UX: Show User popup when clicking on a user in the topic list.

app/assets/javascripts/discourse/helpers/application_helpers.js

@@ -110,52 +110,6 @@ Handlebars.registerHelper('shorten-url', function(property, options) {
   return url.substring(0,80);
 });
 
-/**
-  Show an avatar for a user, intelligently making use of available properties
-
-  @method avatar
-  @for Handlebars
-**/
-Handlebars.registerHelper('avatar', function(user, options) {
-  if (typeof user === 'string') {
-    user = Ember.Handlebars.get(this, user, options);
-  }
-
-  if (user) {
-    var username = Em.get(user, 'username');
-    if (!username) username = Em.get(user, options.hash.usernamePath);
-
-    var title;
-    if (!options.hash.ignoreTitle) {
-      // first try to get a title
-      title = Em.get(user, 'title');
-      // if there was no title provided
-      if (!title) {
-        // try to retrieve a description
-        var description = Em.get(user, 'description');
-        // if a description has been provided
-        if (description && description.length > 0) {
-          // preprend the username before the description
-          title = username + " - " + description;
-        }
-      }
-    }
-
-    // this is simply done to ensure we cache images correctly
-    var uploadedAvatarId = Em.get(user, 'uploaded_avatar_id') || Em.get(user, 'user.uploaded_avatar_id');
-    var avatarTemplate = Discourse.User.avatarTemplate(username,uploadedAvatarId);
-
-    return new safe(Discourse.Utilities.avatarImg({
-      size: options.hash.imageSize,
-      extraClasses: Em.get(user, 'extras') || options.hash.extraClasses,
-      title: title || username,
-      avatarTemplate: avatarTemplate
-    }));
-  } else {
-    return '';
-  }
-});
-
 /**
   Bound avatar helper.
 

app/assets/javascripts/discourse/helpers/user-avatar.js.es6

@@ -0,0 +1,45 @@
+export function renderAvatar(user, options) {
+  options = options || {};
+
+  if (typeof user === 'string') {
+    user = Ember.Handlebars.get(this, user, options);
+  }
+
+  if (user) {
+    var username = Em.get(user, 'username');
+    if (!username) username = Em.get(user, options.usernamePath);
+
+    var title;
+    if (!options.ignoreTitle) {
+      // first try to get a title
+      title = Em.get(user, 'title');
+      // if there was no title provided
+      if (!title) {
+        // try to retrieve a description
+        var description = Em.get(user, 'description');
+        // if a description has been provided
+        if (description && description.length > 0) {
+          // preprend the username before the description
+          title = username + " - " + description;
+        }
+      }
+    }
+
+    // this is simply done to ensure we cache images correctly
+    var uploadedAvatarId = Em.get(user, 'uploaded_avatar_id') || Em.get(user, 'user.uploaded_avatar_id');
+    var avatarTemplate = Discourse.User.avatarTemplate(username,uploadedAvatarId);
+
+    return Discourse.Utilities.avatarImg({
+      size: options.imageSize,
+      extraClasses: Em.get(user, 'extras') || options.extraClasses,
+      title: title || username,
+      avatarTemplate: avatarTemplate
+    });
+  } else {
+    return '';
+  }
+}
+
+Handlebars.registerHelper('avatar', function(user, options) {
+  return new Handlebars.SafeString(renderAvatar.call(this, user, options.hash));
+});

app/assets/javascripts/discourse/initializers/load-all-helpers.js.es6

@@ -0,0 +1,12 @@
+export default {
+  name: 'load-all-helpers',
+
+  initialize: function() {
+    Ember.keys(requirejs.entries).forEach(function(entry) {
+      if ((/\/helpers\//).test(entry)) {
+        require(entry, null, null, true);
+      }
+    });
+  }
+};
+

app/assets/javascripts/discourse/routes/application.js.es6

@@ -5,6 +5,18 @@ var ApplicationRoute = Em.Route.extend({
       this.controllerFor('topic-entrance').send('show', data);
     },
 
+    composePrivateMessage: function(user) {
+      var self = this;
+      this.transitionTo('userActivity', user).then(function () {
+        self.controllerFor('user-activity').send('composePrivateMessage');
+      });
+    },
+
+    expandUser: function(user) {
+      this.controllerFor('poster-expansion').show(user.get('username'), user.get('uploaded_avatar_id'));
+      return true;
+    },
+
     error: function(err, transition) {
       if (err.status === 404) {
         // 404

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

@@ -25,13 +25,6 @@ Discourse.TopicRoute = Discourse.Route.extend({
       }
     },
 
