feat(examen 09-05-2025): primer apartado resuelto

src/tutorialJava/capitulo9_AWT_SWING/v06_EjemplosJTable/v02_TablaConDefaultTableModel.java

@@ -62,17 +62,27 @@ public class v02_TablaConDefaultTableModel extends JPanel {
 	 */
 	private DefaultTableModel getDefaultTableModelNoEditable () {
 		DefaultTableModel dtm = new DefaultTableModel(datosEnTabla, titulosEnTabla) {
-			
-			/**
-			 * La sobreescritura de este m<>todo nos permite controlar qu<71> celdas queremos que sean editables
-			 */
+
 			@Override
 			public boolean isCellEditable(int row, int column) {
-				if (column != 1) {
-					return false;
-				}
-				return true;
+				if (column == 1)
+					return true;
+				return false;
 			}
+			
+			
+			
+			
+//			/**
+//			 * La sobreescritura de este m<>todo nos permite controlar qu<71> celdas queremos que sean editables
+//			 */
+//			@Override
+//			public boolean isCellEditable(int row, int column) {
+//				if (column != 1) {
+//					return false;
+//				}
+//				return true;
+//			}
 		};
 		return dtm;
 	}

src/tutorialJava/examenes/examen20250509/controlador/ConnectionManager.java

@@ -0,0 +1,22 @@
+package tutorialJava.examenes.examen20250509.controlador;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+
+public class ConnectionManager {
+
+	private static Connection conn = null;
+	
+	
+	public static Connection getConnection() throws Exception {
+		if (conn == null) {
+			Class.forName("com.mysql.cj.jdbc.Driver");
+		   
+			conn = 
+					(Connection) DriverManager.getConnection (
+					"jdbc:mysql://localhost:3306/conciertos_grupos_salas?serverTimezone=Europe/Madrid",
+					"root", "1234");
+		}
+		return conn;
+	}
+}

