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Contents
# frozen_string_literal: true
module MrCommon
# Default form builder for the app. Slightly customized to provide methods for
# .form-group divs and error text
class ApplicationFormBuilder < ActionView::Helpers::FormBuilder
# wraps a block in a .form-group div, applies an .error class when the given field
# has errors
#
# <%= f.form_group :email do %>
# <%= f.label :email %>
# <%= f.email_field :email, class: 'form-control' %>
# <% end %>
#
# =>
# <div class="form-group">
# <label for="Registration_email">Email</label>
# <input class="form-control" value="asdf@asdfasdf" name="Registration[email]" id="Registration_email" type="email">
# </div>
#
def form_group(method_or_methods = nil, options = {}, &block)
div_classes = ["form-group"]
div_classes << "required" if options[:required]
div_classes << options.delete(:class) if options[:class]
div_classes << "error" if _error_for_any?(method_or_methods)
div_classes = div_classes.join(" ")
@template.content_tag(:div, class: div_classes) do
yield block
end
end
def _error_for_any?(methods)
Array[methods].flatten.find { |m| object.errors[m].any? }
end
# Outputs an error message tag when errors are present on the given field
#
# <%= f.errors :email %>
#
# =>
# <div class="error-message">is invalid</div>
#
def errors(method, options = {})
return nil unless object.errors[method].any?
text = options.delete(:text) || object.errors[method].join(", ")
div_classes = options.delete(:class) || "error-message"
@template.content_tag(:div, text, class: div_classes)
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems