class CmAdmin::Models::Column

def find_by(model, action_name, search_hash)
  model.available_fields[action_name].find { |column| column.field_name == search_hash[:name] }
end

def format_header
  header_value = if self.header.present?
                   self.header
                 elsif self.field_type.to_s == 'association'
                   self.association_name
                 else
                   self.field_name
                 end
  header_value.to_s.titleize.upcase
end

def initialize(field_name, attributes = {})
  @field_name = field_name
  set_default_values
  attributes.each do |key, value|
    self.send("#{key.to_s}=", value)
  end
  #formatting header (either field_name or value present in header attribute)
  self.send("header=", format_header)
  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.exportable = true
  self.managable = true
  self.lockable = false
  self.viewable = true
  self.tag_class = {}
  self.field_type = :string
end