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SWT File Browser


This section illustrates you how to browse a file.

In SWT, the class FileDialog allow the user to navigate the file system and select a file name. In order to layout the text, we have used the method text.setLayoutData(data). The method file.isFile() tests whether the file denoted by the pathname is a normal file. The method file.list() returns an array of files and directories. The method text.setText(files[i]) sets the selected file in the text. The method text.setEditable(true) sets the editable state.




Here is the code of FileBrowser.java

import java.io.File;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;

public class FileBrowser {
  Display display = new Display();
  Shell shell = new Shell(display);
  Text text;

  public FileBrowser() {
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
    private void init() {
    shell.setText("File Browser");
    shell.setLayout(new GridLayout(2, true));
    GridData data = new GridData(GridData.FILL_BOTH);

    text = new Text(shell, SWT.NONE);
    Button button = new Button(shell, SWT.PUSH);
    button.addSelectionListener(new SelectionAdapter() {
      public void widgetSelected(SelectionEvent e) {
        FileDialog dialog = new FileDialog(shell, SWT.NULL);
        String path = dialog.open();
        if (path != null) {

          File file = new File(path);
          if (file.isFile())
            displayFiles(new String[] { file.toString()});

   public void displayFiles(String[] files) {
    for (int i = 0; files != null && i < files.length; i++) {
   public static void main(String[] args) {
    new FileBrowser();

Output will be displayed as:


On clicking the browse button, file dialog will open:


After clicking the open button, output will be displayed as:


Download Source code


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