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    41 

    42 #ifndef TREEMODEL_H

    43 #define TREEMODEL_H

    44 

    45 #include <QAbstractItemModel>

    46 #include <QModelIndex>

    47 #include <QVariant>

    48 

    49 class TreeItem;

    50 

    51 class TreeModel : public QAbstractItemModel

    52 {

    53     Q_OBJECT

    54 

    55 public:

    56     TreeModel(const QStringList &strings, QObject *parent = 0);

    57     ~TreeModel();

    58 

    59     QVariant data(const QModelIndex &index, int role) const;

    60     Qt::ItemFlags flags(const QModelIndex &index) const;

    61     QVariant headerData(int section, Qt::Orientation orientation,

    62                         int role = Qt::DisplayRole) const;

    63     QModelIndex index(int row, int column,

    64                       const QModelIndex &parent = QModelIndex()) const;

    65     QModelIndex parent(const QModelIndex &index) const;

    66     int rowCount(const QModelIndex &parent = QModelIndex()) const;

    67     int columnCount(const QModelIndex &parent = QModelIndex()) const;

    68 

    69     bool insertRows(int position, int rows, const QModelIndex &parent = QModelIndex());

    70     bool removeRows(int position, int rows, const QModelIndex &parent = QModelIndex());

    71     bool setData(const QModelIndex &index, const QVariant &value,

    72                  int role = Qt::EditRole);

    73 

    74 private:

    75     void setupModelData(const QStringList &lines, TreeItem *parent);

    76 

    77     TreeItem *rootItem;

    78 };

    79 

    80 #endif