Obtención eventos en ComboBox, pase eventos a menuController,

cierre de la conexión BD al cerrar ventana.

ProyectoVentaBoletos/src/main/java/com/cip/proyectoventaboletos/ProyectoVentaBoletos.java

@@ -17,7 +17,5 @@ public class ProyectoVentaBoletos {
         
         // Iniciar interfaz principal
         Menu menu = new Menu();
-        // Iniciar controlador menu
-        // ...
     }
 }

ProyectoVentaBoletos/src/main/java/controller/ConexionSingleton.java

@@ -20,12 +20,12 @@ public class ConexionSingleton {
                 Class.forName("com.mysql.cj.jdbc.Driver");
                 CONEXION = DriverManager.getConnection(URL, USERNAME, PASSWORD);
             } catch(ClassNotFoundException e) {
-                System.out.println("ConexionSingleton: error Driver no encontrado. " + e.getMessage());
+                System.out.println("ConexionSingleton.getInstance(): error Driver no encontrado. " + e.getMessage());
             } catch(SQLException e) {
-                System.out.println("ConexionSingleton: error no se pudo establecer la conexión. " + e.getMessage());
+                System.out.println("ConexionSingleton.getInstance(): error no se pudo establecer la conexión. " + e.getMessage());
             }
         }
-        System.out.println("ConexionSingleton: conexión exitosa.");
+        System.out.println("ConexionSingleton.getInstance(): conexión exitosa.");
         return CONEXION;
     }
     
@@ -34,9 +34,9 @@ public class ConexionSingleton {
 			try {
 				CONEXION.close();
 				CONEXION = null;
-				System.out.println("ConexionSingleton: conexión cerrada.");
+				System.out.println("ConexionSingleton.closeConnection(): conexión cerrada.");
 			} catch (SQLException e) {
-				System.out.println("ConexionSingleton: error al cerrar la conexión: " + e.getMessage());
+				System.out.println("ConexionSingleton.closeConnection(): error al cerrar la conexión: " + e.getMessage());
 			}
 		}
 	}

ProyectoVentaBoletos/src/main/java/controller/MenuController.java

@@ -1,11 +1,60 @@
 package controller;
 
+import java.awt.BorderLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import model.Evento;
+import model.ModeloSQL;
 import view.Menu;
+import view.MenuSala;
 
-public class MenuController {
+public class MenuController extends WindowAdapter implements ActionListener {
     private Menu menu;
+    private ModeloSQL modeloSQL;
     
     public MenuController(Menu menu){
         this.menu = menu;
+        this.modeloSQL = new ModeloSQL();
+        obtenerEventosDefaultComboBoxMoldel();
+    }
+    
+    public void actionPerformed(ActionEvent e){
+        Object o = e.getSource();
+        
+        // Si se presiona el boton de visualizar
+        if(o.equals(menu.jButtonVisualizar)){
+            System.out.println("controller.MenuController.actionPerformed(): jButtonVisualizar");
+            MenuSala menuSala = new MenuSala();
+            menu.jPanelMenuSala.removeAll(); // Limpiar panel
+            menu.jPanelMenuSala.add(menuSala, BorderLayout.CENTER); // Agrega el nuevo JPanel
+            menu.jPanelMenuSala.revalidate();  // Reorganiza los componentes
+            menu. jPanelMenuSala.repaint();     // Redibuja la interfaz
+        }
+    }
+    
+    @Override
+    public void windowClosing(WindowEvent e) {
+        System.out.println("controller.MenuController.windowClosing(): cerrar.");
+        ConexionSingleton.closeConnection();
+    }
+    
+    // Obtener ResultSet de ModeloSQL y añádir eventos al ComboBoxModel del ComboBox de eventos
+    public void obtenerEventosDefaultComboBoxMoldel(){
+        ResultSet rs = modeloSQL.obtenerEventos();
+        try {
+            while ( rs.next() ){
+                menu.defaultComboBoxModel.addElement(rs.getString("nombre"));
+                System.out.println("MenuController.obtenerEventosDefaultComboBoxMoldel(): + " + rs.getString("nombre"));
+            }
+        } catch (SQLException ex) {
+            System.out.println("MenuController.obtenerEventosDefaultComboBoxMoldel(): error " + ex);;
+        }
     }
 }

ProyectoVentaBoletos/src/main/java/model/ModeloSQL.java

@@ -3,8 +3,6 @@ package model;
 import controller.ConexionSingleton;
 import java.sql.*;
 import java.time.LocalDateTime;
-import java.util.ArrayList;
-import java.util.List;
 
 public class ModeloSQL {
     Connection con;
@@ -16,6 +14,14 @@ public class ModeloSQL {
     // Eventos
     public ResultSet obtenerEventos(){
         ResultSet rs = null;
+        try {
+            Statement st = con.createStatement();
+            String consulta = "SELECT * FROM eventos";
+            rs = st.executeQuery(consulta);
+            System.out.println("ModeloSQL.obtenerEventos(): eventos obtenidos.");
+        } catch (SQLException e) {
+            System.out.println("[X]ModeloSQL.obtenerEventos(): " + e.getMessage());
+        }
         return rs;
     }
     

