protected Layout <T> WithMember(Expression <Func <T, object> > expression, Action <IFieldSettings> settings)
{
var fieldSettings = new FieldSettings <T>(expression);
settings(fieldSettings);
InnerFields.Add(fieldSettings);
return(this);
}
protected override object GetFieldValueFromString(FieldSettings <T> fieldSettings, string memberValue)
{
if (!string.IsNullOrEmpty(Quotes))
{
memberValue = memberValue.Replace(Quotes, String.Empty);
}
return(base.GetFieldValueFromString(fieldSettings, memberValue));
}
protected Layout <T> WithMember <TMember>(Expression <Func <T, TMember> > expression, Action <IFieldSettings <T, TMember> > settings)
{
var fieldSettings = new FieldSettings <T, TMember>(expression);
settings(fieldSettings);
fieldSettings.FieldValueConverter = fieldSettings.FieldValueConverter ?? new FieldValueConverter <TMember>();
InnerFields.Add(fieldSettings);
return(this);
}
protected override string GetStringValueFromField(FieldSettings <T> field, object fieldValue)
{
var stringValue = base.GetStringValueFromField(field, fieldValue);
if (!string.IsNullOrEmpty(Quotes))
{
stringValue = string.Format("{0}{1}{0}", Quotes, stringValue);
}
return(stringValue);
}
protected virtual object GetFieldValueFromString(FieldSettings <T> fieldSettings, string memberValue)
{
if (fieldSettings.IsNullable && memberValue.Equals(fieldSettings.NullValue))
{
return(null);
}
memberValue = fieldSettings.PadLeft
? memberValue.TrimStart(new char[] { fieldSettings.PaddingChar })
: memberValue.TrimEnd(new char[] { fieldSettings.PaddingChar });
//TODO: Execute here custom converters
return(Convert.ChangeType(memberValue, fieldSettings.ConvertToType));
}
protected virtual string GetStringValueFromField(FieldSettings <T> field, object fieldValue)
{
if (fieldValue == null)
{
return(field.NullValue);
}
string lineValue = fieldValue.ToString();
if (lineValue.Length < field.Length)
{
lineValue = field.PadLeft
? lineValue.PadLeft(field.Length, field.PaddingChar)
: lineValue.PadRight(field.Length, field.PaddingChar);
}
return(lineValue);
}