private void DisplayCurrentRoot()
{
if (m_currentRoot > 0)
{
m_xrev.DatTree.Visible = true;
ICmObjectRepository repo = m_cache.ServiceLocator.GetInstance <ICmObjectRepository>();
ICmObject root;
// JohnT: I don't know why this is done at all. Therefore I made a minimal change rather than removing it
// altogether. If someone knows why it sometimes needs doing, please comment. Or if you know why it once did
// and it no longer applies, please remove it. I added the test that the Clerk is not aleady looking
// at this object to suppress switching back to the raw text pane when clicking on the Info pane of an empty text.
// (FWR-3180)
if (repo.TryGetObject(m_currentRoot, out root) && root is IStText && m_xrev.Clerk.CurrentObjectHvo != m_currentRoot)
{
m_xrev.Clerk.JumpToRecord(m_currentRoot);
}
}
else if (m_currentRoot == 0)
{
m_xrev.DatTree.Visible = false;
}
}
protected AnalysisOccurrence GetAnalysisFromSelection(IVwSelection sel)
{
AnalysisOccurrence result = null;
var cvsli = sel.CLevels(false);
cvsli--; // CLevels includes the string property itself, but AllTextSelInfo doesn't need it.
// Out variables for AllTextSelInfo.
int ihvoRoot;
int tagTextProp;
int cpropPrevious;
int ichAnchor;
int ichEnd;
int ws;
bool fAssocPrev;
int ihvoEnd;
ITsTextProps ttpBogus;
// Main array of information retrieved from sel.
var rgvsli = SelLevInfo.AllTextSelInfo(sel, cvsli,
out ihvoRoot, out tagTextProp, out cpropPrevious, out ichAnchor, out ichEnd,
out ws, out fAssocPrev, out ihvoEnd, out ttpBogus);
if (rgvsli.Length > 1)
{
// Need to loop backwards until we get down to index 1 or index produces a valid Segment.
var i = rgvsli.Length - 1;
ISegment seg = null;
for (; i > 0; i--)
{
// get the container for whatever is selected at this level.
ICmObject container;
if (!m_objRepo.TryGetObject(rgvsli[i].hvo, out container))
{
return(null); // may fail, e.g., trying to get bookmark for text just deleted.
}
seg = container as ISegment;
if (seg != null)
{
break;
}
}
if (seg != null && i > 0) // This checks the case where there is no Segment in the selection at all
{
// Make a new AnalysisOccurrence
var selObject = m_objRepo.GetObject(rgvsli[i - 1].hvo);
if (selObject is IAnalysis)
{
var indexInContainer = rgvsli[i - 1].ihvo;
result = new AnalysisOccurrence(seg, indexInContainer);
}
if (result == null || !result.IsValid)
{
result = new AnalysisOccurrence(seg, 0);
}
}
else
{
// TODO: other possibilities?!
Debug.Assert(false, "Reached 'other' situation in OccurrenceContainingSelection().");
}
}
return(result);
}