addEventHandlerが上手く機能しません･･･

Question

前提・実現したいこと

なぜか、addHandlerでエラーがおきます･･･
どなたか分かる方はいますでしょうか･･･？

発生している問題・エラーメッセージ

Exception in Application start method
java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.sun.javafx.application.LauncherImpl.launchApplicationWithArgs(LauncherImpl.java:389)
	at com.sun.javafx.application.LauncherImpl.launchApplication(LauncherImpl.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at sun.launcher.LauncherHelper$FXHelper.main(LauncherHelper.java:767)
Caused by: java.lang.RuntimeException: Exception in Application start method
	at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:917)
	at com.sun.javafx.application.LauncherImpl.lambda$launchApplication$154(LauncherImpl.java:182)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.Error: Unresolved compilation problems: 
	型 Node のメソッド addEventHandler(EventType<T>, EventHandler<? super T>) は引数 (EventType<MouseEvent>, twelve.SampleEventHandler) に適用できません
	型 Node のメソッド addEventHandler(EventType<T>, EventHandler<? super T>) は引数 (EventType<MouseEvent>, twelve.SampleEventHandler) に適用できません

	at kadai.twelve.start(twelve.java:98)
	at com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$161(LauncherImpl.java:863)
	at com.sun.javafx.application.PlatformImpl.lambda$runAndWait$174(PlatformImpl.java:326)
	at com.sun.javafx.application.PlatformImpl.lambda$null$172(PlatformImpl.java:295)
	at java.security.AccessController.doPrivileged(Native Method)
	at com.sun.javafx.application.PlatformImpl.lambda$runLater$173(PlatformImpl.java:294)
	at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
	at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
	at com.sun.glass.ui.win.WinApplication.lambda$null$147(WinApplication.java:177)
	... 1 more
Exception running application kadai.twelve

該当のソースコード

package kadai;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.ArrayList;

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.canvas.Canvas;
import javafx.scene.canvas.GraphicsContext;
import javafx.scene.control.ColorPicker;
import javafx.scene.control.Menu;
import javafx.scene.control.MenuBar;
import javafx.scene.control.MenuItem;
import javafx.scene.control.RadioMenuItem;
import javafx.scene.control.ToggleGroup;
import javafx.scene.control.ToolBar;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.BorderPane;
import javafx.scene.paint.Color;
import javafx.stage.FileChooser;
import javafx.stage.Stage;

public class twelve extends Application{
		private Canvas cv;
        private ToolBar tb;
        private ColorPicker cp;
        private ToggleGroup tg;
        private RadioMenuItem[] rmi = new RadioMenuItem[4];
        private MenuItem[] mi = new MenuItem[2];
        private Menu [] mn = new Menu[3];
        private MenuBar mb;
        private ArrayList<Shape> shapeList;
        private int currentShape;
        private Color currentColor;
        private double x1,x2,y1,y2;
		public static void main(String[]args) {
				launch(args);
			}
		public void start(Stage stage)throws Exception{
			cv = new Canvas(600,340);
			mb = new MenuBar();
			cp = new ColorPicker();
			tb = new ToolBar();

			mn[0] = new Menu("ファイル");
			mn[1] = new Menu("設定");
			mn[2] = new Menu("図形");

			mi[0] = new MenuItem("開く");
			mi[1] = new MenuItem("保存");

			rmi[0] = new RadioMenuItem("四角形");
			rmi[1] = new RadioMenuItem("楕円");
			rmi[2] = new RadioMenuItem("直線");
			rmi[3] = new RadioMenuItem("三角形");

			mn[0].getItems().add(mi[0]);
			mn[0].getItems().add(mi[1]);

			mn[1].getItems().add(mn[2]);

			mn[2].getItems().add(rmi[0]);
			mn[2].getItems().add(rmi[1]);
			mn[2].getItems().add(rmi[2]);
			mn[2].getItems().add(rmi[3]);

			mb.getMenus().add(mn[0]);
			mb.getMenus().add(mn[1]);

			tb.getItems().add(cp);

			tg = new ToggleGroup();
			rmi[0].setToggleGroup(tg);
			rmi[1].setToggleGroup(tg);
			rmi[2].setToggleGroup(tg);
			rmi[3].setToggleGroup(tg);

			BorderPane bp = new BorderPane();

			bp.setTop(mb);
			bp.setCenter(cv);
			bp.setBottom(tb);

			for(int i = 0;i<mi.length;i++) {
				mi[i].setOnAction(new SampleEventHandler());
			}
			for(int i = 0;i<rmi.length;i++) {
				rmi[i].setOnAction(new SampleEventHandler());
			}
			cp.setOnAction(new SampleEventHandler());

			cv.addEventHandler(MouseEvent.MOUSE_PRESSED,(new SampleEventHandler()));
			cv.addEventHandler(MouseEvent.MOUSE_RELEASED,(new SampleEventHandler()));

			shapeList =new ArrayList<Shape>();
			currentShape = Shape.TRI;
			currentColor = Color.RED;
			cp.setValue(currentColor);
			rmi[0].setSelected(true);
			x1 = -1;y1 = -1;x2 = 1;y2 = -1;

