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12 lines
40 KiB
12 lines
40 KiB
/*!
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* # Semantic UI 2.0.1 - Dropdown
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* http://github.com/semantic-org/semantic-ui/
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*
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*
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* Copyright 2015 Contributors
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* Released under the MIT license
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* http://opensource.org/licenses/MIT
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*
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*/
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!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(h){var g,b,p,w,x,C,S,y=e.isPlainObject(a)?e.extend(!0,{},e.fn.dropdown.settings,a):e.extend({},e.fn.dropdown.settings),A=y.className,T=y.message,k=y.metadata,L=y.namespace,D=y.regExp,I=y.selector,R=y.error,q=y.templates,O="."+L,V="module-"+L,E=e(this),F=e(y.context),P=E.find(I.text),M=E.find(I.search),z=E.find(I.input),H=E.find(I.icon),j=E.prev().find(I.text).length>0?E.prev().find(I.text):E.prev(),U=E.children(I.menu),N=U.find(I.item),K=!1,W=!1,B=this,$=E.data(V);S={initialize:function(){S.debug("Initializing dropdown",y),S.is.alreadySetup()?S.setup.reference():(S.setup.layout(),S.refreshData(),S.save.defaults(),S.restore.selected(),S.create.id(),c&&S.bind.touchEvents(),S.bind.mouseEvents(),S.bind.keyboardEvents(),S.observeChanges(),S.instantiate())},instantiate:function(){S.verbose("Storing instance of dropdown",S),$=S,E.data(V,S)},destroy:function(){S.verbose("Destroying previous dropdown",E),S.remove.tabbable(),E.off(O).removeData(V),U.off(O),r.off(p),x&&x.disconnect(),C&&C.disconnect()},observeChanges:function(){"MutationObserver"in t&&(x=new MutationObserver(function(e){S.debug("<select> modified, recreating menu"),S.setup.select()}),C=new MutationObserver(function(e){S.debug("Menu modified, updating selector cache"),S.refresh()}),S.has.input()&&x.observe(z[0],{childList:!0,subtree:!0}),S.has.menu()&&C.observe(U[0],{childList:!0,subtree:!0}),S.debug("Setting up mutation observer",x,C))},create:{id:function(){w=(Math.random().toString(16)+"000000000").substr(2,8),p="."+w,S.verbose("Creating unique id for element",w)},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=y.templates.addition(s),a=e("<div />").html(o).data(k.value,s).addClass(A.addition).addClass(A.item),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)}))}},search:function(e){e=e!==i?e:S.get.query(),S.verbose("Searching for query",e),S.filter(e)},select:{firstUnfiltered:function(){S.verbose("Selecting first non-filtered element"),S.remove.selectedItem(),N.not(I.unselectable).eq(0).addClass(A.selected)},nextAvailable:function(e){e=e.eq(0);var t=e.nextAll(I.item).not(I.unselectable).eq(0),n=e.prevAll(I.item).not(I.unselectable).eq(0),i=t.length>0;i?(S.verbose("Moving selection to",t),t.addClass(A.selected)):(S.verbose("Moving selection to",n),n.addClass(A.selected))}},setup:{api:function(){var e={debug:y.debug,on:!1};S.verbose("First request, initializing API"),E.api(e)},layout:function(){E.is("select")&&(S.setup.select(),S.setup.returnedObject()),S.is.search()&&!S.has.search()&&(S.verbose("Adding search input"),M=e("<input />").addClass(A.search).insertBefore(P)),y.allowTab&&S.set.tabbable(),0===U.length&&(U=e("<div />").addClass(A.menu).appendTo(E))},select:function(){var t=S.get.selectValues();S.debug("Dropdown initialized on a select",t),E.is("select")&&(z=E),z.parent(I.dropdown).length>0?(S.debug("UI dropdown already exists. Creating dropdown menu only"),E=z.closest(I.dropdown),U=E.children(I.menu),S.setup.menu(t)):(S.debug("Creating entire dropdown from select"),E=e("<div />").attr("class",z.attr("class")).addClass(A.selection).addClass(A.dropdown).html(q.dropdown(t)).insertBefore(z),z.removeAttr("class").detach().prependTo(E)),z.is("[multiple]")&&S.set.multiple(),S.refresh()},menu:function(e){U.html(q.menu(e)),N=U.find(I.item)},reference:function(){S.debug("Dropdown behavior was called on select, replacing with closest dropdown"),E=E.parent(I.dropdown),S.refresh(),S.setup.returnedObject(),m&&($=S,S.invoke(v))},returnedObject:function(){var e=s.slice(0,h),t=s.slice(h+1);s=e.add(E).add(t)}},refresh:function(){S.refreshSelectors(),S.refreshData()},refreshSelectors:function(){S.verbose("Refreshing selector cache"),P=E.find(I.text),M=E.find(I.search),z=E.find(I.input),H=E.find(I.icon),j=E.prev().find(I.text).length>0?E.prev().find(I.text):E.prev(),U=E.children(I.menu),N=U.find(I.item)},refreshData:function(){S.verbose("Refreshing cached metadata"),N.removeData(k.text).removeData(k.value),E.removeData(k.defaultText).removeData(k.defaultValue).removeData(k.placeholderText)},toggle:function(){S.verbose("Toggling menu visibility"),S.is.active()?S.hide():S.show()},show:function(t){if(t=e.isFunction(t)?t:function(){},S.can.show()&&!S.is.active()){if(S.debug("Showing dropdown"),S.is.multiple()&&!S.has.search()&&S.is.allFiltered())return!0;S.animate.show(function(){S.can.click()&&S.bind.intent(),S.set.visible(),t.call(B)}),y.onShow.call(B)}},hide:function(t){t=e.isFunction(t)?t:function(){},S.is.active()&&(S.debug("Hiding dropdown"),S.animate.hide(function(){S.remove.visible(),t.call(B)}),y.onHide.call(B))},hideOthers:function(){S.verbose("Finding other dropdowns to hide"),s.not(E).has(I.menu+"."+A.visible).dropdown("hide")},hideMenu:function(){S.verbose("Hiding menu instantaneously"),S.remove.active(),S.remove.visible(),U.transition("hide")},hideSubMenus:function(){var e=U.children(I.item).find(I.menu);S.verbose("Hiding sub menus",e),e.transition("hide")},bind:{keyboardEvents:function(){S.debug("Binding keyboard events"),E.on("keydown"+O,S.event.keydown),S.has.search()&&E.on(S.get.inputEvent()+O,I.search,S.event.input),S.is.multiple()&&r.on("keydown"+p,S.event.document.keydown)},touchEvents:function(){S.debug("Touch device detected binding additional touch events"),S.is.searchSelection()||S.is.single()&&E.on("touchstart"+O,S.event.test.toggle),U.on("touchstart"+O,I.item,S.event.item.mouseenter)},mouseEvents:function(){S.debug("Mouse detected binding mouse events"),S.is.multiple()&&E.on("click"+O,I.label,S.event.label.click).on("click"+O,I.remove,S.event.remove.click),S.is.searchSelection()?