12 lines
No EOL
43 KiB
JavaScript
12 lines
No EOL
43 KiB
JavaScript
/*!
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* # Semantic UI 2.1.7 - 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.keys,D=y.metadata,I=y.namespace,R=y.regExp,q=y.selector,V=y.error,E=y.templates,O="."+I,F="module-"+I,P=e(this),M=e(y.context),H=P.find(q.text),z=P.find(q.search),j=P.find(q.input),U=P.find(q.icon),N=P.prev().find(q.text).length>0?P.prev().find(q.text):P.prev(),B=P.children(q.menu),W=B.find(q.item),K=!1,$=!1,Q=!1,Y=this,G=P.data(F);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),G=S,P.data(F,S)},destroy:function(){S.verbose("Destroying previous dropdown",P),S.remove.tabbable(),P.off(O).removeData(F),B.off(O),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(j[0],{childList:!0,subtree:!0}),S.has.menu()&&C.observe(B[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-"+D.value,s).attr("data-"+D.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(){B=e("<div />").addClass(T.menu).appendTo(P)}},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(),W.not(q.unselectable).eq(0).addClass(T.selected)},nextAvailable:function(e){e=e.eq(0);var t=e.nextAll(q.item).not(q.unselectable).eq(0),n=e.prevAll(q.item).not(q.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"),P.api(e)},layout:function(){P.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).prop("autocomplete","off").insertBefore(H)),y.allowTab&&S.set.tabbable()},select:function(){var t=S.get.selectValues();S.debug("Dropdown initialized on a select",t),P.is("select")&&(j=P),j.parent(q.dropdown).length>0?(S.debug("UI dropdown already exists. Creating dropdown menu only"),P=j.closest(q.dropdown),S.has.menu()||S.create.menu(),B=P.children(q.menu),S.setup.menu(t)):(S.debug("Creating entire dropdown from select"),P=e("<div />").attr("class",j.attr("class")).addClass(T.selection).addClass(T.dropdown).html(E.dropdown(t)).insertBefore(j),j.hasClass(T.multiple)&&j.prop("multiple")===!1&&(S.error(V.missingMultiple),j.prop("multiple",!0)),j.is("[multiple]")&&S.set.multiple(),j.prop("disabled")&&(S.debug("Disabling dropdown"),P.addClass(T.disabled)),j.removeAttr("class").detach().prependTo(P)),S.refresh()},menu:function(e){B.html(E.menu(e,k)),W=B.find(q.item)},reference:function(){S.debug("Dropdown behavior was called on select, replacing with closest dropdown"),P=P.parent(q.dropdown),S.refresh(),S.setup.returnedObject(),m&&(G=S,S.invoke(v))},returnedObject:function(){var e=s.slice(0,h),t=s.slice(h+1);s=e.add(P).add(t)}},refresh:function(){S.refreshSelectors(),S.refreshData()},refreshSelectors:function(){S.verbose("Refreshing selector cache"),H=P.find(q.text),z=P.find(q.search),j=P.find(q.input),U=P.find(q.icon),N=P.prev().find(q.text).length>0?P.prev().find(q.text):P.prev(),B=P.children(q.menu),W=B.find(q.item)},refreshData:function(){S.verbose("Refreshing cached metadata"),W.removeData(D.text).removeData(D.value),P.removeData(D.defaultText).removeData(D.defaultValue).removeData(D.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.has.allResultsFiltered()||S.remove.message(),y.onShow.call(Y)!==!1&&S.animate.show(function(){S.can.click()&&S.bind.intent(),S.set.visible(),t.call(Y)})}},hide:function(t){t=e.isFunction(t)?t:function(){},S.is.active()&&(S.debug("Hiding dropdown"),y.onHide.call(Y)!==!1&&S.animate.hide(function(){S.remove.visible(),t.call(Y)}))},hideOthers:function(){S.verbose("Finding other dropdowns to hide"),s.not(P).has(q.menu+"."+T.visible).dropdown("hide")},hideMenu:function(){S.verbose("Hiding menu instantaneously"),S.remove.active(),S.remove.visible(),B.transition("hide")},hideSubMenus:function(){var e=B.children(q.item).find(q.