internal PresentableFactTree(XbrlSchema schema, FactCollection facts)
{
TopLevelNodes = new List <PresentableFactTreeNode>();
var presentationLinkbase = schema.PresentationLinkbase;
foreach (var presentationLink in presentationLinkbase.PresentationLinks)
{
var unorderedPresentationArcs = presentationLink.PresentationArcs;
var orderedPresentationArcs = unorderedPresentationArcs.OrderBy(o => o.Order).ToList();
var newTreeNode = new PresentableFactTreeNode();
TopLevelNodes.Add(newTreeNode);
foreach (var orderedPresentationArc in orderedPresentationArcs)
{
// Set the tree node's node fact, if it is not already set.
//
// This code is making an assumption that each arc in the link is set up with
// the same "from" locator, so locating the "from" fact only needs to be done
// if it is not already set. If it is already set, the code assumes that it
// was set from a previous arc and doesn't not need to be set again (presumably
// with the same information it would get this time if it did all of the work
// again).
//
// If the locator references an abstract element, then there will be no fact
// and the value will remain null.
if (newTreeNode.NodeFact == null)
{
var fromLocator = GetLocator(orderedPresentationArc.From, presentationLink);
newTreeNode.PresentationLinkbaseLocator = fromLocator;
newTreeNode.NodeLabel = GetLabel(schema, fromLocator);
var fromElement = GetElement(schema, fromLocator.HrefResourceId);
if (fromElement.IsAbstract == false)
{
var fromFact = facts.GetFactByName(fromElement.Name);
newTreeNode.NodeFact = fromFact;
}
}
var toLocator = GetLocator(orderedPresentationArc.To, presentationLink);
var newChildTreeNode = new PresentableFactTreeNode();
newTreeNode.ChildNodes.Add(newChildTreeNode);
newTreeNode.NodeLabel = GetLabel(schema, toLocator);
newChildTreeNode.PresentationLinkbaseLocator = toLocator;
var toElement = GetElement(schema, toLocator.HrefResourceId);
if (toElement.IsAbstract == false)
{
var toFact = facts.GetFactByName(toElement.Name);
newChildTreeNode.NodeFact = toFact;
}
}
}
}
