recursivecollectionfilterproxymodel.h

/*
    SPDX-FileCopyrightText: 2009 Stephen Kelly <steveire@gmail.com>
    SPDX-FileCopyrightText: 2012-2025 Laurent Montel <montel@kde.org>
 
    SPDX-License-Identifier: LGPL-2.0-or-later
*/
 
#pragma once
 
#include "akonadicore_export.h"
 
#include <QSortFilterProxyModel>
 
#include <memory>
 
namespace Akonadi
{
class RecursiveCollectionFilterProxyModelPrivate;
 
/**
 * @short A model to filter out collections of non-matching content types.
 *
 * @author Stephen Kelly <steveire@gmail.com>
 * @since 4.6
 */
class AKONADICORE_EXPORT RecursiveCollectionFilterProxyModel : public QSortFilterProxyModel
{
    Q_OBJECT
 
public:
    /**
     * Creates a new recursive collection filter proxy model.
     *
     * @param parent The parent object.
     */
    explicit RecursiveCollectionFilterProxyModel(QObject *parent = nullptr);
 
    /**
     * Destroys the recursive collection filter proxy model.
     */
    ~RecursiveCollectionFilterProxyModel() override;
 
    /**
     * Add content mime type to be shown by the filter.
     *
     * @param mimeType A mime type to be shown.
     */
    void addContentMimeTypeInclusionFilter(const QString &mimeType);
 
    /**
     * Add content mime types to be shown by the filter.
     *
     * @param mimeTypes A list of content mime types to be included.
     */
    void addContentMimeTypeInclusionFilters(const QStringList &mimeTypes);
 
    /**
     * Clears the current filters.
     */
    void clearFilters();
 
    /**
     * Replace the content mime types to be shown by the filter.
     *
     * @param mimeTypes A list of content mime types to be included.
     */
    void setContentMimeTypeInclusionFilters(const QStringList &mimeTypes);
 
    /**
     * Returns the currently included mimetypes in the filter.
     */
    [[nodiscard]] QStringList contentMimeTypeInclusionFilters() const;
 
    /**
     * Add search pattern
     * @param pattern the search pattern to add
     * @since 4.8.1
     */
    void setSearchPattern(const QString &pattern);
 
    /**
     * Show only checked item
     * @param checked only shows checked item if set as @c true
     * @since 4.9
     */
    void setIncludeCheckedOnly(bool checked);
 
    /**
     * Don't show unified mailbox
     * @since 5.18.0
     */
    void setExcludeUnifiedMailBox(bool exclude);
 
protected:
    int columnCount(const QModelIndex &index) const override;
    bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const override;
 
protected:
    std::unique_ptr<RecursiveCollectionFilterProxyModelPrivate> const d_ptr;
    Q_DECLARE_PRIVATE(RecursiveCollectionFilterProxyModel)
};
 
}