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Contents
module RacesHelper
#
# Support methods for nested forms lifted from http://transfs.com/devblog/2009/06/26/nested-forms-with-rails-2-3-helpers-and-javascript-tricks/
#
def link_to_new_nested_form(name, form_builder, method, options = {})
klass = form_builder.object.class.reflect_on_association(method).klass
Rails.logger.warn "!! link_to_new_nested_form: klass is #{klass.inspect}"
options[:object] ||= klass.new
options[:partial] ||= method.to_s.singularize
options[:form_builder_local] ||= :f
options[:element_id] ||= method.to_s
options[:position] ||= :bottom
link_to_function name do |page|
html = generate_nested_form(form_builder,
method,
:object => options[:object],
:partial => options[:partial],
:form_builder_local => options[:form_builder_local]
)
page << %{
$('#{options[:element_id]}').insert({ #{options[:position]}: "#{ escape_javascript html }".replace(/NEW_RECORD/g, new Date().getTime()) });
}
end
end
def generate_nested_form(form_builder, method, options = {})
options[:object] ||= form_builder.object.class.reflect_on_association(method).klass.new
options[:partial] ||= method.to_s.singularize
options[:form_builder_local] ||= :f
form_builder.fields_for(method, options[:object], :child_index => 'NEW_RECORD') do |f|
render(:partial => options[:partial], :locals => { options[:form_builder_local] => f })
end
end
def truncate_words(text='', length=64, omission="...")
return '' if text.blank?
words = text.split
omission = '' unless words.size > length
words[0..(length-1)].join(" ") + omission
end
end
Version data entries
13 entries across 13 versions & 1 rubygems