/*
Copyright (C) 2012, University of Cambridge, Department of Psychiatry.
Created by Rudolf Cardinal (rnc1001@cam.ac.uk).
This file is part of CamCOPS.
CamCOPS 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 3 of the License, or
(at your option) any later version.
CamCOPS 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 CamCOPS. If not, see <https://www.gnu.org/licenses/>.
*/
#include "quunitselector.h"
#include <QObject>
#include <QString>
#include <QWidget>
#include "db/fieldref.h"
#include "layouts/layouts.h"
#include "questionnairelib/commonoptions.h"
#include "questionnairelib/namevalueoptions.h"
#include "questionnairelib/questionnaire.h"
#include "questionnairelib/qumcq.h"
#include "widgets/basewidget.h"
QuUnitSelector::QuUnitSelector(NameValueOptions options) :
m_units(CommonOptions::METRIC),
m_fr_units(nullptr),
m_options(options)
{
}
QPointer<QWidget> QuUnitSelector::makeWidget(Questionnaire* questionnaire)
{
setUpFields();
auto layout = new VBoxLayout();
auto unit_selector = (new QuMcq(m_fr_units, m_options))
->setHorizontal(true)
->setAsTextButton(true);
connect(m_fr_units.data(), &FieldRef::valueChanged,
this, &QuUnitSelector::fieldChanged);
layout->addWidget(unit_selector->widget(questionnaire));
QPointer<QWidget> widget = new BaseWidget();
widget->setLayout(layout);
return widget;
}
void QuUnitSelector::setUpFields()
{
FieldRef::GetterFunction get_units = std::bind(&QuUnitSelector::getUnits, this);
FieldRef::SetterFunction set_units = std::bind(&QuUnitSelector::setUnits, this, std::placeholders::_1);
m_fr_units = FieldRefPtr(new FieldRef(get_units, set_units, true));
}
// ============================================================================
// Signal handlers
// ============================================================================
void QuUnitSelector::fieldChanged()
{
#ifdef DEBUG_DATA_FLOW
qDebug() << Q_FUNC_INFO;
#endif
emit unitsChanged(m_units);
}
QVariant QuUnitSelector::getUnits() const
{
return m_units;
}
bool QuUnitSelector::setUnits(const QVariant& value)
{
#ifdef DEBUG_DATA_FLOW
qDebug() << Q_FUNC_INFO << value;
#endif
int units = value.toInt();
if (units != CommonOptions::METRIC && units != CommonOptions::IMPERIAL &&
units != CommonOptions::BOTH) {
units = CommonOptions::METRIC;
}
const bool changed = units != m_units;
m_units = units;
return changed;
}