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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_AttributePaneAPI_H
#define DFBrowserPane_AttributePaneAPI_H
#include <TDF_Attribute.hxx>
#include <NCollection_List.hxx>
#include <TDF_Label.hxx>
#include <TDF_LabelList.hxx>
#include <Standard.hxx>
#include <Standard_Transient.hxx>
#include <list>
class QWidget;
class QItemSelectionModel;
//! \class DFBrowserPane_AttributePane
//! \brief This is a base class for attribute pane. It defines methods that should be redefined in
//! chindren. The kinds of information provided by the methods:
//! - widget, a control that should be shown for this kind of attribute
//! - Init method to fill control by the attribute context
//! - selection models that are active, the application can connect to the models to react to
//! selection change
//! - presentation/references/attribute references of attribute custom information about this
//! attribute
class DFBrowserPane_AttributePaneAPI
{
public:
//! Constructor
DFBrowserPane_AttributePaneAPI() {}
//! Destructor
virtual ~DFBrowserPane_AttributePaneAPI() {}
//! Creates widget to visualize values of this kind of attribute
//! \param theParent a parent for the widget
//! \param isToCreate flag whether the widget should be created
virtual QWidget* GetWidget(QWidget* theParent, const bool isToCreate)
{
(void)theParent;
(void)isToCreate;
return 0;
}
//! Initializes the content of the pane by the parameter attribute
//! \param theAttribute an OCAF attribute
virtual void Init(const Handle(TDF_Attribute)& theAttribute) { (void)theAttribute; };
//! Returns selections models of the pane, if the selection is possible in the pane controls
virtual std::list<QItemSelectionModel*> GetSelectionModels()
{
return std::list<QItemSelectionModel*>();
}
//! Returns selection kind for the model, it may be General selection or Additional selection for
//! example \param theModel one of selection models provided by this pane \return selection kind
virtual int GetSelectionKind(QItemSelectionModel* theModel)
{
(void)theModel;
return -1;
}
//! Returns selection parameters, that may be useful for communicate between tools
//! \param theModel one of selection models provided by this pane
//! \theParameters a container of parameters, might be extended depending on the pane state(e.g.
//! selection) \theItemNames names to be selected for each selection parameter
virtual void GetSelectionParameters(QItemSelectionModel* theModel,
NCollection_List<Handle(Standard_Transient)>& theParameters,
NCollection_List<TCollection_AsciiString>& theItemNames)
{
(void)theModel;
(void)theParameters;
(void)theItemNames;
}
//! Returns presentation of the attribute to be visualized in the view
//! \param theAttribute a current attribute
//! \return handle of presentation if the attribute has, to be visualized
virtual Handle(Standard_Transient) GetPresentation(const Handle(TDF_Attribute)& theAttribute)
{
(void)theAttribute;
return Handle(Standard_Transient)();
}
//! Returns container of Label references to the attribute
//! \param theAttribute a current attribute
//! \param theRefLabels a container of label references, to be selected in tree view
//! \param theRefPresentation handle of presentation for the references, to be visualized
virtual void GetReferences(const Handle(TDF_Attribute)& theAttribute,
NCollection_List<TDF_Label>& theRefLabels,
Handle(Standard_Transient)& theRefPresentation)
{
(void)theAttribute;
(void)theRefLabels;
(void)theRefPresentation;
}
//! Returns container of Attribute references to the attribute
//! \param theAttribute a current attribute
//! \param theRefAttributes a container of attribute references, to be selected in tree view
//! \param theRefPresentation handle of presentation for the references, to be visualized
virtual void GetAttributeReferences(const Handle(TDF_Attribute)& theAttribute,
NCollection_List<Handle(TDF_Attribute)>& theRefAttributes,
Handle(Standard_Transient)& theRefPresentation)
{
(void)theAttribute;
(void)theRefAttributes;
(void)theRefPresentation;
}
};
#endif
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