本文整理汇总了Java中javax.swing.JDialog.addComponentListener方法的典型用法代码示例。如果您正苦于以下问题：Java JDialog.addComponentListener方法的具体用法？Java JDialog.addComponentListener怎么用？Java JDialog.addComponentListener使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javax.swing.JDialog的用法示例。
在下文中一共展示了JDialog.addComponentListener方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: inputPassword
import javax.swing.JDialog; //导入方法依赖的package包/类
@Override
public String inputPassword(String messageText) {
final JPasswordField passwordField = new JPasswordField();
JOptionPane jop = new JOptionPane(new Object[] { messageText, passwordField }, JOptionPane.QUESTION_MESSAGE,
JOptionPane.OK_CANCEL_OPTION);
JDialog dialog = jop.createDialog("Auhtentication required");
dialog.addComponentListener(new ComponentAdapter() {
@Override
public void componentShown(ComponentEvent e) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
passwordField.requestFocusInWindow();
passwordField.requestFocus();
}
});
}
});
dialog.setVisible(true);
int result = (Integer) jop.getValue();
if (result == JOptionPane.OK_OPTION) {
return new String(passwordField.getPassword());
} else {
return null;
}
}
示例2: readFromGUI
import javax.swing.JDialog; //导入方法依赖的package包/类
/**
* Ask using a GUI for the username and password.
*/
private void readFromGUI() {
// Create fields for user name.
final JTextField usernameField = new JTextField(20);
usernameField.setText(this.username);
final JLabel usernameLabel = new JLabel("Username: ");
usernameLabel.setLabelFor(usernameField);
final JPanel usernamePane = new JPanel(new FlowLayout(FlowLayout.TRAILING));
usernamePane.add(usernameLabel);
usernamePane.add(usernameField);
// Create fields for password.
final JPasswordField passwordField = new JPasswordField(20);
passwordField.setText(this.password);
final JLabel passwordLabel = new JLabel("Password: ");
passwordLabel.setLabelFor(passwordField);
final JPanel passwordPane = new JPanel(new FlowLayout(FlowLayout.TRAILING));
passwordPane.add(passwordLabel);
passwordPane.add(passwordField);
// Create panel
final JPanel main = new JPanel();
main.setLayout(new BoxLayout(main, BoxLayout.PAGE_AXIS));
main.add(usernamePane);
main.add(passwordPane);
// Create and handle dialog
final JOptionPane jop = new JOptionPane(main, JOptionPane.QUESTION_MESSAGE, JOptionPane.OK_CANCEL_OPTION);
final JDialog dialog = jop.createDialog("User name and password");
dialog.addComponentListener(new ComponentAdapter() {
public void componentShown(ComponentEvent e) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
if (usernameField.getText().isEmpty())
{
usernameField.requestFocusInWindow();
}
else
{
passwordField.requestFocusInWindow();
}
}
});
}
});
dialog.setVisible(true);
final Integer result = (Integer) jop.getValue();
dialog.dispose();
if (result.intValue() == JOptionPane.OK_OPTION) {
this.username = usernameField.getText();
final char[] pwd = passwordField.getPassword();
this.password = new String(pwd);
}
}