/**
 * 序号列宽度自适应
 * @param gridid jqgridid
 */
function autornwidth(gridid){
	var page = $("#"+gridid).jqgrid('getgridparam','page');
    var rows = $('#'+gridid).getgridparam("rownum");
    var maxnum = (rows*page).tostring();
    var len = (maxnum.length)*10;
    $('.jqgfirstrow').find('td').eq(0).css('width',len+'px');
    $('#'+gridid+'_rn').css('width',len+'px');
}
/**
 * 当数据只有一条时默认选中
 * @param gridid
 */
function selectbyonedata(gridid){
	var num = $("#"+gridid).jqgrid('getgridparam', 'records');
    if (num == 1){
    	var ids = jquery("#"+gridid).jqgrid('getdataids');
    	$("#jqg_"+gridid+"_"+ids[0]).attr('checked',true);
    	$("#"+gridid).jqgrid('setselection',ids[0]);
    }
}


function getgridcolumvalue(gridid,columname){
	var rowids = $("#"+gridid).jqgrid('getgridparam', 'selarrrow');
	if (rowids.length < 1){
		return "";
	}
	var str = "";
	for (var i = 0;i < rowids.length; i++){
		var rowdata = $("#"+gridid).jqgrid('getrowdata', rowids[i]);
		str += rowdata[columname]+",";
    }
	if (str != ""){
		str = str.substring(0,str.length-1)
	}
	return str;
}

function batchswitchstatus(gridid, namecolum, statuscolum, status, info){
		var rowids = $("#"+gridid).jqgrid('getgridparam', 'selarrrow');
		if (rowids.length < 1){
			top.$.hn.message.alert("请选择要"+status+"的" + info, "","warn");
			return;
		}
		var str = "";
		var names = "";
		var infos = new array();
		var j=0;
		for (var i = 0; i < rowids.length; i++) {
			
			var rowdata = $("#"+gridid).jqgrid('getrowdata', rowids[i]);
			var temp = rowdata[statuscolum].replace(/<.*?>/ig,"");
			if (status != temp){
				if(j<3){
					names += rowdata[namecolum]+"<br/>";
					if(j==2){
						names += "...";
					}
				}
				str += rowids[i]+",";
				j++;
			}
	    }
		if (names != ""){
			names = names.substring(0,names.length-1);
			str = str.substring(0,str.length-1)
		} else {
			top.$.hn.message.alert("您选择的" + info + "已经是" + status + "状态","", "warn");
	    	return;
		}
		infos[0] = str;
		infos[1] = names;
		return infos;
	}

$(function(){
    $.extend($.jgrid.defaults,{
        mtype:"post",
        datatype:"json",
        autowidth: true,
        height: 270,
        rownum: 20,
        rowlist: [20, 50, 100],
        rownumbers: true,
        pager: "#gridpage",
        viewrecords: true,
        gridcomplete:function(){
            var gridid = $(this).jqgrid("getgridparam","id");
            autornwidth(gridid);
            $(".ui-jqgrid-bdiv table,.ui-jqgrid-htable").css("width",$(".ui-jqgrid-bdiv table").width()-1);
        },
        onpaging:function() {
            var gridid = $(this).jqgrid("getgridparam","id");
            var records = $(this).jqgrid("getgridparam","records");
            var rownum = $(this).jqgrid("getgridparam","rownum");
            var page = $("#gridpage td[dir=ltr] input[class=ui-pg-input]").val();
            var pn = records % rownum == 0 ? records/rownum : parseint(records/rownum) + 1;
            if(page > pn) {// 当跳页值大于总页码查询最后一页
                $("#" + gridid).setgridparam({page:pn}).trigger("reloadgrid");
            }
        }
    });
});

//jqgrid 列合并
function merger(gridname, cellname) {
    //得到显示到界面的id集合
    var mya = $("#" + gridname + "").getdataids();
    //当前显示多少条
    var length = mya.length;
    for (var i = 0; i < length; i++) {
        //从上到下获取一条信息
        var before = $("#" + gridname + "").jqgrid('getrowdata', mya[i]);
        //定义合并行数
        var rowspantaxcount = 1;
        for (j = i + 1; j <= length; j++) {
            //和上边的信息对比 如果值一样就合并行数+1 然后设置rowspan 让当前单元格隐藏
            var end = $("#" + gridname + "").jqgrid('getrowdata', mya[j]);
            if (before[cellname] == end[cellname]) {
                rowspantaxcount++;
                $("#" + gridname + "").setcell(mya[j], cellname, '', { display: 'none' });
            } else {
                rowspantaxcount = 1;
                break;
            }
            $("#" + cellname + "" + mya[i] + "").attr("rowspan", rowspantaxcount);
        }
    }
}