package com.onaro.sanscreen.client.view.tabular;

import com.onaro.sanscreen.client.view.GroupingDirector;

/**
 * Generates sub title string to be added in the grouping director toolbar
 * Implementors will extract data from the {@link com.onaro.sanscreen.client.view.GroupingDirector} in order to calculate the text
 */
public interface GroupingSubTitleGenerator {
    /**
     * Generates sub title string to be added in the grouping director toolbar
     * @param groupingDirector data is extracted from the {@link com.onaro.sanscreen.client.view.GroupingDirector} in order to calculate the text
     * @return sub title text
     */
    public String generateSubTitle(GroupingDirector groupingDirector);
}