lib/jldrill/contexts/ShowAllVocabularyContext.rb in jldrill-0.5.1.7 vs lib/jldrill/contexts/ShowAllVocabularyContext.rb in jldrill-0.6.0.1

@@ -1,5 +1,6 @@
+# encoding: utf-8
 require 'Context/Context'
 require 'Context/Bridge'
 require 'Context/View'
 
 module JLDrill
@@ -52,10 +53,17 @@
             # open
             def removeItem(item)
                 # Please define in the concrete class
             end
 
+            # Show the busy cursor in the UI if bool is true.
+            # This happens during a long event where the user can't
+            # interact with the window
+            def showBusy(bool)
+                # Please define in the concrete class
+            end
+
             # Close the window
             # Closing the window exits the context.
             def close
                 # Please define in the concrete class.
                 # Run super() after everything is complete.
@@ -82,20 +90,24 @@
                 @parent.quiz.publisher.subscribe(self, "load")
                 @parent.quiz.publisher.subscribe(self, "newProblem")
                 @parent.quiz.publisher.subscribe(self, "problemModified")
                 @parent.quiz.publisher.subscribe(self, "itemAdded")
                 @parent.quiz.publisher.subscribe(self, "itemDeleted")
+                @parent.longEventPublisher.subscribe(self, "startLongEvent")
+                @parent.longEventPublisher.subscribe(self, "stopLongEvent")
             end
 		end
 
         def exit
             if !@parent.nil? && !@parent.quiz.nil?
                 @parent.quiz.publisher.unsubscribe(self, "load")
                 @parent.quiz.publisher.unsubscribe(self, "newProblem")
                 @parent.quiz.publisher.unsubscribe(self, "problemModified")
                 @parent.quiz.publisher.unsubscribe(self, "itemAdded")
                 @parent.quiz.publisher.unsubscribe(self, "itemDeleted")
+                @parent.longEventPublisher.unsubscribe(self, "startLongEvent")
+                @parent.longEventPublisher.unsubscribe(self, "stopLongEvent")
             end
             super
         end
 
         def differs?(item)
@@ -155,7 +167,16 @@
         end
 
         def preview(item)
             @parent.displayItem(item)
         end
+        
+        def startLongEventUpdated(source)
+            @mainView.showBusy(true)
+        end
+
+        def stopLongEventUpdated(source)
+            @mainView.showBusy(false)
+        end
+
     end
 end