Module: RondoForm::ViewHelpers

Defined in:
lib/rondo_form/view_helpers.rb

Instance Method Summary collapse

Instance Method Details

shows a link that will allow to dynamically add a new associated object.

  • name : the text to show in the link

  • f : the form this should come in

  • association : the associated objects, e.g. :tasks, this should be the name of the has_many relation.

  • render_options: options to be passed to render

    • partial: ‘file_name’

    • locals: { hash_of: ‘local variables for rendered partial’ }

  • html_options: html options to be passed to link_to (see link_to)

  • *&block*: see link_to



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# File 'lib/rondo_form/view_helpers.rb', line 43

def link_to_add_association(*args, &block)
  if block_given?
    f, association, render_options, html_options = *args
    render_options ||= {}
    html_options ||= {}
    link_to_add_association(capture(&block), f, association, render_options, html_options)
  else
    name, f, association, render_options, html_options = *args
    render_options ||= {}
    html_options ||= {}

    html_options[:class] = [html_options[:class], "add_fields"].compact.join(' ')
    html_options[:'data-association'] = association.to_s.singularize
    html_options[:'data-associations'] = association.to_s.pluralize
    html_options[:'data-action'] = "click->nested-rondo#addField"

    new_object = f.object.class.reflect_on_association(association).klass.new
    model_name = new_object.class.name.underscore
    hidden_div = content_tag("template", id: "#{model_name}_fields_template", data: {'nested-rondo_target': 'template'}) do
      render_association(association, f, new_object, render_options)
    end
    hidden_div.html_safe + link_to(name, '', html_options )
  end
end

#link_to_remove_association(*args, &block) ⇒ Object

this will show a link to remove the current association. This should be placed inside the partial. either you give

  • name : the text of the link

  • f : the form this link should be placed in

  • html_options: html options to be passed to link_to (see link_to)

or you use the form without name with a *&block*

  • f : the form this link should be placed in

  • html_options: html options to be passed to link_to (see link_to)

  • *&block*: the output of the block will be show in the link, see link_to



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# File 'lib/rondo_form/view_helpers.rb', line 15

def link_to_remove_association(*args, &block)
  if block_given?
    f            = args.first
    html_options = args.second || {}
    name         = capture(&block)
    link_to_remove_association(name, f, html_options)
  else
    name, f, html_options = *args
    html_options ||= {}

    is_dynamic = f.object.new_record?
    html_options[:class] = [html_options[:class], "remove_fields #{is_dynamic ? 'dynamic' : 'existing'}"].compact.join(' ')
    html_options[:'data-action'] = "click->nested-rondo#removeField"
    f.hidden_field(:_destroy) + link_to(name, '', html_options)
  end
end

#render_association(association, f, new_object, render_options) ⇒ Object

:nodoc:



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# File 'lib/rondo_form/view_helpers.rb', line 69

def render_association(association, f, new_object, render_options)
  locals = render_options.delete(:locals) || {}
  render_options[:partial] = "#{association.to_s.singularize}_fields" unless render_options[:partial]
  f.fields_for(association, new_object, :child_index => "new_#{association}") do |builder|
    locals.store(:f, builder)
    render(render_options[:partial], locals)
  end
end