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- /*
- File: CappuccinoUtils.cpp
-
- Contains: Cappuccino utility functions & classes
-
- Written by: Steve Smith and Troy Gaul
-
- Copyright: © 1994 - 1995 by Apple Computer, Inc., all rights reserved.
- */
-
- // -- Compiler/Preprocessor Switches --
-
- #ifndef _COMPILERDEFS_
- #include "CompDefs.h"
- #endif
-
- // -- OpenDoc Utilities --
-
- #ifndef _EXCEPT_
- // Exceptions define several important macros (ie. CHECKENV)
- // which are used in the SOM method dispatch glue. If Except.h
- // is not included early enough, exceptions may not be thrown
- // correctly when returning from a SOM method with the "ev" parameter set.
- #include <Except.h>
- #endif
-
- // --- Cappuccino Includes ---
-
- #ifndef _CAPPUCCINOUTILS_
- #include "CappuccinoUtils.h"
- #endif
-
- #ifndef _CAPPUCCINODEF_
- #include "CappuccinoDef.h"
- #endif
-
- // --- OpenDoc Includes ---
-
- #ifndef SOM_ODArbitrator_xh
- #include <Arbitrat.xh>
- #endif
-
- #ifndef SOM_ODFacet_xh
- #include <Facet.xh>
- #endif
-
- #ifndef SOM_ODFrame_xh
- #include <Frame.xh>
- #endif
-
- #ifndef SOM_ODDocument_xh
- #include <Document.xh>
- #endif
-
- #ifndef SOM_ODDraft_xh
- #include <Draft.xh>
- #endif
-
- #ifndef SOM_ODNameSpaceManager_xh
- #include <NmSpcMg.xh>
- #endif
-
- #ifndef SOM_ODContainer_xh
- #include <ODCtr.xh>
- #endif
-
- #ifndef SOM_ODSession_xh
- #include <ODSessn.xh>
- #endif
-
- #ifndef _ODTYPES_
- #include <ODTypes.h>
- #endif
-
- #ifndef SOM_Module_OpenDoc_StdProps_defined
- #include <StdProps.xh>
- #endif
-
- #ifndef SOM_Module_OpenDoc_StdTypes_defined
- #include <StdTypes.xh>
- #endif
-
- #ifndef SOM_Module_OpenDoc_StdDefs_defined
- #include <StdDefs.xh>
- #endif
-
- #ifndef SOM_ODStorageUnit_xh
- #include <StorageU.xh>
- #endif
-
- #ifndef SOM_ODStorageUnitView_xh
- #include <SUView.xh>
- #endif
-
- #ifndef SOM_ODValueNameSpace_xh
- #include <ValueNS.xh>
- #endif
-
- #ifndef SOM_ODWindowState_xh
- #include <WinStat.xh>
- #endif
-
- // -- OpenDoc Utilities --
-
- #ifndef _BNDNSUTL_
- #include <BndNSUtl.h>
- #endif
-
- #ifndef _DLOGUTIL_
- #include <DlogUtil.h>
- #endif
-
- #ifndef _DOCUTILS_
- #include <DocUtils.h>
- #endif
-
- #ifndef _ISOSTR_
- #include <ISOStr.h>
- #endif
-
- #ifndef _ODDEBUG_
- #include <ODDebug.h>
- #endif
-
- #ifndef _ODUTILS_
- #include <ODUtils.h>
- #endif
-
- #ifndef _STDTYPIO_
- #include <StdTypIO.h>
- #endif
-
- #ifndef _STORUTIL_
- #include <StorUtil.h>
- #endif
-
- #ifndef _TEMPOBJ_
- #include <TempObj.h>
- #endif
-
- #ifndef _TEMPITER_
- #include <TempIter.h>
- #endif
-
- #ifndef _USERSRCM_
- #include <UseRsrcM.h>
- #endif
-
- // --- Macintosh Includes ---
-
- #ifndef __GESTALT__
- #include <Gestalt.h>
- #endif
-
- #ifndef __GXMATH__
- #include <GXMath.h>
- #endif
-
- #ifndef __RESOURCES__
- #include <Resources.h>
- #endif
-
- #ifndef __SCRIPT__
- #include <Script.h>
- #endif
-
- #ifndef __SPEECH__
- #include <Speech.h>
- #endif
-
- #ifndef __TEXTUTILS__
- #include <TextUtils.h>
- #endif
-
-
- #pragma segment CappuccinoUtilities
-
-
- //==============================================================================
- // Utility Functions
- //==============================================================================
- #pragma mark • Utility Functions •
-
- //------------------------------------------------------------------------------
- // GetPartName
- //------------------------------------------------------------------------------
-
- ODIText* GetPartName(Environment* ev, ODPart* part, ODType category)
- {
- ASSERT(part != kODNULL, kODErrIllegalNullPartInput);
-
- // Get the root part of the document.
