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 257 def call(tag, input) 258 unless id = input.opts[:id] 259 if key = input.opts[:key] 260 namespaces = input.form_opts[:namespace] 261 id = "#{namespaces.join('_')}#{'_' unless namespaces.empty?}#{key}" 262 if key_id = input.opts[:key_id] 263 id += "_#{key_id.to_s}" 264 end 265 end 266 end 267 268 label_attr = input.opts[:label_attr] 269 label_attr = label_attr ? label_attr.dup : {} 270 271 label_attr[:for] = label_attr[:for] === false ? nil : input.opts.fetch(:label_for, id) 272 label = input.opts[:label] 273 lpos = input.opts[:label_position] || ([:radio, :checkbox].include?(input.type) ? :after : :before) 274 275 case input.type 276 when :checkbox, :radio 277 label = if lpos == :before 278 [label, ' ', tag] 279 else 280 [tag, ' ', label] 281 end 282 input.tag(:label, label_attr, label) 283 when :submit 284 [tag] 285 else 286 label = input.tag(:label, label_attr, [input.opts[:label]]) 287 if lpos == :after 288 [tag, ' ', label] 289 else 290 [label, ' ', tag] 291 end 292 end 293 end