/**
* koslider - KOslider is a jQuery slider/carousel plugin that uses CSS3 transitions for its animation
* @version v0.5.0
* @link https://github.com/mrmartineau/KOslider
* @license MIT
*/
/**
* debounce
* @param {integer} milliseconds This param indicates the number of milliseconds
* to wait after the last call before calling the original function .
* @return {function} This returns a function that when called will wait the
* indicated number of milliseconds after the last call before
* calling the original function.
*/
Function.prototype.debounce = function (milliseconds) {
var baseFunction = this,
timer = null,
wait = milliseconds;
return function () {
var self = this,
args = arguments;
function complete() {
baseFunction.apply(self, args);
timer = null;
}
if (timer) {
clearTimeout(timer);
}
timer = setTimeout(complete, wait);
};
};
/**
* KOslider by @mrmartineau
*
* See https://github.com/mrmartineau/KOslider for documentation and demos
*/
(function($, f) {
var KOslider = function() {
// Object clone
var _ = this;
// Set some default options
_.options = {
keys : false,
dots : true,
dotsClick : false,
arrows : true,
sliderEl : '.KOslider',
slide : '.KOslider-slide',
uiPosition : 'before',
customPrevBtnClass : undefined,
customNextBtnClass : undefined,
debug : false,
setHeight : "auto",
autoplay : false,
autoplayInterval : 4000,
swipe : false,
itemWidth : undefined,
inactiveClass : 'KOslider--inactive',
activeClass : 'KOslider--active',
callbacks : {}
};
_.init = function(el, options) {
// Check whether we're passing any options in to KOslider
_.options = $.extend(_.options, options);
_.el = el; // .KOsliderContainer
_.slider = el.find(_.options.sliderEl);
_.slide = _.slider.find(_.options.slide);
if (_.options.debug) { console.log('KOslider ::\n\tOptions:\n\t\t', _.options); }
// If fewer than 2 children do not setup KOslider
if ( _.slide.length < 2) {
el.addClass(_.options.inactiveClass);
if (_.options.debug) { console.log('KOslider :: not enough elements to make a slider', options); }
return;
}
// el.addClass(_.options.activeClass);
// Cached vars
var options = _.options;
var slide = _.slide;
var len = slide.length;
// Set up some other vars
_.leftOffset = 0;
_.index = 0; // Current index
_.min = 0;
_.count = len - 1;
// Resize: Check and change sizes if needed
$(window).resize($.proxy(_.getWidth.debounce(500), this)).trigger('resize');
_.el.on('click', '.KOslider-UI-btn', function(event) {
event.preventDefault();
var fn = $(this).data('fn'); // Choose next or prev
_[fn]();
});
// Keypresses
if (options.keys) { _.keypresses(); }
// Clickable dots
if (options.dotsClick) { _.dotsClick(); }
// Autoplay
if (options.autoplay) { _.autoplay(); }
// Autoplay
if (options.swipe) { _.swipe(); }
return _;
};
$.fn.KOslider.destroy = function() {
_.slider.css('width', 'auto').data({KOslider: undefined, key: undefined});
_.slider.find('.KOslider-UI').remove();
_.slide.css('width', 'auto');
};
/**
* Go to slide
* @return {integer} Go to slide
* Value should be zero-indexed number for particular e.g. 0, 1, 2 etc
*/
_.goto = function(x) {
if (_.tooThin) {
_.leftOffset = 0;
_.reachedEnd = false;
} else if (_.leftOffset < _.max || -(x * _.itemWidth) < _.max) {
_.leftOffset = _.max;
_.reachedEnd = true;
if (_.options.debug) { console.log('KOslider :: reachedEnd = true'); }
} else {
_.leftOffset = -(x * _.itemWidth);
_.reachedEnd = false;
}
_.index = x;
_.setHeight(x);
_.slider.css('transform', 'translateX(' + _.leftOffset + 'px)');
if (_.options.debug) {
console.log('KOslider ::\n\t_.goto() :: \n\t\tx', x, '\n\t\tleftOffset:', _.leftOffset, '\n\t\tindex', _.index, '\n\t\titemWidth:', _.itemWidth, '\n\t\tmove amount:', _.leftOffset / _.index);
}
_.navState();
if (_.options.callbacks.onChange !== undefined) {
eval(_.options.callbacks.onChange);
}
};
/**
* Move to next item
*/
_.next = function() {
var moveTo;
if (_.index < _.count) {
moveTo = _.index + 1;
} else {
moveTo = _.count;
return;
}
_.goto(moveTo);
};
/**
* Move to previous item
*/
_.prev = function() {
var moveTo;
if (_.index > 0) {
moveTo = _.index - 1;
} else {
moveTo = 0;
return;
}
_.goto(moveTo);
};
/**
* Change nav state
*/
_.navState = function() {
var atStart;
var atEnd;
// Enable/Disable the prev btn
if (_.index === 0) {
atStart = true;
} else {
atStart = false;
}
// Enable/Disable the next btn.
