/*!
 * # Semantic UI 2.0.0 - Dropdown
 * http://github.com/semantic-org/semantic-ui/
 *
 *
 * Copyright 2014 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),l=e(n),r=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,p,b,w,C=e.isPlainObject(a)?e.extend(!0,{},e.fn.dropdown.settings,a):e.extend({},e.fn.dropdown.settings),x=C.className,y=C.message,S=C.metadata,T=C.namespace,A=C.regExp,k=C.selector,L=C.error,D=C.templates,q="."+T,E="module-"+T,I=e(this),V=I.find(k.text),O=I.find(k.search),F=I.find(k.input),R=I.find(k.icon),M=I.prev().find(k.text).length>0?I.prev().find(k.text):I.prev(),z=I.children(k.menu),P=z.find(k.item),H=!1,j=!1,U=this,K=I.data(E);w={initialize:function(){w.debug("Initializing dropdown",C),w.is.alreadySetup()?w.setup.reference():(w.setup.layout(),w.save.defaults(),w.set.selected(),w.is.multiple()&&(C.allowAdditions&&(C.useLabels||(w.error(L.labels),C.useLabels=!0),w.create.userLabels()),w.check.maxSelections()),w.create.id(),c&&w.bind.touchEvents(),w.bind.mouseEvents(),w.bind.keyboardEvents(),w.observeChanges(),w.instantiate())},instantiate:function(){w.verbose("Storing instance of dropdown",w),K=w,I.data(E,w)},destroy:function(){w.verbose("Destroying previous dropdown for",I),w.remove.tabbable(),I.off(q).removeData(E),z.off(q),l.off(h),p&&p.disconnect(),b&&b.disconnect()},observeChanges:function(){"MutationObserver"in t&&(p=new MutationObserver(function(e){w.debug("<select> modified, recreating menu"),w.setup.select()}),b=new MutationObserver(function(e){w.debug("Menu modified, updating selector cache"),w.refresh()}),w.has.input()&&p.observe(F[0],{childList:!0,subtree:!0}),w.has.menu()&&b.observe(z[0],{childList:!0,subtree:!0}),w.debug("Setting up mutation observer",p,b))},create:{id:function(){g=(Math.random().toString(16)+"000000000").substr(2,8),h="."+g,w.verbose("Creating unique id for element",g)},userLabels:function(){var t=w.get.userValues();t&&(w.debug("Adding user labels",t),e.each(t,function(e,t){w.verbose("Adding custom user value"),w.add.label(t,t)}))}},search:function(e){e=e!==i?e:w.get.query(),w.verbose("Searching for query",e),w.filter(e),C.allowAdditions&&w.add.userChoice(e),w.is.searchSelection()&&w.can.show()&&w.show()},select:{firstUnfiltered:function(){w.verbose("Selecting first non-filtered element"),w.remove.selectedItem(),P.not("."+x.filtered).eq(0).addClass(x.selected)},nextAvailable:function(e){e=e.eq(0);var t=e.nextAll(k.item).not("."+x.filtered).eq(0),n=e.prevAll(k.item).not("."+x.filtered).eq(0),i=t.length>0;i?(w.verbose("Moving selection to",t),t.addClass(x.selected)):(w.verbose("Moving selection to",n),n.addClass(x.selected))}},setup:{layout:function(){I.is("select")&&w.setup.select(),w.is.search()&&!w.has.search()&&(w.verbose("Adding search input"),O=e("<input />").addClass(x.search).insertBefore(V)),C.allowTab&&w.set.tabbable()},select:function(){var t=w.get.selectValues();w.debug("Dropdown initialized on a select",t),I.is("select")&&(F=I),F.parent(k.dropdown).length>0?(w.debug("UI dropdown already exists. Creating dropdown menu only"),I=F.closest(k.dropdown),z=I.children(k.menu),0===z.length&&(z=e("<div />").addClass(x.menu).appendTo(I)),z.html(D.menu(t))):(w.debug("Creating entire dropdown from select"),I=e("<div />").attr("class",F.attr("class")).addClass(x.selection).addClass(x.dropdown).html(D.dropdown(t)).insertBefore(F),F.removeAttr("class").detach().prependTo(I)),F.is("[multiple]")&&w.set.multiple(),w.refresh()},reference:function(){var e,t,n=s.index(I);w.debug("Dropdown behavior was