doc_manager.cpp

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    CRef<IDocument> doc(new CSeqIdDocument(scope, id));
    sm_Documents.push_back(doc);
    sm_ScopeIdx[ CRef<CScope>(&scope) ] = doc;

    return doc.GetPointer();
}


IDocument* CDocManager::CreateDocument(CScope& scope, const CSerialObject& obj)
{
    CMutexGuard LOCK(s_DocMgrMutex);
    CRef<IDocument> doc(new CSerialObjDocument(scope, obj));
    sm_Documents.push_back(doc);
    sm_ScopeIdx[ CRef<CScope>(&scope) ] = doc;

    return doc.GetPointer();
}


//
// ReleaseDocument()
// this is responsible for making sure that documents can indeed
// be deleted
//
bool CDocManager::ReleaseDocument(IDocument* doc)
{
    CMutexGuard LOCK(s_DocMgrMutex);
    CRef<IDocument> ref(doc);
    TDocList::iterator iter =
        std::find(sm_Documents.begin(), sm_Documents.end(), ref);
    if (iter != sm_Documents.end()) {

        // clear all views from the document first
        doc->Clear();
        sm_Documents.erase(iter);

        // also remove it from the scope index
        NON_CONST_ITERATE (TScopeIndex, iter, sm_ScopeIdx) {
            if (iter->second.GetPointer() == doc) {
                sm_ScopeIdx.erase(iter);
                break;
            }
        }

        UpdateAllViews();

        LOG_POST(Error << "unloaded document: " << ref->GetShortTitle());
        return true;
    } else {
        return false;
    }
}


//
// CachePluginMessage
// Cache the plugin messgae for the Most Recent Used list
// 
void CDocManager::AddMRUEntry(objects::CPluginMessage& msg, string label)
{
    // Cache messages whose reply is not formatted
    if (msg.GetReply().IsSetFormatted()) {
        return;
    }
    
    CMutexGuard LOCK(s_DocMgrMutex);
//    sm_PluginMessageCache.Add(msg, CPluginUtils::GetPluginMessageLabel(msg));
    GetMRUCache().Add(msg, label);
}

CPluginMRUList& CDocManager::GetMRUCache(void)
{
    if ( !sm_PluginMessageCache ) {
        CMutexGuard LOCK(s_DocMgrMutex);
        if ( !sm_PluginMessageCache ) {
            sm_PluginMessageCache.Reset(new CPluginMRUList("mru-cache"));
        }
    }
    return *sm_PluginMessageCache;
}

