mirror of
https://github.com/nillerusr/source-engine.git
synced 2024-12-22 14:16:50 +00:00
939 lines
32 KiB
C
939 lines
32 KiB
C
|
//========= Copyright Valve Corporation, All rights reserved. ============//
|
||
|
|
//
|
||
|
|
// Purpose:
|
||
|
|
//
|
||
|
|
//=============================================================================
|
||
|
|
|
||
|
|
#ifndef IDATAMODEL_H
|
||
|
|
#define IDATAMODEL_H
|
||
|
|
#ifdef _WIN32
|
||
|
|
#pragma once
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include "tier1/interface.h"
|
||
|
|
#include "tier1/utlvector.h"
|
||
|
|
#include "tier1/utlsymbol.h"
|
||
|
|
#include "appframework/IAppSystem.h"
|
||
|
|
#include "datamodel/dmattributetypes.h"
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Forward declarations:
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
class CDmAttribute;
|
||
|
|
class CDmElement;
|
||
|
|
class IDmeOperator;
|
||
|
|
class IElementForKeyValueCallback;
|
||
|
|
|
||
|
|
struct DmValueBase_t;
|
||
|
|
class CUtlBuffer;
|
||
|
|
class KeyValues;
|
||
|
|
class CUtlSymbolTable;
|
||
|
|
class CUtlCharConversion;
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// data file format info
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
#define DMX_LEGACY_VERSION_STARTING_TOKEN "<!-- DMXVersion"
|
||
|
|
#define DMX_LEGACY_VERSION_ENDING_TOKEN "-->"
|
||
|
|
|
||
|
|
#define DMX_VERSION_STARTING_TOKEN "<!-- dmx"
|
||
|
|
#define DMX_VERSION_ENDING_TOKEN "-->"
|
||
|
|
|
||
|
|
#define GENERIC_DMX_FORMAT "dmx"
|
||
|
|
|
||
|
|
|
||
|
|
enum
|
||
|
|
{
|
||
|
|
DMX_MAX_FORMAT_NAME_MAX_LENGTH = 64,
|
||
|
|
DMX_MAX_HEADER_LENGTH = 40 + 2 * DMX_MAX_FORMAT_NAME_MAX_LENGTH,
|
||
|
|
};
|
||
|
|
|
||
|
|
struct DmxHeader_t
|
||
|
|
{
|
||
|
|
char encodingName[ DMX_MAX_FORMAT_NAME_MAX_LENGTH ];
|
||
|
|
int nEncodingVersion;
|
||
|
|
char formatName[ DMX_MAX_FORMAT_NAME_MAX_LENGTH ];
|
||
|
|
int nFormatVersion;
|
||
|
|
|
||
|
|
DmxHeader_t() : nEncodingVersion( -1 ), nFormatVersion( -1 )
|
||
|
|
{
|
||
|
|
encodingName[ 0 ] = formatName[ 0 ] = '\0';
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// element framework phases
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
enum DmPhase_t
|
||
|
|
{
|
||
|
|
PH_EDIT,
|
||
|
|
PH_EDIT_APPLY,
|
||
|
|
PH_EDIT_RESOLVE,
|
||
|
|
PH_DEPENDENCY,
|
||
|
|
PH_OPERATE,
|
||
|
|
PH_OPERATE_RESOLVE,
|
||
|
|
PH_OUTPUT,
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// file id - also used to refer to elements that don't have file associations
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
enum DmFileId_t
|
||
|
|
{
|
||
|
|
DMFILEID_INVALID = 0xffffffff
|
||
|
|
};
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Handle to an CDmAttribute
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
enum DmAttributeHandle_t
|
||
|
|
{
|
||
|
|
DMATTRIBUTE_HANDLE_INVALID = 0xffffffff
|
||
|
|
};
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Handle to an DmAttributeList_t
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
enum DmAttributeReferenceIterator_t
|
||
|
|
{
|
||
|
|
DMATTRIBUTE_REFERENCE_ITERATOR_INVALID = 0
|
||
|
|
};
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// element framework interface
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
abstract_class IDmElementFramework : public IAppSystem
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
// Methods of IAppSystem
|
||
|
|
virtual bool Connect( CreateInterfaceFn factory ) = 0;
|
||
|
|
virtual void Disconnect() = 0;
|
||
|
|
virtual void *QueryInterface( const char *pInterfaceName ) = 0;
|
||
|
|
virtual InitReturnVal_t Init() = 0;
|
||
|
|
virtual void Shutdown() = 0;
|
||
|
|
|
||
|
|
virtual DmPhase_t GetPhase() = 0;
|
||
|
|
|
||
|
|
virtual void SetOperators( const CUtlVector< IDmeOperator* > &operators ) = 0;
|
||
|
|
|
||
|
|
virtual void BeginEdit() = 0; // ends in edit phase, forces apply/resolve if from edit phase
|
||
|
|
virtual void Operate( bool bResolve ) = 0; // ends in output phase
|
||
|
|
virtual void Resolve() = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Used only by aplpications to hook in the element framework
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
#define VDMELEMENTFRAMEWORK_VERSION "VDmElementFrameworkVersion001"
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Main interface
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
extern IDmElementFramework *g_pDmElementFramework;
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// datamodel operator interface - for all elements that need to be sorted in the operator dependency graph
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
abstract_class IDmeOperator
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
virtual bool IsDirty() = 0; // ie needs to operate
|
||
|
|
virtual void Operate() = 0;
|
||
|
|
|
||
|
|
virtual void GetInputAttributes ( CUtlVector< CDmAttribute * > &attrs ) = 0;
