public NavigationToolBar(ApplicationWindow appWin, List<? extends ApplicationAction> actions) {
super(ApplicationWindowToolBars.NAVIGATION);
this.appWin = appWin;
this.actions = actions;
showEditorStackAction = new ShowEditorStackAction();
appWin.getEditorService().addEditorServiceListener(new EditorServiceAdapter() {
@Override
public void editorOpened(EditorServiceEvent e) {
updateShowEditorStackAction();
}