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1 | -- Created on: 1992-11-18 |
2 | -- Created by: Christian CAILLET |
3 | -- Copyright (c) 1992-1999 Matra Datavision |
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4 | -- Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | -- |
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6 | -- This file is part of Open CASCADE Technology software library. |
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7 | -- |
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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 |
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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. |
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13 | -- |
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14 | -- Alternatively, this file may be used under the terms of Open CASCADE |
15 | -- commercial license or contractual agreement. |
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16 | |
17 | class SelectDiff from IFSelect inherits SelectControl |
18 | |
19 | ---Purpose : A SelectDiff keeps the entities from a Selection, the Main |
20 | -- Input, which are not listed by the Second Input |
21 | |
22 | uses AsciiString from TCollection, EntityIterator, Graph |
23 | |
24 | is |
25 | |
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26 | Create returns SelectDiff; |
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27 | ---Purpose : Creates an empty SelectDiff |
28 | |
29 | |
30 | RootResult (me; G : Graph) returns EntityIterator; |
31 | ---Purpose : Returns the list of selected entities : they are the Entities |
32 | -- gotten from the Main Input but not from the Diff Input |
33 | |
34 | HasUniqueResult (me) returns Boolean is redefined protected; |
35 | ---Purpose : Returns always True, because RootResult gives a Unique list |
36 | |
37 | |
38 | Label (me) returns AsciiString from TCollection; |
39 | ---Purpose : Returns a text defining the criterium : "Difference" |
40 | |
41 | end SelectDiff; |