/*
 * AutoSuggest
 * Copyright 2009-2010 Drew Wilson
 * www.drewwilson.com
 * code.drewwilson.com/entry/autosuggest-jquery-plugin
 *
 * Forked by Wu Yuntao
 * github.com/wuyuntao/jquery-autosuggest
 *
 * Version 1.6.2
 *
 * This Plug-In will auto-complete or auto-suggest completed search queries
 * for you as you type. You can add multiple selections and remove them on
 * the fly. It supports keybord navigation (UP + DOWN + RETURN), as well
 * as multiple AutoSuggest fields on the same page.
 *
 * Inspired by the Autocomplete plugin by: Joern Zaefferer
 * and the Facelist plugin by: Ian Tearle (iantearle.com)
 *
 * This AutoSuggest jQuery plug-in is dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 */
(function(a){a.fn.autoSuggest=function(h,e){var i={asHtmlID:false,startText:"Enter Name Here",usePlaceholder:false,emptyText:"No Results Found",preFill:{},limitText:"No More Selections Are Allowed",selectedItemProp:"value",selectedValuesProp:"value",searchObjProps:"value",queryParam:"q",retrieveLimit:false,extraParams:"",matchCase:false,minChars:1,keyDelay:400,resultsHighlight:true,neverSubmit:false,selectionLimit:false,showResultList:true,showResultListWhenNoMatch:false,canGenerateNewSelections:true,start:function(){},selectionClick:function(j){},selectionAdded:function(j){},selectionRemoved:function(j){j.remove()},formatList:false,beforeRetrieve:function(j){return j},retrieveComplete:function(j){return j},resultClick:function(j){},resultsComplete:function(){}};var g=a.extend(i,e);function d(j){var l=0;for(k in j){if(j.hasOwnProperty(k)){l++}}return l}function c(){var j=g.extraParams;if(a.isFunction(j)){return j()}return j}var b;var f=null;if(typeof h=="function"){b=h}else{if(typeof h=="string"){b=function(m,l){var j="";if(g.retrieveLimit){j="&limit="+encodeURIComponent(g.retrieveLimit)}f=a.getJSON(h+"?"+g.queryParam+"="+encodeURIComponent(m)+j+c(),function(o){var n=g.retrieveComplete.call(this,o);l(n,m)})}}else{if(typeof h=="object"&&d(h)>0){b=function(l,j){j(h,l)}}}}if(b){return this.each(function(z){if(!g.asHtmlID){z=z+""+Math.floor(Math.random()*100);var m="as-input-"+z}else{z=g.asHtmlID;var m=z}g.start.call(this,{add:function(x){K(x,"u"+a("li",G).length).addClass("blur")},remove:function(x){M.val(M.val().replace(","+x+",",","));G.find('li[data-value = "'+x+'"]').remove()}});var B=a(this);B.attr("autocomplete","off").addClass("as-input").attr("id",m);if(g.usePlaceholder){B.attr("placeholder",g.startText)}else{B.val(g.startText)}var F=false;B.wrap('<ul class="as-selections" id="as-selections-'+z+'"></ul>').wrap('<li class="as-original" id="as-original-'+z+'"></li>');var G=a("#as-selections-"+z);var v=a("#as-original-"+z);var o=a('<div class="as-results" id="as-results-'+z+'"></div>').hide();var p=a('<ul class="as-list"></ul>');var M=a('<input type="hidden" class="as-values" name="as_values_'+z+'" id="as-values-'+z+'" />');var u="";if(typeof g.preFill=="string"){var C=g.preFill.split(",");for(var I=0;I<C.length;I++){var n={};n[g.selectedValuesProp]=C[I];if(C[I]!=""){K(n,"000"+I)}}u=g.preFill}else{u="";var N=0;for(k in g.preFill){if(g.preFill.hasOwnProperty(k)){N++}}if(N>0){for(var I=0;I<N;I++){var D=g.preFill[I][g.selectedValuesProp];if(D==undefined){D=""}u=u+D+",";if(D!=""){K(g.preFill[I],"000"+I)}}}}if(u!=""){B.val("");var A=u.substring(u.length-1);if(A!=","){u=u+","}M.val(","+u);a("li.as-selection-item",G).addClass("blur").removeClass("selected")}B.after(M);G.click(function(){F=true;B.focus()}).mousedown(function(){F=false}).after(o);var J=null;var y=null;var E="";var q=0;var r=false;var H=null;B.focus(function(){if(!g.usePlaceholder&&a(this).val()==g.startText&&M.val()==""){a(this).val("")}else{if(F){a("li.as-selection-item",G).removeClass("blur");if(a(this).val()!