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()&&P.on("touchstart"+O,S.event.test.toggle),B.on("touchstart"+O,q.item,S.event.item.mouseenter)},keyboardEvents:function(){S.verbose("Binding keyboard events"),P.on("keydown"+O,S.event.keydown),S.has.search()&&P.on(S.get.inputEvent()+O,q.search,S.event.input),S.is.multiple()&&r.on("keydown"+b,S.event.document.keydown)},inputEvents:function(){S.verbose("Binding input change events"),P.on("change"+O,q.input,S.event.change)},mouseEvents:function(){S.verbose("Binding mouse events"),S.is.multiple()&&P.on("click"+O,q.label,S.event.label.click).on("click"+O,q.remove,S.event.remove.click),S.is.searchSelection()?(P.on("mousedown"+O,q.menu,S.event.menu.mousedown).on("mouseup"+O,q.menu,S.event.menu.mouseup).on("click"+O,q.icon,S.event.icon.click).on("click"+O,q.search,S.show).on("focus"+O,q.search,S.event.search.focus).on("blur"+O,q.search,S.event.search.blur).on("click"+O,q.text,S.event.text.focus),S.is.multiple()&&P.on("click"+O,S.event.click)):("click"==y.on?P.on("click"+O,q.icon,S.event.icon.click).on("click"+O,S.event.test.toggle):"hover"==y.on?P.on("mouseenter"+O,S.delay.show).on("mouseleave"+O,S.delay.hide):P.on(y.on+O,S.toggle),P.on("mousedown"+O,S.event.mousedown).on("mouseup"+O,S.event.mouseup).on("focus"+O,S.event.focus).on("blur"+O,S.event.blur)),B.on("mouseenter"+O,q.item,S.event.item.mouseenter).on("mouseleave"+O,q.item,S.event.item.mouseleave).on("click"+O,q.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(Y,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(V.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[k.remoteValues]}),n()}};P.api("get request")||S.setup.api(),i=e.extend(!0,{},i,y.apiSettings),P.api("setting",i).api("query")},filterItems:function(t){var n=t!==i?t:S.get.query(),a=null,o=S.escape.regExp(n),s=new RegExp("^"+o,"igm");S.has.query()&&(a=[],S.verbose("Searching for matching values",n),W.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.push(this),!0;if(y.fullTextSearch&&S.fuzzySearch(n,t))return a.push(this),!0}if("both"==y.match||"value"==y.match){if(i=String(S.get.choiceValue(o,t)),-1!==i.search(s))return a.push(this),!0;if(y.fullTextSearch&&S.fuzzySearch(n,i))return a.push(this),!0}})),S.debug("Showing only matched items",n),S.remove.filteredItem(),a&&W.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&&W.filter("."+T.active).addClass(T.filtered)},focusSearch:function(){S.is.search()&&!S.is.focusedOnSearch()&&z[0].focus()},forceSelection:function(){var e=W.not(T.filtered).filter("."+T.selected).eq(0),t=W.not(T.filtered).filter("."+T.active).eq(0),n=e.length>0?e:t,i=n.size()>0;if(S.has.query()){if(i)return S.debug("Forcing partial selection to selected item",n),void S.event.item.click.call(n);S.remove.searchTerm()}S.hide()},event:{change:function(){Q||(S.debug("Input changed, updating selection"),S.set.selected())},focus:function(){y.showOnFocus&&!K&&S.is.hidden()&&!p&&S.show()},click:function(t){var n=e(t.target);n.is(P)&&!S.is.focusedOnSearch()&&S.focusSearch()},blur:function(e){p=n.activeElement===this,K||p||(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.search(),S.show())},blur:function(e){p=n.activeElement===this,$||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){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=P.find(q.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(){$=!0},mouseup:function(){$=!1}},item:{mouseenter:function(t){var n=e(this).children(q.menu),i=e(this).siblings(q.item).children(q.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(q.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(q.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.is.inObject(t,L);if(n){var i=P.find(q.