-    composePrivateMessage: function(user) {
-      var self = this;
-      this.transitionTo('userActivity', user).then(function () {
-        self.controllerFor('user-activity').send('composePrivateMessage');
-      });
-    },
-
     showFlags: function(post) {
       Discourse.Route.showModal(this, 'flag', post);
       this.controllerFor('flag').setProperties({ selected: null });

app/assets/javascripts/discourse/templates/application.js.handlebars

@@ -2,6 +2,7 @@
 
 <div id='main-outlet' {{bind-attr class=backgroundClass}}>
   {{outlet}}
+  {{render "poster-expansion"}}
 </div>
 
 {{render "modal"}}

app/assets/javascripts/discourse/templates/list/topic_list_item.js.handlebars

@@ -40,11 +40,7 @@
 <td class='category'>{{bound-category-link category showParent=true}}</td>
 {{/unless}}
 
-<td class='posters'>
-  {{#each posters}}
-    <a href="{{user.path}}" class="{{extras}}">{{avatar this usernamePath="user.username" imageSize="small"}}</a>
-  {{/each}}
-</td>
+{{view 'posters-column' posters=posters}}
 
 {{posts-count-column topic=model class="num"}}
 <td {{bind-attr class=":num :views viewsHeat"}}>{{number views numberKey="views_long"}}</td>

app/assets/javascripts/discourse/templates/poster-expansion.js.handlebars

@@ -52,5 +52,4 @@
   {{else}}
     <p class='loading'>{{i18n loading}}</p>
   {{/if}}
-
 {{/if}}

app/assets/javascripts/discourse/templates/topic.js.handlebars

@@ -145,7 +145,6 @@
 {{/if}}
 
 {{render "share"}}
-{{render "posterExpansion"}}
 
 {{#if currentUser.enable_quoting}}
   {{render "quote-button"}}

app/assets/javascripts/discourse/views/poster-expansion.js.es6

@@ -7,6 +7,7 @@ export default Discourse.View.extend({
   _setup: function() {
     var self = this;
     this.appEvents.on('poster:expand', this, '_posterExpand');
+    this.appEvents.on('dom:clean', this, '_cleanUp');
 
     $('html').off(clickOutsideEventName).on(clickOutsideEventName, function(e) {
       if (self.get('controller.visible')) {
@@ -42,9 +43,14 @@ export default Discourse.View.extend({
     });
   },
 
+  _cleanUp: function() {
+    this.get('controller').close();
+  },
+
   _removeEvents: function() {
     $('html').off(clickOutsideEventName);
     this.appEvents.off('poster:expand', this, '_posterExpand');
+    this.appEvents.off('dom:clean', this, '_cleanUp');
   }.on('willDestroyElement')
 
 });

app/assets/javascripts/discourse/views/posters-column.js.es6

@@ -0,0 +1,6 @@
+export default Ember.CollectionView.extend({
+  classNames: ['posters'],
+  tagName: 'td',
+  content: Em.computed.alias('posters'),
+  itemViewClass: 'topic-list-poster'
+});

app/assets/javascripts/discourse/views/topic-list-poster.js.es6

@@ -0,0 +1,22 @@
+import { renderAvatar } from 'discourse/helpers/user-avatar';
+
+export default Ember.View.extend({
+  tagName: 'a',
+  attributeBindings: ['href'],
+  classNameBindings: ['content.extras'],
+
+  user: Em.computed.alias('content.user'),
+  href: Em.computed.alias('user.path'),
+
+  click: function(e) {
+    var user = this.get('user');
+    this.appEvents.trigger('poster:expand', $(e.target));
+    this.get('controller').send('expandUser', user);
+    return false;
+  },
+
+  render: function(buffer) {
+    var av = renderAvatar(this.get('content'), {usernamePath: 'user.username', imageSize: 'small'});
+    buffer.push(av);
+  }
+});

app/assets/stylesheets/desktop/poster_expansion.scss

@@ -9,7 +9,7 @@
   margin-top: -2px;
   background-color: $secondary;
   padding: 12px 12px 5px 12px;
-  border: 1px solid scale-color-diff(); 
+  border: 1px solid scale-color-diff();
 
   .avatar-placeholder {
     width: 120px;

app/assets/stylesheets/desktop/topic-list.scss

@@ -376,11 +376,10 @@ and (max-width : 850px) {
     .topic-excerpt {
       padding-right: 20px;
       }
-  th.posters {
-    text-align: center;
-    }
-     .posters {
-
+    th.posters {
+      text-align: center;
+      }
+    .posters {
        min-width: 0;
        width: 50px;
        a:not(.latest) {