tree_merge_proxy_model.h

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/* Author: Robert Haschke */
 
#pragma once
 
#include <QAbstractItemModel>
#include <QStringList>
 
namespace moveit_rviz_plugin {
namespace utils {
 
class TreeMergeProxyModelPrivate;
class TreeMergeProxyModel : public QAbstractItemModel
{
        Q_OBJECT
        Q_DECLARE_PRIVATE(TreeMergeProxyModel)
        TreeMergeProxyModelPrivate* d_ptr;
 
protected:
        virtual void onRemoveModel(QAbstractItemModel* model);
 
public:
        TreeMergeProxyModel(QObject* parent = nullptr);
        ~TreeMergeProxyModel() override;
 
        size_t modelCount() const;
        bool isGroupItem(const QModelIndex& index) const;
        bool isToplevel(const QModelIndex& index) const;
 
        QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
 
        int rowCount(const QModelIndex& parent = QModelIndex()) const override;
        int columnCount(const QModelIndex& parent = QModelIndex()) const override;
 
        QModelIndex index(int row, int column, const QModelIndex& parent = QModelIndex()) const override;
        QModelIndex parent(const QModelIndex& index) const override;
 
        Qt::ItemFlags flags(const QModelIndex& index) const override;
        QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
        bool setData(const QModelIndex& index, const QVariant& value, int role = Qt::EditRole) override;
 
        void setMimeTypes(const QStringList& mime_types);
        QStringList mimeTypes() const override;
        bool dropMimeData(const QMimeData* mime, Qt::DropAction action, int row, int column,
                          const QModelIndex& parent) override;
 
        bool removeRows(int row, int count, const QModelIndex& parent = QModelIndex()) override;
 
        bool insertModel(const QString& name, QAbstractItemModel* model, int pos = -1);
 
        std::pair<QAbstractItemModel*, QModelIndex> getModel(const QModelIndex& index) const;
        int getRow(const QAbstractItemModel* model) const;
 
public Q_SLOTS:
        bool removeModel(QAbstractItemModel* model);
        bool removeModel(int pos);
 
private:
        Q_PRIVATE_SLOT(d_func(), void _q_sourceDestroyed(QObject*))
        Q_PRIVATE_SLOT(d_func(), void _q_sourceRowsAboutToBeInserted(QModelIndex, int, int))
        Q_PRIVATE_SLOT(d_func(), void _q_sourceRowsInserted(QModelIndex, int, int))
        Q_PRIVATE_SLOT(d_func(), void _q_sourceRowsAboutToBeRemoved(QModelIndex, int, int))
        Q_PRIVATE_SLOT(d_func(), void _q_sourceRowsRemoved(QModelIndex, int, int))
        Q_PRIVATE_SLOT(d_func(), void _q_sourceRowsAboutToBeMoved(QModelIndex, int, int, QModelIndex, int))
        Q_PRIVATE_SLOT(d_func(), void _q_sourceRowsMoved(QModelIndex, int, int, QModelIndex, int))
        Q_PRIVATE_SLOT(d_func(), void _q_sourceDataChanged(QModelIndex, QModelIndex, QVector<int>))
};
}  // namespace utils
}  // namespace moveit_rviz_plugin