Handle Controller

handle.js

/**
 * You can use this to create callbacks by event names
 *  Use .on events to listen for the selected event
 *  Use .handle followed by the triggering event to execute
 *   all of the matching events
 *
 * @author Noah Halstead <[email protected]>
 */
function EventSpooler(){
  this.Events = {};
  this.OnceEvents = {};
}

/**
 * Trigger all matching Events
 *
 * @param String Trigger Event Name
 * @param Mixed Extra Data to pass to the calling function
 */
EventSpooler.prototype.handle = function(name, data){
  data = data?data:null;

  if(typeof this.Events[name] == "undefined"){
    this.Events[name] = [];
  }
  if(typeof this.OnceEvents[name] == "undefined"){
    this.OnceEvents[name] = [];
  }

  // Handle Always run events
  var funcList = this.Events[name];
  funcList.forEach(function(calling){
    calling[0](data, name);
  });

  // Handle Run Once Events
  var funcListOnce = this.OnceEvents[name];
  funcListOnce.forEach(function(calling){
    var i = funcListOnce.indexOf(calling);
    calling[0](data, name);
    if (i > -1) {
      funcListOnce.splice(i, 1); // Drop the Element from the Run Once
    }
  });
  this.OnceEvents = funcListOnce;
}

/**
 * Add a trigger action
 *
 * @param String Trigger Name
 * @param Function Function to call when trigger is being called
 */
EventSpooler.prototype.on = function(name, callback){
  if(typeof this.Events[name] == "undefined"){
    this.Events[name] = [];
  }

  if(typeof callback == "function"){
    // Add Evevnt Action to the Callback System
    this.Events[name].push([ callback ]);
    return true;
  }
  else {
    console.log("Can not handle "+ (typeof callback) +" callbacks")
    return false;
  }
}

/**
 * Add a trigger action, Run Once
 * It is removed from the Run Once after it is triggered Once
 *
 * @param String Trigger Name
 * @param Function Function to call when trigger is being called
 */
EventSpooler.prototype.once = function(name, callback){
  if(typeof this.OnceEvents[name] == "undefined"){
    this.OnceEvents[name] = [];
  }

  if(typeof callback == "function"){
    // Add Evevnt Action to the Callback System
    this.OnceEvents[name].push([ callback ]);
    return true;
  }
  else {
    console.log("Can not handle "+ (typeof callback) +" callbacks")
    return false;
  }
}

handle.min.js

/**
 * You can use this to create callbacks by event names
 *  Use .on events to listen for the selected event
 *  Use .handle followed by the triggering event to execute
 *   all of the matching events
 *
 * @author Noah Halstead <[email protected]>
 */
function EventSpooler(){this.Events={},this.OnceEvents={}}EventSpooler.prototype.handle=function(n,t){t=t||null,void 0===this.Events[n]&&(this.Events[n]=[]),void 0===this.OnceEvents[n]&&(this.OnceEvents[n]=[]),this.Events[n].forEach(function(e){e[0](t,n)});var e=this.OnceEvents[n];e.forEach(function(o){var s=e.indexOf(o);o[0](t,n),s>-1&&e.splice(s,1)}),this.OnceEvents=e},EventSpooler.prototype.on=function(n,t){return void 0===this.Events[n]&&(this.Events[n]=[]),"function"==typeof t?(this.Events[n].push([t]),!0):(console.log("Can not handle "+typeof t+" callbacks"),!1)},EventSpooler.prototype.once=function(n,t){return void 0===this.OnceEvents[n]&&(this.OnceEvents[n]=[]),"function"==typeof t?(this.OnceEvents[n].push([t]),!0):(console.log("Can not handle "+typeof t+" callbacks"),!1)};

Demo

<script type="text/javascript">
  // Generate a New Spooler
  var tSpool = new EventSpooler();

  // Add Event Listener
  tSpool.on("go", function(){
    console.log("24");
  });

  // Add Event Listener
  tSpool.on("go", function(){
    console.log("25");
  });

  // Add Event Listener BUT only Run Once
  tSpool.once("go", function(){
    console.log("Once");
  });

  // Call a Trigger with the Given Event.
  tSpool.handle("go");
</script>