private void ShowColumnSelector(DatabaseObjectType databaseObjectType, IEnumerable <IndexColumn> values, bool columnIsReadonly)
{
frmColumSelect columnSelect = new frmColumSelect()
{
ColumnIsReadOnly = columnIsReadonly
};
IEnumerable <TableColumnDesingerInfo> columns = this.ucColumns.GetColumns().Where(item => !string.IsNullOrEmpty(item.Name));
List <IndexColumn> columnInfos = new List <IndexColumn>();
foreach (TableColumnDesingerInfo column in columns)
{
if (databaseObjectType == DatabaseObjectType.TableIndex)
{
if (!string.IsNullOrEmpty(column.DataType) && string.IsNullOrEmpty(column.ExtraPropertyInfo?.Expression))
{
DataTypeSpecification dataTypeSpec = DataTypeManager.GetDataTypeSpecification(this.displayInfo.DatabaseType, column.DataType);
if (dataTypeSpec != null && !dataTypeSpec.IndexForbidden)
{
columnInfos.Add(new IndexColumn()
{
ColumnName = column.Name
});
}
}
}
}
columnSelect.InitControls(columnInfos, this.displayInfo.DatabaseType == DatabaseType.SqlServer);
columnSelect.LoadColumns(values);
if (columnSelect.ShowDialog() == DialogResult.OK)
{
if (databaseObjectType == DatabaseObjectType.TableIndex)
{
this.ucIndexes.SetRowColumns(columnSelect.SelectedColumns);
}
}
}
public static bool ValidateDataType(DatabaseType databaseType, TableColumnDesingerInfo columnDesingerInfo, out string message)
{
message = "";
if (columnDesingerInfo.IsUserDefined)
{
return(true);
}
string columName = columnDesingerInfo.Name;
string dataType = columnDesingerInfo.DataType;
DataTypeSpecification dataTypeSpec = DataTypeManager.GetDataTypeSpecification(databaseType, dataType);
if (dataTypeSpec == null)
{
message = $"Invalid data type:{dataType}";
return(false);
}
if (!string.IsNullOrEmpty(dataTypeSpec.Args))
{
string length = columnDesingerInfo?.Length?.Trim();
if (string.IsNullOrEmpty(length) && dataTypeSpec.Optional)
{
return(true);
}
if (dataTypeSpec.AllowMax && !string.IsNullOrEmpty(length) && length.ToLower() == "max")
{
return(true);
}
string args = dataTypeSpec.Args;
string[] argsNames = args.Split(',');
string[] lengthItems = length?.Split(',');
if (argsNames.Length != lengthItems?.Length)
{
if (argsNames.Length == 2 && lengthItems?.Length == 1)
{
lengthItems = new string[] { lengthItems[0], "0" };
}
else
{
message = $"Length is invalid for column \"{columName}\", it's format should be:{args}";
return(false);
}
}
int i = 0;
foreach (string argName in argsNames)
{
string lengthItem = lengthItems[i];
ArgumentRange?range = DataTypeManager.GetArgumentRange(dataTypeSpec, argName);
if (range.HasValue)
{
int lenValue;
if (!int.TryParse(lengthItem, out lenValue))
{
message = $"\"{lengthItem}\" is't a valid integer value";
return(false);
}
if (lenValue < range.Value.Min || lenValue > range.Value.Max)
{
message = $"The \"{argName}\"'s range of column \"{columName}\" should be between {range.Value.Min} and {range.Value.Max}";
return(false);
}
}
i++;
}
}
return(true);
}
public static void SetColumnLength(DatabaseType databaseType, TableColumn column, string length)
{
string dataType = column.DataType;
DataTypeSpecification dataTypeSpec = DataTypeManager.GetDataTypeSpecification(databaseType, dataType);
if (!string.IsNullOrEmpty(dataTypeSpec.MapTo))
{
column.DataType = dataTypeSpec.MapTo;
return;
}
string args = dataTypeSpec.Args;
if (string.IsNullOrEmpty(args))
{
return;
}
string[] argsNames = args.Split(',');
string[] lengthItems = length?.Split(',');
int i = 0;
foreach (string argName in argsNames)
{
if (lengthItems == null || i > lengthItems.Length - 1)
{
continue;
}
string lengthItem = lengthItems[i];
if (argName == "length")
{
bool isChar = DataTypeHelper.IsCharType(dataType);
if (isChar)
{
if (dataTypeSpec.AllowMax && lengthItem.ToLower() == "max")
{
column.MaxLength = -1;
}
else
{
column.MaxLength = long.Parse(lengthItem) * (DataTypeHelper.StartWithN(dataType) ? 2 : 1);
}
}
else
{
column.MaxLength = long.Parse(lengthItem);
}
}
else if (argName == "precision" || argName == "dayScale")
{
column.Precision = int.Parse(lengthItem);
}
else if (argName == "scale")
{
column.Scale = int.Parse(lengthItem);
}
i++;
}
}
