;(function($){
var defaults={
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',
touchEnabled: true,
swipeThreshold: 50,
oneToOneTouch: true,
preventDefaultSwipeX: true,
preventDefaultSwipeY: false,
ariaLive: true,
ariaHidden: true,
keyboardEnabled: false,
pager: true,
pagerType: 'full',
pagerShortSeparator: ' / ',
pagerSelector: null,
buildPager: null,
pagerCustom: null,
controls: true,
nextText: 'Next',
prevText: 'Prev',
nextSelector: null,
prevSelector: null,
autoControls: false,
startText: 'Start',
stopText: 'Stop',
autoControlsCombine: false,
autoControlsSelector: null,
auto: false,
pause: 4000,
autoStart: true,
autoDirection: 'next',
stopAutoOnClick: false,
autoHover: false,
autoDelay: 0,
autoSlideForOnePage: false,
minSlides: 1,
maxSlides: 1,
moveSlides: 0,
slideWidth: 0,
shrinkItems: false,
onSliderLoad: function(){ return true; },
onSlideBefore: function(){ return true; },
onSlideAfter: function(){ return true; },
onSlideNext: function(){ return true; },
onSlidePrev: function(){ return true; },
onSliderResize: function(){ return true; }};
$.fn.bxSlider=function(options){
if(this.length===0){
return this;
}
if(this.length > 1){
this.each(function(){
$(this).bxSlider(options);
});
return this;
}
var slider={},
el=this,
windowWidth=$(window).width(),
windowHeight=$(window).height();
if($(el).data('bxSlider')){ return; }
var init=function(){
if($(el).data('bxSlider')){ return; }
slider.settings=$.extend({}, defaults, options);
slider.settings.slideWidth=parseInt(slider.settings.slideWidth);
slider.children=el.children(slider.settings.slideSelector);
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(slider.settings.randomStart){ slider.settings.startSlide=Math.floor(Math.random() * slider.children.length); }
slider.active={ index: slider.settings.startSlide };
slider.carousel=slider.settings.minSlides > 1||slider.settings.maxSlides > 1 ? true:false;
if(slider.carousel){ slider.settings.preloadImages='all'; }
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);
slider.working=false;
slider.controls={};
slider.interval=null;
slider.animProp=slider.settings.mode==='vertical' ? 'top':'left';
slider.usingCSS=slider.settings.useCSS&&slider.settings.mode!=='fade'&&(function(){
var div=document.createElement('div'),
props=['WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective'];
for (var i=0; i < props.length; i++){
if(div.style[props[i]]!==undefined){
slider.cssPrefix=props[i].replace('Perspective', '').toLowerCase();
slider.animProp='-' + slider.cssPrefix + '-transform';
return true;
}}
return false;
}());
if(slider.settings.mode==='vertical'){ slider.settings.maxSlides=slider.settings.minSlides; }
el.data('origStyle', el.attr('style'));
el.children(slider.settings.slideSelector).each(function(){
$(this).data('origStyle', $(this).attr('style'));
});
setup();
};
var setup=function(){
var preloadSelector=slider.children.eq(slider.settings.startSlide);
el.wrap('<div class="' + slider.settings.wrapperClass + '"><div class="bx-viewport"></div></div>');
slider.viewport=el.parent();
if(slider.settings.ariaLive&&!slider.settings.ticker){
slider.viewport.attr('aria-live', 'polite');
}
slider.loader=$('<div class="bx-loading" />');
slider.viewport.prepend(slider.loader);
el.css({
width: slider.settings.mode==='horizontal' ? (slider.children.length * 1000 + 215) + '%':'auto',
position: 'relative'
});
if(slider.usingCSS&&slider.settings.easing){
el.css('-' + slider.cssPrefix + '-transition-timing-function', slider.settings.easing);
}else if(!slider.settings.easing){
slider.settings.easing='swing';
}
slider.viewport.css({
width: '100%',
overflow: 'hidden',
position: 'relative'
});
slider.viewport.parent().css({
maxWidth: getViewportMaxWidth()
});
if(!slider.settings.pager&&!slider.settings.controls){
slider.viewport.parent().css({
margin: '0 auto 0px'
});
}
slider.children.css({
float: slider.settings.mode==='horizontal' ? 'left':'none',
listStyle: 'none',
position: 'relative'
