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

/*!
 * # Semantic UI 2.2.0 - 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";t="undefined"!=typeof t&&t.Math==Math?t:"undefined"!=typeof self&&self.Math==Math?self:Function("return this")(),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(h){var g,p,b,w,x,C,y,S,A=e.isPlainObject(a)?e.extend(!0,{},e.fn.dropdown.settings,a):e.extend({},e.fn.dropdown.settings),T=A.className,k=A.message,L=A.fields,I=A.keys,D=A.metadata,q=A.namespace,R=A.regExp,V=A.selector,O=A.error,E=A.templates,M="."+q,F="module-"+q,z=e(this),P=e(A.context),H=z.find(V.text),j=z.find(V.search),U=z.find(V.sizer),K=z.find(V.input),N=z.find(V.icon),W=z.prev().find(V.text).length>0?z.prev().find(V.text):z.prev(),B=z.children(V.menu),$=B.find(V.item),Q=!1,Y=!1,G=!1,J=this,X=z.data(F);S={initialize:function(){S.debug("Initializing dropdown",A),S.is.alreadySetup()?S.setup.reference():(S.setup.layout(),S.refreshData(),S.save.defaults(),S.restore.selected(),S.create.id(),S.bind.events(),S.observeChanges(),S.instantiate())},instantiate:function(){S.verbose("Storing instance of dropdown",S),X=S,z.data(F,S)},destroy:function(){S.verbose("Destroying previous dropdown",z),S.remove.tabbable(),z.off(M).removeData(F),B.off(M),r.off(w),C&&C.disconnect(),y&&y.disconnect()},observeChanges:function(){"MutationObserver"in t&&(C=new MutationObserver(function(e){S.debug("<select> modified, recreating menu"),S.setup.select()}),y=new MutationObserver(function(e){S.debug("Menu modified, updating selector cache"),S.refresh()}),S.has.input()&&C.observe(K[0],{childList:!0,subtree:!0}),S.has.menu()&&y.observe(B[0],{childList:!0,subtree:!0}),S.debug("Setting up mutation observer",C,y))},create:{id:function(){x=(Math.random().toString(16)+"000000000").substr(2,8),w="."+x,S.verbose("Creating unique id for element",x)},userChoice:function(t){var n,a,o;return(t=t||S.get.userValues())?(t=e.isArray(t)?t:[t],e.each(t,function(t,s){S.get.item(s)===!1&&(o=A.templates.addition(S.add.variables(k.addResult,s)),a=e("<div />").html(o).attr("data-"+D.value,s).attr("data-"+D.text,s).addClass(T.addition).addClass(T.item),A.hideAdditions&&a.addClass(T.hidden),n=n===i?a:n.add(a),S.verbose("Creating user choices for value",s,a))}),n):!1},userLabels:function(t){var n=S.get.userValues();n&&(S.debug("Adding user labels",n),e.each(n,function(e,t){S.verbose("Adding custom user value"),S.add.label(t,t)}))},menu:function(){B=e("<div />").addClass(T.menu).appendTo(z)},sizer:function(){U=e("<span />").addClass(T.sizer).insertAfter(j)}},search:function(e){e=e!==i?e:S.get.query(),S.verbose("Searching for query",e),S.has.minCharacters(e)?S.filter(e):S.hide()},select:{firstUnfiltered:function(){S.verbose("Selecting first non-filtered element"),S.remove.selectedItem(),$.not(V.unselectable).not(V.addition+V.hidden).eq(0).addClass(T.selected)},nextAvailable:function(e){e=e.eq(0);var t=e.nextAll(V.item).not(V.unselectable).eq(0),n=e.prevAll(V.item).not(V.unselectable).eq(0),i=t.length>0;i?