- ODDraft* draft = ODGetDraft(ev,part);
- TempODPart rootPart = ODAcquireRootPartOfDraft(ev, draft);
-
- // Get the part name.
- // If we can't get a valid name for the part, we generate one using
- // the user visible category name of the part's category.
- TempODIText partName = ODGetITextProp(ev, part->GetStorageUnit(ev),
- kODPropName, kODMacIText, kODNULL);
-
- // If the part is the root of the document, return the name of the file.
- if ( ODObjectsAreEqual(ev, part, rootPart) )
- {
- ODContainer* container = draft->GetDocument(ev)->GetContainer(ev);
- TempPlatformFile file = GetPlatformFileFromContainer(ev, container);
-
- TempODIText fileName = file->GetName();
-
- // Test the file name against the part name. If the two are equivalent
- // (not equal), then use the part name.
- if ( !NamesAreEquivalent(ev, fileName, partName) )
- {
- // If the names are different, return the file name.
- // (This code transfers the ODIText object to the partName tempobj)
- DisposeIText(partName.DontDelete());
- partName = fileName.DontDelete();
- }
- }
- else
- {
- if ( (partName == kODNULL) || (GetITextStringLength(partName) == 0) )
- {
- ODIText* categoryName;
- ODNameSpaceManager* nsMgr = ODGetSession(ev,part)->GetNameSpaceManager(ev);
-
- // Get the category string from the category name space.
- if ( GetUserCatFromCat(nsMgr, category, &categoryName) )
- {
- // If we successfully retrieved the category user string, return it.
- // (This code transfers the ODIText object to the partName tempobj)
- DisposeIText(partName.DontDelete());
- partName = categoryName;
- }
- else
- {
- #if ODDebug
- // This should never happen. Check NMAP for errors.
- DebugStr("\pCategory NMAP bad, or Preferences corrupted.");
- #else
- THROW(kODErrInvalidNSType);
- #endif
- }
- }
- }
-
- return partName.DontDelete();
- }
-
- //------------------------------------------------------------------------------
- // NamesAreEquivalent
- //------------------------------------------------------------------------------
-
- ODBoolean NamesAreEquivalent(Environment* ev, ODIText* fileName,
- ODIText* partName)
- {
- Str255 fileStr;
- Str255 partStr;
-
- // If the strings are in different languages, we're done.
- if ( (GetITextScriptCode(fileName) != GetITextScriptCode(partName)) ||
- GetITextLangCode(fileName) != GetITextLangCode(partName) )
- return kODFalse;
-
- GetITextPString(fileName, fileStr);
- GetITextPString(partName, partStr);
-
- // If the string lengths are different, we're done.
- if ( fileStr[0] != partStr[0] )
- return kODFalse;
-
- // Return the Toolbox string equivalence test.
- return EqualString(fileStr,partStr,kODTrue,kODTrue);
- }
-
- //------------------------------------------------------------------------------
- // GetEditorScriptLanguage
- //------------------------------------------------------------------------------
-
- void GetEditorScriptLanguage(Environment* ev, ODScriptCode* script,
- ODLangCode* language)
- {
- long region;
-
- ODSLong rfRef;
- rfRef = BeginUsingLibraryResources();
- {
- Handle versHdl = Get1Resource('vers', 1);
-
- // Get the region code of the editor, otherwise use the
- // region code the of the primary system script.
-
- if ( versHdl )
- {
- region = (long)(*(VersRecHndl)versHdl)->countryCode;
- ReleaseResource(versHdl);
- }
- else
- {
- region = GetScriptManagerVariable(smRegionCode);
- }
-
- // Spanish & Japanese are not actually supported by the editor.
- // They are provided as examples of how to add recognition of
- // additional regions (see Script.h for region codes).
