Added default value for custom fields. Fixed javascript on custom field form for project and user custom fields.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1090 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/custom_field.rb

@@ -53,6 +53,11 @@ class CustomField < ActiveRecord::Base
       errors.add(:possible_values, :activerecord_error_blank) if self.possible_values.nil? || self.possible_values.empty?
       errors.add(:possible_values, :activerecord_error_invalid) unless self.possible_values.is_a? Array
     end
+    
+    # validate default value
+    v = CustomValue.new(:custom_field => self.dup, :value => default_value, :customized => nil)
+    v.custom_field.is_required = false
+    errors.add(:default_value, :activerecord_error_invalid) unless v.valid?
   end
 
   def <=>(field)

app/models/custom_value.rb

@@ -19,6 +19,12 @@ class CustomValue < ActiveRecord::Base
   belongs_to :custom_field
   belongs_to :customized, :polymorphic => true
 
+  def after_initialize
+    if custom_field && new_record? && (customized_type.blank? || (customized && customized.new_record?))
+      self.value ||= custom_field.default_value
+    end
+  end
+  
 protected
   def validate
     errors.add(:value, :activerecord_error_blank) and return if custom_field.is_required? and value.blank?