// prepares and opens project directory edit dialog
private void openProjectDirectoryEditDialog() {
if (projectDirectoryEditDialog == null) {
// Dialog initialization
projectDirectoryEditDialog = new ProjectDirectoryEditDialog(CometeUtils
.getWindowForComponent(this), "Project Directory", true);
projectDirectoryEditDialog.setHeaderIcon(iconsManager
.getIcon("DataRecorder.directory.root"));
projectDirectoryEditDialog.setDefaultIcon(iconsManager
.getIcon("DataRecorder.dialog.default"));