booleditor.cpp

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//  ************************************************************************************************
//
//  qt-mvvm: Model-view-view-model framework for large GUI applications
//
//! @file      mvvm/viewmodel/mvvm/editors/booleditor.cpp
//! @brief     Implements class CLASS?
//!
//! @homepage  http://www.bornagainproject.org
//! @license   GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2020
//! @authors   Gennady Pospelov et al, Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
//  ************************************************************************************************
 
#include "mvvm/editors/booleditor.h"
#include <QCheckBox>
#include <QHBoxLayout>
#include <stdexcept>
 
namespace {
const QString true_text = "True";
const QString false_text = "False";
} // namespace
 
using namespace ModelView;
 
BoolEditor::BoolEditor(QWidget* parent) : CustomEditor(parent), m_checkBox(new QCheckBox)
 
{
    setAutoFillBackground(true);
    auto layout = new QHBoxLayout;
    layout->setContentsMargins(4, 0, 0, 0);
    layout->addWidget(m_checkBox);
    setLayout(layout);
 
    connect(m_checkBox, &QCheckBox::toggled, this, &BoolEditor::onCheckBoxChange);
    setFocusProxy(m_checkBox);
    m_checkBox->setText(true_text);
}
 
bool BoolEditor::is_persistent() const
{
    return true;
}
 
void BoolEditor::onCheckBoxChange(bool value)
{
    if (value != m_data.value<bool>())
        setDataIntern(QVariant(value));
}
 
void BoolEditor::update_components()
{
    if (m_data.type() != QVariant::Bool)
        throw std::runtime_error("BoolEditor::update_components() -> Error. Wrong variant type");
 
    bool value = m_data.value<bool>();
    m_checkBox->blockSignals(true);
    m_checkBox->setChecked(value);
    m_checkBox->setText(value ? true_text : false_text);
    m_checkBox->blockSignals(false);
}