Class: RailsAdmin::Config::Fields::Base

Inherits:
Object
  • Object
show all
Includes:
Configurable, Groupable, Hideable, Proxyable
Defined in:
lib/rails_admin/config/fields/base.rb

Instance Attribute Summary collapse

Attributes included from Proxyable

#bindings

Instance Method Summary collapse

Methods included from Groupable

#group

Methods included from Hideable

#hidden?, #hide, included, #show

Methods included from Configurable

#has_option?, included, #register_deprecated_instance_option, #register_instance_option

Methods included from Proxyable

#with

Constructor Details

#initialize(parent, name, properties) ⇒ Base

Returns a new instance of Base.



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# File 'lib/rails_admin/config/fields/base.rb', line 19

def initialize(parent, name, properties)
  @parent = parent
  @root = parent.root

  @abstract_model = parent.abstract_model
  @defined = false
  @name = name.to_sym
  @order = 0
  @properties = properties
  @section = parent
end

Instance Attribute Details

#abstract_model ⇒ Object (readonly)

Returns the value of attribute abstract_model.



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# File 'lib/rails_admin/config/fields/base.rb', line 15

def abstract_model
  @abstract_model
end

#defined ⇒ Object

Returns the value of attribute defined.



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# File 'lib/rails_admin/config/fields/base.rb', line 16

def defined
  @defined
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/rails_admin/config/fields/base.rb', line 15

def name
  @name
end

#order ⇒ Object

Returns the value of attribute order.



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# File 'lib/rails_admin/config/fields/base.rb', line 16

def order
  @order
end

#parent ⇒ Object (readonly)

Returns the value of attribute parent.



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# File 'lib/rails_admin/config/fields/base.rb', line 17

def parent
  @parent
end

#properties ⇒ Object (readonly)

Returns the value of attribute properties.



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# File 'lib/rails_admin/config/fields/base.rb', line 15

def properties
  @properties
end

#root ⇒ Object (readonly)

Returns the value of attribute root.



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# File 'lib/rails_admin/config/fields/base.rb', line 17

def root
  @root
end

#section ⇒ Object

Returns the value of attribute section.



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# File 'lib/rails_admin/config/fields/base.rb', line 16

def section
  @section
end

Instance Method Details

#association? ⇒ Boolean

Is this an association

Returns:

  • (Boolean) 


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# File 'lib/rails_admin/config/fields/base.rb', line 221

def association?
  kind_of?(RailsAdmin::Config::Fields::Association)
end

#editable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rails_admin/config/fields/base.rb', line 216

def editable?
  !(@properties && @properties[:read_only])
end

#errors ⇒ Object

Reader for validation errors of the bound object



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# File 'lib/rails_admin/config/fields/base.rb', line 226

def errors
  ([name] + children_fields).uniq.map do |column_name|
    bindings[:object].errors[column_name]
  end.uniq.flatten
end

#form_default_value ⇒ Object 



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# File 'lib/rails_admin/config/fields/base.rb', line 300

def form_default_value
  (self.default_value if bindings[:object].new_record? && self.value.nil? && !self.default_value.nil?)
end

#form_value ⇒ Object 



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# File 'lib/rails_admin/config/fields/base.rb', line 304

def form_value
  self.form_default_value.nil? ? self.formatted_value : self.form_default_value
end

#generic_field_help ⇒ Object 



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# File 'lib/rails_admin/config/fields/base.rb', line 281

def generic_field_help
  model = abstract_model.model_name.underscore
  model_lookup = "admin.help.#{model}.#{name}".to_sym
  translated = I18n.translate(model_lookup, :help => generic_help, :default => [generic_help])
  (translated.is_a?(Hash) ? translated.to_a.first[1] : translated).html_safe
end

#generic_help ⇒ Object 



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# File 'lib/rails_admin/config/fields/base.rb', line 277

def generic_help
  (required? ? I18n.translate("admin.form.required") : I18n.translate("admin.form.optional")) + '. '
end

#inspect ⇒ Object 



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# File 'lib/rails_admin/config/fields/base.rb', line 308

def inspect
  "#<#{self.class.name}[#{name}] #{
    instance_variables.map do |v|
      value = instance_variable_get(v)
      if [:@parent, :@root, :@section, :@children_fields_registered,
          :@associated_model_config, :@group, :@bindings].include? v
        if value.respond_to? :name
          "#{v}=#{value.name.inspect}"
        else
          "#{v}=#{value.class.name}"
        end
      else
        "#{v}=#{value.inspect}"
      end
    end.join(", ")
  }>"
end

#inverse_of ⇒ Object 



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# File 'lib/rails_admin/config/fields/base.rb', line 292

def inverse_of
  nil
end

#method_name ⇒ Object 



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# File 'lib/rails_admin/config/fields/base.rb', line 296

def method_name
  name
end

#optional(state = nil, &block) ⇒ Object

Inverse accessor whether this field is required.

See Also:

  • :required?


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# File 'lib/rails_admin/config/fields/base.rb', line 242

def optional(state = nil, &block)
  if !state.nil? || block
    required state.nil? ? proc { false == (instance_eval &block) } : false == state
  else
    optional?
  end
end

#optional=(state) ⇒ Object

Writer to make field optional.

See Also:

  • optional


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# File 'lib/rails_admin/config/fields/base.rb', line 253

def optional=(state)
  optional(state)
end

#optional? ⇒ Boolean

Reader whether field is optional.

Returns:

  • (Boolean)

See Also:

  • :required?


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# File 'lib/rails_admin/config/fields/base.rb', line 235

def optional?
  not required?
end

#parse_input(params) ⇒ Object 



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# File 'lib/rails_admin/config/fields/base.rb', line 288

def parse_input(params)
  # overriden
end

#type ⇒ Object

Reader for field’s type



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# File 'lib/rails_admin/config/fields/base.rb', line 258

def type
  @type ||= self.class.name.to_s.demodulize.underscore.to_sym
end

#type_css_class ⇒ Object 



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# File 'lib/rails_admin/config/fields/base.rb', line 35

def type_css_class
  "#{type}_type"
end

#value ⇒ Object

Reader for field’s value



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# File 'lib/rails_admin/config/fields/base.rb', line 263

def value
  bindings[:object].safe_send(name)
end

#virtual? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rails_admin/config/fields/base.rb', line 39

def virtual?
  properties.blank?
end