69 lines
2.1 KiB
Java
69 lines
2.1 KiB
Java
// ui/FileChooserTest.java
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// (c)2016 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
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// Demonstration of File dialog boxes.
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import javax.swing.*;
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import java.awt.*;
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import java.awt.event.*;
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import static onjava.SwingConsole.*;
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public class FileChooserTest extends JFrame {
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private JTextField
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fileName = new JTextField(),
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dir = new JTextField();
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private JButton
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open = new JButton("Open"),
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save = new JButton("Save");
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public FileChooserTest() {
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JPanel p = new JPanel();
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open.addActionListener(new OpenL());
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p.add(open);
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save.addActionListener(new SaveL());
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p.add(save);
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add(p, BorderLayout.SOUTH);
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dir.setEditable(false);
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fileName.setEditable(false);
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p = new JPanel();
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p.setLayout(new GridLayout(2,1));
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p.add(fileName);
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p.add(dir);
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add(p, BorderLayout.NORTH);
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}
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class OpenL implements ActionListener {
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@Override
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public void actionPerformed(ActionEvent e) {
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JFileChooser c = new JFileChooser();
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// Demonstrate "Open" dialog:
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int rVal = c.showOpenDialog(FileChooserTest.this);
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if(rVal == JFileChooser.APPROVE_OPTION) {
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fileName.setText(c.getSelectedFile().getName());
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dir.setText(c.getCurrentDirectory().toString());
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}
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if(rVal == JFileChooser.CANCEL_OPTION) {
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fileName.setText("You pressed cancel");
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dir.setText("");
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}
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}
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}
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class SaveL implements ActionListener {
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@Override
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public void actionPerformed(ActionEvent e) {
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JFileChooser c = new JFileChooser();
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// Demonstrate "Save" dialog:
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int rVal = c.showSaveDialog(FileChooserTest.this);
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if(rVal == JFileChooser.APPROVE_OPTION) {
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fileName.setText(c.getSelectedFile().getName());
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dir.setText(c.getCurrentDirectory().toString());
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}
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if(rVal == JFileChooser.CANCEL_OPTION) {
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fileName.setText("You pressed cancel");
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dir.setText("");
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}
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}
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}
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public static void main(String[] args) {
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run(new FileChooserTest(), 250, 150);
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}
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}
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