!7

sS background = #1009931;
static JDesktopPane desktop;
static JTextField tfInput;
static L<Module> modules = synchroList();

p-noconsole {
  autoRestart(5);
  desktop = jTiledBackgroundDesktopPane(background);
  autoFixDesktopPane(desktop);
  cleanExitOnFrameClose(showMaximizedFrame(desktop));
    
  final JInternalFrame f = showCenteredInternalFrame(desktop, "Hello", 700, 150, setFontSize(20, tfInput = jcenteredtextfield("Find me some stuff")));
  packInternalFrameVertically(f);
  centerInternalFrame(f);
  swing {
    f.setLocation(f.getX(), 40);
  }
}

sbool hasModuleWithFields(Class c, O... params) {
  ret hasWhere(modules, c, params);
}

svoid startModule(Module m) {
  addIfNotThere(modules, m);
  lock m.lock;
  if (m.started) ret;
  m.started = true;
  m.start();
}

svoid showModule(final Module m) {
  startModule(m);
  lock m.lock;
  if (m.vis == null)
    m.vis = m.visualize();
  swing {
    Rect r = randomRect(desktop.getWidth(), desktop.getHeight(), 10, 150, 50);
    if (r == null) r = Rect(10, 10, 200, 100);
    showInternalFrame(desktop, shortClassName(m), r.x, r.y, r.w, r.h, m.vis);
  }
}

sclass Module {
  Component vis;
  bool started;
  Lock lock;
  
  JComponent visualize() { ret jCenteredMultiLineLabel(sfu(this)); }
  void start() {}
  void cleanMeUp() {}
}

sclass InterestingStringModule extends Module {
  S theString;
}

sclass InputToInterestingString extends Module {
  transient java.util.Timer timer;
  
  void start {
    timer = doEvery(1000, r {
      S s = getTextTrim(tfInput);
      if (!hasModuleWithFields(InterestingStringModule, theString := s))
        startModule(nu(InterestingStringModule, theString := s));
    });
  }

  void cleanMeUp() { cancelTimer(timer); }
}