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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 DFBrowser_Module_H
#define DFBrowser_Module_H
#include <inspector/DFBrowser_TreeModel.hxx>
#include <inspector/TreeModel_ItemBase.hxx>
#include <AIS_InteractiveContext.hxx>
#include <NCollection_Map.hxx>
#include <Standard.hxx>
#include <TCollection_AsciiString.hxx>
#include <TDF_Attribute.hxx>
#include <TDocStd_Application.hxx>
#include <TopoDS_Shape.hxx>
#include <Standard_WarningsDisable.hxx>
#include <QObject>
#include <Standard_WarningsRestore.hxx>
class DFBrowserPane_AttributePaneAPI;
class DFBrowserPane_AttributePaneCreatorAPI;
class QAbstractItemModel;
class QItemSelectionModel;
//! \class DFBrowser_Module
//! The class is a container of current components of DFBrowser:
//! - OCAF view model
//! - OCAF selection model
//! - container of attribute panes into attribute name
//! - acceptable attribute pane creators
//! - external AIS interactive context
//! It has general attribute pane creator, if the application is XDE, it uses XDE attribute pane
//! creator. It fills container of created attribute pane.
class DFBrowser_Module : public QObject
{
Q_OBJECT
public:
//! Constructor
Standard_EXPORT DFBrowser_Module();
//! Destructor
virtual ~DFBrowser_Module() {}
//! Creates tree model for OCAF application
Standard_EXPORT void CreateViewModel(void* theParent);
//! Fills tree model by the application and register pane creator
//! \param theApplication a current application
Standard_EXPORT void SetApplication(const Handle(TDocStd_Application)& theApplication);
//! Fills viewer by the context
//! \param theContext a current context where presentations should be visualized
Standard_EXPORT void SetExternalContext(const Handle(Standard_Transient)& theContext);
//! Returns external context or NULL
const Handle(AIS_InteractiveContext)& GetExternalContext() const { return myExternalContext; }
//! Returns a view model with the OCAF structure content
QAbstractItemModel* GetOCAFViewModel() { return myOCAFViewModel; }
//! Sets selection model of tree view
void SetOCAFViewSelectionModel(QItemSelectionModel* theSelectionModel)
{
myOCAFViewSelectionModel = theSelectionModel;
}
//! Returns selection model of tree view
QItemSelectionModel* GetOCAFViewSelectionModel() const { return myOCAFViewSelectionModel; }
//! Returns an OCAF application or NULL
//! \return an application instance
Standard_EXPORT Handle(TDocStd_Application) GetTDocStdApplication() const;
//! Rebuilds an OCAF tree view model
Standard_EXPORT void UpdateTreeModel();
//! Sets initial selection in OCAF tree view, it is an application(root) item
Standard_EXPORT void SetInitialTreeViewSelection();
//! Returns attribute placed on the parameter index in the OCAF tree view or NULL
//! \param theIndex an index in OCAF tree view.
//! \return an attribute
Standard_EXPORT Handle(TDF_Attribute) FindAttribute(const QModelIndex& theIndex);
//! Appends creator of a pane by attribute type
//! \param thePaneCreator
void RegisterPaneCreator(DFBrowserPane_AttributePaneCreatorAPI* thePaneCreator)
{
myPaneCreators.append(thePaneCreator);
}
//! Returns an attribute pane for the attribute: create a new if it is not exist in
//! internal map and the module processes this kind of attribute
//! \param theAttributeGUID an attribute key
//! \return attribute pane
Standard_EXPORT DFBrowserPane_AttributePaneAPI* GetAttributePane(
Handle(TDF_Attribute) theAttribute);
//! Returns an attribute pane for the attribute GUID: create a new if it is not exist in
//! internal map and the module processes this kind of attribute
//! \param theAttributeGUID an attribute key
//! \return attribute pane
Standard_EXPORT DFBrowserPane_AttributePaneAPI* GetAttributePane(
Standard_CString theAttributeName);
//! Finds the attribute pane according to the give attribute and returns its information
//! \param theAttribute a source attribute
//! \param theModule to provide a map of attribute id to attribute pane
//! \param theRole an attribute role in the tree view, includes: text, icon, color roles
//! \param theColumnId a column index
Standard_EXPORT static QVariant GetAttributeInfo(Handle(TDF_Attribute) theAttribute,
DFBrowser_Module* theModule,
int theRole,
int theColumnId);
//! Returns information for the given attribute type name
//! \param theAttributeName a current attribute type name
//! \param theModule a current module
//! \param theRole a role of information, used by tree model (e.g. DisplayRole, icon, background
//! and so on) \param theColumnId a tree model column \return value, interpreted by tree model
//! depending on the role
Standard_EXPORT static QVariant GetAttributeInfo(Standard_CString theAttributeName,
DFBrowser_Module* theModule,
int theRole,
int theColumnId);
signals:
//! Emits signal about updating tree model
void beforeUpdateTreeModel();
protected:
//! Tries to create attribute pane for the attribute name using registered attribute pane creators
//! \param theAttributeName a source attribute
//! \return attribute pane or NULL
DFBrowserPane_AttributePaneAPI* CreateAttributePane(Standard_CString theAttributeName);
private:
DFBrowser_TreeModel* myOCAFViewModel; //!< the tree view abstract model
QItemSelectionModel* myOCAFViewSelectionModel; //!< selection model over OCAF tree view
QMap<TCollection_AsciiString, DFBrowserPane_AttributePaneAPI*>
myAttributeTypes; //!< container of created panes
QList<DFBrowserPane_AttributePaneCreatorAPI*> myPaneCreators; //!< pane creators
Handle(AIS_InteractiveContext) myExternalContext; //!< context that comes in initialize parameters
};
#endif
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