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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "nodeselectionmodel.h"
#include "eventlist.h"
#include "nodelistview.h"
#include <QSortFilterProxyModel>
#include <QStandardItemModel>
namespace QmlDesigner {
NodeSelectionModel::NodeSelectionModel(QAbstractItemModel *model)
: QItemSelectionModel(model)
{}
void NodeSelectionModel::select(const QItemSelection &selection,
QItemSelectionModel::SelectionFlags command)
{
QItemSelectionModel::select(selection, command);
for (auto &&modelIndex : selection.indexes()) {
if (modelIndex.column() == NodeListModel::idColumn) {
int id = modelIndex.data(NodeListModel::internalIdRole).toInt();
EventList::selectNode(id);
emit nodeSelected(modelIndex.data(NodeListModel::eventIdsRole).toStringList());
}
}
}
QList<int> NodeSelectionModel::selectedNodes() const
{
QList<int> out;
for (auto index : selectedRows())
out.push_back(index.data(NodeListModel::internalIdRole).toInt());
return out;
}
void NodeSelectionModel::selectNode(int nodeId)
{
if (nodeId < 0) {
clearSelection();
return;
}
if (auto *model = qobject_cast<QAbstractItemModel *>(this->model())) {
auto start = model->index(0, 0);
auto indexes = model->match(start,
NodeListModel::internalIdRole,
QString::number(nodeId),
1,
Qt::MatchExactly);
for (auto index : indexes)
QItemSelectionModel::select(index, QItemSelectionModel::Rows | QItemSelectionModel::ClearAndSelect);
}
}
void NodeSelectionModel::storeSelection()
{
if (const auto *proxyModel = qobject_cast<const QSortFilterProxyModel *>(model())) {
if (hasSelection())
m_stored = proxyModel->mapSelectionToSource(selection());
}
}
void NodeSelectionModel::reselect()
{
if (const auto *proxyModel = qobject_cast<const QSortFilterProxyModel *>(model()))
select(proxyModel->mapSelectionFromSource(m_stored),
QItemSelectionModel::Select | QItemSelectionModel::Rows);
}
} // namespace QmlDesigner.
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