From f9325193be7c60f09598614b76bd651f063f7b27 Mon Sep 17 00:00:00 2001
From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: Sat, 5 Jan 2013 12:41:24 +0000
Subject: [PATCH] Only process issues that have relations.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11120 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 lib/redmine/helpers/gantt.rb |  5 ++++-
 public/javascripts/gantt.js  | 14 ++++++--------
 2 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/lib/redmine/helpers/gantt.rb b/lib/redmine/helpers/gantt.rb
index 3238de8cf..a760a3466 100644
--- a/lib/redmine/helpers/gantt.rb
+++ b/lib/redmine/helpers/gantt.rb
@@ -749,7 +749,10 @@ module Redmine
                          :class => "#{options[:css]} task_todo",
                          :id => html_id}
           if options[:issue]
-            content_opt[:data] = {"rels" => issue_relations(options[:issue]).to_json}
+            rels = issue_relations(options[:issue])
+            if rels.present?
+              content_opt[:data] = {"rels" => rels.to_json}
+            end
           end
           output << view.content_tag(:div, '&nbsp;'.html_safe, content_opt)
           if coords[:bar_late_end]
diff --git a/public/javascripts/gantt.js b/public/javascripts/gantt.js
index 51e2257e0..066a15884 100644
--- a/public/javascripts/gantt.js
+++ b/public/javascripts/gantt.js
@@ -13,18 +13,16 @@ function setDrawArea() {
 
 function getRelationsArray() {
   var arr = new Array();
-  $.each($('div.task_todo'), function(index_div, element) {
+  $.each($('div.task_todo[data-rels]'), function(index_div, element) {
     var element_id = $(element).attr("id");
     if (element_id != null) {
       var issue_id = element_id.replace("task-todo-issue-", "");
       var data_rels = $(element).data("rels");
-      if (data_rels != null) {
-        for (rel_type_key in data_rels) {
-          $.each(data_rels[rel_type_key], function(index_issue, element_issue) {
-            arr.push({issue_from: issue_id, issue_to: element_issue,
-                      rel_type: rel_type_key});
-          });
-        }
+      for (rel_type_key in data_rels) {
+        $.each(data_rels[rel_type_key], function(index_issue, element_issue) {
+          arr.push({issue_from: issue_id, issue_to: element_issue,
+                    rel_type: rel_type_key});
+        });
       }
     }
   });