535 lines
18 KiB
JavaScript
535 lines
18 KiB
JavaScript
/*! 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 active = false, hoverIdle, flips = {
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x: {
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'bottom-left' : 'bottom-right',
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'bottom-right' : 'bottom-left',
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'bottom-center' : 'bottom-center',
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'top-left' : 'top-right',
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'top-right' : 'top-left',
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'top-center' : 'top-center',
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'left-top' : 'right-top',
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'left-bottom' : 'right-bottom',
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'left-center' : 'right-center',
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'right-top' : 'left-top',
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'right-bottom' : 'left-bottom',
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'right-center' : 'left-center'
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},
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y: {
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'bottom-left' : 'top-left',
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'bottom-right' : 'top-right',
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'bottom-center' : 'top-center',
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'top-left' : 'bottom-left',
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'top-right' : 'bottom-right',
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'top-center' : 'bottom-center',
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'left-top' : 'left-bottom',
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'left-bottom' : 'left-top',
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'left-center' : 'left-center',
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'right-top' : 'right-bottom',
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'right-bottom' : 'right-top',
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'right-center' : 'right-center'
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},
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xy: {
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'bottom-left' : 'top-right',
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'bottom-right' : 'top-left',
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'bottom-center' : 'top-center',
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'top-left' : 'bottom-right',
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'top-right' : 'bottom-left',
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'top-center' : 'bottom-center',
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'left-top' : 'right-bottom',
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'left-bottom' : 'right-top',
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'left-center' : 'right-center',
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'right-top' : 'left-bottom',
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'right-bottom' : 'left-top',
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'right-center' : 'left-center'
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}
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};
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UI.component('dropdown', {
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defaults: {
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mode : 'hover',
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pos : 'bottom-left',
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offset : 0,
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remaintime : 800,
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justify : false,
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boundary : UI.$win,
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delay : 0,
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dropdownSelector: '.uk-dropdown,.uk-dropdown-blank',
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hoverDelayIdle : 250,
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preventflip : false
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},
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remainIdle: false,
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boot: function() {
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var triggerevent = UI.support.touch ? 'click' : 'mouseenter';
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// init code
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UI.$html.on(triggerevent+'.dropdown.uikit focus pointerdown', '[data-uk-dropdown]', function(e) {
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var ele = UI.$(this);
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if (!ele.data('dropdown')) {
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var dropdown = UI.dropdown(ele, UI.Utils.options(ele.attr('data-uk-dropdown')));
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if (e.type=='click' || (e.type=='mouseenter' && dropdown.options.mode=='hover')) {
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dropdown.element.trigger(triggerevent);
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}
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if (dropdown.dropdown.length) {
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e.preventDefault();
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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 $this = this;
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this.dropdown = this.find(this.options.dropdownSelector);
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this.offsetParent = this.dropdown.parents().filter(function() {
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return UI.$.inArray(UI.$(this).css('position'), ['relative', 'fixed', 'absolute']) !== -1;
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}).slice(0,1);
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if (!this.offsetParent.length) {
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this.offsetParent = this.element;
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}
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this.centered = this.dropdown.hasClass('uk-dropdown-center');
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this.justified = this.options.justify ? UI.$(this.options.justify) : false;
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this.boundary = UI.$(this.options.boundary);
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if (!this.boundary.length) {
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this.boundary = UI.$win;
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}
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// legacy DEPRECATED!
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if (this.dropdown.hasClass('uk-dropdown-up')) {
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this.options.pos = 'top-left';
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}
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if (this.dropdown.hasClass('uk-dropdown-flip')) {
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this.options.pos = this.options.pos.replace('left','right');
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}
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if (this.dropdown.hasClass('uk-dropdown-center')) {
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this.options.pos = this.options.pos.replace(/(left|right)/,'center');
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}
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//-- end legacy
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// Init ARIA
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this.element.attr('aria-haspopup', 'true');
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this.element.attr('aria-expanded', this.element.hasClass('uk-open'));
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this.dropdown.attr('aria-hidden', 'true');
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if (this.options.mode == 'click' || UI.support.touch) {
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this.on('click.uk.dropdown', function(e) {
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var $target = UI.$(e.target);
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if (!$target.parents($this.options.dropdownSelector).length) {
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if ($target.is("a[href='#']") || $target.parent().is("a[href='#']") || ($this.dropdown.length && !$this.dropdown.is(':visible')) ){
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e.preventDefault();
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}
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$target.blur();
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}
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if (!$this.element.hasClass('uk-open')) {
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$this.show();
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} else {
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if (!$this.dropdown.find(e.target).length || $target.is('.uk-dropdown-close') || $target.parents('.uk-dropdown-close').length) {
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$this.hide();
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}
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}
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});
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} else {
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this.on('mouseenter', function(e) {
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$this.trigger('pointerenter.uk.dropdown', [$this]);
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if ($this.remainIdle) {
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clearTimeout($this.remainIdle);
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}
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if (hoverIdle) {
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clearTimeout(hoverIdle);
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}
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if (active && active == $this) {
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return;
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}
