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64 lines
1.8 KiB
64 lines
1.8 KiB
2 years ago
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/*
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* To change this license header, choose License Headers in Project Properties.
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* To change this template file, choose Tools | Templates
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* and open the template in the editor.
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*/
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package gui;
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import java.awt.Container;
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import java.awt.FlowLayout;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import javax.swing.JButton;
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import javax.swing.JFrame;
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import javax.swing.JLabel;
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/**
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*
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* @author (C)Y.D.Zakovryashin, 28.11.2022
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*/
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public class DemoJFrame extends JFrame {
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private JLabel lbl;
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public DemoJFrame(String title) {
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super(title);
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// setBounds (x, y, w, h);
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// setTitle (title);
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setLocation(120, 80);
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setSize(640, 480);
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setResizable(false);
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setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
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init();
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setVisible(true);
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}
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public static void main(String[] args) {
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DemoJFrame demo = new DemoJFrame("Demo JFrame");
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}
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private void init() {
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// DemoWindowListener wl = new DemoWindowListener();
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// addWindowListener(wl);
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addWindowListener(new DemoWindowAdapter());
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Container cp = getContentPane();
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cp.setLayout(null);
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// cp.setLayout(new FlowLayout(FlowLayout.CENTER, 10, 5));
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lbl = new JLabel("Demo label");
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lbl.setBounds(120, 80, 160, 32);
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JButton b = new JButton("Demo button");
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b.setBounds(120, 140, 160, 32);
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b.addActionListener(new DemoActionListener(cp));
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// class ? implements ActionListener { .... }
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b.addActionListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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String s = lbl.getText();
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lbl.setText(s + "*");
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}
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});
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cp.add(lbl);
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cp.add(b);
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}
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}
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