called on select, replacing with closest dropdown"),I=I.parent(k.dropdown),w.refresh(),e=s.slice(0,n),t=s.slice(n+1),s=e.add(I).add(t),m&&(K=w,w.invoke(v))}},refresh:function(){w.verbose("Refreshing selector cache"),V=I.find(k.text),O=I.find(k.search),F=I.find(k.input),R=I.find(k.icon),M=I.prev().find(k.text).length>0?I.prev().find(k.text):I.prev(),z=I.children(k.menu),P=z.find(k.item)},toggle:function(){w.verbose("Toggling menu visibility"),w.is.active()?w.hide():w.show()},show:function(t){if(t=e.isFunction(t)?t:function(){},w.can.show()&&!w.is.active()){if(w.debug("Showing dropdown"),w.is.multiple()&&!w.has.search()&&w.is.allFiltered())return!0;w.animate.show(function(){w.can.click()&&w.bind.intent(),w.set.visible(),t.call(U)}),C.onShow.call(U)}},hide:function(t){t=e.isFunction(t)?t:function(){},w.is.active()&&(w.debug("Hiding dropdown"),w.animate.hide(function(){w.remove.visible(),t.call(U)}),C.onHide.call(U))},hideOthers:function(){w.verbose("Finding other dropdowns to hide"),s.not(I).has(k.menu+"."+x.visible).dropdown("hide")},hideMenu:function(){w.verbose("Hiding menu  instantaneously"),w.remove.active(),w.remove.visible(),z.transition("hide")},hideSubMenus:function(){var e=z.children(k.item).find(k.menu);w.verbose("Hiding sub menus",e),e.transition("hide")},bind:{keyboardEvents:function(){w.debug("Binding keyboard events"),I.on("keydown"+q,w.event.keydown),w.has.search()&&I.on(w.get.inputEvent()+q,k.search,w.event.input),w.is.multiple()&&l.on("keydown"+h,w.event.document.keydown)},touchEvents:function(){w.debug("Touch device detected binding additional touch events"),w.is.searchSelection()||I.on("touchstart"+q,w.event.test.toggle),z.on("touchstart"+q,k.item,w.event.item.mouseenter)},mouseEvents:function(){w.debug("Mouse detected binding mouse events"),w.is.multiple()&&I.on("click"+q,k.label,w.event.label.click).on("click"+q,k.remove,w.event.remove.click),w.is.searchSelection()?(I.on("mousedown"+q,k.menu,w.event.menu.mousedown).on("mouseup"+q,k.menu,w.event.menu.mouseup).on("click"+q,k.search,w.show).on("focus"+q,k.search,w.event.search.focus).on("blur"+q,k.search,w.event.search.blur).on("click"+q,k.text,w.event.text.focus),w.is.multiple()&&I.on("click"+q,w.event.click)):("click"==C.on?I.on("click"+q,w.event.test.toggle):"hover"==C.on?I.on("mouseenter"+q,w.delay.show).on("mouseleave"+q,w.delay.hide):I.on(C.on+q,w.toggle),I.on("mousedown"+q,w.event.mousedown).on("mouseup"+q,w.event.mouseup).on("focus"+q,w.event.focus).on("blur"+q,w.event.blur)),z.on("mouseenter"+q,k.item,w.event.item.mouseenter).on("mouseleave"+q,k.item,w.event.item.mouseleave).on("click"+q,k.item,w.event.item.click)},intent:function(){w.verbose("Binding hide intent event to document"),c&&l.on("touchstart"+h,w.event.test.touch).on("touchmove"+h,w.event.test.touch),l.on("click"+h,w.event.test.hide)}},unbind:{intent:function(){w.verbose("Removing hide intent event from document"),c&&l.off("touchstart"+h).off("touchmove"+h),l.off("click"+h)}},filter:function(t){var n,a,o=e();t=t!==i?t:w.get.query(),n=w.escape.regExp(t),a=new RegExp("^"+n,"igm"),w.has.maxSelections()||(""===t?o=P:(w.verbose("Searching for matching values",t),P.each(function(){var n,i,s=e(this);if("both"==C.match||"text"==C.match){if(n=String(w.get.choiceText(s,!1)),-1!==n.search(a))return o=o.add(s),!0;if(C.fullTextSearch&&w.fuzzySearch(t,n))return o=o.add(s),!0}if("both"==C.match||"value"==C.match){if(i=String(w.get.choiceValue(s,n)),-1!