src/tutorialJava/examenes/examen20250509/controlador/ControladorConcierto.java

@@ -0,0 +1,163 @@
+package tutorialJava.examenes.examen20250509.controlador;
+
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.Statement;
+import java.text.SimpleDateFormat;
+
+import tutorialJava.examenes.examen20250509.modelo.Concierto;
+
+public class ControladorConcierto {
+	
+	public static Concierto getPrimero () {
+		Concierto c = getConciertoDesdeSql("select * from concierto "
+				+ "order by id asc limit 1");
+		return c;
+	}
+	
+	public static Concierto getSiguiente (int idActual) {
+		Concierto c = getConciertoDesdeSql("select * from concierto "
+				+ "where id > " + idActual + " order by id asc limit 1");
+		return c;
+	}
+	
+	public static Concierto getUltimo () {
+		Concierto c = getConciertoDesdeSql("select * from concierto "
+				+ "order by id desc limit 1");
+		return c;
+	}
+	
+	public static Concierto getAnterior (int idActual) {
+		Concierto c = getConciertoDesdeSql("select * from concierto "
+				+ "where id < " + idActual + " order by id desc limit 1");
+		return c;
+	}
+	
+	
+	public static Concierto getConciertoDesdeSql (String sql) {
+		Concierto c = null;
+		try {
+			Connection conn = ConnectionManager.getConnection();
+			Statement s = conn.createStatement();
+			ResultSet rs = s.executeQuery(sql);
+			if (rs.next()) {
+				c = new Concierto();
+				c.setId(rs.getInt("id"));
+				c.setFecha(rs.getDate("fecha"));
+				c.setPrecio(rs.getFloat("precio"));
+				c.setFestival(rs.getBoolean("es_festival"));
+				c.setIdGrupo(rs.getInt("grupo_id"));
+				c.setIdSala(rs.getInt("sala_id"));
+				return c;
+			}
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		return c;
+	}
+
+	/**
+	 * 
+	 * @param c
+	 * @return
+	 */
+	public static int guardar (Concierto c) {
+		if (c.getId() > 0) {
+			return modificar(c);
+		}
+		else if (c.getId() == 0){ // Inserción del dato
+			return insertar(c);
+		}
+		return 0;
+	}
+	
+	/**
+	 * 
+	 * @param c
+	 */
+	public static int modificar(Concierto c) {
+		int registroAfectados = 0;
+		try {
+			Connection conn = ConnectionManager.getConnection();
+			PreparedStatement ps = conn.prepareStatement(
+					"update concierto set fecha= ? "
+					+ ", precio= ?, es_festival = ?, "
+					+ "sala_id = ?, grupo_id = ? "
+					+ "where id = ?");
+			long millisFecha = c.getFecha().getTime();
+			ps.setDate(1, new java.sql.Date(millisFecha));
+			ps.setFloat(2, c.getPrecio());
+			ps.setBoolean(3, c.isFestival());
+			ps.setInt(4, c.getIdSala());
+			ps.setInt(5, c.getIdGrupo());
+			ps.setInt(6, c.getId());
+			registroAfectados = ps.executeUpdate();
+			
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		return registroAfectados;
+	}
+
+	/**
+	 * 
+	 * @param c
+	 * @return
+	 */
+	public static int insertar(Concierto c) {
+		int registroAfectados = 0;
+		try {
+			Connection conn = ConnectionManager.getConnection();
+			PreparedStatement ps = conn.prepareStatement(
+					"insert into concierto "
+					+ "(id, fecha, precio, es_festival, sala_id,"
+					+ "grupo_id) values (?, ?, ?, ?, ?, ?)");
+			long millisFecha = c.getFecha().getTime();
+			ps.setInt(1, c.getId());
+			ps.setDate(2, new java.sql.Date(millisFecha));
+			ps.setFloat(3, c.getPrecio());
+			ps.setBoolean(4, c.isFestival());
+			ps.setInt(5, c.getIdSala());
+			ps.setInt(6, c.getIdGrupo());
+			registroAfectados = ps.executeUpdate();
+			
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		return registroAfectados;
+	}
+
+	
+	 /* 
+	 * @param c
+	 * @return
+	 */
+	public static int eliminar(int idConcierto) {
+		int registroAfectados = 0;
+		try {
+			Connection conn = ConnectionManager.getConnection();
+			PreparedStatement ps = conn.prepareStatement(
+					"delete from concierto where id = ?");
+			ps.setInt(1, idConcierto);
+			registroAfectados = ps.executeUpdate();
+			
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		return registroAfectados;
+	}
+
+}
+
+
+
+
+
+
+
+
+
+
+

src/tutorialJava/examenes/examen20250509/controlador/ControladorGrupo.java

@@ -0,0 +1,34 @@
+package tutorialJava.examenes.examen20250509.controlador;
+
+import java.sql.Connection;
+import java.sql.ResultSet;
+import java.sql.Statement;
+import java.util.ArrayList;
+import java.util.List;
+
+import tutorialJava.examenes.examen20250509.modelo.Grupo;
+
+public class ControladorGrupo {
+	
+	public static List<Grupo> findAll() {
+		List<Grupo> lista = new ArrayList<Grupo>();
+		
+		try {
+			Connection conn = ConnectionManager.getConnection();
+			Statement s = conn.createStatement();
+			ResultSet rs = s.executeQuery("select * from grupo");
+			
+			while (rs.next()) {
+				Grupo g = new Grupo();
+				g.setId(rs.getInt("id"));
+				g.setNombre(rs.getString("nombre"));
+				g.setEstilo(rs.getString("estilo"));
+				lista.add(g);
+			}
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		
+		return lista;
+	}
+}

