comparison lib/redmine/themes.rb @ 119:8661b858af72

* Update to Redmine trunk rev 4705

     def self.rescan
       @@installed_themes = scan_themes
     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={})
+      return nil if id.blank?
+      
+      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
     class Theme
-      attr_reader :name, :dir, :stylesheets
+      attr_reader :path, :name, :dir
       
       def initialize(path)
+        @path = path
         @dir = File.basename(path)
         @name = @dir.humanize
-        @stylesheets = Dir.glob("#{path}/stylesheets/*.css").collect {|f| File.basename(f).gsub(/\.css$/, '')}
+        @stylesheets = nil
+        @javascripts = nil
       end
       
       # 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
+      
+      def stylesheets
+        @stylesheets ||= assets("stylesheets", "css")
+      end
+      
+      def javascripts
+        @javascripts ||= assets("javascripts", "js")
+      end
+      
+      def stylesheet_path(source)
+        "/themes/#{dir}/stylesheets/#{source}"
+      end
+      
+      def javascript_path(source)
+        "/themes/#{dir}/javascripts/#{source}"
+      end
+      
+      private
+      
+      def assets(dir, ext)
+        Dir.glob("#{path}/#{dir}/*.#{ext}").collect {|f| File.basename(f).gsub(/\.#{ext}$/, '')}
       end
     end
     
     private
-        
+    
     def self.scan_themes
       dirs = Dir.glob("#{Rails.public_path}/themes/*").select do |f|
         # A theme should at least override application.css
         File.directory?(f) && File.exist?("#{f}/stylesheets/application.css")
       end

     end
   end
 end
 
 module ApplicationHelper
+  def current_theme
+    unless instance_variable_defined?(:@current_theme)
+      @current_theme = Redmine::Themes.theme(Setting.ui_theme)
+    end
+    @current_theme
+  end
+  
   def stylesheet_path(source)
-    @current_theme ||= Redmine::Themes.theme(Setting.ui_theme)
-    super((@current_theme && @current_theme.stylesheets.include?(source)) ?
-      "/themes/#{@current_theme.dir}/stylesheets/#{source}" : source)
+    if current_theme && current_theme.stylesheets.include?(source)
+      super current_theme.stylesheet_path(source)
+    else
+      super
+    end
   end
   
   def path_to_stylesheet(source)
     stylesheet_path source
   end
+  
+  # Returns the header tags for the current theme
+  def heads_for_theme
+    if current_theme && current_theme.javascripts.include?('theme')
+      javascript_include_tag current_theme.javascript_path('theme')
+    end
+  end
 end