public void itemStateChanged(ItemEvent e) { int evento = e.getStateChange(); if (evento == ItemEvent.SELECTED) { String nivel = comboNivel.getSelectedItem().toString(); Fachada fachada = Fachada.getInstancia(); List<Aula> lista = fachada.cadastroAula().buscarNivel(nivel); tabela.montarTabela(lista); } }
public TelaManterAulas() { setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); setBounds(100, 100, 658, 442); contentPane = new JPanel(); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); setContentPane(contentPane); contentPane.setLayout(null); JPanel panel = new JPanel(); panel.setBackground(Color.WHITE); panel.setBounds(10, 11, 630, 389); contentPane.add(panel); panel.setLayout(null); JLabel lblListagemDeAulas = new JLabel("Manter de Aulas"); lblListagemDeAulas.setFont(new Font("Tahoma", Font.PLAIN, 25)); lblListagemDeAulas.setBounds(196, 11, 190, 50); panel.add(lblListagemDeAulas); JLabel lblNvel = new JLabel("N\u00EDvel:"); lblNvel.setBounds(35, 93, 46, 14); panel.add(lblNvel); comboNivel = new JComboBox<String>(); comboNivel.setBounds(74, 90, 80, 20); panel.add(comboNivel); carregarCombo(); comboNivel.addItemListener(this); JScrollPane scrollPane = new JScrollPane(); scrollPane.setBounds(35, 138, 555, 187); panel.add(scrollPane); tabela = new Tabela(new String[] {"Descrição", "Nível", "Material"}); tabela.getColumnModel().getColumn(0).setResizable(false); tabela.getColumnModel().getColumn(0).setPreferredWidth(300); tabela.getColumnModel().getColumn(1).setResizable(false); tabela.getColumnModel().getColumn(1).setPreferredWidth(50); tabela.getColumnModel().getColumn(2).setResizable(false); tabela.getColumnModel().getColumn(2).setPreferredWidth(300); tabela.montarTabela(Fachada.getInstancia().cadastroAula().listarAulas()); scrollPane.setViewportView(tabela); btnVisualizar = new JButton("Visualizar"); btnVisualizar.setBounds(294, 336, 98, 23); panel.add(btnVisualizar); btnRemover = new JButton("Remover"); btnRemover.addActionListener(this); btnRemover.setBounds(402, 336, 89, 23); panel.add(btnRemover); btnEditar = new JButton("Editar"); btnEditar.setBounds(501, 336, 89, 23); panel.add(btnEditar); }
private void remover() { int linha = tabela.getSelectedRow(); if (linha != -1) { Object[] options = {"OK", "Cancelar"}; int resposta = JOptionPane.showOptionDialog( this, "Tem certeza que deseja remover?", "Alerta !!", JOptionPane.DEFAULT_OPTION, JOptionPane.WARNING_MESSAGE, null, options, options[0]); if (resposta == 0) { Aula aula = (Aula) tabela.getModel().getValueAt(linha, 0); Fachada fachada = Fachada.getInstancia(); fachada.cadastroAula().removerAula(aula); tabela.montarTabela(Fachada.getInstancia().cadastroAula().listarAulas()); } } }