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103 lines
3.7 KiB
C++
103 lines
3.7 KiB
C++
// Created on: 2017-06-16
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// Created by: Natalia ERMOLAEVA
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// Copyright (c) 2017 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef DFBrowser_Item_H
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#define DFBrowser_Item_H
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#include <inspector/DFBrowser_ItemBase.hxx>
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#include <TDF_Attribute.hxx>
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#include <Standard.hxx>
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#include <Standard_GUID.hxx>
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#include <Standard_WarningsDisable.hxx>
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#include <QMap>
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#include <QList>
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#include <QVariant>
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#include <Standard_WarningsRestore.hxx>
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class DFBrowser_Item;
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typedef QExplicitlySharedDataPointer<DFBrowser_Item> DFBrowser_ItemPtr;
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//! \class DFBrowser_Item
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//! \brief Declaration of the tree model root item.
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class DFBrowser_Item : public DFBrowser_ItemBase
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{
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public:
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//! Creates an item wrapped by a shared pointer
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//! \param theRow the item row position in the parent item
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//! \param theColumn the item column position in the parent item
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//! \return the pointer to the created item
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static DFBrowser_ItemPtr CreateItem (TreeModel_ItemBasePtr theParent, const int theRow, const int theColumn)
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{ return DFBrowser_ItemPtr (new DFBrowser_Item (theParent, theRow, theColumn)); }
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//! Destructor
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virtual ~DFBrowser_Item() {}
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//! \return true if the attribute is set in the item, otherwise it is initialized by a label
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Standard_EXPORT bool HasAttribute() const;
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//! \return the item attribute
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Standard_EXPORT Handle(TDF_Attribute) GetAttribute() const;
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//! Finds int parent item attribute or label by this item row and store it in a field of this item.
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Standard_EXPORT virtual void Init() Standard_OVERRIDE;
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//! Resets the cached item values, set null attribute and calls reset of the parent class
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Standard_EXPORT virtual void Reset() Standard_OVERRIDE;
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//! Inits item and calls cachedValue() for the role
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//! \param theItemRole a value role
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//! \return the value
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Standard_EXPORT QVariant GetAttributeInfo(int theRole) const;
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protected:
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//! \return number of children.
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virtual int initRowCount() const Standard_OVERRIDE;
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//! Returns data value for the role:
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//! - if content is label, calls DFBrowser_ItemBase;
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//! - if content is attribute, if the fole is extended display, asks additional info text or ask module about info
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//! \param theItemRole a value role
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//! \return the value
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virtual QVariant initValue (const int theItemRole) const Standard_OVERRIDE;
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//! Returns stream value of the item to fulfill property panel.
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//! \return stream value or dummy
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Standard_EXPORT virtual void initStream (Standard_OStream& theOStream) const Standard_OVERRIDE;
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//! Constructor
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//! \param theParent a parent item
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//! \param theRow the item row position in the parent item
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//! \param theColumn the item column position in the parent item
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DFBrowser_Item (TreeModel_ItemBasePtr theParent, const int theRow, const int theColumn)
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: DFBrowser_ItemBase (theParent, theRow, theColumn) {}
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//! Initializes the current item. It creates a backup of the specific item information
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void initItem() const;
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//! Sets the item attribute
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//! \param theAttribute an item attribute
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void SetAttribute (Handle(TDF_Attribute) theAttribute);
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private:
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Standard_GUID myAttributeGUID; //!< if attribute, stores GUID of the attribute because label can contain only one attribute of a kind
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};
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#endif
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