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/*! UIkit 2.27.5 | http://www.getuikit.com | (c) 2014 YOOtheme | MIT License */
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(function(UI) {
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"use strict";
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var Animations;
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UI.component('switcher', {
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defaults: {
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connect : false,
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toggle : '>*',
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active : 0,
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animation : false,
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duration : 200,
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swiping : true
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},
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animating: false,
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boot: function() {
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// init code
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UI.ready(function(context) {
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UI.$('[data-uk-switcher]', context).each(function() {
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var switcher = UI.$(this);
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if (!switcher.data('switcher')) {
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var obj = UI.switcher(switcher, UI.Utils.options(switcher.attr('data-uk-switcher')));
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}
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});
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});
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},
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init: function() {
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var $this = this;
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this.on('click.uk.switcher', this.options.toggle, function(e) {
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e.preventDefault();
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$this.show(this);
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});
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if (!this.options.connect) {
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return;
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}
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this.connect = UI.$(this.options.connect);
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if (!this.connect.length) {
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return;
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}
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this.connect.on('click.uk.switcher', '[data-uk-switcher-item]', function(e) {
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e.preventDefault();
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var item = UI.$(this).attr('data-uk-switcher-item');
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if ($this.index == item) return;
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switch(item) {
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case 'next':
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case 'previous':
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$this.show($this.index + (item=='next' ? 1:-1));
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break;
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default:
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$this.show(parseInt(item, 10));
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}
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});
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if (this.options.swiping) {
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this.connect.on('swipeRight swipeLeft', function(e) {
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e.preventDefault();
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if (!window.getSelection().toString()) {
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$this.show($this.index + (e.type == 'swipeLeft' ? 1 : -1));
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}
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});
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}
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this.update();
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},
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update: function() {
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this.connect.children().removeClass('uk-active').attr('aria-hidden', 'true');
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var toggles = this.find(this.options.toggle),
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active = toggles.filter('.uk-active');
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if (active.length) {
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this.show(active, false);
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} else {
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if (this.options.active===false) return;
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active = toggles.eq(this.options.active);
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this.show(active.length ? active : toggles.eq(0), false);
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}
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// Init ARIA for toggles
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toggles.not(active).attr('aria-expanded', 'false');
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active.attr('aria-expanded', 'true');
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},
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show: function(tab, animate) {
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if (this.animating) {
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return;
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}
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var toggles = this.find(this.options.toggle);
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if (isNaN(tab)) {
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tab = UI.$(tab);
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} else {
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tab = tab < 0 ? toggles.length-1 : tab;
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tab = toggles.eq(toggles[tab] ? tab : 0);
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}
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var $this = this,
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active = UI.$(tab),
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animation = Animations[this.options.animation] || function(current, next) {
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if (!$this.options.animation) {
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return Animations.none.apply($this);
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}
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var anim = $this.options.animation.split(',');
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if (anim.length == 1) {
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anim[1] = anim[0];
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}
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anim[0] = anim[0].trim();
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anim[1] = anim[1].trim();
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return coreAnimation.apply($this, [anim, current, next]);
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};
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if (animate===false || !UI.support.animation) {
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animation = Animations.none;
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}
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if (active.hasClass("uk-disabled")) return;
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// Update ARIA for Toggles
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toggles.attr('aria-expanded', 'false');
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active.attr('aria-expanded', 'true');
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toggles.filter(".uk-active").removeClass("uk-active");
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active.addClass("uk-active");
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if (this.options.connect && this.connect.length) {
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this.index = this.find(this.options.toggle).index(active);
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if (this.index == -1 ) {
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this.index = 0;
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}
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this.connect.each(function() {
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var container = UI.$(this),
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children = UI.$(container.children()),
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current = UI.$(children.filter('.uk-active')),
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next = UI.$(children.eq($this.index));
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$this.animating = true;
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animation.apply($this, [current, next]).then(function(){
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current.removeClass("uk-active");
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next.addClass("uk-active");
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// Update ARIA for connect
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current.attr('aria-hidden', 'true');
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next.attr('aria-hidden', 'false');
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UI.Utils.checkDisplay(next, true);
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$this.animating = false;
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});
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});
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}
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this.trigger("show.uk.switcher", [active]);
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}
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});
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Animations = {
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'none': function() {
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var d = UI.$.Deferred();
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d.resolve();
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return d.promise();
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},
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'fade': function(current, next) {
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return coreAnimation.apply(this, ['uk-animation-fade', current, next]);
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},
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'slide-bottom': function(current, next) {
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return coreAnimation.apply(this, ['uk-animation-slide-bottom', current, next]);
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},
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'slide-top': function(current, next) {
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return coreAnimation.apply(this, ['uk-animation-slide-top', current, next]);
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},
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'slide-vertical': function(current, next, dir) {
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var anim = ['uk-animation-slide-top', 'uk-animation-slide-bottom'];
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if (current && current.index() > next.index()) {
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anim.reverse();
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}
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return coreAnimation.apply(this, [anim, current, next]);
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},
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'slide-left': function(current, next) {
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return coreAnimation.apply(this, ['uk-animation-slide-left', current, next]);
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},
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'slide-right': function(current, next) {
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return coreAnimation.apply(this, ['uk-animation-slide-right', current, next]);
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},
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'slide-horizontal': function(current, next, dir) {
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var anim = ['uk-animation-slide-right', 'uk-animation-slide-left'];
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if (current && current.index() > next.index()) {
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anim.reverse();
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}
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return coreAnimation.apply(this, [anim, current, next]);
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},
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'scale': function(current, next) {
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return coreAnimation.apply(this, ['uk-animation-scale-up', current, next]);
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}
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};
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UI.switcher.animations = Animations;
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// helpers
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function coreAnimation(cls, current, next) {
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var d = UI.$.Deferred(), clsIn = cls, clsOut = cls, release;
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if (next[0]===current[0]) {
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d.resolve();
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return d.promise();
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}
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if (typeof(cls) == 'object') {
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clsIn = cls[0];
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clsOut = cls[1] || cls[0];
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}
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UI.$body.css('overflow-x', 'hidden'); // fix scroll jumping in iOS
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release = function() {
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if (current) current.hide().removeClass('uk-active '+clsOut+' uk-animation-reverse');
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next.addClass(clsIn).one(UI.support.animation.end, function() {
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setTimeout(function () {
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next.removeClass(''+clsIn+'').css({opacity:'', display:''});
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}, 0);
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d.resolve();
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UI.$body.css('overflow-x', '');
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if (current) current.css({opacity:'', display:''});
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}.bind(this)).show();
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};
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next.css('animation-duration', this.options.duration+'ms');
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if (current && current.length) {
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current.css('animation-duration', this.options.duration+'ms');
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current.css('display', 'none').addClass(clsOut+' uk-animation-reverse').one(UI.support.animation.end, function() {
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release();
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}.bind(this)).css('display', '');
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} else {
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next.addClass('uk-active');
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release();
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}
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return d.promise();
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}
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})(UIkit2);
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