Warn about submitting manually

Author: nygrenh

app/views/exercises/show.html.erb

@@ -3,9 +3,15 @@
 
 <ul>
   <li>
-    <%= link_to_if @course.initial_refresh_ready?, 'Download project template (zip)', exercise_zip_url(@exercise) do %>
+  <% if params[:use_clients] %>
+    Download the project using our plugins (such as the Netbeans plugin). See your course material for instructions.
+  <% else%>
+    <% if @course.initial_refresh_ready? %>
+      <%= link_to 'Download project template (zip)', exercise_zip_url(@exercise) %>. Please download the exercises using using our plugins (such as the Netbeans plugin).
+    <% else %>
       Project template (zip) not available during refresh.
     <% end %>
+  <%end %>
   </li>
 
   <% if @current_user.guest? %>
@@ -148,13 +154,21 @@
   <% end %>
 <% end %>
 
-<% if @exercise.submittable_by?(current_user) %>
-<div class="row">
-  <div class="col-md-12">
-  <h2>Submit answer</h2>
-    <%= render :partial => 'submissions/form', :locals => { :submission => @new_submission } %>
-  </div>
-  </div>
+<% if params[:use_clients] %>
+  <h2>Submitting your answer</h2>
+  Submit your answer using our plugins (such as the Netbeans plugin). See your course material for instructions. You may submit your answer using the plugin as many times as you like.
+<% else%>
+  <% if @exercise.submittable_by?(current_user) %>
+  <div class="row">
+    <div class="col-md-12">
+    <h2>Submit answer manually</h2>
+      <div class="alert alert-danger">
+        Only submit using this as a last resort! You should always submit the exercise using our plugins (such as the Netbeans plugin). See your course material for submitting instructions.
+      </div>
+      <%= render :partial => 'submissions/form', :locals => { :submission => @new_submission } %>
+    </div>
+    </div>
+  <% end %>
 <% end %>
 
 <% if signed_in?  && !@course.hide_submissions? %>