|
||
|
|
virtual void GetOutputAttributes( CUtlVector< CDmAttribute * > &attrs ) = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Class factory methods:
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
class IDmElementFactory
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
// Creation, destruction
|
||
|
|
virtual CDmElement* Create( DmElementHandle_t handle, const char *pElementType, const char *pElementName, DmFileId_t fileid, const DmObjectId_t &id ) = 0;
|
||
|
|
virtual void Destroy( DmElementHandle_t hElement ) = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Various serialization methods can be installed into the data model factory
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
enum DmConflictResolution_t
|
||
|
|
{
|
||
|
|
CR_DELETE_NEW,
|
||
|
|
CR_DELETE_OLD,
|
||
|
|
CR_COPY_NEW,
|
||
|
|
CR_FORCE_COPY,
|
||
|
|
};
|
||
|
|
|
||
|
|
// convert files to elements and back
|
||
|
|
// current file encodings supported: binary, xml, xml_flat, keyvalues2, keyvalues2_flat, keyvalues (vmf/vmt/actbusy), text? (qc/obj)
|
||
|
|
class IDmSerializer
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
virtual const char *GetName() const = 0;
|
||
|
|
virtual const char *GetDescription() const = 0;
|
||
|
|
virtual bool IsBinaryFormat() const = 0;
|
||
|
|
virtual bool StoresVersionInFile() const = 0;
|
||
|
|
virtual int GetCurrentVersion() const = 0;
|
||
|
|
|
||
|
|
// Write into the UtlBuffer, return true if successful
|
||
|
|
// if we decide to implement non-identity conversions between formats on write, then the source and dest format will need to be passed in here
|
||
|
|
virtual bool Serialize( CUtlBuffer &buf, CDmElement *pRoot ) = 0;
|
||
|
|
|
||
|
|
// Read from the UtlBuffer, return true if successful, and return the read-in root in ppRoot.
|
||
|
|
virtual bool Unserialize( CUtlBuffer &buf, const char *pEncodingName, int nEncodingVersion,
|
||
|
|
const char *pSourceFormatName, int nSourceFormatVersion,
|
||
|
|
DmFileId_t fileid, DmConflictResolution_t idConflictResolution, CDmElement **ppRoot ) = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
// convert legacy elements to non-legacy elements
|
||
|
|
// legacy formats include: sfm_vN, binary_vN, keyvalues2_v1, keyvalues2_flat_v1, xml, xml_flat
|
||
|
|
// where N is a version number (1..9 for sfm, 1..2 for binary)
|
||
|
|
class IDmLegacyUpdater
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
virtual const char *GetName() const = 0;
|
||
|
|
virtual bool IsLatestVersion() const = 0;
|
||
|
|
|
||
|
|
// Updates ppRoot to first non-legacy generic dmx format, returns false if the conversion fails
|
||
|
|
virtual bool Update( CDmElement **ppRoot ) = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
// converts old elements to new elements
|
||
|
|
// current formats include: sfm session, animset presets, particle definitions, exported maya character, etc.
|
||
|
|
class IDmFormatUpdater
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
virtual const char *GetName() const = 0;
|
||
|
|
virtual const char *GetDescription() const = 0;
|
||
|
|
virtual const char *GetExtension() const = 0;
|
||
|
|
virtual int GetCurrentVersion() const = 0;
|
||
|
|
virtual const char *GetDefaultEncoding() const = 0;
|
||
|
|
|
||
|
|
// Converts pSourceRoot from nSourceVersion to the current version, returns false if the conversion fails
|
||
|
|
virtual bool Update( CDmElement **pRoot, int nSourceVersion ) = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Interface for callbacks to supply element types for specific keys inside keyvalues files
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
class IElementForKeyValueCallback
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
virtual const char *GetElementForKeyValue( const char *pszKeyName, int iNestingLevel ) = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Purpose: Optional helper passed in with clipboard data which is called when it's time to clean up the clipboard data in case the application
|
||
|
|
// had some dynamically allocated data attached to a KV SetPtr object...
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
abstract_class IClipboardCleanup
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
virtual void ReleaseClipboardData( CUtlVector< KeyValues * >& list ) = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Purpose: Can be installed to be called back when data changes
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
enum DmNotifySource_t
|
||
|
|
{
|
||
|
|
// Sources
|
||
|
|
NOTIFY_SOURCE_APPLICATION = 0,
|
||
|
|
NOTIFY_SOURCE_UNDO,
|
||
|
|
NOTIFY_SOURCE_FIRST_DME_CONTROL_SOURCE = 4, // Sources from dme_controls starts here
|
||
|
|
NOTIFY_SOURCE_FIRST_APPLICATION_SOURCE = 8, // Sources from applications starts here
|
||
|
|
};
|
||
|
|
|
||
|
|
enum DmNotifyFlags_t
|
||
|
|
{
|
||
|
|
// Does this dirty the document?
