//Echo
//takes stuff from a text field, copies it to a label

import java.awt.*;
import java.applet.*;


public class Echo extends Applet{

  //create some components.  
  Label lblOut = new Label();
  TextField txtIn = new TextField();
  Button btnOK = new Button("OK");

  public void init(){
    //this is a METHOD that will happen when the applet first loads
    //it is commonly used to add components to the screen

    //the following line tells the applet how I want things arranged
    setLayout(new GridLayout(3,1));

    //add the components
    add(lblOut);
    add(txtIn);
    add(btnOK);
  } // end init

  public boolean action(Event e, Object o){
    //this method will occur whenever an action 
    //(like clicking a button) happens

    //make a string variable called temp
    String temp;
    
    //check to see if the OK button has been pressed
    if (e.target == btnOK){
      
      //copy the value of the text field to temp
      temp = txtIn.getText();

      //copy the value of temp to the label
      lblOut.setText(temp);

      //tell the calling routine we were successful
      return true;
    } else {
      //if anything else happened.. tell the calling routine that.
      return false;
    } // end if
  } // end action 

} // end class def