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form_helper.rb
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form_helper.rb
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module Ransack
module Helpers
module FormHelper
def search_form_for(record, options = {}, &proc)
if record.is_a?(Ransack::Search)
search = record
options[:url] ||= polymorphic_path(search.klass)
elsif record.is_a?(Array) && (search = record.detect {|o| o.is_a?(Ransack::Search)})
options[:url] ||= polymorphic_path(record.map {|o| o.is_a?(Ransack::Search) ? o.klass : o})
else
raise ArgumentError, "No Ransack::Search object was provided to search_form_for!"
end
options[:html] ||= {}
html_options = {
:class => options[:as] ? "#{options[:as]}_search" : "#{search.klass.to_s.underscore}_search",
:id => options[:as] ? "#{options[:as]}_search" : "#{search.klass.to_s.underscore}_search",
:method => :get
}
options[:as] ||= 'q'
options[:html].reverse_merge!(html_options)
options[:builder] ||= FormBuilder
form_for(record, options, &proc)
end
def sort_link(search, attribute, *args)
raise TypeError, "First argument must be a Ransack::Search!" unless Search === search
search_params = params[:q] || {}.with_indifferent_access
attr_name = attribute.to_s
name = (args.size > 0 && !args.first.is_a?(Hash)) ? args.shift.to_s : Translate.attribute(attr_name, :context => search.context)
if existing_sort = search.sorts.detect {|s| s.name == attr_name}
prev_attr, prev_dir = existing_sort.name, existing_sort.dir
end
options = args.first.is_a?(Hash) ? args.shift.dup : {}
default_order = options.delete :default_order
current_dir = prev_attr == attr_name ? prev_dir : nil
if current_dir
new_dir = current_dir == 'desc' ? 'asc' : 'desc'
else
new_dir = default_order || 'asc'
end
html_options = args.first.is_a?(Hash) ? args.shift.dup : {}
css = ['sort_link', current_dir].compact.join(' ')
html_options[:class] = [css, html_options[:class]].compact.join(' ')
options.merge!(
:q => search_params.merge(:s => "#{attr_name} #{new_dir}")
)
link_to [ERB::Util.h(name), order_indicator_for(current_dir)].compact.join(' ').html_safe,
url_for(options),
html_options
end
private
def order_indicator_for(order)
if order == 'asc'
'▲'
elsif order == 'desc'
'▼'
else
nil
end
end
end
end
end