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    41 

    42 #ifndef FEATURETREEMODEL_H

    43 #define FEATURETREEMODEL_H

    44 

    45 #include <QAbstractItemModel>

    46 #include <QMap>

    47 #include <QHash>

    48 #include <QTextStream>

    49 

    50 QT_BEGIN_NAMESPACE

    51 

    52 class Feature;

    53 class Node;

    54 

    55 uint qHash(const QModelIndex&);

    56 

    57 class FeatureTreeModel : public QAbstractItemModel

    58 {

    59     Q_OBJECT

    60 

    61 public:

    62     FeatureTreeModel(QObject *parent = 0);

    63     ~FeatureTreeModel();

    64 

    65     void clear();

    66     

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

    68     bool setData(const QModelIndex &index, const QVariant &value, int role);

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

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

    71                         int role = Qt::DisplayRole) const;

    72     QModelIndex index(int row, int column,

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

    74     QModelIndex index(const Feature *feature) const;    

    75     QModelIndex parent(const QModelIndex &index) const;

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

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

    78 

    79     void addFeature(Feature *feature);    

    80     Feature* getFeature(const QModelIndex &index) const;

    81 

    82     void readConfig(QTextStream &stream);

    83     void writeConfig(QTextStream &stream) const;

    84     

    85 public slots:

    86     void featureChanged();

    87     

    88 private:

    89     QModelIndex createIndex(int row, int column,

    90                             const QModelIndex &parent,

    91                             const Node *feature) const;    

    92     QModelIndex index(const QModelIndex &parent, const Feature *feature) const;

    93     bool contains(const QString &section, const Feature *f) const;

    94     Node* find(const QString &section, const Feature *f) const;

    95     QStringList findDisabled(const QModelIndex &parent) const;    

    96     

    97     QMap<QString, QList<Node*> > sections;

    98     mutable QHash<QModelIndex, QModelIndex> parentMap;

    99     mutable QHash<const Feature*, QModelIndex> featureIndexMap;    

   100 };

   101 

   102 QT_END_NAMESPACE

   103 

   104 #endif // FEATURETREEMODEL_H