|
||
|
|
NOTIFY_SOURCE_BITS = 8,
|
||
|
|
NOTIFY_SETDIRTYFLAG = (1<<NOTIFY_SOURCE_BITS),
|
||
|
|
|
||
|
|
// Type of change (note NOTIFY_CHANGE_TOPOLOGICAL/NOTIFY_CHANGE_ATTRIBUTE_VALUE/NOTIFY_CHANGE_ATTRIBUTE_ARRAY_SIZE
|
||
|
|
// are set by the Datamodel itself)
|
||
|
|
NOTIFY_CHANGE_TOPOLOGICAL = (1<<(NOTIFY_SOURCE_BITS+4)), // Element created, destroyed, element attribute or element array attribute value changed
|
||
|
|
NOTIFY_CHANGE_ATTRIBUTE_VALUE = (1<<(NOTIFY_SOURCE_BITS+5)), // Non-element attribute value changed
|
||
|
|
NOTIFY_CHANGE_ATTRIBUTE_ARRAY_SIZE = (1<<(NOTIFY_SOURCE_BITS+6)), // Non-element array attribute added or removed
|
||
|
|
NOTIFY_CHANGE_OTHER = (1<<(NOTIFY_SOURCE_BITS+7)), // Non attribute related change (a change in UI, for example)
|
||
|
|
|
||
|
|
NOTIFY_CHANGE_MASK = ( NOTIFY_CHANGE_TOPOLOGICAL | NOTIFY_CHANGE_ATTRIBUTE_VALUE | NOTIFY_CHANGE_ATTRIBUTE_ARRAY_SIZE | NOTIFY_CHANGE_OTHER ),
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
abstract_class IDmNotify
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
// See DmNotifySource_t and DmNotifyFlags_t
|
||
|
|
virtual void NotifyDataChanged( const char *pReason, int nNotifySource, int nNotifyFlags ) = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Purpose: Helper for debugging undo system
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
struct UndoInfo_t
|
||
|
|
{
|
||
|
|
bool terminator;
|
||
|
|
const char *desc;
|
||
|
|
const char *undo;
|
||
|
|
const char *redo;
|
||
|
|
int numoperations;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Interface for undo
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
abstract_class IUndoElement
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
virtual void Undo() = 0;
|
||
|
|
virtual void Redo() = 0;
|
||
|
|
|
||
|
|
virtual const char *UndoDesc() const = 0;
|
||
|
|
virtual const char *RedoDesc() const = 0;
|
||
|
|
virtual const char *GetDesc() const = 0;
|
||
|
|
virtual void Release() = 0;
|
||
|
|
|
||
|
|
protected:
|
||
|
|
virtual bool IsEndOfStream() const = 0;
|
||
|
|
virtual void SetEndOfStream( bool end ) = 0;
|
||
|
|
virtual ~IUndoElement() { }
|
||
|
|
|
||
|
|
friend class CUndoManager;
|
||
|
|
};
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// traversal depth for copy, search, and other element/attribute traversals
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
enum TraversalDepth_t
|
||
|
|
{
|
||
|
|
TD_ALL, // traverse all attributes
|
||
|
|
TD_DEEP, // traverse attributes with FATTRIB_NEVERCOPY clear
|
||
|
|
TD_SHALLOW, // traverse attributes with FATTRIB_MUSTCOPY set
|
||
|
|
TD_NONE, // don't traverse any attributes
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Main interface for creation of all IDmeElements:
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
class IDataModel : public IAppSystem
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
// Installs factories used to instance elements
|
||
|
|
virtual void AddElementFactory( const char *pElementTypeName, IDmElementFactory *pFactory ) = 0;
|
||
|
|
|
||
|
|
// This factory will be used to instance all elements whose type name isn't found.
|
||
|
|
virtual void SetDefaultElementFactory( IDmElementFactory *pFactory ) = 0;
|
||
|
|
|
||
|
|
virtual int GetFirstFactory() const = 0;
|
||
|
|
virtual int GetNextFactory( int index ) const = 0;
|
||
|
|
virtual bool IsValidFactory( int index ) const = 0;
|
||
|
|
virtual const char *GetFactoryName( int index ) const = 0;
|
||
|
|
|
||
|
|
// create/destroy element methods - proxies to installed element factories
|
||
|
|
virtual DmElementHandle_t CreateElement( UtlSymId_t typeSymbol, const char *pElementName, DmFileId_t fileid = DMFILEID_INVALID, const DmObjectId_t *pObjectID = NULL ) = 0;
|
||
|
|
virtual DmElementHandle_t CreateElement( const char *pTypeName, const char *pElementName, DmFileId_t fileid = DMFILEID_INVALID, const DmObjectId_t *pObjectID = NULL ) = 0;
|
||
|
|
virtual void DestroyElement( DmElementHandle_t hElement ) = 0;
|
||
|
|
|
||
|
|
// element handle related methods
|
||
|
|
virtual CDmElement* GetElement ( DmElementHandle_t hElement ) const = 0;
|
||
|
|
virtual UtlSymId_t GetElementType ( DmElementHandle_t hElement ) const = 0;
|
||
|
|
virtual const char* GetElementName ( DmElementHandle_t hElement ) const = 0;
|
||
|
|
virtual const DmObjectId_t& GetElementId ( DmElementHandle_t hElement ) const = 0;
|
||
|
|
|
||
|
|
virtual const char* GetAttributeNameForType( DmAttributeType_t attType ) const = 0;
|
||
|
|
virtual DmAttributeType_t GetAttributeTypeForName( const char *name ) const = 0;
|
||
|
|
|
||
|
|
// Adds various serializers and updaters
|
||
|
|
virtual void AddSerializer( IDmSerializer *pSerializer ) = 0;
|
||
|
|
virtual void AddLegacyUpdater( IDmLegacyUpdater *pUpdater ) = 0;
|
||
|
|
virtual void AddFormatUpdater( IDmFormatUpdater *pUpdater ) = 0;
|
||
|
|
|
||
|
|
// file format methods
|
||
|
|
virtual const char* GetFormatExtension( const char *pFormatName ) = 0;
|
||
|
|
