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1 | // Created on: 2017-06-16 |
2 | // Created by: Natalia ERMOLAEVA |
3 | // Copyright (c) 2017 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 | #ifndef DFBrowserPane_TDataStdTreeNodeItem_H |
17 | #define DFBrowserPane_TDataStdTreeNodeItem_H |
18 | |
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19 | #include <inspector/TreeModel_ItemBase.hxx> |
20 | |
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21 | #include <Standard.hxx> |
22 | #include <TDF_Attribute.hxx> |
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23 | |
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24 | #include <Standard_WarningsDisable.hxx> |
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25 | #include <QList> |
26 | #include <QMap> |
27 | #include <QVariant> |
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28 | #include <Standard_WarningsRestore.hxx> |
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29 | |
30 | class DFBrowserPane_TDataStdTreeNodeItem; |
31 | typedef QExplicitlySharedDataPointer<DFBrowserPane_TDataStdTreeNodeItem> DFBrowserPane_TDataStdTreeNodeItemPtr; |
32 | |
33 | //! \class DFBrowserPane_TDataStdTreeNodeItem |
34 | //! An item connected to TDataStd_TreeNode attribute. Parent is NULL or tree node item. |
35 | //! Childrens are items for children of tree node attribute. |
36 | class DFBrowserPane_TDataStdTreeNodeItem : public TreeModel_ItemBase |
37 | { |
38 | |
39 | public: |
40 | |
41 | //! Creates an item wrapped by a shared pointer |
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42 | //! \param theRow the item row position in the parent item |
43 | //! \param theColumn the item column position in the parent item |
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44 | //! \return the pointer to the created item |
45 | static DFBrowserPane_TDataStdTreeNodeItemPtr CreateItem (TreeModel_ItemBasePtr theParent, |
46 | const int theRow, const int theColumn) |
47 | { return DFBrowserPane_TDataStdTreeNodeItemPtr (new DFBrowserPane_TDataStdTreeNodeItem (theParent, theRow, theColumn)); } |
48 | |
49 | //!Destructor |
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50 | virtual ~DFBrowserPane_TDataStdTreeNodeItem() Standard_OVERRIDE {} |
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51 | |
52 | //! Store a current attribute |
53 | //! \param theAttribute an attribute |
54 | void SetAttribute (const Handle(TDF_Attribute)& theAttribute) { myAttribute = theAttribute; } |
55 | |
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56 | //! Returns the current attribute |
57 | //! \return an attribute |
58 | Handle(TDF_Attribute) GetAttribute () const { initItem(); return myAttribute; } |
59 | |
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60 | //! Set state if the attribute is current(corresponds to the selected attribute in tree) |
61 | //! \param theCurrent boolean state |
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62 | void setCurrentAttribute (const bool theCurrent) { Reset(); myIsCurrentItem = theCurrent; } |
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63 | |
64 | //! Returns child attribute of the current attribute |
65 | //! \param theChildRow an index of a child attribute |
66 | //! \returns an attribute |
67 | Standard_EXPORT Handle(TDF_Attribute) getChildAttribute (const int theChildRow) const; |
68 | |
69 | //! Inits the item, fills internal containers |
70 | Standard_EXPORT virtual void Init() Standard_OVERRIDE; |
71 | |
72 | //! Resets the cached item values. Throws down the initialized state of the item. |
73 | Standard_EXPORT virtual void Reset() Standard_OVERRIDE; |
74 | |
75 | protected: |
76 | |
77 | //! Returns the data stored under the given role for the current item. |
78 | //! \param theRole an enumeration value of role for data obtaining |
79 | virtual QVariant initValue (const int theRole = Qt::DisplayRole) const Standard_OVERRIDE; |
80 | |
81 | //! \return number of children. |
82 | virtual int initRowCount() const Standard_OVERRIDE { return getRowCount(); } |
83 | |
84 | //! Creates a child item in the given position. |
85 | //! \param theRow the child row position |
86 | //! \param theColumn the child column position |
87 | //! \return the created item |
88 | virtual TreeModel_ItemBasePtr createChild (int theRow, int theColumn) Standard_OVERRIDE; |
89 | |
90 | protected: |
91 | |
92 | //! Constructor |
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93 | //! \param theParent a parent item |
94 | //! \param theRow the item row position in the parent item |
95 | //! \param theColumn the item column position in the parent item |
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96 | DFBrowserPane_TDataStdTreeNodeItem(TreeModel_ItemBasePtr theParent, const int theRow, const int theColumn) |
97 | : TreeModel_ItemBase (theParent, theRow, theColumn), myIsCurrentItem (false) {} |
98 | |
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99 | //! Initializes the current item. It creates a backup of the specific item information |
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100 | virtual void initItem() const Standard_OVERRIDE; |
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101 | |
102 | //! Returns number of children attributes, initializes item is necessary |
103 | int getRowCount() const; |
104 | |
105 | //! Returns entry of the label of the current attribute tree node |
106 | QString getName() const { return myLabelName; } |
107 | |
108 | private: |
109 | |
110 | Handle(TDF_Attribute) myAttribute; //! current attribute in tree node hierarchy |
111 | bool myIsCurrentItem; //! state whether this attribute is active in DFBrowser selected attribute in tree |
112 | |
113 | int myRowCount; //! cached value of rows count |
114 | QString myLabelName; //! cached value of label name of the label of the current tree node attribute |
115 | }; |
116 | |
117 | #endif |