Лабораторная работа №1

src/CanvasExcavator.java

@@ -0,0 +1,16 @@
+import javax.swing.*;
+import java.awt.*;
+
+public class CanvasExcavator extends JComponent{
+    public DrawingExcavator _drawingExcavator;
+    public CanvasExcavator(){}
+    public void paintComponent(Graphics g){
+        if(_drawingExcavator == null){
+            return;
+        }
+        super.paintComponent(g);
+        Graphics2D g2d = (Graphics2D) g;
+        _drawingExcavator.DrawTransport(g2d);
+        super.repaint();
+    }
+}

src/DirectionType.java

@@ -0,0 +1,6 @@
+public enum DirectionType {
+    Up,
+    Down,
+    Left,
+    Right
+}

src/DrawingExcavator.java

@@ -0,0 +1,207 @@
+
+import java.awt.*;
+import java.util.Random;
+
+public class DrawingExcavator {
+    private EntityExcavator EntityExcavator;              // Класс-сущность
+    public DrawingRollers drawingRollers = null;
+
+    private Integer _startPosX;                       // Левая координата отрисовки
+    private Integer _startPosY;                       // Верхняя координата отрисовки
+    private Integer _pictureWidth;           // Ширина окна отрисовки
+    private Integer _pictureHeight;          // Высота окна отрисовки
+    private final int _drawingExcWidth = 120;          // Ширина отрисовки трактора
+    private final int _drawingExcHeight = 70;         // Высота отрисовки трактора
+
+
+
+    // Инициализация свойств
+    public void Init(int speed, double weight, Color bodyColor, Color additionalColor, boolean prop, boolean ladle){
+        EntityExcavator = new EntityExcavator();
+        EntityExcavator.Init(speed, weight, bodyColor, additionalColor, prop, ladle);
+        _pictureWidth = null;
+        _pictureHeight = null;
+        _startPosX = null;
+        _startPosY = null;
+        drawingRollers = new DrawingRollers();
+        drawingRollers.setRollersCount((int)(Math.random() * 4));
+    }
+
+    // Смена границ формы отрисовки
+    public void SetPictureSize(int width, int height)
+    {
+        if (_drawingExcWidth > width || _drawingExcHeight > height)
+        {
+            return;
+        }
+
+        if (_startPosX != null && _startPosY != null) {
+            if (_startPosX < 0) { _startPosX = 0; }
+            if (_startPosX + _drawingExcWidth > width) { _startPosX = width - _drawingExcWidth; }
+            if (_startPosY < 0) { _startPosY = 0; }
+            if (_startPosY + _drawingExcHeight > height) { _startPosY = height - _drawingExcHeight; }
+        }
+        _pictureWidth = width;
+        _pictureHeight = height;
+    }
+
+    //Установка позиции Экскаватора
+    public void SetPosition(int x, int y){
+        if (_pictureWidth == null || _pictureHeight == null)
+        {
+            return;
+        }
+
+        if (x + _drawingExcWidth > _pictureWidth || x < 0) {
+            Random random = new Random();
+            _startPosX = random.nextInt(_pictureWidth - _drawingExcWidth);
+        }
+        else {
+            _startPosX = x;
+        }
+
+        if (y + _drawingExcHeight > _pictureHeight || y < 0) {
+            Random random = new Random();
+            _startPosY = random.nextInt(_pictureHeight - _drawingExcHeight);
+        }
+        else {
+            _startPosY = y;
+        }
+    }
+
+    // Изменение направления движения
+    public boolean MoveTransport(DirectionType direction){
+        if (EntityExcavator == null || _startPosX == null || _startPosY == null){
+            return false;
+        }
+        switch (direction) {
+            case Left:
+                if (_startPosX - EntityExcavator.Step > 0) {
+                    _startPosX -= (int) EntityExcavator.Step;
+                }
+                return true;
+            case Up:
+                if (_startPosY - EntityExcavator.Step > 0) {
+                    _startPosY -= (int) EntityExcavator.Step;
+                }
+                return true;
+            case Right:
+                if (_startPosX + EntityExcavator.Step < _pictureWidth - _drawingExcWidth) {
+                    _startPosX += (int) EntityExcavator.Step;
+                }
+                return true;
+            case Down:
+                if (_startPosY + EntityExcavator.Step < _pictureHeight - _drawingExcHeight) {
+                    _startPosY += (int) EntityExcavator.Step;
+                }
+                return true;
+            default:
+                return false;
+        }
+    }
+
+    // Отрисовка Экскаватора
+    public void DrawTransport(Graphics2D g){
