gamecore/src/mightypork/gamecore/gui/components/input/ClickableComponent.java

package mightypork.gamecore.gui.components.input;


import mightypork.gamecore.gui.Action;
import mightypork.gamecore.gui.HasAction;
import mightypork.gamecore.gui.components.InputComponent;
import mightypork.gamecore.input.events.MouseButtonEvent;
import mightypork.gamecore.input.events.MouseButtonHandler;


public abstract class ClickableComponent extends InputComponent implements HasAction, MouseButtonHandler {

	protected boolean btnDownOver;
	private Action action;


	@Override
	public void setAction(Action action)
	{
		this.action = action;
	}


	protected void triggerAction()
	{
		if (action != null && isEnabled()) action.run();
	}


	@Override
	public void receive(MouseButtonEvent event)
	{
		if (!event.isButtonEvent()) return;

		if (event.isDown()) {
			btnDownOver = event.isOver(this);
		}

		if (event.isUp()) {

			if (btnDownOver && event.isOver(this)) {
				triggerAction();
				event.consume();
			}

			btnDownOver = false;
		}
	}
}