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package gui;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.geom.Line2D;
import java.io.IOException;
import java.util.*;
import javax.swing.JPanel;
class View extends JPanel implements Observer {
private static final long serialVersionUID = 1L;
public static final int GRID_SIZE = 30;
public static final int GRID_BORDER = 2;
Model model;
int resFactor;
Font font12, font16;
transient Collection<Bus> buses;
transient Collection<Waypoint> waypoints;
transient Collection<Road> roads;
transient Collection<Passenger> passengers;
int inflow;
Object lock;
View(Model model) throws IOException {
super();
this.model = model;
this.setBackground(Color.WHITE);
font12 = new Font("Lucida Sans Typewriter", Font.BOLD, 12);
font16 = new Font("Lucida Sans Typewriter", Font.BOLD, 16);
lock = new Object();
inflow = 0;
buses = model.getBuses();
waypoints = model.getWaypoints();
roads = model.getRoads();
passengers = model.getPassengers();
this.setLayout(null);
this.setBackground(Color.WHITE);
resFactor = (int)(this.getHeight() / (GRID_SIZE));
}
transient Graphics2D g2;
@Override
public void paintComponent(Graphics g) {
super.paintComponent(g);
g2 = (Graphics2D) g;
g2.setStroke(new BasicStroke(4));
//draw road
double y;
for (Road r : roads) {
if(r.isHighspeed())
g2.setColor(Color.ORANGE);
else
g2.setColor(Color.black);
for(Line2D rp : r.getRoadParts())
{
g2.drawLine(l(rp.getX1()), l(rp.getY1()), l(rp.getX2()), l(rp.getY2()));
//center text on line
y = rp.getY2() - rp.getY1() == 0.0 ? rp.getY1() : (rp.getY2() - rp.getY1()) / 2 + rp.getY1();
if(rp.getX2() - rp.getX1() == 0.0 )
g2.drawString(r.name(), l(rp.getX1()) + 5, l(y) );
else
g2.drawString(r.name(), l((rp.getX2() - rp.getX1()) / 2 + rp.getX1()) -7, l(y) - 5);
}
}
//draw waypoints
for (Waypoint wp : waypoints) {
if(wp.IsStop())
g2.setColor(Color.orange);
else
g2.setColor(Color.black);
g2.drawRoundRect(l(wp.X()) -4 , l(wp.Y()) - 4, 8, 8, 10, 10);
g2.drawString(wp.Name(), l(wp.X()) + 5, l(wp.Y()) - 5);
}
//draw passengers waiting
//these positions fit
double h = 0, v = 0;
synchronized (lock) {
for (Passenger p : passengers) {
if(p.isAnnoyed())
g2.setColor(Color.RED);
else
g2.setColor(Color.GREEN);
if(p.isOnBus())
g2.fillOval(l(21.4), l(2 + v), 10, 10);
else
g2.fillOval(l(22.5 + h), l(2 + v), 10, 10);
//calc grid
v += 0.5;
//start new row a 5 vertical
if(v % 5 == 0){
h += 0.5;
v = 0;
//limit to 5 horizontal rows
if(h >= 5) break;
}
}
}
//draw buses
int bX, bY;
Point p;
g2.setFont(font12);
for (Bus b : buses) {
g2.setColor(Color.RED);
p = b.getBusPosition();
bX = l(p.getX());
bY = l(p.getY());
g2.fillRect(bX - 7, bY - 7, 15, 15);
g2.setColor(Color.black);
g2.drawString("Pass: " + b.passengerCount(), bX +5,bY -10);
g2.drawString(Integer.toString(b.lineNr()), bX - 5, bY +5);
}
g2.setFont(font16);
g2.drawString("Inflow: " + inflow, this.getWidth() / 2, this.getHeight() );
}
public void update(Observable obs, Object arg) {
if(arg == null) return;
//window resize
if(arg == "limits"){
resFactor = (int) (this.getWidth() / (GRID_SIZE));
} else if(arg == "passengerAdded"){
synchronized (lock) {
passengers = model.getPassengers();
}
repaint();
} else if(arg == "passengerAnnoyed"){
repaint();
} else if(arg == "passengerGotOnBus"){
repaint();
} else if(arg == "inflowChanged"){
inflow = model.getInflow();
repaint();
} else if(arg == "move"){
buses = model.getBuses();
repaint();
} else if (arg == "busStopping"){
repaint();
} else if (arg == "busAdded"){
repaint();
} else if (arg == "busPassengerCount"){
repaint();
} else if (arg == "planUpdated"){
waypoints = model.getWaypoints();
roads = model.getRoads();
repaint();
}
}
private int l(double steps)
{
return (int) (GRID_BORDER * resFactor + resFactor * Math.abs(steps));
}
}
¤ Dauer der Verarbeitung: 0.17 Sekunden
(vorverarbeitet)
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