public override void processAction(FormDef model, TreeReference contextRef)
{
//Qualify the reference if necessary
TreeReference qualifiedReference = contextRef == null?target:target.contextualize(contextRef);
//For now we only process setValue actions which are within the
//context if a context is provided. This happens for repeats where
//insert events should only trigger on the right nodes
if (contextRef != null)
{
//Note: right now we're qualifying then testing parentage to see wheter
//there was a conflict, but it's not super clear whether this is a perfect
//strategy
if (!contextRef.isParentOf(qualifiedReference, false))
{
return;
}
}
//TODO: either the target or the value's node might not exist here, catch and throw
//reasonably
EvaluationContext context = new EvaluationContext(model.EvaluationContext, qualifiedReference);
System.Object result;
if (explicitValue != null)
{
result = explicitValue;
}
else
{
result = XPathFuncExpr.unpack(value_Renamed.eval(model.MainInstance, context));
}
AbstractTreeElement node = context.resolveReference(qualifiedReference);
if (node == null)
{
throw new System.NullReferenceException("Target of TreeReference " + qualifiedReference.toString(true) + " could not be resolved!");
}
int dataType = node.getDataType();
IAnswerData val = Recalculate.wrapData(result, dataType);
model.setValue(val == null?null:AnswerDataFactory.templateByDataType(dataType).cast(val.uncast()), qualifiedReference);
}