diff --git a/app/models/article.rb b/app/models/article.rb
index 9a6b691..44bc601 100644
--- a/app/models/article.rb
+++ b/app/models/article.rb
@@ -635,6 +635,14 @@ class Article < ActiveRecord::Base
     can_display_hits? && display_hits
   end
 
+  def display_media_panel?
+    can_display_media_panel? && environment.enabled?('media_panel')
+  end
+
+  def can_display_media_panel?
+    false
+  end
+
   def image?
     false
   end
diff --git a/app/models/enterprise_homepage.rb b/app/models/enterprise_homepage.rb
index 47355a8..15f5abf 100644
--- a/app/models/enterprise_homepage.rb
+++ b/app/models/enterprise_homepage.rb
@@ -35,4 +35,8 @@ class EnterpriseHomepage < Article
     false
   end
 
+  def can_display_media_panel?
+    true
+  end
+
 end
diff --git a/app/models/event.rb b/app/models/event.rb
index 0714a95..611bda8 100644
--- a/app/models/event.rb
+++ b/app/models/event.rb
@@ -134,6 +134,10 @@ class Event < Article
     true
   end
 
+  def can_display_media_panel?
+    true
+  end
+
   include Noosfero::TranslatableContent
   include MaybeAddHttp
 
diff --git a/app/models/textile_article.rb b/app/models/textile_article.rb
index f6773c5..3dd9be8 100644
--- a/app/models/textile_article.rb
+++ b/app/models/textile_article.rb
@@ -24,6 +24,10 @@ class TextileArticle < TextArticle
     true
   end
 
+  def can_display_media_panel?
+    true
+  end
+
   protected
 
   def convert_to_html(textile)
diff --git a/app/models/tiny_mce_article.rb b/app/models/tiny_mce_article.rb
index 63a1e08..c14a0cd 100644
--- a/app/models/tiny_mce_article.rb
+++ b/app/models/tiny_mce_article.rb
@@ -28,4 +28,8 @@ class TinyMceArticle < TextArticle
     true
   end
 
+  def can_display_media_panel?
+    true
+  end
+
 end
diff --git a/app/views/cms/edit.html.erb b/app/views/cms/edit.html.erb
index 7c41265..c234788 100644
--- a/app/views/cms/edit.html.erb
+++ b/app/views/cms/edit.html.erb
@@ -1,8 +1,6 @@
 <%= error_messages_for 'article' %>
 
-<% show_media_panel = environment.enabled?('media_panel') && [TinyMceArticle, TextileArticle, Event, EnterpriseHomepage].any?{|klass| @article.kind_of?(klass)} %>
-
-<div class='<%= (show_media_panel ? 'with_media_panel' : 'no_media_panel') %>'>
+<div class='<%= (@article.display_media_panel? ? 'with_media_panel' : 'no_media_panel') %>'>
 <%= labelled_form_for 'article', :html => { :multipart => true, :class => @type } do |f| %>
 
   <%= hidden_field_tag("type", @type) if @type %>
@@ -68,7 +66,7 @@
 <% end %>
 </div>
 
-<% if show_media_panel %>
+<% if @article.display_media_panel? %>
   <%= render :partial => 'text_editor_sidebar' %>
 <% end %>
 
diff --git a/test/unit/article_test.rb b/test/unit/article_test.rb
index bb31ed0..937517e 100644
--- a/test/unit/article_test.rb
+++ b/test/unit/article_test.rb
@@ -2191,4 +2191,27 @@ class ArticleTest < ActiveSupport::TestCase
     article.destroy
   end
 
+  should 'have can_display_media_panel with default false' do
+    a = Article.new
+    assert !a.can_display_media_panel?
+  end
+
+  should 'display media panel when allowed by the environment' do
+    a = Article.new
+    a.expects(:can_display_media_panel?).returns(true)
+    environment = mock
+    a.expects(:environment).returns(environment)
+    environment.expects(:enabled?).with('media_panel').returns(true)
+    assert a.display_media_panel?
+  end
+
+  should 'not display media panel when not allowed by the environment' do
+    a = Article.new
+    a.expects(:can_display_media_panel?).returns(true)
+    environment = mock
+    a.expects(:environment).returns(environment)
+    environment.expects(:enabled?).with('media_panel').returns(false)
+    assert !a.display_media_panel?
+  end
+
 end
diff --git a/test/unit/enterprise_homepage_test.rb b/test/unit/enterprise_homepage_test.rb
index 3d5dd6a..3494c19 100644
--- a/test/unit/enterprise_homepage_test.rb
+++ b/test/unit/enterprise_homepage_test.rb
@@ -26,4 +26,9 @@ class EnterpriseHomepageTest < ActiveSupport::TestCase
     assert_equal false, a.can_display_hits?
   end
 
+  should 'have can_display_media_panel with default true' do
+    a = EnterpriseHomepage.new
+    assert a.can_display_media_panel?
+  end
+
 end
diff --git a/test/unit/event_test.rb b/test/unit/event_test.rb
index 54b4214..04ae82b 100644
--- a/test/unit/event_test.rb
+++ b/test/unit/event_test.rb
@@ -346,4 +346,9 @@ class EventTest < ActiveSupport::TestCase
     assert event.translatable?
   end
 
+  should 'have can_display_media_panel with default true' do
+    a = Event.new
+    assert a.can_display_media_panel?
+  end
+
 end
diff --git a/test/unit/textile_article_test.rb b/test/unit/textile_article_test.rb
index 6dd6c2a..cb3ac15 100644
--- a/test/unit/textile_article_test.rb
+++ b/test/unit/textile_article_test.rb
@@ -174,6 +174,11 @@ class TextileArticleTest < ActiveSupport::TestCase
     assert_equal "<p>one\nparagraph</p>", build_article("one\nparagraph").to_html
   end
 
+  should 'have can_display_media_panel with default true' do
+    a = TextileArticle.new
+    assert a.can_display_media_panel?
+  end
+
   protected
 
   def build_article(input = nil, options = {})
diff --git a/test/unit/tiny_mce_article_test.rb b/test/unit/tiny_mce_article_test.rb
index ea1a475..3ee7404 100644
--- a/test/unit/tiny_mce_article_test.rb
+++ b/test/unit/tiny_mce_article_test.rb
@@ -235,4 +235,9 @@ end
       :attributes => { :colspan => 2, :rowspan => 3 }
   end
 
+  should 'have can_display_media_panel with default true' do
+    a = TinyMceArticle.new
+    assert a.can_display_media_panel?
+  end
+
 end
--
libgit2 0.21.2