if (_.index === _.count || _.reachedEnd) {
atEnd = true;
} else {
atEnd = false;
}
_.el.find('.KOslider-UI-btn--previous').prop('disabled', atStart);
_.el.find('.KOslider-UI-btn--next').prop('disabled', atEnd);
// Set first dot to be active
_.el.find('.KOslider-UI-dot').eq(_.index).addClass('is-active').siblings().removeClass('is-active');
};
/**
* Get size of .slider and then run _.setSizes()
*/
_.getWidth = function() {
_.itemWidth = parseInt(_.options.itemWidth) > 0 ? parseInt(_.options.itemWidth) : _.el.width();
_.setSize(_.itemWidth);
};
/**
* Set sizes for element
*/
_.setSize = function(itemWidth) {
var $containerWidth = _.el.width(); // Container width
var $sliderWidth = _.slide.length * itemWidth; // full width of slider with all items floated
_.max = Math.round(-($sliderWidth - $containerWidth));
_.leftOffset = -(itemWidth * _.index);
_.slider.css({
width : Math.round($sliderWidth),
transform: 'translateX(' + _.leftOffset + 'px)'
});
_.slide.css({ width: itemWidth });
_.setHeight(_.index);
// Create UI if there is enough space to do so
if ($sliderWidth > $containerWidth) {
// Create UI - Dots and next/prev buttons
if (_.el.find('.KOslider-UI').length === 0) {
_.createUI();
_.tooThin = false;
}
} else {
_.el.find('.KOslider-UI').remove();
_.tooThin = true;
if (_.leftOffset !== 0) {
_.leftOffset = 0;
_.goto(0);
}
}
if (_.options.debug) {
console.log('KOslider ::\n\t_.setSize() :: \n\t\t_.max:', _.max , '\n\t\t_.min:', _.min, '\n\t\tleftOffset:', _.leftOffset, '\n\t\tindex', _.index, '\n\t\titemWidth:', _.itemWidth, '\n\t\t_.slide.length', _.slide.length, '\n\t\t$sliderWidth', $sliderWidth);
}
};
/**
* Set height of
based on heightChange option
*/
_.setHeight = function(eq) {
if (_.options.setHeight == "auto") {
var newHeight = _.slide.eq(eq).height();
_.slider.height(newHeight);
} else if(_.options.setHeight == "equal") {
_.equalizeHeights();
}
};
/**
* Equalise Heights _.equalizeHeights()
*/
_.equalizeHeights = function() {
if (_.options.debug) { console.log('Equal true'); }
var highestBox = 0;
var $equaliseEl = _.options.equaliseEl;
_.slider.find($equaliseEl).each(function(){
$(this).removeAttr('style');
if( $(this).height() > highestBox ) {
highestBox = $(this).height();
}
});
_.slider.find($equaliseEl).css('height', highestBox);
if (_.options.debug) { console.log('KOslider ::\n\t_.equalizeHeights() :: \n\t\thighestBox:', highestBox); }
};
/**
* Create the UI
* Dots : will show if dots = true
* Arrows : will show if arrows = true
*/
_.createUI = function() {
html = '';
if (_.options.uiPosition == 'before') {
_.el.prepend(html);
} if (_.options.uiPosition == 'after') {
_.el.append(html);
}
_.el.find('.KOslider-UI-dot').eq(0).addClass('is-active');
};
/**
* If keys === true, use right and left keys to navigate between slides
*/
_.keypresses = function() {
$(document).keydown(function(e) {
var key = e.which;
if (key == 37){
_.prev(); // Left
} else if (key == 39){
_.next(); // Right
}
});
};
/**
* If dotsClick === true, allow the dots to be clicked
*/
