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:Main.java

/**
 * Displays a {@link JFileChooser} to select a file.
 *
 * @param title The title of the dialog.
 * @param startDirectory The directory where the dialog is initialed opened.
 * @param fileExtension File extension to filter each content of the opened
 * directories. Example ".xml"./*ww w  . j a va  2  s  .c om*/
 * @param startFile The preselected file where the dialog is initialed opened.
 * @return The {@link File} object selected, returns null if no file was selected.
 */
public static File chooseFile(String title, String startDirectory, final String fileExtension,
        String startFile) {
    JFileChooser chooser = new JFileChooser();
    chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
    chooser.setDialogTitle(title);

    if (fileExtension != null && !fileExtension.trim().equals("")) {
        FileFilter filter = new FileFilter() {

            @Override
            public boolean accept(File pathname) {
                return pathname.isDirectory() || pathname.getName().endsWith(fileExtension);
            }

            @Override
            public String getDescription() {
                return "(" + fileExtension + ")";
            }
        };

        chooser.setFileFilter(filter);
    }

    if (startDirectory != null && !startDirectory.trim().equals("")) {
        chooser.setCurrentDirectory(new File(startDirectory));
    }

    if (startFile != null && !startFile.trim().equals("")) {
        chooser.setSelectedFile(new File(startFile));
    }

    int status = chooser.showOpenDialog(null);

    if (status == JFileChooser.APPROVE_OPTION) {
        return chooser.getSelectedFile();
    }

    return null;
}

From source file:ExcelComponents.FileOpener.java

public static File openfile() {
    JFileChooser fileChooser = new JFileChooser();
    fileChooser.setAcceptAllFileFilterUsed(false);
    fileChooser.addChoosableFileFilter(excelfilter);

    int returnValue = fileChooser.showOpenDialog(null);
    if (returnValue == JFileChooser.APPROVE_OPTION) {
        File selectedFile = fileChooser.getSelectedFile();
        return (selectedFile);
    }/*from   w  ww . j a  va2 s  . c o  m*/
    return null;

}

From source file:Main.java

/**
 * Ask the user of a directory./*from w  w w  . ja  v a2s  .c o m*/
 *
 * @return The directory chosen by the user or null if the user has canceled the view.
 */
public static File chooseDirectory() {
    if (chooser == null) {
        chooser = new JFileChooser();
    }

    chooser.setAcceptAllFileFilterUsed(false);
    chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);

    int returnCode = chooser.showOpenDialog(new JFrame());

    if (returnCode == JFileChooser.APPROVE_OPTION) {
        return chooser.getSelectedFile();
    }

    return null;
}

From source file:MainClass.java

public MainClass() {
    JFileChooser fileChooser = new JFileChooser();
    fileChooser.setDialogTitle("Choose a file");
    this.getContentPane().add(fileChooser);
    fileChooser.setVisible(true);/*from  w  w w .  j  a v  a  2s.c om*/
}

From source file:Main.java

/**
 * Gets a text file chooser. Only files with the extension ".txt" and directories are shown.
 *
 * @return the file chooser/*from w ww.j  a v  a 2 s  .  c  om*/
 */
public static JFileChooser getTextFileChooser() {
    final JFileChooser chooser = new JFileChooser();
    FileNameExtensionFilter filter = new FileNameExtensionFilter("Text files", "txt");
    chooser.setFileFilter(filter);
    return chooser;
}

From source file:net.fabricmc.installer.installer.LocalVersionInstaller.java

public static void install(File mcDir, IInstallerProgress progress) throws Exception {
    JFileChooser fc = new JFileChooser();
    fc.setDialogTitle(Translator.getString("install.client.selectCustomJar"));
    fc.setFileFilter(new FileNameExtensionFilter("Jar Files", "jar"));
    if (fc.showOpenDialog(null) == JFileChooser.APPROVE_OPTION) {
        File inputFile = fc.getSelectedFile();

