kmail/foldershortcutactionmanager.h

/* Copyright 2010 Thomas McGuire <mcguire@kde.org>

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License as
   published by the Free Software Foundation; either version 2 of
   the License or (at your option) version 3 or any later version
   accepted by the membership of KDE e.V. (or its successor approved
   by the membership of KDE e.V.), which shall act as a proxy
   defined in Section 14 of version 3 of the license.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef FOLDERSHORTCUTACTIONMANAGER_H
#define FOLDERSHORTCUTACTIONMANAGER_H

#include "kmail_export.h"

#include <Akonadi/Entity>
#include <Akonadi/Collection>

#include <QHash>
#include <QModelIndex>
#include <QObject>

class QAction;

class KActionCollection;

namespace KMail {

class FolderShortcutCommand : public QObject
{
    Q_OBJECT

public:
    FolderShortcutCommand( QWidget* mainwidget, const Akonadi::Collection & col );
    ~FolderShortcutCommand();

public slots:
    void start();
    /** Assign a KAction to the command which is used to trigger it. This
    * action will be deleted along with the command, so you don't need to
    * keep track of it separately. */
    void setAction( QAction* );

signals:
    void selectCollectionFolder( const Akonadi::Collection & col );

private:
    Akonadi::Collection mCollectionFolder;
    QWidget *mMainWidget;
    QAction *mAction;
};

class KMAIL_EXPORT FolderShortcutActionManager : public QObject
{
    Q_OBJECT

public:
    explicit FolderShortcutActionManager( QWidget *parent, KActionCollection *actionCollection );
    void createActions();

public slots:

    /**
       * Updates the shortcut action for this collection. Call this when a shortcut was
       * added, removed or changed.
       */
    void shortcutChanged( const Akonadi::Collection &collection );

private slots:
    /**
       * Removes the shortcut actions associated with a folder.
       */
    void slotCollectionRemoved( const Akonadi::Collection &collection );

    void slotRowsInserted( const QModelIndex &parent, int start, int end );

private:
    void updateShortcutsForIndex( const QModelIndex &parent, int start, int end );
    QHash< Akonadi::Entity::Id, FolderShortcutCommand* > mFolderShortcutCommands;
    KActionCollection *mActionCollection;
    QWidget *mParent;
};

}

#endif