_.dotsClick = function() {
_.el.on('click', '.KOslider-UI-dot', function(event) {
event.preventDefault();
var target = $(this).index();
if (_.options.debug) { console.log('target', target); }
_.goto(target);
});
};
/**
* If _.options.autoplay = true, slides will autplay
*/
_.autoplay = function() {
if (_.options.debug) { console.log('KOslider :: Autoplay KOslider. Are you sure you want this??'); }
function interval() {
var nextPos = _.index < _.count ? _.index + 1 : 0;
_.goto(nextPos);
}
var auto = window.setInterval(interval, _.options.autoplayInterval);
_.el.on({
mouseover: function() {
window.clearInterval(auto);
auto = null;
},
mouseout: function() {
auto = window.setInterval(interval, _.options.autoplayInterval);
}
});
};
/**
* Swipe slides
* If _.options.swipe = true, slides will be swipeable
*/
_.swipe = function() {
var _self = _.swipe;
var _initialised = false;
var _swipeStartPoint = null;
_self.swipeDistance = null;
_self.swipeMaxDrift = null;
/**
* Public method to destroy the swipe functionality
*/
function destroy() {
_.slide.off('touchstart', touchStartHandler);
_.slide.off('touchmove', touchMoveHandler);
$(window).off('touchend', touchEndHandler);
_initialised = false;
_swipeStartPoint = { x:0, y:0 };
_self.swipeDistance = null;
}
function touchStartHandler(event) {
_.slide.off('touchstart', touchStartHandler);
if (_.options.debug) { console.log('KOslider :: touchStartHandler event', event); }
var touch = event.originalEvent.changedTouches[0];
// store the start point of the touch.
_swipeStartPoint.x = touch.pageX !== undefined ? touch.pageX : touch.clientX;
_swipeStartPoint.y = touch.pageY !== undefined ? touch.pageY : touch.clientY;
_.slide.on('touchmove', touchMoveHandler);
$(window).on('touchend', touchEndHandler);
}
function touchMoveHandler(event) {
var touch = event.originalEvent.touches[0];
var posX = touch.pageX !== undefined ? touch.pageX : touch.clientX;
var posY = touch.pageY !== undefined ? touch.pageY : touch.clientY;
// stop processing the gesture if the swipe has drifted too much vertically.
if (Math.abs(_swipeStartPoint.y - posY) > _self.swipeMaxDrift) {
// remove event listeners to stop the potential for multiple swipes occuring.
reset();
// return to stop processing the swipe.
return;
}
// check if the swipe moved enough from its start point to be considered a gesture.
if (Math.abs(_swipeStartPoint.x - posX) >= _self.swipeDistance) {
if (_.options.debug) { console.debug ("KOslider :: swipe occurred. pixels swiped:", Math.abs(_swipeStartPoint.x - posX)); }
if (posX > _swipeStartPoint.x) {// right swipe occurred
_.prev();
} else { // left swipe occurred
_.next();
}
// remove event listeners to stop the potential for multiple swipes occuring.
reset();
}
}
function touchEndHandler () {
if (_.options.debug) { console.log('KOslider :: touchEndHandler event', event); }
// remove event listeners to stop the potential for multiple swipes occuring.
reset();
}
function reset() {
// return if the destroy method was called, rather than adding unwanted listeners.
