/**
* bxslider v4.2.12
* copyright 2013-2015 steven wanderski
* written while drinking belgian ales and listening to jazz
* licensed under mit (http://opensource.org/licenses/mit)
*/
;(function($) {
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,
// accessibility
arialive: true,
ariahidden: true,
// keyboard
keyboardenabled: 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',
stopautoonclick: false,
autohover: false,
autodelay: 0,
autoslideforonepage: false,
// carousel
minslides: 1,
maxslides: 1,
moveslides: 0,
slidewidth: 0,
shrinkitems: false,
// callbacks
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;
}
// support multiple 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
el = this,
// get the original window dimens (thanks a lot ie)
windowwidth = $(window).width(),
windowheight = $(window).height();
// return if slider is already initialized
if ($(el).data('bxslider')) { return; }
/**
* ===================================================================================
* = private functions
* ===================================================================================
*/
/**
* initializes namespace settings to be used throughout plugin
*/
var init = function() {
// return if slider is already initialized
if ($(el).data('bxslider')) { return; }
// merge user-supplied options with the defaults
slider.settings = $.extend({}, defaults, options);
var ischrome = navigator.useragent.indexof('chrome') > -1
if (ischrome && windowwidth > 1200) {
slider.settings.touchenabled = false
}
// 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 ? true : false;
// 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
props = ['webkitperspective', 'mozperspective', 'operspective', 'msperspective'];
// test for each property
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 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() {
var preloadselector = slider.children.eq(slider.settings.startslide); // set the default preload selector (visible)
// wrap el in a wrapper
el.wrap('
');
// store a namespace reference to .bx-viewport
slider.viewport = el.parent();
// add aria-live if the setting is enabled and ticker mode is disabled
if (slider.settings.arialive && !slider.settings.ticker) {
slider.viewport.attr('aria-live', 'polite');
}
// 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 * 1000 + 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';
}
// make modifications to the viewport (.bx-viewport)
slider.viewport.css({
width: '100%',
overflow: 'hidden',
position: 'relative'
});
slider.viewport.parent().css({
maxwidth: getviewportmaxwidth()
});
// 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(); }
if (slider.settings.preloadimages === 'all' || slider.settings.ticker) { preloadselector = slider.children; }
// only check for control addition if not in "ticker" mode
if (!slider.settings.ticker) {
// 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 pager is requested, add it
if (slider.settings.pager) { appendpager(); }
// 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;
}
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).trigger('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,
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);
}
// 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.call(el, 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(); }
// if keyboardenabled is true, setup the keyboard events
if (slider.settings.keyboardenabled && !slider.settings.ticker) {
$(document).keydown(keypress);
}
};
/**
* 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() {
var newelwidth = slider.settings.slidewidth, // start with any user-supplied slide width
wrapwidth = slider.viewport.width(); // get the current 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) {
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;
};
/**
* returns the number of slides currently visible in the viewport (includes partially visible slides)
*/
var getnumberslidesshowing = function() {
var slidesshowing = 1,
childwidth = null;
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 maxthreshold, 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 {
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,
breakpoint = 0,
counter = 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 {
// 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 individual 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() {
var position, lastchild, lastshowingindex;
// 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
lastchild = slider.children.last();
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
lastshowingindex = slider.children.length - slider.settings.minslides;
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
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 respective 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) 'slide', '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) {
var animateobj, propvalue;
// use css transform
if (slider.usingcss) {
// determine the translate3d value
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);
if (duration !== 0) {
// bind a callback method - executes when css transition completes
