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/*
modelcontentproxymodel.h
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2015 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Volker Krause <volker.krause@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#ifndef GAMMARAY_MODELINSPECTOR_MODELCONTENTPROXYMODEL_H
#define GAMMARAY_MODELINSPECTOR_MODELCONTENTPROXYMODEL_H
#include <common/modelroles.h>
#include <QIdentityProxyModel>
#include <QPointer>
QT_BEGIN_NAMESPACE
class QItemSelection;
class QItemSelectionModel;
QT_END_NAMESPACE
namespace GammaRay {
/*! Proxies source model content to the client.
* This does some safety checks for known broken sources.
*/
class ModelContentProxyModel : public QIdentityProxyModel
{
Q_OBJECT
public:
enum Roles
{
DisabledRole = GammaRay::UserRole + 1,
SelectedRole,
IsDisplayStringEmptyRole
};
explicit ModelContentProxyModel(QObject *parent = nullptr);
~ModelContentProxyModel() override;
/*! Will provide the selection via a custom role for rendering in ModelContentDelegate. */
void setSelectionModel(QItemSelectionModel *selectionModel);
void setSourceModel(QAbstractItemModel *model) override;
QVariant data(const QModelIndex &proxyIndex, int role = Qt::DisplayRole) const override;
Qt::ItemFlags flags(const QModelIndex &index) const override;
QMap<int, QVariant> itemData(const QModelIndex &index) const override;
private slots:
void selectionChanged(const QItemSelection &selected, const QItemSelection &deselected);
private:
void emitDataChangedForSelection(const QItemSelection &selection);
QPointer<QItemSelectionModel> m_selectionModel;
};
}
#endif // SAFETYFILTERPROXYMODEL_H
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