PainelCadastroUf

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package br.unip.sicc.trabalho.view;
import br.unip.sicc.trabalho.app.Aplicativo;
import br.unip.sicc.trabalho.dao.DaoException;
import br.unip.sicc.trabalho.model.GerenciadorUf;
import br.unip.sicc.trabalho.model.Uf;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.text.ParseException;
import java.util.Date;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JSpinner;
import javax.swing.JTextField;
import javax.swing.SpinnerModel;
import javax.swing.SpinnerNumberModel;
public class PainelCadastroUf extends JPanel {
private JLabel lblId;
private JTextField txtId;
private JLabel lblNomeOficial;
private JTextField txtNomeOficial;
private JLabel lblPopulacao;
private JSpinner spiQtdeItens;
private JButton butOk;
private JButton butCancelar;
private Uf uf;
public PainelCadastroUf() {
 BorderLayout layout = new BorderLayout();
 this.setLayout(layout);
 this.add(criaPainelDeCadastro(), BorderLayout.CENTER);
 this.add(criaPainelDeBotoes(), BorderLayout.SOUTH);
 }
 
private JPanel criaPainelDeCadastro() {
 JPanel painel = new JPanel();
 GridLayout layout = new GridLayout (7,2,5,5);
 painel.setLayout(layout);
 
 lblId = new JLabel ("Id:");
 txtId = new JTextField();
 txtId.setEditable(false);
 lblNomeOficial = new JLabel("NomeOficial:");
 txtNomeOficial = new JTextField();
 lblPopulacao = new JLabel("Populacao:");
 SpinnerModel model = new SpinnerNumberModel(0, 0, 100, 1);
 spiPopulacao = new JSpinner(model);
 
 painel.add(lblId);
 painel.add(txtId);
 painel.add(lblNomeOficial);
 painel.add(txtNomeOficial);
 painel.add(lblPopulacao);
 painel.add(spiPopulacao);
 
 return painel; 
 }
 private JPanel criaPainelDeBotoes() {
 JPanel painel = new JPanel (new FlowLayout (FlowLayout.RIGHT, 10, 10));
 butCancelar = new JButton ("Cancelar");
 butCancelar.setMnemonic(KeyEvent.VK_C);
 butCancelar.addActionListener (new ActionListener() {
 
 public void actionPerformed(ActionEvent e) {
 Aplicativo.getInstance().setUfNaTelaDeCadastro(uf); 
 }
 });
 butOk = new JButton("Ok");
 butOk.setMnemonic(KeyEvent.VK_O);
 butOk.addActionListener(new ActionListener() {
 
 public void actionPerformed(ActionEvent e) {
 Uf uf = getUfDaTela();
 try {
 GerenciadorUf.getInstance().salvar(uf);
 Aplicativo.getInstance().atualizaTabela();
 } catch (DaoException ex) {
 JOptionPane.showMessageDialog(
 null, "Não foi possível salvar!",
 "Atenção", JOptionPane.ERROR_MESSAGE);
 }
 }
 });
 painel.add(butCancelar);
 painel.add(butOk);
 return painel;
 }
 public Uf getUfDaTela() {
 int idInt = Integer.parseInt(txtId.getText());
 uf.setId(idInt);
 uf.setNomeOficial(txtNomeOficial.getText());
 Number itens = (Number) spiPopulacao.getValue();
 pedido.setPopulacao(itens.intValue());
 return uf;
 }
 public void setUfNaTela(Uf uf) {
 this.uf = uf;
 String idStr = String.valueOf(uf.getId());
 txtId.setText(idStr);
 txtUf.setText(uf.getNomeOficial());
 spiPopulacao.setValue(uf.getPopulacao());
 }
}