public static string IdentifyRegex = @"^(children|descendants)(\[(selected|deselected|unselected)\])?$", SplitRegex = null; //example : "descendants"
public override IEvalResult[] Eval(IEvalResult[] parameters)
{
// Setup parameters and variables
List<BLL.BusinessObjects.Feature> featureReferences = new List<BusinessObjects.Feature>();
foreach (IEvalResult parameter in parameters)
{
try
{
ObjectReference objRef = (ObjectReference)parameter;
featureReferences.Add((BusinessObjects.Feature)objRef.GetReference());
}
catch (Exception ex)
{
throw new SyntaxIncorrectException();
}
}
List<BLL.BusinessObjects.Feature> selectedFeatures = new List<BusinessObjects.Feature>();
// Select all the features
if (_syntaxString.Contains("children"))
{
//Children selector
foreach (BLL.BusinessObjects.Feature featureRef in featureReferences)
{
selectedFeatures.AddRange(_configSession.Model.GetChildFeatures(featureRef));
}
}
else if (_syntaxString.Contains("descendants"))
{
//Descendants selector
foreach (BLL.BusinessObjects.Feature featureRef in featureReferences)
{
selectedFeatures.AddRange(_configSession.Model.GetDescendantFeatures(featureRef));
}
}
// null if takes all the features
BusinessObjects.FeatureSelectionStates? featureSelectionState = null;
// find the feture state and save it to featureSelectionState, featureSelectionState remains null if could not find
foreach (var featureState in Enum.GetValues(typeof(BusinessObjects.FeatureSelectionStates)))
{
// get the state name
string enumSelector = string.Format(@"[{0}]", featureState.ToString().ToLower());
if (_syntaxString.Contains(enumSelector))
{
featureSelectionState = (BusinessObjects.FeatureSelectionStates)featureState;
break;
}
}
// Return a list of references pointing the selected features
List<IEvalResult> returnRef = new List<IEvalResult>();
foreach (BLL.BusinessObjects.Feature childFeature in selectedFeatures)
{
// Only childFeatures which are selected in the configuration
BLL.BusinessObjects.FeatureSelection featureSelection = _configSession.Configuration.GetFeatureSelectionByFeatureID(childFeature.ID);
// get all if there was no selector, else get only those which are of the given state
if (featureSelectionState == null || featureSelection.SelectionState == featureSelectionState)
{
object target = (object)childFeature;
ObjectReference objRef = new ObjectReference(ref target);
returnRef.Add(objRef);
}
//if (fSelection.SelectionState == BusinessObjects.FeatureSelectionStates.Selected)
//{
// //
// object target = (object)childFeature;
// ObjectReference objRef = new ObjectReference(ref target);
// returnRef.Add(objRef);
//}
}
return returnRef.ToArray();
}
public static string IdentifyRegex = "^[A-z,0-9]+$", SplitRegex = null; //example : "FeatureName"
public override IEvalResult[] Eval(IEvalResult[] parameters)
{
//Get parameters
List<BLL.BusinessObjects.Feature> featureReferences = new List<BusinessObjects.Feature>();
foreach (IEvalResult parameter in parameters)
{
try
{
ObjectReference objRef = (ObjectReference)parameter;
featureReferences.Add((BusinessObjects.Feature)objRef.GetReference());
}
catch (Exception ex)
{
throw new SyntaxIncorrectException();
}
}
//Get the Attributes and AttributeValues
List<BLL.BusinessObjects.AttributeValue> attributeValues = new List<BusinessObjects.AttributeValue>();
foreach (BLL.BusinessObjects.Feature featureRef in featureReferences)
{
//Get the Attribute
string attributeIdentifier = _syntaxString;
BusinessObjects.Attribute attribute = _configSession.Model.GetAttributeByIdentifier(featureRef, attributeIdentifier);
if (attribute != null) //if the feature doesn't have the Attribute, it is ignored
{
//Get the AttributeValue
BusinessObjects.AttributeValue attributeValue = _configSession.Configuration.GetAttributeValueByAttributeID(attribute.ID);
attributeValues.Add(attributeValue);
}
}
//Return a list of references pointing to the each of the childFeatures
List<IEvalResult> returnRef = new List<IEvalResult>();
foreach (BLL.BusinessObjects.AttributeValue attrValue in attributeValues)
{
object target = (object)attrValue;
FieldReference objRef = new FieldReference(target, "Value");
returnRef.Add(objRef);
}
return returnRef.ToArray();
}
