Show message when inline JavaScript is disabled

Author: domitry

lib/nyaplot/exportable.rb

@@ -13,6 +13,7 @@ def raise_display_failed
     # @return [String] generated html
     def generate_html(temp_path)
       path = File.expand_path(temp_path, __FILE__)
+      url = Nyaplot.get_url
       id = SecureRandom.uuid
       model = to_json
       template = File.read(path)
@@ -48,4 +49,14 @@ def show
       IRuby.display(self)
     end
   end
+
+  @@url = "http://http://nbviewer.ipython.org/"
+  
+  def self.set_url(url)
+    @@url = url
+  end
+
+  def self.get_url
+    @@url
+  end
 end

lib/nyaplot/templates/iruby.erb

@@ -1,5 +1,12 @@
+<div id="msg-<%= id %>" style="background-color: #555; width: 100%; color: #fff; padding: 5px; border-radius: 8px">
+  <img src="https://dl.dropboxusercontent.com/u/47978121/cat.png" style="display: inline; margin: 0px 5px;">
+  <span>Inline JavaScript is disabled for some reason. Use <a href="<%= url %>" target="_blank" style="color: rgb(58, 171, 210)">nbviewer</a> to see plots.</span>
+</div>
 <div id='vis-<%= id %>'></div>
 <script>
+ var dom = document.getElementById('msg-<%= id %>');
+ dom.parentElement.removeChild(dom);
+ 
  require.config({paths: {
    Nyaplot: "<%= PATH_NYAPLOT %>"
  }});