});
slider.children.css('width', getSlideWidth());
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(slider.settings.mode==='fade'){
slider.children.css({
position: 'absolute',
zIndex: 0,
display: 'none'
});
slider.children.eq(slider.settings.startSlide).css({zIndex: slider.settings.slideZIndex, display: 'block'});
}
slider.controls.el=$('<div class="bx-controls" />');
if(slider.settings.captions){ appendCaptions(); }
slider.active.last=slider.settings.startSlide===getPagerQty() - 1;
if(slider.settings.video){ el.fitVids(); }
if(slider.settings.preloadImages==='all'||slider.settings.ticker){ preloadSelector=slider.children; }
if(!slider.settings.ticker){
if(slider.settings.controls){ appendControls(); }
if(slider.settings.auto&&slider.settings.autoControls){ appendControlsAuto(); }
if(slider.settings.pager){ appendPager(); }
if(slider.settings.controls||slider.settings.autoControls||slider.settings.pager){ slider.viewport.after(slider.controls.el); }}else{
slider.settings.pager=false;
}
loadElements(preloadSelector, start);
};
var loadElements=function(selector, callback){
var total=selector.find('img:not([src=""]), iframe').length,
count=0;
if(total===0){
callback();
return;
}
selector.find('img:not([src=""]), iframe').each(function(){
$(this).one('load error', function(){
if(++count===total){ callback(); }}).each(function(){
if(this.complete){ $(this).load(); }});
});
};
var start=function(){
if(slider.settings.infiniteLoop&&slider.settings.mode!=='fade'&&!slider.settings.ticker){
var slice=slider.settings.mode==='vertical' ? slider.settings.minSlides:slider.settings.maxSlides,
sliceAppend=slider.children.slice(0, slice).clone(true).addClass('bx-clone'),
slicePrepend=slider.children.slice(-slice).clone(true).addClass('bx-clone');
if(slider.settings.ariaHidden){
sliceAppend.attr('aria-hidden', true);
slicePrepend.attr('aria-hidden', true);
}
el.append(sliceAppend).prepend(slicePrepend);
}
slider.loader.remove();
setSlidePosition();
if(slider.settings.mode==='vertical'){ slider.settings.adaptiveHeight=true; }
slider.viewport.height(getViewportHeight());
el.redrawSlider();
slider.settings.onSliderLoad.call(el, slider.active.index);
slider.initialized=true;
if(slider.settings.responsive){ $(window).bind('resize', resizeWindow); }
if(slider.settings.auto&&slider.settings.autoStart&&(getPagerQty() > 1||slider.settings.autoSlideForOnePage)){ initAuto(); }
if(slider.settings.ticker){ initTicker(); }
if(slider.settings.pager){ updatePagerActive(slider.settings.startSlide); }
if(slider.settings.controls){ updateDirectionControls(); }
if(slider.settings.touchEnabled&&!slider.settings.ticker){ initTouch(); }
if(slider.settings.keyboardEnabled&&!slider.settings.ticker){
$(document).keydown(keyPress);
}};
var getViewportHeight=function(){
var height=0;
var children=$();
if(slider.settings.mode!=='vertical'&&!slider.settings.adaptiveHeight){
children=slider.children;
}else{
if(!slider.carousel){
children=slider.children.eq(slider.active.index);
}else{
var currentIndex=slider.settings.moveSlides===1 ? slider.active.index:slider.active.index * getMoveBy();
children=slider.children.eq(currentIndex);
for (i=1; i <=slider.settings.maxSlides - 1; i++){
if(currentIndex + i >=slider.children.length){
children=children.add(slider.children.eq(i - 1));
}else{
children=children.add(slider.children.eq(currentIndex + i));
}}
}}
if(slider.settings.mode==='vertical'){
children.each(function(index){
height +=$(this).outerHeight();
});
if(slider.settings.slideMargin > 0){
height +=slider.settings.slideMargin * (slider.settings.minSlides - 1);
}}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;
};
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;
};
var getSlideWidth=function(){
var newElWidth=slider.settings.slideWidth,
wrapWidth=slider.viewport.width();
if(slider.settings.slideWidth===0 ||
(slider.settings.slideWidth > wrapWidth&&!slider.carousel) ||
slider.settings.mode==='vertical'){
newElWidth=wrapWidth;
