12 lines
42 KiB
JavaScript
12 lines
42 KiB
JavaScript
/*!
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* # Semantic UI 2.1.3 - 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,p,b,w,x,C,S,y=e.isPlainObject(a)?e.extend(!0,{},e.fn.dropdown.settings,a):e.extend({},e.fn.dropdown.settings),T=y.className,A=y.message,k=y.fields,L=y.metadata,D=y.namespace,I=y.regExp,R=y.selector,q=y.error,V=y.templates,E="."+D,O="module-"+D,F=e(this),P=e(y.context),M=F.find(R.text),z=F.find(R.search),H=F.find(R.input),j=F.find(R.icon),U=F.prev().find(R.text).length>0?F.prev().find(R.text):F.prev(),N=F.children(R.menu),K=N.find(R.item),B=!1,W=!1,$=!1,Q=this,Y=F.data(O);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(),S.bind.events(),S.observeChanges(),S.instantiate())},instantiate:function(){S.verbose("Storing instance of dropdown",S),Y=S,F.data(O,S)},destroy:function(){S.verbose("Destroying previous dropdown",F),S.remove.tabbable(),F.off(E).removeData(O),N.off(E),r.off(b),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(H[0],{childList:!0,subtree:!0}),S.has.menu()&&C.observe(N[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),b="."+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.add.variables(A.addResult,s)),a=e("<div />").html(o).attr("data-"+L.value,s).attr("data-"+L.text,s).addClass(T.addition).addClass(T.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)}))},menu:function(){N=e("<div />").addClass(T.menu).appendTo(F)}},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(),K.not(R.unselectable).eq(0).addClass(T.selected)},nextAvailable:function(e){e=e.eq(0);var t=e.nextAll(R.item).not(R.unselectable).eq(0),n=e.prevAll(R.item).not(R.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:y.debug,on:!1};S.verbose("First request, initializing API"),F.api(e)},layout:function(){F.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"),z=e("<input />").addClass(T.search).insertBefore(M)),y.allowTab&&S.set.tabbable()},select:function(){var t=S.get.selectValues();S.debug("Dropdown initialized on a select",t),F.is("select")&&(H=F),H.parent(R.dropdown).length>0?(S.debug("UI dropdown already exists. Creating dropdown menu only"),F=H.closest(R.dropdown),S.has.menu()||S.create.menu(),N=F.children(R.menu),S.setup.menu(t)):(S.debug("Creating entire dropdown from select"),F=e("<div />").attr("class",H.attr("class")).addClass(T.selection).addClass(T.dropdown).html(V.dropdown(t)).insertBefore(H),H.hasClass(T.multiple)&&H.prop("multiple")===!1&&(S.error(q.missingMultiple),H.prop("multiple",!0)),H.is("[multiple]")&&S.set.multiple(),H.removeAttr("class").detach().prependTo(F)),S.refresh()},menu:function(e){N.html(V.menu(e,k)),K=N.find(R.item)},reference:function(){S.debug("Dropdown behavior was called on select, replacing with closest dropdown"),F=F.parent(R.dropdown),S.refresh(),S.setup.returnedObject(),m&&(Y=S,S.invoke(v))},returnedObject:function(){var e=s.slice(0,h),t=s.slice(h+1);s=e.add(F).add(t)}},refresh:function(){S.refreshSelectors(),S.refreshData()},refreshSelectors:function(){S.verbose("Refreshing selector cache"),M=F.find(R.text),z=F.find(R.search),H=F.find(R.input),j=F.find(R.icon),U=F.prev().find(R.text).length>0?F.prev().find(R.text):F.prev(),N=F.children(R.menu),K=N.find(R.item)},refreshData:function(){S.verbose("Refreshing cached metadata"),K.removeData(L.text).removeData(L.value),F.removeData(L.defaultText).removeData(L.defaultValue).removeData(L.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.has.message()&&!S.has.maxSelections()&&S.remove.message(),y.onShow.call(Q)!==!1&&S.animate.show(function(){S.can.click()&&S.bind.intent(),S.set.visible(),t.call(Q)})}},hide:function(t){t=e.isFunction(t)?t:function(){},S.is.active()&&(S.debug("Hiding dropdown"),y.onHide.call(Q)!==!1&&S.animate.hide(function(){S.remove.visible(),t.call(Q)}))},hideOthers:function(){S.verbose("Finding other dropdowns to hide"),s.not(F).has(R.menu+"."+T.visible).dropdown("hide")},hideMenu:function(){S.verbose("Hiding menu instantaneously"),S.remove.active(),S.remove.visible(),N.transition("hide")},hideSubMenus:function(){var e=N.children(R.item).find(R.menu);S.verbose("Hiding sub menus",e),e.transition("hide")},bind:{events:function(){c&&S.bind.touchEvents(),S.bind.keyboardEvents(),S.bind.inputEvents(),S.bind.mouseEvents()},touchEvents:function(){S.debug("Touch device detected binding additional touch events"),S.is.searchSelection()||S.is.single()&&F.on("touchstart"+E,S.event.test.toggle),N.on("touchstart"+E,R.item,S.event.item.mouseenter)},keyboardEvents:function(){S.verbose("Binding keyboard events"),F.on("keydown"+E,S.event.keydown),S.has.search()&&F.on(S.get.inputEvent()+E,R.search,S.event.input),S.is.multiple()&&r.on("keydown"+b,S.event.document.keydown)},inputEvents:function(){S.verbose("Binding input change events"),F.on("change"+E,R.input,S.event.change)},mouseEvents:function(){S.verbose("Binding mouse events"),S.is.multiple()&&F.on("click"+E,R.label,S.event.label.click).on("click"+E,R.remove,S.event.remove.click),S.is.searchSelection()?