-
- switch ((short)region) {
- case verUS:
- *script = smRoman;
- *language = langEnglish;
- break;
- case verSpain:
- *script = smRoman;
- *language = langSpanish;
- break;
- case verJapan:
- *script = smJapanese;
- *language = langJapanese;
- break;
- default:
- *script = smRoman;
- *language = langEnglish;
- }
- }
- EndUsingLibraryResources(rfRef);
- }
-
- //------------------------------------------------------------------------------
- // FixedToIntRect
- //------------------------------------------------------------------------------
-
- void FixedToIntRect(ODRect& fixedRect, Rect& intRect)
- {
- intRect.top = FixedToInt(fixedRect.top);
- intRect.left = FixedToInt(fixedRect.left);
- intRect.bottom = FixedToInt(fixedRect.bottom);
- intRect.right = FixedToInt(fixedRect.right);
- }
-
- //------------------------------------------------------------------------------
- // IntToFixedRect
- //------------------------------------------------------------------------------
-
- void IntToFixedRect(Rect& intRect, ODRect& fixedRect)
- {
- fixedRect.left = ff(intRect.left);
- fixedRect.top = ff(intRect.top);
- fixedRect.right = ff(intRect.right);
- fixedRect.bottom = ff(intRect.bottom);
- }
-
- //------------------------------------------------------------------------------
- // LoadThumbnail
- //------------------------------------------------------------------------------
-
- void LoadThumbnail(Environment* ev, Handle* thumbnail)
- {
- if ( *thumbnail ) return;
-
- ODSLong rfRef;
- rfRef = BeginUsingLibraryResources();
- {
- *thumbnail = (Handle) GetPicture(kThumbnailPicture);
- }
- EndUsingLibraryResources(rfRef);
- }
-
- //------------------------------------------------------------------------------
- // TilePartWindow
- //------------------------------------------------------------------------------
-
- Rect TilePartWindow(Environment* ev, Rect* facetBounds, Rect* partWindowBounds)
- {
- const short kWindowTilingConst = 20;
- const short kLeftToRight = 0;
- const short kRightToLeft = -1;
-
- short direction;
-
- // Get the direction for the primary script system running on this machine.
- // (Right-to-Left or Left-to-Right)
- direction = GetSysDirection();
-
- // The child window should be tiled from the topLeft corner of the
- // active facet whose frame is being opened.
- if ( direction == kLeftToRight )
- {
- // Position the window rect at the top/left corner of the facet.
- OffsetRect(partWindowBounds, facetBounds->left, facetBounds->top);
- // Now tile the window rect down and to the right.
- OffsetRect(partWindowBounds, kWindowTilingConst, kWindowTilingConst);
- }
- // The child window should be tiled from the topRight corner of the
- // active facet whose frame is being opened.
- else if ( direction == kRightToLeft )
- {
- // Position the window rect at the top/right corner of the facet.
- OffsetRect(partWindowBounds, (partWindowBounds->right - facetBounds->right),
- facetBounds->top);
- // Now tile the window rect down and to the left.
- OffsetRect(partWindowBounds, -kWindowTilingConst, kWindowTilingConst);
- }
-
- return *partWindowBounds;
- }
-
- //------------------------------------------------------------------------------
- // CountFacets
- //------------------------------------------------------------------------------
-
- ODUShort CountFacets(Environment* ev, ODFrame* frame)
- {
- ODUShort facetCount = 0;
- ODFacet* facet;
-
- TempODFrameFacetIterator ffiter(ev, frame);
- facet = ffiter.First();
- while ( ffiter.IsNotComplete() )
- {
- facetCount++;
- facet = ffiter.Next();
- }
-
- return facetCount;
- }
-
- //------------------------------------------------------------------------------
- // HasFocusFromSet
- //------------------------------------------------------------------------------
-
- ODBoolean HasAnyFocusInSet(Environment* ev, ODFrame* frame, ODFocusSet* set)
- {
- ASSERT_NOT_NULL(frame);
- ASSERT_NOT_NULL(set);
-
- ODBoolean hasFocus = kODFalse;
-
- TempODFocusSetIterator iter(ev, set);
- for ( ODTypeToken focus = iter.First(); iter.IsNotComplete();
- focus = iter.Next() )
- {
- TempODPart part = frame->AcquirePart(ev);
- ODArbitrator* arbitrator = ODGetSession(ev, part)->GetArbitrator(ev);
-
- TempODFrame focusFrame = arbitrator->AcquireFocusOwner(ev, focus);
- if ( ODObjectsAreEqual(ev, focusFrame, frame) )
- {
- hasFocus = kODTrue;
- break;
- }
- }
-
- return hasFocus;
- }
-
- //------------------------------------------------------------------------------
- // SetPreferredKind
- //------------------------------------------------------------------------------
-
- void SetPreferredKind( Environment* ev,
- ODStorageUnit* su,
- ODValueType kind )
- {
- TRY
- if ( kind == kODNULL )
- ODSURemoveProperty(ev, su, kODPropPreferredKind);
- else
- ODSetISOStrProp(ev, su, kODPropPreferredKind, kODISOStr, kind);
- CATCH_ALL
- // Remove the property and value if something went wrong.
