From c532a818b7065b1398eb4a049d26b260a3695280 Mon Sep 17 00:00:00 2001
From: coderaiser <mnemonic.enemy@gmail.com>
Date: Fri, 23 Jan 2015 08:22:15 -0500
Subject: [PATCH] feature(edward) add on

---
 lib/client/edit.js   |  7 ++++++-
 lib/client/edward.js | 37 ++++++++++++++++++++++++++++++++++---
 2 files changed, 40 insertions(+), 4 deletions(-)

diff --git a/lib/client/edit.js b/lib/client/edit.js
index 895290bb..b3ba5696 100644
--- a/lib/client/edit.js
+++ b/lib/client/edit.js
@@ -1,4 +1,4 @@
-var CloudCmd, Util, DOM, CloudFunc, MenuIO, edward;
+var CloudCmd, Util, DOM, CloudFunc, MenuIO, Format, edward;
 (function(CloudCmd, Util, DOM) {
     'use strict';
     
@@ -95,6 +95,11 @@ var CloudCmd, Util, DOM, CloudFunc, MenuIO, edward;
         this.create = function(element) {
             Element     = element;
             
+            edward.on('save', function(value) {
+                var size    = Format.size(value);
+                DOM.setCurrentSize(size);
+            });
+            
             edward.addCommand({
                 name    : 'hide',
                 bindKey : { win: 'Esc',  mac: 'Esc' },
diff --git a/lib/client/edward.js b/lib/client/edward.js
index a0670918..b3286ad5 100644
--- a/lib/client/edward.js
+++ b/lib/client/edward.js
@@ -1,4 +1,4 @@
-var join, ace, load, Util, DOM, io, daffy, Format, restafary;
+var join, ace, load, Util, DOM, io, daffy, restafary;
 
 (function(global, join, DOM, exec, loadRemote) {
     'use strict';
@@ -22,6 +22,7 @@ var join, ace, load, Util, DOM, io, daffy, Format, restafary;
             
             DIR             = '/modules/',
             Files           = DOM.Files,
+            Emitter         = new Events(),
             Storage         = DOM.Storage,
             MAX_FILE_SIZE   = 512000,
             
@@ -120,6 +121,11 @@ var join, ace, load, Util, DOM, io, daffy, Format, restafary;
             return Ace.getValue();
         };
         
+        edward.on               = function(event, fn) {
+            Emitter.on(event, fn);
+            return edward;
+        };
+        
         edward.isChanged        = function() {
             var is,
                 value   = edward.getValue(),
@@ -309,7 +315,6 @@ var join, ace, load, Util, DOM, io, daffy, Format, restafary;
         }
         function onSave(error, text) {
             var ret,
-                size    = Format.size(Value.length),
                 msg     = '\nShould I save file anyway?';
                 
             if (error) {
@@ -327,7 +332,7 @@ var join, ace, load, Util, DOM, io, daffy, Format, restafary;
                     DOM.saveDataToStorage(FileName, Value, hash);
                 });
                 
-                DOM.setCurrentSize(size);
+                Emitter._emit('save', Value.length);
             }
         }
         
@@ -589,6 +594,32 @@ var join, ace, load, Util, DOM, io, daffy, Format, restafary;
             document.body.appendChild(element);
         }
         
+        function Events() {
+            this._all = {};
+        }
+        
+        Events.prototype.on = function(event, callback) {
+            var funcs = this._all[event];
+            
+            if (funcs)
+                funcs.push(callback);
+            else
+                this._all[event] = [callback];
+            
+            return this;
+        };
+        
+        Events.prototype._emit = function(event, data) {
+            var funcs = this._all[event];
+            
+            if (funcs)
+                funcs.forEach(function(fn) {
+                    fn(data);
+                });
+            else if (event === 'error')
+                throw data;
+        };
+        
         return edward;
     }