Class: Forms::FieldsForBuilder

Inherits:
Object
  • Object
show all
Includes:
PhlexForms::Builder
Defined in:
lib/forms/fields_for_builder.rb

Overview

Yielded inside Form#fields_for for nested attributes. Reuses the shared Builder API (f.field, f.Input, ...) against a nested scope, rendering through the parent form.

Constant Summary

Constants included from PhlexForms::Builder

PhlexForms::Builder::INPUT_TYPE_INFERENCE, PhlexForms::Builder::INPUT_TYPE_MODIFIERS

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from PhlexForms::Builder

#Checkbox, #Control, #FileInput, #Hidden, #Input, #Label, #Radio, #Select, #Textarea, #Toggle, #field

Constructor Details

#initialize(model:, scope:, errors:, parent_form:) ⇒ FieldsForBuilder

Returns a new instance of FieldsForBuilder.



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# File 'lib/forms/fields_for_builder.rb', line 12

def initialize(model:, scope:, errors:, parent_form:)
  @model = model
  @scope = scope
  @errors = errors
  @parent_form = parent_form
end

Instance Attribute Details

#errors ⇒ Object (readonly)

Returns the value of attribute errors.



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# File 'lib/forms/fields_for_builder.rb', line 10

def errors
  @errors
end

#model ⇒ Object (readonly)

Returns the value of attribute model.



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# File 'lib/forms/fields_for_builder.rb', line 10

def model
  @model
end

#parent_form ⇒ Object (readonly)

Returns the value of attribute parent_form.



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# File 'lib/forms/fields_for_builder.rb', line 10

def parent_form
  @parent_form
end

#scope ⇒ Object (readonly)

Returns the value of attribute scope.



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# File 'lib/forms/fields_for_builder.rb', line 10

def scope
  @scope
end

Instance Method Details

#field_id(name) ⇒ Object 



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# File 'lib/forms/fields_for_builder.rb', line 45

def field_id(name)   = "#{@scope.tr('[', '_').delete(']')}_#{name}"

#field_name(name) ⇒ Object 



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# File 'lib/forms/fields_for_builder.rb', line 44

def field_name(name) = "#{@scope}[#{name}]"

#field_object(name) ⇒ Object 



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# File 'lib/forms/fields_for_builder.rb', line 24

def field_object(name)
  Forms::Field.new(name:, model: @model, scope: @scope, errors: @errors, form: @parent_form)
end

#fields_for(association_name, model = nil) ⇒ Object

Nested fields_for (single association or has_many collection).



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# File 'lib/forms/fields_for_builder.rb', line 29

def fields_for(association_name, model = nil, &)
  return unless block_given?

  associated = model || (@model.public_send(association_name) if @model.respond_to?(association_name))
  base_scope = "#{@scope}[#{association_name}_attributes]"

  if associated.respond_to?(:each_with_index)
    associated.each_with_index do |item, index|
      yield build_nested("#{base_scope}[#{index}]", item)
    end
  else
    yield build_nested(base_scope, associated)
  end
end

#render ⇒ Object

The Builder mixin renders through render; delegate to the parent form.



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# File 'lib/forms/fields_for_builder.rb', line 20

def render(...)
  @parent_form.render(...)
end