tagmodel.h

/*
    SPDX-FileCopyrightText: 2014 Daniel Vrátil <dvratil@redhat.com>
 
    SPDX-License-Identifier: LGPL-2.0-or-later
*/
 
#pragma once
 
#include <QAbstractItemModel>
 
#include "akonadicore_export.h"
#include "tag.h"
 
#include <memory>
 
namespace Akonadi
{
class Monitor;
class TagModelPrivate;
 
class AKONADICORE_EXPORT TagModel : public QAbstractItemModel
{
    Q_OBJECT
 
public:
    enum Roles {
        IdRole = Qt::UserRole + 1,
        NameRole,
        TypeRole,
        GIDRole,
        ParentRole,
        TagRole,
 
        UserRole = Qt::UserRole + 500,
        TerminalUserRole = 2000,
        EndRole = 65535
    };
 
    explicit TagModel(Monitor *recorder, QObject *parent = nullptr);
    ~TagModel() override;
 
    [[nodiscard]] int columnCount(const QModelIndex &parent = QModelIndex()) const override;
    [[nodiscard]] int rowCount(const QModelIndex &parent = QModelIndex()) const override;
 
    [[nodiscard]] QVariant data(const QModelIndex &index, int role) const override;
    [[nodiscard]] QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
 
    [[nodiscard]] Qt::ItemFlags flags(const QModelIndex &index) const override;
    /*
    virtual Qt::DropActions supportedDropActions() const;
    virtual QMimeData* mimeData( const QModelIndexList &indexes ) const;
    virtual bool dropMimeData( const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent );
    */
 
    [[nodiscard]] QModelIndex parent(const QModelIndex &child) const override;
    [[nodiscard]] QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
 
protected:
    Q_DECLARE_PRIVATE(TagModel)
    std::unique_ptr<TagModelPrivate> const d_ptr;
 
    TagModel(Monitor *recorder, TagModelPrivate *dd, QObject *parent);
 
Q_SIGNALS:
    void populated();
 
private:
    bool insertRows(int row, int count, const QModelIndex &index = QModelIndex()) override;
    bool insertColumns(int column, int count, const QModelIndex &index = QModelIndex()) override;
    bool removeColumns(int column, int count, const QModelIndex &index = QModelIndex()) override;
    bool removeRows(int row, int count, const QModelIndex &index = QModelIndex()) override;
    // Used by FakeAkonadiServerCommand::connectForwardingSignals (tagmodeltest)
    Q_PRIVATE_SLOT(d_func(), void tagsFetched(const Akonadi::Tag::List &tags))
    Q_PRIVATE_SLOT(d_func(), void monitoredTagAdded(const Akonadi::Tag &tag))
    Q_PRIVATE_SLOT(d_func(), void monitoredTagRemoved(const Akonadi::Tag &tag))
    Q_PRIVATE_SLOT(d_func(), void monitoredTagChanged(const Akonadi::Tag &tag))
};
}