}else if(slider.settings.maxSlides > 1&&slider.settings.mode==='horizontal'){
if(wrapWidth > slider.maxThreshold){
return newElWidth;
}else if(wrapWidth < slider.minThreshold){
newElWidth=(wrapWidth - (slider.settings.slideMargin * (slider.settings.minSlides - 1))) / slider.settings.minSlides;
}else if(slider.settings.shrinkItems){
newElWidth=Math.floor((wrapWidth + slider.settings.slideMargin) / (Math.ceil((wrapWidth + slider.settings.slideMargin) / (newElWidth + slider.settings.slideMargin))) - slider.settings.slideMargin);
}}
return newElWidth;
};
var getNumberSlidesShowing=function(){
var slidesShowing=1,
childWidth=null;
if(slider.settings.mode==='horizontal'&&slider.settings.slideWidth > 0){
if(slider.viewport.width() < slider.minThreshold){
slidesShowing=slider.settings.minSlides;
}else if(slider.viewport.width() > slider.maxThreshold){
slidesShowing=slider.settings.maxSlides;
}else{
childWidth=slider.children.first().width() + slider.settings.slideMargin;
slidesShowing=Math.floor((slider.viewport.width() +
slider.settings.slideMargin) / childWidth);
}}else if(slider.settings.mode==='vertical'){
slidesShowing=slider.settings.minSlides;
}
return slidesShowing;
};
var getPagerQty=function(){
var pagerQty=0,
breakPoint=0,
counter=0;
if(slider.settings.moveSlides > 0){
if(slider.settings.infiniteLoop){
pagerQty=Math.ceil(slider.children.length / getMoveBy());
}else{
while (breakPoint < slider.children.length){
++pagerQty;
breakPoint=counter + getNumberSlidesShowing();
counter +=slider.settings.moveSlides <=getNumberSlidesShowing() ? slider.settings.moveSlides:getNumberSlidesShowing();
}}
}else{
pagerQty=Math.ceil(slider.children.length / getNumberSlidesShowing());
}
return pagerQty;
};
var getMoveBy=function(){
if(slider.settings.moveSlides > 0&&slider.settings.moveSlides <=getNumberSlidesShowing()){
return slider.settings.moveSlides;
}
return getNumberSlidesShowing();
};
var setSlidePosition=function(){
var position, lastChild, lastShowingIndex;
if(slider.children.length > slider.settings.maxSlides&&slider.active.last&&!slider.settings.infiniteLoop){
if(slider.settings.mode==='horizontal'){
lastChild=slider.children.last();
position=lastChild.position();
setPositionProperty(-(position.left - (slider.viewport.width() - lastChild.outerWidth())), 'reset', 0);
}else if(slider.settings.mode==='vertical'){
lastShowingIndex=slider.children.length - slider.settings.minSlides;
position=slider.children.eq(lastShowingIndex).position();
setPositionProperty(-position.top, 'reset', 0);
}}else{
position=slider.children.eq(slider.active.index * getMoveBy()).position();
if(slider.active.index===getPagerQty() - 1){ slider.active.last=true; }
if(position!==undefined){
if(slider.settings.mode==='horizontal'){ setPositionProperty(-position.left, 'reset', 0); }
else if(slider.settings.mode==='vertical'){ setPositionProperty(-position.top, 'reset', 0); }}
}};
var setPositionProperty=function(value, type, duration, params){
var animateObj, propValue;
if(slider.usingCSS){
propValue=slider.settings.mode==='vertical' ? 'translate3d(0, ' + value + 'px, 0)':'translate3d(' + value + 'px, 0, 0)';
el.css('-' + slider.cssPrefix + '-transition-duration', duration / 1000 + 's');
if(type==='slide'){
el.css(slider.animProp, propValue);
if(duration!==0){
el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(e){
if(!$(e.target).is(el)){ return; }
el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd');
updateAfterSlideTransition();
});
}else{
updateAfterSlideTransition();
}}else if(type==='reset'){
el.css(slider.animProp, propValue);
}else if(type==='ticker'){
el.css('-' + slider.cssPrefix + '-transition-timing-function', 'linear');
el.css(slider.animProp, propValue);
if(duration!==0){
el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(e){
if(!$(e.target).is(el)){ return; }
el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd');
setPositionProperty(params.resetValue, 'reset', 0);
tickerLoop();
});
