modelfilter.h

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// SPDX-FileCopyrightText: Copyright (C) 2015 swift Project Community / Contributors
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-swift-pilot-client-1
 
 
#ifndef SWIFT_GUI_MODELS_LISTMODELFILTER_H
#define SWIFT_GUI_MODELS_LISTMODELFILTER_H
 
#include <memory>
 
#include <QString>
#include <Qt>
 
#include "misc/variant.h"
 
namespace swift::gui::models
{
    template <class ContainerType>
    class IModelFilter
    {
    public:
        IModelFilter(bool enabled = true) : m_enabled(enabled) {}
 
        virtual ~IModelFilter() {}
 
        virtual ContainerType filter(const ContainerType &container) const = 0;
 
        bool isValid() const { return m_valid; }
 
        virtual bool isEnabled() const { return m_enabled && isValid(); }
 
        void setEnabled(bool enable);
 
        virtual swift::misc::CVariant getAsValueObject() const { return {}; }
 
    protected:
        bool stringMatchesFilterExpression(const QString &value, const QString &filter,
                                           Qt::CaseSensitivity cs = Qt::CaseInsensitive) const;
 
        QString stripWildcard(const QString &value) const;
 
        bool m_valid = false; 
 
    private:
        bool m_enabled = true; 
    };
 
    template <class ContainerType>
    class IModelFilterProvider
    {
    public:
        virtual std::unique_ptr<IModelFilter<ContainerType>> createModelFilter() const = 0;
    };
} // namespace swift::gui::models
#endif // SWIFT_GUI_MODELS_LISTMODELFILTER_H