src/tutorialJava/examenes/examen20250509/controlador/ControladorSala.java

@@ -0,0 +1,37 @@
+package tutorialJava.examenes.examen20250509.controlador;
+
+import java.sql.Connection;
+import java.sql.ResultSet;
+import java.sql.Statement;
+import java.util.ArrayList;
+import java.util.List;
+
+import tutorialJava.examenes.examen20250509.modelo.Sala;
+
+
+
+public class ControladorSala {
+	
+	public static List<Sala> findAll() {
+		List<Sala> lista = new ArrayList<Sala>();
+		
+		try {
+			Connection conn = ConnectionManager.getConnection();
+			Statement s = conn.createStatement();
+			ResultSet rs = s.executeQuery("select * from sala");
+			
+			while (rs.next()) {
+				Sala sala = new Sala();
+				sala.setId(rs.getInt("id"));
+				sala.setNombre(rs.getString("nombre"));
+				sala.setCiudad(rs.getString("ciudad"));
+				sala.setAforo(rs.getInt("aforo"));
+				lista.add(sala);
+			}
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		
+		return lista;
+	}
+}

src/tutorialJava/examenes/examen20250509/modelo/Concierto.java

@@ -0,0 +1,72 @@
+package tutorialJava.examenes.examen20250509.modelo;
+
+import java.util.Date;
+
+public class Concierto {
+	private int id;
+	private Date fecha;
+	private float precio;
+	private boolean festival;
+	private int idSala;
+	private int idGrupo;
+	
+	public Concierto() {
+		super();
+	}
+
+	public int getId() {
+		return id;
+	}
+
+	public void setId(int id) {
+		this.id = id;
+	}
+
+	public Date getFecha() {
+		return fecha;
+	}
+
+	public void setFecha(Date fecha) {
+		this.fecha = fecha;
+	}
+
+	public float getPrecio() {
+		return precio;
+	}
+
+	public void setPrecio(float precio) {
+		this.precio = precio;
+	}
+
+	public boolean isFestival() {
+		return festival;
+	}
+
+	public void setFestival(boolean festival) {
+		this.festival = festival;
+	}
+
+	public int getIdSala() {
+		return idSala;
+	}
+
+	public void setIdSala(int idSala) {
+		this.idSala = idSala;
+	}
+
+	public int getIdGrupo() {
+		return idGrupo;
+	}
+
+	public void setIdGrupo(int idGrupo) {
+		this.idGrupo = idGrupo;
+	}
+
+	@Override
+	public String toString() {
+		return "Concierto [id=" + id + ", fecha=" + fecha + ", precio=" + precio + ", esFestival=" + festival
+				+ ", idSala=" + idSala + ", idGrupo=" + idGrupo + "]";
+	}
+	
+	
+}

src/tutorialJava/examenes/examen20250509/modelo/Grupo.java

@@ -0,0 +1,42 @@
+package tutorialJava.examenes.examen20250509.modelo;
+
+public class Grupo {
+	private int id;
+	private String nombre;
+	private String estilo;
+	
+	public Grupo() {
+		super();
+	}
+
+	public int getId() {
+		return id;
+	}
+
+	public void setId(int id) {
+		this.id = id;
+	}
+
+	public String getNombre() {
+		return nombre;
+	}
+
+	public void setNombre(String nombre) {
+		this.nombre = nombre;
+	}
+
+	public String getEstilo() {
+		return estilo;
+	}
+
+	public void setEstilo(String estilo) {
+		this.estilo = estilo;
+	}
+
+	@Override
+	public String toString() {
+		return nombre;
+	}
+	
+	
+}

src/tutorialJava/examenes/examen20250509/modelo/Sala.java

@@ -0,0 +1,51 @@
+package tutorialJava.examenes.examen20250509.modelo;
+
+public class Sala {
+	private int id;
+	private String nombre;
+	private String ciudad;
+	private int aforo;
+	
+	public Sala() {
+		super();
+	}
+
+	public int getId() {
+		return id;
+	}
+
+	public void setId(int id) {
+		this.id = id;
+	}
+
+	public String getNombre() {
+		return nombre;
+	}
+
+	public void setNombre(String nombre) {
+		this.nombre = nombre;
+	}
+
+	public String getCiudad() {
+		return ciudad;
+	}
+
+	public void setCiudad(String ciudad) {
+		this.ciudad = ciudad;
+	}
+
+	public int getAforo() {
+		return aforo;
+	}
+
+	public void setAforo(int aforo) {
+		this.aforo = aforo;
+	}
+
+	@Override
+	public String toString() {
+		return nombre;
+	}
+	
+	
+}

