[IDCS3 WIN] Assert while importing tagged text

Question

Hi,<br /><br />I use the following code to import a tagged text from a buffer into a text frame:<br /><br />IDataBase* database = frameUIDRef.GetDataBase();<br /><br />InterfacePtr<IHierarchy> frameHierarhy(frameUIDRef, UseDefaultIID());<br />int32 count = frameHierarhy->GetChildCount();<br /><br />InterfacePtr<IMultiColumnTextFrame> textFrame(frameHierarhy->QueryChild(0), UseDefaultIID());<br /><br />if( !textFrame )<br />return UIDRef::gNull;<br /><br />UID storyUID = textFrame->GetTextModelUID();<br /><br />InterfacePtr<ITextModel> textModel(database, storyUID, UseDefaultIID());<br /><br />if( !textModel )<br />return UIDRef::gNull;<br /><br />UIDRef result = UIDRef::gNull;<br />InterfacePtr<IK2ServiceRegistry> services(gSession, UseDefaultIID());<br />InterfacePtr<IK2ServiceProvider> service(services->QueryServiceProviderByClassID(kImportProviderService, kTaggedTextImportFilterBoss));<br />InterfacePtr<IImportProvider> prov(service, IID_IIMPORTPROVIDER);<br /><br />InterfacePtr<IPMStream> stream(StreamUtil::CreatePointerStreamRead(taggedtext, strlen(taggedtext)));<br /><br />if (prov->CanImportThisStream(stream) == IImportProvider::kFullImport)<br />{<br />database->BeginTransaction();<br /><br />prov->ImportThis(database, stream, K2::kSuppressUI, &result);  //This line generates the Assert<br /><br />if (result != nil )<br />{<br />Utils<ITextUtils> textUtils;<br />InterfacePtr<ICommand> moveAllStoryCommand(textUtils->QueryMoveStoryFromAllToAllCommand(result, ::GetUIDRef(textModel)));<br />CmdUtils::ProcessCommand(moveAllStoryCommand);<br />}<br />     <br />database->EndTransaction();<br />}<br /><br />It works fine, but when "ImportThis" is called i get this:<br /><br />ASSERT 'fCmdProcessorState == kDoing || fCmdProcessorState != kNotProcessing || cmdMgrRef.GetDataBase()->GetUndoSupport() == IDataBase::kNoUndoSupport' in ..\..\..\source\components\appframework\commandmgmt\CommandProcessor.cpp at line 2889 failed.<br /><br />Any help would be appreciated.<br />Thanks in advance, David

Answer 1

I would say the problem here is in using database->BeginTransaction()/EndTransaction(). Basically you should never call these methods - you need to find/create a command to do the processing instead, then perhaps wrap the two commands in a command sequence.
I know there was a post saying ' don't use those methods' a long time ago by Ken Sadahiro (then of Adobe) - you might find it with a search, though will have been archived by now.
Ian