Question.java

/*
 * Copyright (c) 2013 Allogy Interactive.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.allogy.app.media;

import java.util.ArrayList;
import android.net.Uri;

public class Question {
	/** Constants which defines the presence of a type of quiz question */
	public static final int TYPE_MULTIPLE_CHOICE = 0x1;
	public static final int TYPE_SHORT_ANSWER = 0x1<<1;
	public static final int TYPE_VIDEO = 0x1<<2;
	
	/** The id parsed from the xml - Unique id representing the question, generated by 
	 * the backend */
	private String id;
	
	/** The uri which represents the media content, Currently not used */
	private Uri mediaUri;
	/** Question type representing the type of answers the question can have. This is
	 * Constructed by OR ing the constants defined above */
	private int questionType;
	/** The question text */
	private String questionText;
	/** For multiple choice questions, this holds the different choices */
	private ArrayList<String> possibleAnswers;
	private ArrayList<String> answerIds;
	/** For the questions which has multiple choices, this holds the selected answer */
	private int selectedAnswer;
	/** For short answer questions, this holds the short answer entered by the student,
	 * Max 140 characters */
	private String shortAnswer;
	
	public Question () {
		questionText = "";
		possibleAnswers = new ArrayList<String>();
		answerIds = new ArrayList<String>();
		selectedAnswer = -1;
	}
	
	public void setId(String question_id){
		id = question_id;
	}
	
	public String getId(){
		return id;
	}
	
	public void addAnswerId(String answerId) {
		answerIds.add(answerId);
	}
	
	public String getAnswerId(int i ){
		return answerIds.get(i);
	}
	
	public void setMediaUri (String s) {
		mediaUri = Uri.parse(s);
	}
	
	public Uri getMediaUri () {
		return mediaUri;
	}
	
	public void setType (int s) {
		questionType = s;
	}
	
	public int getType() {
		return questionType;
	}
	
	public void setText (String s) {
		questionText = s;
	}
	
	public String getQuestionText () {
		return questionText;
	}
	
	public int length() {
		return possibleAnswers.size();
	}
	
	public void addAnswer (String s) {
		possibleAnswers.add(s);
	}
	
	public String getAnswerText(int i) {
		return possibleAnswers.get(i);
	}
	
	public int getNumAnswers() {
		return possibleAnswers.size();
	}
	
	public void setSelected(int i) {
		selectedAnswer = i;
	}
	
	public int getSelected() {
		return selectedAnswer;
	}

	public boolean hasMediaContent() {
		return false;
	}

	public void setShortAnswer(String shortAnswer) {
		this.shortAnswer = shortAnswer;
	}

	public String getShortAnswer() {
		return shortAnswer;
	}
}