- ODSURemoveProperty(ev, su, kODPropPreferredKind);
- ENDTRY
- }
-
- //------------------------------------------------------------------------------
- // DuplicateISOStr
- //------------------------------------------------------------------------------
-
- ODISOStr DuplicateISOStr( ODISOStr string )
- {
- // Since ISO strings are just C strings, we call the following ODUtils
- // routine:
- return ODISOStrFromCStr(string);
- }
-
- //------------------------------------------------------------------------------
- // HasSpeech
- //------------------------------------------------------------------------------
-
- ODBoolean HasSpeech()
- {
- ODBoolean hasSpeech = kODFalse;
-
- #ifdef powerc
- // There is not yet a CFM-68K shared library for the speech manager, so
- // we must disable that menu item.
-
- long response;
- OSErr error = Gestalt(gestaltSpeechAttr, &response);
-
- if ( error == noErr
- && (response & (1 << gestaltSpeechMgrPresent))
- && (void*) SpeakString != (void*) kUnresolvedCFragSymbolAddress )
- {
- hasSpeech = kODTrue;
- }
- #endif
-
- return hasSpeech;
- }
-
- //------------------------------------------------------------------------------
- // FINF struct
- //------------------------------------------------------------------------------
-
- struct FINF
- {
- short font;
- short face;
- short size;
- };
-
- //------------------------------------------------------------------------------
- // GetIndFINF
- // (must have focused resource fork before calling)
- //------------------------------------------------------------------------------
-
- static FINF GetIndFINF(short id, short num)
- {
- FINF finf;
-
- finf.font = systemFont;
- finf.face = 0;
- finf.size = 0;
-
- if (num > 0)
- {
- Handle fh = GetResource('finf', id);
- if ( fh && num <= *(short *)(*fh) )
- finf = ((FINF*) ((*fh) + 2)) [num - 1];
- }
-
- return finf;
- }
-
- //------------------------------------------------------------------------------
- // SetDialogDefaults
- //------------------------------------------------------------------------------
-
- void SetDialogDefaults(DialogPtr dialog, ODUShort finfID, ODUShort index)
- {
- FINF finf;
-
- SetDialogDefaultItem(dialog, ok);
- SetDialogCancelItem(dialog, cancel);
-
- if ( finfID != 0 )
- {
- SetPort(dialog);
-
- finf = GetIndFINF(finfID, index);
-
- TextFont(finf.font);
- TextSize(finf.size);
- TextFace(finf.face);
-
- DialogPeek dialogPeek = (DialogPeek) dialog;
- (**(dialogPeek->textH)).txFont = finf.font;
- (**(dialogPeek->textH)).txSize = finf.size;
- (**(dialogPeek->textH)).txFace = finf.face;
-
- FontInfo finfo;
- GetFontInfo(&finfo);
- (**(dialogPeek->textH)).lineHeight = finfo.leading + finfo.ascent + finfo.descent;
- (**(dialogPeek->textH)).fontAscent = finfo.ascent;
-
- TECalText(dialogPeek->textH);
- }
- }
-
- //------------------------------------------------------------------------------
- // IsNumericCharacter
- //------------------------------------------------------------------------------
-
- static ODBoolean IsNumericCharacter( UInt32 charKeyCode )
- {
- char charCode = charKeyCode & charCodeMask;
- return (charCode >= '0' && charCode <= '9');
- }
-
- //------------------------------------------------------------------------------
- // IsControlCharacter
- //------------------------------------------------------------------------------
-
- static ODBoolean IsControlCharacter( UInt32 charKeyCode )
- {
- const char kMaxControlChar = 0x1f;
-
- char charCode = charKeyCode & charCodeMask;
- return (charCode <= kMaxControlChar);
- }
-
- //------------------------------------------------------------------------------
- // IntegerDialogFilter
- //------------------------------------------------------------------------------
-
- pascal ODBoolean IntegerDialogFilter( DialogPtr dialog,
- EventRecord* event,
- short* itemHit )
- {
- ODBoolean result = kODFalse;
-
- if ( event->what == keyDown ) // just looking for keystrokes
- {
- if ( !IsNumericCharacter(event->message) && !IsControlCharacter(event->message) )
- {
- char charCode = event->message & charCodeMask;
- ODBoolean disallow = kODFalse;
-
- switch ( charCode )
- {
- case '.':
- // We need to allow command-., but disallow just '.':
- if ( (event->modifiers & cmdKey) != cmdKey )
- disallow = kODTrue;
- break;
-
- default:
- // For all non-numeric keystrokes, beep at the user
- // and clear the event so the char is not typed.