el.bind('transitionend webkittransitionend otransitionend mstransitionend', function(e) {
//make sure it's the correct one
if (!$(e.target).is(el)) { return; }
// unbind the callback
el.unbind('transitionend webkittransitionend otransitionend mstransitionend');
updateafterslidetransition();
});
} else { //duration = 0
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);
if (duration !== 0) {
el.bind('transitionend webkittransitionend otransitionend mstransitionend', function(e) {
//make sure it's the correct one
if (!$(e.target).is(el)) { return; }
// unbind the callback
el.unbind('transitionend webkittransitionend otransitionend mstransitionend');
// reset the position
setpositionproperty(params.resetvalue, 'reset', 0);
// start the loop again
tickerloop();
});
} else { //duration = 0
setpositionproperty(params.resetvalue, 'reset', 0);
tickerloop();
}
}
// use js animate
} 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);
// run the recursive loop after animation
tickerloop();
});
}
}
};
/**
* populates the pager with proper amount of pages
*/
var populatepager = function() {
var pagerhtml = '',
linkcontent = '',
pagerqty = getpagerqty();
// loop through each pager item
for (var i = 0; i < pagerqty; i++) {
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) || slider.settings.pagercustom) {
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 touchend', '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 touchend', clicknextbind);
slider.controls.prev.bind('click touchend', clickprevbind);
// if nextselector was supplied, populate it
if (slider.settings.nextselector) {
$(slider.settings.nextselector).append(slider.controls.next);
}
// if prevselector 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) {
e.preventdefault();
if (slider.controls.el.hasclass('disabled')) { return; }
// if auto show is running, stop it
if (slider.settings.auto && slider.settings.stopautoonclick) { el.stopauto(); }
el.gotonextslide();
};
/**
* click prev binding
*
* @param e (event)
* - dom event object
*/
var clickprevbind = function(e) {
e.preventdefault();
if (slider.controls.el.hasclass('disabled')) { return; }
// if auto show is running, stop it
if (slider.settings.auto && slider.settings.stopautoonclick) { el.stopauto(); }
el.gotoprevslide();
};
/**
* 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) {
var pagerlink, pagerindex;
e.preventdefault();
if (slider.controls.el.hasclass('disabled')) {
return;
}
// if auto show is running, stop it
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 clicked pager link is not active, continue with the gotoslide call
if (pagerindex !== slider.active.index) { el.gotoslide(pagerindex); }
}
};
/**
* 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 infinite 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.call(el, 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');
}
}
};
/**
* initializes 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();
//add focus and blur events to ensure its running if timeout gets paused
$(window).focus(function() {
el.startauto();
}).blur(function() {
el.stopauto();
});
}
// 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 argument 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 argument which will prevent control update
el.startauto(true);
// reset the autopaused value
slider.autopaused = null;
}
});
}
};
/**
* initializes the ticker process
*/
var initticker = function() {
var startposition = 0,
position, transform, value, idx, ratio, property, newspeed, totaldimens;
// 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'));
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) {
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);
});
// calculate the speed ratio (used to determine the new speed to finish the paused animation)
ratio = slider.settings.speed / totaldimens;
// determine which property to use
property = slider.settings.mode === 'horizontal' ? 'left' : 'top';
// calculate the new speed
newspeed = ratio * (totaldimens - (math.abs(parseint(value))));
tickerloop(newspeed);
});
} else {
// on el hover
slider.viewport.hover(function() {
el.stop();
}, function() {
// calculate the total width of children (used to calculate the speed ratio)
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)
ratio = slider.settings.speed / totaldimens;
// determine which property to use
property = slider.settings.mode === 'horizontal' ? 'left' : 'top';
// calculate the new speed
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) {
var speed = resumespeed ? resumespeed : slider.settings.speed,
position = {left: 0, top: 0},
reset = {left: 0, top: 0},
animateproperty, resetvalue, params;
// 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();
}
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);
};
/**
* check if el is on screen
*/
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));
};
/**
* initializes keyboard events
*/
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;
}
}
};
/**
* 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 mspointerdown pointerdown', ontouchstart);
//for browsers that have implemented pointer events and fire a click after
