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package OO14route66;
import java.awt.Color;
import java.awt.Graphics;
import javax.swing.JFrame;
import javax.swing.JPanel;
/**
* OO13route66 animation
* @author Pieter Koopman
*
* Yields a graphical view on all cars
*/
public class RoadView extends JFrame
{
JPanel panel; // the panel to draw the cars
public static final int WINDOWSIZE = 600; // the window size
private final Model model; // the model knows the position of cars
/**
* A subclass of JPanel to draw the cars.
* This is a bit of a hack to ensure that this panel is painted correctly.
*/
private class CarPanel extends JPanel {
/**
* Constructor: just call the constructor of the base class
*/
public CarPanel() {
super();
}
/**
* paint the roads and cars
* @param g Graphics to paint on
*/
@Override
public void paint (Graphics g) {
paintRoad(g);
paintCars(g);
}
}
/**
* The constructor of RoadView
* @param model
*/
RoadView(Model model) {
super("Route66 traffic simulator");
this.model = model;
setSize(WINDOWSIZE, WINDOWSIZE);
setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
panel = new CarPanel();
add(panel);
}
/**
* Paint the view of the model graphically
* @param g
*/
@Override
public void paint(Graphics g) {
super.paint(g);
panel.repaint();
}
/**
* Paint all cars
* @param g graphics to draw on
*/
private void paintCars (Graphics g) {
for (int i = 0; i < Model.NUMBEROFCARS; i += 1) {
model.getCar(i).paint(g);
}
}
/**
* Paint the roads
* @param g graphics to draw on
*/
private void paintRoad (Graphics g) {
final int left = (WINDOWSIZE / 2) - Car.CARWIDTH - 4;
final int width = 2 * Car.CARWIDTH + 8;
g.setColor(Color.white); // background
g.fillRect(0, 0, WINDOWSIZE, WINDOWSIZE);
g.setColor(Color.darkGray); // streets
g.fillRect(0, left, WINDOWSIZE, width);
if (Model.DIRECTIONS > 2) { // paint a crossing if there are 4 directions
g.fillRect(left, 0, width, WINDOWSIZE);
}
}
}
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