Proyectos de Subversion Android Microlearning

package com.cesams.twogetskills.adapter;

import android.content.Context;

import android.text.Html;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.RadioButton;

import android.widget.TextView;

import androidx.recyclerview.widget.RecyclerView;

import com.cesams.twogetskills.R;

import com.cesams.twogetskills.entity.Answer;

import com.cesams.twogetskills.entity.Question;

import com.cesams.twogetskills.pojo.QuizResponse;

import java.util.List;

public class QuizSingleAnswerListViewAdapter extends RecyclerView.Adapter<QuizSingleAnswerListViewAdapter.ViewHolder> {

    private final static String TAG = "C2GS - QuizSingleAdapter";

    private Question mQuestion;

    private List<Answer> mAnswers;

    private List<QuizResponse> mQuizResponses;

    private LayoutInflater mInflater;

    private int selected = -1;

    // data is passed into the constructor

    public QuizSingleAnswerListViewAdapter(Context context, Question question,  List<Answer> answers, List<QuizResponse> quizResponses) {

        this.mInflater = LayoutInflater.from(context);

        this.mQuestion = question;

        this.mAnswers = answers;

        this.mQuizResponses = quizResponses;

    }

    // inflates the row layout from xml when needed

    @Override

    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {

        View view = mInflater.inflate(R.layout.fragment_quiz_single_answer_item, parent, false);

        return new ViewHolder(view);

    }

    // binds the data to the TextView in each row

    @Override

    public void onBindViewHolder(ViewHolder holder, int position) {

        Answer mAnswer = mAnswers.get(position);

        holder.mText.setText(Html.fromHtml(mAnswer.getText(), Html.FROM_HTML_MODE_COMPACT));

        holder.mRadioButton.setChecked(position == selected);

    }

    // total number of rows

    @Override

    public int getItemCount() {

        return mAnswers.size();

    }

    // stores and recycles views as they are scrolled off screen

    public class ViewHolder extends RecyclerView.ViewHolder  {

        TextView mText;

        RadioButton mRadioButton;

        ViewHolder(View itemView) {

            super(itemView);

            mText = itemView.findViewById(R.id.textView3);

            mRadioButton = itemView.findViewById(R.id.fragment_quiz_single_answer_item_radio);

            mRadioButton.setOnClickListener(new View.OnClickListener() {

                @Override

                public void onClick(View view) {

                    selected = getBindingAdapterPosition();

                    Answer answer = mAnswers.get(selected);

                    int position = -1;

                    for(int i = 0; i < mQuizResponses.size(); i++)

                    {

                        if(mQuestion.getUuid().equals(mQuizResponses.get(i).getQuestionUuid())){

                            position = i;

                            break;

                        }

                    }

                    if(position > -1) {

                        mQuizResponses.get(position).setAnswerUuid(answer.getUuid());

                        mQuizResponses.get(position).setPoints(answer.getCorrect().equalsIgnoreCase("y") ? mQuestion.getPoints() : 0);

                    } else {

                        QuizResponse quizResponse = new QuizResponse();

                        quizResponse.setAnswerUuid(answer.getUuid());

                        quizResponse.setQuestionUuid(mQuestion.getUuid());

                        quizResponse.setQuizUuid(mQuestion.getQuizUuid());

                        quizResponse.setValue(0);

                        quizResponse.setPoints(answer.getCorrect().equalsIgnoreCase("y") ? mQuestion.getPoints() : 0);

                        mQuizResponses.add(quizResponse);

                    }

                    notifyDataSetChanged();

                }

            });

        }

    }

    public void resetSelection()

    {

        selected = -1;

    }

    // convenience method for getting data at click position

    public Answer getItem(int id) {

        return mAnswers.get(id);

    }

}