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Carleci Ore
Carleci Ore

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package project1; import java.awt.Dimension; import java.awt.Insets; import java.awt.Rectangle; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.util.Random; import javax.swing.BorderFactory; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JPasswordField; import javax.swing.JProgressBar; import javax.swing.JTextField; import javax.swing.border.BevelBorder; import javax.swing.event.CaretEvent; import javax.swing.event.CaretListener; public class Frame1 extends JFrame { private JLabel lblUsuario = new JLabel("Usuario :"); private JLabel lblContraseña = new JLabel("Contraseña :"); private JTextField txtUsuario = new JTextField(); private JPasswordField pswContraseña = new JPasswordField(); private JPanel pnlNumeros = new JPanel(); private JButton btn0 = new JButton(); private JButton btn1 = new JButton(); private JButton btn2 = new JButton(); private JButton btn3 = new JButton(); private JButton btn4 = new JButton(); private JButton btn5 = new JButton(); private JButton btn6 = new JButton(); private JButton btn7 = new JButton(); private JButton btn8 = new JButton(); private JButton btn9 = new JButton(); private JButton btnLimpiar = new JButton("Limpiar"); private JButton btnAceptar = new JButton("Aceptar"); private JButton btnCancelar = new JButton("Cancelar"); private JProgressBar pgbNivel = new JProgressBar(JProgressBar.HORIZONTAL,1,4); String strNumeros = ""; public Frame1() { try { jbInit(); } catch (Exception e) { e.printStackTrace(); } } private void jbInit() throws Exception { this.getContentPane().setLayout( null ); this.setSize( new Dimension(320, 190) ); lblUsuario.setBounds(new Rectangle(20,20,80,20)); lblContraseña.setBounds(new Rectangle(20,50,80,20)); txtUsuario.setBounds(new Rectangle(90,20,80,20)); pswContraseña.setBounds(new Rectangle(90,50,80,20));
pgbNivel.setBounds(new Rectangle(90,80,80,20)); btnAceptar.setBounds(new Rectangle(10,110,80,20)); btnCancelar.setBounds(new Rectangle(100,110,80,20)); pnlNumeros.setBounds(new Rectangle(190,20,90,120)); btn1.setBounds(new Rectangle(10,10,20,20)); btn2.setBounds(new Rectangle(35,10,20,20)); btn3.setBounds(new Rectangle(60,10,20,20)); btn4.setBounds(new Rectangle(10,35,20,20)); btn5.setBounds(new Rectangle(35,35,20,20)); btn6.setBounds(new Rectangle(60,35,20,20)); btn7.setBounds(new Rectangle(10,60,20,20)); btn8.setBounds(new Rectangle(35,60,20,20)); btn9.setBounds(new Rectangle(60,60,20,20)); btn0.setBounds(new Rectangle(10,85,20,20)); btnLimpiar.setBounds(new Rectangle(35,85,45,20)); pnlNumeros.setBorder(BorderFactory.createBevelBorder(BevelBorder.LOWERED)); pnlNumeros.setLayout(null); pnlNumeros.add(btn1); pnlNumeros.add(btn2); pnlNumeros.add(btn3); pnlNumeros.add(btn4); pnlNumeros.add(btn5); pnlNumeros.add(btn6); pnlNumeros.add(btn7); pnlNumeros.add(btn8); pnlNumeros.add(btn9); pnlNumeros.add(btn0); pnlNumeros.add(btnLimpiar); txtUsuario.addCaretListener(new CaretListener() { public void caretUpdate(CaretEvent e) { ActivarAceptar_caretUpdate(e); } }); pswContraseña.addCaretListener(new CaretListener() { public void caretUpdate(CaretEvent e) { ActivarAceptar_caretUpdate(e); } }); btnAceptar.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { btnAceptar_actionPerformed(e); } }); btnCancelar.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { btnCancelar_actionPerformed(e); } }); btnLimpiar.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { btnLimpiar_actionPerformed(e); } }); btn0.addActionListener(new ActionListener--es como pulsar un boton () { public void actionPerformed(ActionEvent e) { Digitos(e); } }); btn1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Digitos(e); } }); btn2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Digitos(e); } }); btn3.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Digitos(e); } }); btn4.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Digitos(e); } }); btn5.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Digitos(e); } }); btn6.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Digitos(e); } }); btn7.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Digitos(e); } }); btn8.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Digitos(e); } }); btn9.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Digitos(e); } }); this.getContentPane().add(lblUsuario,null); this.getContentPane().add(lblContraseña,null); this.getContentPane().add(txtUsuario,null);