//every pointerup regardless of whether pointerup is on same screen location as pointerdown or not
slider.viewport.on('click', '.bxslider a', function(e) {
if (slider.viewport.hasclass('click-disabled')) {
e.preventdefault();
slider.viewport.removeclass('click-disabled');
}
});
};
/**
* event handler for "touchstart"
*
* @param e (event)
* - dom event object
*/
var ontouchstart = function(e) {
//disable slider controls while user is interacting with slides to avoid slider freeze that happens on touch devices when a slide swipe happens immediately after interacting with slider controls
slider.controls.el.addclass('disabled');
if (slider.working) {
e.preventdefault();
slider.controls.el.removeclass('disabled');
} else {
// record the original position when touch starts
slider.touch.originalpos = el.position();
var orig = e.originalevent,
touchpoints = (typeof orig.changedtouches !== 'undefined') ? orig.changedtouches : [orig];
var chromepointerevents = typeof pointerevent === 'function';
if (chromepointerevents) {
if(orig.pointerid === undefined){
return;
}
}
// record the starting touch x, y coordinates
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);
}
// bind a "touchmove" event to the viewport
slider.viewport.bind('touchmove mspointermove pointermove', ontouchmove);
// bind a "touchend" event to the viewport
slider.viewport.bind('touchend mspointerup pointerup', ontouchend);
slider.viewport.bind('mspointercancel pointercancel', onpointercancel);
}
};
/**
* cancel pointer for windows phone
*
* @param e (event)
* - dom event object
*/
var onpointercancel = function(e) {
/* onpointercancel handler is needed to deal with situations when a touchend
doesn't fire after a touchstart (this happens on windows phones only) */
setpositionproperty(slider.touch.originalpos.left, 'reset', 0);
//remove handlers
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);
}
};
/**
* event handler for "touchmove"
*
* @param e (event)
* - dom event object
*/
var ontouchmove = function(e) {
var orig = e.originalevent,
touchpoints = (typeof orig.changedtouches !== 'undefined') ? orig.changedtouches : [orig],
// if scrolling on y axis, do not prevent default
xmovement = math.abs(touchpoints[0].pagex - slider.touch.start.x),
ymovement = math.abs(touchpoints[0].pagey - slider.touch.start.y),
value = 0,
change = 0;
// 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) {
// if horizontal, drag along x axis
if (slider.settings.mode === 'horizontal') {
change = touchpoints[0].pagex - slider.touch.start.x;
value = slider.touch.originalpos.left + change;
// if vertical, drag along y axis
} else {
change = touchpoints[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 mspointermove pointermove', ontouchmove);
//enable slider controls as soon as user stops interacing with slides
slider.controls.el.removeclass('disabled');
var orig = e.originalevent,
touchpoints = (typeof orig.changedtouches !== 'undefined') ? orig.changedtouches : [orig],
value = 0,
distance = 0;
// record end x, y positions
slider.touch.end.x = touchpoints[0].pagex;
slider.touch.end.y = touchpoints[0].pagey;
// if fade mode, check if absolute x distance clears the threshold
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();
}
// not fade mode
} else {
// 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) {
if (distance < 0) {
el.gotonextslide();
} else {
el.gotoprevslide();
}
el.stopauto();
} else {
// el.animate(property, 200);
setpositionproperty(value, 'reset', 200);
}
}
}
slider.viewport.unbind('touchend mspointerup pointerup', ontouchend);
if (slider.viewport.get(0).releasepointercapture) {
slider.viewport.get(0).releasepointercapture(slider.pointerid);
}
};
/**
* window resize event callback
*/
var resizewindow = function(e) {
// don't do anything if slider isn't initialized.
if (!slider.initialized) { return; }
// delay if slider working.
if (slider.working) {
window.settimeout(resizewindow, 10);
} else {
// get the new window dimens (again, thank you ie)
var windowwidthnew = $(window).width(),
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);
}
}
};
/**
* adds an aria-hidden=true attribute to each element
*
* @param startvisibleindex (int)
* - the first visible element's index
*/
var applyariahiddenattributes = function(startvisibleindex) {
var numberofslidesshowing = getnumberslidesshowing();
// only apply attributes if the setting is enabled and not in ticker mode
if (slider.settings.ariahidden && !slider.settings.ticker) {
// add aria-hidden=true to all elements
slider.children.attr('aria-hidden', 'true');
// get the visible elements and change to aria-hidden=false
slider.children.slice(startvisibleindex, startvisibleindex + numberofslidesshowing).attr('aria-hidden', 'false');
}
};
/**
* returns index according to present page range
*
* @param slideondex (int)
* - the desired slide index
*/
var setslideindex = function(slideindex) {
if (slideindex < 0) {
if (slider.settings.infiniteloop) {
return getpagerqty() - 1;
}else {
//we don't go to undefined slides
return slider.active.index;
}
// if slideindex is greater than children length, set active index to 0 (this happens during infinite loop)
