property_observer.rb in intelitiva-rugui-1.3.1

- old
+ new

@@ -1,15 +1,15 @@
 module RuGUI
   # Adds observer functionality for any class which has support for observable
   # properties.
-  # 
+  #
   # The observer class should implement a method name
   # 'property_property_name_changed', where 'property_name' is
   # the name of the observable property, that will be called whenever that
   # property value has changed. If it does not declare a method with this
   # name, it will be silently ignored.
-  # 
+  #
   # The method signature is:
   #
   #   property_foo_changed(model, new_value, old_value)
   #
   # for a property named 'foo'.
@@ -31,27 +31,34 @@
   # ObservablePropertySupport#register_observer method.
   #
   module PropertyObserver
     include RuGUI::FrameworkAdapters::FrameworkAdapterSupport
 
+    def self.included(base)
+      base.send(:include, RuGUI::PropertyChangedSupport)
+    end
+
     def property_updated(observable, property, new_value, old_value)
       queue_method_call_if_exists("property_#{property}_changed", observable, new_value, old_value)
       queue_method_call_if_exists("property_#{observable.class.name.underscore}_#{property}_changed", observable, new_value, old_value)
+      self.property_changed_blocks.each do |property_changed_block|
+        property_changed_block.call_property_changed_block_if_exists(self, observable, property, new_value, old_value)
+      end
     end
-    
+
     def named_observable_property_updated(observable_name, observable, property, new_value, old_value)
       queue_method_call_if_exists("property_#{observable_name}_#{property}_changed", observable, new_value, old_value) unless named_observable_collides_with_class_name?(observable_name, observable)
     end
-    
+
     private
       def queue_method_call_if_exists(method_name, *args)
         if respond_to?(method_name)
           self.framework_adapter.queue do
             send(method_name, *args)
           end
         end
       end
-      
+
       def named_observable_collides_with_class_name?(observable_name, observable)
         observable_name == observable.class.name.underscore
       end
   end
 end