virtual const char* GetFormatDescription( const char *pFormatName ) = 0;
|
||
|
|
virtual int GetFormatCount() const = 0;
|
||
|
|
virtual const char * GetFormatName( int i ) const = 0;
|
||
|
|
virtual const char * GetDefaultEncoding( const char *pFormatName ) = 0;
|
||
|
|
|
||
|
|
// file encoding methods
|
||
|
|
virtual int GetEncodingCount() const = 0;
|
||
|
|
virtual const char * GetEncodingName( int i ) const = 0;
|
||
|
|
virtual bool IsEncodingBinary( const char *pEncodingName ) const = 0;
|
||
|
|
virtual bool DoesEncodingStoreVersionInFile( const char *pEncodingName ) const = 0;
|
||
|
|
|
||
|
|
// For serialization, set the delimiter rules
|
||
|
|
// These methods are meant to be used by importer/exporters
|
||
|
|
virtual void SetSerializationDelimiter( CUtlCharConversion *pConv ) = 0;
|
||
|
|
virtual void SetSerializationArrayDelimiter( const char *pDelimiter ) = 0;
|
||
|
|
|
||
|
|
// used to skip auto-creation of child elements during unserialization
|
||
|
|
virtual bool IsUnserializing() = 0;
|
||
|
|
|
||
|
|
// Serialization of a element tree into a utlbuffer
|
||
|
|
virtual bool Serialize( CUtlBuffer &outBuf, const char *pEncodingName, const char *pFormatName, DmElementHandle_t hRoot ) = 0;
|
||
|
|
|
||
|
|
// Unserializes, returns the root of the unserialized tree in hRoot
|
||
|
|
// The file name passed in is simply for error messages and fileid creation
|
||
|
|
virtual bool Unserialize( CUtlBuffer &inBuf, const char *pEncodingName, const char *pSourceFormatName, const char *pFormatHint,
|
||
|
|
const char *pFileName, DmConflictResolution_t idConflictResolution, DmElementHandle_t &hRoot ) = 0;
|
||
|
|
|
||
|
|
// converts from elements from old file formats to elements for the current file format
|
||
|
|
virtual bool UpdateUnserializedElements( const char *pSourceFormatName, int nSourceFormatVersion,
|
||
|
|
DmFileId_t fileid, DmConflictResolution_t idConflictResolution, CDmElement **ppRoot ) = 0;
|
||
|
|
|
||
|
|
// force creation of untyped elements, ignoring type
|
||
|
|
virtual void OnlyCreateUntypedElements( bool bEnable ) = 0;
|
||
|
|
|
||
|
|
// Finds a serializer by name
|
||
|
|
virtual IDmSerializer* FindSerializer( const char *pEncodingName ) const = 0;
|
||
|
|
virtual IDmLegacyUpdater* FindLegacyUpdater( const char *pLegacyFormatName ) const = 0;
|
||
|
|
virtual IDmFormatUpdater* FindFormatUpdater( const char *pFormatName ) const = 0;
|
||
|
|
|
||
|
|
// saves element tree to a file
|
||
|
|
virtual bool SaveToFile( const char *pFileName, const char *pPathID, const char *pEncodingName, const char *pFormatName, CDmElement *pRoot ) = 0;
|
||
|
|
|
||
|
|
// restores file into an element tree
|
||
|
|
// NOTE: Format name is only used here for those formats which don't store
|
||
|
|
// the format name in the file. Use NULL for those formats which store the
|
||
|
|
// format name in the file.
|
||
|
|
virtual DmFileId_t RestoreFromFile( const char *pFileName, const char *pPathID, const char *pFormatHint, CDmElement **ppRoot, DmConflictResolution_t idConflictResolution = CR_DELETE_NEW, DmxHeader_t *pHeaderOut = NULL ) = 0;
|
||
|
|
|
||
|
|
// Sets the name of the DME element to create in keyvalues serialization
|
||
|
|
virtual void SetKeyValuesElementCallback( IElementForKeyValueCallback *pCallbackInterface ) = 0;
|
||
|
|
virtual const char *GetKeyValuesElementName( const char *pszKeyName, int iNestingLevel ) = 0;
|
||
|
|
|
||
|
|
// Global symbol table for the datamodel system
|
||
|
|
virtual UtlSymId_t GetSymbol( const char *pString ) = 0;
|
||
|
|
virtual const char * GetString( UtlSymId_t sym ) const = 0;
|
||
|
|
|
||
|
|
// Returns the total number of elements allocated at the moment
|
||
|
|
virtual int GetMaxNumberOfElements() = 0;
|
||
|
|
virtual int GetElementsAllocatedSoFar() = 0;
|
||
|
|
virtual int GetAllocatedAttributeCount() = 0;
|
||
|
|
virtual int GetAllocatedElementCount() = 0;
|
||
|
|
virtual DmElementHandle_t FirstAllocatedElement() = 0;
|
||
|
|
virtual DmElementHandle_t NextAllocatedElement( DmElementHandle_t it ) = 0;
|
||
|
|
|
||
|
|
// estimate memory usage
|
||
|
|
virtual int EstimateMemoryUsage( DmElementHandle_t hElement, TraversalDepth_t depth ) = 0;
|
||
|
|
|
||
|
|
// Undo/Redo support
|
||
|
|
virtual void SetUndoEnabled( bool enable ) = 0;
|
||
|
|
virtual bool IsUndoEnabled() const = 0;
|
||
|
|
virtual bool UndoEnabledForElement( const CDmElement *pElement ) const = 0;
|
||
|
|
virtual bool IsDirty() const = 0;
|
||
|
|
virtual bool CanUndo() const = 0;
|
||
|
|
virtual bool CanRedo() const = 0;
|
||
|
|
// If chaining ID is != 0 and the next StartUndo uses the same ID, then the operations will be chained together into a single undo operation
|
||
|
|
virtual void StartUndo( char const *undodesc, char const *redodesc, int nChainingID = 0 ) = 0;
|
||
|
|
virtual void FinishUndo() = 0;
|
||
|
|
virtual void AbortUndoableOperation() = 0; // called instead of FinishUndo, essentially performs and Undo() and WipeRedo() if any undo items have been added to the stack
