source: branches/streams/abcl/examples/gui/swing/SwingDialogPromptStream.java

package swing;

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;

import abcl.DialogPromptStream;

public class SwingDialogPromptStream extends DialogPromptStream {

  JDialog dialog = new JDialog((Frame)null, true);
  private JLabel prompt = new JLabel();
  private JTextField input = new JTextField(32);
  
  public SwingDialogPromptStream() {
    this("Prompt");
  }
  
  public SwingDialogPromptStream(String title) {
    super();
    dialog.setTitle(title);
    JPanel tmpPanel = new JPanel();
    tmpPanel.add(prompt);
    tmpPanel.add(input);
    dialog.add(tmpPanel);
    JButton okBtn = new JButton("Ok");
    okBtn.addActionListener(new ActionListener() {

      public void actionPerformed(ActionEvent e) {
        synchronized(dialog) {
          dialog.dispose();
        }
      }
    });
    tmpPanel = new JPanel(new FlowLayout());
    tmpPanel.add(okBtn);
    dialog.add(tmpPanel, BorderLayout.SOUTH);
  }
  
  @Override
  protected void closeDialog() {
    dialog.dispose();
  }
  
  @Override
  protected String readInputFromModalDialog(String promptText) {
    prompt.setText(promptText);
    dialog.pack();
    dialog.setVisible(true);
    return input.getText();
  }
  
}