SemanSemantic-UItic-UI/dist/components/dropdown.min.js

/*!
 * # Semantic UI 2.0.0 - Dropdown
 * http://github.com/semantic-org/semantic-ui/
 *
 *
 * Copyright 2015 Contributors
 * Released under the MIT license
 * http://opensource.org/licenses/MIT
 *
 */
!function(e,t,n,i){"use strict";e.fn.dropdown=function(a){var o,s=e(this),r=e(n),l=s.selector||"",c="ontouchstart"in n.documentElement,u=(new Date).getTime(),d=[],v=arguments[0],m="string"==typeof v,f=[].slice.call(arguments,1);return s.each(function(){var h,g,b,p,w,C,x,y=e.isPlainObject(a)?e.extend(!0,{},e.fn.dropdown.settings,a):e.extend({},e.fn.dropdown.settings),S=y.className,A=y.message,T=y.metadata,k=y.namespace,L=y.regExp,D=y.selector,I=y.error,R=y.templates,q="."+k,V="module-"+k,E=e(this),O=E.find(D.text),F=E.find(D.search),P=E.find(D.input),M=E.find(D.icon),z=E.prev().find(D.text).length>0?E.prev().find(D.text):E.prev(),H=E.children(D.menu),j=H.find(D.item),U=!1,N=!1,K=this,W=E.data(V);x={initialize:function(){x.debug("Initializing dropdown",y),x.is.alreadySetup()?x.setup.reference():(x.setup.layout(),x.save.defaults(),x.restore.selected(),x.create.id(),c&&x.bind.touchEvents(),x.bind.mouseEvents(),x.bind.keyboardEvents(),x.observeChanges(),x.instantiate())},instantiate:function(){x.verbose("Storing instance of dropdown",x),W=x,E.data(V,x)},destroy:function(){x.verbose("Destroying previous dropdown for",E),x.remove.tabbable(),E.off(q).removeData(V),H.off(q),r.off(b),w&&w.disconnect(),C&&C.disconnect()},observeChanges:function(){"MutationObserver"in t&&(w=new MutationObserver(function(e){x.debug("<select> modified, recreating menu"),x.setup.select()}),C=new MutationObserver(function(e){x.debug("Menu modified, updating selector cache"),x.refresh()}),x.has.input()&&w.observe(P[0],{childList:!0,subtree:!0}),x.has.menu()&&C.observe(H[0],{childList:!0,subtree:!0}),x.debug("Setting up mutation observer",w,C))},create:{id:function(){p=(Math.random().toString(16)+"000000000").substr(2,8),b="."+p,x.verbose("Creating unique id for element",p)},userChoice:function(t){var n,a,o;return(t=t||x.get.userValues())?(t=e.isArray(t)?t:[t],e.each(t,function(t,s){x.get.item(s)===!1&&(o=y.templates.addition(s),a=e("<div />").html(o).data(T.value,s).addClass(S.addition).addClass(S.item),n=n===i?a:n.add(a),x.verbose("Creating user choices for value",s,a))}),n):!1},userLabels:function(t){var n=x.get.userValues();n&&(x.debug("Adding user labels",n),e.each(n,function(e,t){x.verbose("Adding custom user value"),x.add.label(t,t)}))}},search:function(e){e=e!==i?e:x.get.query(),x.verbose("Searching for query",e),x.filter(e)},select:{firstUnfiltered:function(){x.verbose("Selecting first non-filtered element"),x.remove.selectedItem(),j.not(D.unselectable).eq(0).addClass(S.selected)},nextAvailable:function(e){e=e.eq(0);var t=e.nextAll(D.item).not(D.unselectable).eq(0),n=e.prevAll(D.item).not(D.unselectable).eq(0),i=t.length>0;i?(x.verbose("Moving selection to",t),t.addClass(S.selected)):(x.verbose("Moving selection to",n),n.addClass(S.selected))}},setup:{api:function(){var e={debug:y.debug,on:!1};x.verbose("First request, initializing API"),E.api(e)},layout:function(){E.is("select")&&x.setup.select(),x.is.search()&&!x.has.search()&&(x.verbose("Adding search input"),F=e("<input />").addClass(S.search).insertBefore(O)),y.allowTab&&x.set.tabbable(),0===H.length&&(H=e("<div />").addClass(S.menu).appendTo(E))},select:function(){var t=x.get.selectValues();x.debug("Dropdown initialized on a select",t),E.is("select")&&(P=E),P.parent(D.dropdown).length>0?(x.debug("UI dropdown already exists. Creating dropdown menu only"),E=P.closest(D.dropdown),H=E.children(D.menu),x.setup.menu(t)):(x.debug("Creating entire dropdown from select"),E=e("<div />").attr("class",P.attr("class")).addClass(S.selection).addClass(S.dropdown).html(R.dropdown(t)).insertBefore(P),P.removeAttr("class").detach().prependTo(E)),P.is("[multiple]")&&x.set.multiple(),x.refresh()},menu:function(e){H.html(R.menu(e)),j=H.find(D.item)},reference:function(){var e,t,n=s.index(E);x.debug("Dropdown behavior was called on select, replacing with closest dropdown"),E=E.parent(D.dropdown),x.refresh(),e=s.slice(0,n),t=s.slice(n+1),s=e.add(E).add(t),m&&(W=x,x.invoke(v))}},refresh:function(){x.verbose("Refreshing selector cache"),O=E.find(D.text),F=E.find(D.search),P=E.find(D.input),M=E.find(D.icon),z=E.pre
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