}else{
setPositionProperty(params.resetValue, 'reset', 0);
tickerLoop();
}}
}else{
animateObj={};
animateObj[slider.animProp]=value;
if(type==='slide'){
el.animate(animateObj, duration, slider.settings.easing, function(){
updateAfterSlideTransition();
});
}else if(type==='reset'){
el.css(slider.animProp, value);
}else if(type==='ticker'){
el.animate(animateObj, duration, 'linear', function(){
setPositionProperty(params.resetValue, 'reset', 0);
tickerLoop();
});
}}
};
var populatePager=function(){
var pagerHtml='',
linkContent='',
pagerQty=getPagerQty();
for (var i=0; i < pagerQty; i++){
linkContent='';
if(slider.settings.buildPager&&$.isFunction(slider.settings.buildPager)||slider.settings.pagerCustom){
linkContent=slider.settings.buildPager(i);
slider.pagerEl.addClass('bx-custom-pager');
}else{
linkContent=i + 1;
slider.pagerEl.addClass('bx-default-pager');
}
pagerHtml +='<div class="bx-pager-item"><a href="" data-slide-index="' + i + '" class="bx-pager-link">' + linkContent + '</a></div>';
}
slider.pagerEl.html(pagerHtml);
};
var appendPager=function(){
if(!slider.settings.pagerCustom){
slider.pagerEl=$('<div class="bx-pager" />');
if(slider.settings.pagerSelector){
$(slider.settings.pagerSelector).html(slider.pagerEl);
}else{
slider.controls.el.addClass('bx-has-pager').append(slider.pagerEl);
}
populatePager();
}else{
slider.pagerEl=$(slider.settings.pagerCustom);
}
slider.pagerEl.on('click touchend', 'a', clickPagerBind);
};
var appendControls=function(){
slider.controls.next=$('<a class="bx-next" href="">' + slider.settings.nextText + '</a>');
slider.controls.prev=$('<a class="bx-prev" href="">' + slider.settings.prevText + '</a>');
slider.controls.next.bind('click touchend', clickNextBind);
slider.controls.prev.bind('click touchend', clickPrevBind);
if(slider.settings.nextSelector){
$(slider.settings.nextSelector).append(slider.controls.next);
}
if(slider.settings.prevSelector){
$(slider.settings.prevSelector).append(slider.controls.prev);
}
if(!slider.settings.nextSelector&&!slider.settings.prevSelector){
slider.controls.directionEl=$('<div class="bx-controls-direction" />');
slider.controls.directionEl.append(slider.controls.prev).append(slider.controls.next);
slider.controls.el.addClass('bx-has-controls-direction').append(slider.controls.directionEl);
}};
var appendControlsAuto=function(){
slider.controls.start=$('<div class="bx-controls-auto-item"><a class="bx-start" href="">' + slider.settings.startText + '</a></div>');
slider.controls.stop=$('<div class="bx-controls-auto-item"><a class="bx-stop" href="">' + slider.settings.stopText + '</a></div>');
slider.controls.autoEl=$('<div class="bx-controls-auto" />');
slider.controls.autoEl.on('click', '.bx-start', clickStartBind);
slider.controls.autoEl.on('click', '.bx-stop', clickStopBind);
if(slider.settings.autoControlsCombine){
slider.controls.autoEl.append(slider.controls.start);
}else{
slider.controls.autoEl.append(slider.controls.start).append(slider.controls.stop);
}
if(slider.settings.autoControlsSelector){
$(slider.settings.autoControlsSelector).html(slider.controls.autoEl);
}else{
slider.controls.el.addClass('bx-has-controls-auto').append(slider.controls.autoEl);
}
updateAutoControls(slider.settings.autoStart ? 'stop':'start');
};
var appendCaptions=function(){
slider.children.each(function(index){
var title=$(this).find('img:first').attr('title');
if(title!==undefined&&('' + title).length){
$(this).append('<div class="bx-caption"><span>' + title + '</span></div>');
}});
};
var clickNextBind=function(e){
e.preventDefault();
if(slider.controls.el.hasClass('disabled')){ return; }
if(slider.settings.auto&&slider.settings.stopAutoOnClick){ el.stopAuto(); }
el.goToNextSlide();
};
var clickPrevBind=function(e){
e.preventDefault();
if(slider.controls.el.hasClass('disabled')){ return; }
if(slider.settings.auto&&slider.settings.stopAutoOnClick){ el.stopAuto(); }
el.goToPrevSlide();
};
var clickStartBind=function(e){
el.startAuto();
