Adds a setting to limit the number of diff lines that should be displayed (default to 1500).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2112 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/common/_diff.rhtml

@@ -1,4 +1,5 @@
-<% Redmine::UnifiedDiff.new(diff, :type => diff_type).each do |table_file| -%>
+<% diff = Redmine::UnifiedDiff.new(diff, :type => diff_type, :max_lines => Setting.diff_max_lines_displayed.to_i) -%>
+<% diff.each do |table_file| -%>
 <div class="autoscroll">
 <% if diff_type == 'sbs' -%>
 <table class="filecontent CodeRay">
@@ -62,3 +63,5 @@
 
 </div>
 <% end -%>
+
+<%= l(:text_diff_truncated) if diff.truncated? %>