Graphical User Interfaces - Java - page 607

cp . add ( top , BorderLayout . NORTH );

JPanel attrs = new new JPanel ();

top . add ( attrs );
attrs . setLayout ( new new GridLayout ( 0 , 1 ));

attrs . add ( bold = new

new JCheckBox ( "Bold" , false false ));

attrs . add ( italic = new new JCheckBox ( "Italic" , false false ));

// Make sure that any change to the GUI will trigger a font preview.
ListSelectionListener waker = new

new ListSelectionListener () {

public public void void valueChanged ( ListSelectionEvent e ) {

previewFont ();

}

};
fontSizeChoice . addListSelectionListener ( waker );
fontNameChoice . addListSelectionListener ( waker );
ItemListener waker2 = new

new ItemListener () {

public public void void itemStateChanged ( ItemEvent e ) {

previewFont ();

}

};
bold . addItemListener ( waker2 );
italic . addItemListener ( waker2 );

previewArea = new new JLabel ( displayText , JLabel . CENTER );

previewArea . setSize ( 200 , 50 );
cp . add ( previewArea , BorderLayout . CENTER );

JPanel bot = new new JPanel ();

JButton okButton = new new JButton ( "Apply" );

bot . add ( okButton );
okButton . addActionListener ( new

new ActionListener () {

public public void void actionPerformed ( ActionEvent e ) {

previewFont ();
dispose ();
setVisible ( false false );

}

});

JButton canButton = new new JButton ( "Cancel" );

bot . add ( canButton );
canButton . addActionListener ( new new ActionListener () {

public public void void actionPerformed ( ActionEvent e ) {

// Set all values to null. Better: restore previous.