Adds error message partial

app/assets/stylesheets/accessibility/_accessibility.css.sass

@@ -0,0 +1,35 @@
+/*-- copyright
+ * OpenProject is a project management system.
+ * Copyright (C) 2012-2013 the OpenProject Foundation (OPF)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 3.
+ *
+ * OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+ * Copyright (C) 2006-2013 Jean-Philippe Lang
+ * Copyright (C) 2010-2013 the ChiliProject Team
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * See doc/COPYRIGHT.rdoc for more details.  ++
+ */
+
+@mixin hidden_for_sighted
+  position: absolute
+  left: -10000px
+  top: auto
+  width: 1px
+  height: 1px
+  overflow: hidden

app/assets/stylesheets/content/_flash_messages.css.sass

@@ -43,7 +43,7 @@ div.flash.error a:hover, div.flash.warning a:hover, div.flash.notice a:hover, #e
     font-size: 0.9em
     margin-left: 30px
   h2, p
-    display: none
+    @include hidden_for_sighted
 
 div.flash.error, #errorExplanation
   background-color: $content_flash_error_msg_bg_color

app/assets/stylesheets/default.css.sass

@@ -26,6 +26,7 @@
  * See doc/COPYRIGHT.rdoc for more details.  ++
  */
 
+@import accessibility/accessibility
 @import global/all
 @import fonts/lato
 @import fonts/openproject_icon_font

app/views/common/_validation_error.html.erb

@@ -0,0 +1,38 @@
+<%#-- copyright
+OpenProject is a project management system.
+Copyright (C) 2012-2013 the OpenProject Foundation (OPF)
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License version 3.
+
+OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+Copyright (C) 2006-2013 Jean-Philippe Lang
+Copyright (C) 2010-2013 the ChiliProject Team
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+See doc/COPYRIGHT.rdoc for more details.
+
+++#%>
+
+<div class="errorExplanation" id="errorExplanation">
+  <h2 role="alert"><%= l("activerecord.errors.template.header.#{(error_messages.count == 1) ? 'one' : 'other'}", count: error_messages.count, model: object.class.model_name.human) %></h2>
+  <p><%= l("errors.header_invalid_fields") %></p>
+  <ul>
+    <% error_messages.each do |message| %>
+      <li><%= message %></li>
+    <% end %>
+  </ul>
+</div>

config/locales/de.yml

@@ -268,6 +268,10 @@ de:
       wiki: "Wiki"
       wiki_page: "Wiki-Seite"
       workflow: "Workflow"
+      work_package: "Arbeitspaket"
+
+  errors:
+    header_invalid_fields: "Bei den folgenden Feldern traten Fehler auf:"
 
   activity:
     created: "Erstellt: %{title}"

config/locales/en.yml

@@ -267,6 +267,9 @@ en:
       wiki_page: "Wiki page"
       workflow: "Workflow"
 
+  errors:
+    header_invalid_fields: "There were problems with the following fields:"
+
   activity:
     created: "Created: %{title}"
     updated: "Updated: %{title}"