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==L.leftArrow?!m&&!f||r?r&&(e.shiftKey?S.verbose("Adding previous label to selection"):(S.verbose("Selecting previous label"),i.removeClass(T.active)),c&&!l?a.addClass(T.active):a.prev(q.siblingLabel).addClass(T.active).end(),e.preventDefault()):(S.verbose("Selecting previous label"),i.last().addClass(T.active)):t==L.rightArrow?(m&&!r&&i.first().addClass(T.active),r&&(e.shiftKey?S.verbose("Adding next label to selection"):(S.verbose("Selecting next label"),i.removeClass(T.active)),u?d?v?i.removeClass(T.active):S.focusSearch():l?a.next(q.siblingLabel).addClass(T.active):a.addClass(T.active):a.next(q.siblingLabel).addClass(T.active),e.preventDefault())):t==L.deleteKey||t==L.backspace?r?(S.verbose("Removing active labels"),u&&d&&!v&&S.focusSearch(),a.last().next(q.siblingLabel).addClass(T.active),S.remove.activeLabels(a),e.preventDefault()):f&&!r&&t==L.backspace&&(S.verbose("Removing last label on input backspace"),a=i.last().addClass(T.active),S.remove.activeLabels(a)):a.removeClass(T.active)}}},keydown:function(e){var t=e.which,n=S.is.inObject(t,L);if(n){var i,a,o=W.not(q.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(q.menu),u=r.closest(q.menu),d=u.hasClass(T.visible)||u.hasClass(T.animating)||u.parent(q.menu).length>0,v=c.length>0,m=r.length>0,f=r.not(q.unselectable).length>0,h=t==L.delimiter&&y.allowAdditions&&S.is.multiple();if(S.is.visible()){if((t==L.enter||h)&&(t==L.enter&&m&&v&&!y.allowCategorySelection?(S.verbose("Pressed enter on unselectable category, opening sub menu"),t=L.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()),t==L.leftArrow&&(a=u[0]!==B[0],a&&(S.verbose("Left key pressed, closing sub-menu"),S.animate.hide(!1,u),r.removeClass(T.selected),u.closest(q.item).addClass(T.selected),e.preventDefault())),t==L.rightArrow&&v&&(S.verbose("Right key pressed, opening sub-menu"),S.animate.show(!1,c),r.removeClass(T.selected),c.find(q.item).eq(0).addClass(T.selected),e.preventDefault()),t==L.upArrow){if(i=m&&d?r.prevAll(q.item+":not("+q.unselectable+")").eq(0):W.eq(0),l.index(i)<0)return S.verbose("Up key pressed but reached top of current menu"),void e.preventDefault();S.verbose("Up key pressed, changing active item"),r.removeClass(T.selected),i.addClass(T.selected),S.set.scrollPosition(i),e.preventDefault()}if(t==L.downArrow){if(i=m&&d?i=r.nextAll(q.item+":not("+q.unselectable+")").eq(0):W.eq(0),0===i.length)return S.verbose("Down key pressed but reached bottom of current menu"),void e.preventDefault();S.verbose("Down key pressed, changing active item"),W.removeClass(T.selected),i.addClass(T.selected),S.set.scrollPosition(i),e.preventDefault()}t==L.pageUp&&(S.scrollPage("up"),e.preventDefault()),t==L.pageDown&&(S.scrollPage("down"),e.preventDefault()),t==L.escape&&(S.verbose("Escape key pressed, closing dropdown"),S.hide())}else h&&e.preventDefault(),t==L.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))}},trigger:{change:function(){var e=n.createEvent("HTMLEvents"),t=j[0];t&&(S.verbose("Triggering native change event"),e.initEvent("change",!0,!1),t.dispatchEvent(e))}},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(V.action,y.action)},eventInModule:function(t,i){var a=e(t.target),o=a.closest(n.documentElement).length>0,s=a.closest(P).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(q.siblingLabel),o=0===P.find(a).length,s=0===i.closest(B).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 P.data(D.defaultText)},defaultValue:function(){return P.data(D.defaultValue)},placeholderText:function(){return P.data(D.placeholderText)||""},text:function(){return H.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},value:function(){var t=j.length>0?j.val():P.data(D.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(q.menu).length>0&&(S.verbose("Retreiving text of element with 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|
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