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 271 def call(tag, input) 272 unless id = input.opts[:id] 273 if key = input.opts[:key] 274 namespaces = input.form_opts[:namespace] 275 id = "#{namespaces.join('_')}#{'_' unless namespaces.empty?}#{key}" 276 if key_id = input.opts[:key_id] 277 id += "_#{key_id.to_s}" 278 end 279 end 280 end 281 282 label_attr = input.opts[:label_attr] 283 label_attr = label_attr ? label_attr.dup : {} 284 285 label_attr[:for] = label_attr[:for] === false ? nil : input.opts.fetch(:label_for, id) 286 label = input.opts[:label] 287 lpos = input.opts[:label_position] || ([:radio, :checkbox].include?(input.type) ? :after : :before) 288 289 case input.type 290 when :checkbox, :radio 291 label = if lpos == :before 292 [label, ' ', tag] 293 else 294 [tag, ' ', label] 295 end 296 input.tag(:label, label_attr, label) 297 when :submit 298 [tag] 299 else 300 label = input.tag(:label, label_attr, [input.opts[:label]]) 301 if lpos == :after 302 [tag, ' ', label] 303 else 304 [label, ' ', tag] 305 end 306 end 307 end