// ### Part of the [Rosy Framework](http://github.com/ff0000/rosy)
/* module.js */

// ## The RED Namespace
var RED = RED || {};

// ## RED.Module
// The Module Class. Contains helper functions shared by modules.
RED.Module = (function () {
 
 // Extend RED.Class
 return RED.Class.extend({
  
  // Store class-specific variables
  vars : {
   // Create a cache of custom events
   events : {}
  },

  // Bind a custom event(s) to a given module
  bind : function (type, method) {
   this.vars.events["on" + type] = this.vars.events["on" + type] || [];
   this.vars.events["on" + type].push(method);
  },
  
  // Unbind a custom event(s) from a given module
  unbind : function (type, method) {
   var group = this.vars.events["on" + type],
       i, j;
   
   if (group) {
    for (i = 0, j = group.length; i < j; i++) {
     if (!method || group[i] === method) {
      group[i] = null;
     }
    }
   }
  },

  // Triggers attached custom events
  trigger : function (type, args) {
   if (!this.vars.events) {
    return;
   }
   
   var events = this.vars.events["on" + type],
       i, j, event;
   
   if (events && events.length) {
    for (i = 0, j = events.length; i < j; i++) {
     event = events[i];
     
     if (event) {
      event.apply(this, args || [{
       type : type
      }]);
     }
    }
   }
  }
  
 });
}.call(RED));