+        if (EntityExcavator == null || _startPosX == null || _startPosY == null){
+            return;
+        }
+
+        // Границы экскаватора
+        g.setColor(Color.BLACK);
+        g.drawRect(_startPosX + 20, _startPosY + 25, 60, 20); // главная нижняя
+        g.drawRect(_startPosX + 35, _startPosY + 10, 5, 15);
+        g.drawRect(_startPosX + 55, _startPosY + 3, 22, 22); // кабина
+
+        g.setColor(EntityExcavator.getBodyColor());
+        g.fillRect(_startPosX + 21, _startPosY + 26, 59, 19);
+        g.fillRect(_startPosX + 36, _startPosY + 11, 4, 14);
+
+        g.setColor(Color.cyan);
+        g.fillRect(_startPosX + 56, _startPosY + 4, 21, 21);
+
+        // Гусеница
+        g.setColor(Color.BLACK);
+        g.drawRect(_startPosX + 24, _startPosY + 47, 48, 17);
+
+        // Основные катки
+        g.setColor(Color.BLACK);
+        g.drawOval(_startPosX + 15, _startPosY + 47, 17, 17);
+        g.drawOval(_startPosX + 63, _startPosY + 47, 17, 17);
+
+        g.setColor(EntityExcavator.getBodyColor());
+        g.fillOval(_startPosX + 15, _startPosY + 47, 17, 17);
+        g.fillOval(_startPosX + 63, _startPosY + 47, 17, 17);
+
+        // Малые катки
+        g.setColor(Color.BLACK);
+        g.drawOval(_startPosX + 40, _startPosY + 48, 5, 5);
+        g.drawOval(_startPosX + 50, _startPosY + 48, 5, 5);
+
+        g.setColor(EntityExcavator.getBodyColor());
+        g.fillOval(_startPosX + 40, _startPosY + 48, 5, 5);
+        g.fillOval(_startPosX + 50, _startPosY + 48, 5, 5);
+
+        if (EntityExcavator.getProp()){
+            g.setColor(Color.BLACK);
+            //Опоры
+            //справа
+            g.drawRect(_startPosX + 80, _startPosY + 40, 11, 3);
+            g.drawRect(_startPosX + 87, _startPosY + 43, 5, 25);
+            g.drawRect(_startPosX + 84, _startPosY + 68, 11, 3);
+
+            //слева
+            g.drawRect(_startPosX + 6, _startPosY + 40, 13, 3);
+            g.drawRect(_startPosX + 4, _startPosY + 43, 5, 25);
+            g.drawRect(_startPosX + 1, _startPosY + 68, 11, 3);
+
+            g.setColor(EntityExcavator.getAdditionalColor());
+            //покраска справа
+            g.fillRect(_startPosX + 81, _startPosY + 41, 10, 2);
+            g.fillRect(_startPosX + 88, _startPosY + 44, 4, 24);
+            g.fillRect(_startPosX + 85, _startPosY + 69, 10, 2);
+
+            //покраска слева
+            g.fillRect(_startPosX + 7, _startPosY + 41, 12, 2);
+            g.fillRect(_startPosX + 5, _startPosY + 44, 4, 24);
+            g.fillRect(_startPosX + 2, _startPosY + 69, 10, 2);
+        }
+
+        if(EntityExcavator.getLadle()){
+            g.setColor(Color.BLACK);
+            //Ковш
+            //ковш(стрела)
+            g.drawRect(_startPosX + 77, _startPosY + 17, 14, 8);
+            g.drawRect(_startPosX + 91, _startPosY + 9, 20, 7);
+            g.drawRect(_startPosX + 111, _startPosY + 17, 9, 20);
+
+            int[] pointsLadleX = {_startPosX + 120, _startPosX + 104, _startPosX + 120};
+            int[] pointsLadleY = {_startPosY + 37, _startPosY + 54, _startPosY + 54};
+
+            Polygon Ladle = new Polygon(pointsLadleX, pointsLadleY, 3);
+            g.drawPolygon(Ladle);
+            g.setColor(EntityExcavator.getAdditionalColor());
+            g.fillPolygon(Ladle);
+            //покраска
+            g.fillRect(_startPosX + 78, _startPosY + 18, 13, 7);
+            g.fillRect(_startPosX + 92, _startPosY + 10, 19, 6);
+            g.fillRect(_startPosX + 112, _startPosY + 18, 8, 19);
+        }
+        int x = _startPosX;
+        if (drawingRollers.getRollersCount() != null){
+            switch (drawingRollers.getRollersCount()){
+                case OneRoller:
+                    drawingRollers.DrawRollers(g,x + 34, _startPosY + 55, 8, 8, EntityExcavator.getBodyColor());
+                    break;
+                case TwoRollers:
+                    drawingRollers.DrawRollers(g,x + 34, _startPosY + 55, 8, 8, EntityExcavator.getBodyColor());
+                    drawingRollers.DrawRollers(g,x + 44, _startPosY + 55, 8, 8, EntityExcavator.getBodyColor());
+                    break;
+                case ThreeRollers:
+                    drawingRollers.DrawRollers(g,x + 34, _startPosY + 55, 8, 8, EntityExcavator.getBodyColor());
+                    drawingRollers.DrawRollers(g,x + 44, _startPosY + 55, 8, 8, EntityExcavator.getBodyColor());
+                    drawingRollers.DrawRollers(g,x + 54, _startPosY + 55, 8, 8, EntityExcavator.getBodyColor());
+                    break;
+            }
+        }
+    }
+}

