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package com.example.thantsintoe.herome.Fragments;

import android.content.Context;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.example.thantsintoe.herome.R;


public class pickPowerFragment extends Fragment {
    // TODO: Rename parameter arguments, choose names that match
    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
    private static final String ARG_PARAM1 = "param1";
    private static final String ARG_PARAM2 = "param2";

    // TODO: Rename and change types of parameters
    private String mParam1;
    private String mParam2;

    private pickPowerInteractionListener mListener;

    public pickPowerFragment() {
        // Required empty public constructor
    }

    /**
     * Use this factory method to create a new instance of
     * this fragment using the provided parameters.
     *
     * @param param1 Parameter 1.
     * @param param2 Parameter 2.
     * @return A new instance of fragment pickPowerFragment.
     */
    // TODO: Rename and change types and number of parameters
    public static pickPowerFragment newInstance(String param1, String param2) {
        pickPowerFragment fragment = new pickPowerFragment();
        Bundle args = new Bundle();
        args.putString(ARG_PARAM1, param1);
        args.putString(ARG_PARAM2, param2);
        fragment.setArguments(args);
        return fragment;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments() != null) {
            mParam1 = getArguments().getString(ARG_PARAM1);
            mParam2 = getArguments().getString(ARG_PARAM2);
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        return inflater.inflate(R.layout.fragment_pick_power, container, false);
    }

    // TODO: Rename method, update argument and hook method into UI event
    public void onButtonPressed(Uri uri) {
        if (mListener != null) {
            mListener.onPickPowerFragmentInteraction(uri);
        }
    }

    @Override
    public void onAttach(Context context) {
        super.onAttach(context);
        if (context instanceof pickPowerInteractionListener) {
            mListener = (pickPowerInteractionListener) context;
        } else {
            throw new RuntimeException(context.toString()
                    + " must implement OnFragmentInteractionListener");
        }
    }

    @Override
    public void onDetach() {
        super.onDetach();
        mListener = null;
    }

    /**
     * This interface must be implemented by activities that contain this
     * fragment to allow an interaction in this fragment to be communicated
     * to the activity and potentially other fragments contained in that
     * activity.
     * <p>
     * See the Android Training lesson <a href=
     * "http://developer.android.com/training/basics/fragments/communicating.html"
     * >Communicating with Other Fragments</a> for more information.
     */
    public interface pickPowerInteractionListener {
        // TODO: Update argument type and name
        void onPickPowerFragmentInteraction(Uri uri);
    }
}

package com.example.thantsintoe.herome.Fragments;

import android.content.Context;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;

import com.example.thantsintoe.herome.Activities.MainActivity;
import com.example.thantsintoe.herome.R;

/**
 * A simple {@link Fragment} subclass.
 * Activities that contain this fragment must implement the
 * {@link MainFragment.MainFragmentInteractionListener} interface
 * to handle interaction events.
 * Use the {@link MainFragment#newInstance} factory method to
 * create an instance of this fragment.
 */
public class MainFragment extends Fragment implements View.OnClickListener {
    // TODO: Rename parameter arguments, choose names that match
    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
    private static final String ARG_PARAM1 = "param1";
    private static final String ARG_PARAM2 = "param2";

    // TODO: Rename and change types of parameters
    private String mParam1;
    private String mParam2;

    private Button accidentBtn;
    private Button geneticBtn;
    private Button bornBtn;
    private Button choosePowerBtn;

    private MainFragmentInteractionListener mListener;

    public MainFragment() {
        // Required empty public constructor
    }

    /**
     * Use this factory method to create a new instance of
     * this fragment using the provided parameters.
     *
     * @param param1 Parameter 1.
     * @param param2 Parameter 2.
     * @return A new instance of fragment MainFragment.
     */
    // TODO: Rename and change types and number of parameters
    public static MainFragment newInstance(String param1, String param2) {
        MainFragment fragment = new MainFragment();
        Bundle args = new Bundle();
        args.putString(ARG_PARAM1, param1);
        args.putString(ARG_PARAM2, param2);
        fragment.setArguments(args);
        return fragment;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments() != null) {
            mParam1 = getArguments().getString(ARG_PARAM1);
            mParam2 = getArguments().getString(ARG_PARAM2);
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {

