Fixed: no error message when creating a category from the issue form fails (#1477).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3118 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/projects_controller.rb

@@ -197,7 +197,8 @@ class ProjectsController < ApplicationController
   # Add a new issue category to @project
   def add_issue_category
     @category = @project.issue_categories.build(params[:category])
-    if request.post? and @category.save
+    if request.post?
+      if @category.save
     	  respond_to do |format|
           format.html do
             flash[:notice] = l(:notice_successful_create)
@@ -210,6 +211,14 @@ class ProjectsController < ApplicationController
             }
           end
         end
+      else
+        respond_to do |format|
+          format.html
+          format.js do
+            render(:update) {|page| page.alert(@category.errors.full_messages.join('\n')) }
+          end
+        end
+      end
     end
   end