src/tutorialJava/examenes/examen20250509/vista/PanelGestionConciertos.java

@@ -0,0 +1,396 @@
+package tutorialJava.examenes.examen20250509.vista;
+
+import javax.swing.JPanel;
+import java.awt.BorderLayout;
+import javax.swing.JToolBar;
+import javax.swing.JButton;
+import javax.swing.ImageIcon;
+import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+
+import java.awt.GridBagLayout;
+import java.awt.GridBagConstraints;
+import java.awt.Insets;
+import javax.swing.JCheckBox;
+import javax.swing.JTextField;
+import javax.swing.JComboBox;
+import java.awt.event.ActionListener;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.List;
+import java.awt.event.ActionEvent;
+import tutorialJava.examenes.examen20250509.modelo.Concierto;
+import tutorialJava.examenes.examen20250509.modelo.Grupo;
+import tutorialJava.examenes.examen20250509.modelo.Sala;
+import tutorialJava.examenes.examen20250509.controlador.ControladorConcierto;
+import tutorialJava.examenes.examen20250509.controlador.ControladorGrupo;
+import tutorialJava.examenes.examen20250509.controlador.ControladorSala;
+
+public class PanelGestionConciertos extends JPanel {
+
+	private static final long serialVersionUID = 1L;
+	private JTextField jtfId;
+	private JTextField jtfFecha;
+	private JTextField jtfPrecio;
+	JComboBox jcbGrupo;
+	JComboBox jcbSala;
+	JCheckBox checkEsFestival;
+	SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yyyy");
+	JLabel lblErrorEnPrecio;
+
+
+	/**
+	 * Create the panel.
+	 */
+	public PanelGestionConciertos() {
+		setLayout(new BorderLayout(0, 0));
+		
+		JToolBar toolBar = new JToolBar();
+		add(toolBar, BorderLayout.NORTH);
+		
+		JButton btnPrimero = new JButton("");
+		btnPrimero.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e) {
+				Concierto c = ControladorConcierto.getPrimero();
+				mostrarConciertoEnPantalla(c);
+			}
+		});
+		btnPrimero.setIcon(new ImageIcon(PanelGestionConciertos.class.getResource("/tutorialJava/capitulo9_AWT_SWING/res/gotostart.png")));
+		toolBar.add(btnPrimero);
+		
+		JButton btnAnterior = new JButton("");
+		btnAnterior.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e) {
+				int idActual = Integer.parseInt(jtfId.getText());
+				mostrarConciertoEnPantalla(
+						ControladorConcierto.getAnterior(idActual));
+			}
+		});
+		btnAnterior.setIcon(new ImageIcon(PanelGestionConciertos.class.getResource("/tutorialJava/capitulo9_AWT_SWING/res/previous.png")));
+		toolBar.add(btnAnterior);
+		
+		JButton btnSiguiente = new JButton("");
+		btnSiguiente.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e) {
+				int idActual = Integer.parseInt(jtfId.getText());
+				mostrarConciertoEnPantalla(
+						ControladorConcierto.getSiguiente(idActual));
+			}
+		});
+		btnSiguiente.setIcon(new ImageIcon(PanelGestionConciertos.class.getResource("/tutorialJava/capitulo9_AWT_SWING/res/next.png")));
+		toolBar.add(btnSiguiente);
+		
+		JButton btnUltimo = new JButton("");
+		btnUltimo.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e) {
+				mostrarConciertoEnPantalla(ControladorConcierto.getUltimo());
+			}
+		});
