Empty aspect stream when no aspect selected on the left nav

config/locales/javascript/javascript.en.yml

@@ -56,3 +56,4 @@ en:
       aspect_navigation:
         select_all: "Select all"
         deselect_all: "Deselect all"
+        no_aspects: "No aspects selected"

public/javascripts/widgets/aspect-navigation.js

@@ -54,6 +54,8 @@
     this.perform = function() {
       if (self.noneSelected()) {
         self.abortAjax();
+        Diaspora.page.stream.empty();
+        Diaspora.page.stream.setHeaderTitle(Diaspora.I18n.t('aspect_navigation.no_aspects'));
         self.fadeIn();
       } else {
         self.performAjax();

public/javascripts/widgets/stream.js

@@ -5,7 +5,9 @@
 
     this.subscribe("widget/ready", function(evt, stream) {
       $.extend(self, {
-        stream: $(stream)
+        stream: $(stream),
+        mainStream: $(stream).find('#main_stream'),
+        headerTitle: $(stream).find('#aspect_stream_header > h3')
       });
 
       $.each(self.stream.find(".stream_element"), function() {
@@ -31,6 +33,15 @@
     this.addPost = function(post) {
       self.streamElements[post.attr("id")] = self.instantiate("StreamElement", post);
     };
+
+    this.empty = function() {
+      self.mainStream.empty();
+      self.headerTitle.text(Diaspora.I18n.t('stream.no_aspects'));
+    };
+
+    this.setHeaderTitle = function(newTitle) {
+      self.headerTitle.text(newTitle);
+    };
   };
 
   Diaspora.Widgets.Stream = Stream;