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/*
Copyright (c) 2016 Christian Mollekofp <mollekopf@kolabsys.com>
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.
*/
#pragma once
#include <QAbstractItemModel>
#include <QString>
/**
* Exposes a model and maintains a current index selection.
*/
class Selector : public QObject {
Q_OBJECT
Q_PROPERTY (int currentIndex READ currentIndex WRITE setCurrentIndex)
Q_PROPERTY (QAbstractItemModel* model READ model CONSTANT)
public:
Selector(QAbstractItemModel *model);
virtual QAbstractItemModel *model() { return mModel; }
void setCurrentIndex(int i) {
mCurrentIndex = i;
Q_ASSERT(mModel);
if (i >= 0) {
setCurrent(mModel->index(mCurrentIndex, 0));
} else {
setCurrent(QModelIndex());
}
}
void reapplyCurrentIndex();
int currentIndex() { return mCurrentIndex; }
virtual void setCurrent(const QModelIndex &) = 0;
private:
QAbstractItemModel *mModel = nullptr;
int mCurrentIndex = 0;
};
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