297 lines
8.9 KiB
JavaScript
297 lines
8.9 KiB
JavaScript
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/*! UIkit 2.21.0 | 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;
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UI.component('dropdown', {
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defaults: {
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'mode' : 'hover',
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'remaintime' : 800,
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'justify' : false,
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'boundary' : UI.$win,
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'delay' : 0,
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'hoverDelayIdle' : 250
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},
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remainIdle: false,
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boot: function() {
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var triggerevent = UI.support.touch ? "click" : "mouseenter";
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// init code
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UI.$html.on(triggerevent+".dropdown.uikit", "[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 (triggerevent=="click" || (triggerevent=="mouseenter" && dropdown.options.mode=="hover")) {
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dropdown.element.trigger(triggerevent);
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}
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if (dropdown.element.find('.uk-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 $this = this;
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this.dropdown = this.find('.uk-dropdown');
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this.centered = this.dropdown.hasClass('uk-dropdown-center');
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this.justified = this.options.justify ? UI.$(this.options.justify) : false;
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this.boundary = UI.$(this.options.boundary);
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this.flipped = this.dropdown.hasClass('uk-dropdown-flip');
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if (!this.boundary.length) {
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this.boundary = UI.$win;
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}
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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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if (this.options.mode == "click" || UI.support.touch) {
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this.on("click.uikit.dropdown", function(e) {
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var $target = UI.$(e.target);
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if (!$target.parents(".uk-dropdown").length) {
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if ($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 ($target.is("a:not(.js-uk-prevent)") || $target.is(".uk-dropdown-close") || !$this.dropdown.find(e.target).length) {
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$this.hide();
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}
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}
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});
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} else {
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this.on("mouseenter", function(e) {
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if ($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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}).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 ($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();
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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.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.trigger('show.uk.dropdown', [this]);
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UI.Utils.checkDisplay(this.dropdown, true);
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active = this;
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this.registerOuterClick();
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},
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hide: function() {
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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.trigger('hide.uk.dropdown', [this]);
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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 == $this && ($target.is("a:not(.js-uk-prevent)") || $target.is(".uk-dropdown-close") || !$this.dropdown.find(e.target).length)) {
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$this.hide();
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UI.$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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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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dropdown = this.dropdown.css("margin-" + UI.langdirection, ""),
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offset = dropdown.show().offset(),
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width = dropdown.outerWidth(),
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boundarywidth = this.boundary.width(),
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boundaryoffset = this.boundary.offset() ? this.boundary.offset().left:0;
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// centered dropdown
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if (this.centered) {
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dropdown.css("margin-" + UI.langdirection, (parseFloat(width) / 2 - dropdown.parent().width() / 2) * -1);
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offset = dropdown.offset();
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// reset dropdown
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if ((width + offset.left) > boundarywidth || offset.left < 0) {
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dropdown.css("margin-" + UI.langdirection, "");
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offset = dropdown.offset();
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}
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}
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// justify dropdown
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if (this.justified && this.justified.length) {
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var jwidth = this.justified.outerWidth();
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dropdown.css("min-width", jwidth);
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if (UI.langdirection == 'right') {
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var right1 = boundarywidth - (this.justified.offset().left + jwidth),
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right2 = boundarywidth - (dropdown.offset().left + dropdown.outerWidth());
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dropdown.css("margin-right", right1 - right2);
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} else {
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dropdown.css("margin-left", this.justified.offset().left - offset.left);
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}
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offset = dropdown.offset();
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}
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if ((width + (offset.left-boundaryoffset)) > boundarywidth) {
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dropdown.addClass('uk-dropdown-flip');
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offset = dropdown.offset();
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}
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if ((offset.left-boundaryoffset) < 0) {
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dropdown.addClass("uk-dropdown-stack");
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if (dropdown.hasClass('uk-dropdown-flip')) {
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if (!this.flipped) {
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dropdown.removeClass('uk-dropdown-flip');
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offset = dropdown.offset();
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dropdown.addClass('uk-dropdown-flip');
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}
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setTimeout(function(){
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if ((dropdown.offset().left-boundaryoffset) < 0 || !$this.flipped && (dropdown.outerWidth() + (offset.left-boundaryoffset)) < boundarywidth) {
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dropdown.removeClass('uk-dropdown-flip');
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}
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}, 0);
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}
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this.trigger('stack.uk.dropdown', [this]);
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}
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dropdown.css("display", "");
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}
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});
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})(UIkit);
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