package com.example.awolf.testabanco;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

    private Button btPrimeiro = null;
    private Button btRetrocede = null;
    private Button btInsere = null;
    private Button btExclui = null;
    private Button btAltera = null;
    private Button btAvanca = null;
    private Button btUltimo = null;
    private Button btAtualiza = null;

    private Button btOk = null;
    private Button btCancelar = null;

    private EditText etNome = null;
    private EditText etEndereco = null;
    private EditText etFone = null;


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

        iniciaComponentes();

    }

    private void iniciaComponentes() {
        btOk = (Button) findViewById(R.id.bt_ok);
        btOk.setOnClickListener(this);

        btCancelar = (Button) findViewById(R.id.bt_cancelar);
        btCancelar.setOnClickListener(this);

        btInsere = (Button) findViewById(R.id.bt_insere);
        btInsere.setOnClickListener(this);

        btAltera = (Button) findViewById(R.id.bt_altera);
        btAltera.setOnClickListener(this);

        btExclui = (Button) findViewById(R.id.bt_exclui);
        btExclui.setOnClickListener(this);

        btPrimeiro = (Button) findViewById(R.id.bt_primeiro);
        btPrimeiro.setOnClickListener(this);

        btRetrocede = (Button) findViewById(R.id.bt_retrocede);
        btRetrocede.setOnClickListener(this);

        btAvanca = (Button) findViewById(R.id.bt_avanca);
        btAvanca.setOnClickListener(this);

        btUltimo = (Button) findViewById(R.id.bt_ultimo);
        btUltimo.setOnClickListener(this);

        btAtualiza = (Button) findViewById(R.id.bt_atualiza);
        btAtualiza.setOnClickListener(this);

        etNome = (EditText) findViewById(R.id.et_nome);
        etEndereco = (EditText) findViewById(R.id.et_endereco);
        etFone = (EditText) findViewById(R.id.et_fone);

        travaCampos();
    }

    public void liberaCampos() {
        etNome.setClickable(true);
        etNome.setFocusable(true);

        etFone.setClickable(true);
        etFone.setFocusable(true);

        etEndereco.setClickable(true);
        etEndereco.setFocusable(true);
    }

    public void travaCampos() {
        etNome.setClickable(false);
        etNome.setFocusable(false);

        etFone.setClickable(false);
        etFone.setFocusable(false);

        etEndereco.setClickable(false);
        etEndereco.setFocusable(false);
    }

    private void ocultaManutencao() {
        btPrimeiro.setVisibility(View.INVISIBLE);
        btRetrocede.setVisibility(View.INVISIBLE);
        btInsere.setVisibility(View.INVISIBLE);
        btAltera.setVisibility(View.INVISIBLE);
        btExclui.setVisibility(View.INVISIBLE);
        btAvanca.setVisibility(View.INVISIBLE);
        btUltimo.setVisibility(View.INVISIBLE);
        btAtualiza.setVisibility(View.INVISIBLE);

        btOk.setVisibility(View.VISIBLE);
        btCancelar.setVisibility(View.VISIBLE);
    }

    private void mostraManutencao() {
        btPrimeiro.setVisibility(View.VISIBLE);
        btRetrocede.setVisibility(View.VISIBLE);
        btInsere.setVisibility(View.VISIBLE);
        btAltera.setVisibility(View.VISIBLE);
        btExclui.setVisibility(View.VISIBLE);
        btAvanca.setVisibility(View.VISIBLE);
        btUltimo.setVisibility(View.VISIBLE);
        btAtualiza.setVisibility(View.VISIBLE);

        btOk.setVisibility(View.INVISIBLE);
        btCancelar.setVisibility(View.INVISIBLE);
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.bt_insere:
                liberaCampos();
                ocultaManutencao();

                break;
            case R.id.bt_ok:
                travaCampos();
                mostraManutencao();

                break;
            case R.id.bt_cancelar:
                travaCampos();
                mostraManutencao();

                break;
        }
    }
}