(E.on("mousedown"+O,I.menu,S.event.menu.mousedown).on("mouseup"+O,I.menu,S.event.menu.mouseup).on("click"+O,I.search,S.show).on("focus"+O,I.search,S.event.search.focus).on("blur"+O,I.search,S.event.search.blur).on("click"+O,I.text,S.event.text.focus),S.is.multiple()&&E.on("click"+O,S.event.click)):("click"==y.on?E.on("click"+O,S.event.test.toggle):"hover"==y.on?E.on("mouseenter"+O,S.delay.show).on("mouseleave"+O,S.delay.hide):E.on(y.on+O,S.toggle),E.on("mousedown"+O,S.event.mousedown).on("mouseup"+O,S.event.mouseup).on("focus"+O,S.event.focus).on("blur"+O,S.event.blur)),U.on("mouseenter"+O,I.item,S.event.item.mouseenter).on("mouseleave"+O,I.item,S.event.item.mouseleave).on("click"+O,I.item,S.event.item.click)},intent:function(){S.verbose("Binding hide intent event to document"),c&&r.on("touchstart"+p,S.event.test.touch).on("touchmove"+p,S.event.test.touch),r.on("click"+p,S.event.test.hide)}},unbind:{intent:function(){S.verbose("Removing hide intent event from document"),c&&r.off("touchstart"+p).off("touchmove"+p),r.off("click"+p)}},filter:function(e){var t=e!==i?e:S.get.query(),n=function(){S.is.multiple()&&S.filterActive(),S.select.firstUnfiltered(),S.has.allResultsFiltered()?y.onNoResults.call(B,t)?y.allowAdditions||(S.verbose("All items filtered, showing message",t),S.add.message(T.noResults)):(S.verbose("All items filtered, hiding dropdown",t),S.hideMenu()):S.remove.message(),y.allowAdditions&&S.add.userSuggestion(e),S.is.searchSelection()&&S.can.show()&&S.is.focusedOnSearch()&&S.show()};S.has.maxSelections()||(y.apiSettings?S.can.useAPI()?S.queryRemote(t,function(){n()}):S.error(R.noAPI):(S.filterItems(t),n()))},queryRemote:function(t,n){var i={errorDuration:!1,throttle:y.throttle,cache:"local",urlData:{query:t},onError:function(){S.add.message(T.serverError),n()},onFailure:function(){S.add.message(T.serverError),n()},onSuccess:function(e){S.remove.message(),S.setup.menu({values:e.results}),n()}};E.api("get request")||S.setup.api(),i=e.extend(!0,{},i,y.apiSettings),E.api("setting",i).api("query")},filterItems:function(t){var n=t!==i?t:S.get.query(),a=e(),o=S.escape.regExp(n),s=new RegExp("^"+o,"igm");""===n?a=N:(S.verbose("Searching for matching values",n),N.each(function(){var t,i,o=e(this);if("both"==y.match||"text"==y.match){if(t=String(S.get.choiceText(o,!1)),-1!==t.search(s))return a=a.add(o),!0;if(y.fullTextSearch&&S.fuzzySearch(n,t))return a=a.add(o),!0}if("both"==y.match||"value"==y.match){if(i=String(S.get.choiceValue(o,t)),-1!==i.search(s))return a=a.add(o),!0;if(y.fullTextSearch&&S.fuzzySearch(n,i))return a=a.add(o),!0}})),S.debug("Showing only matched items",n),S.remove.filteredItem(),N.not(a).addClass(A.filtered)},fuzzySearch:function(e,t){var n=t.length,i=e.length;if(e=e.toLowerCase(),t=t.toLowerCase(),i>n)return!1;if(i===n)return e===t;e:for(var a=0,o=0;i>a;a++){for(var s=e.charCodeAt(a);n>o;)if(t.charCodeAt(o++)===s)continue e;return!1}return!0},filterActive:function(){y.useLabels&&N.filter("."+A.active).addClass(A.filtered)},focusSearch:function(){S.is.search()&&!S.is.focusedOnSearch()&&M[0].focus()},forceSelection:function(){var e=N.not(A.filtered).filter("."+A.selected).eq(0),t=N.not(A.filtered).filter("."+A.active).eq(0),n=e.length>0?e:t,i=n.size()>0;i?(S.debug("Forcing partial selection to selected item",n),S.event.item.click.call(n)):S.hide()},event:{focus:function(){y.showOnFocus&&!K&&S.is.hidden()&&!b&&S.show()},click:function(t){var n=e(t.target);!n.is(E)&&!n.is(H)||S.is.focusedOnSearch()||S.focusSearch()},blur:function(e){b=n.activeElement===this,K||b||(S.remove.activeLabel(),S.hide())},mousedown:function(){K=!0},mouseup:function(){K=!1},search:{focus:function(){K=!0,S.is.multiple()&&S.remove.activeLabel(),y.showOnFocus&&S.show()},blur:function(e){b=n.activeElement===this,W||b||(S.is.multiple()?