JPanelの結果を、他のJPanelに反映させたい。

JPanel j2の、Count(i)の結果を、j1のLabelに反映させたい。

java
1import javax.swing.*;
2import java.awt.*;
3import java.awt.event.*;
4
5public class ScreenToucher extends JFrame {
6	
7	int i=0;
8	static int width=500;
9	static int height=500;
10
11	public static void main(String args[]) {
12	    ScreenToucher frame = new ScreenToucher("タイトル");
13	    frame.setVisible(true);
14	  }
15
16	ScreenToucher(String title){
17	    setTitle(title);
18	    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
19	    setBounds(100, 100, width, height);
20
21	    MyPanel1 p1 = new MyPanel1();
22	    MyPanel2 p2 = new MyPanel2();
23
24	    Container contentPane = getContentPane();
25        contentPane.add(p1, BorderLayout.NORTH);
26        contentPane.add(p2, BorderLayout.CENTER);
27		}
28
29	}
30	
31class MyPanel1 extends JPanel{
32
33		int i;
34		
35	MyPanel1(){
36			JPanel jp1 = new JPanel();
37			    JLabel jl1 = new JLabel();
38		        jp1.setBackground(Color.green);
39		        Integer j = new Integer(i);
40		        String text = j.toString();
41		        jl1.setText(text);
42		        jp1.add(jl1);
43		        add(jp1);
44
45	};
46	
47	}
48
49class MyPanel2 extends JPanel {
50
51		static int width=500;
52		static int height=500;
53		static int i=0;
54		static int r = 60;
55		static int x;
56		static int y;
57
58		final static Color bc = Color.black;
59		final static Color dc = Color.green;
60		
61		MyPanel2(){
62			repaint();
63			MouseListener();
64		}
65    
66	     void MouseListener () {
67		    addMouseListener(new MouseAdapter() { 
68		        public void mousePressed(MouseEvent e) { 
69		      		double mouseX=e.getX();
70		      		double mouseY=e.getY();
71		      		if(mouseX>x&&mouseX<x+2*r) {
72		      			if(mouseY>y&&mouseY<y+2*r) {
73							
74		      				repaint();
75		      				Count(i);
76		      			}
77		      		}
78		        }
79		  });
80		}
81	     	     
82	    protected void paintComponent(Graphics g) {
83//	        super.paintComponent(g);
84			x = (int) (Math.random()*width);
85			y = (int) (Math.random()*height)+30;
86			if((x<width-2*r)&&(y<height-2*r)) {
87				g.setColor(bc);
88				g.fillRect(0, 0, width, height);
89				g.setColor(dc);
90				g.fillOval(x, y, r, r);
91			}else {
92				repaint();
93			}
94	    }	    
95
96	    int Count(int i){
97	    	i=i*100;
98	    	return i;
99	    }
100   }

m.ts10806

2018/06/19 00:46

https://teratail.com/help/question-tips#questionTips3-4-1

行動規範の内容に同意します

回答1件

ベストアンサー

Java
1import javax.swing.*;
2import java.awt.*;
3import java.awt.event.*;
4
5public class ScreenToucher extends JFrame {
6
7	int i = 0;
8	static int width = 500;
9	static int height = 500;
10
11	private MyPanel1 p1;
12
13	public static void main(String args[]) {
14		ScreenToucher frame = new ScreenToucher("タイトル");
15		frame.setVisible(true);
16	}
17
18	ScreenToucher(String title) {
19		setTitle(title);
20		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
21		setBounds(100, 100, width, height);
22
23		p1 = new MyPanel1();
24		MyPanel2 p2 = new MyPanel2(this);
25
26		Container contentPane = getContentPane();
27		contentPane.add(p1, BorderLayout.NORTH);
28		contentPane.add(p2, BorderLayout.CENTER);
29	}
30
31	public void setCount(int count) {
32		p1.setCount(count);
33	}
34
35}
36
37class MyPanel1 extends JPanel {
38
39	int i;
40
41	private JLabel jl1;
42
43	MyPanel1() {
44		JPanel jp1 = new JPanel();
45		jl1 = new JLabel();
46		jp1.setBackground(Color.green);
47		Integer j = new Integer(i);
48		String text = j.toString();
49		jl1.setText(text);
50		jp1.add(jl1);
51		add(jp1);
52	}
53
54	public void setCount(int count) {
55		jl1.setText(Integer.toString(count));
56	}
57
58}
59
60class MyPanel2 extends JPanel {
61
62	static int width = 500;
63	static int height = 500;
64	static int i = 0;
65	static int r = 60;
66	static int x;
67	static int y;
68
69	final static Color bc = Color.black;
70	final static Color dc = Color.green;
71
72	private ScreenToucher owner;
73
74	MyPanel2(ScreenToucher owner) {
75		this.owner = owner;
76		repaint();
77		MouseListener();
78	}
79
80	void MouseListener() {
81		addMouseListener(new MouseAdapter() {
82			public void mousePressed(MouseEvent e) {
83				double mouseX = e.getX();
84				double mouseY = e.getY();
85				if (mouseX > x && mouseX < x + 2 * r) {
86					if (mouseY > y && mouseY < y + 2 * r) {
87						repaint();
88						owner.setCount(Count());
89					}
90				}
91			}
92		});
93	}
94
95	protected void paintComponent(Graphics g) {
96//            super.paintComponent(g);
97		x = (int) (Math.random() * width);
98		y = (int) (Math.random() * height) + 30;
99		if ((x < width - 2 * r) && (y < height - 2 * r)) {
100			g.setColor(bc);
101			g.fillRect(0, 0, width, height);
102			g.setColor(dc);
103			g.fillOval(x, y, r, r);
104		} else {
105			repaint();
106		}
107	}
108
109	int Count() {
110		i += 100;
111		return i;
112	}
113}