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45 #include <QAbstractItemModel>
46 #include <QFileIconProvider>
50 class Model : public QAbstractItemModel
55 Model(int rows, int columns, QObject *parent = 0);
58 QModelIndex index(int row, int column, const QModelIndex &parent) const;
59 QModelIndex parent(const QModelIndex &child) const;
61 int rowCount(const QModelIndex &parent) const;
62 int columnCount(const QModelIndex &parent) const;
64 QVariant data(const QModelIndex &index, int role) const;
65 QVariant headerData(int section, Qt::Orientation orientation, int role) const;
67 bool hasChildren(const QModelIndex &parent) const;
68 Qt::ItemFlags flags(const QModelIndex &index) const;
74 Node(Node *parent = 0) : parent(parent), children(0) {}
75 ~Node() { delete children; }
77 QVector<Node> *children;
80 Node *node(int row, Node *parent) const;
81 Node *parent(Node *child) const;
82 int row(Node *node) const;
87 QFileIconProvider iconProvider;