(S.remove.activeLabel(),S.hide()):y.forceSelection?S.forceSelection():S.hide())}},text:{focus:function(e){K=!0,S.focusSearch()}},input:function(e){(S.is.multiple()||S.is.searchSelection())&&S.set.filtered(),clearTimeout(S.timer),S.timer=setTimeout(S.search,y.delay.search)},label:{click:function(t){var n=e(this),i=E.find(I.label),a=i.filter("."+A.active),o=n.nextAll("."+A.active),s=n.prevAll("."+A.active),r=o.length>0?n.nextUntil(o).add(a).add(n):n.prevUntil(s).add(a).add(n);t.shiftKey?(a.removeClass(A.active),r.addClass(A.active)):t.ctrlKey?n.toggleClass(A.active):(a.removeClass(A.active),n.addClass(A.active)),y.onLabelSelect.apply(this,i.filter("."+A.active))}},remove:{click:function(){var t=e(this).parent();t.hasClass(A.active)?S.remove.activeLabels():S.remove.activeLabels(t)}},test:{toggle:function(e){var t=S.is.multiple()?S.show:S.toggle;S.determine.eventOnElement(e,t)&&e.preventDefault()},touch:function(e){S.determine.eventOnElement(e,function(){"touchstart"==e.type?S.timer=setTimeout(S.hide,y.delay.touch):"touchmove"==e.type&&clearTimeout(S.timer)}),e.stopPropagation()},hide:function(e){S.determine.eventInModule(e,S.hide)}},menu:{mousedown:function(){W=!0},mouseup:function(){W=!1}},item:{mouseenter:function(t){var n=e(this).children(I.menu),i=e(this).siblings(I.item).children(I.menu);n.length>0&&(clearTimeout(S.itemTimer),S.itemTimer=setTimeout(function(){S.verbose("Showing sub-menu",n),e.each(i,function(){S.animate.hide(!1,e(this))}),S.animate.show(!1,n)},y.delay.show),t.preventDefault())},mouseleave:function(t){var n=e(this).children(I.menu);n.length>0&&(clearTimeout(S.itemTimer),S.itemTimer=setTimeout(function(){S.verbose("Hiding sub-menu",n),S.animate.hide(!1,n)},y.delay.hide))},click:function(t){var n=e(this),i=e(t?t.target:""),a=n.find(I.menu),o=S.get.choiceText(n),s=S.get.choiceValue(n,o),r=a.length>0,l=a.find(i).length>0;l||r&&!y.allowCategorySelection||(y.useLabels||S.remove.searchTerm(),S.determine.selectAction.call(this,o,s))}},document:{keydown:function(e){var t=e.which,n=S.get.shortcutKeys(),i=S.is.inObject(t,n);if(i){var a=E.find(I.label),o=a.filter("."+A.active),s=(o.data("value"),a.index(o)),r=a.length,l=o.length>0,c=o.length>1,u=0===s,d=s+1==r,v=S.is.searchSelection(),m=S.is.focusedOnSearch(),f=S.is.focused(),h=m&&0===S.get.caretPosition();if(v&&!l&&!m)return;t==n.leftArrow?!f&&!h||l?l&&(e.shiftKey?S.verbose("Adding previous label to selection"):(S.verbose("Selecting previous label"),a.removeClass(A.active)),u&&!c?o.addClass(A.active):o.prev(I.siblingLabel).addClass(A.active).end(),e.preventDefault()):(S.verbose("Selecting previous label"),a.last().addClass(A.active)):t==n.rightArrow?(f&&!l&&a.first().addClass(A.active),l&&(e.shiftKey?S.verbose("Adding next label to selection"):(S.verbose("Selecting next label"),a.removeClass(A.active)),d?v?m?a.removeClass(A.active):S.focusSearch():c?o.next(I.siblingLabel).addClass(A.active):o.addClass(A.active):o.next(I.siblingLabel).addClass(A.active),e.preventDefault())):t==n.deleteKey||t==n.backspace?l?