==i.search(a))return o=o.add(s),!0;if(C.fullTextSearch&&w.fuzzySearch(t,i))return o=o.add(s),!0}})),w.debug("Showing only matched items",t),w.remove.filteredItem(),P.not(o).addClass(x.filtered),w.is.multiple()&&w.filterActive(),w.select.firstUnfiltered(),w.has.allResultsFiltered()?C.onNoResults.call(U,t)?C.allowAdditions||(w.verbose("All items filtered, showing message",t),w.add.message(y.noResults)):(w.verbose("All items filtered, hiding dropdown",t),w.hideMenu()):w.remove.message())},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(){C.useLabels&&P.filter("."+x.active).addClass(x.filtered)},focusSearch:function(){w.is.search()&&!w.is.focusedOnSearch()&&O[0].focus()},forceSelection:function(){var e=P.not(x.filtered).filter("."+x.selected).eq(0),t=P.not(x.filtered).filter("."+x.active).eq(0),n=e.length>0?e:t,i=n.size()>0;i?(w.debug("Forcing partial selection to selected item",n),w.event.item.click.call(n),w.remove.filteredItem()):w.hide()},event:{focus:function(){C.showOnFocus&&!H&&w.is.hidden()&&w.show()},click:function(t){var n=e(t.target);!n.is(I)&&!n.is(R)||w.is.focusedOnSearch()||O.focus()},blur:function(e){var t=n.activeElement===this;H||t||(w.remove.activeLabel(),w.hide())},mousedown:function(){H=!0},mouseup:function(){H=!1},search:{focus:function(){H=!0,w.is.multiple()&&w.remove.activeLabel(),C.showOnFocus&&w.show()},blur:function(e){var t=n.activeElement===this;j||t||(w.is.multiple()?(w.remove.activeLabel(),w.hide()):C.forceSelection?w.forceSelection():w.hide())}},text:{focus:function(e){H=!0,O.focus()}},input:function(e){(w.is.multiple()||w.is.searchSelection())&&w.set.filtered(),clearTimeout(w.timer),w.timer=setTimeout(w.search,C.delay.search)},label:{click:function(t){var n=e(this),i=I.find(k.label),a=i.filter("."+x.active),o=n.nextAll("."+x.active),s=n.prevAll("."+x.active),l=o.length>0?n.nextUntil(o).add(a).add(n):n.prevUntil(s).add(a).add(n);t.shiftKey?(a.removeClass(x.active),l.addClass(x.active)):t.ctrlKey?n.toggleClass(x.active):(a.removeClass(x.active),n.addClass(x.active)),C.onLabelSelect.apply(this,i.filter("."+x.active))}},remove:{click:function(){var t=e(this).parent();t.hasClass(x.active)?w.remove.labels():w.remove.labels(t)}},test:{toggle:function(e){var t=w.is.multiple()?w.show:w.toggle;w.determine.eventOnElement(e,t)&&e.preventDefault()},touch:function(e){w.determine.eventOnElement(e,function(){"touchstart"==e.type?w.timer=setTimeout(w.hide,C.delay.touch):"touchmove"==e.type&&clearTimeout(w.timer)}),e.stopPropagation()},hide:function(e){w.determine.eventInModule(e,w.hide)}},menu:{mousedown:function(){j=!0},mouseup:function(){j=!1}},item:{mouseenter:function(t){var n=e(this).children(k.menu),i=e(this).siblings(k.item).children(k.menu);n.length>0&&(clearTimeout(w.itemTimer),w.itemTimer=setTimeout(function(){w.verbose("Showing sub-menu",n),e.each(i,function(){w.animate.hide(!1,e(this))}),w.animate.show(!1,n)},C.delay.show),t.preventDefault())},mouseleave:function(t){var n=e(this).children(k.menu);n.length>0&&(clearTimeout(w.itemTimer),w.itemTimer=setTimeout(function(){w.verbose("Hiding sub-menu",n),w.animate.hide(!1,n)},C.delay.hide))},click:function(t){var n=e(this),i=e(t?t.target:""),a=n.find(k.menu),o=w.get.choiceText(n),s=w.get.choiceValue(n,o),l=a.length>0,r=a.find(i).length>0;r||l&&!C.allowCategorySelection||w.determine.selectAction.call(this,o,s)}},document:{keydown:function(e){var t=e.which,n=w.get.shortcutKeys(),i=w.is.inObject(t,n);if(i){var a=I.find(k.label),o=a.filter("."