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# Redmine - project management software

# Copyright (C) 2006-2012  Jean-Philippe Lang

#

# This program is free software; you can redistribute it and/or

# modify it under the terms of the GNU General Public License

# as published by the Free Software Foundation; either version 2

# of the License, or (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

require 'action_view/helpers/form_helper'

class Redmine::Views::LabelledFormBuilder < ActionView::Helpers::FormBuilder

  include Redmine::I18n

  (field_helpers.map(&:to_s) - %w(radio_button hidden_field fields_for) +

        %w(date_select)).each do |selector|

    src = <<-END_SRC

    def #{selector}(field, options = {})

      label_for_field(field, options) + super(field, options.except(:label)).html_safe

    end

    END_SRC

    class_eval src, __FILE__, __LINE__

  end

  def select(field, choices, options = {}, html_options = {})

    label_for_field(field, options) + super(field, choices, options, html_options.except(:label)).html_safe

  end

  def time_zone_select(field, priority_zones = nil, options = {}, html_options = {})

        label_for_field(field, options) + super(field, priority_zones, options, html_options.except(:label)).html_safe

  end

  # Returns a label tag for the given field

  def label_for_field(field, options = {})

      return ''.html_safe if options.delete(:no_label)

      text = options[:label].is_a?(Symbol) ? l(options[:label]) : options[:label]

      text ||= l(("field_" + field.to_s.gsub(/\_id$/, "")).to_sym)

      text += @template.content_tag("span", " *", :class => "required") if options.delete(:required)

      @template.content_tag("label", text.html_safe,

                                     :class => (@object && @object.errors[field].present? ? "error" : nil),

                                     :for => (@object_name.to_s + "_" + field.to_s))

  end

end