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# frozen_string_literal: true
module Decidim
# Helper that provides a single method to create filter resource forms
module FiltersHelper
# This method wraps everything in a div with class filters and calls
# the form_for helper with a custom builder
#
# filter - A filter object
# url - A String with the URL to post the from. Self URL by default.
# html_options - Extra HTML options to be passed to form_for
# block - A block to be called with the form builder
#
# Returns the filter resource form wrapped in a div
def filter_form_for(filter, url = url_for, html_options = {})
content_tag :div, class: "filters" do
form_for(
filter,
namespace: filter_form_namespace,
builder: FilterFormBuilder,
url: url,
as: :filter,
method: :get,
remote: true,
html: { id: nil }.merge(html_options)
) do |form|
# Cannot use `concat()` here because it's not available in cells
inner = []
inner << hidden_field_tag("per_page", params[:per_page], id: nil) if params[:per_page]
inner << capture { yield form }
inner.join.html_safe
end
end
end
private
# Creates a unique namespace for a filter form to prevent dupliacte IDs in
# the DOM when multiple filter forms are rendered with the same fields (e.g.
# for desktop and mobile).
def filter_form_namespace
"filters_#{SecureRandom.uuid}"
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems