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 #ifndef QQUICKTREEMODELADAPTOR_H
 #define QQUICKTREEMODELADAPTOR_H
 
 //
 //  W A R N I N G
 //  -------------
 //
 // This file is not part of the Qt API.  It exists purely as an
 // implementation detail.  This header file may change from version to
 // version without notice, or even be removed.
 //
 // We mean it.
 //
 
 #include "kube_export.h"
 
 #include <QSet>
 #include <QPointer>
 #include <QAbstractItemModel>
 #include <QItemSelectionModel>
 
 class QAbstractItemModel;
 
 class KUBE_EXPORT QQuickTreeModelAdaptor1 : public QAbstractListModel
 {
     Q_OBJECT
     Q_PROPERTY(QAbstractItemModel *model READ model WRITE setModel NOTIFY modelChanged)
     Q_PROPERTY(QModelIndex rootIndex READ rootIndex WRITE setRootIndex RESET resetRootIndex NOTIFY rootIndexChanged)
 
     struct TreeItem;
 
 public:
     explicit QQuickTreeModelAdaptor1(QObject *parent = 0);
 
     QAbstractItemModel *model() const;
     const QModelIndex &rootIndex() const;
     void setRootIndex(const QModelIndex &idx);
     void resetRootIndex();
 
     enum {
         DepthRole = Qt::UserRole - 5,
         ExpandedRole,
         HasChildrenRole,
         HasSiblingRole,
         ModelIndexRole
     };
 
     QHash<int, QByteArray> roleNames() const;
     int rowCount(const QModelIndex &parent = QModelIndex()) const;
     QVariant data(const QModelIndex &, int role) const;
     bool setData(const QModelIndex &index, const QVariant &value, int role);
 
     void clearModelData();
 
     bool isVisible(const QModelIndex &index);
     bool childrenVisible(const QModelIndex &index);
 
     const QModelIndex &mapToModel(const QModelIndex &index) const;
     Q_INVOKABLE QModelIndex mapRowToModelIndex(int row) const;
 
     Q_INVOKABLE QItemSelection selectionForRowRange(const QModelIndex &fromIndex, const QModelIndex &toIndex) const;
 
     void showModelTopLevelItems(bool doInsertRows = true);
     void showModelChildItems(const TreeItem &parent, int start, int end, bool doInsertRows = true, bool doExpandPendingRows = true);
 
     int itemIndex(const QModelIndex &index) const;
     void expandPendingRows(bool doInsertRows = true);
     int lastChildIndex(const QModelIndex &index);
     void removeVisibleRows(int startIndex, int endIndex, bool doRemoveRows = true);
 
     void expandRow(int n);
     void collapseRow(int n);
     bool isExpanded(int row) const;
 
     Q_INVOKABLE bool isExpanded(const QModelIndex &) const;
 
     void dump() const;
     bool testConsistency(bool dumpOnFail = false) const;
 
 signals:
     void modelChanged(QAbstractItemModel *model);
     void rootIndexChanged();
     void expanded(const QModelIndex &index);
     void collapsed(const QModelIndex &index);
 
 public slots:
     void expand(const QModelIndex &);
     void collapse(const QModelIndex &);
 
     void setModel(QAbstractItemModel *model);
 
 private slots:
     void modelHasBeenDestroyed();
     void modelHasBeenReset();
     void modelDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRigth, const QVector<int> &roles);
     void modelLayoutAboutToBeChanged(const QList<QPersistentModelIndex> &parents, QAbstractItemModel::LayoutChangeHint hint);
     void modelLayoutChanged(const QList<QPersistentModelIndex> &parents, QAbstractItemModel::LayoutChangeHint hint);
     void modelRowsAboutToBeInserted(const QModelIndex & parent, int start, int end);
     void modelRowsAboutToBeMoved(const QModelIndex & sourceParent, int sourceStart, int sourceEnd, const QModelIndex & destinationParent, int destinationRow);
     void modelRowsAboutToBeRemoved(const QModelIndex & parent, int start, int end);
     void modelRowsInserted(const QModelIndex & parent, int start, int end);
     void modelRowsMoved(const QModelIndex & sourceParent, int sourceStart, int sourceEnd, const QModelIndex & destinationParent, int destinationRow);
     void modelRowsRemoved(const QModelIndex & parent, int start, int end);
 
 private:
     struct TreeItem {
         QPersistentModelIndex index;
         int depth;
         bool expanded;
 
         explicit TreeItem(const QModelIndex &idx = QModelIndex(), int d = 0, int e = false)
             : index(idx), depth(d), expanded(e)
         { }
 
         inline bool operator== (const TreeItem &other) const
         {
             return this->index == other.index;
         }
     };
 
     QPointer<QAbstractItemModel> m_model;
     QPersistentModelIndex m_rootIndex;
     QList<TreeItem> m_items;
     QSet<QPersistentModelIndex> m_expandedItems;
     QList<TreeItem *> m_itemsToExpand;
     mutable int m_lastItemIndex;
 };
 
 #endif // QQUICKTREEMODELADAPTOR_H