+x.active),s=(o.data("value"),a.index(o)),l=a.length,r=o.length>0,c=o.length>1,u=0===s,d=s+1==l,v=w.is.searchSelection(),m=w.is.focusedOnSearch(),f=w.is.focused(),h=m&&0===w.get.caretPosition();if(v&&!r&&!m)return;t==n.leftArrow?!f&&!h||r?r&&(e.shiftKey?w.verbose("Adding previous label to selection"):(w.verbose("Selecting previous label"),a.removeClass(x.active)),u&&!c?o.addClass(x.active):o.prev(k.siblingLabel).addClass(x.active).end(),e.preventDefault()):(w.verbose("Selecting previous label"),a.last().addClass(x.active)):t==n.rightArrow?(f&&!r&&a.first().addClass(x.active),r&&(e.shiftKey?w.verbose("Adding next label to selection"):(w.verbose("Selecting next label"),a.removeClass(x.active)),d?v?m?a.removeClass(x.active):w.focusSearch():c?o.next(k.siblingLabel).addClass(x.active):o.addClass(x.active):o.next(k.siblingLabel).addClass(x.active),e.preventDefault())):t==n.deleteKey||t==n.backspace?r?(w.verbose("Removing active labels"),d&&v&&!m&&w.focusSearch(),o.last().next(k.siblingLabel).addClass(x.active),w.remove.labels(o),e.preventDefault()):h&&!r&&t==n.backspace&&(w.verbose("Removing last label on input backspace"),o=a.last().addClass(x.active),w.remove.labels(o),e.preventDefault()):o.removeClass(x.active)}}},keydown:function(e){var t=e.which,n=w.get.shortcutKeys(),i=w.is.inObject(t,n);if(i){var a,o,s=P.not("."+x.filtered).filter("."+x.selected).eq(0),l=z.children("."+x.active).eq(0),r=s.length>0?s:l,c=r.length>0?r.siblings(":not(."+x.filtered+")").andSelf():z.children(":not(."+x.filtered+")"),u=r.children(k.menu),d=r.closest(k.menu),v=d.hasClass(x.visible)||d.hasClass(x.animating)||d.parent(k.menu).length>0,m=u.length>0,f=r.length>0,h=r.not("."+x.filtered).length>0;if(w.is.visible()){if((t==n.enter||t==n.delimiter)&&(t==n.enter&&f&&m&&!C.allowCategorySelection?(w.verbose("Pressed enter on unselectable category, opening sub menu"),t=n.rightArrow):h&&(w.verbose("Selecting item from keyboard shortcut",r),w.event.item.click.call(r,e),C.useLabels&&w.is.searchSelection()?w.hideAndClear():w.remove.searchTerm()),e.preventDefault()),t==n.leftArrow&&(o=d[0]!==z[0],o&&(w.verbose("Left key pressed, closing sub-menu"),w.animate.hide(!1,d),r.removeClass(x.selected),d.closest(k.item).addClass(x.selected),e.preventDefault())),t==n.rightArrow&&m&&(w.verbose("Right key pressed, opening sub-menu"),w.animate.show(!1,u),r.removeClass(x.selected),u.find(k.item).eq(0).addClass(x.selected),e.preventDefault()),t==n.upArrow){if(a=f&&v?r.prevAll(k.item+":not(."+x.filtered+")").eq(0):P.eq(0),c.index(a)<0)return w.verbose("Up key pressed but reached top of current menu"),void e.preventDefault();w.verbose("Up key pressed, changing active item"),r.removeClass(x.selected),a.addClass(x.selected),w.set.scrollPosition(a),e.preventDefault()}if(t==n.downArrow){if(a=f&&v?a=r.nextAll(k.item+":not(."+x.filtered+")").eq(0):P.eq(0),0===a.length)return w.verbose("Down key pressed but reached bottom of current menu"),void e.preventDefault();w.verbose("Down key pressed, changing active item"),P.removeClass(x.selected),a.addClass(x.selected),w.set.scrollPosition(a),e.preventDefault()}t==n.pageUp&&(w.scrollPage("up"),e.preventDefault()),t==n.pageDown&&(w.scrollPage("down"),e.preventDefault()),t==n.escape&&(w.verbose("Escape key pressed, closing dropdown"),w.hide())}else t==n.delimiter&&e.preventDefault(),t==n.downArrow&&(w.verbose("Down key pressed, showing dropdown"),w.show(),e.preventDefault())}else w.is.selection()&&!w.is.search()&&w.set.selectedLetter(String.fromCharCode(t))}},determine:{selectAction:function(t,n){w.verbose("Determining action",C.action),e.isFunction(w.action[C.action])?