stex

#test/test_helper.rb
#
# Looks up the error message for the given error in the locales
#
def localized_validation_error_message(record, attribute, error_name)
  I18n.t("activerecord.errors.models.#{record.class.name.underscore}.attributes.#{attribute}.#{error_name}")
end

#
# @return [Boolean] +true+ if the given error was actually included in the validation errors

stex

# Don't forget to turn auto-loading all helpers off:
# config.action_controller.include_all_helpers = false

class ActionController::Base
  class << self
    def all_helpers(options = {})
      all_helpers_from_path(helpers_path) - Array(options[:except])
    end
  end
end

stex

module Lockable
  def self.included(base)
    base.class_eval do
      named_scope :not_locked, :conditions => {:deleted_at => nil}
      named_scope :locked,     :conditions => "#{table_name}.deleted_at IS NOT NULL"
    end
  end

  # Locks the record by setting the deleted_at attribute
  # to the current time.

stex

#This module contains all necessary methods to render liquid templates
#in a controller.

module LiquidHelpers
  module Rendering

    def self.included(base)
      base.class_eval do
        helper_method :render_liquid if respond_to?(:helper_method)
      end

stex

before_validation :ensure_default_date_format

# Parses dates in european date formats before saving a record
# Accepts dates in the format "dd.mm.yyyy" and "yyyy-mm-dd"
#--------------------------------------------------------------
def ensure_default_date_format
  self.class.columns.select {|c| c.type == :date}.each do |c|
    value_before_type_cast = send("#{c.name}_before_type_cast")
    date = Date.try(:parse, value_before_type_cast, :eu) || Date.parse(value_before_type_cast)
    write_attribute(c.name, date)

stex

# Example: Weekday Selection
# #weekdays{:data => {:toggle => :checkboxes}}
#      %label Weekdays
#      - [:mon, :tue, :wed, :thu, :fri, :sat, :sun].each do |wday|
#        = f.label wday
#        = f.check_box wday

# Creates a bootstrap buttonset and hides the original checkboxes
#--------------------------------------------------------------
initializeCheckboxButtonsets: () ->

stex

#Overrides the default way how rails marks form fields with errors.
#In this version, it only adds the class 'error' to label and element

ActionView::Base.field_error_proc = Proc.new do |html_tag, instance|
  if html_tag =~ /<(input|label|textarea|select)/
    html_field = Nokogiri::HTML::DocumentFragment.parse(html_tag)
    html_field.children.add_class 'error'
    html_field.to_s
  else
    html_tag

stex

%Creates an image displaying the compilation of a compiler and the result
\begin{picture}(300,75)
  \put(0,25) {\tdiagram(from Q to M_2 in Q)}
  \put(65,0) {\tdiagram(from Q to M_1 in M_1)}
  \put(130,25) {\tdiagram(from Q to M_2 in M_1)}
\end{picture}

%Creates an image of a compiler chain
\begin{picture}(200,50)
  \put(0,0) {\tdiagram(from Q to Z in Q)}

stex

%ul.breadcrumb
  - breadcrumbs.each do |breadcrumb_item|
    %li{:class => breadcrumb_item[:classes].join(' ')}
      - if breadcrumb_item[:collection] && breadcrumb_item[:collection].size > 1 #Elements with dropdowns
        %a.dropdown-toggle{'data-toggle' => 'dropdown', :href => '#'}
          = breadcrumb_item[:caption]
          %span.caret
        %ul.dropdown-menu
          - breadcrumb_item[:collection].shift if breadcrumb_item[:active]
          - breadcrumb_item[:collection].each do |bi|