e.preventDefault();
};
var clickStopBind=function(e){
el.stopAuto();
e.preventDefault();
};
var clickPagerBind=function(e){
var pagerLink, pagerIndex;
e.preventDefault();
if(slider.controls.el.hasClass('disabled')){
return;
}
if(slider.settings.auto&&slider.settings.stopAutoOnClick){ el.stopAuto(); }
pagerLink=$(e.currentTarget);
if(pagerLink.attr('data-slide-index')!==undefined){
pagerIndex=parseInt(pagerLink.attr('data-slide-index'));
if(pagerIndex!==slider.active.index){ el.goToSlide(pagerIndex); }}
};
var updatePagerActive=function(slideIndex){
var len=slider.children.length;
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;
}
slider.pagerEl.find('a').removeClass('active');
slider.pagerEl.each(function(i, el){ $(el).find('a').eq(slideIndex).addClass('active'); });
};
var updateAfterSlideTransition=function(){
if(slider.settings.infiniteLoop){
var position='';
if(slider.active.index===0){
position=slider.children.eq(0).position();
}else if(slider.active.index===getPagerQty() - 1&&slider.carousel){
position=slider.children.eq((getPagerQty() - 1) * getMoveBy()).position();
}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); }}
}
slider.working=false;
slider.settings.onSlideAfter.call(el, slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);
};
var updateAutoControls=function(state){
if(slider.settings.autoControlsCombine){
slider.controls.autoEl.html(slider.controls[state]);
}else{
slider.controls.autoEl.find('a').removeClass('active');
slider.controls.autoEl.find('a:not(.bx-' + state + ')').addClass('active');
}};
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(slider.active.index===0){
slider.controls.prev.addClass('disabled');
slider.controls.next.removeClass('disabled');
}else if(slider.active.index===getPagerQty() - 1){
slider.controls.next.addClass('disabled');
slider.controls.prev.removeClass('disabled');
}else{
slider.controls.prev.removeClass('disabled');
slider.controls.next.removeClass('disabled');
}}
};
var initAuto=function(){
if(slider.settings.autoDelay > 0){
var timeout=setTimeout(el.startAuto, slider.settings.autoDelay);
}else{
el.startAuto();
$(window).focus(function(){
el.startAuto();
}).blur(function(){
el.stopAuto();
});
}
if(slider.settings.autoHover){
el.hover(function(){
if(slider.interval){
el.stopAuto(true);
slider.autoPaused=true;
}}, function(){
if(slider.autoPaused){
el.startAuto(true);
slider.autoPaused=null;
}});
}};
var initTicker=function(){
var startPosition=0,
position, transform, value, idx, ratio, property, newSpeed, totalDimens;
if(slider.settings.autoDirection==='next'){
el.append(slider.children.clone().addClass('bx-clone'));
}else{
el.prepend(slider.children.clone().addClass('bx-clone'));
position=slider.children.first().position();
startPosition=slider.settings.mode==='horizontal' ? -position.left:-position.top;
}
setPositionProperty(startPosition, 'reset', 0);
slider.settings.pager=false;
slider.settings.controls=false;
slider.settings.autoControls=false;
if(slider.settings.tickerHover){
if(slider.usingCSS){
idx=slider.settings.mode==='horizontal' ? 4:5;
slider.viewport.hover(function(){
transform=el.css('-' + slider.cssPrefix + '-transform');
value=parseFloat(transform.split(',')[idx]);
setPositionProperty(value, 'reset', 0);
}, function(){
totalDimens=0;
slider.children.each(function(index){
totalDimens +=slider.settings.mode==='horizontal' ? $(this).outerWidth(true):$(this).outerHeight(true);
});
ratio=slider.settings.speed / totalDimens;
property=slider.settings.mode==='horizontal' ? 'left':'top';
newSpeed=ratio * (totalDimens - (Math.abs(parseInt(value))));
tickerLoop(newSpeed);
});
}else{
slider.viewport.hover(function(){
el.stop();
}, function(){
totalDimens=0;
slider.children.each(function(index){
totalDimens +=slider.settings.mode==='horizontal' ? $(this).outerWidth(true):$(this).outerHeight(true);
});
ratio=slider.settings.speed / totalDimens;
property=slider.settings.mode==='horizontal' ? 'left':'top';