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// pseudo manuAim
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if (active && active != $this) {
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hoverIdle = setTimeout(function() {
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hoverIdle = setTimeout($this.show.bind($this), $this.options.delay);
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}, $this.options.hoverDelayIdle);
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} else {
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hoverIdle = setTimeout($this.show.bind($this), $this.options.delay);
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}
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}).on('mouseleave', function() {
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if (hoverIdle) {
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clearTimeout(hoverIdle);
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}
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$this.remainIdle = setTimeout(function() {
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if (active && active == $this) $this.hide();
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}, $this.options.remaintime);
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$this.trigger('pointerleave.uk.dropdown', [$this]);
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}).on('click', function(e){
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var $target = UI.$(e.target);
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if ($this.remainIdle) {
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clearTimeout($this.remainIdle);
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}
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if (active && active == $this) {
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if (!$this.dropdown.find(e.target).length || $target.is('.uk-dropdown-close') || $target.parents('.uk-dropdown-close').length) {
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$this.hide();
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}
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return;
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}
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if ($target.is("a[href='#']") || $target.parent().is("a[href='#']")){
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e.preventDefault();
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}
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$this.show();
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});
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}
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},
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show: function(){
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UI.$html.off('click.outer.dropdown');
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if (active && active != this) {
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active.hide(true);
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}
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if (hoverIdle) {
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clearTimeout(hoverIdle);
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}
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this.trigger('beforeshow.uk.dropdown', [this]);
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this.checkDimensions();
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this.element.addClass('uk-open');
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// Update ARIA
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this.element.attr('aria-expanded', 'true');
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this.dropdown.attr('aria-hidden', 'false');
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this.trigger('show.uk.dropdown', [this]);
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UI.Utils.checkDisplay(this.dropdown, true);
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UI.Utils.focus(this.dropdown);
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active = this;
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this.registerOuterClick();
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},
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hide: function(force) {
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this.trigger('beforehide.uk.dropdown', [this, force]);
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this.element.removeClass('uk-open');
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if (this.remainIdle) {
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clearTimeout(this.remainIdle);
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}
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this.remainIdle = false;
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// Update ARIA
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this.element.attr('aria-expanded', 'false');
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this.dropdown.attr('aria-hidden', 'true');
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this.trigger('hide.uk.dropdown', [this, force]);
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if (active == this) active = false;
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},
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registerOuterClick: function(){
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var $this = this;
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UI.$html.off('click.outer.dropdown');
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setTimeout(function() {
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UI.$html.on('click.outer.dropdown', function(e) {
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if (hoverIdle) {
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clearTimeout(hoverIdle);
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}
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var $target = UI.$(e.target);
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if (active == $this && !$this.element.find(e.target).length) {
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$this.hide(true);
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UI.$html.off('click.outer.dropdown');
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}
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});
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}, 10);
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},
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checkDimensions: function() {
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if (!this.dropdown.length) return;
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// reset
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this.dropdown.removeClass('uk-dropdown-top uk-dropdown-bottom uk-dropdown-left uk-dropdown-right uk-dropdown-stack uk-dropdown-autoflip').css({
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topLeft :'',
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left :'',
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marginLeft :'',
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marginRight :''
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});
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if (this.justified && this.justified.length) {
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this.dropdown.css('min-width', '');
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}
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var $this = this,
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pos = UI.$.extend({}, this.offsetParent.offset(), {width: this.offsetParent[0].offsetWidth, height: this.offsetParent[0].offsetHeight}),
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posoffset = this.options.offset,
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dropdown = this.dropdown,
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offset = dropdown.show().offset() || {left: 0, top: 0},
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width = dropdown.outerWidth(),
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height = dropdown.outerHeight(),
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boundarywidth = this.boundary.width(),
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boundaryoffset = this.boundary[0] !== window && this.boundary.offset() ? this.boundary.offset(): {top:0, left:0},
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dpos = this.options.pos;
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var variants = {
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'bottom-left' : {top: 0 + pos.height + posoffset, left: 0},
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'bottom-right' : {top: 0 + pos.height + posoffset, left: 0 + pos.width - width},
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'bottom-center' : {top: 0 + pos.height + posoffset, left: 0 + pos.width / 2 - width / 2},
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'top-left' : {top: 0 - height - posoffset, left: 0},
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'top-right' : {top: 0 - height - posoffset, left: 0 + pos.width - width},
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'top-center' : {top: 0 - height - posoffset, left: 0 + pos.width / 2 - width / 2},
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'left-top' : {top: 0, left: 0 - width - posoffset},
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'left-bottom' : {top: 0 + pos.height - height, left: 0 - width - posoffset},
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'left-center' : {top: 0 + pos.height / 2 - height / 2, left: 0 - width - posoffset},
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'right-top' : {top: 0, left: 0 + pos.width + posoffset},
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'right-bottom' : {top: 0 + pos.height - height, left: 0 + pos.width + posoffset},
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'right-center' : {top: 0 + pos.height / 2 - height / 2, left: 0 + pos.width + posoffset}
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},
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css = {},
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pp;
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pp = dpos.split('-');
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css = variants[dpos] ? variants[dpos] : variants['bottom-left'];
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// justify dropdown
