text: module.exports = function(RED) {
      var ui = require('../ui')(RED);
  
      function UiControlNode(config) {
          RED.nodes.createNode(this, config);
          this.events = config.events || "all";
          var node = this;
  
          this.on('input', function(msg) {
              if (typeof msg.payload !== "object") { msg.payload = {tab:msg.payload}; }
              // show/hide or enable/disable tabs
              if (msg.payload.hasOwnProperty("tabs")) {
                  ui.emit('ui-control', {tabs:msg.payload.tabs, socketid:msg.socketid});
              }
              // switch to tab name (or number)
              if (msg.payload.hasOwnProperty("tab")) {
                  ui.emit('ui-control', {tab:msg.payload.tab, socketid:msg.socketid});
              }
              // show or hide ui groups
              if (msg.payload.hasOwnProperty("group")) {
                  ui.emit('ui-control', {group:msg.payload.group, socketid:msg.socketid});
              }
              if ( msg.socketid !== undefined) ui.singleUserOnly = true; // ===
              else ui.singleUserOnly = false; // ===
          });
  
          var sendconnect = function(id, ip) {
              node.send({payload:"connect", socketid:id, socketip:ip});
          };
  
          var sendlost = function(id, ip) {
              node.send({payload:"lost", socketid:id, socketip:ip});
          };
  
          var sendchange = function(index, name, id, ip, p) {
              node.send({payload:"change", tab:index, name:name, socketid:id, socketip:ip, params:p});
          }
  
          if (node.events === "connect") {
              ui.ev.on('newsocket', sendconnect);
          }
          else if (node.events === "change") {
              ui.ev.on('changetab', sendchange);
          }
          else {
              ui.ev.on('newsocket', sendconnect);
              ui.ev.on('changetab', sendchange);
              ui.ev.on('endsocket', sendlost);
          }
  
          this.on('close', function() {
              if (node.events === "connect") {
                  ui.ev.removeListener('newsocket', sendconnect);
              }
              else if (node.events === "change") {
                  ui.ev.removeListener('changetab', sendchange);
              }
              else {
                  ui.ev.removeListener('newsocket', sendconnect);
                  ui.ev.removeListener('changetab', sendchange);
                  ui.ev.removeListener('endsocket', sendlost);
              }
          })
      }
      RED.nodes.registerType("ui_ui_control", UiControlNode);
  };
  