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/*! UIkit 2.27.5 | http://www.getuikit.com | (c) 2014 YOOtheme | MIT License */
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(function(addon) {
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var component;
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if (window.UIkit2) {
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component = addon(UIkit2);
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}
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if (typeof define == 'function' && define.amd) {
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define('uikit-slider', ['uikit'], function(){
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return component || addon(UIkit2);
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});
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}
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})(function(UI){
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"use strict";
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var dragging, delayIdle, anchor, dragged, store = {};
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UI.component('slider', {
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defaults: {
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center : false,
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threshold : 10,
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infinite : true,
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autoplay : false,
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autoplayInterval : 7000,
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pauseOnHover : true,
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activecls : 'uk-active'
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},
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boot: function() {
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// init code
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UI.ready(function(context) {
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setTimeout(function(){
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UI.$('[data-uk-slider]', context).each(function(){
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var ele = UI.$(this);
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if (!ele.data('slider')) {
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UI.slider(ele, UI.Utils.options(ele.attr('data-uk-slider')));
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}
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});
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}, 0);
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});
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},
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init: function() {
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var $this = this;
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this.container = this.element.find('.uk-slider');
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this.focus = 0;
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UI.$win.on('resize load', UI.Utils.debounce(function() {
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$this.update(true);
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}, 100));
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this.on('click.uk.slider', '[data-uk-slider-item]', function(e) {
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e.preventDefault();
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var item = UI.$(this).attr('data-uk-slider-item');
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if ($this.focus == item) return;
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// stop autoplay
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$this.stop();
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switch(item) {
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case 'next':
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case 'previous':
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$this[item=='next' ? 'next':'previous']();
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break;
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default:
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$this.updateFocus(parseInt(item, 10));
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}
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});
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this.container.on({
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'touchstart mousedown': function(evt) {
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if (evt.originalEvent && evt.originalEvent.touches) {
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evt = evt.originalEvent.touches[0];
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}
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// ignore right click button
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if (evt.button && evt.button==2 || !$this.active) {
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return;
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}
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// stop autoplay
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$this.stop();
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anchor = UI.$(evt.target).is('a') ? UI.$(evt.target) : UI.$(evt.target).parents('a:first');
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dragged = false;
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if (anchor.length) {
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anchor.one('click', function(e){
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if (dragged) e.preventDefault();
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});
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}
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delayIdle = function(e) {
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dragged = true;
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dragging = $this;
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store = {
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touchx : parseInt(e.pageX, 10),
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dir : 1,
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focus : $this.focus,
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base : $this.options.center ? 'center':'area'
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};
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if (e.originalEvent && e.originalEvent.touches) {
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e = e.originalEvent.touches[0];
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}
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dragging.element.data({
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'pointer-start': {x: parseInt(e.pageX, 10), y: parseInt(e.pageY, 10)},
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'pointer-pos-start': $this.pos
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});
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$this.container.addClass('uk-drag');
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delayIdle = false;
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};
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delayIdle.x = parseInt(evt.pageX, 10);
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delayIdle.threshold = $this.options.threshold;
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},
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mouseenter: function() { if ($this.options.pauseOnHover) $this.hovering = true; },
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mouseleave: function() { $this.hovering = false; }
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});
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this.update(true);
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this.on('display.uk.check', function(){
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if ($this.element.is(":visible")) {
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$this.update(true);
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}
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});
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// prevent dragging links + images
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this.element.find('a,img').attr('draggable', 'false');
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// Set autoplay
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if (this.options.autoplay) {
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this.start();
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}
