/*
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/>.
*/
#pragma once
#include "db/fieldref.h"
#include "questionnairelib/quelement.h"
#include "questionnairelib/quunitselector.h"
class QuMeasurement : public QuElement
{
// Abstract base class for any kind of measurement with metric/imperial
// conversion
Q_OBJECT
public:
QuMeasurement(FieldRefPtr fieldref, QPointer<QuUnitSelector> unit_selector,
bool mandatory = true);
public slots:
void unitsChanged(int units);
protected:
virtual QPointer<QWidget> makeWidget(Questionnaire* questionnaire) override;
virtual FieldRefPtrList fieldrefs() const override;
virtual FieldRefPtrList getMetricFieldrefs() const = 0;
virtual FieldRefPtrList getImperialFieldrefs() const = 0;
virtual void updateMetric() = 0;
virtual void updateImperial() = 0;
virtual QPointer<QuElement> buildMetricGrid() = 0;
virtual QPointer<QuElement> buildImperialGrid() = 0;
virtual void setUpFields() = 0;
QVariant getFieldrefValue() const;
bool setFieldrefValue(const QVariant& value);
bool m_mandatory;
private:
FieldRefPtr m_fieldref;
QPointer<QuUnitSelector> m_unit_selector;
QPointer<QuElement> m_metric_grid;
QPointer<QuElement> m_imperial_grid;
};