			Scene sc = new Scene(bp,600,400);

			stage.setScene(sc);
			stage.setTitle("サンプル");
			stage.show();
		}
		class SampleEventHandler implements EventHandler<ActionEvent>{
			public void handle(ActionEvent e) {
if(e.getSource() == mi[0]) {
	try {
		FileChooser fc = new FileChooser();
		fc.getExtensionFilters().add(
			new FileChooser.ExtensionFilter("グラフィックファイル", "*,g"));
			File flo = fc.showOpenDialog(new Stage());
			if(flo != null) {
				ObjectInputStream oi = new ObjectInputStream(new FileInputStream(flo));
				Shape tmp = null;
				shapeList.clear();
				while((tmp = (Shape)oi.readObject())!= null){
shapeList.add(tmp);
				}
				oi.close();
			}
		}
		catch(Exception ex) {
			ex.printStackTrace();
		}
		GraphicsContext gc = cv.getGraphicsContext2D();
		gc.clearRect(0, 0, 600, 340);
		for(int i = 0;i<shapeList.size();i++) {
			Shape sh = (Shape)shapeList.get(i);
			sh.draw(gc);
		}
	}else if(e.getSource() == mi[1]) {
		try {
			FileChooser fc = new FileChooser();
			fc.getExtensionFilters().add(
				new FileChooser.ExtensionFilter("グラフィックファイル", "*,g"));
				File fls = fc.showOpenDialog(new Stage());
				if(fls != null) {
					ObjectOutputStream oo = new ObjectOutputStream(new FileOutputStream(fls));
					for(int i = 0;i<shapeList.size();i++) {
						oo.writeObject(shapeList.get(i));
					}
					oo.writeObject(null);
					oo.close();
		}
	}
		catch(Exception ex) {
			ex.printStackTrace();
		}
}
	else if(e.getSource() == rmi[0]) {
		currentShape = Shape.RECT;
	}
	else if(e.getSource() == rmi[1]) {
		currentShape = Shape.OVAL;
	}
	else if(e.getSource() == rmi[2]) {
		currentShape = Shape.LINE;
	}
	else if(e.getSource() == rmi[3]) {
		currentShape = Shape.TRI;
	}
	else if(e.getSource() == cp) {
		currentColor = cp.getValue();
	}
			}
		}
		class SampleMouseEventHandler implements EventHandler<MouseEvent>{
			public void handle(MouseEvent e) {
if(e.getEventType() == MouseEvent.MOUSE_PRESSED) {
	x2 = e.getX();
	y2 = e.getY();
	if(x1 < 0 || y1 < 0 ||(x1  == x2 && y1 == y2))
	return;
	Shape sh = null;
	if(currentShape == Shape.RECT){
		sh = new Rect();
	}
	else if(currentShape == Shape.OVAL) {
		sh = new Rect();
			}
else if(currentShape == Shape.LINE) {
	    sh = new Trian();
		}
else if(currentShape == Shape.TRI) {
    sh = new Trian();
	}
			double r = currentColor.getRed();
			double g= currentColor.getGreen();
			double b = currentColor.getBlue();
			sh.setColor(r,g,b);

			if(currentShape != Shape.LINE){
				if(x1 > x2) {
					x2 = x1;
					x1 = e.getX();
				}
				if(y1 > y2) {
					y2 = y1;
					y1 = e.getX();
				}
			}
			sh.setStartPoint(x1,y1);
			sh.setEndPoint(x2,y2);

			shapeList.add(sh);

			GraphicsContext gc = cv.getGraphicsContext2D();
			sh.draw(gc);
		}
	}
	}

}

補足情報（FW/ツールのバージョンなど）

ｊｄｋ１４

Comments

[m.ts10806]

投げっぱなしの質問が多く、未解決のままどんどん（ほぼ丸投げのような）質問していっています。
管理しきれますか？
放置質問が多いとそのうち相手してくれる人いなくなります。
「解決する気ないんだな」と理解されます。

[dodox86]

過去の質問を拝見するに、課題を終らせることをとにかく優先していて、ひとつひとつ理解をせずに進んでいる印象を受けます。JavaFX（を含むGUIのフレームワークは特に）は基本の理解が無いと取り扱いは無理です。回答をいただいても消化できません。

Answer 1

cv.addEventHandler(MouseEvent.MOUSE_PRESSED,(new SampleEventHandler()));
cv.addEventHandler(MouseEvent.MOUSE_RELEASED,(new SampleEventHandler()));

SampleMouseEventHandlerを入れるつもりだったんじゃないですか？

Comments

[nakagen]

Mouseを入れ忘れた私のミスでした･･･