JavaFX/controller/HeaderMenu.java

package controller;

import java.util.ArrayList;

import Interfaces.EventObserver;
import javafx.event.EventHandler;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.FlowPane;

public class HeaderMenu{
	
	/* Data */
	private ArrayList<ImageView> items;
	private FlowPane parent;
	private EventObserver observer;
	
	
	/* Constructor */
	public HeaderMenu(FlowPane p_parent, EventObserver observer){
		this.parent = p_parent;
		this.items = new ArrayList<ImageView>();
		this.observer = observer;
	}

	public void addItem(String p_name, String p_image_uri) {
		
		ImageView menuItem = new ImageView();
		
		menuItem.setImage(new Image(p_image_uri));
		menuItem.setId("header_menu_item_"+p_name);
		menuItem.getStyleClass().add("header_menu_item");
		
		menuItem.setOnMousePressed(new EventHandler<MouseEvent>() {
			@Override
            public void handle(MouseEvent event) {
				HeaderMenu.this.observer.handleEvent(new Classes.Event(menuItem.getId(), "changeMainLayout"));
            }
		});
		
		this.items.add(menuItem);
		// Add to parent
		parent.getChildren().add(menuItem);
	}

}