private void WriteConceptMember(IPresenterWriter presenterWriter, ConceptMember conceptMember, Axis verticalAxis, IList <Member> horizontalAxisMembers, FactSet facts)
{
var hypercubeAxis = conceptMember.HypercubeAxis;
if (hypercubeAxis != null)
{
if (horizontalAxisMembers.Count != 1)
{
throw new InvalidOperationException($"Hypercubes require a single period, but the hypercube '{conceptMember.Label}' has {horizontalAxisMembers.Count} periods.");
}
// It is crucial to include related aspects to keep beginning/end of period
// facts in the fact set.
var periodSlicedFactSet = facts.Slice(horizontalAxisMembers.Single(), includeRelatedAspects: true);
var reducedFactSet = periodSlicedFactSet.Reduce(hypercubeAxis);
if (!reducedFactSet.FactModels.Any())
{
// No fact in this hypercube axis: nothing to show.
// This should not happen since the concept axis got reduced already.
return;
}
var verticalChildAxis = verticalAxis.CreateChildAxis(conceptMember);
// Clear the hypercube axis to signal consumption and avoid infinite loop.
conceptMember.HypercubeAxis = null;
WriteTable(presenterWriter, verticalChildAxis, hypercubeAxis, reducedFactSet);
return;
}
var verticallySlicedFactSet = facts.Slice(conceptMember, false);
var cellFacts = new Dictionary <Member, FactModel>();
foreach (var horizontalAxisMember in horizontalAxisMembers)
{
// It is crucial to include related aspects to keep beginning/end of period
// facts in the fact set.
var horizontallySlicedFactSet = verticallySlicedFactSet.Slice(horizontalAxisMember, true);
var cellFact = horizontallySlicedFactSet.GetCellFact();
cellFacts[horizontalAxisMember] = cellFact;
}
presenterWriter.WriteConcept(conceptMember, cellFacts);
foreach (var childMember in conceptMember.Children.Cast <ConceptMember>())
{
WriteConceptMember(presenterWriter, childMember, verticalAxis, horizontalAxisMembers, facts);
}
}
private ConceptMember TraversePresentationNetwork(LocatorNode node, Uri preferredLabelRole, ISet <XName> hypercubeDimensionNames)
{
var concept = node.Item;
var aspect = new ConceptAspect(concept.Name);
var member = new ConceptMember(aspect)
{
Item = concept,
PreferredLabelRole = preferredLabelRole,
Label = concept.FindLabel(preferredLabelRole),
HypercubeDimensionNames = hypercubeDimensionNames
};
var outgoingArcs = node.GetOrderedOutgoingHierarchicalArcs <PresentationArc>();
var attachedHypercube = GetAttachedHypercube(node);
if (attachedHypercube != null)
{
if (outgoingArcs.Count != 1)
{
throw new InvalidOperationException($"The hypercube {attachedHypercube.HypercubeItem.Name} has {outgoingArcs.Count} line items children, but exactly one is expected.");
}
var outgoingArc = outgoingArcs.Single();
// We are replicating and adding the line items tree for each axis, including the respective dimension name to each concept member.
foreach (var hypercubeAxis in attachedHypercube.Axes)
{
var childHypercubeDimensionNames = new HashSet <XName>(hypercubeDimensionNames)
{
hypercubeAxis.Dimension.Name
};
var child = TraversePresentationNetwork(outgoingArc.ToLocator, outgoingArc.PreferredLabelRole, childHypercubeDimensionNames);
child.HypercubeAxis = hypercubeAxis;
member.AddChild(child);
}
}
else
{
foreach (var outgoingArc in outgoingArcs)
{
var child = TraversePresentationNetwork(outgoingArc.ToLocator, outgoingArc.PreferredLabelRole, hypercubeDimensionNames);
member.AddChild(child);
}
}
return(member);
}
