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/*
Copyright (c) 2016 Christian Mollekopf <mollekopf@kolabsystems.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.
*/
#include "retriever.h"
Retriever::Retriever(QObject *parent) : QObject(parent)
{
}
QAbstractItemModel* Retriever::model() const
{
return mModel;
}
void Retriever::setModel(QAbstractItemModel* model)
{
mValue = QVariant();
mModel = model;
connect(model, &QAbstractItemModel::rowsInserted, this, &Retriever::onRowsInserted);
connect(model, &QAbstractItemModel::modelReset, this, &Retriever::onModelReset);
if (model->rowCount(QModelIndex())) {
mValue = model->index(0, 0, QModelIndex()).data(mModel->roleNames().key(mPropertyName.toLatin1()));
emit valueChanged();
}
}
void Retriever::onRowsInserted(const QModelIndex &parent, int first, int last)
{
if (!mValue.isValid()) {
mValue = mModel->index(0, 0, QModelIndex()).data(mModel->roleNames().key(mPropertyName.toLatin1()));
emit valueChanged();
}
}
void Retriever::onModelReset()
{
mValue = QVariant();
}
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