public void handleEvent(Event event) {
String lPath = mDirectoryField.getText();
Shell lShell = OwlUI.getPrimaryShell();
DirectoryDialog dialog = new DirectoryDialog(lShell, SWT.OPEN);
dialog.setFilterPath(lPath);
dialog.open();
String lFileName = dialog.getFilterPath();
if (!"".equals(lFileName) && !lFileName.equalsIgnoreCase(lPath)) {
File lFile = new File(lFileName);
if (lFile.isDirectory()) {
mDirectoryField.setText(lFile.getPath());