- disallow = kODTrue;
- break;
- }
-
- if ( disallow )
- {
- // In order to disallow the entry, beep at the user
- // and clear the event so the char is not typed.
- SysBeep(1);
- event->what = nullEvent;
- }
- }
- }
-
- if ( result == kODFalse )
- result = ODDialogFilterProc(dialog, event, itemHit);
-
- return result;
- }
-
- //==============================================================================
- // CTempDialogState helper class
- //
- // This is a stack-based object that sets up state for a modal dialog in its
- // constructor, and resets the state in the destructor. It deactivates the
- // front window, removes the "Redo" item from the Edit menu, and updates the
- // Mac scrap.
- //
- // This is similar to the CWithDialogState class from the printing utility,
- // but this version also ensapsulates the usage of library resources so that
- // they will be available for the life of the dialog.
- //==============================================================================
- #pragma mark • CTempDialogState •
-
- //------------------------------------------------------------------------------
- // CTempDialogState Constructor
- //------------------------------------------------------------------------------
-
- CTempDialogState::CTempDialogState( Environment *ev, ODSession *session )
- {
- fEv = ev;
- fSession = session;
- fDialogPtr = kODNULL;
- fResRefNum = -1;
-
- fResRefNum = BeginUsingLibraryResources();
- TempODMenuBar menuBar = fSession->GetWindowState(ev)->AcquireCurrentMenuBar(ev);
- fSession->GetWindowState(ev)->DeactivateFrontWindows(ev);
- ODDialogBegin(ev, session, menuBar, kODNULL);
- }
-
- //------------------------------------------------------------------------------
- // CTempDialogState Destructor
- //------------------------------------------------------------------------------
-
- CTempDialogState::~CTempDialogState( )
- {
- if (fDialogPtr)
- {
- DisposeDialog(fDialogPtr);
- fDialogPtr = kODNULL;
- }
-
- ODDialogEnd();
- fSession->GetWindowState(fEv)->ActivateFrontWindows(fEv);
-
- ODSLong ref = fResRefNum;
- if ( ref != -1 ) // Make sure it's done only once
- {
- fResRefNum = -1;
- EndUsingLibraryResources(ref);
- }
- }
-
- //------------------------------------------------------------------------------
- // CTempDialogState::CreateDialog
- //------------------------------------------------------------------------------
- DialogPtr CTempDialogState::CreateDialog( ODSShort resID )
- {
- WASSERT(fDialogPtr == kODNULL);
-
- fDialogPtr = ODGetNewDialog(fEv, resID, fSession);
- THROW_IF_NULL(fDialogPtr);
-
- return fDialogPtr;
- }
-
- //==============================================================================
- // CFrameProxy
- //==============================================================================
- #pragma mark • CFrameProxy •
-
- //------------------------------------------------------------------------------
- // CFrameProxy::~CFrameProxy
- //------------------------------------------------------------------------------
-
- CFrameProxy::~CFrameProxy()
- {
- ODSafeReleaseObject(fFrame);
- }
-
- //------------------------------------------------------------------------------
- // CFrameProxy::InitFrameProxy (ODDraft)
- //------------------------------------------------------------------------------
-
- void CFrameProxy::InitFrameProxy(ODID frameID, ODDraft* draft)
- {
- ASSERT(draft!=kODNULL, kODErrIllegalNullInput);
-
- fFrame = kODNULL;
- fID = frameID;
- fDraft = draft;
- }
-
- //------------------------------------------------------------------------------
- // CFrameProxy::InitFrameProxy (ODFrame)
- //------------------------------------------------------------------------------
-
- void CFrameProxy::InitFrameProxy(Environment* ev, ODFrame* frame)
- {
- ASSERT(frame!=kODNULL, kODErrIllegalNullFrameInput);
-
- this->SetFrame(ev,frame);
- }
-
- //------------------------------------------------------------------------------
- // CFrameProxy::SetFrame
- //
- // The code will not affect the proxy fields unless it can
- // successfully acquire the incoming frame, its id, and
- // the draft the frame lives in. If something goes wrong,
- // the proxy remains unchanged.
