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/****************************************************************************
**
** Copyright (C) 2016 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.
**
****************************************************************************/
#pragma once
#include "navigatormodelinterface.h"
#include <modelnode.h>
#include <nodemetainfo.h>
#include <QAbstractItemModel>
#include <QPointer>
namespace QmlDesigner {
class Model;
class NavigatorView;
class ModelNode;
class NavigatorTreeModel : public QAbstractItemModel, public NavigatorModelInterface
{
Q_OBJECT
public:
explicit NavigatorTreeModel(QObject *parent = nullptr);
~NavigatorTreeModel() override;
QVariant data(const QModelIndex &index, int role) const override;
Qt::ItemFlags flags(const QModelIndex &index) const override;
QVariant headerData(int section, Qt::Orientation orientation,
int role = Qt::DisplayRole) const override;
QModelIndex index(int row, int column,
const QModelIndex &parent = QModelIndex()) const override;
QModelIndex parent(const QModelIndex &index) const override;
int rowCount(const QModelIndex &parent = QModelIndex()) const override;
int columnCount(const QModelIndex &parent = QModelIndex()) const override;
void setView(NavigatorView *view);
ModelNode modelNodeForIndex(const QModelIndex &index) const;
bool hasModelNodeForIndex(const QModelIndex &index) const;
QStringList mimeTypes() const override;
QMimeData *mimeData(const QModelIndexList &indexes) const override;
bool dropMimeData(const QMimeData *data,
Qt::DropAction action,
int row,
int column,
const QModelIndex &parent) override;
QModelIndex indexForModelNode(const ModelNode &node) const override;
QModelIndex createIndexFromModelNode(int row, int column, const ModelNode &modelNode) const;
Qt::DropActions supportedDropActions() const override;
Qt::DropActions supportedDragActions() const override;
bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
void notifyDataChanged(const ModelNode &modelNode) override;
void notifyModelNodesRemoved(const QList<ModelNode> &modelNodes) override;
void notifyModelNodesInserted(const QList<ModelNode> &modelNodes) override;
void notifyModelNodesMoved(const QList<ModelNode> &modelNodes) override;
void notifyIconsChanged() override;
void setFilter(bool showOnlyVisibleItems) override;
void resetModel() override;
private:
void moveNodesInteractive(NodeAbstractProperty &parentProperty, const QList<ModelNode> &modelNodes, int targetIndex);
void handleInternalDrop(const QMimeData *mimeData, int rowNumber, const QModelIndex &dropModelIndex);
void handleItemLibraryItemDrop(const QMimeData *mimeData, int rowNumber, const QModelIndex &dropModelIndex);
void handleItemLibraryImageDrop(const QMimeData *mimeData, int rowNumber, const QModelIndex &dropModelIndex);
QList<QPersistentModelIndex> nodesToPersistentIndex(const QList<ModelNode> &modelNodes);
QPointer<NavigatorView> m_view;
mutable QHash<ModelNode, QModelIndex> m_nodeIndexHash;
bool m_showOnlyVisibleItems = true;
};
} // namespace QmlDesigner
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