(F.on("mousedown"+E,R.menu,S.event.menu.mousedown).on("mouseup"+E,R.menu,S.event.menu.mouseup).on("click"+E,R.icon,S.event.icon.click).on("click"+E,R.search,S.show).on("focus"+E,R.search,S.event.search.focus).on("blur"+E,R.search,S.event.search.blur).on("click"+E,R.text,S.event.text.focus),S.is.multiple()&&F.on("click"+E,S.event.click)):("click"==y.on?F.on("click"+E,R.icon,S.event.icon.click).on("click"+E,S.event.test.toggle):"hover"==y.on?F.on("mouseenter"+E,S.delay.show).on("mouseleave"+E,S.delay.hide):F.on(y.on+E,S.toggle),F.on("mousedown"+E,S.event.mousedown).on("mouseup"+E,S.event.mouseup).on("focus"+E,S.event.focus).on("blur"+E,S.event.blur)),N.on("mouseenter"+E,R.item,S.event.item.mouseenter).on("mouseleave"+E,R.item,S.event.item.mouseleave).on("click"+E,R.item,S.event.item.click)},intent:function(){S.verbose("Binding hide intent event to document"),c&&r.on("touchstart"+b,S.event.test.touch).on("touchmove"+b,S.event.test.touch),r.on("click"+b,S.event.test.hide)}},unbind:{intent:function(){S.verbose("Removing hide intent event from document"),c&&r.off("touchstart"+b).off("touchmove"+b),r.off("click"+b)}},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(Q,t)?y.allowAdditions||(S.verbose("All items filtered, showing message",t),S.add.message(A.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()};y.useLabels&&S.has.maxSelections()||(y.apiSettings?S.can.useAPI()?S.queryRemote(t,function(){n()}):S.error(q.noAPI):(S.filterItems(t),n()))},queryRemote:function(t,n){var i={errorDuration:!1,throttle:y.throttle,urlData:{query:t},onError:function(){S.add.message(A.serverError),n()},onFailure:function(){S.add.message(A.serverError),n()},onSuccess:function(e){S.remove.message(),S.setup.menu({values:e.results}),n()}};F.api("get request")||S.setup.api(),i=e.extend(!0,{},i,y.apiSettings),F.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");S.has.query()?(S.verbose("Searching for matching values",n),K.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}})):a=K,S.debug("Showing only matched items",n),S.remove.filteredItem(),K.not(a).addClass(T.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&&K.filter("."+T.active).addClass(T.filtered)},focusSearch:function(){S.is.search()&&!S.is.focusedOnSearch()&&z[0].focus()},forceSelection:function(){var e=K.not(T.filtered).filter("."+T.selected).eq(0),t=K.not(T.filtered).filter("."+T.active).eq(0),n=e.length>0?e:t,i=n.size()>0;i&&S.has.query()?(S.debug("Forcing partial selection to selected item",n),S.event.item.click.call(n)):S.hide()},event:{change:function(){$||(S.debug("Input changed, updating selection"),S.set.selected())},focus:function(){y.showOnFocus&&!B&&S.is.hidden()&&!p&&S.show()},click:function(t){var n=e(t.target);n.is(F)&&!S.is.focusedOnSearch()&&S.focusSearch()},blur:function(e){p=n.activeElement===this,B||p||(S.remove.activeLabel(),S.hide())},mousedown:function(){B=!0},mouseup:function(){B=!1},search:{focus:function(){B=!0,S.is.multiple()&&S.remove.activeLabel(),y.showOnFocus&&S.show()},blur:function(e){p=n.activeElement===this,W||p?p&&y.forceSelection&&S.forceSelection():S.is.multiple()?(S.remove.activeLabel(),S.hide()):y.forceSelection?S.forceSelection():S.hide()}},icon:{click:function(e){S.toggle(),e.stopPropagation()}},text:{focus:function(e){B=!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=F.find(R.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)),y.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.determine.eventOnElement(e,t)&&e.preventDefault()},touch:function(e){S.determine.eventOnElement(e,function(){"touchstart"==e.type?S.timer=setTimeout(function(){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(R.menu),i=e(this).siblings(R.item).children(R.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(R.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))},touchend:function(){},click:function(t){var n=e(this),i=e(t?t.target:""),a=n.find(R.