super(aFrame, true);
final DialogDemo dd = parent;
magicWord = aWord.toUpperCase();
setTitle("Quiz");
final String msgString1 = "What was Dr. SEUSS's real last name?";
final String msgString2 = "(The answer is \"" + magicWord
+ "\".)";
final JTextField textField = new JTextField(10);
Object[] array = {msgString1, msgString2, textField};
final String btnString1 = "Enter";
final String btnString2 = "Cancel";
Object[] options = {btnString1, btnString2};
optionPane = new JOptionPane(array,
JOptionPane.QUESTION_MESSAGE,
JOptionPane.YES_NO_OPTION,
null,
options,
options[0]);
setContentPane(optionPane);
setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent we) {
/*
* Instead of directly closing the window,
* we're going to change the JOptionPane's
* value property.
*/
optionPane.setValue(new Integer(
JOptionPane.CLOSED_OPTION));
}
});
textField.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
optionPane.setValue(btnString1);
}
});
optionPane.addPropertyChangeListener(new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent e) {
String prop = e.getPropertyName();
if (isVisible()
&& (e.getSource() == optionPane)
&& (prop.equals(JOptionPane.VALUE_PROPERTY) ||
prop.equals(JOptionPane.INPUT_VALUE_PROPERTY))) {
Object value = optionPane.getValue();
if (value == JOptionPane.UNINITIALIZED_VALUE) {
//ignore reset
return;
}
// Reset the JOptionPane's value.
// If you don't do this, then if the user
// presses the same button next time, no
// property change event will be fired.
optionPane.setValue(
JOptionPane.UNINITIALIZED_VALUE);
if (value.equals(btnString1)) {
typedText = textField.getText();
String ucText = typedText.toUpperCase();
if (ucText.equals(magicWord)) {
// we're done; dismiss the dialog
setVisible(false);
} else {
// text was invalid
textField.selectAll();
JOptionPane.showMessageDialog(
CustomDialog.this,
"Sorry, \"" + typedText + "\" "
+ "isn't a valid response.\n"
+ "Please enter "
+ magicWord + ".",
"Try again",
JOptionPane.ERROR_MESSAGE);
typedText = null;
}
} else { // user closed dialog or clicked cancel
dd.setLabel("It's OK. "
+ "We won't force you to type "
+ magicWord + ".");
typedText = null;
setVisible(false);
}
}
}
});
