Speedup for sortable with handles initialization in rails trunk too

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4068 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

2 files changed, 5 insertions, 4 deletions

diff --git a/railties/html/javascripts/dragdrop.js b/railties/html/javascripts/dragdrop.js
index f59c1f2997..f1dc7ea2ab 100644
--- a/railties/html/javascripts/dragdrop.js
+++ b/railties/html/javascripts/dragdrop.js
@@ -208,7 +208,7 @@ Draggable.prototype = {
     this.element = $(element);
     
     if(options.handle && (typeof options.handle == 'string'))
-      this.handle = Element.childrenWithClassName(this.element, options.handle)[0];  
+      this.handle = Element.childrenWithClassName(this.element, options.handle, true)[0];  
     if(!this.handle) this.handle = $(options.handle);
     if(!this.handle) this.handle = this.element;
     
diff --git a/railties/html/javascripts/effects.js b/railties/html/javascripts/effects.js
index e23554ecad..bcf836b83c 100644
--- a/railties/html/javascripts/effects.js
+++ b/railties/html/javascripts/effects.js
@@ -76,9 +76,10 @@ Element.getInlineOpacity = function(element){
   return $(element).style.opacity || '';
 }  
 
-Element.childrenWithClassName = function(element, className) {  
-  return $A($(element).getElementsByTagName('*')).select(
-    function(c) { return Element.hasClassName(c, className) });
+Element.childrenWithClassName = function(element, className, findFirst) {
+  return [$A($(element).getElementsByTagName('*'))[findFirst ? 'detect' : 'select']( function(c) { 
+    return c.className ? Element.hasClassName(c, className) : false;
+  })].flatten();
 }
 
 Element.forceRerendering = function(element) {