.changedTouches[0].pageY;
// bind a "touchmove" event to the viewport
slider.viewport.bind('touchmove', onTouchMove);
// bind a "touchend" event to the viewport
slider.viewport.bind('touchend', onTouchEnd);
}
}
/**
* Event handler for "touchmove"
*
* @param e (event)
* - DOM event object
*/
var onTouchMove = function(e){
var orig = e.originalEvent;
// if scrolling on y axis, do not prevent default
var xMovement = Math.abs(orig.changedTouches[0].pageX - slider.touch.start.x);
var yMovement = Math.abs(orig.changedTouches[0].pageY - slider.touch.start.y);
// x axis swipe
if((xMovement * 3) > yMovement && slider.settings.preventDefaultSwipeX){
e.preventDefault();
// y axis swipe
}else if((yMovement * 3) > xMovement && slider.settings.preventDefaultSwipeY){
e.preventDefault();
}
if(slider.settings.mode != 'fade' && slider.settings.oneToOneTouch){
var value = 0;
// if horizontal, drag along x axis
if(slider.settings.mode == 'horizontal'){
var change = orig.changedTouches[0].pageX - slider.touch.start.x;
value = slider.touch.originalPos.left + change;
// if vertical, drag along y axis
}else{
var change = orig.changedTouches[0].pageY - slider.touch.start.y;
value = slider.touch.originalPos.top + change;
}
setPositionProperty(value, 'reset', 0);
}
}
/**
* Event handler for "touchend"
*
* @param e (event)
* - DOM event object
*/
var onTouchEnd = function(e){
slider.viewport.unbind('touchmove', onTouchMove);
var orig = e.originalEvent;
var value = 0;
// record end x, y positions
slider.touch.end.x = orig.changedTouches[0].pageX;
slider.touch.end.y = orig.changedTouches[0].pageY;
// if fade mode, check if absolute x distance clears the threshold
if(slider.settings.mode == 'fade'){
var distance = Math.abs(slider.touch.start.x - slider.touch.end.x);
if(distance >= slider.settings.swipeThreshold){
slider.touch.start.x > slider.touch.end.x ? el.goToNextSlide() : el.goToPrevSlide();
el.stopAuto();
}
// not fade mode
}else{
var distance = 0;
// calculate distance and el's animate property
if(slider.settings.mode == 'horizontal'){
distance = slider.touch.end.x - slider.touch.start.x;
value = slider.touch.originalPos.left;
}else{
distance = slider.touch.end.y - slider.touch.start.y;
value = slider.touch.originalPos.top;
}
// if not infinite loop and first / last slide, do not attempt a slide transition
if(!slider.settings.infiniteLoop && ((slider.active.index == 0 && distance > 0) || (slider.active.last && distance < 0))){
setPositionProperty(value, 'reset', 200);
}else{
// check if distance clears threshold
if(Math.abs(distance) >= slider.settings.swipeThreshold){
distance < 0 ? el.goToNextSlide() : el.goToPrevSlide();
el.stopAuto();
}else{
// el.animate(property, 200);
setPositionProperty(value, 'reset', 200);
}
}
}
slider.viewport.unbind('touchend', onTouchEnd);
}
/**
* Window resize event callback
*/
var resizeWindow = function(e){
// don't do anything if slider isn't initialized.