|
||
|
|
virtual void ClearRedo() = 0;
|
||
|
|
virtual const char *GetUndoDesc() = 0;
|
||
|
|
virtual const char *GetRedoDesc() = 0;
|
||
|
|
// From the UI, perform the Undo operation
|
||
|
|
virtual void Undo() = 0;
|
||
|
|
virtual void Redo() = 0;
|
||
|
|
virtual void TraceUndo( bool state ) = 0; // if true, undo records spew as they are added
|
||
|
|
|
||
|
|
// Wipes out all Undo data
|
||
|
|
virtual void ClearUndo() = 0;
|
||
|
|
|
||
|
|
virtual void GetUndoInfo( CUtlVector< UndoInfo_t >& list ) = 0;
|
||
|
|
|
||
|
|
virtual void AddUndoElement( IUndoElement *pElement ) = 0;
|
||
|
|
virtual UtlSymId_t GetUndoDescInternal( const char *context ) = 0;
|
||
|
|
virtual UtlSymId_t GetRedoDescInternal( const char *context ) = 0;
|
||
|
|
|
||
|
|
virtual void EmptyClipboard() = 0;
|
||
|
|
virtual void SetClipboardData( CUtlVector< KeyValues * >& data, IClipboardCleanup *pfnOptionalCleanuFunction = 0 ) = 0;
|
||
|
|
virtual void AddToClipboardData( KeyValues *add ) = 0;
|
||
|
|
virtual void GetClipboardData( CUtlVector< KeyValues * >& data ) = 0;
|
||
|
|
virtual bool HasClipboardData() const = 0;
|
||
|
|
|
||
|
|
// Handles to attributes
|
||
|
|
virtual CDmAttribute * GetAttribute( DmAttributeHandle_t h ) = 0;
|
||
|
|
virtual bool IsAttributeHandleValid( DmAttributeHandle_t h ) const = 0;
|
||
|
|
|
||
|
|
// file id reference methods
|
||
|
|
virtual int NumFileIds() = 0;
|
||
|
|
virtual DmFileId_t GetFileId( int i ) = 0;
|
||
|
|
virtual DmFileId_t FindOrCreateFileId( const char *pFilename ) = 0;
|
||
|
|
virtual void RemoveFileId( DmFileId_t fileid ) = 0;
|
||
|
|
virtual DmFileId_t GetFileId( const char *pFilename ) = 0;
|
||
|
|
virtual const char * GetFileName( DmFileId_t fileid ) = 0;
|
||
|
|
virtual void SetFileName( DmFileId_t fileid, const char *pFileName ) = 0;
|
||
|
|
virtual const char * GetFileFormat( DmFileId_t fileid ) = 0;
|
||
|
|
virtual void SetFileFormat( DmFileId_t fileid, const char *pFormat ) = 0;
|
||
|
|
virtual DmElementHandle_t GetFileRoot( DmFileId_t fileid ) = 0;
|
||
|
|
virtual void SetFileRoot( DmFileId_t fileid, DmElementHandle_t hRoot ) = 0;
|
||
|
|
virtual bool IsFileLoaded( DmFileId_t fileid ) = 0;
|
||
|
|
virtual void MarkFileLoaded( DmFileId_t fileid ) = 0;
|
||
|
|
virtual void UnloadFile( DmFileId_t fileid ) = 0;
|
||
|
|
virtual int NumElementsInFile( DmFileId_t fileid ) = 0;
|
||
|
|
|
||
|
|
virtual void DontAutoDelete( DmElementHandle_t hElement ) = 0;
|
||
|
|
|
||
|
|
// handle validity methods - these shouldn't really be here, but the undo system needs them...
|
||
|
|
virtual void MarkHandleInvalid( DmElementHandle_t hElement ) = 0;
|
||
|
|
virtual void MarkHandleValid( DmElementHandle_t hElement ) = 0;
|
||
|
|
|
||
|
|
virtual DmElementHandle_t FindElement( const DmObjectId_t &id ) = 0;
|
||
|
|
|
||
|
|
virtual DmAttributeReferenceIterator_t FirstAttributeReferencingElement( DmElementHandle_t hElement ) = 0;
|
||
|
|
virtual DmAttributeReferenceIterator_t NextAttributeReferencingElement( DmAttributeReferenceIterator_t hAttrIter ) = 0;
|
||
|
|
virtual CDmAttribute * GetAttribute( DmAttributeReferenceIterator_t hAttrIter ) = 0;
|
||
|
|
|
||
|
|
// Install, remove notify callbacks associated w/ undo contexts
|
||
|
|
virtual bool InstallNotificationCallback( IDmNotify *pNotify ) = 0;
|
||
|
|
virtual void RemoveNotificationCallback( IDmNotify *pNotify ) = 0;
|
||
|
|
virtual bool IsSuppressingNotify( ) const = 0;
|
||
|
|
virtual void SetSuppressingNotify( bool bSuppress ) = 0;
|
||
|
|
virtual void PushNotificationScope( const char *pReason, int nNotifySource, int nNotifyFlags ) = 0;
|
||
|
|
virtual void PopNotificationScope( bool bAbort = false ) = 0;
|
||
|
|
virtual const char *GetUndoString( UtlSymId_t sym ) = 0;
|
||
|
|
|
||
|
|
virtual bool HasElementFactory( const char *pElementType ) const = 0;
|
||
|
|
|
||
|
|
// Call before you make any undo records
|
||
|
|
virtual void SetUndoDepth( int nSize ) = 0;
|
||
|
|
|
||
|
|
// Displats memory stats to the console
|
||
|
|
virtual void DisplayMemoryStats() = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Used only by applications to hook in the data model
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
#define VDATAMODEL_INTERFACE_VERSION "VDataModelVersion001"
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Main interface accessor
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
extern IDataModel *g_pDataModel;
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Allows clients to implement customized undo elements
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
class CUndoElement : public IUndoElement
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
CUndoElement( const char *pDesc )
|
||
|
|
{
|
||
|
|
m_UndoDesc = g_pDataModel->GetUndoDescInternal( pDesc );
|
||
|
|
m_RedoDesc = g_pDataModel->GetRedoDescInternal( pDesc );
|
||
|
|
m_pDesc = pDesc;
|
||
|
|
m_bEndOfStream = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual void Release()
|
||
|
|
{
|
||
|
|
delete this;
