package ee402;

import java.awt.TextField;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

@SuppressWarnings("serial")
public class IntegerTextField extends TextField implements KeyListener {
	
	public IntegerTextField(int size){
		super(size);
		this.addKeyListener(this);
	}

	public void keyPressed(KeyEvent e) {}
	public void keyReleased(KeyEvent e) {}
	public void keyTyped(KeyEvent e) {
		char c = e.getKeyChar();
		if(Character.isDigit(c)||c==KeyEvent.VK_DELETE||c==KeyEvent.VK_BACK_SPACE){
			System.out.println("Numeric key pressed");
		}
		else {
			System.out.println("Non numeric key pressed");
			e.consume();
		}	
	}
}