inspectable.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2020 CERN
 * @author Tomasz Wlostowski <[email protected]>
 * @author Maciej Suminski <[email protected]>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef INSPECTABLE_H
#define INSPECTABLE_H
 
#include <core/wx_stl_compat.h>
 
#include <properties/property_mgr.h>
#include <properties/property.h>
 
#include <optional>
 
class INSPECTABLE
{
public:
 virtual ~INSPECTABLE()
 {
 }
 
 bool Set( PROPERTY_BASE* aProperty, wxAny& aValue )
 {
 PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
 void* object = propMgr.TypeCast( this, TYPE_HASH( *this ), aProperty->OwnerHash() );
 
 if( object )
 aProperty->setter( object, aValue );
 
 return object != nullptr;
 }
 
 template<typename T>
 bool Set( PROPERTY_BASE* aProperty, T aValue )
 {
 PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
 void* object = propMgr.TypeCast( this, TYPE_HASH( *this ), aProperty->OwnerHash() );
 
 if( object )
 aProperty->set<T>( object, aValue );
 
 return object != nullptr;
 }
 
 template<typename T>
 bool Set( const wxString& aProperty, T aValue )
 {
 PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
 TYPE_ID thisType = TYPE_HASH( *this );
 PROPERTY_BASE* prop = propMgr.GetProperty( thisType, aProperty );
 void* object = nullptr;
 
 if( prop )
 {
 object = propMgr.TypeCast( this, thisType, prop->OwnerHash() );
 
 if( object )
 prop->set<T>( object, aValue );
 }
 
 return object != nullptr;
 }
 
 wxAny Get( PROPERTY_BASE* aProperty ) const
 {
 PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
 const void* object = propMgr.TypeCast( this, TYPE_HASH( *this ), aProperty->OwnerHash() );
 return object ? aProperty->getter( object ) : wxAny();
 }
 
 template<typename T>
 T Get( PROPERTY_BASE* aProperty ) const
 {
 PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
 const void* object = propMgr.TypeCast( this, TYPE_HASH( *this ), aProperty->OwnerHash() );
 
 if( !object )
 throw std::runtime_error( "Could not cast INSPECTABLE to the requested type" );
 
 return aProperty->get<T>( object );
 }
 
 template<typename T>
 std::optional<T> Get( const wxString& aProperty ) const
 {
 PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
 TYPE_ID thisType = TYPE_HASH( *this );
 PROPERTY_BASE* prop = propMgr.GetProperty( thisType, aProperty );
 std::optional<T> ret;
 
 if( prop )
 {
 const void* object = propMgr.TypeCast( this, thisType, prop->OwnerHash() );
 
 if( object )
 ret = prop->get<T>( object );
 }
 
 return ret;
 }
};
 
#endif /* INSPECTABLE_H */