class CmAdmin::Models::Field

def initialize(field_name, attributes = {})
  @field_name = field_name
  set_default_values
  attributes.each do |key, value|
    self.send("#{key.to_s}=", value)
  end
  self.height = 50 if self.field_type == :image && self.height.nil?
  self.width = 50 if self.field_type == :image && self.width.nil?
  self.display_if = lambda { |arg| return true } if self.display_if.nil?
  validation_for_association
end

def set_default_values
  self.precision = 2
  self.tag_class = {}
  self.col_size = nil
  self.field_type = :string
  self.label = field_name.to_s.titleize
end