- Qt 5.5
- Qt Quick Controls
- Qt Quick Controls - Table View Example
- sortfilterproxymodel.h Example File
- Qt 5.5.1 Reference Documentation

# sortfilterproxymodel.h Example File

tableview/src/sortfilterproxymodel.h

    /****************************************************************************
    **
    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
    **
    ** This file is part of the examples of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:BSD$
    ** You may use this file under the terms of the BSD license as follows:
    **
    ** "Redistribution and use in source and binary forms, with or without
    ** modification, are permitted provided that the following conditions are
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    #ifndef SORTFILTERPROXYMODEL_H
    #define SORTFILTERPROXYMODEL_H

    #include <QtCore/qsortfilterproxymodel.h>
    #include <QtQml/qqmlparserstatus.h>
    #include <QtQml/qjsvalue.h>

    class SortFilterProxyModel : public QSortFilterProxyModel, public QQmlParserStatus
    {
        Q_OBJECT
        Q_INTERFACES(QQmlParserStatus)

        Q_PROPERTY(int count READ count NOTIFY countChanged)
        Q_PROPERTY(QObject *source READ source WRITE setSource)

        Q_PROPERTY(QByteArray sortRole READ sortRole WRITE setSortRole)
        Q_PROPERTY(Qt::SortOrder sortOrder READ sortOrder WRITE setSortOrder)

        Q_PROPERTY(QByteArray filterRole READ filterRole WRITE setFilterRole)
        Q_PROPERTY(QString filterString READ filterString WRITE setFilterString)
        Q_PROPERTY(FilterSyntax filterSyntax READ filterSyntax WRITE setFilterSyntax)

        Q_ENUMS(FilterSyntax)

    public:
        explicit SortFilterProxyModel(QObject *parent = 0);

        QObject *source() const;
        void setSource(QObject *source);

        QByteArray sortRole() const;
        void setSortRole(const QByteArray &role);

        void setSortOrder(Qt::SortOrder order);

        QByteArray filterRole() const;
        void setFilterRole(const QByteArray &role);

        QString filterString() const;
        void setFilterString(const QString &filter);

        enum FilterSyntax {
            RegExp,
            Wildcard,
            FixedString
        };

        FilterSyntax filterSyntax() const;
        void setFilterSyntax(FilterSyntax syntax);

        int count() const;
        Q_INVOKABLE QJSValue get(int index) const;

        void classBegin();
        void componentComplete();

    signals:
        void countChanged();

    protected:
        int roleKey(const QByteArray &role) const;
        QHash<int, QByteArray> roleNames() const;
        bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const;

    private:
        bool m_complete;
        QByteArray m_sortRole;
        QByteArray m_filterRole;
    };

    #endif // SORTFILTERPROXYMODEL_H