package cn.hxex.exam.model;

import java.util.Set;

import cn.hxex.exam.util.HxexStringUtils;

/**
 * The Select Question
 * 
 * @hibernate.class table="SELECT_QUESTION"
 * 
 * @struts.form name="selectQuestionForm"
 *              extends="cn.hxex.exam.form.QuestionForm"
 * 
 * @author galaxy
 * 
 */
public class SelectQuestion extends Question
{
	/**
	 * The Generated Serial Version UID
	 */
	private static final long serialVersionUID = -1669913878068229354L;

	/**
	 * @hibernate.set cascade="all" order-by="item asc"
	 * @hibernate.key column="QUESTION_ID"
	 * @hibernate.one-to-many class="cn.hxex.exam.model.Selected"
	 */
	private Set<Selected> selecteds;

	/**
	 * @return Returns the selecteds.
	 */
	public Set<Selected> getSelecteds()
	{
		return selecteds;
	}

	/**
	 * @param selecteds
	 *            The selecteds to set.
	 */
	public void setSelecteds(Set<Selected> selecteds)
	{
		this.selecteds = selecteds;
	}

	@Override
	public String getContent()
	{
		StringBuffer buf = new StringBuffer();
		buf.append(getTitle());
		buf.append("<br>");
		int i = 0;
		for (Selected selected : getSelecteds())
		{
			buf.append(++i + ". <input type='radio' name='" + this.getId()
					+ "' value='" + selected.getItem() + "'> ");
			buf.append(selected.getContent());
			buf.append("<br>");
		}
		return buf.toString();
	}

	@Override
	public int getScore(String answer)
	{
		if (HxexStringUtils.isEmpty(answer))
			return 0;

		return answer.equals(getAnswer()) ? getScore() : 0;
	}

}