tallypanel.java

高级java2 大学教程(含源码,经典的Java学习教程

// TallyPanel.java
// TallPanel is the GUI component which displays
// the name and tally for a vote candidate.
package com.deitel.advjhtp1.jms.voter;

// Java core packages
import java.awt.*;

// Java extension packages
import javax.swing.*;

public class TallyPanel extends JPanel {

   private JLabel nameLabel;
   private JTextField tallyField;
   private String name;
   private int tally;

   // TallyPanel constructor
   public TallyPanel( String voteName, int voteTally )
   {
      name = voteName;
      tally = voteTally;

      nameLabel = new JLabel( name );
      tallyField = 
         new JTextField( Integer.toString( tally ), 10 );
      tallyField.setEditable( false );
      tallyField.setBackground( Color.white );

      add( nameLabel );
      add( tallyField );

   } // end TallyPanel constructor

   // update tally by one vote
   public void updateTally()
   {
      tally++;
      tallyField.setText( Integer.toString( tally ) );
   }
}

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