(S.verbose("Removing active labels"),d&&v&&!m&&S.focusSearch(),o.last().next(I.siblingLabel).addClass(A.active),S.remove.activeLabels(o),e.preventDefault()):h&&!l&&t==n.backspace&&(S.verbose("Removing last label on input backspace"),o=a.last().addClass(A.active),S.remove.activeLabels(o)):o.removeClass(A.active)}}},keydown:function(e){var t=e.which,n=S.get.shortcutKeys(),i=S.is.inObject(t,n);if(i){var a,o,s=N.not(I.unselectable).filter("."+A.selected).eq(0),r=U.children("."+A.active).eq(0),l=s.length>0?s:r,c=l.length>0?l.siblings(":not(."+A.filtered+")").andSelf():U.children(":not(."+A.filtered+")"),u=l.children(I.menu),d=l.closest(I.menu),v=d.hasClass(A.visible)||d.hasClass(A.animating)||d.parent(I.menu).length>0,m=u.length>0,f=l.length>0,h=l.not(I.unselectable).length>0;if(S.is.visible()){if((t==n.enter||t==n.delimiter)&&(t==n.enter&&f&&m&&!y.allowCategorySelection?(S.verbose("Pressed enter on unselectable category, opening sub menu"),t=n.rightArrow):h&&(S.verbose("Selecting item from keyboard shortcut",l),S.event.item.click.call(l,e),y.useLabels&&S.is.searchSelection()?S.hideAndClear():S.remove.searchTerm()),e.preventDefault()),t==n.leftArrow&&(o=d[0]!==U[0],o&&(S.verbose("Left key pressed, closing sub-menu"),S.animate.hide(!1,d),l.removeClass(A.selected),d.closest(I.item).addClass(A.selected),e.preventDefault())),t==n.rightArrow&&m&&(S.verbose("Right key pressed, opening sub-menu"),S.animate.show(!1,u),l.removeClass(A.selected),u.find(I.item).eq(0).addClass(A.selected),e.preventDefault()),t==n.upArrow){if(a=f&&v?l.prevAll(I.item+":not("+I.unselectable+")").eq(0):N.eq(0),c.index(a)<0)return S.verbose("Up key pressed but reached top of current menu"),void e.preventDefault();S.verbose("Up key pressed, changing active item"),l.removeClass(A.selected),a.addClass(A.selected),S.set.scrollPosition(a),e.preventDefault()}if(t==n.downArrow){if(a=f&&v?a=l.nextAll(I.item+":not("+I.unselectable+")").eq(0):N.eq(0),0===a.length)return S.verbose("Down key pressed but reached bottom of current menu"),void e.preventDefault();S.verbose("Down key pressed, changing active item"),N.removeClass(A.selected),a.addClass(A.selected),S.set.scrollPosition(a),e.preventDefault()}t==n.pageUp&&(S.scrollPage("up"),e.preventDefault()),t==n.pageDown&&(S.scrollPage("down"),e.preventDefault()),t==n.escape&&(S.verbose("Escape key pressed, closing dropdown"),S.hide())}else t==n.delimiter&&e.preventDefault(),t==n.downArrow&&(S.verbose("Down key pressed, showing dropdown"),S.show(),e.preventDefault())}else S.is.selection()&&!S.is.search()&&S.set.selectedLetter(String.fromCharCode(t))}},determine:{selectAction:function(t,n){S.verbose("Determining action",y.action),e.isFunction(S.action[y.action])?(S.verbose("Triggering preset action",y.action,t,n),S.action[y.action].call(this,t,n)):e.isFunction(y.action)?(S.verbose("Triggering user action",y.action,t,n),y.action.call(this,t,n)):S.error(R.action,y.action)},eventInModule:function(t,n){return n=e.isFunction(n)?n:function(){},0===e(t.target).closest(E).length?(S.verbose("Triggering event",n),n(),!0):(S.verbose("Event occurred in dropdown, canceling callback"),!1)},eventOnElement:function(t,n){var i=e(t.target);return n=e.isFunction(n)?n:function(){},0===i.closest(U).length?(S.verbose("Triggering event",n),n(),!0):(S.verbose("Event occurred in dropdown menu, canceling callback"),!1)}},action:{nothing:function(){},activate:function(t,n){n=n!