32 import java.awt.*;

    32 import java.awt.*;

    33 import java.awt.event.*;

    33 import java.awt.event.*;

    34 

    34 

    35 import java.io.Serializable;

    35 import java.io.Serializable;

    36 import java.io.ObjectOutputStream;

    36 import java.io.ObjectOutputStream;

    38 import java.io.IOException;

    37 import java.io.IOException;

    39 

    38 

    40 import javax.swing.event.*;

    39 import javax.swing.event.*;

    41 import javax.swing.plaf.*;

    40 import javax.swing.plaf.*;

    43 

    41 

    44 import javax.accessibility.*;

    42 import javax.accessibility.*;

    45 

    43 

    46 /**

    44 /**

    47  * A component that combines a button or editable field and a drop-down list.

    45  * A component that combines a button or editable field and a drop-down list.

   225         init();

   223         init();

   226     }

   224     }

   227 

   225 

   228     private void init() {

   226     private void init() {

   229         installAncestorListener();

   227         installAncestorListener();

   231         updateUI();

   229         updateUI();

   232     }

   230     }

   233 

   231 

   234     protected void installAncestorListener() {

   232     protected void installAncestorListener() {

   235         addAncestorListener(new AncestorListener(){

   233         addAncestorListener(new AncestorListener(){