if(!slider.initialized) return;
// get the new window dimens (again, thank you IE)
var windowWidthNew = $(window).width();
var windowHeightNew = $(window).height();
// make sure that it is a true window resize
// *we must check this because our dinosaur friend IE fires a window resize event when certain DOM elements
// are resized. Can you just die already?*
if(windowWidth != windowWidthNew || windowHeight != windowHeightNew){
// set the new window dimens
windowWidth = windowWidthNew;
windowHeight = windowHeightNew;
// update all dynamic elements
el.redrawSlider();
// Call user resize handler
slider.settings.onSliderResize.call(el, slider.active.index);
}
}
/**
* ===================================================================================
* = 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', slider.settings.slideZIndex+1).fadeIn(slider.settings.speed, function(){
$(this).css('zIndex', slider.settings.slideZIndex);
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 current slide element
*/
el.getCurrentSlideElement = function(){
return slider.children.eq(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')).width(getSlideWidth());
// adjust the height
slider.viewport.css('height', getViewportHeight());
// update the slide position
if(!slider.settings.ticker) setSlidePosition();
// if active.last was true before the screen resize, we want
// to keep it last no matter what screen size we end on
if (slider.active.last) slider.active.index = getPagerQty() - 1;
// if the active index (page) no longer exists due to the resize, simply set the index as last
if (slider.active.index >= getPagerQty()) slider.active.last = true;
// if a pager is being displayed and a custom pager is not being used, update it
if(slider.settings.pager && !slider.settings.pagerCustom){
populatePager();
updatePagerActive(slider.active.index);
}
}
/**
* Destroy the current instance of the slider (revert everything back to original state)
*/
el.destroySlider = function(){
// don't do anything if slider has already been destroyed
if(!slider.initialized) return;
slider.initialized = false;
$('.bx-clone', this).remove();
slider.children.each(function() {
$(this).data("origStyle") != undefined ? $(this).attr("style", $(this).data("origStyle")) : $(this).removeAttr('style');
});
$(this).data("origStyle") != undefined ? this.attr("style", $(this).data("origStyle")) : $(this).removeAttr('style');
$(this).unwrap().unwrap();
if(slider.controls.el) slider.controls.el.remove();
if(slider.controls.next) slider.controls.next.remove();
if(slider.controls.prev) slider.controls.prev.remove();
if(slider.pagerEl && slider.settings.controls) slider.pagerEl.remove();
$('.bx-caption', this).remove();
if(slider.controls.autoEl) slider.controls.autoEl.remove();
clearInterval(slider.interval);
if(slider.settings.responsive) $(window).unbind('resize', resizeWindow);
}
/**
* Reload the slider (revert all DOM changes, and re-initialize)
*/
el.reloadSlider = function(settings){
if (settings != undefined) options = settings;
el.destroySlider();
init();
}
init();
// returns the current jQuery object
return this;
}
})(jQuery);
// Generated by CoffeeScript 1.6.2
/*!
jQuery Waypoints - v2.0.5
Copyright (c) 2011-2014 Caleb Troughton
Licensed under the MIT license.
https://github.com/imakewebthings/jquery-waypoints/blob/master/licenses.txt
*/
(function() {
var __indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; },
__slice = [].slice;
(function(root, factory) {
if (typeof define === 'function' && define.amd) {
return define('waypoints', ['jquery'], function($) {
return factory($, root);
});
} else {
return factory(root.jQuery, root);
}
})(window, function($, window) {
var $w, Context, Waypoint, allWaypoints, contextCounter, contextKey, contexts, isTouch, jQMethods, methods, resizeEvent, scrollEvent, waypointCounter, waypointKey, wp, wps;
$w = $(window);
isTouch = __indexOf.call(window, 'ontouchstart') >= 0;
allWaypoints = {
