{

Q_OBJECT

public:

LayerTableModel(QObject *parent = 0);

~LayerTableModel();

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 = Qt::DisplayRole) const;

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

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

void deleteItem(int index);

void addItem(QString &layerName, QImage &thumbnail, bool isShow = true);

void refreshModel();

QModelIndex& selecttedIndex(int row);

void setSelecttedRow(int row);

int getSelecttedRow() const;

public slots:

void changeLayerVisibility(const QModelIndex&);

private:

struct LayerItem

{

QString layerName;

QImage thumbnail;

float transparence;

bool isShow;

};

QList<LayerItem> layerList;

int selectedRow;