+		btnUltimo.setIcon(new ImageIcon(PanelGestionConciertos.class.getResource("/tutorialJava/capitulo9_AWT_SWING/res/gotoend.png")));
+		toolBar.add(btnUltimo);
+		
+		JButton btnNuevo = new JButton("");
+		btnNuevo.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e) {
+				nuevo();
+			}
+		});
+		btnNuevo.setIcon(new ImageIcon(PanelGestionConciertos.class.getResource("/tutorialJava/capitulo9_AWT_SWING/res/nuevo.png")));
+		toolBar.add(btnNuevo);
+		
+		JButton btnGuardar = new JButton("");
+		btnGuardar.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e) {
+				guardar();
+			}
+		});
+		btnGuardar.setIcon(new ImageIcon(PanelGestionConciertos.class.getResource("/tutorialJava/capitulo9_AWT_SWING/res/guardar.png")));
+		toolBar.add(btnGuardar);
+		
+		JButton btnEliminar = new JButton("");
+		btnEliminar.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e) {
+				eliminar();
+			}
+		});
+		btnEliminar.setIcon(new ImageIcon(PanelGestionConciertos.class.getResource("/tutorialJava/capitulo9_AWT_SWING/res/eliminar.png")));
+		toolBar.add(btnEliminar);
+		
+		JPanel panel = new JPanel();
+		add(panel, BorderLayout.CENTER);
+		GridBagLayout gbl_panel = new GridBagLayout();
+		gbl_panel.columnWidths = new int[]{0, 0, 0};
+		gbl_panel.rowHeights = new int[]{0, 0, 0, 0, 0, 0, 0, 0};
+		gbl_panel.columnWeights = new double[]{0.0, 1.0, Double.MIN_VALUE};
+		gbl_panel.rowWeights = new double[]{0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, Double.MIN_VALUE};
+		panel.setLayout(gbl_panel);
+		
+		JLabel lblNewLabel = new JLabel("Id:");
+		GridBagConstraints gbc_lblNewLabel = new GridBagConstraints();
+		gbc_lblNewLabel.anchor = GridBagConstraints.EAST;
+		gbc_lblNewLabel.insets = new Insets(0, 0, 5, 5);
+		gbc_lblNewLabel.gridx = 0;
+		gbc_lblNewLabel.gridy = 0;
+		panel.add(lblNewLabel, gbc_lblNewLabel);
+		
+		jtfId = new JTextField();
+		jtfId.setEnabled(false);
+		GridBagConstraints gbc_jtfId = new GridBagConstraints();
+		gbc_jtfId.insets = new Insets(0, 0, 5, 0);
+		gbc_jtfId.fill = GridBagConstraints.HORIZONTAL;
+		gbc_jtfId.gridx = 1;
+		gbc_jtfId.gridy = 0;
+		panel.add(jtfId, gbc_jtfId);
+		jtfId.setColumns(10);
+		
+		JLabel lblNewLabel_1 = new JLabel("Fecha:");
+		GridBagConstraints gbc_lblNewLabel_1 = new GridBagConstraints();
+		gbc_lblNewLabel_1.anchor = GridBagConstraints.EAST;
+		gbc_lblNewLabel_1.insets = new Insets(0, 0, 5, 5);
+		gbc_lblNewLabel_1.gridx = 0;
+		gbc_lblNewLabel_1.gridy = 1;
+		panel.add(lblNewLabel_1, gbc_lblNewLabel_1);
+		
+		jtfFecha = new JTextField();
+		GridBagConstraints gbc_jtfFecha = new GridBagConstraints();
+		gbc_jtfFecha.insets = new Insets(0, 0, 5, 0);
+		gbc_jtfFecha.fill = GridBagConstraints.HORIZONTAL;
+		gbc_jtfFecha.gridx = 1;
+		gbc_jtfFecha.gridy = 1;
+		panel.add(jtfFecha, gbc_jtfFecha);
+		jtfFecha.setColumns(10);
+		
+		JLabel lblNewLabel_2 = new JLabel("Precio");
+		GridBagConstraints gbc_lblNewLabel_2 = new GridBagConstraints();
+		gbc_lblNewLabel_2.anchor = GridBagConstraints.EAST;
+		gbc_lblNewLabel_2.insets = new Insets(0, 0, 5, 5);
+		gbc_lblNewLabel_2.gridx = 0;
+		gbc_lblNewLabel_2.gridy = 2;
