private void m_MSAPopupTreeManager_AfterSelect(object sender, TreeViewEventArgs e)
{
// unless we get a mouse click or simulated mouse click (e.g. by ENTER or TAB),
// do not treat as an actual selection.
if (m_handlingMessage || e.Action != TreeViewAction.ByMouse)
{
return;
}
HvoTreeNode htn = e.Node as HvoTreeNode;
if (htn == null)
{
return;
}
// Don't try changing values on a deleted object! See LT-8656 and LT-9119.
if (!m_cache.VerifyValidObject(m_obj))
{
return;
}
int hvoSel = htn.Hvo;
// if hvoSel is negative, then MSAPopupTreeManager's AfterSelect has handled it,
// except possibly for refresh.
if (hvoSel < 0)
{
ContainingDataTree.RefreshList(false);
return;
}
LexSense sense = m_obj as LexSense;
// Setting sense.DummyMSA can cause the DataTree to want to refresh. Don't
// let this happen until after we're through! See LT-9713 and LT-9714.
bool fOldDoNotRefresh = ContainingDataTree.DoNotRefresh;
try
{
m_handlingMessage = true;
int clidSel = 0;
if (hvoSel > 0)
{
clidSel = m_cache.GetClassOfObject(hvoSel);
}
bool didChange = false;
if (clidSel == PartOfSpeech.kclsidPartOfSpeech)
{
ContainingDataTree.DoNotRefresh = true;
m_cache.BeginUndoTask(
String.Format(DetailControlsStrings.ksUndoSet, m_fieldName),
String.Format(DetailControlsStrings.ksRedoSet, m_fieldName));
DummyGenericMSA dummyMSA = new DummyGenericMSA();
dummyMSA.MsaType = sense.GetDesiredMsaType();
dummyMSA.MainPOS = hvoSel;
MoStemMsa stemMsa = sense.MorphoSyntaxAnalysisRA as MoStemMsa;
if (stemMsa != null)
{
dummyMSA.FromPartsOfSpeech = stemMsa.FromPartsOfSpeechRC;
}
sense.DummyMSA = dummyMSA;
didChange = true;
}
else if (sense.MorphoSyntaxAnalysisRAHvo != hvoSel)
{
ContainingDataTree.DoNotRefresh = true;
m_cache.BeginUndoTask(
String.Format(DetailControlsStrings.ksUndoSet, m_fieldName),
String.Format(DetailControlsStrings.ksRedoSet, m_fieldName));
sense.MorphoSyntaxAnalysisRAHvo = hvoSel;
didChange = true;
}
if (didChange)
{
m_cache.EndUndoTask();
}
if (!ContainingDataTree.RefreshListNeeded)
{
m_MSAPopupTreeManager.LoadPopupTree(sense.MorphoSyntaxAnalysisRAHvo);
// Don't refresh the datatree unless the popup has actually been loaded.
// It could be setting the selection in the process of loading! See LT-9191.
if (m_MSAPopupTreeManager.IsTreeLoaded)
{
ContainingDataTree.RefreshList(false);
}
}
}
finally
{
m_handlingMessage = false;
// We still can't refresh the data at this point without causing a crash due to
// a pending Windows message. See LT-9713 and LT-9714.
if (ContainingDataTree.DoNotRefresh != fOldDoNotRefresh)
{
Mediator.BroadcastMessage("DelayedRefreshList", fOldDoNotRefresh);
}
}
}
