private NodeTestResult AddSeqNode(ArrayList path, XmlNode node, ObjSeqHashMap reuseMap, string editor,
int flid, ICmObject obj, int indent, ref int insertPosition, bool fTestOnly,
string layoutName, bool fVisIfData, XmlNode caller)
{
if (flid == 0)
throw new ApplicationException("field attribute required for seq properties " + node.OuterXml);
int cobj = m_cache.GetVectorSize(obj.Hvo, flid);
// monitor it even if we're testing: result may change.
m_monitoredProps.Add(new KeyValuePair<int, int>(obj.Hvo, flid));
if (fVisIfData && cobj == 0)
return NodeTestResult.kntrNothing;
if (fTestOnly)
{
if (cobj > 0 || XmlUtils.GetOptionalAttributeValue(node, "ghost") != null)
return NodeTestResult.kntrSomething;
else
return NodeTestResult.kntrPossible;
}
path.Add(node);
string layoutOverride = XmlUtils.GetOptionalAttributeValue(node, "layout", layoutName);
if (cobj == 0)
{
// Nothing in seq....do we want a ghost slice?
if (XmlUtils.GetOptionalAttributeValue(node, "ghost") != null)
{
MakeGhostSlice(path, node, reuseMap, obj, flid, caller, indent, ref insertPosition);
}
}
else if (cobj < 15 || // This may be a little on the small side
m_currentObjectFlids.Contains(flid) ||
(!String.IsNullOrEmpty(m_currentSlicePartName) && m_currentSliceObjHvo != 0 && m_currentSliceNew == null))
{
// Create slices immediately
foreach (int hvo in m_cache.GetVectorProperty(obj.Hvo, flid, false))
{
path.Add(hvo);
insertPosition = CreateSlicesFor(CmObject.CreateFromDBObject(m_cache, hvo),
layoutOverride, indent, insertPosition, path, reuseMap, caller);
path.RemoveAt(path.Count - 1);
}
}
else
{
// Create unique DummyObjectSlices for each slice. This may reduce the initial
// preceived benefit, but this way doesn't crash now that the slices are being
// disposed of.
int cnt = 0;
foreach (int hvo in m_cache.GetVectorProperty(obj.Hvo, flid, false))
{
path.Add(hvo);
DummyObjectSlice dos = new DummyObjectSlice(this, indent, node, (ArrayList)(path.Clone()),
obj, flid, cnt, layoutOverride, caller);
dos.Cache = m_cache;
InsertSlice(insertPosition++, dos);
////InstallSlice(dos, -1);
////ResetTabIndices(insertPosition);
////insertPosition++;
path.RemoveAt(path.Count - 1);
cnt++;
}
}
path.RemoveAt(path.Count - 1);
return NodeTestResult.kntrNothing;
}
/// <summary>
/// Turn this dummy slice into whatever it stands for, replacing itself in the data tree's
/// slices (where it occupies slot index) with whatever is appropriate.
/// </summary>
/// <param name="index"></param>
/// <returns></returns>
public override Slice BecomeReal(int index)
{
CheckDisposed();
// We stand in for the slice at 'index', and that is to be replaced. But we might stand for earlier
// slices too: how many indicates what we have to add to m_ihvoMin.
// Note: I (RandyR) don't think the same one can stand in for multiple dummies now.
// We don't use a dummy slice in more than one place.
// Each are created individually, if more than one is needed.
int ihvo = m_ihvoMin;
for (int islice = index - 1; islice >= 0 && Parent.Controls[islice] == this; islice--)
ihvo++;
string mode = XmlUtils.GetOptionalAttributeValue(m_node, "mode");
int hvo = m_cache.GetVectorItem(m_obj.Hvo, m_flid, ihvo);
// In the course of becoming real, we may get disposed. That clears m_path, which
// has various bad effects on called objects that are trying to use it, as well as
// causing failure here when we try to remove the thing we added temporarily.
// Work with a copy, so Dispose can't get at it.
ArrayList path = new ArrayList(m_path);
if (ihvo == m_ihvoMin)
{
// made the first element real. Increment start ihvo: the first thing we are a
// dummy for got one greater
m_ihvoMin++;
}
else if (index < Parent.Controls.Count && Parent.Controls[index + 1] == this)
{
// Any occurrences after index get replaced by a new one with suitable ihvoMin.
// Note this must be done before we insert an unknown number of extra slices
// by calling CreateSlicesFor.
