korganizer/kocheckableproxymodel.h

   1 /*
   2   This file is part of KOrganizer.
   3
   4   Copyright (C) 2012 Sergio Martins <iamsergio@gmail.com>
   5
   6   This program is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU General Public License as published by
   8   the Free Software Foundation; either version 2 of the License, or
   9   (at your option) any later version.
  10
  11   This program is distributed in the hope that it will be useful,
  12   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14   GNU General Public License for more details.
  15
  16   You should have received a copy of the GNU General Public License along
  17   with this program; if not, write to the Free Software Foundation, Inc.,
  18   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19
  20   As a special exception, permission is given to link this program
  21   with any edition of Qt, and distribute the resulting executable,
  22   without including the source code for Qt in the source distribution.
  23 */
  24
  25 #ifndef KORG_KOCHECKABLE_PROXYMODEL_H
  26 #define KORG_KOCHECKABLE_PROXYMODEL_H
  27
  28 #include <KCheckableProxyModel>
  29
  30 // TODO: This functionality could be ported to the KCheckableProxyModel
  31 /**
  32  * A KCheckableProxyModel that emits a signal before and after toggling.
  33  *
  34  * Listeners, like to-do view, restore tree expand state before unchecking,
  35  * and restore after checking.
  36  */
  37 class KOCheckableProxyModel : public KCheckableProxyModel
  38 {
  39     Q_OBJECT
  40 public:
  41     explicit KOCheckableProxyModel(QObject *parent);
  42
  43     /**reimp*/
  44     bool setData(const QModelIndex &index, const QVariant &value,
  45                  int role = Qt::EditRole) Q_DECL_OVERRIDE;
  46
  47 Q_SIGNALS:
  48     void aboutToToggle(bool oldState);
  49     void toggled(bool newState);
  50 };
  51
  52 #endif