1. Создание формы FormArmoredCarConfig и добавление доп логики в классы объектов

src/main/java/DrawingArmoredCar.java

@@ -40,11 +40,19 @@ public class DrawingArmoredCar {
         this.carWidth = carWidth;
         this.carHeight = carHeight;
     }
+    public IDrawingCaterpillar GetCaterpillars() {
+        return drawingCaterpillar;
+    }
 
     public void SetCaterpillar(IDrawingCaterpillar caterpillar) {
         this.drawingCaterpillar = caterpillar;
     }
 
+    public void SetColor(Color color) {
+        armoredCar = new EntityArmoredCar(armoredCar.getSpeed(), armoredCar.getWeight(), color);
+        drawingCaterpillar.setColor(color);
+    }
+
     public void SetPosition(int x, int y, int width, int height) {
         if (x >= 0 && y >= 0 && x + carWidth < width && y + carHeight < height) {
             startPosX = x;

src/main/java/DrawingCaterpillar.java

@@ -33,4 +33,9 @@ public class DrawingCaterpillar implements IDrawingCaterpillar {
             g2d.fillOval(startPosX + dist * i, startPosY + 30, size, size);
         }
     }
+
+    @Override
+    public void setColor(Color color) {
+        this.color = color;
+    }
 }

src/main/java/DrawingCrossCaterpillar.java

@@ -39,4 +39,9 @@ public class DrawingCrossCaterpillar implements IDrawingCaterpillar{
             g2d.drawLine(startPosX + dist * i + size, startPosY + 30, startPosX + dist * i, startPosY + 30 + size);
         }
     }
+
+    @Override
+    public void setColor(Color color) {
+        this.color = color;
+    }
 }

src/main/java/DrawingDoubleCaterpillar.java

@@ -36,4 +36,9 @@ public class DrawingDoubleCaterpillar implements IDrawingCaterpillar{
             g2d.fillOval(startPosX + dist * i + size/4, startPosY + 30 + size/4, size/2, size/2);
         }
     }
+
+    @Override
+    public void setColor(Color color) {
+        this.color = color;
+    }
 }

src/main/java/DrawingTank.java

@@ -27,4 +27,17 @@ public class DrawingTank extends DrawingArmoredCar{
         super.DrawTransport(g);
         startPosY -= 5;
     }
+    @Override
+    public void SetColor(Color color) {
+        if (armoredCar instanceof EntityTank tank)
+            armoredCar = new EntityTank(tank.getSpeed(), tank.getWeight(), color,
+                    tank.getDopColor(), tank.isTowerWeapon(), tank.isAMachineGun());
+        drawingCaterpillar.setColor(color);
+    }
+
+    public void SetDopColor(Color color) {
+        if (armoredCar instanceof EntityTank tank)
+            armoredCar = new EntityTank(tank.getSpeed(), tank.getWeight(), tank.getBodyColor(),
+                    color, tank.isTowerWeapon(), tank.isAMachineGun());
+    }
 }

src/main/java/FormArmoredCarConfig.form

@@ -0,0 +1,233 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="FormArmoredCarConfig">
+  <grid id="27dc6" binding="mainPanel" layout-manager="GridLayoutManager" row-count="1" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+    <margin top="0" left="0" bottom="0" right="0"/>
+    <constraints>
+      <xy x="20" y="20" width="864" height="273"/>
+    </constraints>
+    <properties/>
+    <border type="none"/>
+    <children>
+      <grid id="48e70" layout-manager="GridLayoutManager" row-count="7" column-count="10" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+        <margin top="0" left="0" bottom="0" right="0"/>
+        <constraints>
+          <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties/>
+        <border type="none"/>
+        <children>
+          <grid id="4c6f3" layout-manager="GridLayoutManager" row-count="3" column-count="3" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+            <margin top="0" left="0" bottom="0" right="0"/>
+            <constraints>
+              <grid row="1" column="8" row-span="6" col-span="1" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties/>
+            <border type="none"/>
+            <children>
+              <component id="8a4cf" class="javax.swing.JButton" binding="buttonOk">
+                <constraints>
+                  <grid row="2" column="0" row-span="1" col-span="2" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
+                </constraints>
+                <properties>
+                  <text value="Добавить"/>
+                </properties>
+              </component>
+              <component id="5498b" class="javax.swing.JButton" binding="buttonCancel">
+                <constraints>
+                  <grid row="2" column="2" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
+                </constraints>
+                <properties>
+                  <text value="Отмена"/>
+                </properties>
+              </component>
+              <component id="ce0c6" class="javax.swing.JLabel" binding="labelBaseColor">
+                <constraints>
+                  <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="0" fill="0" indent="0" use-parent-layout="false"/>
+                </constraints>
+                <properties>
+                  <text value="Цвет"/>
+                </properties>
+              </component>
+              <component id="e8476" class="javax.swing.JLabel" binding="labelDopColor">
+                <constraints>
+                  <grid row="0" column="2" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="0" fill="0" indent="0" use-parent-layout="false"/>
+                </constraints>
+                <properties>
+                  <text value="Доп. Цвет"/>
+                </properties>
+              </component>
+              <grid id="333f1" binding="drawPanel" custom-create="true" layout-manager="GridLayoutManager" row-count="1" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+                <margin top="0" left="0" bottom="0" right="0"/>
+                <constraints>
+                  <grid row="1" column="0" row-span="1" col-span="3" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+                </constraints>
+                <properties>
+                  <background color="-3291443"/>
+                </properties>
+                <border type="none"/>
+                <children/>
+              </grid>
+            </children>
+          </grid>
+          <component id="b99f7" class="javax.swing.JSpinner" binding="numericUpDownSpeed" custom-create="true">
+            <constraints>
+              <grid row="1" column="2" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties/>
+          </component>
+          <component id="fd32c" class="javax.swing.JSpinner" binding="numericUpDownWeight" custom-create="true">
+            <constraints>
+              <grid row="2" column="2" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties/>
+          </component>
+          <component id="9d793" class="javax.swing.JCheckBox" binding="checkBoxTowerWeapon">
+            <constraints>
+              <grid row="4" column="2" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties>
+              <text value="Признак наличия орудия на башне"/>
+            </properties>
+          </component>
+          <component id="d2725" class="javax.swing.JCheckBox" binding="checkBoxAMachineGun">
+            <constraints>
+              <grid row="5" column="2" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties>
+              <text value="Признак наличия зенитного пулемета"/>
+            </properties>
+          </component>
+          <component id="a8425" class="javax.swing.JLabel" binding="labelSpeed">
+            <constraints>
+              <grid row="1" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties>
+              <text value="Скорость:"/>
+            </properties>
+          </component>
+          <component id="ba547" class="javax.swing.JLabel" binding="labelWeight">
+            <constraints>
+              <grid row="2" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties>
+              <text value="Вес:"/>
+            </properties>
+          </component>
+          <grid id="b50ae" layout-manager="GridLayoutManager" row-count="3" column-count="3" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+            <margin top="0" left="0" bottom="0" right="0"/>
