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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/coregui/Views/SampleDesigner/ItemTreeView.cpp
//! @brief Implements class ItemTreeView
//!
//! @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/SampleDesigner/ItemTreeView.h"
#include "GUI/coregui/Models/SessionModel.h"
#include <QDragMoveEvent>
#include <QMimeData>
#include <QtCore/QXmlStreamWriter>
ItemTreeView::ItemTreeView(QWidget* parent) : QTreeView(parent)
{
setAllColumnsShowFocus(true);
setWindowTitle("Sample Tree View");
setObjectName("ObjectTree");
setContextMenuPolicy(Qt::CustomContextMenu);
setDragDropMode(QAbstractItemView::InternalMove);
}
ItemTreeView::~ItemTreeView() = default;
void ItemTreeView::dragMoveEvent(QDragMoveEvent* event)
{
QTreeView::dragMoveEvent(event);
SessionModel* model = static_cast<SessionModel*>(this->model());
model->setDraggedItemType(QString());
QByteArray xml_data = qUncompress(event->mimeData()->data(SessionXML::ItemMimeType));
QXmlStreamReader reader(xml_data);
while (!reader.atEnd()) {
reader.readNext();
if (reader.isStartElement()) {
if (reader.name() == SessionXML::ItemTag) {
const QString model_type =
reader.attributes().value(SessionXML::ModelTypeAttribute).toString();
model->setDraggedItemType(model_type);
break;
}
}
}
}
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