org.ESLM.Model.ProtoLesson.java Source code

Introduction

Here is the source code for org.ESLM.Model.ProtoLesson.java

Source

package org.ESLM.Model;

/*
Copyright (C) 2015 Rmi Even, Eric Perlinski
<remi.even@telecomnancy.net>
<eric.perlinski@telecomnancy.net>
    
This file is part of ESLM.
    
ESLM 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 3 of the License, or
(at your option) any later version.
    
ESLM 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.  If not, see <http://www.gnu.org/licenses/>.
*/

import java.util.ArrayList;
import java.util.Iterator;
import java.util.Observable;

import org.json.JSONObject;

public class ProtoLesson extends Observable implements Iterable<Instruction>, JSONSerializable {

    private String title;
    private ArrayList<Instruction> exercises;

    public ProtoLesson(String title) {
        this.title = title;
        this.exercises = new ArrayList<Instruction>();
    }

    public int getNumberOfExercises() {
        return exercises.size();
    }

    public void addExercise(Instruction exercise) {
        exercises.add(exercise);
        this.setChanged();
        this.notifyObservers();
    }

    public void addExercise(int exerciseNumber, Instruction exercise) {
        exercises.add(exerciseNumber - 1, exercise);
        this.setChanged();
        this.notifyObservers();
    }

    public void removeExercise(int exerciseNumber) {
        exercises.remove(exerciseNumber - 1);
        this.setChanged();
        this.notifyObservers();
    }

    public Instruction getExercise(int exerciseNumber) {
        return exercises.get(exerciseNumber - 1);
    }

    @Override
    public JSONObject toJSON() {
        JSONObject JSONProtoLesson = new JSONObject();
        JSONProtoLesson.put("title", this.title);
        for (Instruction instruction : this.exercises) {
            JSONProtoLesson.append("exercises", instruction.toJSON());
        }
        return JSONProtoLesson;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
        this.setChanged();
        this.notifyObservers();
    }

    @Override
    public Iterator<Instruction> iterator() {
        return exercises.iterator();
    }

}