Default constructor.
Create the visual components of the store display
- a scrolling log area and the current contents of the store
setLayout( new BorderLayout() );
value = 0;
displayValue = new JLabel( "[ " + value + " ]", JLabel.CENTER );
displayValue.setOpaque( true );
displayValue.setBackground( Color.white );
displayValue.setForeground( Color.red );
displayValue.setFont( new Font( "SansSerif", Font.BOLD, 22 ) );
add( displayValue, BorderLayout.SOUTH );
log = new Log( 30, 20 );
add( log, BorderLayout.CENTER );