filteractionwidget.h

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/*
  Copyright (c) 2010 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
  Copyright (c) 2010 Andras Mantia <andras@kdab.com>
  Author: Marc Mutz <mutz@kde.org>
  based upon work by Stefan Taferner <taferner@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) any later version.

  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, write to the Free Software Foundation, Inc.,
  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#ifndef MAILCOMMON_FILTERACTIONWIDGET_H
#define MAILCOMMON_FILTERACTIONWIDGET_H

#include "mailcommon_export.h"

#include <libkdepim/widgets/kwidgetlister.h>

#include <KHBox>

namespace MailCommon {

class FilterAction;
class FilterActionWidget;

class FilterActionWidget : public KHBox
{
    Q_OBJECT

public:
    explicit FilterActionWidget( QWidget *parent = 0 );

    ~FilterActionWidget();

    void setAction( const MailCommon::FilterAction *action );

    MailCommon::FilterAction *action() const;

    void updateAddRemoveButton( bool addButtonEnabled, bool removeButtonEnabled );

signals:
    void filterModified();
    void addWidget( QWidget * );
    void removeWidget( QWidget * );

private:
    //@cond PRIVATE
    class Private;
    Private *const d;

    Q_PRIVATE_SLOT( d, void slotFilterTypeChanged( int ) )
    Q_PRIVATE_SLOT( d, void slotAddWidget() )
    Q_PRIVATE_SLOT( d, void slotRemoveWidget() )
    //@endcond
};

class MAILCOMMON_EXPORT FilterActionWidgetLister : public KPIM::KWidgetLister
{
    Q_OBJECT

public:
    explicit FilterActionWidgetLister( QWidget *parent = 0 );

    virtual ~FilterActionWidgetLister();

    void setActionList( QList<MailCommon::FilterAction*> *list );

    void updateActionList();

    void reconnectWidget( FilterActionWidget *w );

public Q_SLOTS:
    void reset();
    void slotAddWidget( QWidget * );
    void slotRemoveWidget( QWidget * );

signals:
    void filterModified();

protected:
    virtual void clearWidget( QWidget * );

    virtual QWidget *createWidget( QWidget * );

    void updateAddRemoveButton();

private:
    //@cond PRIVATE
    class Private;
    Private *const d;
    //@endcond
    void connectWidget(QWidget *widget, FilterAction *filterAction);
};

}

#endif