horizontal: {},
vertical: {}
};
contextCounter = 1;
contexts = {};
contextKey = 'waypoints-context-id';
resizeEvent = 'resize.waypoints';
scrollEvent = 'scroll.waypoints';
waypointCounter = 1;
waypointKey = 'waypoints-waypoint-ids';
wp = 'waypoint';
wps = 'waypoints';
Context = (function() {
function Context($element) {
var _this = this;
this.$element = $element;
this.element = $element[0];
this.didResize = false;
this.didScroll = false;
this.id = 'context' + contextCounter++;
this.oldScroll = {
x: $element.scrollLeft(),
y: $element.scrollTop()
};
this.waypoints = {
horizontal: {},
vertical: {}
};
this.element[contextKey] = this.id;
contexts[this.id] = this;
$element.bind(scrollEvent, function() {
var scrollHandler;
if (!(_this.didScroll || isTouch)) {
_this.didScroll = true;
scrollHandler = function() {
_this.doScroll();
return _this.didScroll = false;
};
return window.setTimeout(scrollHandler, $[wps].settings.scrollThrottle);
}
});
$element.bind(resizeEvent, function() {
var resizeHandler;
if (!_this.didResize) {
_this.didResize = true;
resizeHandler = function() {
$[wps]('refresh');
return _this.didResize = false;
};
return window.setTimeout(resizeHandler, $[wps].settings.resizeThrottle);
}
});
}
Context.prototype.doScroll = function() {
var axes,
_this = this;
axes = {
horizontal: {
newScroll: this.$element.scrollLeft(),
oldScroll: this.oldScroll.x,
forward: 'right',
backward: 'left'
},
vertical: {
newScroll: this.$element.scrollTop(),
oldScroll: this.oldScroll.y,
forward: 'down',
backward: 'up'
}
};
if (isTouch && (!axes.vertical.oldScroll || !axes.vertical.newScroll)) {
$[wps]('refresh');
}
$.each(axes, function(aKey, axis) {
var direction, isForward, triggered;
triggered = [];
isForward = axis.newScroll > axis.oldScroll;
direction = isForward ? axis.forward : axis.backward;
$.each(_this.waypoints[aKey], function(wKey, waypoint) {
var _ref, _ref1;
if ((axis.oldScroll < (_ref = waypoint.offset) && _ref <= axis.newScroll)) {
return triggered.push(waypoint);
} else if ((axis.newScroll < (_ref1 = waypoint.offset) && _ref1 <= axis.oldScroll)) {
return triggered.push(waypoint);
}
});
triggered.sort(function(a, b) {
return a.offset - b.offset;
});
if (!isForward) {
triggered.reverse();
}
return $.each(triggered, function(i, waypoint) {
if (waypoint.options.continuous || i === triggered.length - 1) {
return waypoint.trigger([direction]);
}
});
});
return this.oldScroll = {
x: axes.horizontal.newScroll,
y: axes.vertical.newScroll
};
};
Context.prototype.refresh = function() {
var axes, cOffset, isWin,
_this = this;
isWin = $.isWindow(this.element);
cOffset = this.$element.offset();
this.doScroll();
axes = {
horizontal: {
contextOffset: isWin ? 0 : cOffset.left,
contextScroll: isWin ? 0 : this.oldScroll.x,
contextDimension: this.$element.width(),
oldScroll: this.oldScroll.x,
forward: 'right',
backward: 'left',
offsetProp: 'left'
},
vertical: {
contextOffset: isWin ? 0 : cOffset.top,
contextScroll: isWin ? 0 : this.oldScroll.y,
contextDimension: isWin ? $[wps]('viewportHeight') : this.$element.height(),
oldScroll: this.oldScroll.y,
forward: 'down',
backward: 'up',
offsetProp: 'top'
}
};
return $.each(axes, function(aKey, axis) {
return $.each(_this.waypoints[aKey], function(i, waypoint) {
var adjustment, elementOffset, oldOffset, _ref, _ref1;
adjustment = waypoint.options.offset;
oldOffset = waypoint.offset;
elementOffset = $.isWindow(waypoint.element) ? 0 : waypoint.$element.offset()[axis.offsetProp];
if ($.isFunction(adjustment)) {
adjustment = adjustment.apply(waypoint.element);
} else if (typeof adjustment === 'string') {
adjustment = parseFloat(adjustment);
if (waypoint.options.offset.indexOf('%') > -1) {
adjustment = Math.ceil(axis.contextDimension * adjustment / 100);
}
}
waypoint.offset = elementOffset - axis.contextOffset + axis.contextScroll - adjustment;
if ((waypoint.options.onlyOnScroll && (oldOffset != null)) || !waypoint.enabled) {
return;
}
