package OO14route66;

import java.awt.Graphics;
import java.awt.GridLayout;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;

/**
 * OO14route66 initial class
 * @author Pieter Koopman
 */
public class TableView extends JFrame
{
    JPanel panel;
    public static final int WINDOWWITDH = 100 * Model.DIRECTIONS, WINDOWHEIGTH = 200;
    JLabel [] textLabels;
    private final Model model;        // for the positions of the cars

    /**
     * The constructor of TableView
     * @param model containing the position of the cars to display
     * makes a panel with a gridLayout and a JLabel for each car in this panel
     */
    TableView(Model model) {
        super("Route66 table view");
        this.model = model;
        setSize(WINDOWWITDH, WINDOWHEIGTH);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        panel = new JPanel();
        panel.setLayout(new GridLayout(Model.NUMBEROFCARS / Model.DIRECTIONS + 1, Model.DIRECTIONS));

        for (int i = 0; i < Model.DIRECTIONS; i += 1) { // make table headings
            panel.add(new JLabel(Direction.intToDirection(i).toString()));
        }

        textLabels = new JLabel[Model.NUMBEROFCARS];    // make car info
        for (int c = 0; c < Model.NUMBEROFCARS; c += 1) {
            textLabels[c] = new JLabel(label(c));
            panel.add(textLabels[c]);
        }
        add(panel);
    }

    /**
     * update the JLabel for each car
     * @param g
     */
    @Override
    public void paint(Graphics g) {
	super.paint(g);
        for (int c = 0; c < Model.NUMBEROFCARS; c += 1) {
            textLabels[c].setText(label(c));
        }
    }

    /**
     * create a label for the given car number
     * @param c: car number
     * @return string representing the car information
     */
    private String label(int c) {
        return c + ": " + model.getCar(c).getLocation();
    }
}