testresultstooltipgenerator.java

来自「老外的在线考试」· Java 代码 · 共 55 行

/*
 * CyberTester - J2EE Web application for creating, delivering and managing tests/exams/surveys. 
 * Copyright (C) 2003 CyberDemia Research and Services Pty Ltd
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program (see the file COPYING); if not, write to the
 * Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * See the COPYING file located in the top-level-directory of
 * the archive of this program for complete text of license.
 */
package com.cyberdemia.cybertester.student.report;
import java.util.*;
import org.jfree.chart.labels.CategoryItemLabelGenerator;
import org.jfree.data.CategoryDataset;
import com.cyberdemia.school.ScoreData;

/**
 * TestResultsToolTipGenerator generates tool tips for the results chart.
 * 
 * @author Alexander Yap
 */
public class TestResultsToolTipGenerator implements CategoryItemLabelGenerator
{
	public TestResultsToolTipGenerator(List scoreDataList)
	{
		m_scoreDataList = new ArrayList( scoreDataList );
	}

	public String generateItemLabel(CategoryDataset data, int series, int category)
	{
		ScoreData scoreData = (ScoreData)m_scoreDataList.get(category);
		return ""+scoreData.getScore()+"/"+scoreData.getMaxScore();
	}

	public String generateToolTip(CategoryDataset data, int series, int category)
	{
		ScoreData scoreData = (ScoreData)m_scoreDataList.get(category);
		return "Score : "+scoreData.getScore()+"/"+scoreData.getMaxScore();
	}

	private List m_scoreDataList = null;
}