lib/masterview/directives/if.rb in masterview-0.2.5 vs lib/masterview/directives/if.rb in masterview-0.3.0

@@ -1,23 +1,24 @@
 module MasterView
   module Directives
 
-    #outputs an if/end block around the text tags
+    # outputs an if/end block around the text tags
+    # 
     class If < MasterView::DirectiveBase
-      def priority
-        DirectivePriorities::High
-      end
 
-      def stag(directive_call_stack)
-        ret = []
-        ret << erb('if '+attr_value)
-        ret << directive_call_stack.render
+      metadata :priority => 'High',
+        :category => 'erb',
+        :description => 'Wraps the element with an if... end block using the attribute value for the condition'
+
+      #TODO: omit element entirely if attr_value == 'false'
+      #TODO: don't need to generate conditional block wrapping if attr_value == 'true'
+
+      event :before_stag do
+        render erb_eval( 'if', attr_value )
       end
 
-      def etag(directive_call_stack)
-        ret = []
-        ret << directive_call_stack.render
-        ret << erb('end')
+      event :after_etag do
+        render erb_eval( 'end' )
       end
 
     end
   end
 end