questionform.java

老外的在线考试

/*
 * 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.admin.test;

import javax.servlet.http.HttpServletRequest;
import org.apache.struts.action.*;
import com.cyberdemia.cybertester.admin.*;
import com.cyberdemia.cybertester.CyberTesterUtils;
import com.cyberdemia.school.DifficultyEnum;

/**
 * 
 * QuestionForm is a Struts ActionForm to send, receive and validate values from the 
 * question editor form.
 *  
 * @author Alexander Yap
 */
public final class QuestionForm extends ActionForm
{
	public QuestionForm()
	{
		super();
		for (int aidx=0; aidx<m_answerChoices.length; aidx++)
		{
			m_answerChoices[aidx]=null;
		}
	}

	public String getQuesId()
	{
		return m_id;
	}

	public void setQuesId(String id)
	{
		m_id = id;
	}

	public String getMode()
	{
		return m_mode;
	}

	public void setMode(String mode)
	{
		m_mode = mode;
	}

	public boolean isNew()
	{
		return AdminConstants.EDITOR_NEW_MODE.equalsIgnoreCase(m_mode);
	}

	public String getTitle()
	{
		return m_title;
	}
	
	public void setTitle(String title)
	{
		m_title = title;
	}
	
	public String getQuestionText()
	{
		return m_quesText;
	}
	
	public void setQuestionText(String quesText)
	{
		m_quesText = quesText;
	}
	
	public String getHintText()
	{
		return m_hintText;
	}

	public void setHintText(String hintText)
	{
		m_hintText = hintText;
	}

	public String getExplanationText()
	{
		return m_explanationText;
	}
	
	public void setExplanationText(String explanationText)
	{
		m_explanationText = explanationText;
	}
	
	public int getAnswer()
	{
		return m_answer;
	}
	
	public void setAnswer(int ans)
	{
		m_answer = ans;
	}
	
	public String[] getAnswerChoices()
	{
		return m_answerChoices;
	}
	
	public String getAnswerChoice0()
	{
		return m_answerChoices[0];
	}
	
	public void setAnswerChoice0(String choice)
	{
		m_answerChoices[0] = choice;
	}
	
	public String getAnswerChoice1()
	{
		return m_answerChoices[1];
	}
	
	public void setAnswerChoice1(String choice)
	{
		m_answerChoices[1] = choice;
	}
	
	public String getAnswerChoice2()
	{
		return m_answerChoices[2];
	}
	
	public void setAnswerChoice2(String choice)
	{
		m_answerChoices[2] = choice;
	}
	
	public String getAnswerChoice3()
	{
		return m_answerChoices[3];
	}
	
	public void setAnswerChoice3(String choice)
	{
		m_answerChoices[3] = choice;
	}
	
	public void setDifficultyStr( String diffStr)
	{
		m_diffStr = diffStr;
	}
	
	public String getDifficultyStr()
	{
		return m_diffStr;
	}	
	
	public int getTimeLimitSeconds()
	{
		return m_timeLimitSecs;
	}

	public void setTimeLimitSeconds(int secs)
	{
		m_timeLimitSecs = secs;
	}

	/**
	* Reset all properties to their default values.
	*
	* @param mapping The mapping used to select this instance
	* @param request The servlet request we are processing
	*/
	public void reset(ActionMapping mapping, HttpServletRequest request) 
	{
		m_title=null;
		m_quesText=null;
		m_hintText=null;
		m_diffStr=DifficultyEnum.TRIVIAL.getStr();
		m_id="";
		for (int aidx=0; aidx<m_answerChoices.length; aidx++)
		{
			m_answerChoices[aidx]=null;
		}
		m_answer = 0;
		m_mode=AdminConstants.EDITOR_NEW_MODE;
		m_timeLimitSecs = 0;
	}
	
	public ActionErrors validate(ActionMapping mapping, HttpServletRequest request) 
	{
		ActionErrors errors = new ActionErrors();
		
		CyberTesterUtils.validateRequiredFormSelectedParam("Title", m_title, errors);
		CyberTesterUtils.validateRequiredFormEnteredParam("Question text", m_quesText, errors);
		CyberTesterUtils.validateRequiredFormSelectedParam("Difficulty", m_diffStr, errors);

		if ((m_answer<0) || (m_answer>=m_answerChoices.length))
		{
			errors.add("Answer", new ActionError("error.form.missingParam.select","Answer"));
		}
		
		for (int aidx=0; aidx<m_answerChoices.length; aidx++)
		{
			CyberTesterUtils.validateRequiredFormEnteredParam("Answer choice "+aidx, m_answerChoices[aidx], errors);
		}
		return errors;
	}
	
	private String m_id="";
	private String m_title=null;
	private String m_quesText=null;
	private String m_hintText=null;
	private String m_explanationText=null; 
	private String[] m_answerChoices = new String[4];
	private int m_answer = 0;
	private String m_mode=AdminConstants.EDITOR_NEW_MODE;
	private String m_diffStr = DifficultyEnum.TRIVIAL.getStr();
	private int m_timeLimitSecs = 0;
}