From fd2c227cf7b0678bfc4785ae75c2411df2e7e578 Mon Sep 17 00:00:00 2001
From: coderaiser <mnemonic.enemy@gmail.com>
Date: Mon, 21 Jan 2013 10:18:43 -0500
Subject: [PATCH] refactored

---
 lib/client.js     |  8 ++++----
 lib/client/dom.js | 40 ++++++++++++++++++++++++++++++++--------
 2 files changed, 36 insertions(+), 12 deletions(-)

diff --git a/lib/client.js b/lib/client.js
index 0c69fedf..37aa6a81 100644
--- a/lib/client.js
+++ b/lib/client.js
@@ -759,12 +759,12 @@ CloudCmd._getJSONfromFileTable   = function(){
 return CloudCmd;
 })();
 
-window.onload = function(){
-    'use strict';
-    
+
+DOM.addOneTimeListener('load', function cloudcmdLoad(){
+    DOM.removeListener('load', cloudcmdLoad);
     /* базовая инициализация*/
     CloudCommander.init();
     
     /* загружаем Google Analytics */
     CloudCommander.GoogleAnalytics();
-};
+});
diff --git a/lib/client/dom.js b/lib/client/dom.js
index 8f35728e..bcea7207 100644
--- a/lib/client/dom.js
+++ b/lib/client/dom.js
@@ -70,17 +70,19 @@ var CloudCommander, Util,
      * @param pClass
      */
     DOM.addClass                = function(pElement, pClass){
-        var lRet_b = true;
+        var lRet;
         
-        var lClassList = pElement.classList;
-        if(lClassList){
-            if( !lClassList.contains(pClass) )
-                lClassList.add(pClass);
-            else
-                lRet_b = false;
+        if(pElement){
+            var lClassList = pElement.classList;
+            
+            if(lClassList){
+                if( !lClassList.contains(pClass) )
+                    lClassList.add(pClass);
+                    lRet = true;
+            }
         }
         
-        return lRet_b;
+        return lRet;
     };
     
     /**
@@ -102,6 +104,26 @@ var CloudCommander, Util,
         return lRet;
     };
     
+    /**
+     * safe add event listener
+     * @param pType
+     * @param pListener
+     * @param pUseCapture
+     * @param pElement {document by default}
+     */
+    DOM.addOneTimeListener       = function(pType, pListener, pUseCapture, pElement){
+        var lRet = this;
+        
+        DOM.addListener(pType,
+            function oneTime(pEvent){
+                DOM.removeListener(pType, oneTime, pUseCapture, pElement);
+                pListener(pEvent);
+            },
+            pUseCapture, pElement);
+        
+        return lRet;
+    };
+    
     /**
      * safe remove event listener
      * @param pType
@@ -497,6 +519,8 @@ var CloudCommander, Util,
             
             var lLoad     = function(pEvent){
                     DOM.removeListener('load', lLoad, false, lElement);
+                    DOM.removeListener('error', lError, false, lElement);
+                    
                     Util.exec(lFunc, pEvent);
                 },