+		panel.add(lblNewLabel_2, gbc_lblNewLabel_2);
+		
+		jtfPrecio = new JTextField();
+		GridBagConstraints gbc_jtfPrecio = new GridBagConstraints();
+		gbc_jtfPrecio.insets = new Insets(0, 0, 5, 0);
+		gbc_jtfPrecio.fill = GridBagConstraints.HORIZONTAL;
+		gbc_jtfPrecio.gridx = 1;
+		gbc_jtfPrecio.gridy = 2;
+		panel.add(jtfPrecio, gbc_jtfPrecio);
+		jtfPrecio.setColumns(10);
+		
+		lblErrorEnPrecio = new JLabel("");
+		GridBagConstraints gbc_lblErrorEnPrecio = new GridBagConstraints();
+		gbc_lblErrorEnPrecio.anchor = GridBagConstraints.WEST;
+		gbc_lblErrorEnPrecio.insets = new Insets(0, 0, 5, 0);
+		gbc_lblErrorEnPrecio.gridx = 1;
+		gbc_lblErrorEnPrecio.gridy = 3;
+		panel.add(lblErrorEnPrecio, gbc_lblErrorEnPrecio);
+		
+		checkEsFestival = new JCheckBox("New check box");
+		GridBagConstraints gbc_checkEsFestival = new GridBagConstraints();
+		gbc_checkEsFestival.anchor = GridBagConstraints.WEST;
+		gbc_checkEsFestival.insets = new Insets(0, 0, 5, 0);
+		gbc_checkEsFestival.gridx = 1;
+		gbc_checkEsFestival.gridy = 4;
+		panel.add(checkEsFestival, gbc_checkEsFestival);
+		checkEsFestival.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				compruebaFestival();
+			}
+		});
+		
+		JLabel lblNewLabel_3 = new JLabel("Grupo:");
+		GridBagConstraints gbc_lblNewLabel_3 = new GridBagConstraints();
+		gbc_lblNewLabel_3.anchor = GridBagConstraints.EAST;
+		gbc_lblNewLabel_3.insets = new Insets(0, 0, 5, 5);
+		gbc_lblNewLabel_3.gridx = 0;
+		gbc_lblNewLabel_3.gridy = 5;
+		panel.add(lblNewLabel_3, gbc_lblNewLabel_3);
+		
+		jcbGrupo = new JComboBox();
+		GridBagConstraints gbc_jcbGrupo = new GridBagConstraints();
+		gbc_jcbGrupo.insets = new Insets(0, 0, 5, 0);
+		gbc_jcbGrupo.fill = GridBagConstraints.HORIZONTAL;
+		gbc_jcbGrupo.gridx = 1;
+		gbc_jcbGrupo.gridy = 5;
+		panel.add(jcbGrupo, gbc_jcbGrupo);
+		
+		JLabel lblNewLabel_4 = new JLabel("Sala:");
+		GridBagConstraints gbc_lblNewLabel_4 = new GridBagConstraints();
+		gbc_lblNewLabel_4.anchor = GridBagConstraints.EAST;
+		gbc_lblNewLabel_4.insets = new Insets(0, 0, 0, 5);
+		gbc_lblNewLabel_4.gridx = 0;
+		gbc_lblNewLabel_4.gridy = 6;
+		panel.add(lblNewLabel_4, gbc_lblNewLabel_4);
+		
+		jcbSala = new JComboBox();
+		GridBagConstraints gbc_jcbSala = new GridBagConstraints();
+		gbc_jcbSala.fill = GridBagConstraints.HORIZONTAL;
+		gbc_jcbSala.gridx = 1;
+		gbc_jcbSala.gridy = 6;
+		panel.add(jcbSala, gbc_jcbSala);
+
+		cargaTodosLosGrupos();
+		cargaTodasLasSalas();
+		
+		mostrarConciertoEnPantalla(ControladorConcierto.getPrimero());
+	}
+	
+	/**
+	 * 
+	 */
+	private void compruebaFestival () {
+		if (checkEsFestival.isSelected()) {
+			checkEsFestival.setText("Es festival");
+		}
+		else {
+			checkEsFestival.setText("No es festival");
+		}
+	}
+	
+	/**
+	 * 
+	 */
+	private void cargaTodosLosGrupos() {
+		List<Grupo> grupos = ControladorGrupo.findAll();
+		for (Grupo g : grupos) {
+			jcbGrupo.addItem(g);
+		}
+	}
+	
+	/**
+	 * 
+	 */
+	private void cargaTodasLasSalas() {
+		List<Sala> salas = ControladorSala.findAll();
+		for (Sala s : salas) {
+			jcbSala.addItem(s);
+		}
+	}
+	
+	/**
+	 * 
+	 * @param c