- //------------------------------------------------------------------------------
-
- void CFrameProxy::SetFrame(Environment* ev, ODFrame* frame)
- {
- ASSERT_NOT_NULL(frame);
-
- // Perform all the operations that can fail first.
- TempODPart tPart = frame->AcquirePart(ev);
- ODDraft* draft = ODGetDraft(ev, tPart);
- ODID id = frame->GetID(ev);
-
- // Release the previously referenced frame and acquire the new one.
- ODTransferReference(ev, fFrame, frame);
-
- // If all went well, set the proxy fields.
- fFrame = frame;
- fID = id;
- fDraft = draft;
- }
-
- //------------------------------------------------------------------------------
- // CFrameProxy::GetFrame
- //------------------------------------------------------------------------------
-
- ODFrame* CFrameProxy::GetFrame(Environment* ev)
- {
- if ( fFrame == kODNULL )
- {
- TRY
- TempODFrame frame = fDraft->AcquireFrame(ev, fID);
- this->SetFrame(ev,frame);
- CATCH_ALL
- fFrame = kODNULL;
- fID = kODNULLID;
- ENDTRY
- }
- return fFrame;
- }
-
- //------------------------------------------------------------------------------
- // CFrameProxy::FrameIsLoaded
- //------------------------------------------------------------------------------
-
- ODBoolean CFrameProxy::FrameIsLoaded(Environment* ev)
- {
- ODBoolean loaded = (fFrame != kODNULL ||
- fDraft->IsValidID(ev, fID));
- return loaded;
- }
-
- //------------------------------------------------------------------------------
- // CFrameProxy::Purge
- //------------------------------------------------------------------------------
-
- void CFrameProxy::Purge(Environment* ev)
- {
- if ( fFrame != kODNULL )
- {
- fID = fFrame->GetID(ev);
- ODReleaseObject(ev, fFrame);
- }
- }
-
- //==============================================================================
- // CFrameInfo
- //==============================================================================
- #pragma mark • CFrameInfo •
-
- //------------------------------------------------------------------------------
- // CFrameInfo::CFrameInfo
- //------------------------------------------------------------------------------
-
- CFrameInfo::CFrameInfo(ODSession* session)
- {
- fSession = session;
- fFrameActive = kODFalse;
- fFrameReactivate = kODFalse;
- fShouldDisposeWindow = kODFalse;
- fActiveFacet = kODNULL;
- fSourceFrame = kODNULL;
- fDependentFrame = kODNULL;
- fPartWindowID = kODNULLID;
- }
-
- //------------------------------------------------------------------------------
- // CFrameInfo::~CFrameInfo
- //------------------------------------------------------------------------------
-
- CFrameInfo::~CFrameInfo()
- {
- // Deleting the proxies will release the encapsulated frames.
- ODDeleteObject(fDependentFrame);
- ODDeleteObject(fSourceFrame);
- }
-
- //------------------------------------------------------------------------------
- // CFrameInfo::Externalize
- //------------------------------------------------------------------------------
-
- void CFrameInfo::Externalize(Environment* ev, ODStorageUnitView* storageUnitView)
- {
- // This method assumes that OpenDoc has passed us a storageUnitView
- // that is focused to a property, but no particular value.
-
- ODStorageUnit* storageUnit = storageUnitView->GetStorageUnit(ev);
-
- this->CleanseFrameInfoProperty(ev, storageUnit);
- this->ExternalizeFrameInfo(ev, storageUnit, kODNULLKey, kODNULL);
- }
-
- //------------------------------------------------------------------------------
- // CFrameInfo::CleanseFrameInfoProperty
- //------------------------------------------------------------------------------
-
- void CFrameInfo::CleanseFrameInfoProperty( Environment* ev,
- ODStorageUnit* storageUnit )
- {
- ODULong numValues;
- ODULong index;
-
- numValues = storageUnit->CountValues(ev);
-
- for (index = numValues; index >= 1; index--)
- {
- // Index, from 1 to n, through the values.
- storageUnit->Focus(ev, kODNULL, kODPosSame, kODNULL, index,
- kODPosUndefined);
-
- // Get the ISO type name for the value. The temp object
- // will automatically delete the returned value when this
- // scope is exited.
- TempODValueType value = storageUnit->GetType(ev);
-
- // If the value type is not one we support, remove it.
