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// ************************************************************************** //
//
// BornAgain: simulate and fit scattering at grazing incidence
//
//! @file GUI/coregui/Views/CommonWidgets/ModelTreeView.cpp
//! @brief Implements class ModelTreeView
//!
//! @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/coregui/Views/CommonWidgets/ModelTreeView.h"
#include "GUI/coregui/Models/SessionDecorationModel.h"
#include "GUI/coregui/Models/SessionModel.h"
#include "GUI/coregui/utils/GUIHelpers.h"
#include "GUI/coregui/utils/StyleUtils.h"
#include <QTreeView>
#include <QVBoxLayout>
ModelTreeView::ModelTreeView(QWidget* parent, SessionModel* model)
: QWidget(parent), m_tree(new QTreeView),
m_decorationProxy(new SessionDecorationModel(this, model)), m_is_expanded(false)
{
if (!model)
throw GUIHelpers::Error("ModelTreeView::ModelTreeView() -> Error. Nullptr as model.");
setObjectName(model->getModelTag());
auto layout = new QVBoxLayout;
layout->setMargin(0);
layout->setSpacing(0);
layout->addWidget(m_tree);
StyleUtils::setPropertyStyle(m_tree);
m_decorationProxy->setSessionModel(model);
m_tree->setModel(m_decorationProxy);
if (m_decorationProxy->rowCount(QModelIndex()) > 0)
setExpanded(true);
setLayout(layout);
}
void ModelTreeView::setItemDelegate(QAbstractItemDelegate* delegate)
{
m_tree->setItemDelegate(delegate);
}
void ModelTreeView::toggleExpanded()
{
setExpanded(!isExpanded());
}
void ModelTreeView::setExpanded(bool expanded)
{
ASSERT(m_tree);
if (expanded) {
m_tree->expandAll();
m_tree->resizeColumnToContents(0);
m_tree->resizeColumnToContents(1);
} else {
m_tree->collapseAll();
}
m_is_expanded = expanded;
}
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