property_mgr.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2020-2023 CERN
 * Copyright The KiCad Developers, see AUTHORS.txt for contributors.
 *
 * @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 PROPERTY_MGR_H
#define PROPERTY_MGR_H
 
#include <core/wx_stl_compat.h> // Needed for stl hash extensions
 
#include <wx/string.h>
 
#include <functional>
#include <list>
#include <map>
#include <unordered_map>
#include <set>
#include <vector>
#include <memory>
#include <eda_units.h>
 
class PROPERTY_BASE;
class TYPE_CAST_BASE;
class ORIGIN_TRANSFORMS;
class INSPECTABLE;
class COMMIT;

using TYPE_ID = size_t;
 
using PROPERTY_LISTENER = std::function<void( INSPECTABLE*, PROPERTY_BASE*, COMMIT* )>;
 
class PROPERTY_COMMIT_HANDLER
{
public:
    PROPERTY_COMMIT_HANDLER( COMMIT* aCommit );
 
    ~PROPERTY_COMMIT_HANDLER();
};

class PROPERTY_MANAGER
{
public:
    static PROPERTY_MANAGER& Instance()
    {
        static PROPERTY_MANAGER pm;
        return pm;
    }

    void RegisterType( TYPE_ID aType, const wxString& aName );

    PROPERTY_BASE* GetProperty( TYPE_ID aType, const wxString& aProperty ) const;

    const std::vector<PROPERTY_BASE*>& GetProperties( TYPE_ID aType ) const;
 
    const std::map<PROPERTY_BASE*, int>& GetDisplayOrder( TYPE_ID aType ) const;
 
    const std::vector<wxString>& GetGroupDisplayOrder( TYPE_ID aType ) const;

    const void* TypeCast( const void* aSource, TYPE_ID aBase, TYPE_ID aTarget ) const;
 
    void* TypeCast( void* aSource, TYPE_ID aBase, TYPE_ID aTarget ) const
    {
        return const_cast<void*>( TypeCast( (const void*) aSource, aBase, aTarget ) );
    }

    PROPERTY_BASE& AddProperty( PROPERTY_BASE* aProperty, const wxString& aGroup = wxEmptyString );

    PROPERTY_BASE& ReplaceProperty( size_t aBase, const wxString& aName, PROPERTY_BASE* aNew,
                                    const wxString& aGroup = wxEmptyString );

    void AddTypeCast( TYPE_CAST_BASE* aCast );

    void InheritsAfter( TYPE_ID aDerived, TYPE_ID aBase );

    void Mask( TYPE_ID aDerived, TYPE_ID aBase, const wxString& aName );

    void OverrideAvailability( TYPE_ID aDerived, TYPE_ID aBase, const wxString& aName,
                               std::function<bool( INSPECTABLE* )> aFunc );

    void OverrideWriteability( TYPE_ID aDerived, TYPE_ID aBase, const wxString& aName,
                               std::function<bool( INSPECTABLE* )> aFunc );

    bool IsAvailableFor( TYPE_ID aItemClass, PROPERTY_BASE* aProp, INSPECTABLE* aItem );

    bool IsWriteableFor( TYPE_ID aItemClass, PROPERTY_BASE* aProp, INSPECTABLE* aItem );

    bool IsOfType( TYPE_ID aDerived, TYPE_ID aBase ) const;

    void Rebuild();
 
    struct CLASS_INFO
    {
        wxString name;
        TYPE_ID type;
        std::vector<PROPERTY_BASE*> properties;
    };
 
    typedef std::vector<CLASS_INFO> CLASSES_INFO;
 
    CLASSES_INFO GetAllClasses();

    void PropertyChanged( INSPECTABLE* aObject, PROPERTY_BASE* aProperty );

    void RegisterListener( TYPE_ID aType, PROPERTY_LISTENER aListenerFunc )
    {
        m_listeners[aType].emplace_back( aListenerFunc );
    }
 
    void UnregisterListeners( TYPE_ID aType )
    {
        m_listeners[aType].clear();
    }
 
private:
    PROPERTY_MANAGER() :
            m_dirty( false ),
            m_managedCommit( nullptr )
    {
    }
 
    friend class PROPERTY_COMMIT_HANDLER;

    struct CLASS_DESC
    {
        CLASS_DESC( TYPE_ID aId )
            : m_id( aId )
        {
            m_groupDisplayOrder.emplace_back( wxEmptyString );
            m_groups.insert( wxEmptyString );
        }

        const TYPE_ID m_id;

        std::vector<std::reference_wrapper<CLASS_DESC>> m_bases;

        std::map<wxString, std::unique_ptr<PROPERTY_BASE>> m_ownProperties;

        std::map<TYPE_ID, std::unique_ptr<TYPE_CAST_BASE>> m_typeCasts;

        std::set<std::pair<size_t, wxString>> m_maskedBaseProperties;

        std::map<std::pair<size_t, wxString>, std::function<bool( INSPECTABLE* )>> m_availabilityOverrides;

        std::map<std::pair<size_t, wxString>, std::function<bool( INSPECTABLE* )>> m_writeabilityOverrides;

        std::vector<PROPERTY_BASE*> m_allProperties;

        std::map<PROPERTY_BASE*, int> m_displayOrder;

        std::vector<wxString> m_groupDisplayOrder;

        std::vector<PROPERTY_BASE*> m_ownDisplayOrder;

        std::set<wxString> m_groups;

        std::set<std::pair<size_t, wxString>> m_replaced;

        void rebuild();

        void collectPropsRecur( std::vector<PROPERTY_BASE*>& aResult,
                                std::set<std::pair<size_t, wxString>>& aReplaced,
                                std::map<PROPERTY_BASE*, int>& aDisplayOrder,
                                std::set<std::pair<size_t, wxString>>& aMasked ) const;
    };

    CLASS_DESC& getClass( TYPE_ID aTypeId );
 
    std::unordered_map<TYPE_ID, wxString> m_classNames;

    std::unordered_map<TYPE_ID, CLASS_DESC> m_classes;

    bool m_dirty;
 
    std::map<TYPE_ID, std::vector<PROPERTY_LISTENER>> m_listeners;
 
    COMMIT* m_managedCommit;
};
 

#define REGISTER_TYPE(x) PROPERTY_MANAGER::Instance().RegisterType(TYPE_HASH(x), TYPE_NAME(x))
 
#endif /* PROPERTY_MGR_H */