FIX: Hide topics list when loading new topics by category

app/assets/javascripts/discourse/controllers/list_controller.js

@@ -30,37 +30,40 @@ Discourse.ListController = Discourse.Controller.extend({
     });
   }).property('filterSummary'),
 
+  /**
+    Load a list based on a filter
+
+    @method load
+    @param {String} filterMode the filter we want to load
+    @returns {Ember.Deferred} the promise that will resolve to the list of items.
+  **/
   load: function(filterMode) {
-    var current,
+    var listController = this;
-      _this = this;
     this.set('loading', true);
+
     if (filterMode === 'categories') {
       return Ember.Deferred.promise(function(deferred) {
-        return Discourse.CategoryList.list(filterMode).then(function(items) {
+        Discourse.CategoryList.list(filterMode).then(function(items) {
-          _this.set('loading', false);
+          listController.set('loading', false);
-          _this.set('filterMode', filterMode);
+          listController.set('filterMode', filterMode);
-          _this.set('categoryMode', true);
+          listController.set('categoryMode', true);
-          return deferred.resolve(items);
-        });
-      });
-    } else {
-      current = (this.get('availableNavItems').filter(function(f) {
-        return f.name === filterMode;
-      }))[0];
-      if (!current) {
-        current = Discourse.NavItem.create({
-          name: filterMode
-        });
-      }
-      return Ember.Deferred.promise(function(deferred) {
-        return Discourse.TopicList.list(current).then(function(items) {
-          _this.set('filterSummary', items.filter_summary);
-          _this.set('filterMode', filterMode);
-          _this.set('loading', false);
           return deferred.resolve(items);
         });
       });
     }
+
+    var current = (this.get('availableNavItems').filter(function(f) { return f.name === filterMode; }))[0];
+    if (!current) {
+      current = Discourse.NavItem.create({ name: filterMode });
+    }
+    return Ember.Deferred.promise(function(deferred) {
+      Discourse.TopicList.list(current).then(function(items) {
+        listController.set('filterSummary', items.filter_summary);
+        listController.set('filterMode', filterMode);
+        listController.set('loading', false);
+        return deferred.resolve(items);
+      });
+    });
   },
 
   // Put in the appropriate page title based on our view

app/assets/javascripts/discourse/routes/filtered_list_route.js

@@ -25,14 +25,15 @@ Discourse.FilteredListRoute = Discourse.Route.extend({
   },
 
   setupController: function() {
-    var listController, listTopicsController, _ref,
+    var listController = this.controllerFor('list');
-      _this = this;
+    var listTopicsController = this.controllerFor('listTopics');
-    listController = this.controllerFor('list');
-    listTopicsController = this.controllerFor('listTopics');
     listController.set('filterMode', this.filter);
-    if (_ref = listTopicsController.get('content')) {
+
-      _ref.set('loaded', false);
+    var listContent = listTopicsController.get('content');
+    if (listContent) {
+      listContent.set('loaded', false);
     }
+
     listController.load(this.filter).then(function(topicList) {
       listController.set('category', null);
       listController.set('canCreateTopic', topicList.get('can_create_topic'));

app/assets/javascripts/discourse/routes/list_category_route.js

@@ -9,26 +9,34 @@
 Discourse.ListCategoryRoute = Discourse.FilteredListRoute.extend({
 
   setupController: function(controller, model) {
-    var category, listController, slug, urlId,
+    var slug = Em.get(model, 'slug');
-      _this = this;
+    var category = Discourse.get('site.categories').findProperty('slug', slug);
-    slug = Em.get(model, 'slug');
-    category = Discourse.get('site.categories').findProperty('slug', slug);
 
     if (!category) {
       category = Discourse.get('site.categories').findProperty('id', parseInt(slug, 10));
     }
-
     if (!category) {
       category = Discourse.Category.create({ name: slug, slug: slug });
     }
 
-    listController = this.controllerFor('list');
+    var listTopicsController = this.controllerFor('listTopics');
-    urlId = Discourse.Utilities.categoryUrlId(category);
+    if (listTopicsController) {
+      var listContent = listTopicsController.get('content');
+      if (listContent) {
+        listContent.set('loaded', false);
+      }
+    }
+
+
+    var listController = this.controllerFor('list');
+    var urlId = Discourse.Utilities.categoryUrlId(category);
     listController.set('filterMode', "category/" + urlId);
+
+    var router = this;
     listController.load("category/" + urlId).then(function(topicList) {
       listController.set('canCreateTopic', topicList.get('can_create_topic'));
       listController.set('category', category);
-      _this.controllerFor('listTopics').set('content', topicList);
+      router.controllerFor('listTopics').set('content', topicList);
     });
   }