(function($){
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var bigAutocomplete = new function(){
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this.currentInputText = null;//Ä¿Ç°»ñµÃ¹â±êµÄÊäÈë¿ò£¨½â¾öÒ»¸öÒ³Ãæ¶à¸öÊäÈë¿ò°ó¶¨×Ô¶¯²¹È«¹¦ÄÜ£©
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this.functionalKeyArray = [9,20,13,16,17,18,91,92,93,45,36,33,34,35,37,39,112,113,114,115,116,117,118,119,120,121,122,123,144,19,145,40,38,27];//¼üÅÌÉϹ¦Äܼü¼üÖµÊý×é
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this.holdText = null;//ÊäÈë¿òÖÐÔʼÊäÈëµÄÄÚÈÝ
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//³õʼ»¯²åÈë×Ô¶¯²¹È«div£¬²¢ÔÚdocument×¢²ámousedown£¬µã»÷·ÇdivÇøÓòÒþ²Ødiv
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this.init = function(){
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$("body").append("<div id='bigAutocompleteContent' class='bigautocomplete-layout'></div>");
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$(document).bind('mousedown',function(event){
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var $target = $(event.target);
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if((!($target.parents().andSelf().is('#bigAutocompleteContent'))) && (!$target.is(bigAutocomplete.currentInputText))){
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bigAutocomplete.hideAutocomplete();
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}
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})
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//Êó±êÐüͣʱѡÖе±Ç°ÐÐ
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$("#bigAutocompleteContent").delegate("tr", "mouseover", function() {
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$("#bigAutocompleteContent tr").removeClass("ct");
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$(this).addClass("ct");
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}).delegate("tr", "mouseout", function() {
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$("#bigAutocompleteContent tr").removeClass("ct");
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});
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//µ¥»÷Ñ¡ÖÐÐкó£¬Ñ¡ÖÐÐÐÄÚÈÝÉèÖõ½ÊäÈë¿òÖУ¬²¢Ö´ÐÐcallbackº¯Êý
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$("#bigAutocompleteContent").delegate("tr", "click", function() {
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bigAutocomplete.currentInputText.val( $(this).find("div:last").html());
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var callback_ = bigAutocomplete.currentInputText.data("config").callback;
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if($("#bigAutocompleteContent").css("display") != "none" && callback_ && $.isFunction(callback_)){
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callback_($(this).data("jsonData"));
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}
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bigAutocomplete.hideAutocomplete();
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})
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}
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this.autocomplete = function(param){
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if($("body").length > 0 && $("#bigAutocompleteContent").length <= 0){
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bigAutocomplete.init();//³õʼ»¯ÐÅÏ¢
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}
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var $this = $(this);//Ϊ°ó¶¨×Ô¶¯²¹È«¹¦ÄܵÄÊäÈë¿òjquery¶ÔÏó
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var $bigAutocompleteContent = $("#bigAutocompleteContent");
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this.config = {
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//width:ÏÂÀ¿òµÄ¿í¶È£¬Ä¬ÈÏʹÓÃÊäÈë¿ò¿í¶È
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width:$this.outerWidth() - 2,
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//url£º¸ñʽurl:""ÓÃÀ´ajaxºǫ́»ñÈ¡Êý¾Ý£¬·µ»ØµÄÊý¾Ý¸ñʽΪdata²ÎÊýÒ»Ñù
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url:null,
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/*data£º¸ñʽ{data:[{title:null,result:{}},{title:null,result:{}}]}
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urlºÍdata²ÎÊýÖ»ÓÐÒ»¸öÉúЧ£¬dataÓÅÏÈ*/
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data:null,
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//callback£ºÑ¡ÖÐÐк󰴻سµ»òµ¥»÷ʱ»Øµ÷µÄº¯Êý
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callback:null};
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$.extend(this.config,param);
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$this.data("config",this.config);
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//ÊäÈë¿òkeydownʼþ
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$this.keydown(function(event) {
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switch (event.keyCode) {
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case 40://Ïòϼü
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if($bigAutocompleteContent.css("display") == "none")return;
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var $nextSiblingTr = $bigAutocompleteContent.find(".ct");
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if($nextSiblingTr.length <= 0){//ûÓÐÑ¡ÖÐÐÐʱ£¬Ñ¡ÖеÚÒ»ÐÐ
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$nextSiblingTr = $bigAutocompleteContent.find("tr:first");
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}else{
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$nextSiblingTr = $nextSiblingTr.next();
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}
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$bigAutocompleteContent.find("tr").removeClass("ct");
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if($nextSiblingTr.length > 0){//ÓÐÏÂÒ»ÐÐʱ£¨²»ÊÇ×îºóÒ»ÐУ©
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$nextSiblingTr.addClass("ct");//Ñ¡ÖеÄÐмӱ³¾°
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$this.val($nextSiblingTr.find("div:last").html());//Ñ¡ÖÐÐÐÄÚÈÝÉèÖõ½ÊäÈë¿òÖÐ
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//div¹ö¶¯µ½Ñ¡ÖеÄÐÐ,jquery-1.6.1 $nextSiblingTr.offset().top ÓÐbug£¬ÊýÖµÓÐÎÊÌâ
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$bigAutocompleteContent.scrollTop($nextSiblingTr[0].offsetTop - $bigAutocompleteContent.height() + $nextSiblingTr.height() );
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}else{
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$this.val(bigAutocomplete.holdText);//ÊäÈë¿òÏÔʾÓû§ÔʼÊäÈëµÄÖµ
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}
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break;
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case 38://ÏòÉϼü
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if($bigAutocompleteContent.css("display") == "none")return;
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var $previousSiblingTr = $bigAutocompleteContent.find(".ct");
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if($previousSiblingTr.length <= 0){//ûÓÐÑ¡ÖÐÐÐʱ£¬Ñ¡ÖÐ×îºóÒ»ÐÐÐÐ
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$previousSiblingTr = $bigAutocompleteContent.find("tr:last");
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}else{
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$previousSiblingTr = $previousSiblingTr.prev();
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}
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$bigAutocompleteContent.find("tr").removeClass("ct");
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if($previousSiblingTr.length > 0){//ÓÐÉÏÒ»ÐÐʱ£¨²»ÊǵÚÒ»ÐУ©
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$previousSiblingTr.addClass("ct");//Ñ¡ÖеÄÐмӱ³¾°
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$this.val($previousSiblingTr.find("div:last").html());//Ñ¡ÖÐÐÐÄÚÈÝÉèÖõ½ÊäÈë¿òÖÐ
