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1 | // Created on: 2004-11-23 |
2 | // Created by: Pavel TELKOV |
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3 | // Copyright (c) 2004-2014 OPEN CASCADE SAS |
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4 | // |
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5 | // This file is part of Open CASCADE Technology software library. |
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6 | // |
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7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
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12 | // |
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13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
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15 | |
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16 | // The original implementation Copyright: (C) RINA S.p.A |
17 | |
18 | #ifndef TObj_TObject_HeaderFile |
19 | #define TObj_TObject_HeaderFile |
20 | |
21 | #include <TObj_Common.hxx> |
22 | #include <TObj_Object.hxx> |
23 | |
24 | #include <TDF_Attribute.hxx> |
25 | |
26 | class Handle(TObj_TObject); |
27 | class Standard_GUID; |
28 | class TDF_Label; |
29 | class Handle(TDF_RelocationTable); |
30 | |
31 | /** |
32 | * Purpose: OCAF Attribute to storing objects (interfaces) of OCAF-based |
33 | * modelers in the OCAF tree. |
34 | * The persistency mechanism of the TObj_TObject allowes to save |
35 | * and restore objects of various subtypes without recompilation of the schema |
36 | */ |
37 | |
38 | class TObj_TObject : public TDF_Attribute |
39 | { |
40 | public: |
41 | //! Standard methods of OCAF attribute |
42 | |
43 | //! Empty constructor |
44 | Standard_EXPORT TObj_TObject(); |
45 | |
46 | //! This method is used in implementation of ID() |
47 | static Standard_EXPORT const Standard_GUID& GetID(); |
48 | |
49 | //! Returns the ID of TObj_TObject attribute. |
50 | Standard_EXPORT const Standard_GUID& ID() const; |
51 | |
52 | public: |
53 | //! Method for create TObj_TObject object |
54 | |
55 | //! Creates TObj_TObject attribute on given label |
56 | static Standard_EXPORT Handle(TObj_TObject) Set(const TDF_Label& theLabel, |
57 | const Handle(TObj_Object)& theElem); |
58 | |
59 | public: |
60 | //! Methods for setting and obtaining TObj_Object |
61 | |
62 | //! Sets the TObj_Object object |
63 | Standard_EXPORT void Set(const Handle(TObj_Object)& theElem); |
64 | |
65 | //! Returns the TObj_Object object |
66 | Standard_EXPORT Handle(TObj_Object) Get() const; |
67 | |
68 | public: |
69 | //! Redefined OCAF abstract methods |
70 | |
71 | //! Returns an new empty TObj_TObject attribute. It is used by the |
72 | //! copy algorithm. |
73 | Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const; |
74 | |
75 | //! Restores the backuped contents from <theWith> into this one. It is used |
76 | //! when aborting a transaction. |
77 | Standard_EXPORT void Restore(const Handle(TDF_Attribute)& theWith); |
78 | |
79 | //! This method is used when copying an attribute from a source structure |
80 | //! into a target structure. |
81 | Standard_EXPORT void Paste(const Handle(TDF_Attribute)& theInto, |
82 | const Handle(TDF_RelocationTable)& theRT) const; |
83 | |
84 | //! Tell TObj_Object to die, |
85 | //! i.e. (myElem->IsAlive() == false) after that |
86 | Standard_EXPORT void BeforeForget(); |
87 | |
88 | //! Tell TObj_Object to rise from the dead, |
89 | //! i.e. (myElem->IsAlive() == true) after that |
90 | Standard_EXPORT Standard_Boolean AfterUndo |
91 | (const Handle(TDF_AttributeDelta)& anAttDelta, |
92 | const Standard_Boolean forceIt); |
93 | |
94 | private: |
95 | //! Fields |
96 | Handle(TObj_Object) myElem; //!< The object interface stored by the attribute |
97 | |
98 | public: |
99 | //! CASCADE RTTI |
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100 | DEFINE_STANDARD_RTTI(TObj_TObject, TDF_Attribute) |
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101 | }; |
102 | |
103 | //! Define handle class for TObj_TObject |
104 | DEFINE_STANDARD_HANDLE(TObj_TObject,TDF_Attribute) |
105 | |
106 | #endif |
107 | |
108 | #ifdef _MSC_VER |
109 | #pragma once |
110 | #endif |