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Contents
# This is a common set of Formtastic overrides needed to build a filter form
# that lets you select from a set of search methods for a given attribute.
#
# Your class must declare available filters for this module to work.
# Those filters must be recognizable by Metasearch. For example:
#
# class FilterNumericInput < ::Formtastic::Inputs::NumberInput
# include FilterBase
# include FilterBase::SearchMethodSelect
#
# filter :equals, :greater_than, :less_than
# end
#
module ActiveAdmin
module Inputs
module FilterBase
module SearchMethodSelect
def self.included(base)
base.extend ClassMethods
end
module ClassMethods
attr_reader :filters
def filter(*filters)
(@filters ||= []).push *filters
end
end
def wrapper_html_options
opts = super
(opts[:class] ||= '') << ' select_and_search'
opts
end
def to_html
input_wrapping do
label_html << # your label
select_html << # the dropdown that holds the available search methods
input_html # your input field
end
end
def input_html
builder.text_field current_filter, input_html_options
end
def select_html
template.select_tag '', template.options_for_select(filter_options, current_filter)
end
def filters
options[:filters] || self.class.filters
end
def current_filter
@current_filter ||= begin
methods = filters.map{ |f| "#{method}_#{f}" }
methods.detect{ |m| @object.send m } || methods.first
end
end
def filter_options
filters.collect do |filter|
[I18n.t("active_admin.filters.predicates.#{filter}"), "#{method}_#{filter}"]
end
end
end
end
end
end
Version data entries
7 entries across 7 versions & 2 rubygems