> For the complete documentation index, see [llms.txt](https://educacion.gitbook.io/programacion/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://educacion.gitbook.io/programacion/exercicios-java/ud5-solucions/interfaces-graficas.md).

# Interfaces gráficas

1.

```java
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class VentanaPersonalizada extends JFrame {

    private JPanel panel;
    private JButton botonContador;
    private int contador = 0;

    public VentanaPersonalizada() {
        // Configuración da ventá
        setTitle("Ventana con Contador");
        setSize(400, 200);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setLocationRelativeTo(null); // Centrar a ventá

        // Crear panel
        panel = new JPanel();
        panel.setLayout(new FlowLayout());

        // Crear botón
        botonContador = new JButton("Contador");
        botonContador.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                contador++;
                System.out.println("Pulsacións: " + contador);
            }
        });

        // Engadir botón ao panel
        panel.add(botonContador);

        // Engadir panel á ventá
        add(panel);

        // Facer visible
        setVisible(true);
    }

}
```

```java
package Interfaces3;

public class App {
    public static void main(String[] args) {
        VentanaPersonalizada ventana = new VentanaPersonalizada();
    }
}

```

2\.

```java
package Interfaces3;

import javax.imageio.ImageIO;
import javax.swing.*;
import javax.swing.border.LineBorder;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.IOException;

public class VentanaPersonalizada extends JFrame {

    private JPanel panel;
    private JButton botonContador;
    private int contador = 0;

    public VentanaPersonalizada() {
        // Configuración da ventá
        setTitle("Ventana con Contador");
        setSize(400, 200);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setLocationRelativeTo(null); // Centrar a ventá
        Image i;
        try {
            i = ImageIO.read(new File("C:\\Users\\iagom\\Desktop\\programacion.png"));
            setIconImage(i);
        } catch (IOException e){
            System.out.println("Error al leer el Icono: " + e.getMessage());
        }

        // Crear panel
        panel = new JPanel();
        panel.setLayout(new FlowLayout());
        //Cambiamos el color a azul claro
        panel.setBackground(new Color(173, 216, 230));
        // Engadimos un borde ao panel
        panel.setBorder(new LineBorder(Color.GREEN, 3));

        // Crear botón
        botonContador = new JButton("Contador");
        botonContador.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                contador++;
                System.out.println("Pulsacións: " + contador);
            }
        });

        // Engadir botón ao panel
        panel.add(botonContador);

        // Engadir panel á ventá
        add(panel);

        // Facer visible
        setVisible(true);
    }

}
```

3\.

```java
package Interfaces3;

import javax.swing.*;
import javax.swing.border.LineBorder;
import java.awt.*;

class PanelEtiqueta extends JPanel {

    private JLabel etiqueta;

    public PanelEtiqueta() {
        // Configuración do panel
        setLayout(new FlowLayout());
        setBackground(new Color(220, 220, 255)); // Cor azul clarita
        setBorder(new LineBorder(Color.BLUE, 2));

        // Crear etiqueta
        etiqueta = new JLabel("Pulsacións: 0");
        etiqueta.setFont(new Font("Arial", Font.BOLD, 16));
        add(etiqueta);
    }

    // Método para actualizar a etiqueta
    public void actualizarContador(int valor) {
        etiqueta.setText("Pulsacións: " + valor);
    }

    public JLabel getEtiqueta() {
        return etiqueta;
    }
}

```

```java
package Interfaces3;

import javax.imageio.ImageIO;
import javax.swing.*;
import javax.swing.border.LineBorder;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.IOException;

public class VentanaPersonalizada extends JFrame {

    private JPanel panel;
    private JButton botonContador;
    private PanelEtiqueta panelSuperior;
    private int contador = 0;

    public VentanaPersonalizada() {
        // Configuración da ventá
        setTitle("Ventana con Contador");
        setSize(400, 200);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setLocationRelativeTo(null); // Centrar a ventá
        Image i;
        try {
            i = ImageIO.read(new File("C:\\...\\programacion.png"));
            setIconImage(i);
        } catch (IOException e){
            System.out.println("Error al leer el Icono: " + e.getMessage());
        }

        // Crear panel
        panelSuperior = new PanelEtiqueta();
        add(panelSuperior, BorderLayout.NORTH);

        panel = new JPanel();
        panel.setLayout(new FlowLayout());
        //Cambiamos el color a azul claro
        panel.setBackground(new Color(173, 216, 230));
        // Engadimos un borde ao panel
        panel.setBorder(new LineBorder(Color.GREEN, 3));

        // Crear botón
        botonContador = new JButton("Contador");
        botonContador.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                contador++;
                System.out.println("Pulsacións: " + contador);
                panelSuperior.actualizarContador(contador);
            }
        });

        // Engadir botón ao panel
        panel.add(botonContador);

        // Engadir panel á ventá
        add(panel);

        // Facer visible
        setVisible(true);
    }

    public JPanel getPanel() {
        return panel;
    }

    public JButton getBotonContador() {
        return botonContador;
    }

    public PanelEtiqueta getPanelSuperior() {
        return panelSuperior;
    }

    public int getContador() {
        return contador;
    }
}