if (!_initialised) {
return;
}
_.slide.off('touchmove', touchMoveHandler);
$(window).off('touchend', touchEndHandler);
_.slide.on('touchstart', touchStartHandler);
}
/**
* Initialise the swipe method
* @param {integer} swipeDistance The distance moved before a swipe is triggered
* @param {integer} swipeMaxDrift The vertical distance allowable before the swipe is cancelled
*/
function init(swipeDistance, swipeMaxDrift) {
if (_initialised) {
return;
}
_initialised = true;
_swipeStartPoint = { x:0, y:0 };
_self.swipeDistance = swipeDistance;
_self.swipeMaxDrift = swipeMaxDrift;
_.slide.on('touchstart', touchStartHandler);
}
// Initialise the swipe
init(100, 40);
};
};
// Create a jQuery plugin
$.fn.KOslider = function() {
var len = this.length;
// Enable multiple-slider support
return this.each(function(index) {
// Cache a copy of $(this), so it
var me = $(this),
key = 'KOslider' + (len > 1 ? '-' + ++index : ''),
options = me.data('koslider'),
instance = (new KOslider).init(me, options)
;
// Invoke an KOslider instance
me.data(key, instance).data('key', key);
});
};
$('[data-koslider]').KOslider();
KOslider.version = "0.5.0";
})(jQuery, false);
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// .KOsliderContainer\n\t\t\t_.slider  = el.find(_.options.sliderEl);\n\t\t\t_.slide   = _.slider.find(_.options.slide);\n\t\t\tif (_.options.debug) { console.log('KOslider ::\\n\\tOptions:\\n\\t\\t', _.options); }\n\n\t\t\t// If fewer than 2 children do not setup KOslider\n\t\t\tif ( _.slide.length < 2) {\n\t\t\t\tel.addClass(_.options.inactiveClass);\n\t\t\t\tif (_.options.debug) { console.log('KOslider :: not enough elements to make a slider', options); }\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// el.addClass(_.options.activeClass);\n\n\t\t\t//  Cached vars\n\t\t\tvar options = _.options;\n\t\t\tvar slide   = _.slide;\n\t\t\tvar len     = slide.length;\n\n\t\t\t// Set up some other vars\n\t\t\t_.leftOffset = 0;\n\t\t\t_.index      = 0; // Current index\n\t\t\t_.min        = 0;\n\t\t\t_.count      = len - 1;\n\n\t\t\t// Resize: Check and change sizes if needed\n\t\t\t$(window).resize($.proxy(_.getWidth.debounce(500), this)).trigger('resize');\n\n\t\t\t_.el.on('click', '.KOslider-UI-btn', function(event) {\n\t\t\t\tevent.preventDefault();\n\t\t\t\tvar fn = $(this).data('fn'); // Choose next or prev\n\t\t\t\t_[fn]();\n\t\t\t});\n\n\t\t\t//  Keypresses\n\t\t\tif (options.keys) { _.keypresses(); }\n\n\t\t\t// Clickable dots\n\t\t\tif (options.dotsClick) { _.dotsClick(); }\n\n\t\t\t// Autoplay\n\t\t\tif (options.autoplay) { _.autoplay(); }\n\n\t\t\t// Autoplay\n\t\t\tif (options.swipe) { _.swipe(); }\n\n\t\t\treturn _;\n\t\t};\n\n\n\t\t$.fn.KOslider.destroy = function() {\n\t\t\t_.slider.css('width', 'auto').data({KOslider: undefined, key: undefined});\n\t\t\t_.slider.find('.KOslider-UI').remove();\n\t\t\t_.slide.css('width', 'auto');\n\t\t};\n\n\n\t\t/**\n\t\t * Go to slide\n\t\t * @return {integer} Go to slide\n\t\t * Value should be zero-indexed number