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/*
* The MIT License (MIT)
*
* Copyright (c) 2015 Camil Staps <info@camilstaps.nl>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.camilstaps.route66;
import java.awt.Color;
import java.awt.Graphics;
import javax.swing.JFrame;
import javax.swing.JPanel;
/**
* OO13route66 animation
*
* Yields a graphical view on all cars
*
* @author Pieter Koopman, Camil Staps
*/
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 = getStartCrossing();
final int width = getEndCrossing() - left;
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);
}
}
/**
* Get the relevant half of the coordinate where the crossing starts
* @return
*/
public static int getStartCrossing() {
return (WINDOWSIZE / 2) - Car.CARWIDTH - 4;
}
/**
* Get the relevant half of the coordinate where the crossing ends
* @return
*/
public static int getEndCrossing() {
return getStartCrossing() + 2 * Car.CARWIDTH + 8;
}
}
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