public override bool IsValidFor(DataSchema dataSchema, Type propertyType)
{
if (null == propertyType)
{
return(false);
}
var columnType = dataSchema.GetWrappedValueType(propertyType);
columnType = Nullable.GetUnderlyingType(columnType) ?? columnType;
return(convertibleTypes.ContainsKey(columnType) && columnType != typeof(string) && columnType != typeof(bool));
}
public override bool IsValidFor(DataSchema dataSchema, Type columnType)
{
var type = dataSchema.GetWrappedValueType(columnType);
if (typeof(IFormattable).IsAssignableFrom(type))
{
return(false);
}
if (type.IsPrimitive)
{
return(false);
}
return(true);
}
public static Type GetTypeToConvertOperandTo(DataSchema dataSchema, Type columnType)
{
if (null == columnType)
{
return(typeof(string));
}
columnType = dataSchema.GetWrappedValueType(columnType);
columnType = Nullable.GetUnderlyingType(columnType) ?? columnType;
Type typeToConvertTo;
if (convertibleTypes.TryGetValue(columnType, out typeToConvertTo))
{
return(typeToConvertTo);
}
return(typeof(string));
}
public override bool IsValidForType(DataSchema dataSchema, Type type)
{
type = dataSchema.GetWrappedValueType(type);
return(TypeDescriptor.GetConverter(type).CanConvertTo(typeof(double)));
}
public override bool IsValidFor(DataSchema dataSchema, Type propertyType)
{
if (null == propertyType)
{
return false;
}
var columnType = dataSchema.GetWrappedValueType(propertyType);
columnType = Nullable.GetUnderlyingType(columnType) ?? columnType;
return convertibleTypes.ContainsKey(columnType) && columnType != typeof (string) && columnType != typeof(bool);
}
public override bool IsValidFor(DataSchema dataSchema, Type columnType)
{
return typeof (string) == dataSchema.GetWrappedValueType(columnType);
}
public static Type GetTypeToConvertOperandTo(DataSchema dataSchema, Type columnType)
{
if (null == columnType)
{
return typeof (string);
}
columnType = dataSchema.GetWrappedValueType(columnType);
columnType = Nullable.GetUnderlyingType(columnType) ?? columnType;
Type typeToConvertTo;
if (convertibleTypes.TryGetValue(columnType, out typeToConvertTo))
{
return typeToConvertTo;
}
return typeof (string);
}
public override bool IsValidFor(DataSchema dataSchema, Type columnType)
{
return(typeof(string) == dataSchema.GetWrappedValueType(columnType));
}