for particular e.g. 0, 1, 2 etc\n\t\t */\n\t\t_.goto = function(x) {\n\t\t\tif (_.tooThin) {\n\t\t\t\t_.leftOffset = 0;\n\t\t\t\t_.reachedEnd = false;\n\t\t\t} else if (_.leftOffset < _.max || -(x * _.itemWidth) < _.max) {\n\t\t\t\t_.leftOffset = _.max;\n\t\t\t\t_.reachedEnd = true;\n\t\t\t\tif (_.options.debug) { console.log('KOslider :: reachedEnd = true'); }\n\t\t\t} else {\n\t\t\t\t_.leftOffset = -(x * _.itemWidth);\n\t\t\t\t_.reachedEnd = false;\n\t\t\t}\n\n\t\t\t_.index = x;\n\n\t\t\t_.setHeight(x);\n\n\t\t\t_.slider.css('transform', 'translateX(' + _.leftOffset + 'px)');\n\n\t\t\tif (_.options.debug) {\n\t\t\t\tconsole.log('KOslider ::\\n\\t_.goto() :: \\n\\t\\tx', x, '\\n\\t\\tleftOffset:', _.leftOffset, '\\n\\t\\tindex', _.index, '\\n\\t\\titemWidth:', _.itemWidth, '\\n\\t\\tmove amount:', _.leftOffset / _.index);\n\t\t\t}\n\n\t\t\t_.navState();\n\n\t\t\tif (_.options.callbacks.onChange !== undefined) {\n\t\t\t\teval(_.options.callbacks.onChange);\n\t\t\t}\n\t\t};\n\n\t\t/**\n\t\t * Move to next item\n\t\t */\n\t\t_.next = function() {\n\t\t\tvar moveTo;\n\t\t\tif (_.index < _.count) {\n\t\t\t\tmoveTo = _.index + 1;\n\t\t\t} else {\n\t\t\t\tmoveTo = _.count;\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t_.goto(moveTo);\n\t\t};\n\n\t\t/**\n\t\t * Move to previous item\n\t\t */\n\t\t_.prev = function() {\n\t\t\tvar moveTo;\n\t\t\tif (_.index > 0) {\n\t\t\t\tmoveTo = _.index - 1;\n\t\t\t} else {\n\t\t\t\tmoveTo = 0;\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t_.goto(moveTo);\n\t\t};\n\n\n\t\t/**\n\t\t * Change nav state\n\t\t */\n\t\t_.navState = function() {\n\t\t\tvar atStart;\n\t\t\tvar atEnd;\n\n\t\t\t// Enable/Disable the prev btn\n\t\t\tif (_.index === 0) {\n\t\t\t\tatStart = true;\n\t\t\t} else {\n\t\t\t\tatStart = false;\n\t\t\t}\n\n\t\t\t// Enable/Disable the next btn.\n\t\t\tif (_.index === _.count || _.reachedEnd) {\n\t\t\t\tatEnd = true;\n\t\t\t} else {\n\t\t\t\tatEnd = false;\n\t\t\t}\n\n\t\t\t_.el.find('.KOslider-UI-btn--previous').prop('disabled', atStart);\n\t\t\t_.el.find('.KOslider-UI-btn--next').prop('disabled', atEnd);\n\n\t\t\t// Set first dot to be active\n\t\t\t_.el.find('.KOslider-UI-dot').eq(_.index).addClass('is-active').siblings().removeClass('is-active');\n\t\t};\n\n\t\t/**\n\t\t * Get size of .slider and then run _.setSizes()\n\t\t */\n\t\t_.getWidth = function() {\n\t\t\t_.itemWidth = parseInt(_.options.itemWidth) > 0 ? parseInt(_.options.itemWidth) : _.el.width();\n\t\t\t_.setSize(_.itemWidth);\n\t\t};\n\n\n\t\t/**\n\t\t * Set sizes for element\n\t\t */\n\t\t_.setSize = function(itemWidth) {\n\t\t\tvar $containerWidth = _.el.width();               // Container width\n\t\t\tvar $sliderWidth    = _.slide.length * itemWidth; // full width of slider with all items floated\n\t\t\t_.max               = Math.round(-($sliderWidth - $containerWidth));\n\t\t\t_.leftOffset        = -(itemWidth * _.index);\n\n\t\t\t_.slider.css({\n\t\t\t\twidth    : Math.round($sliderWidth),\n\t\t\t\ttransform: 'translateX(' + _.leftOffset + 'px)'\n\t\t\t});\n\t\t\t_.slide.css({ width: itemWidth });\n\n\t\t\t_.setHeight(_.index);\n\n\t\t\t// Create UI if there is enough space to do so\n\t\t\tif ($sliderWidth > $containerWidth) {\n\t\t\t\t// Create UI - Dots and next/prev buttons\n\t\t\t\tif (_.el.find('.KOslider-UI').length === 0) {\n\t\t\t\t\t_.createUI();\n\t\t\t\t\t_.tooThin = false;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\t_.el.find('.KOslider-UI').remove();\n\t\t\t\t_.tooThin = true;\n\t\t\t\tif (_.leftOffset !== 0) {\n\t\t\t\t\t_.leftOffset = 0;\n\t\t\t\t\t_.goto(0);\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif (_.options.debug) {\n\t\t\t\tconsole.log('KOslider ::\\n\\t_.setSize() :: \\n\\t\\t_.max:', _.max , '\\n\\t\\t_.min:', _.min, '\\n\\t\\tleftOffset:', _.leftOffset, '\\n\\t\\tindex', _.index, '\\n\\t\\titemWidth:', _.itemWidth, '\\n\\t\\t_.slide.length', _.slide.length, '\\n\\t\\t$sliderWidth', $sliderWidth);\n\t\t\t}\n\t\t};\n\n\n\t\t/**\n\t\t * Set height of <ul> based on heightChange option\n\t\t */\n\t\t_.setHeight = function(eq) {\n\t\t\t\tif (_.options.setHeight == \"auto\") {\n\t\t\t\t\tvar newHeight = _.slide.eq(eq).height();\n\t\t\t\t\t_.slider.height(newHeight);\n\t\t\t\t} else if(_.options.setHeight == \"equal\") {\n\t\t\t\t\t_.equalizeHeights();\n\t\t\t\t}\n\t\t};\n\n\n\t\t/**\n\t\t * Equalise Heights _.equalizeHeights()\n\t\t */\n\t\t_.equalizeHeights = function() {\n\t\t\tif (_.options.debug) { console.log('Equal true'); }\n\t\t\tvar highestBox = 0;\n\t\t\tvar $equaliseEl = _.options.equaliseEl;\n\n\t\t\t_.slider.find($equaliseEl).each(function(){\n\t\t\t\t$(this).removeAttr('style');\n\n\t\t\t\tif( $(this).height() > highestBox ) {\n\t\t\t\t\thighestBox = $(this).height();\n\t\t\t\t}\n\t\t\t});\n\t\t\t_.slider.find($equaliseEl).css('height', highestBox);\n\t\t\tif (_.options.debug) { console.log('KOslider ::\\n\\t_.equalizeHeights() :: \\n\\t\\thighestBox:', highestBox); }\n\t\t};\n\n\n\t\t/**\n\t\t * Create the UI\n\t\t * Dots : will show if dots = true\n\t\t * Arrows : will show if arrows = true\n\t\t */\n\t\t_.createUI = function() {\n\t\t\thtml = '<div class=\"KOslider-UI KOslider-UI--' + _.options.uiPosition + ' clearfix\"><div class=\"KOslider-UI-pagers\">';\n\n\t\t\tif (_.options.arrows) {\n\t\t\t\thtml += '<button class=\"KOslider-UI-btn KOslider-UI-btn--previous ' + _.options.customPrevBtnClass + '\" data-fn=\"prev\" disabled>Previous</button>';\n\t\t\t}\n\n\t\t\tif (_.options.dots) {\n\t\t\t\thtml += '<div class=\"KOslider-UI-dots\">';\n\t\t\t\t$.each(_.slide, function() {\n\t\t\t\t\thtml += '<span class=\"KOslider-UI-dot\"></span>';\n\t\t\t\t});\n\t\t\t\thtml += '</div>';\n\t\t\t}\n\n\t\t\tif (_.options.arrows) {\n\t\t\t\thtml += '<button class=\"KOslider-UI-btn KOslider-UI-btn--next ' + _.options.customNextBtnClass + '\" data-fn=\"next\">Next</button>';\n\t\t\t}\n\n\t\t\thtml += '</div></div>';\n\n\t\t\tif (_.options.uiPosition == 'before') {\n\t\t\t\t_.el.prepend(html);\n\t\t\t} if (_.options.uiPosition == 