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if (this.justified && this.justified.length) {
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justify(dropdown.css({left:0}), this.justified, boundarywidth);
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} else {
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if (this.options.preventflip !== true) {
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var fdpos;
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switch(this.checkBoundary(pos.left + css.left, pos.top + css.top, width, height, boundarywidth)) {
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case "x":
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if(this.options.preventflip !=='x') fdpos = flips['x'][dpos] || 'right-top';
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break;
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case "y":
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if(this.options.preventflip !=='y') fdpos = flips['y'][dpos] || 'top-left';
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break;
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case "xy":
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if(!this.options.preventflip) fdpos = flips['xy'][dpos] || 'right-bottom';
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break;
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}
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if (fdpos) {
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pp = fdpos.split('-');
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css = variants[fdpos] ? variants[fdpos] : variants['bottom-left'];
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dropdown.addClass('uk-dropdown-autoflip');
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// check flipped
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if (this.checkBoundary(pos.left + css.left, pos.top + css.top, width, height, boundarywidth)) {
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pp = dpos.split('-');
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css = variants[dpos] ? variants[dpos] : variants['bottom-left'];
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}
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}
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}
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}
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if (width > boundarywidth) {
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dropdown.addClass('uk-dropdown-stack');
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this.trigger('stack.uk.dropdown', [this]);
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}
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dropdown.css(css).css('display', '').addClass('uk-dropdown-'+pp[0]);
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},
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checkBoundary: function(left, top, width, height, boundarywidth) {
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var axis = "";
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if (left < 0 || ((left - UI.$win.scrollLeft())+width) > boundarywidth) {
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axis += "x";
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}
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if ((top - UI.$win.scrollTop()) < 0 || ((top - UI.$win.scrollTop())+height) > window.innerHeight) {
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axis += "y";
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}
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return axis;
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}
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});
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UI.component('dropdownOverlay', {
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defaults: {
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justify : false,
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cls : '',
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duration: 200
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},
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boot: function() {
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// init code
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UI.ready(function(context) {
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UI.$('[data-uk-dropdown-overlay]', context).each(function() {
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var ele = UI.$(this);
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if (!ele.data('dropdownOverlay')) {
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UI.dropdownOverlay(ele, UI.Utils.options(ele.attr('data-uk-dropdown-overlay')));
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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 $this = this;
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this.justified = this.options.justify ? UI.$(this.options.justify) : false;
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this.overlay = this.element.find('uk-dropdown-overlay');
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if (!this.overlay.length) {
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this.overlay = UI.$('<div class="uk-dropdown-overlay"></div>').appendTo(this.element);
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}
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this.overlay.addClass(this.options.cls);
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this.on({
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'beforeshow.uk.dropdown': function(e, dropdown) {
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$this.dropdown = dropdown;
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if ($this.justified && $this.justified.length) {
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justify($this.overlay.css({display:'block', marginLeft:'', marginRight:''}), $this.justified, $this.justified.outerWidth());
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}
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},
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'show.uk.dropdown': function(e, dropdown) {
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var h = $this.dropdown.dropdown.outerHeight(true);
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$this.dropdown.element.removeClass('uk-open');
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$this.overlay.stop().css('display', 'block').animate({height: h}, $this.options.duration, function() {
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$this.dropdown.dropdown.css('visibility', '');
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$this.dropdown.element.addClass('uk-open');
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UI.Utils.checkDisplay($this.dropdown.dropdown, true);
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});
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$this.pointerleave = false;
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},
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'hide.uk.dropdown': function() {
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$this.overlay.stop().animate({height: 0}, $this.options.duration);
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},
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'pointerenter.uk.dropdown': function(e, dropdown) {
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clearTimeout($this.remainIdle);
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},
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'pointerleave.uk.dropdown': function(e, dropdown) {
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$this.pointerleave = true;
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}
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});
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this.overlay.on({
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'mouseenter': function() {
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if ($this.remainIdle) {
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clearTimeout($this.dropdown.remainIdle);
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clearTimeout($this.remainIdle);
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}
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},
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'mouseleave': function(){
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if ($this.pointerleave && active) {
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$this.remainIdle = setTimeout(function() {
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if(active) active.hide();
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}, active.options.remaintime);
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}
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}
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})
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}
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});
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function justify(ele, justifyTo, boundarywidth, offset) {
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ele = UI.$(ele);
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justifyTo = UI.$(justifyTo);
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boundarywidth = boundarywidth || window.innerWidth;
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offset = offset || ele.offset();
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if (justifyTo.length) {
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var jwidth = justifyTo.outerWidth();
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ele.css('min-width', jwidth);
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if (UI.langdirection == 'right') {
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var right1 = boundarywidth - (justifyTo.offset().left + jwidth),
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right2 = boundarywidth - (ele.offset().left + ele.outerWidth());
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ele.css('margin-right', right1 - right2);
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} else {
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ele.css('margin-left', justifyTo.offset().left - offset.left);
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}
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}
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}
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})(UIkit2);
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