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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-grid', ['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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UI.component('grid', {
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defaults: {
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colwidth : 'auto',
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animation : true,
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duration : 300,
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gutter : 0,
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controls : false,
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filter : false,
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origin : UI.langdirection
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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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UI.$('[data-uk-grid]', context).each(function(){
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var ele = UI.$(this);
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if(!ele.data('grid')) {
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UI.grid(ele, UI.Utils.options(ele.attr('data-uk-grid')));
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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 $this = this, gutter = String(this.options.gutter).trim().split(' ');
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this.gutterv = parseInt(gutter[0], 10);
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this.gutterh = parseInt((gutter[1] || gutter[0]), 10);
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// make sure parent element has the right position property
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this.element.css({'position': 'relative'});
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this.controls = null;
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this.origin = this.options.origin;
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if (this.options.controls) {
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this.controls = UI.$(this.options.controls);
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// filter
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this.controls.on('click', '[data-uk-filter]', function(e){
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e.preventDefault();
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$this.filter(UI.$(this).attr('data-uk-filter'));
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});
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// sort
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this.controls.on('click', '[data-uk-sort]', function(e){
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e.preventDefault();
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var cmd = UI.$(this).attr('data-uk-sort').split(':');
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$this.sort(cmd[0], cmd[1]);
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});
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}
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UI.$win.on('load resize orientationchange', UI.Utils.debounce(function(){
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if ($this.currentfilter) {
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$this.filter($this.currentfilter);
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} else {
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this.update();
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}
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}.bind(this), 100));
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this.on('display.uk.check', function(){
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if ($this.element.is(':visible')) $this.update();
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});
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UI.domObserve(this.element, function(e) {
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$this.update();
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});
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if (this.options.filter !== false) {
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this.filter(this.options.filter);
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} else {
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this.update();
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}
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},
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_prepareElements: function() {
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var children = this.element.children().not('[data-grid-prepared]'), css;
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// exit if no already prepared elements found
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if (!children.length) {
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return;
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}
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css = {
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position : 'absolute',
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boxSizing : 'border-box',
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width : this.options.colwidth == 'auto' ? '' : this.options.colwidth
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};
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if (this.options.gutter) {
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css['padding-'+this.origin] = this.gutterh;
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css['padding-bottom'] = this.gutterv;
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this.element.css('margin-'+this.origin, this.gutterh * -1);
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}
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children.attr('data-grid-prepared', 'true').css(css);
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},
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update: function(elements) {
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var $this = this;
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this._prepareElements();
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elements = elements || this.element.children(':visible');
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var children = elements,
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maxwidth = this.element.width() + (2*this.gutterh) + 2,
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left = 0,
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top = 0,
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positions = [],
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item, width, height, pos, posi, i, z, max, size;
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this.trigger('beforeupdate.uk.grid', [children]);
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children.each(function(index){
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item = UI.$(this);
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size = this.getBoundingClientRect();
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width = size.width;
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height = size.height;
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left = 0;
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top = 0;
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for (i=0,max=positions.length;i<max;i++) {
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pos = positions[i];
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if (left <= pos.aX) { left = pos.aX; }
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if (maxwidth < (left + width)) { left = 0; }
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if (top <= pos.aY) { top = pos.aY; }
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}
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posi = {
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ele : item,
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top : top,
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width : width,
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height : height,
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aY : (top + height),
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aX : (left + width)
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};
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posi[$this.origin] = left;
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positions.push(posi);
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});
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var posPrev, maxHeight = 0, positionto;
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// fix top
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for (i=0,max=positions.length;i<max;i++) {
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pos = positions[i];
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top = 0;
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for (z=0;z<i;z++) {
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posPrev = positions[z];
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// (posPrev.left + 1) fixex 1px bug when using % based widths
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if (pos[this.origin] < posPrev.aX && (posPrev[this.origin] +1) < pos.aX) {
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top = posPrev.aY;
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}
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}
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pos.top = top;
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pos.aY = top + pos.height;
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maxHeight = Math.max(maxHeight, pos.aY);
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}
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maxHeight = maxHeight - this.gutterv;
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if (this.options.animation) {
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this.element.stop().animate({'height': maxHeight}, 100);
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positions.forEach(function(pos){
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positionto = {"top": pos.top, opacity: 1};
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positionto[$this.origin] = pos[$this.origin];
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pos.ele.stop().animate(positionto, this.options.duration);
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}.bind(this));
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} else {
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this.element.css('height', maxHeight);
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positions.forEach(function(pos){
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positionto = {"top": pos.top, opacity: 1};
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positionto[$this.origin] = pos[$this.origin];
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pos.ele.css(positionto);
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}.bind(this));
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}
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// make sure to trigger possible scrollpies etc.
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setTimeout(function() {
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UI.$doc.trigger('scrolling.uk.document');
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}, 2 * this.options.duration * (this.options.animation ? 1:0));
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this.trigger('afterupdate.uk.grid', [children]);
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},
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filter: function(filter) {
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this.currentfilter = filter;
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filter = filter || [];
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if (typeof(filter) === 'number') {
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filter = filter.toString();
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}
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if (typeof(filter) === 'string') {
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filter = filter.split(/,/).map(function(item){ return item.trim(); });
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}
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var $this = this, children = this.element.children(), elements = {"visible": [], "hidden": []}, visible, hidden;
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children.each(function(index){
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var ele = UI.$(this), f = ele.attr('data-uk-filter'), infilter = filter.length ? false : true;
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if (f) {
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f = f.split(/,/).map(function(item){ return item.trim(); });
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filter.forEach(function(item){
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if (f.indexOf(item) > -1) infilter = true;
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});
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}
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elements[infilter ? "visible":"hidden"].push(ele);
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});
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// convert to jQuery collections
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elements.hidden = UI.$(elements.hidden).map(function () {return this[0];});
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elements.visible = UI.$(elements.visible).map(function () {return this[0];});
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elements.hidden.attr('aria-hidden', 'true').filter(':visible').fadeOut(this.options.duration);
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elements.visible.attr('aria-hidden', 'false').filter(':hidden').css('opacity', 0).show();
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$this.update(elements.visible);
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if (this.controls && this.controls.length) {
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this.controls.find('[data-uk-filter]').removeClass('uk-active').filter('[data-uk-filter="'+filter+'"]').addClass('uk-active');
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}
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},
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sort: function(by, order){
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order = order || 1;
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// covert from string (asc|desc) to number
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if (typeof(order) === 'string') {
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order = order.toLowerCase() == 'desc' ? -1 : 1;
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}
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var elements = this.element.children();
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elements.sort(function(a, b){
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a = UI.$(a);
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b = UI.$(b);
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return (b.data(by) || '') < (a.data(by) || '') ? order : (order*-1);
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}).appendTo(this.element);
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this.update(elements.filter(':visible'));
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if (this.controls && this.controls.length) {
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this.controls.find('[data-uk-sort]').removeClass('uk-active').filter('[data-uk-sort="'+by+':'+(order == -1 ? 'desc':'asc')+'"]').addClass('uk-active');
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}
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}
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});
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});
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