1 // Created on: 2004-11-24
2 // Created by: Edward AGAPOV
3 // Copyright (c) 2004-2014 OPEN CASCADE SAS
4 //
5 // This file is part of Open CASCADE Technology software library.
6 //
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
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.
12 //
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
15
16 // The original implementation Copyright: (C) RINA S.p.A
17
18
19 #include <BinTObjDrivers_ReferenceDriver.hxx>
20 #include <Message_Messenger.hxx>
21 #include <TDF_Attribute.hxx>
22 #include <TObj_TReference.hxx>
23 #include <BinObjMgt_Persistent.hxx>
24 #include <TObj_Object.hxx>
25 #include <TObj_Model.hxx>
26 #include <TObj_Assistant.hxx>
27 #include <TDF_ChildIterator.hxx>
28 #include <TDF_Tool.hxx>
29
30
IMPLEMENT_STANDARD_RTTIEXT(BinTObjDrivers_ReferenceDriver,BinMDF_ADriver)31 IMPLEMENT_STANDARD_RTTIEXT(BinTObjDrivers_ReferenceDriver,BinMDF_ADriver)
32
33 //=======================================================================
34 //function : BinTObjDrivers_ReferenceDriver
35 //purpose : constructor
36 //=======================================================================
37
38 BinTObjDrivers_ReferenceDriver::BinTObjDrivers_ReferenceDriver
39 (const Handle(Message_Messenger)& theMessageDriver)
40 : BinMDF_ADriver( theMessageDriver, NULL)
41 {
42 }
43
44 //=======================================================================
45 //function : NewEmpty
46 //purpose : Creates a new attribute
47 //=======================================================================
48
Handle(TDF_Attribute)49 Handle(TDF_Attribute) BinTObjDrivers_ReferenceDriver::NewEmpty() const
50 {
51 return new TObj_TReference;
52 }
53
54 //=======================================================================
55 //function : Paste
56 //purpose : Translate the contents of <theSource> and put it
57 // into <theTarget>.
58 //=======================================================================
59
Paste(const BinObjMgt_Persistent & theSource,const Handle (TDF_Attribute)& theTarget,BinObjMgt_RRelocationTable &) const60 Standard_Boolean BinTObjDrivers_ReferenceDriver::Paste
61 (const BinObjMgt_Persistent& theSource,
62 const Handle(TDF_Attribute)& theTarget,
63 BinObjMgt_RRelocationTable&) const
64 {
65 // master label
66 TDF_Label aMasterLabel;
67 Handle(TDF_Data) aDS = theTarget->Label().Data();
68 if (! theSource.GetLabel (aDS, aMasterLabel)) return Standard_False;
69
70 // isSameDoc flag
71 Standard_Boolean isSameDoc = Standard_False;
72 if (! (theSource >> isSameDoc)) return Standard_False;
73
74 // DS for referred label
75 if (!isSameDoc)
76 {
77 TCollection_AsciiString aName;
78 if (! (theSource >> aName)) return Standard_False;
79 Handle(TObj_Model) aModel = TObj_Assistant::FindModel (aName.ToCString());
80 if (aModel.IsNull())
81 {
82 TCollection_AsciiString anEntry;
83 TDF_Tool::Entry (theTarget->Label(), anEntry);
84 myMessageDriver->Send (TCollection_ExtendedString ("TObj_TReference retrieval: ")
85 + "wrong model ID " + aName + ", entry " + anEntry, Message_Fail);
86 return Standard_False;
87 }
88 aDS = aModel->GetLabel().Data();
89 }
90 // referred label
91 TDF_Label aLabel;
92 if (! theSource.GetLabel (aDS, aLabel)) return Standard_False;
93
94 // set reference attribute fields
95 Handle(TObj_TReference) aTarget =
96 Handle(TObj_TReference)::DownCast (theTarget);
97 aTarget->Set ( aLabel, aMasterLabel );
98
99 return !aLabel.IsNull() && !aMasterLabel.IsNull();
100 }
101
102 //=======================================================================
103 //function : Paste
104 //purpose : Translate the contents of <theSource> and put it
105 // into <theTarget>.
106 // Store master and referred labels as entry, the other model referred
107 // as entry in model-container
108 //=======================================================================
109
Paste(const Handle (TDF_Attribute)& theSource,BinObjMgt_Persistent & theTarget,BinObjMgt_SRelocationTable &) const110 void BinTObjDrivers_ReferenceDriver::Paste
111 (const Handle(TDF_Attribute)& theSource,
112 BinObjMgt_Persistent& theTarget,
113 BinObjMgt_SRelocationTable&) const
114 {
115 Handle(TObj_TReference) aSource =
116 Handle(TObj_TReference)::DownCast (theSource);
117
118 Handle(TObj_Object) aLObject = aSource->Get();
119 if (aLObject.IsNull())
120 return;
121
122 // labels
123 TDF_Label aLabel = aLObject->GetLabel();
124 TDF_Label aMasterLabel = aSource->GetMasterLabel();
125 Standard_Boolean isSameDoc = (aLabel.Root() == aMasterLabel.Root());
126
127 // store data
128 // 1 - the master label;
129 theTarget << aMasterLabel;
130 // 2 - isSameDoc flag plus may be a Model ID
131 theTarget << isSameDoc;
132 if (! isSameDoc)
133 {
134 TCollection_AsciiString aName;
135 Handle(TObj_Model) aModel = aLObject->GetModel();
136 aName = TCollection_AsciiString( aModel->GetModelName()->String() );
137 theTarget << aName;
138 }
139 // 3 - referred label;
140 theTarget << aLabel;
141 }
142