/*
   GridTesti.java
   Testataan GridLayout.luokkaa.
   Tekijä: Juha Peltomäki, 8.1998.
*/
import java.applet.*;
import java.awt.*;
import java.awt.event.*;

public class GridTesti extends Applet {
    Button painike1, painike2, painike3, painike4;
    TextArea teksti1, teksti2;

    public void init() {
      setLayout(new GridLayout(3,0));
      painike1 = new Button("1. painike (AL)");
      painike2 = new Button("2. painike");
      painike3 = new Button("3. painike (AL)");
      painike4 = new Button("4. painike");
      teksti1 = new TextArea("Toka tekstikenttä");
      teksti2 = new TextArea("Eka tekstikenttä");
      add(painike1); add(painike2);
      add(teksti1); add(teksti2);
      add(painike3); add(painike4);

      painike1.addActionListener(new painike1Kuuntelee());
      painike3.addActionListener(new painike3Kuuntelee());
    }

    public class painike1Kuuntelee implements ActionListener
    {
       public void actionPerformed(ActionEvent tapaht) {
           setLayout(new GridLayout(2,0));
           painike1.setVisible(false);
           validate();
       }
    }

    public class painike3Kuuntelee implements ActionListener
    {
       public void actionPerformed(ActionEvent tapaht) {
           setLayout(new GridLayout(4,2));
           painike3.setVisible(false);
           validate();
       }
    }
}