/*
IKE
Rectangle Information
Revamped on 6/17/01
*/
import java.awt.*;
import java.applet.*;
import java.awt.event.*;

public class RectInfo extends Applet implements ActionListener
{
   // variables
   public TextField input1, input2;
   public TextArea display1;
   public Button b1, b2;
   public Label lab1, lab2;

   public void init()
   {
      setBackground(Color.blue);
      
      input1 = new TextField(3);
      input1.setBackground(Color.white);
      input2 = new TextField(3);
      input2.setBackground(Color.white);
      display1 = new TextArea("", 1, 35, display1.SCROLLBARS_NONE);
      display1.setEditable(false);
      display1.setBackground(Color.white);

      b1 = new Button("Area");
      b1.setBackground(Color.green);
      b2 = new Button("Perimeter");
      b2.setBackground(Color.green);
      lab1 = new Label("Height");
      lab1.setForeground(Color.white);
      lab2 = new Label("Width");
      lab2.setForeground(Color.white);

      add(lab1); add(input1);
      add(lab2); add(input2);
      add(b1); add(b2);
      add(display1);

      b1.addActionListener(this);
      b2.addActionListener(this);
   }
   public void actionPerformed(ActionEvent ae)
   {
      int num1, num2, answer = 0;
      String str;

      // check for nothing in textField
      str = input1.getText();
      if (str.equals(""))
        num1 = 0;
      else
        num1 = Integer.parseInt(str);

      str = input2.getText();
      if (str.equals(""))
        num2 = 0;
      else
        num2 = Integer.parseInt(str);

      str = ae.getActionCommand();

      if (str.equals ("Area"))
      {
         answer = num1 * num2;
         display1.setText("The area of this rectangle is: "
         +Integer.toString(answer));
      }
      else
      {
        answer = 2 * num1 + 2 * num2;
        display1.setText("The perimeter of this rectangle is: "
        +Integer.toString(answer));
      }
     repaint();
   }
   public void paint(Graphics g)
   {
      int num1, num2;
      String str;

      // check for nothing in textField
      str = input1.getText();
      if (str.equals(""))
        num1 = 0;
      else
        num1 = Integer.parseInt(str);

      str = input2.getText();
      if (str.equals(""))
        num2 = 0;
      else
        num2 = Integer.parseInt(str);

     g.setColor(Color.green);
     g.fillRect(2, 75, num2, num1);

   }
}