sclass SavedSessions extends Module {
  transient SS sessions;
  transient JTable table;
  transient new Var<Bool> changed;
  
  void start {
    sessions = new FileBasedStringMap(javaxSavedSessionsDir());
  }
  
  void triggerUpdate {
    changed.set(true); super.triggerUpdate();
  }
  
  JComponent visualize() {
    table = sexyTable();
    VF1<Int> restore = voidfunc(int row) {
      S name = (S) getTableCell(table, row, 0);
      S text = sessions.get(name);
      if (text != null)
        restoreModulesSession(text);
    };
    tablePopupMenuItemsThreaded(table, "Restore", restore);
    onDoubleClickThreaded(table, restore);
    triggerUpdate();
    
    ret centerAndSouthWithMargins(table, jbutton("Save session...", r {
      inputText("Save session as", voidfunc(S name) {
        fS text = modulesSessionGrab();
        sessions.put(or2(trim(name), "Unnamed Session") + " [" + localDateWithSeconds() + ", " + computerID() + ", OS: " + programID() + "]", text);
        triggerUpdate();
      });
    }));
  }
  void unvisualize2() { table = null; }
  
  void update() {
    if (atomicFlipVarToFalse(changed))
      dataToTable_uneditable(table, listToMapsWithSingleKey("Session Name", sortedKeys(sessions)));
  }
}