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#ifndef MODEL_H
#define MODEL_H
#include <QAbstractItemModel>
#include <QFileIconProvider>
#include <QVector>
class Model : public QAbstractItemModel
{
Q_OBJECT
public:
Model(int rows, int columns, QObject *parent = 0);
~Model();
QModelIndex index(int row, int column, const QModelIndex &parent) const;
QModelIndex parent(const QModelIndex &child) const;
int rowCount(const QModelIndex &parent) const;
int columnCount(const QModelIndex &parent) const;
QVariant data(const QModelIndex &index, int role) const;
QVariant headerData(int section, Qt::Orientation orientation, int role) const;
bool hasChildren(const QModelIndex &parent) const;
Qt::ItemFlags flags(const QModelIndex &index) const;
bool isDragEnabled(const QModelIndex &index) const;
private:
struct Node
{
Node(Node *parent = 0) : parent(parent), children(0) {}
~Node() { delete children; }
Node *parent;
QVector<Node> *children;
};
Node *node(int row, Node *parent) const;
Node *parent(Node *child) const;
int row(Node *node) const;
int rc, cc;
QVector<Node> *tree;
QFileIconProvider iconProvider;
};
#endif
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