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//div¹ö¶¯µ½Ñ¡ÖеÄÐÐ,jquery-1.6.1 $$previousSiblingTr.offset().top ÓÐbug£¬ÊýÖµÓÐÎÊÌâ
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$bigAutocompleteContent.scrollTop($previousSiblingTr[0].offsetTop - $bigAutocompleteContent.height() + $previousSiblingTr.height());
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}else{
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$this.val(bigAutocomplete.holdText);//ÊäÈë¿òÏÔʾÓû§ÔʼÊäÈëµÄÖµ
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}
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break;
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case 27://ESC¼üÒþ²ØÏÂÀ¿ò
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bigAutocomplete.hideAutocomplete();
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break;
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}
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});
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//ÊäÈë¿òkeyupʼþ
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$this.keyup(function(event) {
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var k = event.keyCode;
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var ctrl = event.ctrlKey;
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var isFunctionalKey = false;//°´ÏµļüÊÇ·ñÊǹ¦Äܼü
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for(var i=0;i<bigAutocomplete.functionalKeyArray.length;i++){
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if(k == bigAutocomplete.functionalKeyArray[i]){
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isFunctionalKey = true;
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break;
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}
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}
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//k¼üÖµ²»Êǹ¦Äܼü»òÊÇctrl+c¡¢ctrl+xʱ²Å´¥·¢×Ô¶¯²¹È«¹¦ÄÜ
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if(!isFunctionalKey && (!ctrl || (ctrl && k == 67) || (ctrl && k == 88)) ){
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var config = $this.data("config");
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var offset = $this.offset();
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$bigAutocompleteContent.width(config.width);
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var h = $this.outerHeight() - 1;
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$bigAutocompleteContent.css({"top":offset.top + h,"left":offset.left});
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var data = config.data;
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var url = config.url;
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var keyword_ = $.trim($this.val());
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if(keyword_ == null || keyword_ == ""){
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bigAutocomplete.hideAutocomplete();
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return;
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}
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if(data != null && $.isArray(data) ){
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var data_ = new Array();
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for(var i=0;i<data.length;i++){
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if(data[i].title.indexOf(keyword_) > -1){
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data_.push(data[i]);
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}
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}
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makeContAndShow(data_);
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}else if(url != null && url != ""){//ajaxÇëÇóÊý¾Ý
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$.post(url,{keyword:keyword_},function(result){
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makeContAndShow(result.data)
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},"json")
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}
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bigAutocomplete.holdText = $this.val();
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}
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//»Ø³µ¼ü
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if(k == 13){
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var callback_ = $this.data("config").callback;
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if($bigAutocompleteContent.css("display") != "none"){
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if(callback_ && $.isFunction(callback_)){
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callback_($bigAutocompleteContent.find(".ct").data("jsonData"));
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}
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$bigAutocompleteContent.hide();
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}
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}
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});
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//×é×°ÏÂÀ¿òhtmlÄÚÈݲ¢ÏÔʾ
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function makeContAndShow(data_){
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if(data_ == null || data_.length <=0 ){
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return;
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}
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var cont = "<table><tbody>";
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for(var i=0;i<data_.length;i++){
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cont += "<tr><td><div>" + data_[i].title + "</div></td></tr>"
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}
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cont += "</tbody></table>";
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$bigAutocompleteContent.html(cont);
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$bigAutocompleteContent.show();
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//ÿÐÐtr°ó¶¨Êý¾Ý£¬·µ»Ø¸ø»Øµ÷º¯Êý
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$bigAutocompleteContent.find("tr").each(function(index){
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$(this).data("jsonData",data_[index]);
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})
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}
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//ÊäÈë¿òfocusʼþ
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$this.focus(function(){
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bigAutocomplete.currentInputText = $this;
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});
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}
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//Òþ²ØÏÂÀ¿ò
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this.hideAutocomplete = function(){
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var $bigAutocompleteContent = $("#bigAutocompleteContent");
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if($bigAutocompleteContent.css("display") != "none"){
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$bigAutocompleteContent.find("tr").removeClass("ct");
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$bigAutocompleteContent.hide();
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}
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}
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};
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$.fn.bigAutocomplete = bigAutocomplete.autocomplete;
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})(jQuery)
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