newSpeed=ratio * (totalDimens - (Math.abs(parseInt(el.css(property)))));
tickerLoop(newSpeed);
});
}}
tickerLoop();
};
var tickerLoop=function(resumeSpeed){
var speed=resumeSpeed ? resumeSpeed:slider.settings.speed,
position={left: 0, top: 0},
reset={left: 0, top: 0},
animateProperty, resetValue, params;
if(slider.settings.autoDirection==='next'){
position=el.find('.bx-clone').first().position();
}else{
reset=slider.children.first().position();
}
animateProperty=slider.settings.mode==='horizontal' ? -position.left:-position.top;
resetValue=slider.settings.mode==='horizontal' ? -reset.left:-reset.top;
params={resetValue: resetValue};
setPositionProperty(animateProperty, 'ticker', speed, params);
};
var isOnScreen=function(el){
var win=$(window),
viewport={
top: win.scrollTop(),
left: win.scrollLeft()
},
bounds=el.offset();
viewport.right=viewport.left + win.width();
viewport.bottom=viewport.top + win.height();
bounds.right=bounds.left + el.outerWidth();
bounds.bottom=bounds.top + el.outerHeight();
return (!(viewport.right < bounds.left||viewport.left > bounds.right||viewport.bottom < bounds.top||viewport.top > bounds.bottom));
};
var keyPress=function(e){
var activeElementTag=document.activeElement.tagName.toLowerCase(),
tagFilters='input|textarea',
p=new RegExp(activeElementTag,['i']),
result=p.exec(tagFilters);
if(result==null&&isOnScreen(el)){
if(e.keyCode===39){
clickNextBind(e);
return false;
}else if(e.keyCode===37){
clickPrevBind(e);
return false;
}}
};
var initTouch=function(){
slider.touch={
start: {x: 0, y: 0},
end: {x: 0, y: 0}};
slider.viewport.bind('touchstart MSPointerDown pointerdown', onTouchStart);
slider.viewport.on('click', '.bxslider a', function(e){
if(slider.viewport.hasClass('click-disabled')){
e.preventDefault();
slider.viewport.removeClass('click-disabled');
}});
};
var onTouchStart=function(e){
slider.controls.el.addClass('disabled');
if(slider.working){
e.preventDefault();
slider.controls.el.removeClass('disabled');
}else{
slider.touch.originalPos=el.position();
var orig=e.originalEvent,
touchPoints=(typeof orig.changedTouches!=='undefined') ? orig.changedTouches:[orig];
slider.touch.start.x=touchPoints[0].pageX;
slider.touch.start.y=touchPoints[0].pageY;
if(slider.viewport.get(0).setPointerCapture){
slider.pointerId=orig.pointerId;
slider.viewport.get(0).setPointerCapture(slider.pointerId);
}
slider.viewport.bind('touchmove MSPointerMove pointermove', onTouchMove);
slider.viewport.bind('touchend MSPointerUp pointerup', onTouchEnd);
slider.viewport.bind('MSPointerCancel pointercancel', onPointerCancel);
}};
var onPointerCancel=function(e){
setPositionProperty(slider.touch.originalPos.left, 'reset', 0);
slider.controls.el.removeClass('disabled');
slider.viewport.unbind('MSPointerCancel pointercancel', onPointerCancel);
slider.viewport.unbind('touchmove MSPointerMove pointermove', onTouchMove);
slider.viewport.unbind('touchend MSPointerUp pointerup', onTouchEnd);
if(slider.viewport.get(0).releasePointerCapture){
slider.viewport.get(0).releasePointerCapture(slider.pointerId);
}};
var onTouchMove=function(e){
var orig=e.originalEvent,
touchPoints=(typeof orig.changedTouches!=='undefined') ? orig.changedTouches:[orig],
xMovement=Math.abs(touchPoints[0].pageX - slider.touch.start.x),
yMovement=Math.abs(touchPoints[0].pageY - slider.touch.start.y),
value=0,
change=0;
if((xMovement * 3) > yMovement&&slider.settings.preventDefaultSwipeX){
e.preventDefault();
}else if((yMovement * 3) > xMovement&&slider.settings.preventDefaultSwipeY){
e.preventDefault();
}
if(slider.settings.mode!=='fade'&&slider.settings.oneToOneTouch){
if(slider.settings.mode==='horizontal'){
change=touchPoints[0].pageX - slider.touch.start.x;
value=slider.touch.originalPos.left + change;
}else{
change=touchPoints[0].pageY - slider.touch.start.y;
value=slider.touch.originalPos.top + change;
}
setPositionProperty(value, 'reset', 0);
}};
var onTouchEnd=function(e){