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual const char *UndoDesc() const
|
||
|
|
{
|
||
|
|
return g_pDataModel->GetUndoString( m_UndoDesc );
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual const char *RedoDesc() const
|
||
|
|
{
|
||
|
|
return g_pDataModel->GetUndoString( m_RedoDesc );
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual const char *GetDesc() const
|
||
|
|
{
|
||
|
|
return m_pDesc;
|
||
|
|
}
|
||
|
|
|
||
|
|
protected:
|
||
|
|
virtual bool IsEndOfStream() const
|
||
|
|
{
|
||
|
|
return m_bEndOfStream;
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual void SetEndOfStream( bool end )
|
||
|
|
{
|
||
|
|
m_bEndOfStream = end;
|
||
|
|
}
|
||
|
|
|
||
|
|
const char *m_pDesc;
|
||
|
|
CUtlSymbol m_UndoDesc;
|
||
|
|
CUtlSymbol m_RedoDesc;
|
||
|
|
bool m_bEndOfStream;
|
||
|
|
|
||
|
|
private:
|
||
|
|
friend class CUndoManager;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Purpose: Simple helper class
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
class CUndoScopeGuard
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
explicit CUndoScopeGuard( const char *udesc, const char *rdesc = NULL )
|
||
|
|
{
|
||
|
|
m_bReleased = false;
|
||
|
|
m_bNotify = false;
|
||
|
|
m_pNotify = NULL;
|
||
|
|
g_pDataModel->StartUndo( udesc, rdesc ? rdesc : udesc );
|
||
|
|
}
|
||
|
|
|
||
|
|
explicit CUndoScopeGuard( int nChainingID, char const *udesc )
|
||
|
|
{
|
||
|
|
m_bReleased = false;
|
||
|
|
m_bNotify = false;
|
||
|
|
m_pNotify = NULL;
|
||
|
|
g_pDataModel->StartUndo( udesc, udesc, nChainingID );
|
||
|
|
}
|
||
|
|
|
||
|
|
explicit CUndoScopeGuard( int nNotifySource, int nNotifyFlags, const char *udesc, const char *rdesc = NULL, int nChainingID = 0 )
|
||
|
|
{
|
||
|
|
m_bReleased = false;
|
||
|
|
m_bNotify = true;
|
||
|
|
m_pNotify = NULL;
|
||
|
|
g_pDataModel->StartUndo( udesc, rdesc ? rdesc : udesc, nChainingID );
|
||
|
|
g_pDataModel->PushNotificationScope( udesc, nNotifySource, nNotifyFlags );
|
||
|
|
}
|
||
|
|
|
||
|
|
explicit CUndoScopeGuard( int nNotifySource, int nNotifyFlags, IDmNotify *pNotify, const char *udesc, const char *rdesc = NULL, int nChainingID = 0 )
|
||
|
|
{
|
||
|
|
m_bReleased = false;
|
||
|
|
m_bNotify = true;
|
||
|
|
m_pNotify = NULL;
|
||
|
|
g_pDataModel->StartUndo( udesc, rdesc ? rdesc : udesc, nChainingID );
|
||
|
|
if ( pNotify )
|
||
|
|
{
|
||
|
|
if ( g_pDataModel->InstallNotificationCallback( pNotify ) )
|
||
|
|
{
|
||
|
|
m_pNotify = pNotify;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
g_pDataModel->PushNotificationScope( udesc, nNotifySource, nNotifyFlags );
|
||
|
|
}
|
||
|
|
|
||
|
|
~CUndoScopeGuard()
|
||
|
|
{
|
||
|
|
Release();
|
||
|
|
}
|
||
|
|
|
||
|
|
void Release()
|
||
|
|
{
|
||
|
|
if ( !m_bReleased )
|
||
|
|
{
|
||
|
|
g_pDataModel->FinishUndo();
|
||
|
|
if ( m_bNotify )
|
||
|
|
{
|
||
|
|
g_pDataModel->PopNotificationScope( );
|
||
|
|
m_bNotify = false;
|
||
|
|
}
|
||
|
|
if ( m_pNotify )
|
||
|
|
{
|
||
|
|
g_pDataModel->RemoveNotificationCallback( m_pNotify );
|
||
|
|
m_pNotify = NULL;
|
||
|
|
}
|
||
|
|
m_bReleased = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void Abort()
|
||
|
|
{
|
||
|
|
if ( !m_bReleased )
|
||
|
|
{
|
||
|
|
g_pDataModel->AbortUndoableOperation();
|
||
|
|
if ( m_bNotify )
|
||
|
|
{
|
||
|
|
g_pDataModel->PopNotificationScope( true );
|
||
|
|
m_bNotify = false;
|
||
|
|
}
|
||
|
|
if ( m_pNotify )
|
||
|
|
{
|
||
|
|
g_pDataModel->RemoveNotificationCallback( m_pNotify );
|
||
|
|
m_pNotify = NULL;
|
||
|
|
}
|
||
|
|
m_bReleased = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
IDmNotify *m_pNotify;
|
||
|
|
bool m_bReleased;
|
||
|
|
bool m_bNotify;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Purpose: Simple helper class to disable Undo/Redo operations when in scope
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
class CChangeUndoScopeGuard
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
CChangeUndoScopeGuard( bool bNewState )
|
||
|
|
{
|
||
|
|
m_bReleased = false;
|
||
|
|
m_bNotify = false;
|
||
|
|
m_pNotify = NULL;
|
||
|
|
m_bOldValue = g_pDataModel->IsUndoEnabled();
|
||
|
|
g_pDataModel->SetUndoEnabled( bNewState );
|
||
|
|
};
|
||
|
|
|
||
|
|
CChangeUndoScopeGuard( bool bNewState, const char *pDesc, int nNotifySource, int nNotifyFlags, IDmNotify *pNotify = NULL )
|
||
|
|
{
|
||
|
|
m_bReleased = false;
|
||
|
|
m_bOldValue = g_pDataModel->IsUndoEnabled();
|
||
|
|
g_pDataModel->SetUndoEnabled( bNewState );
|
||
|
|
|
||
|
|
m_bNotify = true;
|
||
|
|
m_pNotify = NULL;
|
||
|
|
if ( pNotify )
|
||
|
|
{
|
||
|
|
if ( g_pDataModel->InstallNotificationCallback( pNotify ) )
|
||
|
|
{
|
||
|
|
m_pNotify = pNotify;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
g_pDataModel->PushNotificationScope( pDesc, nNotifySource, nNotifyFlags );
|
||
|
|
};
|
||
|
|
|
||
|
|
~CChangeUndoScopeGuard()
|
||
|
|
{
|
||
|
|
Release();
|
||
|
|
}
|
||
|
|
|
||
|
|
void Release()
|
||
|
|
{
|
||
|
|
// Releases the guard...
