Avoid theme rescan when no theme is selected.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4559 e93f8b46-1217-0410-a6f0-8f06a7374b81

Avoid theme rescan when no theme is selected.
git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4559 e93f8b46-1217-0410-a6f0-8f06a7374b81
c8dc7fff · Jean-Philippe Lang · 523febf9 · c8dc7fff
Commit c8dc7fff authored Dec 22, 2010 by Jean-Philippe Lang
Hide whitespace changes
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themes.rb lib/redmine/themes.rb +2 -0

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--- a/lib/redmine/themes.rb
+++ b/lib/redmine/themes.rb
@@ -30,6 +30,8 @@ module Redmine
    
    # Return theme for given id, or nil if it's not found
    def self.theme(id, options={})
+      return nil if id.blank?
+      
      found = themes.find {|t| t.id == id}
      if found.nil? && options[:rescan] != false
        rescan