?? sender.java
字號:
import java.awt.event.*;
import com.sun.java.swing.*;
import com.sun.java.swing.event.*;
import com.sun.java.swing.text.*;
import com.sun.java.swing.border.*;
import com.sun.java.accessibility.*;
import java.awt.*;
import java.awt.event.*;
public class Sender extends JPanel
implements Chain, ActionListener
{
private Chain nextChain;
private JTextField tx;
private JButton Send;
//----------------------------------
public Sender()
{
setLayout(new GridLayout(2,1));
JPanel tp = new JPanel();
JPanel bp = new JPanel();
add(tp);
add(bp);
tx = new JTextField(10);
tp.add(tx);
Send = new JButton("Send");
bp.add(Send);
Send.addActionListener(this);
setBorder(new TitledBorder("Send commands"));
}
//----------------------------------
public void actionPerformed(ActionEvent e)
{
String file = tx.getText();
if ((file.length() >0) && (nextChain != null))
nextChain.sendToChain(file);
}
//----------------------------------
public void addChain(Chain c)
{
nextChain = c;
}
//----------------------------------
public void sendToChain(String mesg){} //this one does nothing
//----------------------------------
public Chain getChain()
{
return nextChain;
}
}
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