/// <summary>
/// Creates DTO type (class)
/// </summary>
/// <param name="data">data as a data source</param>
/// <param name="addSupportProperties">Tru for generating properties with suffixes Required, Error, and HasError</param>
/// <returns>Newly created type</returns>
private static Type CreateType(DataCollection data, bool addSupportProperties, string dtoTypeFullName)
{
// Get type builder from newly created assembly
// Define dynamic assembly
AssemblyName assemblyName = new AssemblyName();
assemblyName.Name = dtoTypeFullName + ".dll";
AssemblyBuilder assemblyBuilder = AppDomain.CurrentDomain.DefineDynamicAssembly(assemblyName, AssemblyBuilderAccess.Run);
ModuleBuilder moduleBuilder = assemblyBuilder.DefineDynamicModule(assemblyName.Name);
// Define type
TypeBuilder typeBuilder = moduleBuilder.DefineType(dtoTypeFullName
, TypeAttributes.Public |
TypeAttributes.Class |
TypeAttributes.AutoClass |
TypeAttributes.AnsiClass |
TypeAttributes.BeforeFieldInit |
TypeAttributes.AutoLayout
, typeof(BindableObject));
// Get ConstructorInfo for base class (BindableObject)
ConstructorInfo constructorInfo = typeof(BindableObject).GetConstructor(new Type[] { typeof(DataCollection) });
// Define DTO constructor
//var defaultConstructor = typeBuilder.DefineConstructor(MethodAttributes.Public, CallingConventions.Standard, null);
Type[] constructorArguments = new Type[] { typeof(DataCollection) };
ConstructorBuilder constructorBuilder = typeBuilder.DefineConstructor(MethodAttributes.Public, CallingConventions.Standard, constructorArguments);
// Generate DTO constructor
ILGenerator getILGenerator = constructorBuilder.GetILGenerator();
getILGenerator.Emit(OpCodes.Ldarg_0); // Load BindableObject on stack
getILGenerator.Emit(OpCodes.Ldarg_1); // Load DataRow on stack
getILGenerator.Emit(OpCodes.Call, constructorInfo); // Call BindableObject constructor
getILGenerator.Emit(OpCodes.Ret);
//// Generate DTO constructor
//var defaultgenerator = defaultConstructor.GetILGenerator();
//defaultgenerator.Emit(OpCodes.Ldarg_0); // Load BindableObject on stack
//defaultgenerator.Emit(OpCodes.Ldarg_1); // Load DataRow on stack
////defaultgenerator.Emit(OpCodes.Call); // Call BindableObject constructor
//defaultgenerator.Emit(OpCodes.Ret);
foreach (var dc in data.Items)
{
Type datatype = typeof(string);
if (Data.TypeHelper.IsNumber(dc.DataType))
{
datatype = typeof(decimal);
}
else if (typeof(DateTime) == dc.DataType)
{
datatype = typeof(DateTime);
}
CreateProperty(typeBuilder, dc.Key, datatype);
//if (addSupportProperties)
//{
// CreateSupportProperty(typeBuilder, dc.ColumnName, "Required", Type.GetType("System.Boolean"), true, false);
// CreateSupportProperty(typeBuilder, dc.ColumnName, "HasError", Type.GetType("System.Boolean"), true, false);
// CreateSupportProperty(typeBuilder, dc.ColumnName, "Error", Type.GetType("System.String"), true, false);
// CreateSupportProperty(typeBuilder, dc.ColumnName, "DataSourceNullValue", Type.GetType("System.String"), true, true);
//}
}
//if (addSupportProperties)
//{
// CreateSupportProperty(typeBuilder, null, "HasNoErrors", Type.GetType("System.Boolean"), true, false);
//}
return(typeBuilder.CreateType());
}
/// <summary>
/// Generates bindable object
/// </summary>
/// <param name="dataRow">DataRow instance</param>
/// <param name="addSupportProperties">True for generating properties with suffixes Required, Error, and HasError</param>
/// <returns>Generated bindable object</returns>
public static BindableObject GetBindableData(DataCollection data, Type dtoType)
{
var obj = Activator.CreateInstance(dtoType, data);//, new object[] { dataRow }
return((BindableObject)obj);
}
public BindableObject(DataCollection collection)
{
_dataCollection = collection;
}
