PIbd-22_Smirnov_A_A_RoadTrain_HARD/FormRoadTrain.java

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Random;

public class FormRoadTrain {
    private DrawingRoadTrain _drawingRoadTrain;
    Canvas canv;
    public void Draw(){
        canv.repaint();
    }
    public FormRoadTrain(){
        JFrame w=new JFrame ("RoadTrain");
        JButton buttonCreate = new JButton("Create");
        buttonCreate.setBorderPainted(false);
        buttonCreate.setContentAreaFilled(false);
        buttonCreate.setFont(new Font("Arial", Font.PLAIN, 20));
        JButton up = new JButton();
        up.setBorderPainted(false);
        up.setContentAreaFilled(false);
        up.setName("up");
        Image img_up = new ImageIcon("images/up.png").getImage();
        Image newImg_up = img_up.getScaledInstance(20, 20,  java.awt.Image.SCALE_SMOOTH);
        up.setIcon(new ImageIcon(newImg_up));

        JButton down = new JButton();
        down.setBorderPainted(false);
        down.setContentAreaFilled(false);
        down.setName("down");
        Image img_down = new ImageIcon("images/down.png").getImage();
        Image newImg_down = img_down.getScaledInstance(20, 20,  java.awt.Image.SCALE_SMOOTH);
        down.setIcon(new ImageIcon(newImg_down));

        JButton left = new JButton();
        left.setBorderPainted(false);
        left.setContentAreaFilled(false);
        left.setName("left");
        Image img_left = new ImageIcon("images/left.png").getImage();
        Image newImg_left = img_left.getScaledInstance(20, 20,  java.awt.Image.SCALE_SMOOTH);
        left.setIcon(new ImageIcon(newImg_left));

        JButton right = new JButton();
        right.setBorderPainted(false);
        right.setContentAreaFilled(false);
        right.setName("right");
        Image img_right = new ImageIcon("images/right.png").getImage();
        Image newImg_right = img_right.getScaledInstance(20, 20,  java.awt.Image.SCALE_SMOOTH);
        right.setIcon(new ImageIcon(newImg_right));

        buttonCreate.addActionListener(
                new ActionListener() {
                    public void actionPerformed(ActionEvent e){
                        Random random = new Random();
                        _drawingRoadTrain = new DrawingRoadTrain();
                        _drawingRoadTrain.Init(random.nextInt(100, 300), random.nextInt(1000, 3000),
                                new Color(random.nextInt(0, 256), random.nextInt(0, 256), random.nextInt(0, 256)),
                                new Color(random.nextInt(0, 256), random.nextInt(0, 256), random.nextInt(0, 256)),
                                random.nextInt(0, 2) == 1, random.nextInt(0, 2) == 1,random.nextInt(0, 2) == 1,
                                random.nextInt(1, 4), 1000, 560);
                        _drawingRoadTrain.SetPosition(random.nextInt(10, 100), random.nextInt(10, 100));
                        canv._drawingRoadTrain = _drawingRoadTrain;
                        Draw();
                    }
                }
        );
        ActionListener actioListener = new ActionListener() {
            public void actionPerformed(ActionEvent e){
                if (_drawingRoadTrain == null)
                {
                    return;
                }
                switch(((JButton)(e.getSource())).getName()){
                    case "up":
                        _drawingRoadTrain.MoveTransport(Direction.Up);
                        break;
                    case "down":
                        _drawingRoadTrain.MoveTransport(Direction.Down);
                        break;
                    case "left":
                        _drawingRoadTrain.MoveTransport(Direction.Left);
                        break;
                    case "right":
                        _drawingRoadTrain.MoveTransport(Direction.Right);
                        break;
                }
                Draw();
            }
        };
        up.addActionListener(actioListener);
        down.addActionListener(actioListener);
        left.addActionListener(actioListener);
        right.addActionListener(actioListener);

        w.setSize (1000, 600);
        w.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
        w.setLayout(null);
        canv = new Canvas();
        canv.setBounds(0, 0, 1000, 600);
        buttonCreate.setBounds(30, 500, 100, 30);
        up.setBounds(880, 450, 20, 20);
        down.setBounds(880, 510, 20, 20);
        left.setBounds(850, 480, 20, 20);
        right.setBounds(910, 480, 20, 20);
        w.add(canv);
        w.add(buttonCreate);
        w.add(up);
        w.add(down);
        w.add(left);
        w.add(right);
        w.setVisible (true);
    }
}

class Canvas extends JComponent{
    public DrawingRoadTrain _drawingRoadTrain;
    public Canvas(){
    }
    public void paintComponent (Graphics g){
        if (_drawingRoadTrain == null){
            return;
        }
        super.paintComponents (g) ;
        Graphics2D g2d = (Graphics2D)g;
        _drawingRoadTrain.DrawTransport(g2d);
        super.repaint();
    }
}