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UI.domObserve(this.element, function(e) {
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if ($this.element.children(':not([data-slider-slide])').length) {
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$this.update(true);
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}
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});
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},
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update: function(focus) {
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var $this = this, pos = 0, maxheight = 0, item, width, cwidth, size;
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this.items = this.container.children().filter(':visible');
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this.vp = this.element[0].getBoundingClientRect().width;
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this.container.css({'min-width': '', 'min-height': ''});
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this.items.each(function(idx){
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item = UI.$(this).attr('data-slider-slide', idx);
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size = item.css({'left': '', 'width':''})[0].getBoundingClientRect();
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width = size.width;
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cwidth = item.width();
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maxheight = Math.max(maxheight, size.height);
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item.css({'left': pos, 'width':width}).data({'idx':idx, 'left': pos, 'width': width, 'cwidth':cwidth, 'area': (pos+width), 'center':(pos - ($this.vp/2 - cwidth/2))});
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pos += width;
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});
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this.container.css({'min-width': pos, 'min-height': maxheight});
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if (this.options.infinite && (pos <= (2*this.vp) || this.items.length < 5) && !this.itemsResized) {
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// fill with cloned items
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this.container.children().each(function(idx){
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$this.container.append($this.items.eq(idx).clone(true).attr('id', ''));
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}).each(function(idx){
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$this.container.append($this.items.eq(idx).clone(true).attr('id', ''));
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});
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this.itemsResized = true;
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return this.update();
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}
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this.cw = pos;
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this.pos = 0;
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this.active = pos >= this.vp;
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this.container.css({
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'-ms-transform': '',
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'-webkit-transform': '',
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'transform': ''
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});
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if (focus) this.updateFocus(this.focus);
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},
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updatePos: function(pos) {
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this.pos = pos;
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this.container.css({
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'-ms-transform': 'translateX('+pos+'px)',
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'-webkit-transform': 'translateX('+pos+'px)',
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'transform': 'translateX('+pos+'px)'
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});
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},
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updateFocus: function(idx, dir) {
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if (!this.active) {
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return;
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}
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dir = dir || (idx > this.focus ? 1:-1);
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var item = this.items.eq(idx), area, i;
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if (this.options.infinite) {
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this.infinite(idx, dir);
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}
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if (this.options.center) {
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this.updatePos(item.data('center')*-1);
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this.items.filter('.'+this.options.activecls).removeClass(this.options.activecls);
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item.addClass(this.options.activecls);
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} else {
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if (this.options.infinite) {
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this.updatePos(item.data('left')*-1);
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} else {
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area = 0;
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for (i=idx;i<this.items.length;i++) {
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area += this.items.eq(i).data('width');
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}
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if (area > this.vp) {
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this.updatePos(item.data('left')*-1);
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} else {
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if (dir == 1) {
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area = 0;
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for (i=this.items.length-1;i>=0;i--) {
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area += this.items.eq(i).data('width');
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if (area == this.vp) {
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idx = i;
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break;
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}
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if (area > this.vp) {
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idx = (i < this.items.length-1) ? i+1 : i;
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break;
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}
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}
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if (area > this.vp) {
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this.updatePos((this.container.width() - this.vp) * -1);
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} else {
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this.updatePos(this.items.eq(idx).data('left')*-1);
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}
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}
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}
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}
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}
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// mark elements
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var left = this.items.eq(idx).data('left');
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this.items.removeClass('uk-slide-before uk-slide-after').each(function(i){
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if (i!==idx) {
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UI.$(this).addClass(UI.$(this).data('left') < left ? 'uk-slide-before':'uk-slide-after');
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}
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});
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this.focus = idx;
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this.trigger('focusitem.uk.slider', [idx,this.items.eq(idx),this]);
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},
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next: function() {
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var focus = this.items[this.focus + 1] ? (this.focus + 1) : (this.options.infinite ? 0:this.focus);
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this.updateFocus(focus, 1);