slider.viewport.unbind('touchmove MSPointerMove pointermove', onTouchMove);
slider.controls.el.removeClass('disabled');
var orig=e.originalEvent,
touchPoints=(typeof orig.changedTouches!=='undefined') ? orig.changedTouches:[orig],
value=0,
distance=0;
slider.touch.end.x=touchPoints[0].pageX;
slider.touch.end.y=touchPoints[0].pageY;
if(slider.settings.mode==='fade'){
distance=Math.abs(slider.touch.start.x - slider.touch.end.x);
if(distance >=slider.settings.swipeThreshold){
if(slider.touch.start.x > slider.touch.end.x){
el.goToNextSlide();
}else{
el.goToPrevSlide();
}
el.stopAuto();
}}else{
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(!slider.settings.infiniteLoop&&((slider.active.index===0&&distance > 0)||(slider.active.last&&distance < 0))){
setPositionProperty(value, 'reset', 200);
}else{
if(Math.abs(distance) >=slider.settings.swipeThreshold){
if(distance < 0){
el.goToNextSlide();
}else{
el.goToPrevSlide();
}
el.stopAuto();
}else{
setPositionProperty(value, 'reset', 200);
}}
}
slider.viewport.unbind('touchend MSPointerUp pointerup', onTouchEnd);
if(slider.viewport.get(0).releasePointerCapture){
slider.viewport.get(0).releasePointerCapture(slider.pointerId);
}};
var resizeWindow=function(e){
if(!slider.initialized){ return; }
if(slider.working){
window.setTimeout(resizeWindow, 10);
}else{
var windowWidthNew=$(window).width(),
windowHeightNew=$(window).height();
if(windowWidth!==windowWidthNew||windowHeight!==windowHeightNew){
windowWidth=windowWidthNew;
windowHeight=windowHeightNew;
el.redrawSlider();
slider.settings.onSliderResize.call(el, slider.active.index);
}}
};
var applyAriaHiddenAttributes=function(startVisibleIndex){
var numberOfSlidesShowing=getNumberSlidesShowing();
if(slider.settings.ariaHidden&&!slider.settings.ticker){
slider.children.attr('aria-hidden', 'true');
slider.children.slice(startVisibleIndex, startVisibleIndex + numberOfSlidesShowing).attr('aria-hidden', 'false');
}};
var setSlideIndex=function(slideIndex){
if(slideIndex < 0){
if(slider.settings.infiniteLoop){
return getPagerQty() - 1;
}else{
return slider.active.index;
}}else if(slideIndex >=getPagerQty()){
if(slider.settings.infiniteLoop){
return 0;
}else{
return slider.active.index;
}}else{
return slideIndex;
}};
el.goToSlide=function(slideIndex, direction){
var performTransition=true,
moveBy=0,
position={left: 0, top: 0},
lastChild=null,
lastShowingIndex, eq, value, requestEl;
slider.oldIndex=slider.active.index;
slider.active.index=setSlideIndex(slideIndex);
if(slider.working||slider.active.index===slider.oldIndex){ return; }
slider.working=true;
performTransition=slider.settings.onSlideBefore.call(el, slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);
if(typeof (performTransition)!=='undefined'&&!performTransition){
slider.active.index=slider.oldIndex;
slider.working=false;
return;
}
if(direction==='next'){
if(!slider.settings.onSlideNext.call(el, slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index)){
performTransition=false;
}}else if(direction==='prev'){
if(!slider.settings.onSlidePrev.call(el, slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index)){
performTransition=false;
}}
slider.active.last=slider.active.index >=getPagerQty() - 1;
if(slider.settings.pager||slider.settings.pagerCustom){ updatePagerActive(slider.active.index); }
if(slider.settings.controls){ updateDirectionControls(); }
if(slider.settings.mode==='fade'){
if(slider.settings.adaptiveHeight&&slider.viewport.height()!==getViewportHeight()){
slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed);
}
slider.children.filter(':visible').fadeOut(slider.settings.speed).css({zIndex: 0});
slider.children.eq(slider.active.index).css('zIndex', slider.settings.slideZIndex + 1).fadeIn(slider.settings.speed, function(){
$(this).css('zIndex', slider.settings.slideZIndex);
updateAfterSlideTransition();
});
}else{
if(slider.settings.adaptiveHeight&&slider.viewport.height()!==getViewportHeight()){
slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed);