        JarFile jarFile = new JarFile(inputFile);
        Attributes attributes = jarFile.getManifest().getMainAttributes();
        String mcVersion = attributes.getValue("MinecraftVersion");
        Optional<String> stringOptional = ClientInstaller.isValidInstallLocation(mcDir, mcVersion);
        jarFile.close();//from  w ww. ja  v a  2  s  .com
        if (stringOptional.isPresent()) {
            throw new Exception(stringOptional.get());
        }
        ClientInstaller.install(mcDir, mcVersion, progress, inputFile);
    } else {
        throw new Exception("Failed to find jar");
    }

}

From source file:com.willwinder.universalgcodesender.uielements.components.FirmwareSettingsFileTypeFilter.java

public static JFileChooser getSettingsFileChooser() {
    FirmwareSettingsFileTypeFilter filter = new FirmwareSettingsFileTypeFilter();

    // Setup file browser with the last path used.
    JFileChooser fileChooser = new JFileChooser();
    fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
    fileChooser.setFileHidingEnabled(true);
    fileChooser.addChoosableFileFilter(filter);
    fileChooser.setAcceptAllFileFilterUsed(true);
    fileChooser.setFileFilter(filter);/*from  ww  w  . j a  va 2 s . c  om*/

    return fileChooser;
}

From source file:GraphEditorDemo.java

/**
 * a driver for this demo//from  w w  w.j av  a 2  s.  c  om
 */
@SuppressWarnings("serial")
public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    final GraphEditorDemo demo = new GraphEditorDemo();

    JMenu menu = new JMenu("File");
    menu.add(new AbstractAction("Make Image") {
        public void actionPerformed(ActionEvent e) {
            JFileChooser chooser = new JFileChooser();
            int option = chooser.showSaveDialog(demo);
            if (option == JFileChooser.APPROVE_OPTION) {
                File file = chooser.getSelectedFile();
                demo.writeJPEGImage(file);
            }
        }
    });
    menu.add(new AbstractAction("Print") {
        public void actionPerformed(ActionEvent e) {
            PrinterJob printJob = PrinterJob.getPrinterJob();
            printJob.setPrintable(demo);
            if (printJob.printDialog()) {
                try {
                    printJob.print();
                } catch (Exception ex) {
                    ex.printStackTrace();
                }
            }
        }
    });
    menu.add(new AbstractAction("Save") {
        public void actionPerformed(ActionEvent e) {
            JFileChooser chooser = new JFileChooser();
            int option = chooser.showSaveDialog(demo);
            if (option == JFileChooser.APPROVE_OPTION) {
                File file = chooser.getSelectedFile();
                demo.writeTopologyFile(file);
            }
        }
    });
    JPopupMenu.setDefaultLightWeightPopupEnabled(false);
    JMenuBar menuBar = new JMenuBar();
    menuBar.add(menu);
    frame.setJMenuBar(menuBar);
    frame.getContentPane().add(demo);
    frame.pack();
    frame.setVisible(true);
}

From source file:ExcelComponents.FileOpener.java

public static File[] openfiles() {
    JFileChooser fileChooser = new JFileChooser();
    fileChooser.setAcceptAllFileFilterUsed(false);
    fileChooser.addChoosableFileFilter(excelfilter);
    fileChooser.setMultiSelectionEnabled(true);
    int returnValue = fileChooser.showOpenDialog(null);
    if (returnValue == JFileChooser.APPROVE_OPTION) {
        File[] selectedFiles = fileChooser.getSelectedFiles().clone();
        return (selectedFiles);
    }/*from  w w w. java 2  s. c o  m*/
    return null;

}

From source file:Main.java

/**
 * Displays a {@link JFileChooser} to select a directory.
 *
 * @param title The title of the dialog.
 * @param startDirectory The directory where the dialog is initialed opened.
 * @return The {@link File} selected, returns null if no directory was selected.
 *//*from w  ww  . j  a v a 2 s .c  o m*/
public static File chooseDirectory(String title, File startDirectory) {
    JFileChooser chooser = new JFileChooser();
    chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
    chooser.setDialogTitle(title);

    if (startDirectory != null) {
        chooser.setCurrentDirectory(startDirectory);
    }

    int status = chooser.showOpenDialog(null);

    if (status == JFileChooser.APPROVE_OPTION) {
        return chooser.getSelectedFile();
    }

    return null;
}