'after') {\n\t\t\t\t_.el.append(html);\n\t\t\t}\n\t\t\t_.el.find('.KOslider-UI-dot').eq(0).addClass('is-active');\n\t\t};\n\n\n\t\t/**\n\t\t * If keys === true, use right and left keys to navigate between slides\n\t\t */\n\t\t_.keypresses = function() {\n\t\t\t$(document).keydown(function(e) {\n\t\t\t\tvar key = e.which;\n\t\t\t\tif (key == 37){\n\t\t\t\t\t_.prev(); // Left\n\t\t\t\t} else if (key == 39){\n\t\t\t\t\t_.next(); // Right\n\t\t\t\t}\n\t\t\t});\n\t\t};\n\n\n\t\t/**\n\t\t * If dotsClick === true, allow the dots to be clicked\n\t\t */\n\t\t_.dotsClick = function() {\n\t\t\t_.el.on('click', '.KOslider-UI-dot', function(event) {\n\t\t\t\tevent.preventDefault();\n\t\t\t\tvar target = $(this).index();\n\t\t\t\tif (_.options.debug) { console.log('target', target); }\n\t\t\t\t_.goto(target);\n\t\t\t});\n\t\t};\n\n\t\t/**\n\t\t * If _.options.autoplay = true, slides will autplay\n\t\t */\n\t\t_.autoplay = function() {\n\t\t\tif (_.options.debug) { console.log('KOslider :: Autoplay KOslider. Are you sure you want this??'); }\n\n\t\t\tfunction interval() {\n\t\t\t\tvar nextPos = _.index < _.count ? _.index + 1 : 0;\n\t\t\t\t_.goto(nextPos);\n\t\t\t}\n\n\t\t\tvar auto = window.setInterval(interval, _.options.autoplayInterval);\n\n\t\t\t_.el.on({\n\t\t\t\tmouseover: function() {\n\t\t\t\t\twindow.clearInterval(auto);\n\t\t\t\t\tauto = null;\n\t\t\t\t},\n\t\t\t\tmouseout: function() {\n\t\t\t\t\tauto = window.setInterval(interval, _.options.autoplayInterval);\n\t\t\t\t}\n\t\t\t});\n\t\t};\n\n\n\t\t/**\n\t\t * Swipe slides\n\t\t * If _.options.swipe = true, slides will be swipeable\n\t\t */\n\t\t_.swipe = function() {\n\t\t\tvar _self                = _.swipe;\n\t\t\tvar _initialised         = false;\n\t\t\tvar _swipeStartPoint     = null;\n\n\t\t\t_self.swipeDistance      = null;\n\t\t\t_self.swipeMaxDrift      = null;\n\n\t\t\t/**\n\t\t\t * Public method to destroy the swipe functionality\n\t\t\t */\n\t\t\tfunction destroy() {\n\t\t\t\t_.slide.off('touchstart', touchStartHandler);\n\t\t\t\t_.slide.off('touchmove', touchMoveHandler);\n\t\t\t\t$(window).off('touchend', touchEndHandler);\n\n\t\t\t\t_initialised     = false;\n\t\t\t\t_swipeStartPoint = { x:0, y:0 };\n\t\t\t\t_self.swipeDistance      = null;\n\t\t\t}\n\n\t\t\tfunction touchStartHandler(event) {\n\t\t\t\t_.slide.off('touchstart', touchStartHandler);\n\t\t\t\tif (_.options.debug) { console.log('KOslider :: touchStartHandler event', event); }\n\t\t\t\tvar touch = event.originalEvent.changedTouches[0];\n\n\t\t\t\t// store the start point of the touch.\n\t\t\t\t_swipeStartPoint.x = touch.pageX !== undefined ? touch.pageX : touch.clientX;\n\t\t\t\t_swipeStartPoint.y = touch.pageY !== undefined ? touch.pageY : touch.clientY;\n\n\t\t\t\t_.slide.on('touchmove', touchMoveHandler);\n\t\t\t\t$(window).on('touchend', touchEndHandler);\n\t\t\t}\n\n\t\t\tfunction touchMoveHandler(event) {\n\t\t\t\tvar touch = event.originalEvent.touches[0];\n\t\t\t\tvar posX  = touch.pageX !== undefined ? touch.pageX : touch.clientX;\n\t\t\t\tvar posY  = touch.pageY !