/**
 * 查询配置模板
 */
var ReportTemplate = function() {

	var me;

	return {
		init : function() {
			me = this;
			var params = $('#reportConfigId').val();
			params = params.split('=');
			$('#reportConfigId').val(params[1]);
			$.getJSON('/report/config/queryById', {
				id : params[1]
			}, function(data) {
				me.parseSearchTable(data.terms);
				me.parseDataGrid(params[1], data.fields);
			});
		},

		/** 解析查询条件 */
		parseSearchTable : function(terms) {
			var tab = [];

			for (var i = 0; i < terms.length; i++) {
				var term = terms[i];
				var className = '', addition = '';
				var required = term.required == 1 ? 'true' : 'false';

				tab.push('<li style="float: left; margin: 5px 0px;">');
				tab.push('<span style="display: inline-block; width: 80px; text-align: right;">');
				tab.push(term.title + '：</span>');
				tab.push('<input type="text" name="' + term.sqlField + '" ');
				switch (term.pageFieldType) {
				case 'text':
					className = 'easyui-textbox';
					break;
				case 'number':
					className = 'easyui-numberbox';
					break;
				case 'calendar':
					className = 'easyui-datebox';
					break;
				case 'select':
					className = 'easyui-combobox';
					addition = ', editable:false, valueField:\'sysKey\',textField:\'sysValue\',url:\'/report/config/querySysConfig?parentCode=' + term.selectKey + '\'';
					break;
				}
				tab.push('<input type="text" name="' + term.sqlField + '"');
				tab.push(' class="search-input ' + className + '"');
				tab.push(' data-options="required:' + required + addition + '"');
				tab.push(' />');
				tab.push('</li>');
			}
			tab.push('<li style="float: left; margin: 5px 0px;">');
			tab.push('&nbsp;&nbsp;<a href="javascript:ReportTemplate.search()" class="easyui-linkbutton search-button" data-options="iconCls:\'icon-search\'">搜索</a>');
			tab.push('&nbsp;&nbsp;<a href="javascript:ReportTemplate.exportExcel()" class="easyui-linkbutton search-button" data-options="iconCls:\'icon-save\'">导出</a></li>');
			
			$('#search-table').append(tab.join(''));
			$.parser.parse('#search-table');
		},
		
		/**解析查询结果*/
		parseDataGrid: function(id, fields) {
			var columns = new Array();
			for (var i = 0; i < fields.length; i++) {
				var column = {}, field = fields[i];
				column.field = field.fieldName;
				column.title = field.title;
				if (field.fieldWidth > 0) {
					column.width = field.fieldWidth;
				}
				if (field.fieldShow == '0') {
					column.hidden = true;
				}
				/*
				 * formatter方法要写成以下的格式：
				   (function(value, row, index) {
						return value;
					})
				 */
				if (field.formatter != '') {
					column.formatter =  eval(field.formatter);
				}
				if (field.styler != '') {
					column.styler =  eval(field.styler);
				}
				columns.push(column);
			}
			$('#data-grid').datagrid({
				//url : '/report/config/templateQuery',
				queryParams : App.dataGridQueryParams('search-form'),
				columns : [columns],
				showFooter : true,
				onLoadSuccess : function (data) {
					//-1时表示后台报错
					if (data.total <= 0) {
						var firstField = fields[0].fieldName;
						var appendRow = new Object();
						var mergeCells = { index: 0, field: firstField, colspan: fields.length };
						var message = data.total == 0 ? '没有查询到数据!' : data.rows;
						
						appendRow[firstField] = '<div style="text-align:center;color:red"><span title="' + message + '">' + message + '</span></div>';
						//$(this).datagrid('deleteRow', 0);
						//添加一个新数据行，第一列的值为你需要的提示信息，然后将其他列合并到第一列来，注意修改colspan参数为你columns配置的总列数
		                $(this).datagrid('appendRow', appendRow).datagrid('mergeCells', mergeCells);
		                //隐藏分页导航条，这个需要熟悉datagrid的html结构，直接用jquery操作DOM对象，easyui datagrid没有提供相关方法隐藏导航条
		                $(this).closest('div.datagrid-wrap').find('div.datagrid-pager').hide();
					} else {
						//如果通过调用reload方法重新加载数据有数据时显示出分页导航容器
						$(this).closest('div.datagrid-wrap').find('div.datagrid-pager').show();
					}
				}
			});
		},
		
		search : function() {
			if ($('#search-form').form('validate')) {
				$('#data-grid').datagrid({
					url : '/report/config/templateQuery',
					queryParams : App.dataGridQueryParams('search-form')
				});
			}
		},
		
		exportExcel : function() {
			//jquery form表单.serialize()序列化后中文乱码，是因为.serialize()自动调用了encodeURIComponent方法将数据编码了
			//调用decodeURIComponent(xxx, true);将数据解码 
			//http://ollevere.iteye.com/blog/1554355
			var params = $('#search-form').serialize();
			params = decodeURIComponent(params, true);
			params = encodeURI(encodeURI(params));
			window.open('/report/config/templateExport?' + params);
		}

	}
}();

$(function() {
	ReportTemplate.init();
});