tools/qconfig/featuretreemodel.h

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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