Implement AJAX deletion in /pages in order to remove redirect in /delete route.

lib/gollum/app.rb

@@ -294,7 +294,6 @@ module Precious
           commit[:message] = "Deleted #{filepath}"
           wiki.delete_file(filepath, commit)
         end
-        redirect_to('/pages')
       end
       
 

lib/gollum/public/gollum/javascript/gollum.js.erb

@@ -58,6 +58,22 @@ $(document).ready(function() {
     e.preventDefault();
   } );
 
+  $('.delete-file').click( function(e) {
+    var ok = confirm($(this).data('confirm'));
+    if ( ok ) {
+      var element = $(this);
+      $.post('<%=delete_path %>' + $(this).data('file-path'),
+        {},
+        function (result) {
+          // page successfully deleted, stay on page but remove element from DOM
+          element.closest("li").remove();
+        });
+    }
+    // Don't navigate on cancel.
+    e.preventDefault();
+  } );
+
+
   var nodeSelector = {
     node1: null,
     node2: null,

lib/gollum/views/pages.rb

@@ -31,7 +31,7 @@ module Precious
 
 
       def delete_file(url)
-        %Q(<form method="POST" action="#{delete_path}#{url}" onsubmit="return confirm('Do you really want to delete the file #{URI.decode(url)}?');"><button type="submit" name="delete" value="true">Delete</button></form>)
+        %Q(<div class="delete-file" data-file-path="#{url}" data-confirm="Are you sure you want to delete #{URI.decode(url)}?"><span><button type="submit" name="delete">Delete</button></span></div>)
       end
       
       def files_folders