package gui;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

import commandSystem.ElevatorListener;
import commandSystem.Direction;


@SuppressWarnings("serial")
class FloorPanels extends JPanel {
	private int nbFloors;
	private JPanel[] floors;

	public FloorPanels(int nbFloors, ElevatorListener l) {
		this.nbFloors = nbFloors;
		floors = new JPanel[nbFloors];
		this.setLayout(new BoxLayout(this, BoxLayout.PAGE_AXIS));
		this.add(new JLabel("Call."));
		for (int i = nbFloors-1; i >= 0; i--) {
			floors[i] = new JPanel();
			floors[i].setLayout(new BoxLayout(floors[i], BoxLayout.LINE_AXIS));
			floors[i].add(new JLabel("" + i));
			floors[i].add(Box.createRigidArea(new Dimension(5, 0)));
			if (i < nbFloors - 1) {
				final int j = i;
				JButton upButton = new JButton("↑");
				upButton.addActionListener(new ActionListener() {
						public void actionPerformed(ActionEvent e) {
							l.floorCall(j, Direction.UP);
						}
					});
				floors[i].add(upButton);
				floors[i].add(Box.createRigidArea(new Dimension(5, 0)));
			}
			if (i > 0) {
				final int j = i;
				JButton downButton = new JButton("↓");
				downButton.addActionListener(new ActionListener() {
						public void actionPerformed(ActionEvent e) {
							l.floorCall(j, Direction.DOWN);
						}
					});
				floors[i].add(downButton);
			}
			this.add(floors[i]);
			this.add(Box.createRigidArea(new Dimension(0, 5)));
		}
	}
}