Activity refactoring.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1701 e93f8b46-1217-0410-a6f0-8f06a7374b81

1 files changed, 54 insertions, 0 deletions

diff --git a/lib/redmine/activity.rb b/lib/redmine/activity.rb
new file mode 100644
index 000000000..144ce95ed
--- /dev/null
+++ b/lib/redmine/activity.rb
@@ -0,0 +1,54 @@
+# Redmine - project management software
+# Copyright (C) 2006-2008  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.
+
+module Redmine
+  module Activity
+  
+    mattr_accessor :available_event_types, :default_event_types, :providers
+    
+    @@available_event_types = []
+    @@default_event_types = []
+    @@providers = Hash.new {|h,k| h[k]=[] }
+
+    class << self
+      def map(&block)
+        yield self
+      end
+      
+      # Registers an activity provider
+      # 
+      # Options:
+      # * :class_name - one or more model(s) that provide these events (inferred from event_type by default)
+      # * :default - setting this option to false will make the events not displayed by default
+      # 
+      # Examples:
+      #   register :issues
+      #   register :myevents, :class_name => 'Meeting'
+      def register(event_type, options={})
+        options.assert_valid_keys(:class_name, :default)
+        
+        event_type = event_type.to_s
+        providers = options[:class_name] || event_type.classify
+        providers = ([] << providers) unless providers.is_a?(Array)
+        
+        @@available_event_types << event_type unless @@available_event_types.include?(event_type)
+        @@default_event_types << event_type unless options[:default] == false
+        @@providers[event_type] += providers
+      end
+    end
+  end
+end