For 3 comments or more, show reply link at top of comments as well (#24089).

Patch by Jan Schulz-Hofen.

git-svn-id: http://svn.redmine.org/redmine/trunk@16539 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/helpers/application_helper.rb

@@ -237,6 +237,7 @@ module ApplicationHelper
   def toggle_link(name, id, options={})
     onclick = "$('##{id}').toggle(); "
     onclick << (options[:focus] ? "$('##{options[:focus]}').focus(); " : "this.blur(); ")
+    onclick << "$(window).scrollTop($('##{options[:focus]}').position().top); " if options[:scroll]
     onclick << "return false;"
     link_to(name, "#", :onclick => onclick)
   end

app/views/messages/show.html.erb

@@ -35,6 +35,9 @@
 
 <% unless @replies.empty? %>
 <h3 class="comments icon icon-comments"><%= l(:label_reply_plural) %> (<%= @reply_count %>)</h3>
+<% if !@topic.locked? && authorize_for('messages', 'reply') && @replies.size >= 3 %>
+  <p><%= toggle_link l(:button_reply), "reply", :focus => 'message_content', :scroll => "message_content" %></p>
+<% end %>
 <% @replies.each do |message| %>
   <div class="message reply" id="<%= "message-#{message.id}" %>">
     <div class="contextual">

app/views/news/show.html.erb

@@ -33,6 +33,9 @@
 
 <div id="comments" style="margin-bottom:16px;">
 <h3 class="comments"><%= l(:label_comment_plural) %></h3>
+<% if @news.commentable? && @comments.size >= 3 %>
+  <p><%= toggle_link l(:label_comment_add), "add_comment_form", :focus => "comment_comments", :scroll => "comment_comments" %></p>
+<% end %>
 <% @comments.each do |comment| %>
     <% next if comment.new_record? %>
     <div class="contextual">