Labeler that creates BS3 label tags referencing the the given tag’s id using a for attribute. Requires that all tags with labels have id fields.
Registered as :bs3.
Public Instance methods
call(tag, input)
Return an array with a label tag as the first entry and tag as a second entry. If the input has a :label_for option, use that, otherwise use the input’s :id option. If neither the :id or :label_for option is used, the label created will not be associated with an input.
[show source]
# File lib/forme/bs3.rb 274 def call(tag, input) 275 unless id = input.opts[:id] 276 if key = input.opts[:key] 277 namespaces = input.form_opts[:namespace] 278 id = "#{namespaces.join('_')}#{'_' unless namespaces.empty?}#{key}" 279 if key_id = input.opts[:key_id] 280 id += "_#{key_id.to_s}" 281 end 282 end 283 end 284 285 label_attr = input.opts[:label_attr] 286 label_attr = label_attr ? label_attr.dup : {} 287 288 label_attr[:for] = label_attr[:for] == false ? nil : input.opts.fetch(:label_for, id) 289 label = input.opts[:label] 290 lpos = input.opts[:label_position] || ([:radio, :checkbox].include?(input.type) ? :after : :before) 291 292 case input.type 293 when :checkbox, :radio 294 label = if lpos == :before 295 [label, ' ', tag] 296 else 297 [tag, ' ', label] 298 end 299 input.tag(:label, label_attr, label) 300 when :submit 301 [tag] 302 else 303 label = input.tag(:label, label_attr, [input.opts[:label]]) 304 if lpos == :after 305 [tag, ' ', label] 306 else 307 [label, ' ', tag] 308 end 309 end 310 end