SimpleTemplateStatsGiver.java

package fi.utu.ville.exercises.template;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import com.vaadin.ui.Component;

import fi.utu.ville.exercises.model.ExerciseException;
import fi.utu.ville.exercises.model.StatisticalSubmissionInfo;
import fi.utu.ville.exercises.model.StatisticsInfoColumn;
import fi.utu.ville.exercises.model.SubmissionStatisticsGiver;
import fi.utu.ville.standardutils.Localizer;
import fi.utu.ville.standardutils.TempFilesManager;

public class SimpleTemplateStatsGiver implements
		SubmissionStatisticsGiver<TemplateExerciseData, TemplateSubmissionInfo> {
		
	/**
	* 
	*/
	private static final long serialVersionUID = -1410253605264134011L;
	
	private Localizer localizer;
	
	private List<StatisticsInfoColumn<?>> statCols;
	
	@Override
	public void initialize(
			TemplateExerciseData exercise,
			List<StatisticalSubmissionInfo<TemplateSubmissionInfo>> dataObjects,
			Localizer localizer, TempFilesManager tempManager)
					throws ExerciseException {
		this.localizer = localizer;
		
		initStatsCol(dataObjects, exercise);
		
	}
	
	private void initStatsCol(
			List<StatisticalSubmissionInfo<TemplateSubmissionInfo>> data,
			TemplateExerciseData exer) {
			
		List<String> answers = new ArrayList<String>();
		
		for (int i = 0, n = data.size(); i < n; i++) {
			answers.add(data.get(i).getSubmissionData().getAnswer());
		}
		
		StatisticsInfoColumn<String> answersCol = new StatisticsInfoColumn<String>(
				localizer.getUIText(TemplateUiConstants.ANSWER),
				localizer.getUIText(TemplateUiConstants.ANSWER_COL_DESC,
						exer.getQuestion()),
				String.class, answers, true);
				
		statCols = Collections
				.<StatisticsInfoColumn<?>> singletonList(answersCol);
	}
	
	@Override
	public Component getView() {
		// no extra statistics functionality, just export the data as
		// stat-column
		return null;
	}
	
	@Override
	public List<StatisticsInfoColumn<?>> getAsTabularData() {
		return statCols;
	}
	
}