/
MainPanel.java
76 lines (68 loc) · 2.4 KB
/
MainPanel.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
// -*- mode:java; encoding:utf-8 -*-
// vim:set fileencoding=utf-8:
// @homepage@
package example;
import java.awt.*;
import java.io.File;
import javax.swing.*;
public final class MainPanel extends JPanel {
private final JTextArea log = new JTextArea();
private MainPanel() {
super(new BorderLayout());
JPanel p = new JPanel();
p.setBorder(BorderFactory.createTitledBorder("JFileChooser"));
p.add(makeButton1());
p.add(makeButton2());
add(p, BorderLayout.NORTH);
add(new JScrollPane(log));
setPreferredSize(new Dimension(320, 240));
}
private JButton makeButton1() {
JButton button = new JButton("Default");
button.addActionListener(e -> {
JFileChooser fileChooser = new JFileChooser();
int retValue = fileChooser.showOpenDialog(getRootPane());
if (retValue == JFileChooser.APPROVE_OPTION) {
log.setText(fileChooser.getSelectedFile().getAbsolutePath());
}
});
return button;
}
private JButton makeButton2() {
JButton button = new JButton("setMultiSelectionEnabled(true)");
button.addActionListener(e -> {
JFileChooser fileChooser = new JFileChooser();
// fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
// fileChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
// fileChooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
fileChooser.setMultiSelectionEnabled(true);
int retValue = fileChooser.showOpenDialog(getRootPane());
if (retValue == JFileChooser.APPROVE_OPTION) {
log.setText("");
for (File file : fileChooser.getSelectedFiles()) {
log.append(file.getAbsolutePath() + "\n");
}
}
});
return button;
}
public static void main(String[] args) {
EventQueue.invokeLater(MainPanel::createAndShowGui);
}
private static void createAndShowGui() {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (UnsupportedLookAndFeelException ignored) {
Toolkit.getDefaultToolkit().beep();
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException ex) {
ex.printStackTrace();
return;
}
JFrame frame = new JFrame("@title@");
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.getContentPane().add(new MainPanel());
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}