Source/Types/Function.js

   1 /*
   2 ---
   3
   4 script: Function.js
   5
   6 description: Contains Function Prototypes like create, bind, pass, and delay.
   7
   8 license: MIT-style license.
   9
  10 requires: Type
  11
  12 provides: Function
  13
  14 ...
  15 */
  16
  17 Function.extend({stab: function(){
  18         for (var i = 0, l = arguments.length; i < l; i++){
  19                 try {
  20                         return arguments[i]();
  21                 } catch (e){}
  22         }
  23         return null;
  24 }});
  25
  26 Function.implement({
  27
  28         extend: function(properties){
  29                 for (var property in properties) this[property] = properties[property];
  30                 return this;
  31         },
  32
  33         create: function(options){
  34                 var self = this;
  35                 options = options || {};
  36                 return function(event){
  37                         var args = options.arguments;
  38                         args = (args != undefined) ? $splat(args) : Array.slice(arguments, (options.event) ? 1 : 0);
  39                         if (options.event) args = [event || window.event].extend(args);
  40                         var returns = function(){
  41                                 return self.apply(options.bind || null, args);
  42                         };
  43                         if (options.delay) return setTimeout(returns, options.delay);
  44                         if (options.periodical) return setInterval(returns, options.periodical);
  45                         if (options.attempt) return $try(returns);
  46                         return returns();
  47                 };
  48         },
  49
  50         run: function(args, bind){
  51                 return this.apply(bind, $splat(args));
  52         },
  53
  54         pass: function(args, bind){
  55                 return this.create({bind: bind, arguments: args});
  56         },
  57
  58         bind: function(bind, args){
  59                 return this.create({bind: bind, arguments: args});
  60         },
  61
  62         bindWithEvent: function(bind, args){
  63                 return this.create({bind: bind, arguments: args, event: true});
  64         },
  65
  66         attempt: function(args, bind){
  67                 return this.create({bind: bind, arguments: args, attempt: true})();
  68         },
  69
  70         delay: function(delay, bind, args){
  71                 return this.create({bind: bind, arguments: args, delay: delay})();
  72         },
  73
  74         periodical: function(periodical, bind, args){
  75                 return this.create({bind: bind, arguments: args, periodical: periodical})();
  76         }
  77
  78 });