Created
April 20, 2018 15:45
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Simple Accumulator
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import javax.swing.*; | |
import javax.swing.border.BevelBorder; | |
import java.awt.*; | |
import java.awt.event.*; | |
import java.util.TimerTask; | |
public class Sandbox extends JFrame implements ActionListener { | |
private JLabel label; | |
private JTextField txtField; | |
private JButton increment; | |
private JButton clear; | |
private int count = 0; | |
private Sandbox() throws HeadlessException { | |
Dimension dim = Toolkit.getDefaultToolkit().getScreenSize(); | |
this.setTitle("Counter"); | |
this.setSize(300, 95); | |
this.setLocation(dim.width / 2 - this.getSize().width / 2, dim.height / 2 - this.getSize().height / 2); | |
this.setDefaultCloseOperation(EXIT_ON_CLOSE); | |
this.setVisible(true); | |
Container contentPane = this.getContentPane(); | |
contentPane.setLayout(new BorderLayout()); | |
contentPane.setBackground(new Color(88, 88, 89)); | |
JPanel panel_1 = new JPanel(new GridLayout(1, 2)); | |
label = new JLabel("Counter"); | |
label.setHorizontalAlignment(JLabel.CENTER); | |
label.addMouseListener(new MouseAdapter() { | |
@Override | |
public void mouseClicked(MouseEvent e) { | |
label.setText("BOI, don't click me!"); | |
(new java.util.Timer()).schedule(new TimerTask() { | |
@Override | |
public void run() { | |
label.setText("Counter"); | |
} | |
}, 3 * 1000); | |
} | |
}); | |
txtField = new JTextField(); | |
txtField.setEditable(false); | |
txtField.setBorder(new BevelBorder(BevelBorder.LOWERED)); | |
txtField.setHorizontalAlignment(JTextField.CENTER); | |
txtField.setText(Integer.toString(count)); | |
txtField.setPreferredSize(new Dimension(20, 30)); | |
panel_1.add(label); | |
panel_1.add(txtField); | |
JPanel panel_2 = new JPanel(new GridLayout(1, 2)); | |
increment = new JButton("Increment"); | |
increment.addActionListener(this); | |
increment.setMnemonic(KeyEvent.VK_I); | |
clear = new JButton("Clear"); | |
clear.addActionListener(this); | |
clear.setMnemonic(KeyEvent.VK_C); | |
panel_2.add(increment); | |
panel_2.add(clear); | |
contentPane.add(panel_1, BorderLayout.NORTH); | |
contentPane.add(panel_2, BorderLayout.SOUTH); | |
this.update(); | |
} | |
@Override | |
public void actionPerformed(ActionEvent e) { | |
if (e.getSource() == increment) | |
count += 1; | |
else | |
count = 0; | |
txtField.setText(Integer.toString(count)); | |
this.update(); | |
} | |
private void update() { | |
this.repaint(); | |
this.revalidate(); | |
} | |
public static void main(String[] args) { | |
Sandbox a = new Sandbox(); | |
} | |
} |
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