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// Created on: 2017-06-16
// Created by: Natalia ERMOLAEVA
// Copyright (c) 2017 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 DFBrowserPane_TDataStdTreeNodeItem_H
#define DFBrowserPane_TDataStdTreeNodeItem_H
#include <inspector/TreeModel_ItemBase.hxx>
#include <Standard.hxx>
#include <TDF_Attribute.hxx>
#include <Standard_WarningsDisable.hxx>
#include <QList>
#include <QMap>
#include <QVariant>
#include <Standard_WarningsRestore.hxx>
class DFBrowserPane_TDataStdTreeNodeItem;
typedef QExplicitlySharedDataPointer<DFBrowserPane_TDataStdTreeNodeItem>
DFBrowserPane_TDataStdTreeNodeItemPtr;
//! \class DFBrowserPane_TDataStdTreeNodeItem
//! An item connected to TDataStd_TreeNode attribute. Parent is NULL or tree node item.
//! Childrens are items for children of tree node attribute.
class DFBrowserPane_TDataStdTreeNodeItem : public TreeModel_ItemBase
{
public:
//! Creates an item wrapped by a shared pointer
//! \param theRow the item row position in the parent item
//! \param theColumn the item column position in the parent item
//! \return the pointer to the created item
static DFBrowserPane_TDataStdTreeNodeItemPtr CreateItem(TreeModel_ItemBasePtr theParent,
const int theRow,
const int theColumn)
{
return DFBrowserPane_TDataStdTreeNodeItemPtr(
new DFBrowserPane_TDataStdTreeNodeItem(theParent, theRow, theColumn));
}
//! Destructor
virtual ~DFBrowserPane_TDataStdTreeNodeItem() Standard_OVERRIDE {}
//! Store a current attribute
//! \param theAttribute an attribute
void SetAttribute(const Handle(TDF_Attribute)& theAttribute) { myAttribute = theAttribute; }
//! Returns the current attribute
//! \return an attribute
Handle(TDF_Attribute) GetAttribute() const
{
initItem();
return myAttribute;
}
//! Set state if the attribute is current(corresponds to the selected attribute in tree)
//! \param theCurrent boolean state
void setCurrentAttribute(const bool theCurrent)
{
Reset();
myIsCurrentItem = theCurrent;
}
//! Returns child attribute of the current attribute
//! \param theChildRow an index of a child attribute
//! \returns an attribute
Standard_EXPORT Handle(TDF_Attribute) getChildAttribute(const int theChildRow) const;
//! Inits the item, fills internal containers
Standard_EXPORT virtual void Init() Standard_OVERRIDE;
//! Resets the cached item values. Throws down the initialized state of the item.
Standard_EXPORT virtual void Reset() Standard_OVERRIDE;
protected:
//! Returns the data stored under the given role for the current item.
//! \param theRole an enumeration value of role for data obtaining
virtual QVariant initValue(const int theRole = Qt::DisplayRole) const Standard_OVERRIDE;
//! \return number of children.
virtual int initRowCount() const Standard_OVERRIDE { return getRowCount(); }
//! Creates a child item in the given position.
//! \param theRow the child row position
//! \param theColumn the child column position
//! \return the created item
virtual TreeModel_ItemBasePtr createChild(int theRow, int theColumn) Standard_OVERRIDE;
protected:
//! 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
DFBrowserPane_TDataStdTreeNodeItem(TreeModel_ItemBasePtr theParent,
const int theRow,
const int theColumn)
: TreeModel_ItemBase(theParent, theRow, theColumn),
myIsCurrentItem(false)
{
}
//! Initializes the current item. It creates a backup of the specific item information
virtual void initItem() const Standard_OVERRIDE;
//! Returns number of children attributes, initializes item is necessary
int getRowCount() const;
//! Returns entry of the label of the current attribute tree node
QString getName() const { return myLabelName; }
private:
Handle(TDF_Attribute) myAttribute; //! current attribute in tree node hierarchy
bool myIsCurrentItem; //! state whether this attribute is active in DFBrowser selected attribute
//! in tree
int myRowCount; //! cached value of rows count
QString
myLabelName; //! cached value of label name of the label of the current tree node attribute
};
#endif
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