net.avh4.framework.uilayer.swing.SwingInputHandler Maven / Gradle / Ivy

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package net.avh4.framework.uilayer.swing;

import java.awt.Component;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

import net.avh4.framework.uilayer.ClickReceiver;
import net.avh4.framework.uilayer.KeyReceiver;

public class SwingInputHandler implements MouseListener, KeyListener {

	private final ClickReceiver clickReceiver;
	private final KeyReceiver keyReceiver;
	private final Component componentToRepaint;

	public SwingInputHandler(final ClickReceiver receiver,
			final KeyReceiver keyReceiver) {
		this(receiver, keyReceiver, null);
	}

	/**
	 * This constructor allows a UI component to be specified which will be told
	 * to repaint itself after each event is dispatched.
	 */
	public SwingInputHandler(final ClickReceiver receiver,
			final KeyReceiver keyReceiver, final Component componentToRepaint) {
		clickReceiver = receiver;
		this.keyReceiver = keyReceiver;
		this.componentToRepaint = componentToRepaint;
	}

	@Override
	public void mouseClicked(final MouseEvent e) {
		if (clickReceiver == null) {
			return;
		}
		clickReceiver.click(e.getX(), e.getY());
		repaint();
	}

	private void repaint() {
		if (componentToRepaint != null) {
			componentToRepaint.repaint();
		}
	}

	@Override
	public void mousePressed(final MouseEvent e) {
	}

	@Override
	public void mouseReleased(final MouseEvent e) {
	}

	@Override
	public void mouseEntered(final MouseEvent e) {
	}

	@Override
	public void mouseExited(final MouseEvent e) {
	}

	@Override
	public void keyTyped(final KeyEvent e) {
	}

	@Override
	public void keyPressed(final KeyEvent e) {
		if (keyReceiver == null) {
			return;
		}
		keyReceiver.key(e.getKeyCode());
		repaint();
	}

	@Override
	public void keyReleased(final KeyEvent e) {
	}

}