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 /* This file is part of the Calligra project, made within the KDE community.
  * Copyright 2012 Friedrich W. H. Kossebau <kossebau@kde.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library 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
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #ifndef KOVIEW_P_H
 #define KOVIEW_P_H
 
 // Calligra
 #include "KoUnit.h"
 #include "KoDocument.h"
 // Qt
 #include <QActionGroup>
 #include <QAction>
 
 
 // Action group which keeps the actions in sync with the document's unit property
 class UnitActionGroup : public QActionGroup
 {
     Q_OBJECT
 public:
     explicit UnitActionGroup(KoDocument *document, bool addPixelUnit, QObject* parent = 0)
             : QActionGroup(parent)
             , m_document(document)
             , m_listOptions(addPixelUnit ? KoUnit::ListAll : KoUnit::HidePixel)
     {
         setExclusive(true);
         connect(this, SIGNAL(triggered(QAction*)), SLOT(onTriggered(QAction*)));
         connect(document, SIGNAL(unitChanged(KoUnit)), SLOT(onUnitChanged(KoUnit)));
 
         const QStringList unitNames = KoUnit::listOfUnitNameForUi(m_listOptions);
         const int currentUnitIndex = m_document->unit().indexInListForUi(m_listOptions);
 
         for (int i = 0; i < unitNames.count(); ++i) {
             QAction* action = new QAction(unitNames.at(i), this);
             action->setData(i);
             action->setCheckable(true);
 
             if (currentUnitIndex == i) {
                 action->setChecked(true);
             }
         }
     }
 
 private Q_SLOTS:
     void onTriggered(QAction *action)
     {
         m_document->setUnit(KoUnit::fromListForUi(action->data().toInt(), m_listOptions));
     }
 
     void onUnitChanged(const KoUnit &unit)
     {
         const int indexInList = unit.indexInListForUi(m_listOptions);
 
         foreach (QAction *action, actions()) {
             if (action->data().toInt() == indexInList) {
                 action->setChecked(true);
                 break;
             }
             // in case the new unit is not in the list of actions
             // this ensures that the action currently checked is unchecked
             // once the end of actions has been reached
             if (action->isChecked()) {
                 action->setChecked(false);
             }
         }
     }
 
 private:
     KoDocument *m_document;
     KoUnit::ListOptions m_listOptions;
 };
 
 #endif