} else if (slideindex >= getpagerqty()) {
if (slider.settings.infiniteloop) {
return 0;
} else {
//we don't move to undefined pages
return slider.active.index;
}
// set active index to requested slide
} else {
return slideindex;
}
};
/**
* ===================================================================================
* = 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) {
// onslidebefore, onslidenext, onslideprev callbacks
// allow transition canceling based on returned value
var performtransition = true,
moveby = 0,
position = {left: 0, top: 0},
lastchild = null,
lastshowingindex, eq, value, requestel;
// store the old index
slider.oldindex = slider.active.index;
//set new index
slider.active.index = setslideindex(slideindex);
// if plugin is currently in motion, ignore request
if (slider.working || slider.active.index === slider.oldindex) { return; }
// declare that plugin is in motion
slider.working = true;
performtransition = slider.settings.onslidebefore.call(el, slider.children.eq(slider.active.index), slider.oldindex, slider.active.index);
// if transitions canceled, reset and return
if (typeof (performtransition) !== 'undefined' && !performtransition) {
slider.active.index = slider.oldindex; // restore old index
slider.working = false; // is not in motion
return;
}
if (direction === 'next') {
// prevent canceling in future functions or lack there-of from negating previous commands to cancel
if (!slider.settings.onslidenext.call(el, slider.children.eq(slider.active.index), slider.oldindex, slider.active.index)) {
performtransition = false;
}
} else if (direction === 'prev') {
// prevent canceling in future functions or lack there-of from negating previous commands to cancel
if (!slider.settings.onslideprev.call(el, slider.children.eq(slider.active.index), slider.oldindex, slider.active.index)) {
performtransition = false;
}
}
// check if last slide
slider.active.last = slider.active.index >= getpagerqty() - 1;
// update the pager with active class
if (slider.settings.pager || slider.settings.pagercustom) { 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);
}
// 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
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
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
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();
// 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) {
//parseint is applied to allow floats for slides/page
requestel = slideindex * parseint(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 (typeof (position) !== 'undefined') {
value = slider.settings.mode === 'horizontal' ? -(position.left - moveby) : -position.top;
// plugin values to be animated
setpositionproperty(value, 'slide', slider.settings.speed);
} else {
slider.working = false;
}
}
if (slider.settings.ariahidden) { applyariahiddenattributes(slider.active.index * getmoveby()); }
};
/**
* 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() {
if (slider.settings.autodirection === 'next') {
el.gotonextslide();
} else {
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 a slide element
* @param index (int)
* - the index (zero-based) of the element you want returned.
*/
el.getslideelement = function(index) {
return slider.children.eq(index);
};
/**
* returns number of slides in show
*/
el.getslidecount = function() {
return slider.children.length;
};
/**
* return slider.working variable
*/
el.isworking = function() {
return slider.working;
};
/**
* update all dynamic slider elements
*/
el.redrawslider = function() {
// resize all children in ratio to new screen size
slider.children.add(el.find('.bx-clone')).outerwidth(getslidewidth());
// adjust the height
slider.viewport.css('height', getviewportheight());
// update the slide position
if (!slider.settings.ticker) { setslideposition(); }
// if active.last was true before the screen resize, we want
// to keep it last no matter what screen size we end on
if (slider.active.last) { slider.active.index = getpagerqty() - 1; }
// if the active index (page) no longer exists due to the resize, simply set the index as last
if (slider.active.index >= getpagerqty()) { slider.active.last = true; }
// if a pager is being displayed and a custom pager is not being used, update it
if (slider.settings.pager && !slider.settings.pagercustom) {
populatepager();
updatepageractive(slider.active.index);
}
if (slider.settings.ariahidden) { applyariahiddenattributes(slider.active.index * getmoveby()); }
};
/**
* 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;
$('.bx-clone', this).remove();
slider.children.each(function() {
if ($(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); }
//remove self reference in data
$(this).removedata('bxslider');
};
/**
* reload the slider (revert all dom changes, and re-initialize)
*/
el.reloadslider = function(settings) {
if (settings !== undefined) { options = settings; }
el.destroyslider();
init();
//store reference to self in order to access public functions later
$(el).data('bxslider', this);
};
init();
$(el).data('bxslider', this);
// returns the current jquery object
return this;
};
})(jquery);