== undefined ? touch.pageY : touch.clientY;\n\n\t\t\t\t// stop processing the gesture if the swipe has drifted too much vertically.\n\t\t\t\tif (Math.abs(_swipeStartPoint.y - posY) > _self.swipeMaxDrift) {\n\t\t\t\t\t// remove event listeners to stop the potential for multiple swipes occuring.\n\t\t\t\t\treset();\n\n\t\t\t\t\t// return to stop processing the swipe.\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t\t// check if the swipe moved enough from its start point to be considered a gesture.\n\t\t\t\tif (Math.abs(_swipeStartPoint.x - posX) >= _self.swipeDistance) {\n\t\t\t\t\tif (_.options.debug) { console.debug (\"KOslider :: swipe occurred. pixels swiped:\", Math.abs(_swipeStartPoint.x - posX)); }\n\n\t\t\t\t\tif (posX > _swipeStartPoint.x) {// right swipe occurred\n\t\t\t\t\t\t_.prev();\n\t\t\t\t\t} else { // left swipe occurred\n\t\t\t\t\t\t_.next();\n\t\t\t\t\t}\n\n\t\t\t\t\t// remove event listeners to stop the potential for multiple swipes occuring.\n\t\t\t\t\treset();\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tfunction touchEndHandler () {\n\t\t\t\tif (_.options.debug) { console.log('KOslider :: touchEndHandler event', event); }\n\t\t\t\t// remove event listeners to stop the potential for multiple swipes occuring.\n\t\t\t\treset();\n\t\t\t}\n\n\t\t\tfunction reset() {\n\t\t\t\t// return if the destroy method was called, rather than adding unwanted listeners.\n\t\t\t\tif (!_initialised) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t\t_.slide.off('touchmove', touchMoveHandler);\n\t\t\t\t$(window).off('touchend', touchEndHandler);\n\t\t\t\t_.slide.on('touchstart', touchStartHandler);\n\t\t\t}\n\n\t\t\t/**\n\t\t\t * Initialise the swipe method\n\t\t\t * @param  {integer} swipeDistance The distance moved before a swipe is triggered\n\t\t\t * @param  {integer} swipeMaxDrift The vertical distance allowable before the swipe is cancelled\n\t\t\t */\n\t\t\tfunction init(swipeDistance, swipeMaxDrift) {\n\t\t\t\tif (_initialised) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\t_initialised     = true;\n\t\t\t\t_swipeStartPoint = { x:0, y:0 };\n\t\t\t\t_self.swipeDistance      = swipeDistance;\n\t\t\t\t_self.swipeMaxDrift      = swipeMaxDrift;\n\n\t\t\t\t_.slide.on('touchstart', touchStartHandler);\n\t\t\t}\n\n\t\t\t// Initialise the swipe\n\t\t\tinit(100, 40);\n\t\t};\n\t};\n\n\t//  Create a jQuery plugin\n\t$.fn.KOslider = function() {\n\t\tvar len = this.length;\n\n\t\t//  Enable multiple-slider support\n\t\treturn this.each(function(index) {\n\t\t\t//  Cache a copy of $(this), so it\n\t\t\tvar me       = $(this),\n\t\t\t\tkey      = 'KOslider' + (len > 1 ? '-' + ++index : ''),\n\t\t\t\toptions  = me.data('koslider'),\n\t\t\t\tinstance = (new KOslider).init(me, options)\n\t\t\t;\n\n\t\t\t//  Invoke an KOslider instance\n\t\t\tme.data(key, instance).data('key', key);\n\t\t});\n\t};\n\n\t$('[data-koslider]').KOslider();\n\n\tKOslider.version = \"0.5.0\";\n})(jQuery, false);\n"],"sourceRoot":"/source/"}