}
if(!slider.settings.infiniteLoop&&slider.carousel&&slider.active.last){
if(slider.settings.mode==='horizontal'){
lastChild=slider.children.eq(slider.children.length - 1);
position=lastChild.position();
moveBy=slider.viewport.width() - lastChild.outerWidth();
}else{
lastShowingIndex=slider.children.length - slider.settings.minSlides;
position=slider.children.eq(lastShowingIndex).position();
}}else if(slider.carousel&&slider.active.last&&direction==='prev'){
eq=slider.settings.moveSlides===1 ? slider.settings.maxSlides - getMoveBy():((getPagerQty() - 1) * getMoveBy()) - (slider.children.length - slider.settings.maxSlides);
lastChild=el.children('.bx-clone').eq(eq);
position=lastChild.position();
}else if(direction==='next'&&slider.active.index===0){
position=el.find('> .bx-clone').eq(slider.settings.maxSlides).position();
slider.active.last=false;
}else if(slideIndex >=0){
requestEl=slideIndex * parseInt(getMoveBy());
position=slider.children.eq(requestEl).position();
}
if(typeof (position)!=='undefined'){
value=slider.settings.mode==='horizontal' ? -(position.left - moveBy):-position.top;
setPositionProperty(value, 'slide', slider.settings.speed);
}else{
slider.working=false;
}}
if(slider.settings.ariaHidden){ applyAriaHiddenAttributes(slider.active.index * getMoveBy()); }};
el.goToNextSlide=function(){
if(!slider.settings.infiniteLoop&&slider.active.last){ return; }
var pagerIndex=parseInt(slider.active.index) + 1;
el.goToSlide(pagerIndex, 'next');
};
el.goToPrevSlide=function(){
if(!slider.settings.infiniteLoop&&slider.active.index===0){ return; }
var pagerIndex=parseInt(slider.active.index) - 1;
el.goToSlide(pagerIndex, 'prev');
};
el.startAuto=function(preventControlUpdate){
if(slider.interval){ return; }
slider.interval=setInterval(function(){
if(slider.settings.autoDirection==='next'){
el.goToNextSlide();
}else{
el.goToPrevSlide();
}}, slider.settings.pause);
if(slider.settings.autoControls&&preventControlUpdate!==true){ updateAutoControls('stop'); }};
el.stopAuto=function(preventControlUpdate){
if(!slider.interval){ return; }
clearInterval(slider.interval);
slider.interval=null;
if(slider.settings.autoControls&&preventControlUpdate!==true){ updateAutoControls('start'); }};
el.getCurrentSlide=function(){
return slider.active.index;
};
el.getCurrentSlideElement=function(){
return slider.children.eq(slider.active.index);
};
el.getSlideElement=function(index){
return slider.children.eq(index);
};
el.getSlideCount=function(){
return slider.children.length;
};
el.isWorking=function(){
return slider.working;
};
el.redrawSlider=function(){
slider.children.add(el.find('.bx-clone')).outerWidth(getSlideWidth());
slider.viewport.css('height', getViewportHeight());
if(!slider.settings.ticker){ setSlidePosition(); }
if(slider.active.last){ slider.active.index=getPagerQty() - 1; }
if(slider.active.index >=getPagerQty()){ slider.active.last=true; }
if(slider.settings.pager&&!slider.settings.pagerCustom){
populatePager();
updatePagerActive(slider.active.index);
}
if(slider.settings.ariaHidden){ applyAriaHiddenAttributes(slider.active.index * getMoveBy()); }};
el.destroySlider=function(){
if(!slider.initialized){ return; }
slider.initialized=false;
$('.bx-clone', this).remove();
slider.children.each(function(){
if($(this).data('origStyle')!==undefined){
$(this).attr('style', $(this).data('origStyle'));
}else{
$(this).removeAttr('style');
}});
if($(this).data('origStyle')!==undefined){
this.attr('style', $(this).data('origStyle'));
}else{
$(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.settings.pagerCustom){ 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); }
if(slider.settings.keyboardEnabled){ $(document).unbind('keydown', keyPress); }
$(this).removeData('bxSlider');
};
el.reloadSlider=function(settings){
if(settings!==undefined){ options=settings; }
el.destroySlider();
init();
$(el).data('bxSlider', this);
};
init();
$(el).data('bxSlider', this);
return this;
};})(jQuery);