- if ( !ODISOStrEqual(value, kCappuccinoInfo) )
- storageUnit->Remove(ev);
- }
- }
-
- //------------------------------------------------------------------------------
- // CFrameInfo::ExternalizeFrameInfo
- //------------------------------------------------------------------------------
-
- void CFrameInfo::ExternalizeFrameInfo( Environment* ev,
- ODStorageUnit* storageUnit,
- ODDraftKey key,
- ODFrame* scopeFrame )
- {
- // This method behaves much the same way as the Cappuccino::ExternalizeStateInfo
- // method.
-
- if ( ODSUExistsThenFocus(ev, storageUnit, kODNULL, kCappuccinoInfo) )
- {
- // Persistent object references are stored in a side table, rather than
- // in the property/value stream. Thus, deleting the contents of a value
- // will not "delete" the references previously written to that value. To
- // completely "delete" all references written to the value, we must
- // remove the value and add it back.
- storageUnit->Remove(ev);
- }
-
- // Add a value to write the data into.
- storageUnit->AddValue(ev, kCappuccinoInfo);
-
- // Write a weak reference to our source frame.
- if ( fSourceFrame )
- {
- ODID frameID = fSourceFrame->GetID();
-
- // If a draft key exists, then we are being cloned to another draft.
- // We must "weak" clone our display frame and reference the cloned
- // frame. The part re-uses the frameID variable so there aren't two
- // different GetWeakStorageUnitRef calls.
- if ( key )
- {
- ODID scopeFrameID = (scopeFrame ? scopeFrame->GetID(ev) : kODNULLID);
- ODDraft* fromDraft = fSourceFrame->GetDraft();
- frameID = fromDraft->WeakClone(ev, key, frameID, kODNULLID, scopeFrameID);
- }
-
- // Write out weak references to each of the part's display frames.
- ODSetWeakSURefProp(ev, storageUnit, kODNULL, kODNULL, frameID);
- }
- else
- {
- ODStorageUnitRef emptyRef = {0,0,0,0};
- StorageUnitSetValue(storageUnit, ev, kODStorageUnitRefSize, &emptyRef);
- }
-
- // Write a weak reference to our dependent frame.
- if ( fDependentFrame )
- {
- ODID frameID = fDependentFrame->GetID();
- // If a draft key exists, then we are being cloned to another draft.
- // We must "weak" clone our display frame and reference the cloned
- // frame. The part re-uses the frameID variable so there aren't two
- // different GetWeakStorageUnitRef calls.
- if ( key )
- {
- ODID scopeFrameID = (scopeFrame ? scopeFrame->GetID(ev) : kODNULLID);
- ODDraft* fromDraft = fDependentFrame->GetDraft();
- frameID = fromDraft->WeakClone(ev, key, frameID, kODNULLID, scopeFrameID);
- }
-
- // Write out weak references to each of the part's display frames.
- ODSetWeakSURefProp(ev, storageUnit, kODNULL, kODNULL, frameID);
- }
- else
- {
- ODStorageUnitRef emptyRef = {0,0,0,0};
- StorageUnitSetValue(storageUnit, ev, kODStorageUnitRefSize, &emptyRef);
- }
- }
-
- //------------------------------------------------------------------------------
- // CFrameInfo::CloneInto
- //------------------------------------------------------------------------------
-
- void CFrameInfo::CloneInto(Environment *ev, ODDraftKey key,
- ODStorageUnitView* storageUnitView, ODFrame* scopeFrame)
- {
- // This method assumes that OpenDoc has passed us a storageUnitView
- // that is focused to a property, but no particular value.
-
- ODStorageUnit* storageUnit = storageUnitView->GetStorageUnit(ev);
-
- if ( !storageUnit->Exists(ev, kODNULL, kCappuccinoInfo, 0) )
- {
- this->ExternalizeFrameInfo(ev, storageUnit, key, scopeFrame);
- }
- }
-
- //------------------------------------------------------------------------------
- // CFrameInfo::InitFromStorage
- //------------------------------------------------------------------------------
-
- void CFrameInfo::InitFromStorage(Environment* ev, ODStorageUnitView* storageUnitView)
- {
- // This method assumes that OpenDoc has passed us a storageUnitView
- // that is focused to a property, but no particular value.
-
- ODStorageUnit* storageUnit = storageUnitView->GetStorageUnit(ev);
-
- if ( ODSUExistsThenFocus(ev, storageUnit, kODNULL, kCappuccinoInfo) )
- {
- TRY
- ODID frameID = ODGetWeakSURefProp(ev, storageUnit, kODNULL, kODNULL);
- if ( frameID != kODNULLID )
- {
- // Create a proxy class to support the lazy internalization.
