Refactoring ApplicationHelper#link_to_issue.

Now displays issue subject by default.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3040 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/helpers/application_helper.rb

@@ -58,9 +58,29 @@ module ApplicationHelper
     end
   end
 
+  # Displays a link to +issue+ with its subject.
+  # Examples:
+  # 
+  #   link_to_issue(issue)                        # => Defect #6: This is the subject
+  #   link_to_issue(issue, :truncate => 6)        # => Defect #6: This i...
+  #   link_to_issue(issue, :subject => false)     # => Defect #6
+  #
   def link_to_issue(issue, options={})
-    options[:class] ||= issue.css_classes
-    link_to "#{issue.tracker.name} ##{issue.id}", {:controller => "issues", :action => "show", :id => issue}, options
+    title = nil
+    subject = nil
+    if options[:subject] == false
+      title = truncate(issue.subject, :length => 60)
+    else
+      subject = issue.subject
+      if options[:truncate]
+        subject = truncate(subject, :length => options[:truncate])
+      end
+    end
+    s = link_to "#{issue.tracker} ##{issue.id}", {:controller => "issues", :action => "show", :id => issue}, 
+                                                 :class => issue.css_classes,
+                                                 :title => title
+    s << ": #{h subject}" if subject
+    s
   end
 
   # Generates a link to an attachment.