if (oldOffset !== null && (oldOffset < (_ref = axis.oldScroll) && _ref <= waypoint.offset)) {
return waypoint.trigger([axis.backward]);
} else if (oldOffset !== null && (oldOffset > (_ref1 = axis.oldScroll) && _ref1 >= waypoint.offset)) {
return waypoint.trigger([axis.forward]);
} else if (oldOffset === null && axis.oldScroll >= waypoint.offset) {
return waypoint.trigger([axis.forward]);
}
});
});
};
Context.prototype.checkEmpty = function() {
if ($.isEmptyObject(this.waypoints.horizontal) && $.isEmptyObject(this.waypoints.vertical)) {
this.$element.unbind([resizeEvent, scrollEvent].join(' '));
return delete contexts[this.id];
}
};
return Context;
})();
Waypoint = (function() {
function Waypoint($element, context, options) {
var idList, _ref;
if (options.offset === 'bottom-in-view') {
options.offset = function() {
var contextHeight;
contextHeight = $[wps]('viewportHeight');
if (!$.isWindow(context.element)) {
contextHeight = context.$element.height();
}
return contextHeight - $(this).outerHeight();
};
}
this.$element = $element;
this.element = $element[0];
this.axis = options.horizontal ? 'horizontal' : 'vertical';
this.callback = options.handler;
this.context = context;
this.enabled = options.enabled;
this.id = 'waypoints' + waypointCounter++;
this.offset = null;
this.options = options;
context.waypoints[this.axis][this.id] = this;
allWaypoints[this.axis][this.id] = this;
idList = (_ref = this.element[waypointKey]) != null ? _ref : [];
idList.push(this.id);
this.element[waypointKey] = idList;
}
Waypoint.prototype.trigger = function(args) {
if (!this.enabled) {
return;
}
if (this.callback != null) {
this.callback.apply(this.element, args);
}
if (this.options.triggerOnce) {
return this.destroy();
}
};
Waypoint.prototype.disable = function() {
return this.enabled = false;
};
Waypoint.prototype.enable = function() {
this.context.refresh();
return this.enabled = true;
};
Waypoint.prototype.destroy = function() {
delete allWaypoints[this.axis][this.id];
delete this.context.waypoints[this.axis][this.id];
return this.context.checkEmpty();
};
Waypoint.getWaypointsByElement = function(element) {
var all, ids;
ids = element[waypointKey];
if (!ids) {
return [];
}
all = $.extend({}, allWaypoints.horizontal, allWaypoints.vertical);
return $.map(ids, function(id) {
return all[id];
});
};
return Waypoint;
})();
methods = {
init: function(f, options) {
var _ref;
options = $.extend({}, $.fn[wp].defaults, options);
if ((_ref = options.handler) == null) {
options.handler = f;
}
this.each(function() {
var $this, context, contextElement, _ref1;
$this = $(this);
contextElement = (_ref1 = options.context) != null ? _ref1 : $.fn[wp].defaults.context;
if (!$.isWindow(contextElement)) {
contextElement = $this.closest(contextElement);
}
contextElement = $(contextElement);
context = contexts[contextElement[0][contextKey]];
if (!context) {
context = new Context(contextElement);
}
return new Waypoint($this, context, options);
});
$[wps]('refresh');
return this;
},
disable: function() {
return methods._invoke.call(this, 'disable');
},
enable: function() {
return methods._invoke.call(this, 'enable');
},
destroy: function() {
return methods._invoke.call(this, 'destroy');
},
prev: function(axis, selector) {
return methods._traverse.call(this, axis, selector, function(stack, index, waypoints) {
if (index > 0) {
return stack.push(waypoints[index - 1]);
}
});
},
next: function(axis, selector) {
return methods._traverse.call(this, axis, selector, function(stack, index, waypoints) {
if (index < waypoints.length - 1) {
return stack.push(waypoints[index + 1]);
}
});
},
_traverse: function(axis, selector, push) {
var stack, waypoints;
if (axis == null) {
axis = 'vertical';
}
if (selector == null) {
selector = window;
}
waypoints = jQMethods.aggregate(selector);
stack = [];
this.each(function() {
var index;
index = $.inArray(this, waypoints[axis]);
return push(stack, index, waypoints[axis]);
});
return this.pushStack(stack);
},
_invoke: function(method) {
this.each(function() {