- CFrameProxy* proxy = new CFrameProxy;
- proxy->InitFrameProxy(frameID, ODGetDraft(ev, storageUnit));
-
- // Store the proxy source frame.
- fSourceFrame = proxy;
- }
-
- CATCH_ALL
- ODDeleteObject(fSourceFrame);
- fSourceFrame = kODNULL;
- ENDTRY
-
- TRY
- ODID frameID = ODGetWeakSURefProp(ev, storageUnit, kODNULL, kODNULL);
- if ( frameID != kODNULLID )
- {
- // Create a proxy class to support the lazy internalization.
- CFrameProxy* proxy = new CFrameProxy;
- proxy->InitFrameProxy(frameID, ODGetDraft(ev, storageUnit));
-
- // Store the proxy dependent frame.
- fDependentFrame = proxy;
- }
-
- CATCH_ALL
- ODDeleteObject(fDependentFrame);
- fDependentFrame = kODNULL;
- ENDTRY
- }
- }
-
- //------------------------------------------------------------------------------
- // CFrameInfo::SetSourceFrame
- //------------------------------------------------------------------------------
-
- void CFrameInfo::SetSourceFrame(Environment* ev, ODFrame* frame)
- {
- if ( frame != kODNULL )
- {
- // Create a proxy class to support the lazy internalization.
- CFrameProxy* proxy = new CFrameProxy;
- proxy->InitFrameProxy(ev,frame);
-
- // Store the proxy source frame after clearing the old one.
- ODDeleteObject(fSourceFrame);
- fSourceFrame = proxy;
- }
- }
-
- //------------------------------------------------------------------------------
- // CFrameInfo::ReleaseSourceFrame
- //------------------------------------------------------------------------------
-
- void CFrameInfo::ReleaseSourceFrame(Environment* ev)
- {
- ODDeleteObject(fSourceFrame);
- }
-
- //------------------------------------------------------------------------------
- // CFrameInfo::SetDependentFrame
- //------------------------------------------------------------------------------
-
- void CFrameInfo::SetDependentFrame(Environment* ev, ODFrame* frame)
- {
- if ( frame != kODNULL )
- {
- // Create a proxy class to support the lazy internalization.
- CFrameProxy* proxy = new CFrameProxy;
- proxy->InitFrameProxy(ev,frame);
-
- // Store the proxy dependent frame after clearing the old one.
- ODDeleteObject(fDependentFrame);
- fDependentFrame = proxy;
- }
- }
-
- //------------------------------------------------------------------------------
- // CFrameInfo::ReleaseDependentFrame
- //------------------------------------------------------------------------------
-
- void CFrameInfo::ReleaseDependentFrame(Environment* ev)
- {
- ODDeleteObject(fDependentFrame);
- }
-
- //------------------------------------------------------------------------------
- // CFrameInfo::AcquirePartWindow
- //------------------------------------------------------------------------------
-
- ODWindow* CFrameInfo::AcquirePartWindow(Environment* ev)
- {
- ODWindow* window = kODNULL;
-
- if ( fPartWindowID )
- {
- window = fSession->GetWindowState(ev)->AcquireWindow(ev,fPartWindowID);
- if ( !window )
- fPartWindowID = kODNULLID;
- }
-
- return window;
- }
-
- //------------------------------------------------------------------------------
- // CFrameInfo::SetPartWindow
- //------------------------------------------------------------------------------
-
- void CFrameInfo::SetPartWindow(Environment* ev, ODWindow* window)
- {
- fPartWindowID = window ? window->GetID(ev) : kODNULLID;
- }
-
- //------------------------------------------------------------------------------
- // CFrameInfo::GetFrameInfo (ODFrame) [static]
- //------------------------------------------------------------------------------
-
- CFrameInfo* CFrameInfo::GetFrameInfo(Environment* ev, ODFrame* frame)
- {
- ASSERT_NOT_NULL(frame);
- return (CFrameInfo*) frame->GetPartInfo(ev);
- }
-
- //------------------------------------------------------------------------------
- // CFrameInfo::GetFrameInfo (ODFacet) [static]
- //------------------------------------------------------------------------------
-
- CFrameInfo* CFrameInfo::GetFrameInfo(Environment* ev, ODFacet* facet)
- {
- ASSERT_NOT_NULL(facet);
- return CFrameInfo::GetFrameInfo(ev, facet->GetFrame(ev));
- }
-
-