/// <summary>
/// clones the instance of this class and the relation data contained in it
/// </summary>
/// <returns></returns>
public override FilterExpressionData Clone()
{
FltAtomExprData thisFa = this as FltAtomExprData;
FltAtomExprData fa = new FltAtomExprData();
fa.Field = thisFa.Field;
fa.Operator = thisFa.Operator;
fa.IsActive = thisFa.IsActive;
fa.PropertyType = thisFa.PropertyType;
fa.Value = thisFa.Value;
fa.Values = thisFa.Values;
fa.Negate = this.Negate;
return(fa);
}
/// <summary>
/// gets the filter for the given field name, if not existing creates a new not-active one with the default 'Contains' field operator
/// </summary>
/// <param name="fieldName"></param>
/// <returns></returns>
public FltAtomExprData GetFilter(string fieldName)
{
if (!FieldFilters.ContainsKey(fieldName))
{
FieldFilters[fieldName] = new FltAtomExprData()
{
Field = fieldName,
Operator = FilterFieldOperator.Equal,
Value = "",
IsActive = false
};
}
return(FieldFilters[fieldName]);
}
public void SetFieldFilterPropertyType(string fieldName, PropertyType type)
{
if (!FieldFilters.ContainsKey(fieldName))
{
FieldFilters[fieldName] = new FltAtomExprData()
{
Field = fieldName,
Operator = FilterFieldOperator.Equal,
IsActive = false
};
}
FltAtomExprData fa = FieldFilters[fieldName];
fa.PropertyType = type;
}
private static FilterExpressionData fromXmlAtom(XElement xml)
{
FltAtomExprData ret = xml.ToObject <FltAtomExprData>
(
new a7MappingXElement2Property("Operator", "Operator",
(s) =>
{
FilterFieldOperator eOp = FilterFieldOperator.Equal;
Enum.TryParse <FilterFieldOperator>(s, true, out eOp);
return(eOp);
}
),
new a7MappingXElement2Property("Negate", "Negate", (s) => s.ToBool(false))
);
ret.IsActive = true;
return(ret);
}
public static FilterExpressionData FromXml(XElement xml)
{
if (xml != null && xml.Name.LocalName.Equals(XElementNames.FilterAtomExpressionNode))
{
return(fromXmlAtom(xml));
}
else if (xml.Name.LocalName.Equals(XElementNames.FilterGroupExpressionNode))
{
return(fromXmlGroup(xml));
}
else if (xml.Name.LocalName.Equals(XElementNames.FilterFalseExprNode))
{
return(FltAtomExprData.AlwaysFalse());
}
else if (xml.Name.LocalName.Equals(XElementNames.FilterTrueExprNode))
{
return(FltAtomExprData.AlwaysTrue());
}
return(null);
}
/// <summary>
/// sets the field filter, if not exist, creates it, with default 'Contains' operator. If value is empty string or null or white space, deactivates the filter
/// </summary>
/// <param name="fieldName"></param>
/// <param name="value"></param>
public void SetFieldFilter(string fieldName, string value)
{
if (!FieldFilters.ContainsKey(fieldName))
{
FieldFilters[fieldName] = new FltAtomExprData()
{
Field = fieldName,
Operator = FilterFieldOperator.Equal,
};
}
FltAtomExprData fa = FieldFilters[fieldName];
if (value.IsNotEmpty())
{
fa.IsActive = true;
fa.Value = value;
}
else
{
fa.IsActive = false;
fa.Value = "";
}
}
