QWidget * DDD::createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
	if(index.column() == DDColumn)
	{
		QComboBox *editor = new QComboBox(parent);
		QStringList lst1, lst2, lst3;

		int row = index.row();
		int col = index.column() - 1;
		
const		QAbstractItemModel *model = index.model();
		
		QString str;
		
                QModelIndex ind = model->index(row, col);
		str = model->data(ind, Qt::DisplayRole).toString();
		lst1 << "Integer" << "Double" << "String";
		lst2 << "str1" << "str2" << "str3";
		lst3 << "a" << "b" << "c";


		if (str == "int")
		editor->addItems(lst1);
		if (str == "double")
		editor->addItems(lst2);
		if (str == "str")
		editor->addItems(lst3);
		
		connect(editor, SIGNAL(editingFinished()), this, SLOT(commitAndCloseEditor()));
		return editor;
	}
	else {
		return QItemDelegate::createEditor(parent, option, index);
	}
}