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module ActiveAdmin
# This form builder defines methods to build filter forms such
# as the one found in the sidebar of the index page of a standard resource.
class FilterFormBuilder < FormBuilder
def filter(method, options = {})
return "" if method.nil? || method == ""
options[:as] ||= default_input_type(method)
return "" unless options[:as]
content = input(method, options)
form_buffers.last << content.html_safe if content
end
protected
# Returns the default filter type for a given attribute
def default_input_type(method, options = {})
if column = column_for(method)
case column.type
when :date, :datetime
return :date_range
when :string, :text
return :string
when :integer
return :select if reflection_for(method.to_s.gsub('_id','').to_sym)
return :numeric
when :float, :decimal
return :numeric
end
end
if reflection = reflection_for(method)
return :select if reflection.macro == :belongs_to && !reflection.options[:polymorphic]
end
end
def custom_input_class_name(as)
"ActiveAdmin::Inputs::Filter#{as.to_s.camelize}Input"
end
# Returns the column for an attribute on the object being searched
# if it exists. Otherwise returns nil
def column_for(method)
@object.base.columns_hash[method.to_s] if @object.base.respond_to?(:columns_hash)
end
# Returns the association reflection for the method if it exists
def reflection_for(method)
@object.base.reflect_on_association(method) if @object.base.respond_to?(:reflect_on_association)
end
end
end
Version data entries
9 entries across 9 versions & 2 rubygems