+            <constraints>
+              <grid row="1" column="5" row-span="6" col-span="3" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties/>
+            <border type="none"/>
+            <children>
+              <grid id="b4cbb" binding="colorsPanel" layout-manager="GridLayoutManager" row-count="1" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+                <margin top="0" left="0" bottom="0" right="0"/>
+                <constraints>
+                  <grid row="0" column="0" row-span="1" col-span="3" vsize-policy="2" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+                </constraints>
+                <properties>
+                  <background color="-1"/>
+                </properties>
+                <border type="none"/>
+                <children/>
+              </grid>
+              <component id="486f2" class="javax.swing.JLabel" binding="labelDoubleCaterpillar">
+                <constraints>
+                  <grid row="1" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+                </constraints>
+                <properties>
+                  <text value="Двойные"/>
+                </properties>
+              </component>
+              <component id="287da" class="javax.swing.JLabel" binding="labelSimpleCaterpillar">
+                <constraints>
+                  <grid row="1" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+                </constraints>
+                <properties>
+                  <text value="Обычные"/>
+                </properties>
+              </component>
+              <component id="61c17" class="javax.swing.JLabel" binding="labelCrossCaterpillar">
+                <constraints>
+                  <grid row="1" column="2" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+                </constraints>
+                <properties>
+                  <text value="Крестики"/>
+                </properties>
+              </component>
+              <grid id="7be45" layout-manager="GridLayoutManager" row-count="1" column-count="2" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+                <margin top="0" left="0" bottom="0" right="0"/>
+                <constraints>
+                  <grid row="2" column="0" row-span="1" col-span="3" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+                </constraints>
+                <properties/>
+                <border type="none"/>
+                <children>
+                  <component id="88d7e" class="javax.swing.JLabel" binding="labelModifiedObject">
+                    <constraints>
+                      <grid row="0" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+                    </constraints>
+                    <properties>
+                      <text value="Продвинутый"/>
+                    </properties>
+                  </component>
+                  <component id="e9351" class="javax.swing.JLabel" binding="labelSimpleObject">
+                    <constraints>
+                      <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+                    </constraints>
+                    <properties>
+                      <text value="Простой"/>
+                    </properties>
+                  </component>
+                </children>
+              </grid>
+            </children>
+          </grid>
+          <component id="b4b99" class="javax.swing.JLabel" binding="labelParameters">
+            <constraints>
+              <grid row="0" column="2" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="0" fill="0" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties>
+              <text value="Параметры"/>
+            </properties>
+          </component>
+          <hspacer id="893be">
+            <constraints>
+              <grid row="1" column="4" row-span="1" col-span="1" vsize-policy="1" hsize-policy="6" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
+            </constraints>
+          </hspacer>
+          <hspacer id="c09a6">
+            <constraints>
+              <grid row="1" column="0" row-span="1" col-span="1" vsize-policy="1" hsize-policy="6" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
+            </constraints>
+          </hspacer>
+          <hspacer id="f3f03">
+            <constraints>
+              <grid row="1" column="3" row-span="1" col-span="1" vsize-policy="1" hsize-policy="6" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
+            </constraints>
+          </hspacer>
+          <hspacer id="abacc">
+            <constraints>
+              <grid row="4" column="9" row-span="1" col-span="1" vsize-policy="1" hsize-policy="6" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
+            </constraints>
+          </hspacer>
+          <component id="def80" class="javax.swing.JSpinner" binding="numericUpDownCount" custom-create="true">
+            <constraints>
+              <grid row="3" column="2" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties/>
+          </component>
+          <component id="39892" class="javax.swing.JLabel" binding="labelCatCounts">
+            <constraints>
+              <grid row="3" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties>
+              <text value="Количество катков"/>
+            </properties>
+          </component>
+        </children>
+      </grid>
+    </children>
+  </grid>
+</form>

