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/* =============================================================
* bootstrap-typeahead.js v2.1.1
* http://twitter.github.com/bootstrap/javascript.html#typeahead
* =============================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============================================================ */
!function(b){var g=function(a,c){this.$element=b(a);this.options=b.extend({},b.fn.typeahead.defaults,c);this.matcher=this.options.matcher||this.matcher;this.sorter=this.options.sorter||this.sorter;this.highlighter=this.options.highlighter||this.highlighter;this.updater=this.options.updater||this.updater;this.$menu=b(this.options.menu).appendTo("body");this.source=this.options.source;this.shown=!1;this.listen()};g.prototype={constructor:g,select:function(){var a=this.$menu.find(".active").attr("data-value");
this.$element.val(this.updater(a)).change();return this.hide()},updater:function(a){return a},show:function(){var a=b.extend({},this.$element.offset(),{height:this.$element[0].offsetHeight});this.$menu.css({top:a.top+a.height,left:a.left});this.$menu.show();this.shown=!0;return this},hide:function(){this.$menu.hide();this.shown=!1;return this},lookup:function(a){this.query=this.$element.val();return!this.query||this.query.length<this.options.minLength?this.shown?this.hide():this:(a=b.isFunction(this.source)?
this.source(this.query,b.proxy(this.process,this)):this.source)?this.process(a):this},process:function(a){var c=this;a=b.grep(a,function(a){return c.matcher(a)});a=this.sorter(a);return a.length?this.render(a.slice(0,this.options.items)).show():this.shown?this.hide():this},matcher:function(a){return~a.toLowerCase().indexOf(this.query.toLowerCase())},sorter:function(a){for(var b=[],e=[],d=[],f;f=a.shift();)f.toLowerCase().indexOf(this.query.toLowerCase())?~f.indexOf(this.query)?e.push(f):d.push(f):
b.push(f);return b.concat(e,d)},highlighter:function(a){var b=this.query.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g,"\\$&");return a.replace(RegExp("("+b+")","ig"),function(a,b){return"<strong>"+b+"</strong>"})},render:function(a){var c=this;a=b(a).map(function(a,d){a=b(c.options.item).attr("data-value",d);a.find("a").html(c.highlighter(d));return a[0]});a.first().addClass("active");this.$menu.html(a);return this},next:function(a){a=this.$menu.find(".active").removeClass("active").next();a.length||(a=
b(this.$menu.find("li")[0]));a.addClass("active")},prev:function(a){a=this.$menu.find(".active").removeClass("active").prev();a.length||(a=this.$menu.find("li").last());a.addClass("active")},listen:function(){this.$element.on("blur",b.proxy(this.blur,this)).on("keypress",b.proxy(this.keypress,this)).on("keyup",b.proxy(this.keyup,this));if(b.browser.chrome||b.browser.webkit||b.browser.msie)this.$element.on("keydown",b.proxy(this.keydown,this));this.$menu.on("click",b.proxy(this.click,this)).on("mouseenter",
"li",b.proxy(this.mouseenter,this))},move:function(a){if(this.shown){switch(a.keyCode){case 9:case 13:case 27:a.preventDefault();break;case 38:a.preventDefault();this.prev();break;case 40:a.preventDefault(),this.next()}a.stopPropagation()}},keydown:function(a){this.suppressKeyPressRepeat=!~b.inArray(a.keyCode,[40,38,9,13,27]);this.move(a)},keypress:function(a){this.suppressKeyPressRepeat||this.move(a)},keyup:function(a){switch(a.keyCode){case 40:case 38:break;case 9:case 13:if(!this.shown)return;
this.select();break;case 27:if(!this.shown)return;this.hide();break;default:this.lookup()}a.stopPropagation();a.preventDefault()},blur:function(a){var b=this;setTimeout(function(){b.hide()},150)},click:function(a){a.stopPropagation();a.preventDefault();this.select()},mouseenter:function(a){this.$menu.find(".active").removeClass("active");b(a.currentTarget).addClass("active")}};b.fn.typeahead=function(a){return this.each(function(){var c=b(this),e=c.data("typeahead"),d="object"==typeof a&&a;e||c.data("typeahead",
e=new g(this,d));if("string"==typeof a)e[a]()})};b.fn.typeahead.defaults={source:[],items:8,menu:'<ul class="typeahead dropdown-menu"></ul>',item:'<li><a href="#"></a></li>',minLength:1};b.fn.typeahead.Constructor=g;b(function(){b("body").on("focus.typeahead.data-api",'[data-provide="typeahead"]',function(a){var c=b(this);c.data("typeahead")||(a.preventDefault(),c.typeahead(c.data()))})})}(window.jQuery);
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