Apply AJAX for deleting a StockArticle

app/views/stockit/_destroy_fail.js.haml

@@ -0,0 +1,7 @@
+-# please polish the following line if you know how
+var errorDiv = $('<div class="alert fade in alert-error"><a class="close" data-dismiss="alert" href="#">×</a></div>');
+
+-# next line, createTextNode called by .text(textString) helps escaping for html, but what about ' signs?
+errorDiv.text('#{fail_msg}');
+
+$('div.container-fluid').prepend(errorDiv);

app/views/stockit/destroy.js.haml

@@ -0,0 +1 @@
+console.log('#{destroyed_article_id}');

app/views/stockit/index.html.haml

@@ -64,8 +64,7 @@
           %td= article.article_category.name
           %td
             = link_to "Bearbeiten", edit_stock_article_path(article), class: 'btn btn-mini'
-            = link_to "Löschen", article, :method => :delete, :confirm => "Bist Du sicher?",
-              class: 'btn btn-mini btn-danger'
+            = link_to "Löschen", article, :method => :delete, :confirm => "Bist Du sicher?", class: 'btn btn-mini btn-danger', :remote => true
   .form-actions.unavailable
     = submit_tag "Artikel zum Löschen vormerken", { :class => 'unavailable btn' }
 %p