var waypoints;
waypoints = Waypoint.getWaypointsByElement(this);
return $.each(waypoints, function(i, waypoint) {
waypoint[method]();
return true;
});
});
return this;
}
};
$.fn[wp] = function() {
var args, method;
method = arguments[0], args = 2 <= arguments.length ? __slice.call(arguments, 1) : [];
if (methods[method]) {
return methods[method].apply(this, args);
} else if ($.isFunction(method)) {
return methods.init.apply(this, arguments);
} else if ($.isPlainObject(method)) {
return methods.init.apply(this, [null, method]);
} else if (!method) {
return $.error("jQuery Waypoints needs a callback function or handler option.");
} else {
return $.error("The " + method + " method does not exist in jQuery Waypoints.");
}
};
$.fn[wp].defaults = {
context: window,
continuous: true,
enabled: true,
horizontal: false,
offset: 0,
triggerOnce: false
};
jQMethods = {
refresh: function() {
return $.each(contexts, function(i, context) {
return context.refresh();
});
},
viewportHeight: function() {
var _ref;
return (_ref = window.innerHeight) != null ? _ref : $w.height();
},
aggregate: function(contextSelector) {
var collection, waypoints, _ref;
collection = allWaypoints;
if (contextSelector) {
collection = (_ref = contexts[$(contextSelector)[0][contextKey]]) != null ? _ref.waypoints : void 0;
}
if (!collection) {
return [];
}
waypoints = {
horizontal: [],
vertical: []
};
$.each(waypoints, function(axis, arr) {
$.each(collection[axis], function(key, waypoint) {
return arr.push(waypoint);
});
arr.sort(function(a, b) {
return a.offset - b.offset;
});
waypoints[axis] = $.map(arr, function(waypoint) {
return waypoint.element;
});
return waypoints[axis] = $.unique(waypoints[axis]);
});
return waypoints;
},
above: function(contextSelector) {
if (contextSelector == null) {
contextSelector = window;
}
return jQMethods._filter(contextSelector, 'vertical', function(context, waypoint) {
return waypoint.offset <= context.oldScroll.y;
});
},
below: function(contextSelector) {
if (contextSelector == null) {
contextSelector = window;
}
return jQMethods._filter(contextSelector, 'vertical', function(context, waypoint) {
return waypoint.offset > context.oldScroll.y;
});
},
left: function(contextSelector) {
if (contextSelector == null) {
contextSelector = window;
}
return jQMethods._filter(contextSelector, 'horizontal', function(context, waypoint) {
return waypoint.offset <= context.oldScroll.x;
});
},
right: function(contextSelector) {
if (contextSelector == null) {
contextSelector = window;
}
return jQMethods._filter(contextSelector, 'horizontal', function(context, waypoint) {
return waypoint.offset > context.oldScroll.x;
});
},
enable: function() {
return jQMethods._invoke('enable');
},
disable: function() {
return jQMethods._invoke('disable');
},
destroy: function() {
return jQMethods._invoke('destroy');
},
extendFn: function(methodName, f) {
return methods[methodName] = f;
},
_invoke: function(method) {
var waypoints;
waypoints = $.extend({}, allWaypoints.vertical, allWaypoints.horizontal);
return $.each(waypoints, function(key, waypoint) {
waypoint[method]();
return true;
});
},
_filter: function(selector, axis, test) {
var context, waypoints;
context = contexts[$(selector)[0][contextKey]];
if (!context) {
return [];
}
waypoints = [];
$.each(context.waypoints[axis], function(i, waypoint) {
if (test(context, waypoint)) {
return waypoints.push(waypoint);
}
});
waypoints.sort(function(a, b) {
return a.offset - b.offset;
});
return $.map(waypoints, function(waypoint) {
return waypoint.element;
});
}
};
$[wps] = function() {
var args, method;
method = arguments[0], args = 2 <= arguments.length ? __slice.call(arguments, 1) : [];
if (jQMethods[method]) {
return jQMethods[method].apply(null, args);
} else {
return jQMethods.aggregate.call(null, method);
}
};
$[wps].settings = {
resizeThrottle: 100,
scrollThrottle: 30
};
return $w.on('load.waypoints', function() {
return $[wps]('refresh');
});
});
}).call(this);