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Contents
module ExpressTemplates
module Components
module Forms
# Provides a form Select component based on the Rails *collection_select* helper.
class SelectCollection < Select
has_option :multiple, "Allow multiple selections.", default: true
contains -> {
label_tag(label_name, label_text)
# need this because the collection_select helper does not provide
# the hidden_field_tag trick (see rails api docs for select)
hidden_field_tag(multi_field_name, '')
collection_select(*collection_select_tag_args)
}
def collection_select_tag_args
[ resource_name,
multi_field_name,
related_collection, :id, :name,
field_options,
html_options ]
end
def field_options
{include_blank: !!input_attributes.delete(:include_blank)}
end
def html_options
input_attributes.reject {|k,v| k.eql?(:include_blank)}.merge(multiple: config[:multiple])
end
def multi_field_name
if has_many_through_association
"#{field_name.singularize}_ids"
else
raise "Only use select_collection for has_many :through. #{field_name} is not has_many :through"
end
end
end
end
end
end
Version data entries
62 entries across 62 versions & 2 rubygems