SessionDecorationModel.cpp

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//  ************************************************************************************************
//
//  BornAgain: simulate and fit reflection and scattering
//
//! @file      GUI/View/Toplevel/SessionDecorationModel.cpp
//! @brief     Defines class SessionDecorationModel
//!
//! @homepage  http://www.bornagainproject.org
//! @license   GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
//  ************************************************************************************************
 
#include "GUI/View/Toplevel/SessionDecorationModel.h"
#include "GUI/Model/Device/InstrumentItems.h"
#include "GUI/Model/Model/SessionModel.h"
#include <QColor>
 
SessionDecorationModel::SessionDecorationModel(QObject* parent, SessionModel* model)
    : QIdentityProxyModel(parent)
    , m_model(nullptr)
{
    setSessionModel(model);
}
 
void SessionDecorationModel::setSessionModel(SessionModel* model)
{
    QIdentityProxyModel::setSourceModel(model);
    m_model = model;
}
 
QVariant SessionDecorationModel::data(const QModelIndex& index, int role) const
{
    if (role == Qt::ForegroundRole) {
        QVariant result = textColor(index);
        if (result.isValid())
            return result;
    }
 
    return QIdentityProxyModel::data(index, role);
}
 
//! Returns text color. Disabled SessionItem's will appear in gray.
 
QVariant SessionDecorationModel::textColor(const QModelIndex& index) const
{
    QVariant result;
 
    if (SessionItem* item = m_model->itemForIndex(index)) {
        if (!item->isEnabled())
            return QColor(Qt::gray);
    }
 
    return result;
}