        View view = inflater.inflate(R.layout.fragment_main, container, false);

        accidentBtn = (Button) view.findViewById(R.id.accidentBtn);
        geneticBtn = (Button) view.findViewById(R.id.geneticBtn);
        bornBtn = (Button) view.findViewById(R.id.bornBtn);
        choosePowerBtn = (Button) view.findViewById(R.id.choosePowerBtn);

        accidentBtn.setOnClickListener(this);
        geneticBtn.setOnClickListener(this);
        bornBtn.setOnClickListener(this);

        choosePowerBtn.setEnabled(false);// to disable the button while the app started
        choosePowerBtn.getBackground().setAlpha(128); // reduce the opacity of BG to 50% as it is disabled

        choosePowerBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                MainActivity mainActivity = (MainActivity)getActivity();
                mainActivity.loadPickPowerScreen(); // Requesting to mainactivity to load the another fragment/view
            }
        });

        // Inflate the layout for this fragment
        return view;
    }

    // TODO: Rename method, update argument and hook method into UI event
    public void onButtonPressed(Uri uri) {
        if (mListener != null) {
            mListener.onMainFragmentInteraction(uri);
        }
    }

    @Override
    public void onAttach(Context context) {
        super.onAttach(context);
        if (context instanceof MainFragmentInteractionListener) {
            mListener = (MainFragmentInteractionListener) context;
        } else {
            throw new RuntimeException(context.toString()
                    + " must implement OnFragmentInteractionListener");
        }
    }

    @Override
    public void onDetach() {
        super.onDetach();
        mListener = null;
    }

    @Override
    public void onClick(View clickedView) { //when a button is clicked

        // Re-enable the choose button since an button is clicked
        choosePowerBtn.setEnabled(true);
        choosePowerBtn.getBackground().setAlpha(255);

        // removing selected icon everytime a button is clicked
        accidentBtn.setCompoundDrawablesWithIntrinsicBounds(R.drawable.lightning,0,0,0);
        geneticBtn.setCompoundDrawablesWithIntrinsicBounds(R.drawable.atomic,0,0,0);
        bornBtn.setCompoundDrawablesWithIntrinsicBounds(R.drawable.rocket,0,0,0);

        Button clickedBtn = (Button) clickedView;
        int leftDrawble = 0;
        if(clickedBtn == accidentBtn) {
            leftDrawble = R.drawable.lightning;

        } else if(clickedBtn == geneticBtn) {
            leftDrawble = R.drawable.atomic;

        } else if(clickedBtn == bornBtn) {
            leftDrawble = R.drawable.rocket;

        }

        clickedBtn.setCompoundDrawablesWithIntrinsicBounds(leftDrawble,0,R.drawable.item_selected,0); // add right drawable selected icon



    }

    /**
     * This interface must be implemented by activities that contain this
     * fragment to allow an interaction in this fragment to be communicated
     * to the activity and potentially other fragments contained in that
     * activity.
     * <p>
     * See the Android Training lesson <a href=
     * "http://developer.android.com/training/basics/fragments/communicating.html"
     * >Communicating with Other Fragments</a> for more information.
     */
    public interface MainFragmentInteractionListener {
        // TODO: Update argument type and name
        void onMainFragmentInteraction(Uri uri);
    }
}

package com.example.thantsintoe.herome.Activities;

import android.net.Uri;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

import com.example.thantsintoe.herome.Fragments.MainFragment;
import com.example.thantsintoe.herome.Fragments.pickPowerFragment;
import com.example.thantsintoe.herome.R;

public class MainActivity extends AppCompatActivity implements MainFragment.MainFragmentInteractionListener,pickPowerFragment.pickPowerInteractionListener {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        FragmentManager manager = getSupportFragmentManager();

        Fragment fragment = manager.findFragmentById(R.id.fragment_container); // not id of fragment ...but id of fragment container

        if(fragment == null) {
            fragment = new MainFragment();
            manager.beginTransaction().add(R.id.fragment_container,fragment).commit();
        }


    }

    public void loadPickPowerScreen() {
        pickPowerFragment pickPowerFragment = new pickPowerFragment();

//        this.getSupportFragmentManager().beginTransaction().add(R.id.fragment_container,pickPowerFragment).commit();
        this.getSupportFragmentManager().beginTransaction().replace(R.id.fragment_container,pickPowerFragment).addToBackStack(null).commit();

    }

    @Override
    public void onMainFragmentInteraction(Uri uri) {

    }

    @Override
    public void onPickPowerFragmentInteraction(Uri uri) {

    }
}