package mightypork.rogue.bus.events;


import mightypork.utils.patterns.subscription.Handleable;

import org.lwjgl.input.Keyboard;


/**
 * A keyboard event
 * 
 * @author MightyPork
 */
public class KeyboardEvent implements Handleable<KeyboardEvent.Listener> {

	private int key;
	private boolean down;
	private char c;


	public KeyboardEvent(int key, char c, boolean down) {
		this.key = key;
		this.c = c;
		this.down = down;
	}


	/**
	 * @return key code (see {@link org.lwjgl.input.Keyboard})
	 */
	public int getKey()
	{
		return key;
	}


	/**
	 * @return true if key was just pressed
	 */
	public boolean isDown()
	{
		return down;
	}


	/**
	 * @return true if key was just released
	 */
	public boolean isUp()
	{
		return !down;
	}


	/**
	 * @return event character (if any)
	 */
	public char getChar()
	{
		return c;
	}


	@Override
	public void handleBy(Listener keh)
	{
		keh.receive(this);
	}

	public interface Listener {

		/**
		 * Handle an event
		 * 
		 * @param event event
		 */
		public void receive(KeyboardEvent event);
	}


	@Override
	public String toString()
	{
		return Keyboard.getKeyName(key) + ":" + (down ? "DOWN" : "UP");
	}

}