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// Created on: 2020-01-25
// Created by: Natalia ERMOLAEVA
// Copyright (c) 2020 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef TreeModel_ItemStream_H
#define TreeModel_ItemStream_H
#include <Standard.hxx>
#include <NCollection_IndexedDataMap.hxx>
#include <TCollection_AsciiString.hxx>
#include <inspector/TreeModel_ItemBase.hxx>
class TreeModel_ItemProperties;
class TreeModel_ItemStream;
typedef QExplicitlySharedDataPointer<TreeModel_ItemStream> TreeModel_ItemStreamPtr;
//! \class TreeModel_ItemStream
//! Parent item, that corresponds to AIS_InteractiveContext
//! Children of the item are:
//! - "Property" item to show context attributes such as selection filters and drawer properties
//! - presentation items to show all interactive elements displayed/erased in the context
class TreeModel_ItemStream : public TreeModel_ItemBase
{
public:
//! Creates an item wrapped by a shared pointer
static TreeModel_ItemStreamPtr CreateItem(TreeModel_ItemBasePtr theParent,
const int theRow,
const int theColumn)
{
return TreeModel_ItemStreamPtr(new TreeModel_ItemStream(theParent, theRow, theColumn));
}
//! Destructor
virtual ~TreeModel_ItemStream() {}
//! Sets the item internal initialized state to the true. If the item has internal values,
//! there should be initialized here.
Standard_EXPORT virtual void Init() Standard_OVERRIDE;
//! Resets the item and the child items content. Sets the initialized state to false.
//! If the item has internal values, they should be reset here.
Standard_EXPORT virtual void Reset() Standard_OVERRIDE;
//! Returns number of displayed presentations
//! \return rows count
virtual int initRowCount() const Standard_OVERRIDE
{
initItem();
return 0;
}
//! Returns item information for the given role. Fills internal container if it was not filled yet
//! \param theItemRole a value role
//! \return the value
Standard_EXPORT virtual QVariant initValue(const int theItemRole) const Standard_OVERRIDE;
//! Stores values of the item properties into the item object
//! \param theRow the child row position
//! \param theColumn the child column position
//! \param theValue the cell value
Standard_EXPORT virtual void StoreItemProperties(const int theRow,
const int theColumn,
const QVariant& theValue) Standard_OVERRIDE;
protected:
//! Returns stream value of the item to fulfill property panel.
//! \return stream value or dummy
Standard_EXPORT virtual void initStream(Standard_OStream& theOStream) const Standard_OVERRIDE;
//! Initializes the current item. It creates a backup of the specific item information
//! Does nothing as context has been already set into item
Standard_EXPORT virtual void initItem() const Standard_OVERRIDE;
protected:
//! Creates a child item in the given position.
//! \param theRow the child row position
//! \param theColumn the child column position
//! \return the created item
Standard_EXPORT virtual TreeModel_ItemBasePtr createChild(int theRow,
int theColumn) Standard_OVERRIDE;
private:
//! Constructor
//! \param theParent a parent item
//! \param theRow the item row position in the parent item
//! \param theColumn the item column position in the parent item
Standard_EXPORT TreeModel_ItemStream(TreeModel_ItemBasePtr theParent,
const int theRow,
const int theColumn);
};
#endif
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