src/DrawingRollers.java

@@ -0,0 +1,24 @@
+import java.awt.*;
+
+public class DrawingRollers {
+    private RollersCount rollersCount;
+    public void setRollersCount(int numOfRoller){
+        for (RollersCount numofenum : RollersCount.values()){
+            if (numofenum.getNumOfRollers() == numOfRoller){
+                rollersCount = numofenum;
+                return;
+            }
+        }
+    }
+
+    public RollersCount getRollersCount(){
+        return rollersCount;
+    }
+    public void DrawRollers(Graphics g, int x, int y, int width, int height, Color bodyColor){
+        g.setColor(bodyColor);
+        g.fillOval(x, y, width, height);
+        g.setColor(Color.BLACK);
+        g.drawOval(x, y, width, height);
+        g.setColor(bodyColor);
+    }
+}

src/EntityExcavator.java

@@ -0,0 +1,32 @@
+import java.awt.*;
+
+public class EntityExcavator {
+    private Integer Speed;
+    private Double Weight;
+    private Color BodyColor;
+    public Color getBodyColor() {
+        return BodyColor;
+    }
+    private Color AdditionalColor;
+    public Color getAdditionalColor(){
+        return AdditionalColor;
+    }
+    private boolean Prop;
+    public boolean getProp(){
+        return Prop;
+    }
+    private boolean Ladle;
+    public boolean getLadle(){
+        return Ladle;
+    }
+    public double Step;
+    public void Init(int speed, double weight, Color bodyColor, Color additionalColor, boolean prop, boolean ladle){
+        Speed = speed;
+        Weight = weight;
+        BodyColor = bodyColor;
+        AdditionalColor = additionalColor;
+        Prop = prop;
+        Ladle = ladle;
+        Step = Speed * 100 / Weight;
+    }
+}

