Refactor: makes issue id a regular QueryColumn.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11447 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/issue_query.rb

@@ -20,6 +20,7 @@ class IssueQuery < Query
   self.queried_class = Issue
 
   self.available_columns = [
+    QueryColumn.new(:id, :sortable => "#{Issue.table_name}.id", :default_order => 'desc', :caption => '#', :frozen => true),
     QueryColumn.new(:project, :sortable => "#{Project.table_name}.name", :groupable => true),
     QueryColumn.new(:tracker, :sortable => "#{Tracker.table_name}.position", :groupable => true),
     QueryColumn.new(:parent, :sortable => ["#{Issue.table_name}.root_id", "#{Issue.table_name}.lft ASC"], :default_order => 'desc', :caption => :field_parent_issue),
@@ -216,10 +217,6 @@ class IssueQuery < Query
     @available_columns
   end
 
-  def sortable_columns
-    {'id' => "#{Issue.table_name}.id"}.merge(super)
-  end
-
   def default_columns_names
     @default_columns_names ||= begin
       default_columns = Setting.issue_list_default_columns.map(&:to_sym)

app/models/query.rb

@@ -28,11 +28,12 @@ class QueryColumn
     end
     self.default_order = options[:default_order]
     @inline = options.key?(:inline) ? options[:inline] : true
-    @caption_key = options[:caption] || "field_#{name}"
+    @caption_key = options[:caption] || "field_#{name}".to_sym
+    @frozen = options[:frozen]
   end
 
   def caption
-    l(@caption_key)
+    @caption_key.is_a?(Symbol) ? l(@caption_key) : @caption_key
   end
 
   # Returns true if the column is sortable, otherwise false
@@ -48,6 +49,10 @@ class QueryColumn
     @inline
   end
 
+  def frozen?
+    @frozen
+  end
+
   def value(object)
     object.send name
   end
@@ -382,9 +387,10 @@ class Query < ActiveRecord::Base
 
   def columns
     # preserve the column_names order
-    (has_default_columns? ? default_columns_names : column_names).collect do |name|
+    cols = (has_default_columns? ? default_columns_names : column_names).collect do |name|
        available_columns.find { |col| col.name == name }
     end.compact
+    available_columns.select(&:frozen?) | cols
   end
 
   def inline_columns