From f6924a4a6fad062a90abe1ef44695b985fb8947d Mon Sep 17 00:00:00 2001
From: campaign <zhanyi1022@gmail.com>
Date: Tue, 19 Feb 2013 15:43:57 +0800
Subject: [PATCH] by zhanyi

---
 _src/core/filternode.js | 14 +++++++++++++-
 _src/core/node.js       | 27 ++++++++++++---------------
 2 files changed, 25 insertions(+), 16 deletions(-)

diff --git a/_src/core/filternode.js b/_src/core/filternode.js
index 50dc9aa3..fd203682 100644
--- a/_src/core/filternode.js
+++ b/_src/core/filternode.js
@@ -44,7 +44,10 @@ var filterNode = UE.filterNode = function () {
                                    });
                                    tmpVal = tmpCssStyle.join(';')
                                }
-                               tmpAttrs[a] = tmpVal;
+                               if(tmpVal !== ""){
+                                   tmpAttrs[a] = tmpVal;
+                               }
+
                            }
                            node.attrs = tmpAttrs;
                        }
@@ -80,6 +83,15 @@ var filterNode = UE.filterNode = function () {
 
     }
     return function(root,rules){
+        if(utils.isEmptyObject(rules)){
+            return root;
+        }
+        var val;
+        if(val = rules['-']){
+            utils.each(val.split(' '),function(k){
+                rules[k] = '-'
+            })
+        }
         for(var i= 0,ci;ci=root.children[i];){
             filterNode(ci,rules);
             if(ci.parentNode){
diff --git a/_src/core/node.js b/_src/core/node.js
index fe667a06..bb86efc5 100644
--- a/_src/core/node.js
+++ b/_src/core/node.js
@@ -229,34 +229,31 @@
         },
         insertBefore:function (target, source) {
             if (this.children) {
+                if(target.parentNode){
+                    target.parentNode.removeChild(target);
+                }
                 for (var i = 0, ci; ci = this.children[i]; i++) {
-                    if (ci === target) {
-                        this.children.splice(i, 1);
-                        i--;
-                    }
                     if (ci === source) {
                         this.children.splice(i, 0, target);
                         target.parentNode = this;
-                        i++;
+                        return target;
                     }
                 }
-                return target;
+
             }
         },
         insertAfter:function (target, source) {
             if (this.children) {
+                if(target.parentNode){
+                    target.parentNode.removeChild(target);
+                }
                 for (var i = 0, ci; ci = this.children[i]; i++) {
-                    if (ci === target) {
-                        this.children.splice(i, 1);
-                        i--;
-                    }
                     if (ci === source) {
-                        this.children.splice(i + 1, 1, target);
+                        this.children.splice(i + 1, 0, target);
                         target.parentNode = this;
-                        i = i + 2;
-
+                        return target;
                     }
-                    return target;
+
                 }
             }
         },
@@ -341,7 +338,7 @@
             }
             var reg = new RegExp(name + ':([^;]+)');
             var match = cssStyle.match(reg);
-            if (match[0]) {
+            if (match && match[0]) {
                 return match[1]
             }
             return '';
-- 
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