src/FormExcavator.java

@@ -0,0 +1,123 @@
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.ComponentAdapter;
+import java.awt.event.ComponentEvent;
+import java.util.Random;
+
+public class FormExcavator extends JFrame {
+    private String title;
+    private Dimension dimension;
+    private int Width, Height;
+    private CanvasExcavator canvasExcavator = new CanvasExcavator();
+    private JButton CreateButton = new JButton("Создать");
+    private JButton UpButton = new JButton();
+    private JButton DownButton = new JButton();
+    private JButton LeftButton = new JButton();
+    private JButton RightButton = new JButton();
+    public FormExcavator(String title, Dimension dimension) {
+        this.title = title;
+        this.dimension = dimension;
+    }
+    public void Init() {
+        setTitle(title);
+        setMinimumSize(dimension);
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        Width = getWidth() - 15;
+        Height = getHeight() - 35;
+
+        CreateButton.setName("Create");
+        Icon iconUp = new ImageIcon("res/up.png");
+        UpButton.setIcon(iconUp);
+        UpButton.setName("Up");
+        DownButton.setName("Down");
+        Icon iconDown = new ImageIcon("res/down.png");
+        DownButton.setIcon(iconDown);
+        LeftButton.setName("Left");
+        Icon iconLeft = new ImageIcon("res/left.png");
+        LeftButton.setIcon(iconLeft);
+        RightButton.setName("Right");
+        Icon iconRight = new ImageIcon("res/right.png");
+        RightButton.setIcon(iconRight);
+
+        CreateButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                int StartPositionX = (int)(Math.random() * 90 + 10);
+                int StartPositionY = (int)(Math.random() * 90 + 10);
+                int speed = (int)(Math.random() * 300 + 100);
+                double weight = (Math.random() * 3000 + 1000);
+                Color bodyColor = new Color((int)(Math.random() * 255 + 0),(int)(Math.random() * 255 + 0),(int)(Math.random() * 255 + 0));
+                Color additionalColor = new Color((int)(Math.random() * 255 + 0),(int)(Math.random() * 255 + 0),(int)(Math.random() * 255 + 0));
+                boolean sheepPipes = new Random().nextBoolean();
+                boolean fuelTank = new Random().nextBoolean();
+                canvasExcavator._drawingExcavator = new DrawingExcavator();
+                canvasExcavator._drawingExcavator.Init(speed, weight, bodyColor, additionalColor, sheepPipes, fuelTank);
+                canvasExcavator._drawingExcavator.SetPictureSize(Width, Height);
+                canvasExcavator._drawingExcavator.SetPosition( StartPositionX, StartPositionY);
+                canvasExcavator.repaint();
+            }
+        });
+
+        ActionListener actionListener = new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent event) {
+                if (canvasExcavator._drawingExcavator == null) return;
+                boolean result = false;
+                switch ((((JButton)(event.getSource())).getName())) {
+                    case "Up":
+                        result = canvasExcavator._drawingExcavator.MoveTransport(DirectionType.Up);
+                        break;
+                    case "Down":
+                        result = canvasExcavator._drawingExcavator.MoveTransport(DirectionType.Down);
+                        break;
+                    case "Left":
+                        result = canvasExcavator._drawingExcavator.MoveTransport(DirectionType.Left);
+                        break;
+                    case "Right":
+                        result = canvasExcavator._drawingExcavator.MoveTransport(DirectionType.Right);
+                        break;
+                }
+                if (result) {
+                    canvasExcavator.repaint();
+                }
+            }
+        };
+        UpButton.addActionListener(actionListener);
+        DownButton.addActionListener(actionListener);
+        LeftButton.addActionListener(actionListener);
+        RightButton.addActionListener(actionListener);
+
+        setSize(dimension.width,dimension.height);
+        setLayout(null);
+        canvasExcavator.setBounds(0,0, getWidth(), getHeight());
+        CreateButton.setBounds(10, getHeight() - 90, 100, 35);
+        UpButton.setBounds(getWidth() - 110, getHeight() - 135, 35, 35);
+        DownButton.setBounds(getWidth() - 110, getHeight() - 85, 35, 35);
+        RightButton.setBounds(getWidth() - 60, getHeight() - 85, 35, 35);
+        LeftButton.setBounds(getWidth() - 160, getHeight() - 85, 35, 35);
+        add(CreateButton);
+        add(UpButton);
+        add(DownButton);
+        add(RightButton);
+        add(LeftButton);
+        add(canvasExcavator);
+        setVisible(true);
+        //обработка события изменения размеров окна
+        addComponentListener(new ComponentAdapter() {
+            public void componentResized(ComponentEvent e) {
+                Width = getWidth() - 15;
+                Height = getHeight() - 35;
+                if (canvasExcavator._drawingExcavator != null)
+                    canvasExcavator._drawingExcavator.SetPictureSize(Width, Height);
+                canvasExcavator.setBounds(0,0, getWidth(), getHeight());
+                CreateButton.setBounds(10, getHeight() - 90, 100, 35);
+                UpButton.setBounds(getWidth() - 110, getHeight() - 135, 35, 35);
+                DownButton.setBounds(getWidth() - 110, getHeight() - 85, 35, 35);
+                RightButton.setBounds(getWidth() - 60, getHeight() - 85, 35, 35);
+                LeftButton.setBounds(getWidth() - 160, getHeight() - 85, 35, 35);
+            }
+        });
+    }
+}

src/Main.java

@@ -1,5 +0,0 @@
-public class Main {
-    public static void main(String[] args) {
-        System.out.println("Hello world!");
-    }
-}

src/Program.java

@@ -0,0 +1,9 @@
+import java.awt.*;
+
+public class Program {
+    public static void main(String[] args) {
+        FormExcavator form = new FormExcavator("Экскаватор", new Dimension(700, 500));
+        form.Init();
+        form.setLocationRelativeTo(null);
+    }
+}

src/RollersCount.java

@@ -0,0 +1,12 @@
+public enum RollersCount {
+    OneRoller(1),
+    TwoRollers(2),
+    ThreeRollers(3);
+    private int numOfRollers;
+    RollersCount(int numOfRollers){
+        this.numOfRollers = numOfRollers;
+    }
+    public int getNumOfRollers(){
+        return numOfRollers;
+    }
+}