=""){p.css("width",G.outerWidth());o.show()}}}if(J){clearInterval(J)}J=setInterval(function(){if(g.showResultList){if(g.selectionLimit&&a("li.as-selection-item",G).length>=g.selectionLimit){p.html('<li class="as-message">'+g.limitText+"</li>");o.show()}else{l()}}},g.keyDelay);F=true;if(g.minChars==0){L(a(this).val())}return true}).blur(function(){if(!g.usePlaceholder&&a(this).val()==""&&M.val()==""&&u==""&&g.minChars>0){a(this).val(g.startText)}else{if(F){a("li.as-selection-item",G).addClass("blur").removeClass("selected");o.hide()}}if(J){clearInterval(J)}}).keydown(function(S){H=S.keyCode;first_focus=false;switch(S.keyCode){case 38:S.preventDefault();w("up");break;case 40:S.preventDefault();w("down");break;case 8:if(B.val()==""){var O=M.val().split(",");O=O[O.length-2];G.children().not(v.prev()).removeClass("selected");if(v.prev().hasClass("selected")){M.val(M.val().replace(","+O+",",","));g.selectionRemoved.call(this,v.prev())}else{g.selectionClick.call(this,v.prev());v.prev().addClass("selected")}}if(B.val().length==1){o.hide();E="";j()}if(a(":visible",o).length>0){if(y){clearTimeout(y)}y=setTimeout(function(){l()},g.keyDelay)}break;case 9:case 188:if(g.canGenerateNewSelections){r=true;var Q=B.val().replace(/(,)/g,"");var R=a("li.active:first",o);if(Q!==""&&M.val().search(","+Q+",")<0&&Q.length>=g.minChars&&R.length===0){S.preventDefault();var P={};P[g.selectedItemProp]=Q;P[g.selectedValuesProp]=Q;var x=a("li",G).length;K(P,"00"+(x+1));B.val("");j();break}}case 13:r=false;var R=a("li.active:first",o);if(R.length>0){R.click();o.hide()}if(g.neverSubmit||R.length>0){S.preventDefault()}break;case 27:case 16:case 20:j();o.hide();break}});function l(){var x=B.val().replace(/[\\]+|[\/]+/g,"");if(x==E){return}E=x;if(x.length>=g.minChars){G.addClass("loading");L(x)}else{G.removeClass("loading");o.hide()}}function L(x){if(g.beforeRetrieve){x=g.beforeRetrieve.call(this,x)}j();b(x,s)}var t=0;function s(Q,W){if(!g.matchCase){W=W.toLowerCase()}W=W.replace("(","\\(","g").replace(")","\\)","g");var Y=0;o.html(p.html("")).hide();var aa=d(Q);for(var R=0;R<aa;R++){var S=R;t++;var T=false;if(g.searchObjProps=="value"){var V=Q[S].value}else{var V="";var U=g.searchObjProps.split(",");for(var X=0;X<U.length;X++){var x=a.trim(U[X]);V=V+Q[S][x]+" "}}if(V){if(!g.matchCase){V=V.toLowerCase()}if(V.search(W)!=-1&&M.val().search(","+Q[S][g.selectedValuesProp]+",")==-1){T=true}}if(T){var P=a('<li class="as-result-item" id="as-result-item-'+S+'"></li>').click(function(){var ad=a(this).data("data");var ab=ad.num;if(a("#as-selection-"+ab,G).length<=0&&!r){var ac=ad.attributes;B.val("").focus();E="";K(ac,ab);g.resultClick.call(this,ad);o.hide()}r=false}).mousedown(function(){F=false}).mouseover(function(){a("li",p).removeClass("active");a(this).addClass("active")}).data("data",{attributes:Q[S],num:t});var Z=a.extend({},Q[S]);if(!g.matchCase){var O=new RegExp("(?![^&;]+;)(?!<[^<>]*)("+W+")(?![^<>]*>)(?![^&;]+;)","gi")}else{var O=new RegExp("(?![^&;]+;)(?!<[^<>]*)("+W+")(?![^<>]*>)(?![^&;]+;)","g")}if(g.resultsHighlight&&W.length>0){Z[g.selectedItemProp]=Z[g.selectedItemProp].replace(O,"<em>$1</em>")}if(!g.formatList){P=P.html(Z[g.selectedItemProp])}else{P=g.formatList.call(this,Z,P)}p.append(P);delete Z;Y++;if(g.retrieveLimit&&g.retrieveLimit==Y){break}}}G.removeClass("loading");if(Y<=0){p.html('<li class="as-message">'+g.emptyText+"</li>")}p.css("width",G.outerWidth());if(Y>0||!g.showResultListWhenNoMatch){o.show()}g.resultsComplete.call(this)}function K(P,x){M.val((M.val()||",")+P[g.selectedValuesProp]+",");var O=a('<li class="as-selection-item" id="as-selection-'+x+'" data-value="'+P[g.selectedValuesProp]+'"></li>').click(function(){g.selectionClick.call(this,a(this));G.children().removeClass("selected");a(this).addClass("selected")}).mousedown(function(){F=false});var Q=a('<a class="as-close">&times;</a>').click(function(){M.val(M.val().replace(","+P[g.selectedValuesProp]+",",","));g.selectionRemoved.call(this,O);F=true;B.focus();return false});v.before(O.html(P[g.selectedItemProp]).prepend(Q));g.selectionAdded.call(this,v.prev(),P[g.selectedValuesProp]);return v.prev()}function w(P){if(a(":visible",o).length>0){var x=a("li",o);if(P=="down"){var Q=x.eq(0)}else{var Q=x.filter(":last")}var O=a("li.active:first",o);if(O.length>0){if(P=="down"){Q=O.next()}else{Q=O.prev()}}x.removeClass("active");Q.addClass("active")}}function j(){if(f){f.abort();f=null}}})}}})(jQuery || django.jQuery);