Sha256: e5bc8ef4ae1bfed85862c36e5adc0d1fb5aa03205f255fd26127adf724d38f0a
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Size: 1.42 KB
Versions: 7
Compression:
Stored size: 1.42 KB
Contents
require 'action_view/helpers/form_helper'
ActionView::Helpers::FormBuilder.send :include do
def has_many_through_collection_check_boxes(attribute, collection, label_attribute)
return if collection.empty?
through_class = object.class.reflect_on_association(attribute).class_name.constantize
foreign_key = through_class.reflect_on_all_associations(:belongs_to).detect { |r| r.class_name != object.class.name }.primary_key_name
item_class = collection.first.class.name.underscore.gsub('/', '_')
# TODO: wouldn't it be better to render the checkboxes as a list(iw)
html = ''
collection.each_with_index do |item, ix|
param = "#{object_name}[#{attribute}_attributes][#{ix}]"
through = object.send(attribute).detect { |t| t.send(foreign_key) == item.id }
if through
html << @template.hidden_field_tag("#{param}[id]", through.id, :id => '')
html << @template.hidden_field_tag("#{param}[_destroy]", '1', :id => '')
html << @template.label_tag("#{param}[_destroy]", :class => "checkbox #{item_class}") do
@template.check_box_tag("#{param}[_destroy]", '0', true) + item.send(label_attribute)
end
else
html << @template.label_tag("#{param}[#{foreign_key}]", :class => "checkbox #{item_class}") do
@template.check_box_tag("#{param}[#{foreign_key}]", item.id) + item.send(label_attribute)
end
end
end
html.html_safe
end
end
Version data entries
7 entries across 7 versions & 1 rubygems