Examples of javax.swing.InputVerifier

javax.swing.InputVerifier
program demonstrates the use of the Swing InputVerifier class. // It creates two text fields; the first of the text fields expects the // string "pass" as input, and will allow focus to advance out of it // only after that string is typed in by the user. public class VerifierTest extends JFrame { public VerifierTest() { JTextField tf1 = new JTextField ("Type \"pass\" here"); getContentPane().add (tf1, BorderLayout.NORTH); tf1.setInputVerifier(new PassVerifier()); JTextField tf2 = new JTextField ("TextField2"); getContentPane().add (tf2, BorderLayout.SOUTH); WindowListener l = new WindowAdapter() { public void windowClosing(WindowEvent e) { System.exit(0); } }; addWindowListener(l); } class PassVerifier extends InputVerifier { public boolean verify(JComponent input) { JTextField tf = (JTextField) input; return "pass".equals(tf.getText()); } } public static void main(String[] args) { Frame f = new VerifierTest(); f.pack(); f.setVisible(true); } } @since 1.3


public class DateInputVerifierTest extends TestCase {
  
  public void testVerifier() {
    
    InputVerifier verifier = new JXDatePickerInputVerifier();


    //Data V�lida
    JXDatePicker picker = new JXDatePicker();
    picker.setInputVerifier(verifier);
    assertTrue(picker.getInputVerifier().shouldYieldFocus(picker));

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        Sysout.printInstructions( instructions );


        JFrame frame = new JFrame();
        frame.getContentPane().setLayout(new FlowLayout());
        JTextField tf1 = new JTextField(10);
        tf1.setInputVerifier(new InputVerifier() {
                public boolean verify(JComponent input) {
                    System.err.println("verify on " + input);
                    verifier_called = true;
                    return true;
                }

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    lblClientsPort.setText(Integer.toString(Globals.DEFAULT_CLIENT_PORT));
    lblServerPort.setText(Integer.toString(Globals.DEFAULT_SERVER_PORT));
    lblServerIP.setText(Globals.DEFAULT_SERVER_IP);    
    contentPanel.setFocusTraversalPolicy(new FocusTraversalOnArray(new Component[]{lblNickname, tfNickname, lbl4, lblServerIP, lbl1, lblServerPort, lbl7, lblClientsPort, okButton, cancelButton}));
    
    _nicknameVerifier = new InputVerifier() {
        public boolean verify(JComponent comp) {
            
          JTextField textField = (JTextField) comp;
          return (!textField.getText().isEmpty());
        }

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    /** installs an InputVerifier depending on 
     *  validationPolicy. 
     */
    protected void installInputVerifier() {
        getComponent().setInputVerifier(new InputVerifier() {
            public boolean verify(JComponent input) {
                if (validationPolicy != AUTO_VALIDATE_NONE) {
                    boolean isValid = isValid();
                    if (!isValid && validationPolicy == AUTO_VALIDATE_STRICT) {
                        return false;

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      @Override
      public void actionPerformed(ActionEvent e) {
        validateStagename(stagenameF, geco, frame);
      }
    });
    stagenameF.setInputVerifier(new InputVerifier() {
      @Override
      public boolean verify(JComponent input) {
        return verifyStagename(stagenameF.getText());
      }
      @Override
      public boolean shouldYieldFocus(JComponent input) {
        return validateStagename(stagenameF, geco, frame);
      }
    });
    add(stagenameF, c);
    
    c.gridy = 1;
    add(new JLabel(Messages.uiGet("StagePanel.ZeroHourLabel")), c); //$NON-NLS-1$
    final SimpleDateFormat formatter = new SimpleDateFormat("H:mm"); //$NON-NLS-1$
    formatter.setTimeZone(TimeZone.getTimeZone("GMT")); //$NON-NLS-1$
    final JTextField zerohourF = new JTextField(formatter.format(geco.stage().getZeroHour()));
    zerohourF.setColumns(7);
    zerohourF.setToolTipText(Messages.uiGet("StagePanel.ZeroHourTooltip")); //$NON-NLS-1$
    add(zerohourF, c);
    zerohourF.addActionListener(new ActionListener() {
      @Override
      public void actionPerformed(ActionEvent e) {
        validateZeroHour(formatter, zerohourF, geco);
      }
    });
    zerohourF.setInputVerifier(new InputVerifier() {
      @Override
      public boolean verify(JComponent input) {
        try {
          formatter.parse(zerohourF.getText());
          return true;

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      public void actionPerformed(ActionEvent e) {
        control().validateRegisteredStartTime(runner, regStartF.getText());
        refreshRegistrationPanel();
      }
    });
    regStartF.setInputVerifier(new InputVerifier() {
      @Override
      public boolean verify(JComponent input) {
        control().validateRegisteredStartTime(runner, regStartF.getText());
        refreshRegistrationPanel();
        return true; // always yield focus
      }
    });
    
    archiveF.addActionListener(new ActionListener() {
      @Override
      public void actionPerformed(ActionEvent e) {
        control().validateArchiveId(runner, archiveF.getText());
        refreshRegistrationPanel();
      }
    });
    archiveF.setInputVerifier(new InputVerifier() {
      @Override
      public boolean verify(JComponent input) {
        control().validateArchiveId(runner, archiveF.getText());
        refreshRegistrationPanel();
        return true; // always yield focus

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