this.getContentPane().add(pswContraseña,null); this.getContentPane().add(pgbNivel,null); this.getContentPane().add(btnAceptar,null); this.getContentPane().add(btnCancelar,null); this.getContentPane().add(pnlNumeros,null); Diseño(); } private void Diseño() { btnAceptar.setMnemonic('a'); btnCancelar.setMnemonic('c'); btn0.setMargin(new Insets(0,0,0,0)); btn1.setMargin(new Insets(0,0,0,0)); btn2.setMargin(new Insets(0,0,0,0)); btn3.setMargin(new Insets(0,0,0,0)); btn4.setMargin(new Insets(0,0,0,0)); btn5.setMargin(new Insets(0,0,0,0)); btn6.setMargin(new Insets(0,0,0,0)); btn7.setMargin(new Insets(0,0,0,0)); btn8.setMargin(new Insets(0,0,0,0)); btn9.setMargin(new Insets(0,0,0,0)); btnLimpiar.setMargin(new Insets(0,0,0,0)); btnAceptar.setEnabled(false); pswContraseña.setFocusable(false); GenerarNumeros ( new JButton[] { btn1,btn2,btn3,btn4,btn5,btn6,btn7,btn8,btn9,btn0 } ); } private void btnAceptar_actionPerformed(ActionEvent e) { String strUsuario = txtUsuario.getText().trim().toLowerCase(); String strContraseña = new String ( pswContraseña.getPassword() ); JOptionPane.showMessageDialog(null, "Usuario " + ( strUsuario.equals("java") && strContraseña.equals("123") ? "" : "in" ) + "válido" ); } private void btnCancelar_actionPerformed(ActionEvent e) { } private void btnLimpiar_actionPerformed(ActionEvent e) { pswContraseña.setText(""); pgbNivel.setValue(0); pgbNivel.setStringPainted(false); } private void Digitos(ActionEvent e) { String strContraseña = new String ( pswContraseña.getPassword() ); int Longitud = strContraseña.length()+1; if ( Longitud < 5 ) { pswContraseña.setText( strContraseña + ( (JButton) e.getSource() ).getText() ); pgbNivel.setStringPainted(true); pgbNivel.setValue( Longitud ); //pgbNivel.setString("" + ( Longitud*100/4 ) + " %" ); pgbNivel.setString( Longitud < 2 ? "Bajo" : Longitud < 4 ? "Medio" : "Alto" ); } } private void ActivarAceptar_caretUpdate(CaretEvent e) { btnAceptar.setEnabled( txtUsuario.getText().trim().toLowerCase().length() > 0 && new String( pswContraseña.getPassword() ).length() > 0 );
} private void GenerarNumeros( JButton[] botones ) { for (int i=0 ; i< botones.length; i++) { String strNx = "" + new Random().nextInt(10); while ( strNumeros.indexOf(strNx) > -1 ) strNx = "" + new Random().nextInt(10); botones[i].setText(strNx); strNumeros += strNx; } } }

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  • 1. package project1; import java.awt.Dimension; import java.awt.Insets; import java.awt.Rectangle; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.util.Random; import javax.swing.BorderFactory; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JPasswordField; import javax.swing.JProgressBar; import javax.swing.JTextField; import javax.swing.border.BevelBorder; import javax.swing.event.CaretEvent; import javax.swing.event.CaretListener; public class Frame1 extends JFrame { private JLabel lblUsuario = new JLabel("Usuario :"); private JLabel lblContraseña = new JLabel("Contraseña :"); private JTextField txtUsuario = new JTextField(); private JPasswordField pswContraseña = new JPasswordField(); private JPanel pnlNumeros = new JPanel(); private JButton btn0 = new JButton(); private JButton btn1 = new JButton(); private JButton btn2 = new JButton(); private JButton btn3 = new JButton(); private JButton btn4 = new JButton(); private JButton btn5 = new JButton(); private JButton btn6 = new JButton(); private JButton btn7 = new JButton(); private JButton btn8 = new JButton(); private JButton btn9 = new JButton(); private JButton btnLimpiar = new JButton("Limpiar"); private JButton btnAceptar = new JButton("Aceptar"); private JButton btnCancelar = new JButton("Cancelar"); private JProgressBar pgbNivel = new JProgressBar(JProgressBar.HORIZONTAL,1,4); String strNumeros = ""; public Frame1() { try { jbInit(); } catch (Exception e) { e.printStackTrace(); } } private void jbInit() throws Exception { this.getContentPane().setLayout( null ); this.setSize( new Dimension(320, 190) ); lblUsuario.setBounds(new Rectangle(20,20,80,20)); lblContraseña.setBounds(new Rectangle(20,50,80,20)); txtUsuario.setBounds(new Rectangle(90,20,80,20)); pswContraseña.setBounds(new Rectangle(90,50,80,20));
