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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 stacks = [];
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UI.component('stackMargin', {
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defaults: {
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cls: 'uk-margin-small-top',
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rowfirst: false,
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observe: false
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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.$('[data-uk-margin]', context).each(function() {
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var ele = UI.$(this);
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if (!ele.data('stackMargin')) {
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UI.stackMargin(ele, UI.Utils.options(ele.attr('data-uk-margin')));
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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 $this = this;
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UI.$win.on('resize orientationchange', (function() {
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var fn = function() {
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$this.process();
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};
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UI.$(function() {
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fn();
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UI.$win.on('load', fn);
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});
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return UI.Utils.debounce(fn, 20);
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})());
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this.on('display.uk.check', function(e) {
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if (this.element.is(':visible')) this.process();
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}.bind(this));
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if (this.options.observe) {
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UI.domObserve(this.element, function(e) {
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if ($this.element.is(':visible')) $this.process();
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});
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}
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stacks.push(this);
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},
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process: function() {
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var $this = this, columns = this.element.children();
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UI.Utils.stackMargin(columns, this.options);
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if (!this.options.rowfirst || !columns.length) {
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return this;
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}
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// Mark first column elements
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var group = {}, minleft = false;
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columns.removeClass(this.options.rowfirst).each(function(offset, $ele){
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$ele = UI.$(this);
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if (this.style.display != 'none') {
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offset = $ele.offset().left;
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((group[offset] = group[offset] || []) && group[offset]).push(this);
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minleft = minleft === false ? offset : Math.min(minleft, offset);
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}
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});
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UI.$(group[minleft]).addClass(this.options.rowfirst);
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return this;
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}
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});
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// responsive element e.g. iframes
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(function(){
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var elements = [], check = function(ele) {
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if (!ele.is(':visible')) return;
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var width = ele.parent().width(),
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iwidth = ele.data('width'),
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ratio = (width / iwidth),
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height = Math.floor(ratio * ele.data('height'));
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ele.css({height: (width < iwidth) ? height : ele.data('height')});
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};
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UI.component('responsiveElement', {
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defaults: {},
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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.$('iframe.uk-responsive-width, [data-uk-responsive]', context).each(function() {
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var ele = UI.$(this), obj;
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if (!ele.data('responsiveElement')) {
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obj = UI.responsiveElement(ele, {});
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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 ele = this.element;
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if (ele.attr('width') && ele.attr('height')) {
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ele.data({
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width : ele.attr('width'),
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height: ele.attr('height')
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}).on('display.uk.check', function(){
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check(ele);
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});
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check(ele);
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elements.push(ele);
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}
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}
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});
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UI.$win.on('resize load', UI.Utils.debounce(function(){
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elements.forEach(function(ele){
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check(ele);
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});
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}, 15));
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})();
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// helper
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UI.Utils.stackMargin = function(elements, options) {
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options = UI.$.extend({
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cls: 'uk-margin-small-top'
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}, options);
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elements = UI.$(elements).removeClass(options.cls);
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var min = false;
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elements.each(function(offset, height, pos, $ele){
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$ele = UI.$(this);
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if ($ele.css('display') != 'none') {
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offset = $ele.offset();
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height = $ele.outerHeight();
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pos = offset.top + height;
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$ele.data({
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ukMarginPos: pos,
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ukMarginTop: offset.top
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});
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if (min === false || (offset.top < min.top) ) {
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min = {
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top : offset.top,
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left : offset.left,
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pos : pos
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};
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}
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}
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}).each(function($ele) {
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$ele = UI.$(this);
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if ($ele.css('display') != 'none' && $ele.data('ukMarginTop') > min.top && $ele.data('ukMarginPos') > min.pos) {
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$ele.addClass(options.cls);
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}
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});
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};
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UI.Utils.matchHeights = function(elements, options) {
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elements = UI.$(elements).css('min-height', '');
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options = UI.$.extend({ row : true }, options);
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var matchHeights = function(group){
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if (group.length < 2) return;
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var max = 0;
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group.each(function() {
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max = Math.max(max, UI.$(this).outerHeight());
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}).each(function() {
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var element = UI.$(this),
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height = max - (element.css('box-sizing') == 'border-box' ? 0 : (element.outerHeight() - element.height()));
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element.css('min-height', height + 'px');
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});
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};
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if (options.row) {
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elements.first().width(); // force redraw
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setTimeout(function(){
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var lastoffset = false, group = [];
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elements.each(function() {
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var ele = UI.$(this), offset = ele.offset().top;
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if (offset != lastoffset && group.length) {
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matchHeights(UI.$(group));
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group = [];
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offset = ele.offset().top;
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}
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group.push(ele);
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lastoffset = offset;
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});
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if (group.length) {
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matchHeights(UI.$(group));
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}
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}, 0);
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} else {
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matchHeights(elements);
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}
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};
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(function(cacheSvgs){
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UI.Utils.inlineSvg = function(selector, root) {
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var images = UI.$(selector || 'img[src$=".svg"]', root || document).each(function(){
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var img = UI.$(this),
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src = img.attr('src');
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if (!cacheSvgs[src]) {
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var d = UI.$.Deferred();
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UI.$.get(src, {nc: Math.random()}, function(data){
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d.resolve(UI.$(data).find('svg'));
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});
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cacheSvgs[src] = d.promise();
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}
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cacheSvgs[src].then(function(svg) {
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var $svg = UI.$(svg).clone();
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if (img.attr('id')) $svg.attr('id', img.attr('id'));
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if (img.attr('class')) $svg.attr('class', img.attr('class'));
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if (img.attr('style')) $svg.attr('style', img.attr('style'));
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if (img.attr('width')) {
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$svg.attr('width', img.attr('width'));
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if (!img.attr('height')) $svg.removeAttr('height');
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}
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if (img.attr('height')){
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$svg.attr('height', img.attr('height'));
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if (!img.attr('width')) $svg.removeAttr('width');
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}
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img.replaceWith($svg);
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});
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});
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};
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// init code
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UI.ready(function(context) {
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UI.Utils.inlineSvg('[data-uk-svg]', context);
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});
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})({});
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UI.Utils.getCssVar = function(name) {
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/* usage in css: .var-name:before { content:"xyz" } */
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var val, doc = document.documentElement, element = doc.appendChild(document.createElement('div'));
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element.classList.add('var-'+name);
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try {
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val = JSON.parse(val = getComputedStyle(element, ':before').content.replace(/^["'](.*)["']$/, '$1'));
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} catch (e) {
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val = undefined;
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}
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doc.removeChild(element);
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return val;
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}
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})(UIkit2);
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