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