/// <summary>
/// Returns a formatted value for the attribute <paramref name="value"/>. If the value is a catalog entry, the catalog value will
/// be returned. This method uses the <paramref name="provider"/> for formatting the value. If the <paramref name="provider"/>
/// is not specified, the <see cref="CultureInfo.CurrentUICulture"/> is used to format the resulting value.
/// </summary>
public string GetFormattedValue(ushort key, string value, CatalogCollection catalogs, IFormatProvider provider = null)
{
if (value == null)
{
return(null);
}
var def = GetDefinition(key);
if (def is CatalogAttributeDefinition)
{
if (catalogs != null)
{
var entry = catalogs[((CatalogAttributeDefinition)def).Catalog, value];
if (entry != null)
{
return(entry.ToString(CultureInfo.InvariantCulture));
}
}
}
else if (value.Length > 0)
{
try
{
var attDef = (AttributeDefinition)def;
switch (attDef.Type)
{
case AttributeType.Integer:
return(int.Parse(value, CultureInfo.InvariantCulture).ToString(provider ?? CultureInfo.CurrentUICulture));
case AttributeType.Float:
return(double.Parse(value, CultureInfo.InvariantCulture).ToString(provider ?? CultureInfo.CurrentUICulture));
case AttributeType.DateTime:
return(XmlConvert.ToDateTime(value, XmlDateTimeSerializationMode.RoundtripKind).ToString(provider ?? CultureInfo.CurrentUICulture));
}
}
catch
{
// ignored
}
}
return(value);
}
/// <summary>
/// Returns the value represented by <paramref name="attributeValue"/>. <paramref name="attributeValue"/> musst be the language neutral database entry of an attribute.
/// I.e. if an attribute represents a catatalogue entry, the catalog entry is returned. If an attribute represents a normal value
/// of type string, int, double or DateTime the value is returned with that type.
/// </summary>
public object ParseValue(ushort key, string attributeValue, CatalogCollection catalogs)
{
object result = attributeValue;
if (attributeValue != null)
{
var def = GetDefinition(key);
var definition = def as CatalogAttributeDefinition;
if (definition != null)
{
if (catalogs != null)
{
result = catalogs[definition.Catalog, attributeValue];
}
}
else if (attributeValue.Length > 0)
{
try
{
var attDef = ( AttributeDefinition )def;
switch (attDef.Type)
{
case AttributeType.Integer: result = int.Parse(attributeValue, CultureInfo.InvariantCulture); break;
case AttributeType.Float: result = double.Parse(attributeValue, CultureInfo.InvariantCulture); break;
case AttributeType.DateTime: result = XmlConvert.ToDateTime(attributeValue, XmlDateTimeSerializationMode.RoundtripKind); break;
}
}
catch
{
// ignored
}
}
}
return(result ?? attributeValue);
}