==i?n:t,S.set.selected(n,e(this)),(!S.is.multiple()||S.is.allFiltered())&&S.hideAndClear()},select:function(e,t){S.action.activate.call(this)},combo:function(t,n){n=n!==i?n:t,S.set.selected(n,e(this)),S.hideAndClear()},hide:function(){S.hideAndClear()}},get:{id:function(){return w},text:function(){return P.text()},query:function(){return e.trim(M.val())},searchWidth:function(e){return e*y.glyphWidth+"em"},selectionCount:function(){var t=S.get.values();return S.is.multiple()?e.isArray(t)?t.length:0:""!==S.get.value()?1:0},transition:function(e){return"auto"==y.transition?S.is.upward(e)?"slide up":"slide down":y.transition},userValues:function(){var t=S.get.values();return t?(t=e.isArray(t)?t:[t],e.grep(t,function(e){return S.get.item(e)===!1})):!1},uniqueArray:function(t){return e.grep(t,function(n,i){return e.inArray(n,t)===i})},caretPosition:function(){var e,t,i=M.get(0);return"selectionStart"in i?i.selectionStart:n.selection?(i.focus(),e=n.selection.createRange(),t=e.text.length,e.moveStart("character",-i.value.length),e.text.length-t):void 0},shortcutKeys:function(){return{backspace:8,delimiter:188,deleteKey:46,enter:13,escape:27,pageUp:33,pageDown:34,leftArrow:37,upArrow:38,rightArrow:39,downArrow:40}},value:function(){return z.length>0?z.val():E.data(k.value)},values:function(){var e=S.get.value();return""===e?"":!z.is("select")&&S.is.multiple()?"string"==typeof e?e.split(y.delimiter):"":e},remoteValues:function(){var t=S.get.values(),n=!1;return t&&("string"==typeof t&&(t=[t]),n={},e.each(t,function(e,t){var i=S.read.remoteData(t);S.verbose("Restoring value from session data",i,t),n[t]=i?i:t})),n},choiceText:function(e,t){return t=t!==i?t:y.preserveHTML,e?(e.find(I.menu).length>0&&(S.verbose("Retreiving text of element with sub-menu"),e=e.clone(),e.find(I.menu).remove(),e.find(I.menuIcon).remove()),e.data(k.text)!==i?e.data(k.text):t?e.html().trim():e.text().trim()):void 0},choiceValue:function(e,t){return t=t||S.get.choiceText(e),e?e.data(k.value)!==i?e.data(k.value):"string"==typeof t?t.toLowerCase().trim():t:!1},inputEvent:function(){var e=M[0];return e?e.oninput!==i?"input":e.onpropertychange!==i?"propertychange":"keyup":!1},selectValues:function(){var t={};return t.values=[],E.find("option").each(function(){var n=e(this),a=n.html(),o=n.attr("disabled"),s=n.attr("value")!==i?n.attr("value"):a;"auto"===y.placeholder&&""===s?t.placeholder=a:t.values.push({name:a,value:s,disabled:o})}),y.placeholder&&"auto"!==y.placeholder&&(S.debug("Setting placeholder value to",y.placeholder),t.placeholder=y.placeholder),y.sortSelect?(t.values.sort(function(e,t){return e.name>t.name?1:-1}),S.debug("Retrieved and sorted values from select",t)):S.debug("Retreived values from select",t),t},activeItem:function(){return N.filter("."+A.active)},selectedItem:function(){var e=N.not(I.unselectable).filter("."+A.selected);return e.length>0?e:N.eq(0)},itemWithAdditions:function(e){var t=S.get.item(e),n=S.create.userChoice(e),i=n&&n.length>0;return i&&(t=t.length>0?t.add(n):n),t},item:function(t,n){var a,o,s=!1;return t=t!==i?t:S.get.values()!==i?S.get.values():S.get.text(),a=o?t.length>0:t!==i&&""!==t&&null!==t,o=S.is.multiple()&&e.isArray(t),n=""===t||0===t?!0:n||!1,a&&N.each(function(){var 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