1  # Redmine - project management software
   2  # Copyright (C) 2006-2011  Jean-Philippe Lang
   3  #
   4  # This program is free software; you can redistribute it and/or
   5  # modify it under the terms of the GNU General Public License
   6  # as published by the Free Software Foundation; either version 2
   7  # of the License, or (at your option) any later version.
   8  #
   9  # This program is distributed in the hope that it will be useful,
  10  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  # GNU General Public License for more details.
  13  #
  14  # You should have received a copy of the GNU General Public License
  15  # along with this program; if not, write to the Free Software
  16  # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17 
  18  require 'action_view/helpers/form_helper'
  19 
  20  class Redmine::Views::LabelledFormBuilder < ActionView::Helpers::FormBuilder
  21    include Redmine::I18n
  22 
  23    (field_helpers.map(&:to_s) - %w(radio_button hidden_field fields_for) +
  24          %w(date_select)).each do |selector|
  25      src = <<-END_SRC
  26      def #{selector}(field, options = {})
  27        label_for_field(field, options) + super(field, options.except(:label))
  28      end
  29      END_SRC
  30      class_eval src, __FILE__, __LINE__
  31    end
  32 
  33    def select(field, choices, options = {}, html_options = {})
  34      label_for_field(field, options) + super(field, choices, options, html_options.except(:label))
  35    end
  36 
  37    # Returns a label tag for the given field
  38    def label_for_field(field, options = {})
  39        return ''.html_safe if options.delete(:no_label)
  40        text = options[:label].is_a?(Symbol) ? l(options[:label]) : options[:label]
  41        text ||= l(("field_" + field.to_s.gsub(/\_id$/, "")).to_sym)
  42        text += @template.content_tag("span", " *", :class => "required") if options.delete(:required)
  43        @template.content_tag("label", text.html_safe,
  44                                       :class => (@object && @object.errors[field] ? "error" : nil),
  45                                       :for => (@object_name.to_s + "_" + field.to_s))
  46    end
  47  end