/*! jQuery UI - v1.9.2 - 2012年11月23日
* http://jqueryui.com
* Includes: jquery.ui.autocomplete.js
* Copyright 2012 jQuery Foundation and other contributors; Licensed MIT */
(function(e,t){var n=0;e.widget("ui.autocomplete",{version:"1.9.2",defaultElement:"<input>",options:{appendTo:"body",autoFocus:!1,delay:300,minLength:1,position:{my:"left top",at:"left bottom",collision:"none"},source:null,change:null,close:null,focus:null,open:null,response:null,search:null,select:null},pending:0,_create:function(){var t,n,r;this.isMultiLine=this._isMultiLine(),this.valueMethod=this.element[this.element.is("input,textarea")?"val":"text"],this.isNewMenu=!0,this.element.addClass("ui-autocomplete-input").attr("autocomplete","off"),this._on(this.element,{keydown:function(i){if(this.element.prop("readOnly")){t=!0,r=!0,n=!0;return}t=!1,r=!1,n=!1;var s=e.ui.keyCode;switch(i.keyCode){case s.PAGE_UP:t=!0,this._move("previousPage",i);break;case s.PAGE_DOWN:t=!0,this._move("nextPage",i);break;case s.UP:t=!0,this._keyEvent("previous",i);break;case s.DOWN:t=!0,this._keyEvent("next",i);break;case s.ENTER:case s.NUMPAD_ENTER:this.menu.active&&(t=!0,i.preventDefault(),this.menu.select(i));break;case s.TAB:this.menu.active&&this.menu.select(i);break;case s.ESCAPE:this.menu.element.is(":visible")&&(this._value(this.term),this.close(i),i.preventDefault());break;default:n=!0,this._searchTimeout(i)}},keypress:function(r){if(t){t=!1,r.preventDefault();return}if(n)return;var i=e.ui.keyCode;switch(r.keyCode){case i.PAGE_UP:this._move("previousPage",r);break;case i.PAGE_DOWN:this._move("nextPage",r);break;case i.UP:this._keyEvent("previous",r);break;case i.DOWN:this._keyEvent("next",r)}},input:function(e){if(r){r=!1,e.preventDefault();return}this._searchTimeout(e)},focus:function(){this.selectedItem=null,this.previous=this._value()},blur:function(e){if(this.cancelBlur){delete this.cancelBlur;return}clearTimeout(this.searching),this.close(e),this._change(e)}}),this._initSource(),this.menu=e("<ul>").addClass("ui-autocomplete").appendTo(this.document.find(this.options.appendTo||"body")[0]).menu({input:e(),role:null}).zIndex(this.element.zIndex()+1).hide().data("menu"),this._on(this.menu.element,{mousedown:function(t){t.preventDefault(),this.cancelBlur=!0,this._delay(function(){delete this.cancelBlur});var n=this.menu.element[0];e(t.target).closest(".ui-menu-item").length||this._delay(function(){var t=this;this.document.one("mousedown",function(r){r.target!==t.element[0]&&r.target!==n&&!e.contains(n,r.target)&&t.close()})})},menufocus:function(t,n){if(this.isNewMenu){this.isNewMenu=!1;if(t.originalEvent&&/^mouse/.test(t.originalEvent.type)){this.menu.blur(),this.document.one("mousemove",function(){e(t.target).trigger(t.originalEvent)});return}}var r=n.item.data("ui-autocomplete-item")||n.item.data("item.autocomplete");!1!==this._trigger("focus",t,{item:r})?t.originalEvent&&/^key/.test(t.originalEvent.type)&&this._value(r.value):this.liveRegion.text(r.value)},menuselect:function(e,t){var n=t.item.data("ui-autocomplete-item")||t.item.data("item.autocomplete"),r=this.previous;this.element[0]!==this.document[0].activeElement&&(this.element.focus(),this.previous=r,this._delay(function(){this.previous=r,this.selectedItem=n})),!1!==this._trigger("select",e,{item:n})&&this._value(n.value),this.term=this._value(),this.close(e),this.selectedItem=n}}),this.liveRegion=e("<span>",{role:"status","aria-live":"polite"}).addClass("ui-helper-hidden-accessible").insertAfter(this.element),e.fn.bgiframe&&this.menu.element.bgiframe(),this._on(this.window,{beforeunload:function(){this.element.removeAttr("autocomplete")}})},_destroy:function(){clearTimeout(this.searching),this.element.removeClass("ui-autocomplete-input").removeAttr("autocomplete"),this.menu.element.remove(),this.liveRegion.remove()},_setOption:function(e,t){this._super(e,t),e==="source"&&this._initSource(),e==="appendTo"&&this.menu.element.appendTo(this.document.find(t||"body")[0]),e==="disabled"&&t&&this.xhr&&this.xhr.abort()},_isMultiLine:function(){return this.element.is("textarea")?!0:this.element.is("input")?!1:this.element.prop("isContentEditable")},_initSource:function(){var t,n,r=this;e.isArray(this.options.source)?