Function convertToMenuSign

src/main/js/modules/signs/menu.js:92–144

(/* Sign */ sign, save)

   The function returned by signs.menu is for use by admins/ops.
   */
  var convertToMenuSign = function(/* Sign */ sign, save) {
    if (typeof save == 'undefined') {
      save = true;
    }
    //
    // per-sign variables go here
    //
    var cSelectedIndex = selectedIndex;
    setLine(sign, 0, paddedLabel.bold());
    var _updateSign = function(p_player, p_sign) {
      cSelectedIndex = (cSelectedIndex + 1) % optLen;
      _redrawMenuSign(p_sign, cSelectedIndex, displayOptions);
      var signSelectionEvent = {
        player: p_player,
        sign: p_sign,
        text: options[cSelectedIndex],
        number: cSelectedIndex
      };
      callback(signSelectionEvent);
    };

    /* 
     get a unique ID for this particular sign instance
     */
    var signLoc = sign.block.location;
    var menuSignSaveData = utils.locationToJSON(signLoc);
    var menuSignUID = JSON.stringify(menuSignSaveData);
    /*
     keep a reference to the update function for use by the event handler
     */
    _updaters[menuSignUID] = _updateSign;

    // initialize the sign
    _redrawMenuSign(sign, cSelectedIndex, displayOptions);

    /*
     whenever a sign is placed somewhere in the world
     (which is what this function does)
     save its location for loading and initialization 
     when the server starts up again.
     */
    if (save) {
      if (typeof store.menus == 'undefined') {
        store.menus = {};
      }
      var signLocations = store.menus[label];
      if (typeof signLocations == 'undefined') {
        signLocations = store.menus[label] = [];
      }
      signLocations.push(menuSignSaveData);
    }
    return sign;
  }; // end of convertToMenuSign function

  /*
   a new sign definition - need to store (in-memory only)