src/main/java/serializer/App.java

-package serializer;
-
-import javafx.application.Application;
-import javafx.scene.Group;
-import javafx.scene.Scene;
-import javafx.scene.control.Button;
-import javafx.stage.Stage;
-
-public class App extends Application {
-
-    public static void main(String[] args) {
-        launch(args);
-    }
-
-    @Override
-    public void start(Stage primaryStage) {
-        Group root = new Group();
-        DrawerWithSave container = new DrawerWithSave(800, 600);
-        root.getChildren().add(container);
-        primaryStage.setScene(new Scene(root));
-        primaryStage.show();
-        Button save = new Button("save");
-        root.getChildren().add(save);
-        save.setLayoutX(0);
-        save.setLayoutY(0);
-        root.setOnKeyPressed(event->container.context.keyPressed(event));
-        //save.setOnKeyPressed(event->container.context.keyPressed(event));
-        save.setOnAction(event -> container.write());
-
-    }
-}
\ No newline at end of file

src/main/java/serializer/DrawerWithSave.java

-package serializer;
-
-import javafx.scene.canvas.Canvas;
-import javafx.scene.control.Alert;
-import javafx.stage.FileChooser;
-import shape.Shape;
-
-import java.io.File;
-import java.io.IOException;
-import java.util.List;
-import java.util.stream.Collectors;
-
-
-public class DrawerWithSave extends state.Drawer {
-
-    public DrawerWithSave(int width, int height) {
-        super(width, height);
-    }
-
-    void write(){
-    FileChooser fileChooser = new FileChooser();
-    fileChooser.setTitle("Save");
-    File file = fileChooser.showSaveDialog(getScene().getWindow());
-    if (file == null) return;
-    try {
-        ShapeWriter.write(file, super.shapes);
-    }
-    catch (IOException e) {
-        Alert alert = new Alert(Alert.AlertType.INFORMATION);
-        alert.setTitle("Error Dialog");
-        alert.setHeaderText(null);
-        alert.setContentText("Ooops, there was an error!");
-        alert.showAndWait();
-    }
-    }
-    public void load() {
-        FileChooser fileChooser = new FileChooser();
-        fileChooser.setTitle("Load");
-        File file = fileChooser.showOpenDialog(getScene().getWindow());
-        if (file == null) return;
-        try {
-            super.shapes = ShapeReader.read(file);
-            repaint();
-        } catch (IOException e) {
-            Alert alert = new Alert(Alert.AlertType.INFORMATION);
-            alert.setTitle("Error Dialog");
-            alert.setHeaderText(null);
-            alert.setContentText("Ooops, there was an error!");
-            alert.showAndWait();
-        }
-    }
-}

src/main/java/serializer/ShapeReader.java

-package serializer;
-
-import shape.Shape;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileReader;
-import java.io.IOException;
-import java.util.List;
-import java.util.stream.Collector;
-
-public class ShapeReader {
-    public static List<Shape> read(File file) throws IOException {
-        BufferedReader bufferedReader = new BufferedReader(new FileReader(file));
-        /*for(String line : bufferedReader.lines().toList()) {
-            System.out.println(line);
-        }*/
-        return null;
-    }
-}

src/main/java/serializer/ShapeWriter.java

-package serializer;
-
-import shape.Shape;
-
-import java.io.File;
-import java.io.IOException;
-import java.io.PrintWriter;
-import java.util.List;
-
-public class ShapeWriter {
-    public static void write (File file, List<Shape> shapes) throws IOException {
-        PrintWriter printWriter = new PrintWriter(file);
-        printWriter.println("Coucou");
-    }
-}

src/main/java/shape/App.java

-package shape;
-
-import javafx.application.Application;
-import javafx.geometry.Point2D;
-import javafx.scene.Group;
-import javafx.scene.Scene;
-import javafx.scene.canvas.Canvas;
-import javafx.scene.canvas.GraphicsContext;
-import javafx.scene.paint.Color;
-import javafx.scene.paint.Paint;
-import javafx.stage.Stage;
-
-
-
-public class App extends Application {
-
-    public static void main(String[] args) {
-        launch(args);
-    }
-
-    @Override
-    public void start(Stage primaryStage) {
-        Group root = new Group();
-        Canvas canvas = new Canvas(130, 110);
-        GraphicsContext graphicsContext = canvas.getGraphicsContext2D();
-        ShapeContainer shapeContainer = new ShapeContainer();
-        graphicsContext.setFill(Color.AQUAMARINE);
-        graphicsContext.fillOval(10,10,10,10);
-        shapeContainer.addShape(new Rectangle(Color.BLUE,new Point2D(10,10), new Point2D(40,40)));
-        shapeContainer.draw(graphicsContext);
-        root.getChildren().add(canvas);
-        primaryStage.setScene(new Scene(root));
-        primaryStage.show();
-    }
-}
\ No newline at end of file