src/main/java/FormArmoredCarConfig.java

@@ -0,0 +1,254 @@
+import javax.swing.*;
+import javax.swing.border.LineBorder;
+import java.awt.*;
+import java.awt.datatransfer.UnsupportedFlavorException;
+import java.awt.dnd.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.io.IOException;
+
+public class FormArmoredCarConfig extends JDialog{
+    private JPanel mainPanel;
+    private JButton buttonOk;
+    private JButton buttonCancel;
+    private JSpinner numericUpDownSpeed;
+    private JSpinner numericUpDownWeight;
+    private JCheckBox checkBoxAMachineGun;
+    private JCheckBox checkBoxTowerWeapon;
+    private JLabel labelSpeed;
+    private JLabel labelWeight;
+    private JLabel labelParameters;
+    private JLabel labelSimpleObject;
+    private JLabel labelModifiedObject;
+    private JLabel labelBaseColor;
+    private JLabel labelDopColor;
+    private JPanel drawPanel;
+    private JPanel colorsPanel;
+    private JLabel labelSimpleCaterpillar;
+    private JLabel labelDoubleCaterpillar;
+    private JLabel labelCrossCaterpillar;
+    private JSpinner numericUpDownCount;
+    private JLabel labelCatCounts;
+
+    private DrawingArmoredCar armoredCar = null;
+
+    public FormArmoredCarConfig() {
+        setTitle("Создание объекта");
+        setBounds(100, 100, 800, 300);
+        setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
+
+        setContentPane(mainPanel);
+        setVisible(true);
+        labelSimpleObject.setBorder(new LineBorder(Color.BLACK));
+        labelModifiedObject.setBorder(new LineBorder(Color.BLACK));
+        labelBaseColor.setBorder(new LineBorder(Color.BLACK));
+        labelDopColor.setBorder(new LineBorder(Color.BLACK));
+        labelSimpleCaterpillar.setBorder(new LineBorder(Color.BLACK));
+        labelDoubleCaterpillar.setBorder(new LineBorder(Color.BLACK));
+        labelCrossCaterpillar.setBorder(new LineBorder(Color.BLACK));
+
+        var mouseAdapter = new DragMouseAdapter();
+
+        labelSimpleObject.addMouseListener(mouseAdapter);
+        labelSimpleObject.setTransferHandler(new TransferHandler("text"));
+
+        labelModifiedObject.addMouseListener(mouseAdapter);
+        labelModifiedObject.setTransferHandler(new TransferHandler("text"));
+
+        labelSimpleCaterpillar.addMouseListener(mouseAdapter);
+        labelDoubleCaterpillar.addMouseListener(mouseAdapter);
+        labelCrossCaterpillar.addMouseListener(mouseAdapter);
+
+        labelSimpleCaterpillar.setTransferHandler(new TransferHandler("text"));
+        labelDoubleCaterpillar.setTransferHandler(new TransferHandler("text"));
+        labelCrossCaterpillar.setTransferHandler(new TransferHandler("text"));
+
+        drawPanel.setBackground(null);
+        colorsPanel.setBorder(BorderFactory.createTitledBorder("Цвета"));
+        colorsPanel.setLayout(new GridLayout(2, 4));
+        colorsPanel.setBackground(null);
+        setColors();
+
+        buttonCancel.addActionListener((e) -> dispose());
+        new DrawPanelDropTargetListener(drawPanel);
+        new LabelColorDropTargetListener(labelBaseColor);
+        new LabelColorDropTargetListener(labelDopColor);
+
+
+        buttonOk.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                // TODO работа с делегатом (вызов метода по созданию объекта из другой формы)
+                dispose();
+            }
+        });
+    }
+
+    private class DragMouseAdapter extends MouseAdapter {
+        public void mousePressed(MouseEvent e) {
+            var c = (JComponent) e.getSource();
+            var handler = c.getTransferHandler();
+            handler.exportAsDrag(c, e, TransferHandler.COPY);
+        }
+    }
+
+    private class LabelColorDropTargetListener extends DropTargetAdapter{
+        private final DropTarget dropTarget;
+        private final JLabel label;
+
+        public LabelColorDropTargetListener(JLabel label) {
+            this.label = label;
+            dropTarget = new DropTarget(label, DnDConstants.ACTION_COPY,
+                    this, true, null);
+        }
+        @Override
+        public void drop(DropTargetDropEvent event) {
+            try {
+                var tr = event.getTransferable();
+                var dataFlavors = tr.getTransferDataFlavors();
+                String s = (String) tr.getTransferData(dataFlavors[0]);
+                Color color = Color.decode(s);
+                switch (label.getText()) {
+                    case "Цвет": {
+                        if (armoredCar != null) {
+                            armoredCar.SetColor(color);
+                        }
+                        break;
+                    }
+                    case "Доп. Цвет": {
+                        if (armoredCar != null) {
+                            if (armoredCar instanceof DrawingTank tank) {
+                                tank.SetDopColor(color);
+                            }
+                        }
+                        break;
+                    }
+                }
+                drawPanel.repaint();
+            } catch (Exception e) {
+                event.rejectDrop();
+            }
+        }
+    }
+
+    private class DrawPanelDropTargetListener extends DropTargetAdapter {
+
+        private final DropTarget dropTarget;
+        private final JPanel panel;
+
+        public DrawPanelDropTargetListener(JPanel panel) {
