1 // Copyright (C) 2014-2019 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #ifndef ModuleBase_ISelection_H
21 #define ModuleBase_ISelection_H
23 #include "ModuleBase.h"
24 #include "ModuleBase_Definitions.h"
26 #include <ModelAPI_Result.h>
27 #include <GeomAPI_Shape.h>
28 #include <GeomAPI_Vertex.h>
30 #include <QModelIndexList>
31 #include <AIS_ListOfInteractive.hxx>
32 #include <NCollection_List.hxx>
33 #include <TopoDS_Shape.hxx>
37 class ModuleBase_ViewerPrs;
38 class SelectMgr_EntityOwner;
41 /// A class which provides access to selection.
42 /// A selection can be obtained as from a viewer as from Object browser in various forms
43 class MODULEBASE_EXPORT ModuleBase_ISelection
46 /// Types of the selection place, where the selection is obtained
47 enum SelectionPlace { Browser, Viewer, AllControls };
49 /// Returns a list of viewer selected presentations
50 /// \return list of presentations
51 virtual QList<std::shared_ptr<ModuleBase_ViewerPrs>>
52 getSelected(const SelectionPlace& thePlace = Browser) const = 0;
54 /// The values are appended to the first parameter list if the first list does not contain
55 /// an item with the same object
56 /// \param theValues a list of new values
57 /// \param theValuesTo a list, that will be changed
58 static void appendSelected(const QList<std::shared_ptr<ModuleBase_ViewerPrs>> theValues,
59 QList<std::shared_ptr<ModuleBase_ViewerPrs>>& theValuesTo);
61 /// Returns a list of viewer highlited presentations
62 /// \return list of presentations
63 virtual QList<std::shared_ptr<ModuleBase_ViewerPrs>> getHighlighted() const = 0;
65 /// Fills the viewer presentation parameters by the parameters from the owner
66 /// \param thePrs a container for selection
67 /// \param theOwner a selection owner
68 virtual void fillPresentation(std::shared_ptr<ModuleBase_ViewerPrs>& thePrs,
69 const Handle(SelectMgr_EntityOwner)& theOwner) const = 0;
71 /// Returns list of features currently selected in object browser
72 virtual QObjectPtrList selectedObjects() const = 0;
74 /// Returns list of currently selected results
75 virtual QObjectPtrList selectedPresentations() const = 0;
77 /// Returns list of currently selected QModelIndexes
78 virtual QModelIndexList selectedIndexes() const = 0;
80 /// Return the shape from the viewer presentation.
81 /// If the shape is equal to the shape of selected object, it returns an empty shape
82 /// \param thePrs a selected object
84 ResultPtr getResult(const std::shared_ptr<ModuleBase_ViewerPrs>& thePrs);
86 /// Return the shape from the viewer presentation.
87 /// If the shape is equal to the shape of selected object, it returns an empty shape
88 /// \param thePrs a selected object
90 GeomShapePtr getShape(const std::shared_ptr<ModuleBase_ViewerPrs>& thePrs);
92 /// Return the IO from the viewer presentation.
93 /// \param thePrs a selected object
94 /// \return an interactive object
95 virtual Handle(AIS_InteractiveObject)
96 getIO(const std::shared_ptr<ModuleBase_ViewerPrs>& thePrs) = 0;
98 /// Wraps the object list into the viewer prs list
99 /// \param theObjects a list of objects
100 /// \return a list of prs, where only object is not empty
101 static QList<std::shared_ptr<ModuleBase_ViewerPrs>> getViewerPrs(
102 const QObjectPtrList& theObjects);
104 /// Removes selection items where owners have equal vertices. The first
105 /// owner with the qual vertex stays in the list.
106 static void filterSelectionOnEqualPoints
107 (QList<std::shared_ptr<ModuleBase_ViewerPrs>>& theSelected);
109 /// Returns list of currently selected QModelIndexes
110 virtual ObjectPtr getSelectableObject(const Handle(SelectMgr_EntityOwner)& theOwner) const = 0;
113 /// Find vertex shape build by a Brep owner of the presentation if it exists
114 /// \param thePrs a viewer presentation
115 /// \return GeomAPI wrap of vertex
116 static std::shared_ptr<GeomAPI_Vertex> getPresentationVertex(
117 const std::shared_ptr<ModuleBase_ViewerPrs>& thePrs);