drawing rectangle done

src/main/java/shape/App.java

@@ -17,24 +17,9 @@ public class App extends Application {
     public void start(Stage primaryStage) {
         Drawer drawer = new Drawer(400, 400);
 
-        Circle circle = new Circle(200, 200, 50);
-        Rectangle rectangle = new Rectangle(100, 100, 150, 100);
-
-        drawer.add(circle);
-        drawer.add(rectangle);
-
-        drawer.repaint();
-
-        drawer.getCanvas().setOnMouseClicked(event -> {
-            double mouseX = event.getX();
-            double mouseY = event.getY();
-            Shape clickedShape = drawer.shapeContaining(mouseX, mouseY);
-            if (clickedShape != null) {
-                System.out.println("Shape clicked: " + clickedShape);
-            }
-        });
         Group root = new Group();
         root.getChildren().add(drawer.getCanvas());
+
         Scene scene = new Scene(root, 400, 400);
 
         primaryStage.setTitle("JavaFX Drawer");

src/main/java/shape/Drawer.java

@@ -10,16 +10,16 @@ import java.util.List;
 
 public class Drawer {
     private List<Shape> shapes;
-    private double width;
-    private double height;
+//    private double width;
+//    private double height;
     private Canvas canvas;
     private GraphicsContext gc;
 
     private Rectangle tempRectangle = null;
 
     public Drawer(double width, double height) {
-        this.width = width;
-        this.height = height;
+//        this.width = width;
+//        this.height = height;
         shapes = new ArrayList<>();
         canvas = new Canvas(width,height);
         gc = canvas.getGraphicsContext2D();
@@ -30,7 +30,7 @@ public class Drawer {
         shapes.add(shape);
     }
     public void repaint(){
-        gc.clearRect(0, 0, width, height);
+        gc.clearRect(0, 0, canvas.getWidth(), canvas.getHeight());
         for(Shape shape : shapes){
             shape.paint(gc);
         }
@@ -47,6 +47,16 @@ public class Drawer {
                 tempRectangle = new Rectangle(x, y, 0, 0);
             }
         });
+
+        canvas.setOnMouseDragged(event ->{
+            if (tempRectangle != null) {
+                double x = event.getX();
+                double y = event.getY();
+                tempRectangle.updateSize(x,y);
+                repaint();
+            }
+        });
+
         canvas.setOnMouseReleased(event -> {
             if(event.getButton() == MouseButton.PRIMARY){
                 shapes.add(tempRectangle);

src/main/java/shape/Rectangle.java

@@ -20,6 +20,7 @@ public class Rectangle implements Shape{
 
     @Override
     public void paint(GraphicsContext graphicsContext) {
+        graphicsContext.setStroke(Color.BLACK);
         graphicsContext.strokeRect(x, y, width, height);
 
     }
@@ -35,4 +36,12 @@ public class Rectangle implements Shape{
         x += dx;
         y += dy;
     }
+    public void updateSize(double newX, double newY) {
+        this.width = Math.abs(newX - this.x);
+        this.height = Math.abs(newY - this.y);
+        if (newX < this.x && newY < this.y) {
+            this.x = newX;
+            this.y = newY;
+        }
+    }
 }