create incomplete GUI

src/main/java/elevator/GUI/Building.java

+package elevator.GUI;
+
+import java.awt.*;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Random;
+import javax.swing.JPanel;
+import javax.swing.Timer;
+
+public class Building extends JPanel
+{
+    /**
+	 * 
+	 */
+	private static final long serialVersionUID = 1L;
+	private Timer timer;
+    private boolean isRunning;
+    private int counter;
+    private int timeElapsedInSecs;
+    
+    private Elevator elevator1;
+    private Elevator elevator2;
+    private List<Floor> floors;
+    
+    private Random random;
+    
+    public Building(int refreshRate)
+    {
+        this.isRunning = false;
+        this.counter = 0;
+        this.timeElapsedInSecs = 0;
+        
+        elevator1 = new Elevator(100, 400);
+        elevator2 = new Elevator(250, 400);
+
+        floors = Collections.synchronizedList(new ArrayList());
+        
+        for (int i = 0; i < 5; i++)
+        {
+            floors.add(new Floor(100, 200, 250, 350, 100 * (5 - i), 750, i));
+        }
+        
+        random = new Random();
+        
+        timer = new Timer(refreshRate, (e) -> {
+            
+            counter += refreshRate;
+            
+            if (counter / 1000 == 1)
+            {
+                counter = 0;
+                ++timeElapsedInSecs;
+                
+
+            }
+            
+            if (isRunning)
+            {
+                repaint();
+            }
+        });
+        
+        timer.start();
+    }
+    
+    public Building()
+    {
+        this(10);
+    }
+    
+    public void start()
+    {
+        if (!isRunning)
+        {
+            isRunning = true;
+        }
+    }
+    
+    public void stop()
+    {
+        if (isRunning)
+        {
+            isRunning = false;
+        }
+    }
+    
+
+
+    
+    @Override
+    protected void paintComponent(Graphics g)
+    {
+        super.paintComponent(g);
+       // this.setBackground(Color.WHITE);
+        
+        for (Floor floor : floors)
+        {
+            floor.draw(g);
+        }
+        
+        elevator1.draw(g);
+
+    }
+}

src/main/java/elevator/GUI/Elevator.java

+package elevator.GUI;
+import java.awt.Color;
+import java.awt.Graphics;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+
+public class Elevator
+{
+    private int xAxis;
+    private int yAxis;
+    private int width;
+    private int height;
+    private int doorWidth;
+    private int floor;
+
+
+
+    
+    public Elevator(int xAxis, int yAxis)
+    {
+        this(xAxis, yAxis, 100, 100, 0);
+    }
+    
+    public Elevator(int xAxis, int yAxis, int width, int height, int floor)
+    {
+        this.xAxis = xAxis;
+        this.yAxis = yAxis;
+        this.width = width;
+        this.height = height;
+        this.doorWidth = width / 2;
+        this.floor = floor;
+
+    }
+    
+    public void draw(Graphics g)
+    {
+
+        g.drawRect(xAxis, yAxis, width, height);
+        g.setColor(Color.WHITE);
+        g.fillRect(xAxis, yAxis, doorWidth, height);
+        g.fillRect(xAxis + width - doorWidth, yAxis, doorWidth, height);
+        g.setColor(Color.BLACK);
+        g.drawRect(xAxis, yAxis, doorWidth, height);
+        g.drawRect(xAxis + width - doorWidth, yAxis, doorWidth, height);
+
+    }
+    
+
+
+    
+
+
+    
+    public int getFloor()
+    {
+        return this.floor;
+    }
+    public int getX()
+    {
+        return this.xAxis;
+    }
+    
+    public int getY()
+    {
+        return this.yAxis;
+    }
+
+}
\ No newline at end of file

src/main/java/elevator/GUI/Floor.java

+package elevator.GUI;
+import java.awt.Color;
+import java.awt.Graphics;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+
+public class Floor
+{
+    private int x1;
+    private int x2;
+    private int x3;
+    private int x4;
+    private int y;
+    private int l;
+    private int floor;
+
+    public Floor(int x1, int x2, int x3, int x4, int y, int l, int floor)
+    {
+        this.x1 = x1;
+        this.x2 = x2;
+        this.x3 = x3;
+        this.x4 = x4;
+        this.y = y;
+        this.l = l;
+        this.floor = floor;
+
+    }
+    
+    public void draw(Graphics g)
+    {
+        g.drawLine(0, y, x1, y);
+        g.drawLine(x2, y, x3, y);
+        g.drawLine(x4, y, x3,y);
+        
+        g.setColor(Color.LIGHT_GRAY);
+        
+        g.fillRect(222, y - 50, 8, 10);
+       // g.fillRect(372, y - 50, 8, 10);
+        
+        g.drawLine(x1, y, x2, y);
+//        g.drawLine(x3, y, x4, y);
+        
+        g.setColor(Color.BLACK);
+        
+        g.drawString("Etage " + floor, 30, y - 45);
+
+
+
+    }
+    
+
+    
+    public int getFloor()
+    {
+        return this.floor;
+    }
+    
+
+}
\ No newline at end of file

src/main/java/elevator/GUI/Main.java

+package elevator.GUI;
+
+
+import java.awt.*;
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+
+public class Main
+{
+    private final JFrame frame;
+    private final JPanel panel1;
+    private final JPanel panel2;
+    private final JButton btnStart;
+    private final JButton btnStop;
+    private Building building;
+    
+    public Main()
+    {
+        building = new Building();
+        building.setBounds(0, 0, 750, 500);
+        
+        btnStart = new JButton("Start");
+        btnStart.setBounds(290, 512, 80, 25);
+        btnStart.setFocusPainted(false);
+        btnStart.addActionListener((e) -> {
+            building.start();
+            System.out.println("pressed start");
+        });
+        
+        btnStop = new JButton("Stop");
+        btnStop.setBounds(380, 512, 80, 25);
+        btnStop.setFocusPainted(false);
+        btnStop.addActionListener((e) -> {
+            building.stop();
+            System.out.println("pressed stop");
+        });
+
+
+        
+        panel1 = new JPanel(null);
+        //w=750
+        panel1.setPreferredSize(new Dimension(750, 550));
+        panel1.add(building);
+        panel1.add(btnStart);
+        panel1.add(btnStop);
+
+        //test
+        // Tạo panel con 2 và đặt vị trí của nó
+        panel2 = new JPanel();
+        panel2.setBackground(Color.BLUE);
+        panel2.setBounds(150, 150, 100, 100); // Đặt vị trí và kích thước của panel2
+        panel1.add(panel2);
+        
+        frame = new JFrame("Elevator Simulator");
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setAlwaysOnTop(true);
+        frame.setResizable(false);
+        frame.add(panel1);
+        frame.pack();
+        frame.setVisible(true);
+    }
+    
+    public static void main(String[] args)
+    {
+        Main main = new Main();
+    }
+}