diff app/models/custom_value.rb @ 0:513646585e45

* Import Redmine trunk SVN rev 3859

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/models/custom_value.rb	Fri Jul 23 15:52:44 2010 +0100
@@ -0,0 +1,67 @@
+# redMine - project management software
+# Copyright (C) 2006  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+class CustomValue < ActiveRecord::Base
+  belongs_to :custom_field
+  belongs_to :customized, :polymorphic => true
+
+  def after_initialize
+    if new_record? && custom_field && (customized_type.blank? || (customized && customized.new_record?))
+      self.value ||= custom_field.default_value
+    end
+  end
+  
+  # Returns true if the boolean custom value is true
+  def true?
+    self.value == '1'
+  end
+  
+  def editable?
+    custom_field.editable?
+  end
+  
+  def required?
+    custom_field.is_required?
+  end
+  
+  def to_s
+    value.to_s
+  end
+  
+protected
+  def validate
+    if value.blank?
+      errors.add(:value, :blank) if custom_field.is_required? and value.blank?    
+    else
+      errors.add(:value, :invalid) unless custom_field.regexp.blank? or value =~ Regexp.new(custom_field.regexp)
+      errors.add(:value, :too_short, :count => custom_field.min_length) if custom_field.min_length > 0 and value.length < custom_field.min_length
+      errors.add(:value, :too_long, :count => custom_field.max_length) if custom_field.max_length > 0 and value.length > custom_field.max_length
+    
+      # Format specific validations
+      case custom_field.field_format
+      when 'int'
+        errors.add(:value, :not_a_number) unless value =~ /^[+-]?\d+$/	
+      when 'float'
+        begin; Kernel.Float(value); rescue; errors.add(:value, :invalid) end
+      when 'date'
+        errors.add(:value, :not_a_date) unless value =~ /^\d{4}-\d{2}-\d{2}$/
+      when 'list'
+        errors.add(:value, :inclusion) unless custom_field.possible_values.include?(value)
+      end
+    end
+  end
+end