src/main/java/shape/Circle.java

-package shape;
-
-import javafx.geometry.Point2D;
-import javafx.scene.canvas.GraphicsContext;
-
-public class Circle implements Shape {
-
-    public Circle(double x, double y, double sqrt) {
-    }
-
-    @Override
-    public int pointsCount() {
-        return 0;
-    }
-
-    @Override
-    public Point2D point(int index) {
-        return null;
-    }
-
-    @Override
-    public void draw(GraphicsContext context) {
-
-    }
-}

src/main/java/shape/Rectangle.java

-package shape;
-
-import javafx.geometry.Point2D;
-import javafx.scene.canvas.GraphicsContext;
-import javafx.scene.paint.Color;
-
-public class Rectangle implements Shape{
-    Color color;
-    Rectangle(Color color, Point2D point0, Point2D point1){
-        this.color = color;
-    }
-
-    @Override
-    public int pointsCount() {
-        return 0;
-    }
-
-    @Override
-    public Point2D point(int index) {
-        return null;
-    }
-
-    @Override
-    public void draw(GraphicsContext context) {
-
-    }
-}

src/main/java/shape/Shape.java

-package shape;
-
-import javafx.geometry.Point2D;
-import javafx.scene.canvas.GraphicsContext;
-
-public interface Shape {
-    int pointsCount();
-    Point2D point(int index);
-    void draw(GraphicsContext context);
-}

src/main/java/shape/ShapeContainer.java

-package shape;
-
-import javafx.scene.canvas.GraphicsContext;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class ShapeContainer{
-
-    private List<Shape> shapes = new ArrayList<>();
-
-    public void addShape(Shape shape){}
-
-    public void  draw(GraphicsContext context){
-        for(Shape shape : shapes)
-            shape.draw(context);
-    }
-}

src/main/java/state/App.java

-package state;
-
-import javafx.application.Application;
-import javafx.scene.Group;
-import javafx.scene.Scene;
-import javafx.stage.Stage;
-
-public class App extends Application {
-
-    public static void main(String[] args) {
-        launch(args);
-    }
-
-    @Override
-    public void start(Stage primaryStage) {
-        Group root = new Group();
-        Drawer container = new Drawer(800, 600);
-        root.getChildren().add(container);
-        primaryStage.setScene(new Scene(root));
-        primaryStage.show();
-    }
-}
\ No newline at end of file

src/main/java/state/Drawer.java

-package state;
-
-import javafx.scene.canvas.Canvas;
-import shape.Circle;
-import shape.Shape;
-
-import java.util.ArrayList;
-import java.util.List;
-
-
-public class Drawer extends Canvas {
-    protected List<Shape> shapes = new ArrayList<>();
-    public DrawerContext context = new DrawerContext(this);
-
-    public Drawer(int width, int height) {
-        super(width,height);
-        setFocusTraversable(true);
-        setOnMousePressed(event->context.mousePressed(event));
-        setOnMouseReleased(event->context.mouseReleased(event));
-        setOnMouseMoved(event->context.mouseMoved(event));
-        setOnMouseDragged(event->context.mouseMoved(event));
-        //setOnKeyPressed(event -> context.keyPressed(event));
-    }
-
-    public void repaint(){
-        this.getGraphicsContext2D().clearRect(0,0,this.getWidth(),this.getHeight());
-    }
-}

src/main/java/state/DrawerContext.java

-package state;
-
-
-import javafx.scene.input.KeyEvent;
-import javafx.scene.input.MouseEvent;
-
-public class DrawerContext {
-
-    Drawer drawer;
-    DrawerState currentState;
-
-    public DrawerContext(Drawer drawer) {
-        this.drawer = drawer;
-    }
-
-    void mousePressed(MouseEvent event){
-        currentState.mousePressed(this,event.getX(),event.getY());
-
-    }
-
-    void mouseReleased(MouseEvent event){
-        currentState.mouseReleased(this,event.getX(),event.getY());
-    }
-
-    void mouseMoved(MouseEvent event){}
-
-    public void keyPressed(KeyEvent event) {
-        switch (event.getText()) {
-            case "c":
-                currentState = new StateCircle0();
-        }
-    }
-}

src/main/java/state/DrawerState.java

-package state;
-
-public interface DrawerState {
-    void mousePressed(DrawerContext context, double x, double y);
-    void mouseReleased(DrawerContext context, double x, double y);
-}

src/main/java/state/StateCircle0.java

-package state;
-
-public class StateCircle0 implements DrawerState {
-    @Override
-    public void mousePressed(DrawerContext context, double x, double y) {
-
-    }
-
-    @Override
-    public void mouseReleased(DrawerContext context, double x, double y) {
-
-    }
-}