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1 | // Created on: 1992-11-17 |
2 | // Created by: Christian CAILLET |
3 | // Copyright (c) 1992-1999 Matra Datavision |
4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
5 | // |
6 | // This file is part of Open CASCADE Technology software library. |
7 | // |
8 | // This library is free software; you can redistribute it and/or modify it under |
9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
10 | // by the Free Software Foundation, with special exception defined in the file |
11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
12 | // distribution for complete text of the license and disclaimer of any warranty. |
13 | // |
14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
16 | |
17 | #ifndef _IFSelect_SelectDeduct_HeaderFile |
18 | #define _IFSelect_SelectDeduct_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_Type.hxx> |
22 | |
23 | #include <IFSelect_Selection.hxx> |
24 | #include <Standard_Boolean.hxx> |
25 | class IFSelect_Selection; |
26 | class IFSelect_SelectPointed; |
27 | class Interface_InterfaceError; |
28 | class Interface_EntityIterator; |
29 | class Interface_Graph; |
30 | class IFSelect_SelectionIterator; |
31 | |
32 | |
33 | class IFSelect_SelectDeduct; |
34 | DEFINE_STANDARD_HANDLE(IFSelect_SelectDeduct, IFSelect_Selection) |
35 | |
36 | //! A SelectDeduct determines a list of Entities from an Input |
37 | //! Selection, by a computation : Output list is not obliged to be |
38 | //! a sub-list of Input list |
39 | //! (for more specific, see SelectExtract for filtered sub-lists, |
40 | //! and SelectExplore for recurcive exploration) |
41 | //! |
42 | //! A SelectDeduct may use an alternate input for one shot |
43 | //! This allows to use an already existing definition, by |
44 | //! overloading the input selection by an alternate list, |
45 | //! already defined, for one use : |
46 | //! If this alternate list is set, InputResult queries it instead |
47 | //! of calling the input selection, then clears it immediately |
48 | class IFSelect_SelectDeduct : public IFSelect_Selection |
49 | { |
50 | |
51 | public: |
52 | |
53 | |
54 | //! Defines or Changes the Input Selection |
55 | Standard_EXPORT void SetInput (const Handle(IFSelect_Selection)& sel); |
56 | |
57 | //! Returns the Input Selection |
58 | Standard_EXPORT Handle(IFSelect_Selection) Input() const; |
59 | |
60 | //! Returns True if the Input Selection is defined, False else |
61 | Standard_EXPORT Standard_Boolean HasInput() const; |
62 | |
63 | //! Tells if an Alternate List has been set, i.e. : the Alternate |
64 | //! Definition is present and set |
65 | Standard_EXPORT Standard_Boolean HasAlternate() const; |
66 | |
67 | //! Returns the Alternate Definition |
68 | //! It is returned modifiable, hence an already defined |
69 | //! SelectPointed can be used |
70 | //! But if it was not yet defined, it is created the first time |
71 | //! |
72 | //! It is exploited by InputResult |
73 | Standard_EXPORT Handle(IFSelect_SelectPointed)& Alternate(); |
74 | |
75 | //! Returns the Result determined by Input Selection, as Unique |
76 | //! if Input Selection is not defined, returns an empty list. |
77 | //! |
78 | //! If Alternate is set, InputResult takes its definition instead |
79 | //! of calling the Input Selection, then clears it |
80 | Standard_EXPORT Interface_EntityIterator InputResult (const Interface_Graph& G) const; |
81 | |
82 | //! Puts in an Iterator the Selections from which "me" depends |
83 | //! This list contains one Selection : the InputSelection |
79104795 |
84 | Standard_EXPORT void FillIterator (IFSelect_SelectionIterator& iter) const Standard_OVERRIDE; |
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85 | |
86 | |
87 | |
88 | |
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89 | DEFINE_STANDARD_RTTIEXT(IFSelect_SelectDeduct,IFSelect_Selection) |
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90 | |
91 | protected: |
92 | |
93 | |
94 | |
95 | |
96 | private: |
97 | |
98 | |
99 | Handle(IFSelect_Selection) thesel; |
100 | Handle(IFSelect_SelectPointed) thealt; |
101 | |
102 | |
103 | }; |
104 | |
105 | |
106 | |
107 | |
108 | |
109 | |
110 | |
111 | #endif // _IFSelect_SelectDeduct_HeaderFile |