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},
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previous: function() {
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var focus = this.items[this.focus - 1] ? (this.focus - 1) : (this.options.infinite ? (this.items[this.focus - 1] ? this.items-1:this.items.length-1):this.focus);
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this.updateFocus(focus, -1);
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},
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start: function() {
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this.stop();
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var $this = this;
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this.interval = setInterval(function() {
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if (!$this.hovering) $this.next();
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}, this.options.autoplayInterval);
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},
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stop: function() {
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if (this.interval) clearInterval(this.interval);
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},
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infinite: function(baseidx, direction) {
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var $this = this, item = this.items.eq(baseidx), i, z = baseidx, move = [], area = 0;
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if (direction == 1) {
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for (i=0;i<this.items.length;i++) {
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if (z != baseidx) {
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area += this.items.eq(z).data('width');
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move.push(this.items.eq(z));
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}
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if (area > this.vp) {
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break;
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}
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z = z+1 == this.items.length ? 0:z+1;
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}
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if (move.length) {
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move.forEach(function(itm){
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var left = item.data('area');
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itm.css({'left': left}).data({
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left : left,
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area : (left+itm.data('width')),
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center: (left - ($this.vp/2 - itm.data('cwidth')/2))
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});
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item = itm;
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});
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}
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} else {
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for (i=this.items.length-1;i >-1 ;i--) {
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area += this.items.eq(z).data('width');
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if (z != baseidx) {
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move.push(this.items.eq(z));
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}
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if (area > this.vp) {
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break;
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}
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z = z-1 == -1 ? this.items.length-1:z-1;
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}
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if (move.length) {
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move.forEach(function(itm){
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var left = item.data('left') - itm.data('width');
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itm.css({'left': left}).data({
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left : left,
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area : (left+itm.data('width')),
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center: (left - ($this.vp/2 - itm.data('cwidth')/2))
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});
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item = itm;
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});
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}
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}
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}
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});
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// handle dragging
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420
|
UI.$doc.on('mousemove.uk.slider touchmove.uk.slider', function(e) {
|
|
421
|
|
|
422
|
if (e.originalEvent && e.originalEvent.touches) {
|
|
423
|
e = e.originalEvent.touches[0];
|
|
424
|
}
|
|
425
|
|
|
426
|
if (delayIdle && Math.abs(e.pageX - delayIdle.x) > delayIdle.threshold) {
|
|
427
|
|
|
428
|
if (!window.getSelection().toString()) {
|
|
429
|
delayIdle(e);
|
|
430
|
} else {
|
|
431
|
dragging = delayIdle = false;
|
|
432
|
}
|
|
433
|
}
|
|
434
|
|
|
435
|
if (!dragging) {
|
|
436
|
return;
|
|
437
|
}
|
|
438
|
|
|
439
|
var x, xDiff, pos, dir, focus, item, next, diff, i, z, itm;
|
|
440
|
|
|
441
|
if (e.clientX || e.clientY) {
|
|
442
|
x = e.clientX;
|
|
443
|
} else if (e.pageX || e.pageY) {
|
|
444
|
x = e.pageX - document.body.scrollLeft - document.documentElement.scrollLeft;
|
|
445
|
}
|
|
446
|
|
|
447
|
focus = store.focus;
|
|
448
|
xDiff = x - dragging.element.data('pointer-start').x;
|
|
449
|
pos = dragging.element.data('pointer-pos-start') + xDiff;
|
|
450
|
dir = x > dragging.element.data('pointer-start').x ? -1:1;
|
|
451
|
item = dragging.items.eq(store.focus);
|
|
452
|
|
|
453
|
if (dir == 1) {
|
|
454
|
|
|
455
|
diff = item.data('left') + Math.abs(xDiff);
|
|
456
|
|
|
457
|
for (i=0,z=store.focus;i<dragging.items.length;i++) {
|
|
458
|
|
|
459
|
itm = dragging.items.eq(z);
|
|
460
|
|
|
461
|
if (z != store.focus && itm.data('left') < diff && itm.data('area') > diff) {
|
|
462
|
focus = z;
|
|
463
|
break;
|
|
464
|
}
|
|
465
|
|
|
466
|
z = z+1 == dragging.items.length ? 0:z+1;
|
|
467
|
}
|
|
468
|
|
|
469
|
} else {
|
|
470
|
|
|
471
|
diff = item.data('left') - Math.abs(xDiff);
|
|
472
|
|
|
473
|
for (i=0,z=store.focus;i<dragging.items.length;i++) {
|
|
474
|
|
|
475
|
itm = dragging.items.eq(z);
|
|
476
|
|
|
477
|
if (z != store.focus && itm.data('area') <= item.data('left') && itm.data('center') < diff) {
|
|
478
|
focus = z;
|
|
479
|
break;
|
|
480
|
}
|
|
481
|
|
|
482
|
z = z-1 == -1 ? dragging.items.length-1:z-1;
|
|
483
|
}
|
|
484
|
}
|
|
485
|
|
|
486
|
if (dragging.options.infinite && focus!=store._focus) {
|
|
487
|
dragging.infinite(focus, dir);
|
|
488
|
}
|
|
489
|
|
|
490
|
dragging.updatePos(pos);
|
|
491
|
|
|
492
|
store.dir = dir;
|
|
493
|
store._focus = focus;
|
|
494
|
store.touchx = parseInt(e.pageX, 10);
|
|
495
|
store.diff = diff;
|
|
496
|
});
|
|
497
|
|
|
498
|
UI.$doc.on('mouseup.uk.slider touchend.uk.slider', function(e) {
|
|
499
|
|
|
500
|
if (dragging) {
|
|
501
|
|
|
502
|
dragging.container.removeClass('uk-drag');
|
|
503
|
|
|
504
|
// TODO is this needed?
|
|
505
|
dragging.items.eq(store.focus);
|
|
506
|
|
|
507
|
var itm, focus = false, i, z;
|
|
508
|
|
|
509
|
if (store.dir == 1) {
|
|
510
|
|
|
511
|
for (i=0,z=store.focus;i<dragging.items.length;i++) {
|
|
512
|
|
|
513
|
itm = dragging.items.eq(z);
|
|
514
|
|
|
515
|
if (z != store.focus && itm.data('left') > store.diff) {
|
|
516
|
focus = z;
|
|
517
|
break;
|
|
518
|
}
|
|
519
|
|
|
520
|
z = z+1 == dragging.items.length ? 0:z+1;
|
|
521
|
}
|
|
522
|
if (!dragging.options.infinite && !focus) {
|
|
523
|
focus = dragging.items.length;
|
|
524
|
}
|
|
525
|
|
|
526
|
} else {
|
|
527
|
|
|
528
|
for (i=0,z=store.focus;i<dragging.items.length;i++) {
|
|
529
|
|
|
530
|
itm = dragging.items.eq(z);
|
|
531
|
|
|
532
|
if (z != store.focus && itm.data('left') < store.diff) {
|
|
533
|
focus = z;
|
|
534
|
break;
|
|
535
|
}
|
|
536
|
|
|
537
|
z = z-1 == -1 ? dragging.items.length-1:z-1;
|
|
538
|
}
|
|
539
|
if (!dragging.options.infinite && !focus) {
|
|
540
|
focus = 0
|
|
541
|
}
|
|
542
|
}
|
|
543
|
|
|
544
|
dragging.updateFocus(focus!==false ? focus:store._focus);
|
|
545
|
|
|
546
|
}
|
|
547
|
|
|
548
|
dragging = delayIdle = false;
|
|
549
|
});
|
|
550
|
|
|
551
|
return UI.slider;
|
|
552
|
});
|