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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/View/Tuning/PartunerQModel.cpp
//! @brief Implements class PartunerQModel.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2021
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#include "GUI/View/Tuning/PartunerQModel.h"
#include "GUI/Model/Par/ParameterTreeItems.h"
#include "GUI/Model/Project/ProjectDocument.h"
#include "GUI/Model/Util/UtilXML.h"
#include <QFont>
#include <QMimeData>
PartunerQModel::PartunerQModel(QObject* rootObject, QObject* parent)
: QAbstractItemModel(parent)
, m_root_object(rootObject)
{
}
QVariant PartunerQModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (role != Qt::DisplayRole || orientation != Qt::Horizontal)
return {};
return (section == 0) ? "Name" : "Value";
}
QVariant PartunerQModel::parentColor(const QModelIndex& index) const
{
if (!index.isValid())
return {};
if (const auto* label = toParameterLabelItem(index))
if (label->color().isValid())
return QVariant(label->color());
return parentColor(index.parent());
}
QVariant PartunerQModel::data(const QModelIndex& index, int role) const
{
if (!index.isValid())
return {};
if (role == Qt::BackgroundRole)
return parentColor(index);
if (const auto* label = toParameterLabelItem(index)) {
if (role == Qt::FontRole) {
QFont boldFont;
boldFont.setBold(true);
return boldFont;
}
if (role == Qt::DisplayRole && index.column() == 0)
return label->title();
if (role == Qt::UserRole) {
return label->collapsed();
}
return {};
}
if (auto* var = toParameterItem(index)) {
if (role == Qt::DisplayRole || role == Qt::EditRole) {
if (index.column() == 0)
return var->title();
return var->valueOfLink();
}
return {};
}
return {};
}
Qt::ItemFlags PartunerQModel::flags(const QModelIndex& index) const
{
Qt::ItemFlags result = Qt::ItemIsSelectable | Qt::ItemIsEnabled;
if (toParameterItem(index)) {
result |= Qt::ItemIsDragEnabled;
if (index.column() == 1)
result |= Qt::ItemIsEditable;
}
return result;
}
QModelIndex PartunerQModel::index(int row, int column, const QModelIndex& parent) const
{
if (!hasIndex(row, column, parent))
return {};
if (!parent.isValid())
return createIndex(row, column, m_root_object->children()[row]);
if (auto* label = toParameterLabelItem(parent))
return createIndex(row, column, label->children()[row]);
return {};
}
QModelIndex PartunerQModel::parent(const QModelIndex& index) const
{
if (!index.isValid())
return {};
auto* item = static_cast<QObject*>(index.internalPointer());
if (item->parent() == m_root_object)
return {};
const int row = item->parent()->parent()->children().indexOf(item->parent());
return createIndex(row, 0, item->parent());
}
int PartunerQModel::rowCount(const QModelIndex& parent) const
{
if (parent.column() > 0)
return 0;
if (!parent.isValid())
return m_root_object->children().size();
auto* item = static_cast<QObject*>(parent.internalPointer());
return item->children().size();
}
int PartunerQModel::columnCount(const QModelIndex&) const
{
return 2;
}
QMimeData* PartunerQModel::mimeData(const QModelIndexList& indexes) const
{
auto* mimeData = new QMimeData;
for (auto index : indexes) {
if (ParameterItem* parameterItem = toParameterItem(index)) {
QByteArray data;
data.setNum(reinterpret_cast<qlonglong>(parameterItem));
mimeData->setData(XML::LinkMimeType, data);
break;
}
}
return mimeData;
}
Qt::DropActions PartunerQModel::supportedDragActions() const
{
return Qt::CopyAction;
}
Qt::DropActions PartunerQModel::supportedDropActions() const
{
return Qt::IgnoreAction;
}
ParameterItem* PartunerQModel::getParameterItem(const QModelIndex& index) const
{
return toParameterItem(index);
}
QModelIndex PartunerQModel::indexForItem(ParameterItem* item) const
{
if (item == nullptr)
return {};
if (item->parent()) {
const int row = item->parent()->children().indexOf(item);
return createIndex(row, 0, item);
}
return {};
}
ParameterItem* PartunerQModel::toParameterItem(const QModelIndex& index)
{
auto* item = static_cast<QObject*>(index.internalPointer());
return dynamic_cast<ParameterItem*>(item);
}
ParameterLabelItem* PartunerQModel::toParameterLabelItem(const QModelIndex& index)
{
auto* item = static_cast<QObject*>(index.internalPointer());
return dynamic_cast<ParameterLabelItem*>(item);
}
void PartunerQModel::setExpanded(const QModelIndex& index) const
{
if (auto* label = toParameterLabelItem(index)) {
label->setCollapsed(false);
gDoc->setModified();
}
}
void PartunerQModel::setCollapsed(const QModelIndex& index) const
{
if (auto* label = toParameterLabelItem(index)) {
label->setCollapsed(true);
gDoc->setModified();
}
}
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