Method categories

src/frontend/DatasetModel.cpp:122–127

* @brief Returns the list of categories for a given collection */

 * @brief Returns the list of categories for a given collection
 */
QStringList DatasetModel::categories(const QString& collection) {
	if (!collection.isEmpty())
		return m_categories[collection];
	else
		return allCategories();
}

/**
 * @brief  Returns the list of subcategories of a given collection and category.