|
||
|
|
if ( !m_bReleased )
|
||
|
|
{
|
||
|
|
g_pDataModel->SetUndoEnabled( m_bOldValue );
|
||
|
|
m_bReleased = true;
|
||
|
|
if ( m_bNotify )
|
||
|
|
{
|
||
|
|
g_pDataModel->PopNotificationScope( );
|
||
|
|
m_bNotify = false;
|
||
|
|
}
|
||
|
|
if ( m_pNotify )
|
||
|
|
{
|
||
|
|
g_pDataModel->RemoveNotificationCallback( m_pNotify );
|
||
|
|
m_pNotify = NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
IDmNotify *m_pNotify;
|
||
|
|
bool m_bOldValue;
|
||
|
|
bool m_bReleased;
|
||
|
|
bool m_bNotify;
|
||
|
|
};
|
||
|
|
|
||
|
|
class CDisableUndoScopeGuard : public CChangeUndoScopeGuard
|
||
|
|
{
|
||
|
|
typedef CChangeUndoScopeGuard BaseClass;
|
||
|
|
|
||
|
|
public:
|
||
|
|
CDisableUndoScopeGuard() : BaseClass( false ) { }
|
||
|
|
CDisableUndoScopeGuard( const char *pDesc, int nNotifySource, int nNotifyFlags, IDmNotify *pNotify = NULL ) :
|
||
|
|
BaseClass( false, pDesc, nNotifySource, nNotifyFlags, pNotify ) {}
|
||
|
|
};
|
||
|
|
|
||
|
|
class CEnableUndoScopeGuard : public CChangeUndoScopeGuard
|
||
|
|
{
|
||
|
|
typedef CChangeUndoScopeGuard BaseClass;
|
||
|
|
|
||
|
|
public:
|
||
|
|
CEnableUndoScopeGuard( ) : BaseClass( true ) { }
|
||
|
|
CEnableUndoScopeGuard( const char *pDesc, int nNotifySource, int nNotifyFlags, IDmNotify *pNotify = NULL ) :
|
||
|
|
BaseClass( true, pDesc, nNotifySource, nNotifyFlags, pNotify ) {}
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
#define DEFINE_SOURCE_UNDO_SCOPE_GUARD( _classnameprefix, _source ) \
|
||
|
|
class C ## _classnameprefix ## UndoScopeGuard : public CUndoScopeGuard \
|
||
|
|
{ \
|
||
|
|
typedef CUndoScopeGuard BaseClass; \
|
||
|
|
\
|
||
|
|
public: \
|
||
|
|
C ## _classnameprefix ## UndoScopeGuard( int nNotifyFlags, const char *pUndoDesc, const char *pRedoDesc = NULL, int nChainingID = 0 ) : \
|
||
|
|
BaseClass( _source, nNotifyFlags, pUndoDesc, pRedoDesc, nChainingID ) \
|
||
|
|
{ \
|
||
|
|
} \
|
||
|
|
C ## _classnameprefix ## UndoScopeGuard( int nNotifyFlags, IDmNotify *pNotify, const char *pUndoDesc, const char *pRedoDesc = NULL, int nChainingID = 0 ) : \
|
||
|
|
BaseClass( _source, nNotifyFlags, pNotify, pUndoDesc, pRedoDesc, nChainingID ) \
|
||
|
|
{ \
|
||
|
|
} \
|
||
|
|
C ## _classnameprefix ## UndoScopeGuard( int nNotifyFlags, const char *pUndoDesc, int nChainingID ) : \
|
||
|
|
BaseClass( _source, nNotifyFlags, pUndoDesc, pUndoDesc, nChainingID ) \
|
||
|
|
{ \
|
||
|
|
} \
|
||
|
|
}; \
|
||
|
|
class C ## _classnameprefix ## DisableUndoScopeGuard : public CDisableUndoScopeGuard \
|
||
|
|
{ \
|
||
|
|
typedef CDisableUndoScopeGuard BaseClass; \
|
||
|
|
\
|
||
|
|
public: \
|
||
|
|
C ## _classnameprefix ## DisableUndoScopeGuard( const char *pDesc, int nNotifyFlags, IDmNotify *pNotify = NULL ) : \
|
||
|
|
BaseClass( pDesc, _source, nNotifyFlags, pNotify ) \
|
||
|
|
{ \
|
||
|
|
} \
|
||
|
|
}; \
|
||
|
|
class C ## _classnameprefix ## EnableUndoScopeGuard : public CEnableUndoScopeGuard \
|
||
|
|
{ \
|
||
|
|
typedef CEnableUndoScopeGuard BaseClass; \
|
||
|
|
\
|
||
|
|
public: \
|
||
|
|
C ## _classnameprefix ## EnableUndoScopeGuard( const char *pDesc, int nNotifyFlags, IDmNotify *pNotify = NULL ) : \
|
||
|
|
BaseClass( pDesc, _source, nNotifyFlags, pNotify ) \
|
||
|
|
{ \
|
||
|
|
} \
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Purpose: Simple helper class to disable NotifyDataChanged from current scope
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
class CNotifyScopeGuard