+	 */
+	private void mostrarConciertoEnPantalla(Concierto c) {
+		if (c != null) {
+			jtfId.setText("" + c.getId());
+			jtfFecha.setText(sdf.format(c.getFecha()));
+			jtfPrecio.setText("" + c.getPrecio());
+			
+			checkEsFestival.setSelected(c.isFestival());		
+//			if (c.isFestival()) {
+//				checkEsFestival.setSelected(true);
+//			}
+//			else {
+//				checkEsFestival.setSelected(false);
+//			}
+			compruebaFestival();
+			
+			for (int i = 0; i < jcbGrupo.getItemCount(); i++) {
+				Grupo grupoEnJCombo = (Grupo) jcbGrupo.getItemAt(i);
+				if (grupoEnJCombo.getId() == c.getIdGrupo()) {
+					jcbGrupo.setSelectedIndex(i);
+				}
+			}
+			
+			for (int i = 0; i < jcbSala.getItemCount(); i++) {
+				Sala salaEnJCombo = (Sala) jcbSala.getItemAt(i);
+				if (salaEnJCombo.getId() == c.getIdSala()) {
+					jcbSala.setSelectedIndex(i);
+				}
+			}
+		}
+		
+	}
+	
+	/**
+	 * 
+	 */
+	private void guardar() {
+		Concierto c = new Concierto();
+		c.setId(Integer.parseInt(jtfId.getText()));
+		try {
+			c.setFecha(sdf.parse(jtfFecha.getText()));
+		} catch (ParseException e) {
+			e.printStackTrace();
+			JOptionPane.showMessageDialog(null, "El formato de la"
+					+ " fecha debe ser dd/MM/yyyy");
+			return;
+		}
+		
+		float precioConcierto = Float.parseFloat(jtfPrecio.getText());
+		if (precioConcierto < 0 || precioConcierto >= 1000) {
+			lblErrorEnPrecio.setText("Precio debe estar entre 0 y 999.99");
+			return;
+		}
+		else {
+			lblErrorEnPrecio.setText("");
+		}
+		c.setPrecio(precioConcierto);
+		
+		c.setFestival(checkEsFestival.isSelected());
+		
+		Grupo g = (Grupo) jcbGrupo.getSelectedItem();
+		c.setIdGrupo(g.getId());
+		
+		Sala s = (Sala) jcbSala.getSelectedItem();
+		c.setIdSala(s.getId());
+		
+		int registrosAfectados = ControladorConcierto.guardar(c);
+		if (registrosAfectados == 0) {
+			JOptionPane.showMessageDialog(null, "Error al guardar");
+		}
+		else if (registrosAfectados == 1) {
+			if (c.getId() == 0) { // Se trata de una inserción
+				mostrarConciertoEnPantalla(ControladorConcierto.getUltimo());
+			}
+			JOptionPane.showMessageDialog(null, "Guardado correctamente");
+		}
+	}
+
+	/**
+	 * 
+	 */
+	private void nuevo() {
+		jtfId.setText("0");
+		jtfFecha.setText(sdf.format(new Date()));
+		jtfPrecio.setText("0");
+		checkEsFestival.setSelected(false);
+		jcbGrupo.setSelectedIndex(0);
+		jcbSala.setSelectedIndex(0);
+	}
+	
+	/**
+	 * 
+	 */
+	private void eliminar() {
+		String [] opciones ={"Sí","No"};
+		int eleccion = JOptionPane.showOptionDialog(null,
+				"¿Desea eliminar el concierto?","Eliminar concierto",
+		JOptionPane.YES_NO_OPTION,
+		JOptionPane.QUESTION_MESSAGE, null, opciones, "Sí");
+		if (eleccion != JOptionPane.YES_OPTION) {
+			return;
+		}
+
+		
+		int idConcierto = Integer.parseInt(jtfId.getText());
+		int registrosAfectados = ControladorConcierto.eliminar(idConcierto);
+		if (registrosAfectados == 0) {
+			JOptionPane.showMessageDialog(null, "Error al eliminar");
+		}
+		else if (registrosAfectados == 1) {
+			JOptionPane.showMessageDialog(null, "Eliminado correctamente");
+		}
+	}
+}
+
+
+
+
+
+
+
+

