From 444eb6041ef7b0b5f1daacd5d0f18b0177ec9a0b Mon Sep 17 00:00:00 2001
From: coderaiser <mnemonic.enemy@gmail.com>
Date: Tue, 19 Nov 2013 12:27:25 +0000
Subject: [PATCH] feature(dom) saveDataToCache: add Cache.get

---
 lib/client/dom.js | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)

diff --git a/lib/client/dom.js b/lib/client/dom.js
index fbd2c919..836fc545 100644
--- a/lib/client/dom.js
+++ b/lib/client/dom.js
@@ -1758,20 +1758,25 @@ var CloudCmd, Util, DOM, CloudFunc, Dialog;
              */
             this.saveDataToCache = function(name, data, callback) {
                 CloudCmd.getConfig(function(config) {
-                    var allowed = config.localStorage;
+                    var cacheName,
+                        allowed = config.localStorage;
                     
                     if (!allowed)
                         Util.exec(callback);
                     else {
-                        Cache.set(name + '-data', data);
-                        DOM.loadCurrentHash(function(hash) {
-                            var isContain = Util.isContainStr(hash, 'error');
-                            
-                            if (!isContain)
-                                Cache.set(name + '-hash', hash);
-                            
-                            Util.exec(callback, hash);
-                        });
+                        cacheName = name + '-data';
+                        
+                        if (!!Cache.get(cacheName)) {
+                            Cache.set(cacheName, data);
+                            DOM.loadCurrentHash(function(hash) {
+                                var isContain = Util.isContainStr(hash, 'error');
+                                
+                                if (!isContain)
+                                    Cache.set(name + '-hash', hash);
+                                
+                                Util.exec(callback, hash);
+                            });
+                        }
                     }
                 });
             };