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.filteredItem(),S.remove.searchTerm(),S.set.scrollPosition(n)),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=F.find(R.label),o=a.filter("."+T.active),s=(o.data(L.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(T.active)),u&&!c?o.addClass(T.active):o.prev(R.siblingLabel).addClass(T.active).end(),e.preventDefault()):(S.verbose("Selecting previous label"),a.last().addClass(T.active)):t==n.rightArrow?(f&&!l&&a.first().addClass(T.active),l&&(e.shiftKey?S.verbose("Adding next label to selection"):(S.verbose("Selecting next label"),a.removeClass(T.active)),d?v?m?a.removeClass(T.active):S.focusSearch():c?o.next(R.siblingLabel).addClass(T.active):o.addClass(T.active):o.next(R.siblingLabel).addClass(T.active),e.preventDefault())):t==n.deleteKey||t==n.backspace?l?(S.verbose("Removing active labels"),d&&v&&!m&&S.focusSearch(),o.last().next(R.siblingLabel).addClass(T.active),S.remove.activeLabels(o),e.preventDefault()):h&&!l&&t==n.backspace&&(S.verbose("Removing last label on input backspace"),o=a.last().addClass(T.active),S.remove.activeLabels(o)):o.removeClass(T.active)}}},keydown:function(e){var t=e.which,n=S.get.shortcutKeys(),i=S.is.inObject(t,n);if(i){var a,o,s=K.not(R.unselectable).filter("."+T.selected).eq(0),r=N.children("."+T.active).eq(0),l=s.length>0?s:r,c=l.length>0?l.siblings(":not(."+T.filtered+")").andSelf():N.children(":not(."+T.filtered+")"),u=l.children(R.menu),d=l.closest(R.menu),v=d.hasClass(T.visible)||d.hasClass(T.animating)||d.parent(R.menu).length>0,m=u.length>0,f=l.length>0,h=l.not(R.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),S.is.searchSelection()&&S.remove.searchTerm()),e.preventDefault()),t==n.leftArrow&&(o=d[0]!==N[0],o&&(S.verbose("Left key pressed, closing sub-menu"),S.animate.hide(!1,d),l.removeClass(T.selected),d.closest(R.item).addClass(T.selected),e.preventDefault())),t==n.rightArrow&&m&&(S.verbose("Right key pressed, opening sub-menu"),S.animate.show(!1,u),l.removeClass(T.selected),u.find(R.item).eq(0).addClass(T.selected),e.preventDefault()),t==n.upArrow){if(a=f&&v?l.prevAll(R.item+":not("+R.unselectable+")").eq(0):K.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(T.selected),a.addClass(T.selected),S.set.scrollPosition(a),e.preventDefault()}if(t==n.downArrow){if(a=f&&v?a=l.nextAll(R.item+":not("+R.unselectable+")").eq(0):K.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"),K.removeClass(T.selected),a.addClass(T.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(q.action,y.action)},eventInModule:function(t,i){var a=e(t.target),o=a.closest(n.documentElement).length>0,s=a.closest(F).length>0;return i=e.isFunction(i)?i:function(){},o&&!s?(S.verbose("Triggering event",i),i(),!0):(S.verbose("Event occurred in dropdown, canceling callback"),!1)},eventOnElement:function(t,n){var i=e(t.target),a=i.closest(R.siblingLabel),o=0===F.find(a).length,s=0===i.closest(N).length;return n=e.isFunction(n)?n:function(){},o&&s?(S.verbose("Triggering event",n),n(),!0):(S.verbose("Event occurred in dropdown menu, canceling callback"),!1)}},action:{nothing:function(){},activate:function(t,n){if(n=n!==i?n:t,S.can.activate(e(this))){if(S.set.selected(n,e(this)),S.is.multiple()&&!S.is.allFiltered())return;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(e,t){S.set.value(t),S.hideAndClear()}},get:{id:function(){return w},defaultText:function(){return F.data(L.defaultText)},defaultValue:function(){return F.data(L.defaultValue)},placeholderText:function(){return F.data(L.placeholderText)||""},text:function(){return M.text()},query:function(){return e.trim(z.val())},searchWidth:function(e){return e*y.glyphWidth+"em"},selectionCount:function(){var t,n=S.get.values();return t=S.is.multiple()?e.isArray(n)?n.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=z.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(){var t=H.length>0?H.val():F.data(L.value);return e.isArray(t)&&1===t.length&&""===t[0]?"":t},values:function(){var e=S.get.value();return""===e?"":!S.has.selectInput()&&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(t,n){return n=n!==i?n:y.preserveHTML,t?(t.find(R.menu).length>0&&(S.verbose("Retreiving text of element with sub-menu"),t=t.clone(),t.find(R.menu).remove(),t.find(R.menuIcon).remove()),t.data(L.text)!==i?t.data(L.text):n?e.trim(t.html()):e.trim(t.text())):void 0},choiceValue:function(t,n){return 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|
|
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