+            this.panel = panel;
+
+            dropTarget = new DropTarget(panel, DnDConstants.ACTION_COPY,
+                    this, true, null);
+        }
+
+
+        public void drop(DropTargetDropEvent event) {
+            try {
+                var tr = event.getTransferable();
+                var dataFlavors = tr.getTransferDataFlavors();
+                String drawing_type = (String) tr.getTransferData(dataFlavors[0]);
+                event.acceptDrop(DnDConstants.ACTION_COPY);
+                switch (drawing_type) {
+                    case "Простой": {
+                        armoredCar = new DrawingArmoredCar((int) numericUpDownSpeed.getValue(), (int) numericUpDownWeight.getValue(), Color.WHITE);
+                        IDrawingCaterpillar drawingCaterpillar = armoredCar.GetCaterpillars();
+                        drawingCaterpillar.setNumRinks((int)numericUpDownCount.getValue());
+                        break;
+                    }
+                    case "Продвинутый": {
+                        armoredCar = new DrawingTank((int) numericUpDownSpeed.getValue(), (int) numericUpDownWeight.getValue(), Color.WHITE, Color.BLACK,
+                                checkBoxTowerWeapon.isSelected(), checkBoxAMachineGun.isSelected());
+                        IDrawingCaterpillar drawingCaterpillar = armoredCar.GetCaterpillars();
+                        drawingCaterpillar.setNumRinks((int)numericUpDownCount.getValue());
+                        break;
+                    }
+                    case "Обычные": {
+                        if (armoredCar != null) {
+                            IDrawingCaterpillar drawingCaterpillar = new DrawingCaterpillar(armoredCar.armoredCar.getBodyColor());
+                            drawingCaterpillar.setNumRinks((int)numericUpDownCount.getValue());
+                            armoredCar.SetCaterpillar(drawingCaterpillar);
+                        }
+                        break;
+                    }
+                    case "Двойные": {
+                        if (armoredCar != null) {
+                            IDrawingCaterpillar drawingCaterpillar = new DrawingDoubleCaterpillar(armoredCar.armoredCar.getBodyColor());
+                            drawingCaterpillar.setNumRinks((int)numericUpDownCount.getValue());
+                            armoredCar.SetCaterpillar(drawingCaterpillar);
+                        }
+                        break;
+                    }
+                    case "Крестики": {
+                        if (armoredCar != null) {
+                            IDrawingCaterpillar drawingCaterpillar = new DrawingCrossCaterpillar(armoredCar.armoredCar.getBodyColor());
+                            drawingCaterpillar.setNumRinks((int)numericUpDownCount.getValue());
+                            armoredCar.SetCaterpillar(drawingCaterpillar);
+                        }
+                        break;
+                    }
+                 }
+                event.dropComplete(true);
+                drawPanel.repaint();
+            } catch (Exception e) {
+                e.printStackTrace();
+                event.rejectDrop();
+            }
+        }
+    }
+
+    public static void main(String[] args) {
+        new FormArmoredCarConfig();
+    }
+
+    private void createUIComponents() {
+        drawPanel = new JPanel() {
+            @Override
+            public void paintComponent(Graphics g) {
+                super.paintComponent(g);
+                if (armoredCar != null) {
+                    Graphics2D g2d = (Graphics2D) g;
+                    armoredCar.SetPosition(drawPanel.getWidth() / 4, drawPanel.getHeight() / 4, drawPanel.getWidth(), drawPanel.getHeight());
+                    armoredCar.DrawTransport(g2d);
+                }
+                super.repaint();
+            }
+        };
+        numericUpDownCount = new JSpinner(new SpinnerNumberModel(4, 4, 6, 1));
+        numericUpDownSpeed = new JSpinner(new SpinnerNumberModel(100, 100, 1000, 1));
+        numericUpDownWeight = new JSpinner(new SpinnerNumberModel(100, 100, 1000, 1));
+    }
+
+    private void setColors() {
+        Color[] colors = new Color[8];
+        colors[0] = Color.RED;
+        colors[1] = Color.GREEN;
+        colors[2] = Color.BLUE;
+        colors[3] = Color.YELLOW;
+        colors[4] = Color.WHITE;
+        colors[5] = Color.DARK_GRAY;
+        colors[6] = Color.BLACK;
+        colors[7] = Color.MAGENTA;
+
+        int i = 0;
+        int width = 40;
+        for (Color color : colors) {
+            JButton btn = new JButton();
+            btn.setBackground(color);
+            btn.setEnabled(false);
+            int x = i % 4;
+            int y = i / 4;
+
+            btn.setBounds(x * width + 10, y * width + 10, width, width);
+            btn.setText(Integer.toString(color.getRGB()));
+            btn.setFont(new Font("Arial", Font.PLAIN, 0));
+            btn.setTransferHandler(new TransferHandler("text"));
+            btn.addMouseListener(new DragMouseAdapter());
+            colorsPanel.add(btn);
+            i++;
+        }
+    }
+}

src/main/java/IDrawingCaterpillar.java

@@ -4,4 +4,7 @@ public interface IDrawingCaterpillar {
     void setNumRinks(int n);
 
     void DrawCaterpillar(Graphics2D g2d, int startPosX, int startPosY);
+
+    void setColor(Color color);
+
 }