ProyectoVentaBoletos/src/main/java/view/Menu.form

@@ -79,26 +79,22 @@
     </Component>
     <Component class="javax.swing.JComboBox" name="jComboBoxEventos">
       <Properties>
-        <Property name="model" type="javax.swing.ComboBoxModel" editor="org.netbeans.modules.form.editors2.ComboBoxModelEditor">
+        <Property name="model" type="javax.swing.ComboBoxModel" editor="org.netbeans.modules.form.RADConnectionPropertyEditor">
-          <StringArray count="4">
+          <Connection code="defaultComboBoxModel" type="code"/>
-            <StringItem index="0" value="Item 1"/>
-            <StringItem index="1" value="Item 2"/>
-            <StringItem index="2" value="Item 3"/>
-            <StringItem index="3" value="Item 4"/>
-          </StringArray>
         </Property>
       </Properties>
       <AuxValues>
         <AuxValue name="JavaCodeGenerator_TypeParameters" type="java.lang.String" value="&lt;String&gt;"/>
+        <AuxValue name="JavaCodeGenerator_VariableModifier" type="java.lang.Integer" value="1"/>
       </AuxValues>
     </Component>
     <Component class="javax.swing.JButton" name="jButtonVisualizar">
       <Properties>
         <Property name="text" type="java.lang.String" value="Visualizar"/>
       </Properties>
-      <Events>
+      <AuxValues>
-        <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="jButtonVisualizarActionPerformed"/>
+        <AuxValue name="JavaCodeGenerator_VariableModifier" type="java.lang.Integer" value="1"/>
-      </Events>
+      </AuxValues>
     </Component>
     <Container class="javax.swing.JPanel" name="jPanelMenuSala">
       <Properties>
@@ -106,6 +102,9 @@
           <Color blue="fd" green="fa" red="f8" type="rgb"/>
         </Property>
       </Properties>
+      <AuxValues>
+        <AuxValue name="JavaCodeGenerator_VariableModifier" type="java.lang.Integer" value="1"/>
+      </AuxValues>
 
       <Layout>
         <DimensionLayout dim="0">

ProyectoVentaBoletos/src/main/java/view/Menu.java

@@ -1,14 +1,23 @@
 package view;
 
 import java.awt.BorderLayout;
+import controller.MenuController;
+import javax.swing.DefaultComboBoxModel;
 
 public class Menu extends javax.swing.JFrame {
-
+    
+    public DefaultComboBoxModel<String> defaultComboBoxModel;
+    
     public Menu() {
+        defaultComboBoxModel = new DefaultComboBoxModel();
         initComponents();
         this.setLocationRelativeTo(null);
         this.setVisible(true);
         jPanelMenuSala.setLayout(new BorderLayout());
+        
+        MenuController menuController = new MenuController(this);
+        this.jButtonVisualizar.addActionListener(menuController);
+        addWindowListener(menuController);
     }
 
     @SuppressWarnings("unchecked")
@@ -29,14 +38,9 @@ public class Menu extends javax.swing.JFrame {
         jLabel1.setFont(new java.awt.Font("Gill Sans MT", 0, 14)); // NOI18N
         jLabel1.setText("Seleccione un evento:");
 
-        jComboBoxEventos.setModel(new javax.swing.DefaultComboBoxModel<>(new String[] { "Item 1", "Item 2", "Item 3", "Item 4" }));
+        jComboBoxEventos.setModel(defaultComboBoxModel);
 
         jButtonVisualizar.setText("Visualizar");
-        jButtonVisualizar.addActionListener(new java.awt.event.ActionListener() {
-            public void actionPerformed(java.awt.event.ActionEvent evt) {
-                jButtonVisualizarActionPerformed(evt);
-            }
-        });
 
         jPanelMenuSala.setBackground(new java.awt.Color(248, 250, 253));
 
@@ -85,18 +89,10 @@ public class Menu extends javax.swing.JFrame {
         pack();
     }// </editor-fold>//GEN-END:initComponents
 
-    private void jButtonVisualizarActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonVisualizarActionPerformed
-        MenuSala menuSala = new MenuSala();
-        jPanelMenuSala.removeAll(); // Limpiar panel
-        jPanelMenuSala.add(menuSala, BorderLayout.CENTER); // Agrega el nuevo JPanel
-        jPanelMenuSala.revalidate();  // Reorganiza los componentes
-        jPanelMenuSala.repaint();     // Redibuja la interfaz
-    }//GEN-LAST:event_jButtonVisualizarActionPerformed
-
     // Variables declaration - do not modify//GEN-BEGIN:variables
-    private javax.swing.JButton jButtonVisualizar;
+    public javax.swing.JButton jButtonVisualizar;
-    private javax.swing.JComboBox<String> jComboBoxEventos;
+    public javax.swing.JComboBox<String> jComboBoxEventos;
     private javax.swing.JLabel jLabel1;
-    private javax.swing.JPanel jPanelMenuSala;
+    public javax.swing.JPanel jPanelMenuSala;
     // End of variables declaration//GEN-END:variables
 }