Makes issue custom fields available as timelog columns (#1766).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11174 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/query.rb

@@ -85,6 +85,28 @@ class QueryCustomFieldColumn < QueryColumn
   end
 end
 
+class QueryAssociationCustomFieldColumn < QueryCustomFieldColumn
+
+  def initialize(association, custom_field)
+    super(custom_field)
+    self.name = "#{association}.cf_#{custom_field.id}".to_sym
+    # TODO: support sorting/grouping by association custom field
+    self.sortable = false
+    self.groupable = false
+    @association = association
+  end
+
+  def value(object)
+    if assoc = object.send(@association)
+      super(assoc)
+    end
+  end
+
+  def css_classes
+    @css_classes ||= "#{@association}_cf_#{@cf.id} #{@cf.field_format}"
+  end
+end
+
 class Query < ActiveRecord::Base
   class StatementInvalid < ::ActiveRecord::StatementInvalid
   end