Role-based issue custom field visibility (#5037).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@12012 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/helpers/workflows_helper.rb

@@ -22,11 +22,20 @@ module WorkflowsHelper
     field.is_a?(CustomField) ? field.is_required? : %w(project_id tracker_id subject priority_id is_private).include?(field)
   end
 
-  def field_permission_tag(permissions, status, field)
+  def field_permission_tag(permissions, status, field, role)
     name = field.is_a?(CustomField) ? field.id.to_s : field
     options = [["", ""], [l(:label_readonly), "readonly"]]
     options << [l(:label_required), "required"] unless field_required?(field)
+    html_options = {}
+    selected = permissions[status.id][name]
 
-    select_tag("permissions[#{name}][#{status.id}]", options_for_select(options, permissions[status.id][name]))
+    hidden = field.is_a?(CustomField) && !field.visible? && !role.custom_fields.to_a.include?(field)
+    if hidden
+      options[0][0] = l(:label_hidden)
+      selected = ''
+      html_options[:disabled] = true
+    end
+
+    select_tag("permissions[#{name}][#{status.id}]", options_for_select(options, selected), html_options)
   end
 end