(S.verbose("Moving selection to",t),t.addClass(T.selected)):(S.verbose("Moving selection to",n),n.addClass(T.selected))}},setup:{api:function(){var e={debug:A.debug,urlData:{value:S.get.value(),query:S.get.query()},on:!1};S.verbose("First request, initializing API"),z.api(e)},layout:function(){z.is("select")&&(S.setup.select(),S.setup.returnedObject()),S.has.menu()||S.create.menu(),S.is.search()&&!S.has.search()&&(S.verbose("Adding search input"),j=e("<input />").addClass(T.search).prop("autocomplete","off").insertBefore(H)),S.is.multiple()&&S.is.searchSelection()&&!S.has.sizer()&&S.create.sizer(),A.allowTab&&S.set.tabbable()},select:function(){var t=S.get.selectValues();S.debug("Dropdown initialized on a select",t),z.is("select")&&(K=z),K.parent(V.dropdown).length>0?(S.debug("UI dropdown already exists. Creating dropdown menu only"),z=K.closest(V.dropdown),S.has.menu()||S.create.menu(),B=z.children(V.menu),S.setup.menu(t)):(S.debug("Creating entire dropdown from select"),z=e("<div />").attr("class",K.attr("class")).addClass(T.selection).addClass(T.dropdown).html(E.dropdown(t)).insertBefore(K),K.hasClass(T.multiple)&&K.prop("multiple")===!1&&(S.error(O.missingMultiple),K.prop("multiple",!0)),K.is("[multiple]")&&S.set.multiple(),K.prop("disabled")&&(S.debug("Disabling dropdown"),z.addClass(T.disabled)),K.removeAttr("class").detach().prependTo(z)),S.refresh()},menu:function(e){B.html(E.menu(e,L)),$=B.find(V.item)},reference:function(){S.debug("Dropdown behavior was called on select, replacing with closest dropdown"),z=z.parent(V.dropdown),S.refresh(),S.setup.returnedObject(),m&&(X=S,S.invoke(v))},returnedObject:function(){var e=s.slice(0,h),t=s.slice(h+1);s=e.add(z).add(t)}},refresh:function(){S.refreshSelectors(),S.refreshData()},refreshSelectors:function(){S.verbose("Refreshing 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e=$.not(T.filtered).filter("."+T.selected).eq(0),t=$.not(T.filtered).filter("."+T.active).eq(0),n=e.length>0?e:t,i=n.size()>0;return i?(S.debug("Forcing partial selection to selected item",n),void S.event.item.click.call(n,{},!0)):void(A.allowAdditions?(S.set.selected(S.get.query()),S.remove.searchTerm()):S.remove.searchTerm())},event:{change:function(){G||(S.debug("Input changed, updating selection"),S.set.selected())},focus:function(){A.showOnFocus&&!Q&&S.is.hidden()&&!p&&S.show()},blur:function(e){p=n.activeElement===this,Q||p||(S.remove.activeLabel(),S.hide())},mousedown:function(){S.is.searchSelection()?b=!0:Q=!0},mouseup:function(){S.is.searchSelection()?b=!1:Q=!1},click:function(t){var n=e(t.target);n.is(z)&&(S.is.focusedOnSearch()?S.show():S.focusSearch())},search:{focus:function(){Q=!0,S.is.multiple()&&S.remove.activeLabel(),A.showOnFocus&&S.search()},blur:function(e){p=n.activeElement===this,b||Y||p||(A.forceSelection&&S.has.query()&&S.forceSelection(),S.hide()),b=!1}},icon:{click:function(e){S.toggle(),e.stopPropagation()}},text:{focus:function(e){Q=!0,S.focusSearch()}},input:function(e){(S.is.multiple()||S.is.searchSelection())&&S.set.filtered(),clearTimeout(S.timer),S.timer=setTimeout(S.search,A.delay.search)},label:{click:function(t){var n=e(this),i=z.find(V.label),a=i.filter("."+T.active),o=n.nextAll("."+T.active),s=n.prevAll("."+T.active),r=o.length>0?n.nextUntil(o).add(a).add(n):n.prevUntil(s).add(a).add(n);t.shiftKey?