package jcgp.gui.handlers;

import javafx.event.EventHandler;
import javafx.scene.input.MouseEvent;
import jcgp.backend.population.Gene;
import jcgp.gui.population.GUIConnection;
import jcgp.gui.population.GUIGene.GUIGeneState;
import jcgp.gui.population.GUIOutput;

public final class OutputHandlers {

	private static EventHandler<MouseEvent> mouseEnteredHandler = new EventHandler<MouseEvent>() {
		@Override
		public void handle(MouseEvent event) {
			// acquire the source, we can safely cast it to GUIOutput
			GUIOutput source = (GUIOutput) event.getSource();

			source.setState(GUIGeneState.HOVER);
			((GUIConnection) ((Gene) source.getOutput().getSource()).getGUIObject()).setStateRecursively(GUIGeneState.ACTIVE_HOVER);
		}
	};

	private static EventHandler<MouseEvent> mouseExitedHandler = new EventHandler<MouseEvent>() {
		@Override
		public void handle(MouseEvent event) {
			// acquire the source, we can safely cast it to GUIOutput
			GUIOutput source = (GUIOutput) event.getSource();

			source.setState(GUIGeneState.NEUTRAL);
			((GUIConnection) ((Gene) source.getOutput().getSource()).getGUIObject()).setStateRecursively(GUIGeneState.NEUTRAL);
		}
	};

	public static void addHandlers(GUIOutput output) {
		output.addEventHandler(MouseEvent.MOUSE_ENTERED, mouseEnteredHandler);
		output.addEventHandler(MouseEvent.MOUSE_EXITED, mouseExitedHandler);
	}

}