src/tutorialJava/examenes/examen20250509/vista/VentanaPrincipal.java

@@ -0,0 +1,65 @@
+package tutorialJava.examenes.examen20250509.vista;
+
+import java.awt.EventQueue;
+
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.border.EmptyBorder;
+import java.awt.BorderLayout;
+import javax.swing.JLabel;
+import java.awt.Font;
+import javax.swing.SwingConstants;
+import javax.swing.JTabbedPane;
+
+public class VentanaPrincipal extends JFrame {
+
+	private static final long serialVersionUID = 1L;
+	private JPanel contentPane;
+
+	/**
+	 * Launch the application.
+	 */
+	public static void main(String[] args) {
+		EventQueue.invokeLater(new Runnable() {
+			public void run() {
+				try {
+					VentanaPrincipal frame = new VentanaPrincipal();
+					frame.setVisible(true);
+				} catch (Exception e) {
+					e.printStackTrace();
+				}
+			}
+		});
+	}
+
+	/**
+	 * Create the frame.
+	 */
+	public VentanaPrincipal() {
+		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		setBounds(100, 100, 450, 300);
+		contentPane = new JPanel();
+		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
+
+		setContentPane(contentPane);
+		contentPane.setLayout(new BorderLayout(0, 0));
+		
+		JLabel lblNewLabel = new JLabel("Gestión de conciertos");
+		lblNewLabel.setHorizontalAlignment(SwingConstants.CENTER);
+		lblNewLabel.setFont(new Font("Tahoma", Font.BOLD, 16));
+		contentPane.add(lblNewLabel, BorderLayout.NORTH);
+		
+		JTabbedPane tabbedPane = new JTabbedPane(JTabbedPane.TOP);
+		contentPane.add(tabbedPane, BorderLayout.CENTER);
+		
+		PanelGestionConciertos panel1 = new PanelGestionConciertos();
+		tabbedPane.addTab("New tab", null, panel1, null);
+		
+		JPanel panel2 = new JPanel();
+		tabbedPane.addTab("New tab", null, panel2, null);
+		
+		JPanel panel3 = new JPanel();
+		tabbedPane.addTab("New tab", null, panel3, null);
+	}
+
+}