(a.removeClass(T.active),r.addClass(T.active)):t.ctrlKey?n.toggleClass(T.active):(a.removeClass(T.active),n.addClass(T.active)),A.onLabelSelect.apply(this,i.filter("."+T.active))}},remove:{click:function(){var t=e(this).parent();t.hasClass(T.active)?S.remove.activeLabels():S.remove.activeLabels(t)}},test:{toggle:function(e){var t=S.is.multiple()?S.show:S.toggle;S.is.bubbledLabelClick(e)||S.determine.eventOnElement(e,t)&&e.preventDefault()},touch:function(e){S.determine.eventOnElement(e,function(){"touchstart"==e.type?S.timer=setTimeout(function(){S.hide()},A.delay.touch):"touchmove"==e.type&&clearTimeout(S.timer)}),e.stopPropagation()},hide:function(e){S.determine.eventInModule(e,S.hide)}},menu:{mousedown:function(){Y=!0},mouseup:function(){Y=!1}},item:{mouseenter:function(t){var n=e(t.target),i=e(this),a=i.children(V.menu),o=i.siblings(V.item).children(V.menu),s=a.length>0,r=a.find(n).length>0;!r&&s&&(clearTimeout(S.itemTimer),S.itemTimer=setTimeout(function(){S.verbose("Showing sub-menu",a),e.each(o,function(){S.animate.hide(!1,e(this))}),S.animate.show(!1,a)},A.delay.show),t.preventDefault())},mouseleave:function(t){var n=e(this).children(V.menu);n.length>0&&(clearTimeout(S.itemTimer),S.itemTimer=setTimeout(function(){S.verbose("Hiding sub-menu",n),S.animate.hide(!1,n)},A.delay.hide))},click:function(t,n){var i=e(this),a=e(t?t.target:""),o=i.find(V.menu),s=S.get.choiceText(i),r=S.get.choiceValue(i,s),l=o.length>0,c=o.find(a).length>0;c||l&&!A.allowCategorySelection||(S.is.searchSelection()&&(A.allowAdditions&&S.remove.userAddition(),S.remove.searchTerm(),S.is.focusedOnSearch()||1==n||S.focusSearch(!0)),A.useLabels||(S.remove.filteredItem(),S.set.scrollPosition(i)),S.determine.selectAction.call(this,s,r))}},document:{keydown:function(e){var t=e.which,n=S.is.inObject(t,I);if(n){var i=z.find(V.label),a=i.filter("."+T.active),o=(a.data(D.value),i.index(a)),s=i.length,r=a.length>0,l=a.length>1,c=0===o,u=o+1==s,d=S.is.searchSelection(),v=S.is.focusedOnSearch(),m=S.is.focused(),f=v&&0===S.get.caretPosition();if(d&&!r&&!v)return;t==I.leftArrow?!m&&!f||r?r&&(e.shiftKey?S.verbose("Adding previous label to 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i,a,o=$.not(V.unselectable).filter("."+T.selected).eq(0),s=B.children("."+T.active).eq(0),r=o.length>0?o:s,l=r.length>0?r.siblings(":not(."+T.filtered+")").andSelf():B.children(":not(."+T.filtered+")"),c=r.children(V.menu),u=r.closest(V.menu),d=u.hasClass(T.visible)||u.hasClass(T.animating)||u.parent(V.menu).length>0,v=c.length>0,m=r.length>0,f=r.not(V.unselectable).length>0,h=t==I.delimiter&&A.allowAdditions&&S.is.multiple(),g=A.allowAdditions&&A.hideAdditions&&(t==I.enter||h)&&f;if(g&&(S.verbose("Selecting item from keyboard shortcut",r),S.event.item.click.call(r,e),S.is.searchSelection()&&S.remove.searchTerm()),S.is.visible()){if((t==I.enter||h)&&(t==I.enter&&m&&v&&!A.allowCategorySelection?(S.verbose("Pressed enter on unselectable category, opening sub menu"),t=I.rightArrow):f&&(S.verbose("Selecting item from keyboard shortcut",r),S.event.item.click.call(r,e),S.is.searchSelection()&&S.remove.searchTerm()),e.preventDefault()),m&&(t==I.leftArrow&&(a=u[0]!==B[0],a&&(S.verbose("Left 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