(w.verbose("Triggering preset action",C.action,t,n),w.action[C.action].call(this,t,n)):e.isFunction(C.action)?(w.verbose("Triggering user action",C.action,t,n),C.action.call(this,t,n)):w.error(L.action,C.action)},eventInModule:function(t,n){return n=e.isFunction(n)?n:function(){},0===e(t.target).closest(I).length?(w.verbose("Triggering event",n),n(),!0):(w.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(z).length?(w.verbose("Triggering event",n),n(),!0):(w.verbose("Event occurred in dropdown menu, canceling callback"),!1)}},action:{nothing:function(){},activate:function(t,n){n=n!==i?n:t,w.set.selected(n,e(this)),(!w.is.multiple()||w.is.allFiltered())&&w.hideAndClear()},select:function(e,t){w.action.activate.call(this)},combo:function(t,n){n=n!==i?n:t,w.set.selected(n,e(this)),w.hideAndClear()},hide:function(){w.hideAndClear()}},get:{id:function(){return g},text:function(){return V.text()},query:function(){return e.trim(O.val())},searchWidth:function(e){return e*C.glyphWidth+"em"},selectionCount:function(){var t=w.get.values();return w.is.multiple()&&e.isArray(t)?t.length:""!==w.get.value()?1:0},userValues:function(){var t=w.get.values();return t?e.grep(t,function(e){return w.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=O.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 F.length>0?F.val():I.data(S.value)},values:function(){var e=w.get.value();return""===e?"":!F.is("select")&&w.is.multiple()?"string"==typeof e?e.split(C.delimiter):"":e},choiceText:function(e,t){return t=t!==i?t:C.preserveHTML,e?(e.find(k.menu).length>0&&(w.verbose("Retreiving text of element with sub-menu"),e=e.clone(),e.find(k.menu).remove(),e.find(k.menuIcon).remove()),e.data(S.text)!==i?e.data(S.text):t?e.html().trim():e.text().trim()):void 0},choiceValue:function(e,t){return t=t||w.get.choiceText(e),e?e.data(S.value)!==i?e.data(S.value):"string"==typeof t?t.toLowerCase().trim():t:!1},inputEvent:function(){var e=O[0];return e?e.oninput!==i?"input":e.onpropertychange!==i?"propertychange":"keyup":!1},selectValues:function(){var t={};return t.values=[],I.find("option").each(function(){var n=e(this).html(),a=e(this).attr("value")!==i?e(this).attr("value"):n;"auto"===C.placeholder&&""===a?t.placeholder=n:t.values.push({name:n,value:a})}),C.placeholder&&"auto"!==C.placeholder&&(w.debug("Setting placeholder value to",C.placeholder),t.placeholder=C.placeholder),C.sortSelect?(t.values.sort(function(e,t){return e.name>t.name?1:-1}),w.debug("Retrieved and sorted values from select",t)):w.debug("Retreived values from select",t),t},activeItem:function(){return P.filter("."+x.active)},selectedItem:function(){var e=P.not("."+x.filtered).filter("."+x.selected);return e.length>0?e:P.eq(0)},item:function(t,n){var a,o=!1;return t=t!==i?t:w.get.values()!==i?w.get.values():w.get.text(),a=w.is.multiple()&&e.isArray(t),n=""===t||0===t?!0:n||!1,t!==i&&P.each(function(){var i=e(this),s=w.get.choiceText(i),l=w.get.choiceValue(i,s);if(a)(-1!==e.inArray(l.toString(),t)||-1!==e.inArray(s,t))&&(o=o?o.add(i):i);else if(n){if(w.verbose("Ambiguous dropdown value using strict type check",i,t),l===t||s===t)return o=i,!0}else if(l==t||s==t)return w.verbose("Found select item by value",l,t),o=i,!0}),o}},check:{maxSelections:function(e){return C.maxSelections?(e=e!==i?e:w.get.selectionCount(),e>=C.maxSelections?(w.debug("Maximum selection count reached"),P.addClass(x.filtered),w.add.message(y.maxSelections),!0):(w.verbose("No longer maximum selection count, removing 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