END_NCBI_SCOPE


/*
 * ===========================================================================
 * $Log: doc_manager.cpp,v $
 * Revision 1000.5  2004/06/01 20:43:48  gouriano
 * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.50
 *
 * Revision 1.50  2004/06/01 18:02:19  dicuccio
 * Changed GetPluginMessageCache() -> GetMRUCache()
 *
 * Revision 1.49  2004/05/21 22:27:40  gorelenk
 * Added PCH ncbi_pch.hpp
 *
 * Revision 1.48  2004/05/18 11:13:24  friedman
 * Handle adding recently loaded documents into the MRU list.
 *
 * Revision 1.47  2004/05/07 15:40:33  dicuccio
 * gui/objutils/clipboard -> gui/objutils/obj_clipboard
 *
 * Revision 1.46  2004/05/03 12:48:46  dicuccio
 * gui/utils --> gui/objutils where needed
 *
 * Revision 1.45  2004/04/21 17:12:33  dicuccio
 * Added const version of GetDocumentFromScope()
 *
 * Revision 1.44  2004/04/16 14:37:28  dicuccio
 * Remove dead code in Update()
 *
 * Revision 1.43  2004/04/07 12:45:06  dicuccio
 * Formatting changes.  Added scope -> document index.  Added
 * GetDocumentFromScope()
 *
 * Revision 1.42  2004/03/30 17:09:01  tereshko
 * Added NotifyAllViews function
 *
 * Revision 1.41  2004/02/17 20:35:23  rsmith
 * moved core/settings.[ch]pp and core/system_path.[ch]pp to config and utils, respectively.
 *
 * Revision 1.40  2004/02/03 21:24:11  dicuccio
 * Clear the clipboard on ShutDown()
 *
 * Revision 1.39  2004/01/07 17:39:01  vasilche
 * Fixed include path to genbank loader.
 *
 * Revision 1.38  2003/12/22 19:18:48  dicuccio
 * COmmented out unnecessary view update
 *
 * Revision 1.37  2003/11/14 17:50:58  dicuccio
 * Fix silly compiler error introduced in last commit.
 *
 * Revision 1.36  2003/11/14 17:44:18  dicuccio
 * Changed ShutDown() to clear more components
 *
 * Revision 1.35  2003/11/04 17:15:52  dicuccio
 * Added more to ShutDown(): clear the object store; clear the registry
 *
 * Revision 1.34  2003/10/07 13:46:14  dicuccio
 * Drop documents in reverse order (safety concern if documents are
 * interdependent)
 *
 * Revision 1.33  2003/09/16 14:01:40  dicuccio
 * Removed CSeqannotDocument - replaced with generic CSerialObjDocument
 *
 * Revision 1.32  2003/09/04 14:01:51  dicuccio
 * Introduce IDocument and IView as abstract base classes for CDocument and CView
 *
 * Revision 1.31  2003/06/30 13:32:34  dicuccio
 * Removed GenBank data loader - this now lives in a plugin of its own
 *
 * Revision 1.30  2003/06/29 13:10:17  dicuccio
 * Use DEFINE_STATIC_MUTEX() instead of static member variables
 *
 * Revision 1.29  2003/06/25 17:02:54  dicuccio
 * Split CPluginHandle into a handle (pointer-to-implementation) and
 * implementation file.  Lots of #include file clean-ups.
 *
 * Revision 1.28  2003/06/18 13:54:48  rsmith
 * cnstr/destr of sm_Views or sm_Documents uses s_DocMgrMutex. Set order
 * accordingly.  Useless to guard GetSettings since a reference is returned.
 *
 * Revision 1.27  2003/06/02 16:06:17  dicuccio
 * Rearranged src/objects/ subtree.  This includes the following shifts:
 *     - src/objects/asn2asn --> arc/app/asn2asn
 *     - src/objects/testmedline --> src/objects/ncbimime/test
 *     - src/objects/objmgr --> src/objmgr
 *     - src/objects/util --> src/objmgr/util
 *     - src/objects/alnmgr --> src/objtools/alnmgr
 *     - src/objects/flat --> src/objtools/flat
 *     - src/objects/validator --> src/objtools/validator
 *     - src/objects/cddalignview --> src/objtools/cddalignview
 * In addition, libseq now includes six of the objects/seq... libs, and libmmdb
 * replaces the three libmmdb? libs.
 *
 * Revision 1.26  2003/05/30 14:15:41  dicuccio
 * Renamed MessageBox to NcbiMessageBox because brain-dead MSVC thinks this is
 * ::MessageBox and rewrites the symbol as MessageBoxA, which results in an
 * unresolved external and conflict with the Win32 API :(.
 *
 * Revision 1.25  2003/05/30 12:56:50  dicuccio
 * Converted code to use MessageBox() instead of
 * fl_ask()/fl_message()/fl_alert()
 *
 * Revision 1.24  2003/05/09 14:29:35  dicuccio
 * Remember to update all docmanager views after deleting a document.  Changed
 * log messaged for deleted document
 *
 * Revision 1.23  2003/05/08 20:10:24  dicuccio
 * Added LOG_POST for unloading documents
 *
 * Revision 1.22  2003/05/08 16:18:59  dicuccio
 * Changed CFastMutex --> CMutex - guards against recursive locking
 *
 * Revision 1.21  2003/04/30 13:53:14  dicuccio
 * Made access of CDocManager internals thread safe
 *
 * Revision 1.20  2003/04/29 14:37:17  dicuccio
 * Removed old typing system
 *
 * Revision 1.19  2003/04/24 16:27:09  dicuccio
 * Added new marshalling functions for creating documents from given object
 * components.
 *
 * Revision 1.18  2003/04/16 11:38:13  dicuccio
 * Reordered shutdown procedure - clear current doc manager views first
 *
 * Revision 1.17  2003/03/17 14:49:54  dicuccio
 * Removed header file dependency on view.hpp
 *
 * Revision 1.16  2003/03/10 22:58:51  kuznets
 * iterate -> ITERATE
 *
 * Revision 1.15  2003/02/20 19:49:54  dicuccio
 * Created new plugin architecture, based on ASN.1 spec.  Moved GBENCH frameowrk
 * over to use new plugin architecture.
 *
 * Revision 1.14  2003/02/05 19:50:52  dicuccio
 * Wrapped creation of a data loader in a try{}...catch(){} to avoid fatal
 * exceptions if there is no network available.
 *
 * Revision 1.13  2003/01/15 21:07:52  dicuccio
 * Added CSettings member variable.  Removed a number of dead _TRACE()
 * statements
 *
 * Revision 1.12  2003/01/13 13:10:06  dicuccio
 * Namespace clean-up.  Retired namespace gui -> converted all to namespace
 * ncbi.  Moved all FLUID-generated code into namespace ncbi.
 *
 * Revision 1.11  2003/01/10 17:36:41  dicuccio
 * Changed TPluginList --> TPlugins
 *
 * Revision 1.10  2002/12/30 17:53:26  dicuccio
 * Modified function of ReleaseDocument() - don't call UpdateAllViews() (this
 * function is called from a menu callback; we delay this call to avoid
 * inadvertently returning to a destroyed object).
 *
 * Revision 1.9  2002/12/20 19:16:49  dicuccio
 * Better handling of document release - must free views before releasing
 * document; also, notify all views and documents of a release through a new
 * event
 *
 * Revision 1.8  2002/12/12 15:17:30  dicuccio
 * Added a selection buffer specific to the document manager - provides global
 * selections
 *
 * Revision 1.7  2002/11/29 16:34:59  dicuccio
 * Reformatted tabs -> spaces
 *
 * Revision 1.6  2002/11/29 16:03:06  dicuccio
 * Removed a bunch of dead code.  Modified the use of NCBI_THROW to be correct
 * and avoid compile errors on Windows.
 *
 * Revision 1.5  2002/11/25 20:53:05  dicuccio
 * Changed singleton implementation of CDocManager to pure static implementation
 * (more in line with rest of framework)
 *
 * Revision 1.4  2002/11/14 16:15:48  dicuccio
 * Removed unecessary _TRACE() macros
 *
 * Revision 1.3  2002/11/09 20:50:09  dicuccio
 * Changed IDocument::x_GetViews() (non-const) and x_AttachView() from private
 * to public.
 *
 * Revision 1.2  2002/11/07 18:38:21  dicuccio
 * Changed the auto_ptr<> implementation to be a static auto_ptr<>.
 * Changed code to use ERR_POST() and _TRACE().
 *
 * Revision 1.1  2002/11/06 15:49:47  dicuccio
 * Initial revision
 *
 * ===========================================================================
 */