Module: ApplicationHelper

Defined in:
app/helpers/application_helper.rb

Overview

Copyright 2011 innoQ Deutschland GmbH

Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Instance Method Summary collapse

Instance Method Details

#error_messages_for(object) ⇒ Object 



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# File 'app/helpers/application_helper.rb', line 69

def error_messages_for(object)
  if object.errors.any?
    content_tag :ul, :class => "flash_error error_list" do
      object.errors.full_messages.each do |msg|
        concat(content_tag(:li, msg))
      end
    end
  end
end

#iqvoc_default_rdf_namespaces ⇒ Object 



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# File 'app/helpers/application_helper.rb', line 38

def iqvoc_default_rdf_namespaces
  Iqvoc.rdf_namespaces.merge({
      :default => root_url(:format => nil, :lang => nil, :trailing_slash => true).gsub(/\/\/$/, "/"), # gsub because of a Rails bug :-(
      :coll => collections_url(:trailing_slash => true, :lang => nil, :format => nil),
      :schema => controller.schema_url(:format => nil, :anchor => "", :lang => nil)
    })
end

#item_listing(items, &block) ⇒ Object

Formats a list ob items or returns a remark if no items where given



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# File 'app/helpers/application_helper.rb', line 57

def item_listing(items, &block)
  return content_tag :p, "-", :class => 'term-unavailable' if items.empty?

  content_tag :ul, :class => "entity_list" do
    items.map do |item|
      content_tag :li, :class => (items.last == item ? "last-child" : "") do
        block.call(item)
      end
    end.join("\n").html_safe
  end
end

#nav_items(items) ⇒ Object

expects an array of hashes with the following members: :content - usually a navigation link :active? - an optional function determining whether the respective item is

currently active

:controller - an optional string, used instead of ‘active?` to check for a

specific controller

:authorized? - an optional function determining whether the respective item

is available to the current user (defaults to true)



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# File 'app/helpers/application_helper.rb', line 27

def nav_items(items)
  items.map do |item|
    if (not item[:authorized?]) || instance_eval(&item[:authorized?])
      active = item[:controller] ? params[:controller] == item[:controller] :
          (item[:active?] ? instance_eval(&item[:active?]) : false)
      content_tag "li", instance_eval(&item[:content]),
          :class => ("active" if active)
    end
  end.join.html_safe
end

#options_for_language_select(selected = nil) ⇒ Object 



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# File 'app/helpers/application_helper.rb', line 46

def options_for_language_select(selected = nil)
  locales_collection = Iqvoc.available_languages.map { |l| [l, l] }

  options_for_select(locales_collection, selected)
end

#user_details(user) ⇒ Object 



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# File 'app/helpers/application_helper.rb', line 52

def user_details(user)
  "#{user.name} (#{user.telephone_number})"
end