/* 下拉菜单功能绑定 */
function bind_dropdown_list_new(selector, dropdown_template, data)
{
	var selector_parent = $(selector).parent(); 
	var selector_input = $(selector).find("input");
	var nb_dropdown = $(selector_parent).find('#nb_dropdown');
	//var nb_dropdown_list = $(nb_dropdown).find('#nb_dropdown_list');
	selector_input.focus(function()
	{
/*		var sk_topic_top = $("input[name=sk_topic_top]:checked").val();
		var sk_topic_top_alert = $("input[name=sk_topic_top]").parent().find("#sk_topic_top_alert");
		if(typeof(sk_topic_top)=='undefined'){
			sk_topic_top_alert.show();
		}else{
			sk_topic_top_alert.hide();
		}*/
		topic_keyword_search(selector, dropdown_template, data);
	});
    $(selector).keyup(function(e)
    {
		topic_keyword_search(selector, dropdown_template, data);
    });
    selector_input.blur(function()
    {
       nb_dropdown.delay(250).fadeOut(150);
    });
}
var dropdown_template = {
	'dropdown_li':
	'<li id="topic_{{topic_id}}" data_id="{{topic_id}}" {{addon}}>{{topic_title}}</li>',
	'delete_btn':
	'<div class="dropdown_selected"><span>{{topic_title}}</span><a data_id="{{topic_id}}" href="javascript:;" class="dropdown_delete" name="remove"></a></div>'};

function insertkeyword(selector){
	var topic_id = $(selector).attr("data_id");

	if(topic_id=='add'){
		var topic_title = $(selector).attr("topictitle");
		var url = G_BASE_URL + '/topic/ajax/save_topic_simp/';
		$.post(url,{'topic_title':topic_title},function(rsdata){
			rsdata = JSON.parse(rsdata);
			if(rsdata.errno==1){
				topic_id = rsdata.rsm.topic_id;
				keyword_edit_dom(selector,{'topic_id':topic_id,'topic_title':topic_title});
			}else{
				var myalert = rsdata.err;
				console.log(myalert);
			}
		})
	}else{
		var topic_title = $(selector).text();
		keyword_edit_dom(selector,{'topic_id':topic_id,'topic_title':topic_title});
	}
}
function keyword_edit_dom(selector,toipc_detail){
	var topic_id = toipc_detail.topic_id;// $(selector).attr("data_id");
	var topic_title = toipc_detail.topic_title;// $(selector).text();
	var dropdown_input = $("#dropdown_input").find("input");	
	var description = $("#huxing_desc");
	var desc_val = description.val();
	var desc_id = $("#desc_id");
	var desc_id_val = desc_id.val();
	
	dropdown_input.before(Hogan.compile(dropdown_template.delete_btn).render({'topic_title': topic_title,'topic_id': topic_id}));
	dropdown_input.val('').trigger("change");
	var dot = desc_val.length>0 ? ',' : '';
	description.val( desc_val + dot + topic_title).trigger("change");
	desc_id.val( desc_id_val + dot + topic_id);
	
	dropdown_input.prev().find("a[data_id="+topic_id+"]").click(function(){
	    desc_val = description.val();
	    desc_id_val = desc_id.val();
		var last_dot = desc_val.lastIndexOf(",");
		if(last_dot===-1){
			description.val('').trigger("change");
			desc_id.val('');
		}else{
			description.val(desc_val.substr(0,last_dot)).trigger("change");
			var last_id_dot = desc_id_val.lastIndexOf(",");
			desc_id.val(desc_id_val.substr(0,last_id_dot));
		}
		dropdown_input.prev().remove();
	});
}
var dropdown_list_xhr;
function topic_keyword_search(selector, dropdown_template, data){
	var selector_parent = $(selector).parent(); 
	var selector_input = $(selector).find("input");
	var nb_dropdown = $(selector_parent).find('#nb_dropdown');
	var nb_dropdown_list = $(nb_dropdown).find('#nb_dropdown_list');
	var keyword = selector_input.val();
	var keywordt = trim(keyword);
	if (keywordt.length >= 1)
	{
		if (typeof dropdown_list_xhr !== "undefined")
		{
			dropdown_list_xhr.abort(); //中止上一次ajax请求
		}
		var url = G_BASE_URL + '/search/dropdown/'+data+'/?s=' + encodeURIComponent(keyword) + '&limit=10';
		dropdown_list_xhr = $.get(url, function(result){
			nb_dropdown.show();
			//console.log(result);
			var add_topic_new = {'topic_title':'添加 '+keyword,'topic_id':'add','addon':'topictitle='+keyword+''};
			if(!result || typeof result === 'undefined' || result === null){
				//console.log(result);
				result = [];
				result[0] = add_topic_new;
			} 
			//console.log(result);console.log(dropdown_list_xhr);
			var rs_length = result.length;
			if (rs_length !== 0 && typeof dropdown_list_xhr !== "undefined")
			{
				nb_dropdown_list.html(''); //清空内容
				var count=0;
				var needadd = 1;
				$.each(result, function(index, listval)
				{
					count++;
					if(listval.topic_title===keyword){ needadd = 0; }
					var selected_topic_ids = ','+$("#desc_id").val()+',';
					//console.log(selected_topic_ids);console.log($("#desc_id").val());
					if(selected_topic_ids.indexOf(','+listval.topic_id+',')!==-1){return true;} 
					//console.log(selected_topic_ids);console.log(listval.topic_id);
					if(typeof listval.addon === "undefined"){ listval.addon=''; }
					nb_dropdown_list.append(Hogan.compile(dropdown_template.dropdown_li).render({'topic_title': listval.topic_title,'topic_id': listval.topic_id,'addon':listval.addon}));
					if(( typeof(listval.topic_id)!=="undefined"&&listval.topic_id!=="0" )||( count===rs_length && needadd===1 )){
						var mouseevent = function(topic_id){
							var li_now = nb_dropdown_list.find("#topic_"+topic_id);
							li_now.mouseover(function(){
								li_now.css({'background-color':'#d6e9f8'});
							});
							li_now.mouseout(function(){
								li_now.css({'background-color':'#FFF'});
							});
							li_now.click(function(){
								insertkeyword(li_now);
							});
						};
						if(count===rs_length && needadd===1&&listval.topic_id!=="add"){
							nb_dropdown_list.append(Hogan.compile(dropdown_template.dropdown_li).render({'topic_title': add_topic_new.topic_title,'topic_id': add_topic_new.topic_id,'addon':add_topic_new.addon}));
							mouseevent(add_topic_new.topic_id);
						}
						mouseevent(listval.topic_id);
					}

				});
			}
		}, 'json');
	}
	else
	{
		nb_dropdown_list.html(''); 
		nb_dropdown.hide();
	}
}