fixedstringfilterproxymodel.h

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/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Distributed under the Boost Software License, Version 1.0.
 * (See accompanying file LICENSE or copy at https://www.boost.org/LICENSE_1_0.txt)
 **********************************************************************/
 
#pragma once
 
#include <QProperty>
#include <QSortFilterProxyModel>
#include "modelsconfig.h"
 
namespace LC::Util
{
    class UTIL_MODELS_API FixedStringFilterProxyModel : public QSortFilterProxyModel
    {
        QStringMatcher Filter_;
        QList<int> Columns_ {};
        QList<int> Roles_ { Qt::DisplayRole };
 
        QPropertyNotifier FilterRegexGuard_;
        QPropertyNotifier FilterKeyColumnGuard_;
    public:
        explicit FixedStringFilterProxyModel (QObject* = nullptr);
        explicit FixedStringFilterProxyModel (Qt::CaseSensitivity, QObject* = nullptr);
 
        void SetFilterString (const QString&);
        QString GetFilterString () const;
 
        bool IsFilterSet () const;
 
        void SetCaseSensitivity (Qt::CaseSensitivity);
        Qt::CaseSensitivity GetCaseSensitivity () const;
 
        void SetFilterRoles (const QList<int>&);
        QList<int> GetFilterRoles () const;
 
        void SetFilterColumns (const QList<int>&);
        QList<int> GetFilterColumns () const;
    protected:
        bool IsMatch (const QString&) const;
 
        /* Called by `SetFilterString()` within the `beginFilterChange()`/`endFilterChange()` pair.
         *
         * Override this function to update any custom filtering dependent on the filter string
         * in your subclass.
         */
        virtual void UpdateDerivedFilter (const QString&);
 
        bool filterAcceptsRow (int row, const QModelIndex& parent) const override;
    private:
        using QSortFilterProxyModel::setFilterFixedString;
    };
}