55 lines
1.7 KiB
Ruby
55 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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module SimpleForm
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module Inputs
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class GroupedCollectionSelectInput < CollectionInput
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def input(wrapper_options = nil)
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label_method, value_method = detect_collection_methods
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merged_input_options = merge_wrapper_options(input_html_options, wrapper_options)
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@builder.grouped_collection_select(attribute_name, grouped_collection,
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group_method, group_label_method, value_method, label_method,
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input_options, merged_input_options)
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end
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private
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def grouped_collection
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@grouped_collection ||= begin
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grouped_collection = options.delete(:collection)
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grouped_collection.respond_to?(:call) ? grouped_collection.call : grouped_collection.to_a
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end
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end
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# Sample collection
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def collection
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@collection ||= grouped_collection.map { |collection| collection.try(:send, group_method) }.detect(&:present?) || []
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end
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def group_method
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@group_method ||= options.delete(:group_method)
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end
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def group_label_method
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label = options.delete(:group_label_method)
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unless label
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common_method_for = detect_common_display_methods(detect_collection_classes(grouped_collection))
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label = common_method_for[:label]
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end
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label
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end
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def detect_method_from_class(collection_classes)
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return {} if collection_classes.empty?
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sample = collection_classes.first
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{ label: SimpleForm.collection_label_methods.find { |m| sample.instance_methods.include?(m) },
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value: SimpleForm.collection_value_methods.find { |m| sample.instance_methods.include?(m) } }
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end
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end
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end
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end
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