GeoDataTreeModel.h

// SPDX-License-Identifier: LGPL-2.1-or-later
//
// SPDX-FileCopyrightText: 2010 Thibaut Gridel <tgridel@free.fr>
//
 
#ifndef MARBLE_GEODATATREEMODEL_H
#define MARBLE_GEODATATREEMODEL_H
 
#include "marble_export.h"
 
#include <QAbstractItemModel>
 
class QItemSelectionModel;
 
namespace Marble
{
class GeoDataObject;
class GeoDataDocument;
class GeoDataFeature;
class GeoDataContainer;
class GeoDataTourPrimitive;
 
/**
 * @short The representation of GeoData in a model
 * This class represents all available data given by kml-data files.
 */
class MARBLE_EXPORT GeoDataTreeModel : public QAbstractItemModel
{
    Q_OBJECT
 
public:
    /**
     * Creates a new GeoDataTreeModel.
     *
     * @param parent The parent object.
     */
    explicit GeoDataTreeModel(QObject *parent = nullptr);
 
    /**
     * Destroys the GeoDataModel.
     */
    ~GeoDataTreeModel() override;
 
    /**
     * Return the number of Items in the Model.
     */
    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
 
    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
 
    QHash<int, QByteArray> roleNames() const override;
 
    QVariant data(const QModelIndex &index, int role) const override;
 
    QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
 
    QModelIndex index(const GeoDataObject *object) const;
 
    QModelIndex parent(const QModelIndex &index) const override;
 
    int columnCount(const QModelIndex &parent = QModelIndex()) const override;
 
    Qt::ItemFlags flags(const QModelIndex &index) const override;
 
    bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
 
    QItemSelectionModel *selectionModel();
 
    GeoDataDocument *rootDocument();
 
public Q_SLOTS:
 
    /**
     * Sets the root document to use. This replaces previously loaded data, if any.
     * @param document The new root document. Ownership retains with the caller,
     *   i.e. GeoDataTreeModel will not delete the passed document at its destruction.
     */
    void setRootDocument(GeoDataDocument *document);
 
    Q_INVOKABLE int addFeature(GeoDataContainer *parent, GeoDataFeature *feature, int row = -1);
 
    Q_INVOKABLE bool removeFeatureRow(Marble::GeoDataContainer *parent, int index);
 
    Q_INVOKABLE int removeFeature(GeoDataFeature *feature);
 
    void updateFeature(GeoDataFeature *feature);
 
    Q_INVOKABLE int addDocument(GeoDataDocument *document);
 
    void removeDocument(int index);
 
    void removeDocument(GeoDataDocument *document);
 
    Q_INVOKABLE int addTourPrimitive(const QModelIndex &parent, GeoDataTourPrimitive *primitive, int row = -1);
    Q_INVOKABLE bool removeTourPrimitive(const QModelIndex &parent, int index);
    Q_INVOKABLE bool swapTourPrimitives(const QModelIndex &parent, int indexA, int indexB);
 
Q_SIGNALS:
    /// insert and remove row don't trigger any signal that proxies forward
    /// this signal will refresh geometry layer and placemark layout
    void removed(GeoDataObject *object);
    void added(GeoDataObject *object);
 
private:
    Q_DISABLE_COPY(GeoDataTreeModel)
    class Private;
    Private *const d;
};
 
}
 
#endif // MARBLE_GEODATATREEMODEL_H