Java tutorial
//package com.java2s; import java.io.File; import javax.swing.JComboBox; import javax.swing.JFileChooser; public class Main { /** * Opens a file chooser dialog * @param chooseAFolder true if the dialog should return a folder, false for a file */ public static String chooseFile(JComboBox comboBox, boolean chooseAFolder) { JFileChooser chooser = new JFileChooser(); String path = ""; String currentDir = ""; if (comboBox.getSelectedItem() != null) { currentDir = comboBox.getSelectedItem().toString(); } // Set whether we want to select a folder instead of a file if (chooseAFolder) { chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY); } chooser.setCurrentDirectory(new File(currentDir)); // Show open dialog; this method does not return until the dialog is closed if (chooser.showOpenDialog(comboBox) == JFileChooser.APPROVE_OPTION) { path = chooser.getSelectedFile().getAbsolutePath(); } if (path == null || path.equals("")) { return currentDir; } return path; } }