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
CNotifyScopeGuard( const char *pReason, int nNotifySource, int nNotifyFlags, IDmNotify *pNotify = NULL )
|
||
|
|
{
|
||
|
|
m_bReleased = false;
|
||
|
|
m_pNotify = NULL;
|
||
|
|
g_pDataModel->PushNotificationScope( pReason, nNotifySource, nNotifyFlags );
|
||
|
|
if ( pNotify )
|
||
|
|
{
|
||
|
|
if ( g_pDataModel->InstallNotificationCallback( pNotify ) )
|
||
|
|
{
|
||
|
|
m_pNotify = pNotify;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
~CNotifyScopeGuard()
|
||
|
|
{
|
||
|
|
Release();
|
||
|
|
}
|
||
|
|
|
||
|
|
void Release()
|
||
|
|
{
|
||
|
|
// Releases the guard...
|
||
|
|
if ( !m_bReleased )
|
||
|
|
{
|
||
|
|
g_pDataModel->PopNotificationScope( );
|
||
|
|
if ( m_pNotify )
|
||
|
|
{
|
||
|
|
g_pDataModel->RemoveNotificationCallback( m_pNotify );
|
||
|
|
m_pNotify = NULL;
|
||
|
|
}
|
||
|
|
m_bReleased = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
CNotifyScopeGuard( const CNotifyScopeGuard& g );
|
||
|
|
|
||
|
|
private:
|
||
|
|
IDmNotify *m_pNotify;
|
||
|
|
bool m_bReleased;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
#define DEFINE_SOURCE_NOTIFY_SCOPE_GUARD( _classnameprefix, _source ) \
|
||
|
|
class C ## _classnameprefix ## NotifyScopeGuard : public CNotifyScopeGuard \
|
||
|
|
{ \
|
||
|
|
typedef CNotifyScopeGuard BaseClass; \
|
||
|
|
\
|
||
|
|
public: \
|
||
|
|
C ## _classnameprefix ## NotifyScopeGuard( const char *pReason, int nNotifyFlags, IDmNotify *pNotify = NULL ) : \
|
||
|
|
BaseClass( pReason, _source, nNotifyFlags, pNotify )\
|
||
|
|
{ \
|
||
|
|
} \
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Purpose: Simple helper class to disable notifications when in scope
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
class CChangeNotifyScopeGuard
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
CChangeNotifyScopeGuard( bool bNewState )
|
||
|
|
{
|
||
|
|
m_bReleased = false;
|
||
|
|
m_bOldValue = g_pDataModel->IsSuppressingNotify();
|
||
|
|
g_pDataModel->SetSuppressingNotify( bNewState );
|
||
|
|
};
|
||
|
|
|
||
|
|
~CChangeNotifyScopeGuard()
|
||
|
|
{
|
||
|
|
Release();
|
||
|
|
}
|
||
|
|
|
||
|
|
void Release()
|
||
|
|
{
|
||
|
|
// Releases the guard...
|
||
|
|
if ( !m_bReleased )
|
||
|
|
{
|
||
|
|
g_pDataModel->SetSuppressingNotify( m_bOldValue );
|
||
|
|
m_bReleased = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
bool m_bOldValue;
|
||
|
|
bool m_bReleased;
|
||
|
|
};
|
||
|
|
|
||
|
|
class CDisableNotifyScopeGuard : public CChangeNotifyScopeGuard
|
||
|
|
{
|
||
|
|
typedef CChangeNotifyScopeGuard BaseClass;
|
||
|
|
|
||
|
|
public:
|
||
|
|
CDisableNotifyScopeGuard() : BaseClass( true ) { }
|
||
|
|
|
||
|
|
private:
|
||
|
|
CDisableNotifyScopeGuard( const CDisableNotifyScopeGuard& g );
|
||
|
|
};
|
||
|
|
|
||
|
|
class CEnableNotifyScopeGuard : public CChangeNotifyScopeGuard
|
||
|
|
{
|
||
|
|
typedef CChangeNotifyScopeGuard BaseClass;
|
||
|
|
|
||
|
|
public:
|
||
|
|
CEnableNotifyScopeGuard( ) : BaseClass( false ) { }
|
||
|
|
|
||
|
|
private:
|
||
|
|
CEnableNotifyScopeGuard( const CEnableNotifyScopeGuard& g );
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Standard undo/notify guards for the application
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
DEFINE_SOURCE_UNDO_SCOPE_GUARD( App, NOTIFY_SOURCE_APPLICATION );
|
||
|
|
DEFINE_SOURCE_NOTIFY_SCOPE_GUARD( App, NOTIFY_SOURCE_APPLICATION );
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#endif // IDATAMODEL_H
|