```

4\.

```java
package Interfaces3;

import javax.swing.*;
import java.awt.*;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;

public class DialogoPersonalizado extends JDialog {

    private JTextField campoNome;
    private JRadioButton rbHome;
    private JRadioButton rbMuller;
    private JComboBox<String> comboTitulacion;

    public DialogoPersonalizado(JFrame parent) {
        super(parent, "Formulario", true); // true = modal

        setSize(300, 250);
        setLocationRelativeTo(parent);

        // 🔹 Layout recomendado
        setLayout(new GridLayout(4, 2, 5, 5));

        // --- Nome ---
        add(new JLabel("Nome e apelidos:"));
        campoNome = new JTextField();
        add(campoNome);

        // --- Sexo ---
        add(new JLabel("Sexo:"));
        JPanel panelRadio = new JPanel(new FlowLayout());

        rbHome = new JRadioButton("Home");
        rbMuller = new JRadioButton("Muller");

        ButtonGroup grupoSexo = new ButtonGroup();
        grupoSexo.add(rbHome);
        grupoSexo.add(rbMuller);

        panelRadio.add(rbHome);
        panelRadio.add(rbMuller);

        add(panelRadio);

        // --- Titulación ---
        add(new JLabel("Titulación:"));

        String[] titulacions = {"DAW", "DAM", "ASIR"};
        comboTitulacion = new JComboBox<>(titulacions);
        add(comboTitulacion);

        // Evento ao pechar o diálogo
        addWindowListener(new WindowListener() {
            @Override
            public void windowOpened(WindowEvent e) {

            }

            @Override
            public void windowClosing(WindowEvent e) {
                recuperarDatos();
            }

            @Override
            public void windowClosed(WindowEvent e) {
                System.out.println("Ventana cerrada");
            }

            @Override
            public void windowIconified(WindowEvent e) {

            }

            @Override
            public void windowDeiconified(WindowEvent e) {

            }

            @Override
            public void windowActivated(WindowEvent e) {

            }

            @Override
            public void windowDeactivated(WindowEvent e) {

            }
        });
    }

    private String recuperarDatos() {
        String nome = campoNome.getText();

        String sexo = "";
        if (rbHome.isSelected()) {
            sexo = "Home";
        } else if (rbMuller.isSelected()) {
            sexo = "Muller";
        }

        String titulacion = (String) comboTitulacion.getSelectedItem();

        return "Nome: " + nome + ", Sexo: " + sexo + ", Titulación: " + titulacion;

    }
}
```

```java
package Interfaces3;

import javax.imageio.ImageIO;
import javax.swing.*;
import javax.swing.border.LineBorder;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.IOException;

public class VentanaPersonalizada extends JFrame {

    private JPanel panel;
    private JButton botonContador;
    private PanelEtiqueta panelSuperior;
    private JButton botonNuevaVentana;
    private int contador = 0;

    public VentanaPersonalizada() {
        // Configuración da ventá
        setTitle("Ventana con Contador");
        setSize(400, 200);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setLocationRelativeTo(null); // Centrar a ventá
        Image i;
        try {
            i = ImageIO.read(new File("C:\\Users\\iagom\\Desktop\\programacion.png"));
            setIconImage(i);
        } catch (IOException e){
            System.out.println("Error al leer el Icono: " + e.getMessage());
        }

        // Crear panel
        panelSuperior = new PanelEtiqueta();
        add(panelSuperior, BorderLayout.NORTH);

        panel = new JPanel();
        panel.setLayout(new FlowLayout());
        //Cambiamos el color a azul claro
        panel.setBackground(new Color(173, 216, 230));
        // Engadimos un borde ao panel
        panel.setBorder(new LineBorder(Color.GREEN, 3));

        // Crear botón
        botonContador = new JButton("Contador");
        botonContador.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                contador++;
                System.out.println("Pulsacións: " + contador);
                panelSuperior.actualizarContador(contador);
            }
        });

        botonNuevaVentana = new JButton("Nueva Ventana");
        botonNuevaVentana.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                DialogoPersonalizado dialogo = new DialogoPersonalizado(VentanaPersonalizada.this);
                dialogo.setVisible(true);
            }
        });

        // Engadir botón ao panel
        panel.add(botonContador);
        panel.add(botonNuevaVentana);

        // Engadir panel á ventá
        add(panel);

        // Facer visible
        setVisible(true);
    }

    public JPanel getPanel() {
        return panel;
    }

    public JButton getBotonContador() {
        return botonContador;
    }

    public PanelEtiqueta getPanelSuperior() {
        return panelSuperior;
    }

    public int getContador() {
        return contador;
    }
}

```


---

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