From e3e9ac86750b20fb8ad6765011e06d569899612d Mon Sep 17 00:00:00 2001
From: Misko Hevery
Date: Wed, 14 Jul 2010 17:07:23 -0700
Subject: ng:style remembers previous style and properly resets to it

---
 src/directives.js | 11 ++++++++++-
 src/jqLite.js     |  9 ++++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/directives.js b/src/directives.js
index 6b81d864..4e7c070b 100644
--- a/src/directives.js
+++ b/src/directives.js
@@ -254,8 +254,17 @@ angularDirective("ng:hide", function(expression, element){
 
 angularDirective("ng:style", function(expression, element){
   return function(element){
+    var resetStyle = element.css();
     this.$onEval(function(){
-      element.css(this.$eval(expression) || {});
+      var style = this.$eval(expression) || {}, key, mergedStyle = {};
+      for(key in style) {
+        if (typeof resetStyle[key] == 'undefined') resetStyle[key] = null;
+        mergedStyle[key] = style[key];
+      }
+      for(key in resetStyle) {
+        mergedStyle[key] = mergedStyle[key] || resetStyle[key];
+      }
+      element.css(mergedStyle);
     }, element);
   };
 });
diff --git a/src/jqLite.js b/src/jqLite.js
index 68172fd8..a024507f 100644
--- a/src/jqLite.js
+++ b/src/jqLite.js
@@ -175,8 +175,15 @@ JQLite.prototype = {
       } else {
         return style[name];
       }
-    } else {
+    } else if(name) {
       extend(style, name);
+    } else {
+      var current = {};
+      for (var i=0; i<style.length; i++) {
+        name = style[i];
+        current[name] = style[name];
+      }
+      return current;
     }
   },
 
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