tap/app/form_builders/formatted_form_builder.rb
2015-02-19 18:08:50 +01:00

172 lines
4.7 KiB
Ruby

class FormattedFormBuilder < ActionView::Helpers::FormBuilder
include ActionView::Helpers::TextHelper
include ActionView::Context
include ActionView::Helpers::NumberHelper
FIELD_HELPERS = %w[text_field number_field file_field password_field]
delegate :content_tag, to: :@template
def initialize(object_name, object, template, options)
@inline_errors = true
super
end
FIELD_HELPERS.each do |method_name|
with_method_name = "#{method_name}_with_format"
without_method_name = "#{method_name}_without_format"
define_method(with_method_name) do |name, options = {}|
form_group_builder(name, options) do
send(without_method_name, name, options)
end
end
alias_method_chain method_name, :format
end
def price_field(name, options = {})
options[:min] ||= 0
options[:value] ||= number_with_precision(object[name], precision: 2)
form_group_builder(name, options) do
number_field_without_format(name, options)
end
end
def check_box_with_format(name, options = {}, checked_value = "1", unchecked_value = "0", &block)
options.symbolize_keys!
checkbox = check_box_without_format(name, options.except(:label), checked_value, unchecked_value)
label_content = block_given? ? capture(&block) : options[:label]
content_tag :div, class: control_wrapper_class do
checkbox + " " + label(name, label_content)
end
end
def counter(name, options = {})
form_group_builder(name, options) do
counter_button("btn-dec", "glyphicon-minus") +
text_field_without_format(name, options.merge({class: 'form-control row_counter big-form-field'})) +
counter_button("btn-inc", "glyphicon-plus")
end
end
alias_method_chain :check_box, :format
def collection_select_with_format(name, collection, value_method = :to_s, text_method = :titlecase, options = {}, html_options = {})
form_group_builder(name, options, html_options) do
collection_select_without_format(name, collection, value_method, text_method, options, html_options)
end
end
alias_method_chain :collection_select, :format
def submit_with_format(name = nil, options = {})
options[:class] = submit_class unless options[:class]
content_tag :div, class: submit_wrapper_class do
submit_without_format(name, options)
end
end
alias_method_chain :submit, :format
def error_messages
if object.errors.any?
content_tag :div, class: "panel panel-danger form-errors" do
content_tag(:div, class: "panel-heading") do
"#{pluralize(object.errors.count, "error")} prohibited this #{object.class.name.downcase} from being saved:"
end +
content_tag(:div, class: "panel-body") do
content_tag :ul do
object.errors.full_messages.map do |msg|
content_tag :li, msg
end.join.html_safe
end
end
end
end
end
private
def label_class
"control-label"
end
def control_class
"form-control"
end
def control_wrapper_class
"form-group"
end
def submit_class
"btn btn-primary"
end
def submit_wrapper_class
"actions"
end
def form_group(*args, &block)
options = args.extract_options!
name = args.first
options[:class] = [control_wrapper_class, options[:class]].compact.join(' ')
content_tag(:div, options.except(:label)) do
label = generate_label(name, options[:label]) if options[:label]
control = capture(&block).to_s
if label
label + control
else
control
end
end
end
def form_group_builder(method, options, html_options = nil)
options.symbolize_keys!
css_options = html_options || options
css_options[:class] = [control_class, css_options[:class]].compact.join(" ")
wrapper_class = css_options.delete(:wrapper_class)
wrapper_options = css_options.delete(:wrapper)
form_group_options = {
class: wrapper_class
}
if wrapper_options.is_a?(Hash)
form_group_options.merge!(wrapper_options)
end
unless options.delete(:skip_label)
form_group_options.reverse_merge!(label: {
text: options.delete(:label),
class: label_class
})
end
form_group(method, form_group_options) do
yield
end
end
def generate_label(name, options = {})
label("#{name}:", options[:text], options)
end
def counter_button(button, glyphicon)
content_tag :span, class: "input-group-btn" do
content_tag :button, class: "btn btn-default btn-lg #{button}", type: "button" do
content_tag :span, "", class: "glyphicon btn-lg #{glyphicon}"
end
end
end
end