Example usage for javax.swing JFileChooser JFileChooser

Introduction

In this page you can find the example usage for javax.swing JFileChooser JFileChooser.

Prototype

public JFileChooser()

Source Link

Document

Constructs a JFileChooser pointing to the user's default directory.

Usage

From source file:FileChooserDialog.java

public static void main(String[] args) {
    JFileChooser fileopen = new JFileChooser();
    FileFilter filter = new FileNameExtensionFilter("c files", "c");
    fileopen.addChoosableFileFilter(filter);

    int ret = fileopen.showDialog(null, "Open file");

    if (ret == JFileChooser.APPROVE_OPTION) {
        File file = fileopen.getSelectedFile();
        System.out.println(file);
    }// ww  w .  j a  va  2  s .c  o m
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JFileChooser chooser = new JFileChooser();
    File file = new File("filename.txt");
    Icon icon = chooser.getIcon(file);

    JLabel label = new JLabel("" + file);
    label.setIcon(icon);/*from  w  w  w .  ja v  a 2s . c om*/
    JFrame frame = new JFrame();
    frame.getContentPane().add(label, BorderLayout.CENTER);
    frame.pack();
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    String text = "JFileChooser, you're my only friend.";

    JFileChooser chooser = new JFileChooser();
    int result = chooser.showSaveDialog(null);

    if (result == JFileChooser.APPROVE_OPTION) {
        try {/*  ww  w  . j  ava  2s.com*/
            File file = chooser.getSelectedFile();
            FileWriter writer = new FileWriter(file);
            writer.write(text);
            writer.close();
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }
}

From source file:Main.java

public static void main(String[] argv) {

    JFileChooser chooser = new JFileChooser();

    chooser.addPropertyChangeListener(new PropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent evt) {
            if (JFileChooser.SELECTED_FILE_CHANGED_PROPERTY.equals(evt.getPropertyName())) {
                JFileChooser chooser = (JFileChooser) evt.getSource();
                File oldFile = (File) evt.getOldValue();
                File newFile = (File) evt.getNewValue();

                System.out.println(oldFile);
                System.out.println(newFile);
                System.out.println(chooser.getSelectedFile());
            } else if (JFileChooser.SELECTED_FILES_CHANGED_PROPERTY.equals(evt.getPropertyName())) {
                JFileChooser chooser = (JFileChooser) evt.getSource();
                File[] oldFiles = (File[]) evt.getOldValue();
                File[] newFiles = (File[]) evt.getNewValue();

                Arrays.toString(oldFiles);
                Arrays.toString(newFiles);
                File[] files = chooser.getSelectedFiles();
                Arrays.toString(files);
            }// w  w w . j  av  a 2 s  .co m
        }
    });

    chooser.setVisible(true);

}

From source file:Main.java

public static void main(String[] argv) {
    JFileChooser chooser = new JFileChooser();
    chooser.setAccessory(new MyAccessory(chooser));
    chooser.showOpenDialog(null);//  www  .ja  va 2  s .  c  o m
}

From source file:Main.java

public static void main(String[] args) {
    FileNameExtensionFilter extFilter = new FileNameExtensionFilter("Java Source  File", "java", "jav");
    // Set the file filter
    JFileChooser fileChooser = new JFileChooser();
    fileChooser.addChoosableFileFilter(extFilter);

    int returnValue = fileChooser.showDialog(null, "Attach");
    if (returnValue == JFileChooser.APPROVE_OPTION) {
        // Process the file
    }/*from ww w  .j a v a 2s  .co  m*/

}

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    JFileChooser fc = new JFileChooser();
    fc.setMultiSelectionEnabled(true);//from   w w  w.  j a  v a  2 s . c  om
    fc.setCurrentDirectory(new File("C:\\tmp"));
    JButton btn1 = new JButton("Show Dialog");
    btn1.addActionListener(e -> fc.showDialog(frame, "Choose"));
    JButton btn2 = new JButton("Show Open Dialog");
    btn2.addActionListener(e -> {
        int retVal = fc.showOpenDialog(frame);
        if (retVal == JFileChooser.APPROVE_OPTION) {
            File[] selectedfiles = fc.getSelectedFiles();
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < selectedfiles.length; i++) {
                sb.append(selectedfiles[i].getName());
                sb.append("\n");
            }
            JOptionPane.showMessageDialog(frame, sb.toString());
        }
    });
    JButton btn3 = new JButton("Show Save Dialog");
    btn3.addActionListener(e -> fc.showSaveDialog(frame));
    Container pane = frame.getContentPane();
    pane.setLayout(new GridLayout(3, 1, 10, 10));
    pane.add(btn1);
    pane.add(btn2);
    pane.add(btn3);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.pack();
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JPanel panel = new JPanel();
    final JButton button = new JButton("Select files...");
    button.addActionListener(e -> {//w  w  w  .j av  a  2  s  .  co  m
        final JFileChooser chooser = new JFileChooser();
        chooser.setCurrentDirectory(chooser.getFileSystemView().getParentDirectory(new File("C:\\")));
        chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
        chooser.showDialog(button, "Select file");
    });
    panel.add(button);
    frame.add(panel);
    frame.pack();
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    Image image = new BufferedImage(32, 32, BufferedImage.TYPE_INT_RGB);

    JFrame f = new JFrame();
    f.setIconImage(image);/*from   w w  w. j  a  va 2 s  . c  om*/
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.pack();
    f.setSize(600, 400);
    f.setVisible(true);

    JFileChooser chooser = new JFileChooser();
    chooser.showOpenDialog(f);
}

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    final JButton button = new JButton("Click me");
    button.addActionListener(e -> {//from ww w.  j a v a  2 s.c om
        JFileChooser chooser = new JFileChooser();
        chooser.setSelectedFile(new File(chooser.getCurrentDirectory(), "save.dat"));
        final JTextField textField = getTexField(chooser);
        if (textField == null) {
            return;
        }
        String text = textField.getText();
        if (text == null) {
            return;
        }
        int index = text.lastIndexOf('.');
        if (index == -1) {
            return;
        }
        textField.setSelectionStart(0);
        textField.setSelectionEnd(index);

        chooser.showSaveDialog(button);

    });
    frame.add(button);
    frame.pack();
    frame.setVisible(true);
}