var cache = { };
$(document).ready(function() {
    cache["loadimg"] = $("<img/>").attr("src", "http://image.eduhouse.net/2009_iae/image/loadinfo_s.gif");
    cache["loadimg2"] = $("<img/>").attr("src", "http://image.eduhouse.net/2009_iae/image/loadinfo_s.gif");

    jQuery.historyInit(actionHandler);
    $("a[rel='history_news']").live("click", function() {
        $("#list_wrap").empty().append(cache["loadimg"]);
        dvf_historyHandler(this.href);
        return false;
    });
    changeContry2(document.getElementById("natCd").value);
});

function changeContry2(_arg){

    $(".news_internal").children("li").each(function() {
		$(this).children("a").attr("class","");
	});

	
	$("#camp_news_"+_arg).attr("class","on");
}

function changeContry(_arg){
    $(".news_internal").children("li").each(function() {
		$(this).children("a").attr("class","");
	});
	
	$("#camp_news_"+_arg).attr("class","on");
    $("#list_wrap").empty().append(cache["loadimg"]);
    $("#page_no").val(1);
	$("#natCd").val(_arg);
	read_news_list();
}

function actionHandler(p_hash)
{
    // hash doesn't contain the first # character.
    //trace("hash=" + p_hash);
    var arrHashToken;
	
    if(p_hash)
    {
        arrHashToken = p_hash.split("_");
	
		if (arrHashToken.length > 0)
		{
			$("#natCd").val(arrHashToken[0]);

			var natIdEnd = arrHashToken[0];
			
			if (arrHashToken.length > 1)
				$("#page_no").val(arrHashToken[1]);
				
			read_news_list();
		}
    }
}

function read_news_list()
{
    
    var param = {natCd: $("#natCd").val(),
                 page_no: $("#page_no").val(),
                 page_size: $("#page_size").val(),
				 NewsCode: $("#NewsCode").val()};

    $.ajax({
        url: "/service/study_info/svc_earlynews_list.asp",
        type: 'POST',
        data: param,
        dataType: 'json',
        async: true,
        //timeout: 3000,
        error: function(p_req, p_status, p_err) {
            //alert('ERR1');
            alert("학교뉴스를 읽는 중 오류가 발생하였습니다. 잠시 후 이용바랍니다.");
        },
        success: function(p_data) {
            var newsList = $("#list_wrap");
            newsList.empty();
			
			if (p_data.totalCnt <= 0)
            {
                newsList.append("<span>등록된 학교뉴스가 없습니다.</span>");
            }
            else
            {   if (p_data.dataList != undefined && p_data.dataList.length > 0){
					for (var idx = 0; idx < p_data.dataList.length; idx++)
					{
						var datarec = p_data.dataList[idx];

						newsList.append("<div class=\"camp_sch_zone_img_list\">"+
										"<div class=\"photo\">"+
										"<a href=\"" + datarec.newsUrl + "\"><img src=\"" + datarec.newsImg + "\" onerror=\"this.src='http://image.eduhouse.net/iaeweb_2011/images/talk/list_noimg.gif'\"/></a>"+
										"</div>"+
										"<dl>"+
										"<dt><a href=\"" + datarec.newsUrl + "\">" + unescape(datarec.newstitle) +"</a></dt>"+
										"<dd>" + unescape(datarec.newssummary) + "</dd>"+
										"<ul>"+
										"<li>작성일:" + datarec.newsDate + "</li>"+
										"</ul>"+
										"</dl>"+
										"</div>");
		
					}
				}else{
				    newsList.append("<span>등록된 학교뉴스가 없습니다.</span>");
				}
            }

            // paging 다시 그리기
            viewPaging(parseInt($("#page_no").val(),10), parseInt($("#page_size").val(),10), p_data.totalCnt, parseInt($("#view_paging_no").val(),10), "div.page_index");
        }
    });
}

function viewPaging(p_pageNo, p_pageSize, p_dataCnt, p_viewPagingNo, p_containerSelector)
{
    var totPageCnt = Math.floor((p_dataCnt - 1) / p_pageSize) + 1;

    var stPageno  = p_pageNo - ((p_pageNo - 1) % p_viewPagingNo);
    var endPageno = stPageno + p_viewPagingNo - 1;
    if (endPageno > totPageCnt)
        endPageno = totPageCnt;

    //alert("stPageno:" + stPageno + ", endPageno:" + endPageno + ", totPage:" + totPageCnt + ", viewPaing:" + p_viewPagingNo);

    var natCd = $("#natCd").val();

	var pagingTxt = 1 < p_pageNo ? " <a class=\"icon\" href=\"#" + natCd + "_1" +"\" rel=\"history_news\"><img src=\"http://image.eduhouse.net/iaeweb_2012/images/btn/btn_first.gif\" /></a> " : " <a class=\"icon\"><img src=\"http://image.eduhouse.net/iaeweb_2012/images/btn/btn_first.gif\" /></a> ";
   
	pagingTxt += p_viewPagingNo < stPageno ? " <a class=\"icon\" href=\"#" + natCd + "_" + (stPageno-1) +"\" rel=\"history_news\"><img src=\"http://image.eduhouse.net/iaeweb_2012/images/btn/btn_before.gif\" /></a> " : " <a class=\"icon\"><img src=\"http://image.eduhouse.net/iaeweb_2012/images/btn/btn_before.gif\" /></a> ";
	
	for (var idx = stPageno; idx <= endPageno; idx++)
	{
		pagingTxt += p_pageNo != idx ? " <a href=\"#" + natCd + "_" + idx +"\" rel=\"history_news\">" + idx + "</a> " : " <a href=\"javascript:;\" class=\"on\">" + idx + "</a> ";
	}

    pagingTxt += totPageCnt > endPageno ? " <a class=\"icon\" href=\"#" + natCd + "_" + (endPageno+1) +"\" rel=\"history_news\"><img src=\"http://image.eduhouse.net/iaeweb_2012/images/btn/btn_next.gif\" /></a> " : " <a class=\"icon\" ><img src=\"http://image.eduhouse.net/iaeweb_2012/images/btn/btn_next.gif\" /></a> ";
   
	pagingTxt += totPageCnt > p_pageNo ? " <a class=\"icon\" href=\"#" + natCd + "_" + totPageCnt  +"\" rel=\"history_news\"><img src=\"http://image.eduhouse.net/iaeweb_2012/images/btn/btn_end.gif\" /></a> " : " <a class=\"icon\" ><img src=\"http://image.eduhouse.net/iaeweb_2012/images/btn/btn_end.gif\" /></a> ";
	
	$("#pagingNav").html(pagingTxt);
}