Reload themes so that new themes can be used without restarting Redmine (#5712).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4432 e93f8b46-1217-0410-a6f0-8f06a7374b81

3 files changed, 73 insertions, 3 deletions

diff --git a/app/controllers/settings_controller.rb b/app/controllers/settings_controller.rb
index 2e904ec19..804a7fda3 100644
--- a/app/controllers/settings_controller.rb
+++ b/app/controllers/settings_controller.rb
@@ -44,6 +44,8 @@ class SettingsController < ApplicationController
 
     @guessed_host_and_path = request.host_with_port.dup
     @guessed_host_and_path << ('/'+ Redmine::Utils.relative_url_root.gsub(%r{^\/}, '')) unless Redmine::Utils.relative_url_root.blank?
+    
+    Redmine::Themes.rescan
   end
 
   def plugin
diff --git a/lib/redmine/themes.rb b/lib/redmine/themes.rb
index 57cdecb10..f932f9563 100644
--- a/lib/redmine/themes.rb
+++ b/lib/redmine/themes.rb
@@ -29,8 +29,13 @@ module Redmine
     end
     
     # Return theme for given id, or nil if it's not found
-    def self.theme(id)
-      themes.find {|t| t.id == id}
+    def self.theme(id, options={})
+      found = themes.find {|t| t.id == id}
+      if found.nil? && options[:rescan] != false
+        rescan
+        found = theme(id, :rescan => false)
+      end
+      found
     end
   
     # Class used to represent a theme
@@ -45,7 +50,11 @@ module Redmine
       
       # Directory name used as the theme id
       def id; dir end
-
+      
+      def ==(theme)
+        theme.is_a?(Theme) && theme.dir == dir
+      end
+      
       def <=>(theme)
         name <=> theme.name
       end
diff --git a/test/unit/lib/redmine/themes_test.rb b/test/unit/lib/redmine/themes_test.rb
new file mode 100644
index 000000000..a2e9236e3
--- /dev/null
+++ b/test/unit/lib/redmine/themes_test.rb
@@ -0,0 +1,59 @@
+# Redmine - project management software
+# Copyright (C) 2006-2010  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+require File.dirname(__FILE__) + '/../../../test_helper'
+
+class Redmine::ThemesTest < ActiveSupport::TestCase
+  
+  def test_themes
+    themes = Redmine::Themes.themes
+    assert_kind_of Array, themes
+    assert_kind_of Redmine::Themes::Theme, themes.first
+  end
+  
+  def test_rescan
+    Redmine::Themes.themes.pop
+    
+    assert_difference 'Redmine::Themes.themes.size' do
+      Redmine::Themes.rescan
+    end
+  end
+  
+  def test_theme_loaded
+    theme = Redmine::Themes.themes.last
+    
+    assert_equal theme, Redmine::Themes.theme(theme.id)
+  end
+  
+  def test_theme_loaded_without_rescan
+    theme = Redmine::Themes.themes.last
+    
+    assert_equal theme, Redmine::Themes.theme(theme.id, :rescan => false)
+  end
+  
+  def test_theme_not_loaded
+    theme = Redmine::Themes.themes.pop
+    
+    assert_equal theme, Redmine::Themes.theme(theme.id)
+  end
+  
+  def test_theme_not_loaded_without_rescan
+    theme = Redmine::Themes.themes.pop
+    
+    assert_nil Redmine::Themes.theme(theme.id, :rescan => false)
+  end
+end