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