part.rb in nitro-0.40.0

- old
+ new

@@ -1,5 +1,7 @@
+require 'facets/core/class/descendents'
+
 module Nitro
 
 # A part is a module of reusable functionality encapsulated as 
 # a mini site/app. You can require (include) multiple parts in 
 # your application. A part is in essence a high level component.
@@ -56,20 +58,63 @@
 # if a template is not found in the applications normal template
 # root. In essence, by requiring a part a target application,
 # 'inherits' its templates. If you want to customize (override)
 # one template, just place a template with the same name in the
 # respective directory in the application template root.
- 
+#
+#--
+# TODO:
+#
+# * add support for autoload
+# * add support for install/uninstall
+#++
+
 class Part
 
-  # Require (include) a part in the current application.
+  # Perform part initialization, just before the server is 
+  # started. Override this in your parts.
+  
+  def initialize
+  end
+  
+  # Perform part finalization.
+  
+  def finalize
+  end
 
-  def self.require name
-    Logger.debug "Requiring part '#{name}'." if $DBG
-    Kernel.require 'part/' + name + '/run.rb'
+  # Perform part initialization when the part is installed,
+  # ie you add this in your application. Here comes one time
+  # initialization  code.
+  
+  def install
   end
+  
+  # Perform part cleanup when you want to remove the part
+  # from your application.
+  
+  def uninstall
+  end
+  alias cleanup uninstall
 
-end
+  class << self
+  
+    # Require (include) a part in the current application.
 
+    def require(name)
+      Logger.debug "Requiring part '#{name}'." if $DBG
+      Kernel.require 'part/' + name + '/run.rb'
+    end
+
+    # Call the initialization code of all parts. Typically
+    # called just before the server starts.
+    
+    def setup
+      for klass in self.descendents
+        p = klass.new
+      end
+    end
+
+  end
+  
 end
 
-# * George Moschovitis <gm@navel.gr>
+end