DummyObjectSlice dosRep = new DummyObjectSlice(ContainingDataTree, m_indent, m_node, path,
m_obj, m_flid, ihvo + 1, m_layoutName, m_caller);
dosRep.Cache = this.Cache;
for (int islice = index + 1;
islice < Parent.Controls.Count && Parent.Controls[islice] == this;
islice++)
{
ContainingDataTree.RawSetSlice(islice, dosRep);
}
}
// Save these, we may get disposed soon, can't get them from member data any more.
DataTree containingTree = ContainingDataTree;
Control parent = Parent;
path.Add(hvo);
ICmObject objItem = CmObject.CreateFromDBObject(ContainingDataTree.Cache, hvo);
Point oldPos = ContainingDataTree.AutoScrollPosition;
int insertPosition = ContainingDataTree.CreateSlicesFor(objItem, m_layoutName, m_indent, index + 1, path,
new ObjSeqHashMap(), m_caller);
// If inserting slices somehow altered the scroll position, for example as the
// silly Panel tries to make the selected control visible, put it back!
if (containingTree.AutoScrollPosition != oldPos)
containingTree.AutoScrollPosition = new Point(-oldPos.X, -oldPos.Y);
// No need to remove, we added to copy.
//m_path.RemoveAt(m_path.Count - 1);
if (parent.Controls.Count > index + 1)
return parent.Controls[index + 1] as Slice;
else
return null;
}
private NodeTestResult AddSeqNode(ArrayList path, XmlNode node, ObjSeqHashMap reuseMap, int flid,
ICmObject obj, Slice parentSlice, int indent, ref int insertPosition, bool fTestOnly, string layoutName,
bool fVisIfData, XmlNode caller)
{
if (flid == 0)
throw new ApplicationException("field attribute required for seq properties " + node.OuterXml);
int cobj = m_cache.DomainDataByFlid.get_VecSize(obj.Hvo, flid);
// monitor it even if we're testing: result may change.
m_monitoredProps.Add(Tuple.Create(obj.Hvo, flid));
if (fVisIfData && cobj == 0)
return NodeTestResult.kntrNothing;
if (fTestOnly)
{
if (cobj > 0 || XmlUtils.GetOptionalAttributeValue(node, "ghost") != null)
return NodeTestResult.kntrSomething;
return NodeTestResult.kntrPossible;
}
path.Add(node);
string layoutOverride = XmlUtils.GetOptionalAttributeValue(node, "layout", layoutName);
string layoutChoiceField = XmlUtils.GetOptionalAttributeValue(node, "layoutChoiceField");
if (cobj == 0)
{
// Nothing in seq....do we want a ghost slice?
if (XmlUtils.GetOptionalAttributeValue(node, "ghost") != null)
{
MakeGhostSlice(path, node, reuseMap, obj, parentSlice, flid, caller, indent, ref insertPosition);
}
}
else if (cobj < kInstantSliceMax || // This may be a little on the small side
m_currentObjectFlids.Contains(flid) ||
(!String.IsNullOrEmpty(m_currentSlicePartName) && m_currentSliceObjGuid != Guid.Empty && m_currentSliceNew == null))
{
//Create slices immediately
var contents = SetupContents(flid, obj);
foreach (int hvo in contents)
{
path.Add(hvo);
insertPosition = CreateSlicesFor(m_cache.ServiceLocator.GetInstance<ICmObjectRepository>().GetObject(hvo),
parentSlice, layoutOverride, layoutChoiceField, indent, insertPosition, path, reuseMap, caller);
path.RemoveAt(path.Count - 1);
}
}
else
{
// Create unique DummyObjectSlices for each slice. This may reduce the initial
// preceived benefit, but this way doesn't crash now that the slices are being
// disposed of.
int cnt = 0;
var contents = SetupContents(flid, obj);
foreach (int hvo in contents)
{
// TODO (DamienD): do we need to add the layout choice field to the monitored props for a dummy slice?
// LT-12302 exposed a path through here that was messed up when hvo was added before Dummy slices
//path.Add(hvo); // try putting this AFTER the dos creation
var dos = new DummyObjectSlice(indent, node, (ArrayList)(path.Clone()),
obj, flid, cnt, layoutOverride, layoutChoiceField, caller) {Cache = m_cache, ParentSlice = parentSlice};
path.Add(hvo);
// This is really important. Since some slices are invisible, all must be,
// or Show() will reorder them.
dos.Visible = false;
InsertSlice(insertPosition++, dos);
path.RemoveAt(path.Count - 1);
cnt++;
}
}
path.RemoveAt(path.Count - 1);
return NodeTestResult.kntrNothing;
}