  • 2. pgbNivel.setBounds(new Rectangle(90,80,80,20)); btnAceptar.setBounds(new Rectangle(10,110,80,20)); btnCancelar.setBounds(new Rectangle(100,110,80,20)); pnlNumeros.setBounds(new Rectangle(190,20,90,120)); btn1.setBounds(new Rectangle(10,10,20,20)); btn2.setBounds(new Rectangle(35,10,20,20)); btn3.setBounds(new Rectangle(60,10,20,20)); btn4.setBounds(new Rectangle(10,35,20,20)); btn5.setBounds(new Rectangle(35,35,20,20)); btn6.setBounds(new Rectangle(60,35,20,20)); btn7.setBounds(new Rectangle(10,60,20,20)); btn8.setBounds(new Rectangle(35,60,20,20)); btn9.setBounds(new Rectangle(60,60,20,20)); btn0.setBounds(new Rectangle(10,85,20,20)); btnLimpiar.setBounds(new Rectangle(35,85,45,20)); pnlNumeros.setBorder(BorderFactory.createBevelBorder(BevelBorder.LOWERED)); pnlNumeros.setLayout(null); pnlNumeros.add(btn1); pnlNumeros.add(btn2); pnlNumeros.add(btn3); pnlNumeros.add(btn4); pnlNumeros.add(btn5); pnlNumeros.add(btn6); pnlNumeros.add(btn7); pnlNumeros.add(btn8); pnlNumeros.add(btn9); pnlNumeros.add(btn0); pnlNumeros.add(btnLimpiar); txtUsuario.addCaretListener(new CaretListener() { public void caretUpdate(CaretEvent e) { ActivarAceptar_caretUpdate(e); } }); pswContraseña.addCaretListener(new CaretListener() { public void caretUpdate(CaretEvent e) { ActivarAceptar_caretUpdate(e); } }); btnAceptar.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { btnAceptar_actionPerformed(e); } }); btnCancelar.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { btnCancelar_actionPerformed(e); } }); btnLimpiar.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { btnLimpiar_actionPerformed(e); } }); btn0.addActionListener(new ActionListener--es como pulsar un boton () { public void actionPerformed(ActionEvent e) { Digitos(e); } }); btn1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Digitos(e); } }); btn2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Digitos(e); } }); btn3.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Digitos(e); } }); btn4.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Digitos(e); } }); btn5.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Digitos(e); } }); btn6.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Digitos(e); } }); btn7.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Digitos(e); } }); btn8.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Digitos(e); } }); btn9.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Digitos(e); } }); this.getContentPane().add(lblUsuario,null); this.getContentPane().add(lblContraseña,null); this.getContentPane().add(txtUsuario,null);
  • 3. this.getContentPane().add(pswContraseña,null); this.getContentPane().add(pgbNivel,null); this.getContentPane().add(btnAceptar,null); this.getContentPane().add(btnCancelar,null); this.getContentPane().add(pnlNumeros,null); Diseño(); } private void Diseño() { btnAceptar.setMnemonic('a'); btnCancelar.setMnemonic('c'); btn0.setMargin(new Insets(0,0,0,0)); btn1.setMargin(new Insets(0,0,0,0)); btn2.setMargin(new Insets(0,0,0,0)); btn3.setMargin(new Insets(0,0,0,0)); btn4.setMargin(new Insets(0,0,0,0)); btn5.setMargin(new Insets(0,0,0,0)); btn6.setMargin(new Insets(0,0,0,0)); btn7.setMargin(new Insets(0,0,0,0)); btn8.setMargin(new Insets(0,0,0,0)); btn9.setMargin(new Insets(0,0,0,0)); btnLimpiar.setMargin(new Insets(0,0,0,0)); btnAceptar.setEnabled(false); pswContraseña.setFocusable(false); GenerarNumeros ( new JButton[] { btn1,btn2,btn3,btn4,btn5,btn6,btn7,btn8,btn9,btn0 } ); } private void btnAceptar_actionPerformed(ActionEvent e) { String strUsuario = txtUsuario.getText().trim().toLowerCase(); String strContraseña = new String ( pswContraseña.getPassword() ); JOptionPane.showMessageDialog(null, "Usuario " + ( strUsuario.equals("java") && strContraseña.equals("123") ? "" : "in" ) + "válido" ); } private void btnCancelar_actionPerformed(ActionEvent e) { } private void btnLimpiar_actionPerformed(ActionEvent e) { pswContraseña.setText(""); pgbNivel.setValue(0); pgbNivel.setStringPainted(false); } private void Digitos(ActionEvent e) { String strContraseña = new String ( pswContraseña.getPassword() ); int Longitud = strContraseña.length()+1; if ( Longitud < 5 ) { pswContraseña.setText( strContraseña + ( (JButton) e.getSource() ).getText() ); pgbNivel.setStringPainted(true); pgbNivel.setValue( Longitud ); //pgbNivel.setString("" + ( Longitud*100/4 ) + " %" ); pgbNivel.setString( Longitud < 2 ? "Bajo" : Longitud < 4 ? "Medio" : "Alto" ); } } private void ActivarAceptar_caretUpdate(CaretEvent e) { btnAceptar.setEnabled( txtUsuario.getText().trim().toLowerCase().length() > 0 && new String( pswContraseña.getPassword() ).length() > 0 );
  • 4. } private void GenerarNumeros( JButton[] botones ) { for (int i=0 ; i< botones.length; i++) { String strNx = "" + new Random().nextInt(10); while ( strNumeros.indexOf(strNx) > -1 ) strNx = "" + new Random().nextInt(10); botones[i].setText(strNx); strNumeros += strNx; } } }