add validation to catch empty descriptions

app/controllers/todos_controller.rb

@@ -169,7 +169,13 @@ class TodosController < ApplicationController
         @projects = current_user.projects.find(:all) if @new_project_created
         @initial_context_name = params['default_context_name']
         @initial_project_name = params['default_project_name']
-        @default_tags = @todos[0].project.default_tags unless @todos[0].project.nil?
+        if @todos.size > 0
+          @default_tags = @todos[0].project.default_tags unless @todos[0].project.nil?
+        else
+          @multiple_error = "You need to submit at least one next action"
+          @saved = false;
+          @default_tags = current_user.projects.find_by_name(@initial_project_name).default_tags unless @initial_project_name.blank?
+        end
         render :action => 'create_multiple'
       end
       format.xml do

app/views/shared/_add_new_item_form.rhtml

@@ -78,6 +78,8 @@
       :complete => "$('#todo_multi_new_action_submit').unblock()",
       :condition => "askIfNewContextProvided('multi_')") do -%>
 
+      <div id="multiple_status"><%= error_messages_for("item", :object_name => 'action') %></div>
+
       <label for="todo_notes">Multiple next actions (one on each line)</label>
       <%= text_area( "todo", "multiple_todos", "cols" => 29, "rows" => 6, "tabindex" => 2) %>
 

app/views/todos/create_multiple.js.rjs

@@ -1,5 +1,5 @@
 if @saved
-  page.hide 'status'
+  page.hide 'multiple_status'
 
   status_message = 'Added new next action'
   status_message += 's' if @todos.size > 1
@@ -37,6 +37,14 @@ if @saved
   # make sure the behavior of the new/updated todo is enabled
   page << "enable_rich_interaction();"
 else
-  page.show 'status'
-  page.replace_html 'status', "#{error_messages_for('todo', :object_name => 'action')}"
+  page.show 'multiple_status'
+  # add error about missing todo description that is not available in @todos
+  @multiple_error = content_tag(:div, content_tag(:p, @multiple_error), {:class => 'errorExplanation', :id => 'errorExplanation'}) unless @multiple_error.blank?
+  error_messages = @multiple_error || ""
+  # add errors of individual @todos
+  @todos.each do |todo|
+    @todo_i = todo
+    error_messages += error_messages_for('todo_i', :object_name => 'action')
+  end
+  page.replace_html 'multiple_status', error_messages
 end