(t=this.options.source,this.source=function(n,r){r(e.ui.autocomplete.filter(t,n.term))}):typeof this.options.source=="string"?(n=this.options.source,this.source=function(t,i){r.xhr&&r.xhr.abort(),r.xhr=e.ajax({url:n,data:t,dataType:"json",success:function(e){i(e)},error:function(){i([])}})}):this.source=this.options.source},_searchTimeout:function(e){clearTimeout(this.searching),this.searching=this._delay(function(){this.term!==this._value()&&(this.selectedItem=null,this.search(null,e))},this.options.delay)},search:function(e,t){e=e!=null?e:this._value(),this.term=this._value();if(e.length<this.options.minLength)return this.close(t);if(this._trigger("search",t)===!1)return;return this._search(e)},_search:function(e){this.pending++,this.element.addClass("ui-autocomplete-loading"),this.cancelSearch=!1,this.source({term:e},this._response())},_response:function(){var e=this,t=++n;return function(r){t===n&&e.__response(r),e.pending--,e.pending||e.element.removeClass("ui-autocomplete-loading")}},__response:function(e){e&&(e=this._normalize(e)),this._trigger("response",null,{content:e}),!this.options.disabled&&e&&e.length&&!this.cancelSearch?(this._suggest(e),this._trigger("open")):this._close()},close:function(e){this.cancelSearch=!0,this._close(e)},_close:function(e){this.menu.element.is(":visible")&&(this.menu.element.hide(),this.menu.blur(),this.isNewMenu=!0,this._trigger("close",e))},_change:function(e){this.previous!==this._value()&&this._trigger("change",e,{item:this.selectedItem})},_normalize:function(t){return t.length&&t[0].label&&t[0].value?t:e.map(t,function(t){return typeof t=="string"?{label:t,value:t}:e.extend({label:t.label||t.value,value:t.value||t.label},t)})},_suggest:function(t){var n=this.menu.element.empty().zIndex(this.element.zIndex()+1);this._renderMenu(n,t),this.menu.refresh(),n.show(),this._resizeMenu(),n.position(e.extend({of:this.element},this.options.position)),this.options.autoFocus&&this.menu.next()},_resizeMenu:function(){var e=this.menu.element;e.outerWidth(Math.max(e.width("").outerWidth()+1,this.element.outerWidth()))},_renderMenu:function(t,n){var r=this;e.each(n,function(e,n){r._renderItemData(t,n)})},_renderItemData:function(e,t){return this._renderItem(e,t).data("ui-autocomplete-item",t)},_renderItem:function(t,n){return e("<li>").append(e("<a>").text(n.label)).appendTo(t)},_move:function(e,t){if(!this.menu.element.is(":visible")){this.search(null,t);return}if(this.menu.isFirstItem()&&/^previous/.test(e)||this.menu.isLastItem()&&/^next/.test(e)){this._value(this.term),this.menu.blur();return}this.menu[e](t)},widget:function(){return this.menu.element},_value:function(){return this.valueMethod.apply(this.element,arguments)},_keyEvent:function(e,t){if(!this.isMultiLine||this.menu.element.is(":visible"))this._move(e,t),t.preventDefault()}}),e.extend(e.ui.autocomplete,{escapeRegex:function(e){return e.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g,"\\$&")},filter:function(t,n){var r=new RegExp(e.ui.autocomplete.escapeRegex(n),"i");return e.grep(t,function(e){return r.test(e.label||e.value||e)})}}),e.widget("ui.autocomplete",e.ui.autocomplete,{options:{messages:{noResults:"No search results.",results:function(e){return e+(e>1?" results are":" result is")+" available, use up and down arrow keys to navigate."}}},__response:function(e){var t;this._superApply(arguments);if(this.options.disabled||this.cancelSearch)return;e&&e.length?t=this.options.messages.results(e.length):t=this.options.messages.noResults,this.liveRegion.text(t)}})})(jQuery);