app/helpers/application_helper.rb
# encoding: utf-8
#
# Methods added to this helper will be available to all templates in the application.
module ApplicationHelper
def format_time(time = Time.now)
I18n.l(time, :format => "%d.%m.%Y %H:%M") unless time.nil?
end
def format_date(time = Time.now)
I18n.l(time.to_date) unless time.nil?
end
def format_datetime(time = Time.now)
I18n.l(time) unless time.nil?
end
def format_datetime_timespec(time, format)
I18n.l(time, :format => format) unless (time.nil? or format.nil?)
end
# Creates ajax-controlled-links for pagination
def pagination_links_remote(collection, options = {})
per_page = options[:per_page] || @per_page
params = options[:params] || {}
params = params.merge({:per_page => per_page})
paginate collection, :params => params, :remote => true
end
# Link-collection for per_page-options when using the pagination-plugin
def items_per_page(options = {})
per_page_options = options[:per_page_options] || [20, 50, 100, 500]
current = options[:current] || @per_page
params = params || {}
links = per_page_options.map do |per_page|
params.merge!({:per_page => per_page})
link_class = 'btn'
link_class << ' disabled' if per_page == current
link_to(per_page, params, :remote => true, class: link_class)
end
if options[:wrap] == false
links.join.html_safe
else
content_tag :div, class: 'btn-group pull-right' do
links.join.html_safe
end
end
end
def sort_link_helper(text, key, options = {})
# Hmtl options
remote = options[:remote].nil? ? true : options[:remote]
class_name = case params[:sort]
when key then
'sortup'
when key + '_reverse' then
'sortdown'
else
nil
end
html_options = {
:title => I18n.t('helpers.application.sort_by', text: text),
:remote => remote,
:class => class_name
}
# Url options
key += "_reverse" if params[:sort] == key
per_page = options[:per_page] || @per_page
url_options = params.merge(per_page: per_page, sort: key)
url_options.merge!({page: params[:page]}) if params[:page]
url_options.merge!({query: params[:query]}) if params[:query]
link_to(text, url_for(url_options), html_options)
end
# Generates text for table heading for model attribute
# When the 'short' option is true, abbreviations will be used:
# When there is a non-empty model attribute 'foo', it looks for
# the model attribute translation 'foo_short' and use that as
# heading, with an abbreviation title of 'foo'. If a translation
# 'foo_desc' is present, that is used instead, but that can be
# be overridden by the option 'desc'.
# Other options are passed through to I18n.
def heading_helper(model, attribute, options = {})
i18nopts = {count: 2}.merge(options.select {|a| !['short', 'desc'].include?(a) })
s = model.human_attribute_name(attribute, i18nopts)
if options[:short]
desc = options[:desc]
desc ||= model.human_attribute_name("#{attribute}_desc".to_sym, options.merge({fallback: true, default: '', count: 2}))
desc.blank? and desc = s
sshort = model.human_attribute_name("#{attribute}_short".to_sym, options.merge({fallback: true, default: '', count: 2}))
s = raw "<abbr title='#{desc}'>#{sshort}</abbr>" unless sshort.blank?
end
s
end
# Generates a link to the top of the website
def link_to_top
link_to '#' do
content_tag :i, nil, class: 'icon-arrow-up icon-large'
end
end
# Returns the weekday. 0 is sunday, 1 is monday and so on
def weekday(dayNumber)
weekdays = I18n.t('date.day_names')
return weekdays[dayNumber]
end
# to set a title for both the h1-tag and the title in the header
def title(page_title, show_title = true)
content_for(:title) { page_title.to_s }
@show_title = show_title
end
def show_title?
@show_title
end
def tab_is_active?(tab)
tab[:active].detect {|c| controller.controller_path.match(c) }
end
def icon(name, options={})
icons = {
:delete => { :file => 'b_drop.png', :alt => I18n.t('ui.delete')},
:edit => { :file => 'b_edit.png', :alt => I18n.t('ui.edit')},
:members => { :file => 'b_users.png', :alt => I18n.t('helpers.application.edit_user')}
}
options[:alt] ||= icons[name][:alt]
options[:title] ||= icons[name][:title]
options.merge!({:size => '16x16',:border => "0"})
image_tag icons[name][:file], options
end
# Remote links with default 'loader'.gif during request
def remote_link_to(text, options={})
remote_options = {
:before => "Element.show('loader')",
:success => "Element.hide('loader')",
:method => :get
}
link_to(text, options[:url], remote_options.merge(options))
end
def search_data(query, field)
controller.search_data(query, field)
end
def format_roles(record)
roles = []
roles << I18n.t('helpers.application.role_admin') if record.role_admin?
roles << I18n.t('helpers.application.role_finance') if record.role_finance?
roles << I18n.t('helpers.application.role_suppliers') if record.role_suppliers?
roles << I18n.t('helpers.application.role_article_meta') if record.role_article_meta?
roles << I18n.t('helpers.application.role_orders') if record.role_orders?
roles.join(', ')
end
def link_to_gmaps(address)
link_to h(address), "http://maps.google.com/?q=#{h(address)}", :title => I18n.t('helpers.application.show_google_maps'),
:target => "_blank"
end
# Returns flash messages html.
#
# Use this instead of twitter-bootstrap's +bootstrap_flash+ method for safety, until
# CVE-2014-4920 is fixed.
#
# @return [String] Flash message html.
# @see http://blog.nvisium.com/2014/03/reflected-xss-vulnerability-in-twitter.html
def bootstrap_flash_patched
flash_messages = []
flash.each do |type, message|
type = :success if type == :notice
type = :error if type == :alert
text = content_tag(:div,
content_tag(:button, I18n.t('ui.marks.close').html_safe, :class => "close", "data-dismiss" => "alert") +
message, :class => "alert fade in alert-#{type}")
flash_messages << text if message
end
flash_messages.join("\n").html_safe
end
# render base errors in a form after failed validation
# http://railsapps.github.io/twitter-bootstrap-rails.html
def base_errors resource
return '' if (resource.errors.empty?) or (resource.errors[:base].empty?)
messages = resource.errors[:base].map { |msg| content_tag(:li, msg) }.join
render :partial => 'shared/base_errors', :locals => {:error_messages => messages}
end
# show a user, depending on settings
def show_user(user=@current_user, options = {})
if user.nil?
"?"
elsif FoodsoftConfig[:use_nick]
if options[:full] and options[:markup]
raw "<b>#{h user.nick}</b> (#{h user.first_name} #{h user.last_name})"
elsif options[:full]
"#{user.nick} (#{user.first_name} #{user.last_name})"
else
# when use_nick was changed from false to true, users may exist without nick
user.nick.nil? ? I18n.t('helpers.application.nick_fallback') : user.nick
end
else
"#{user.first_name} #{user.last_name}" + (options[:unique] ? " (\##{user.id})" : '')
end
end
# render user presentation linking to default action (plugins can override this)
def show_user_link(user=@current_user)
show_user user
end
# allow truncate to add title when tooltip option is given
def truncate(text, options={}, &block)
return text if not text or text.length <= (options[:length] or 30)
text_truncated = super(text, options, &block)
if options[:tooltip]
content_tag :span, text_truncated, title: text
else
text_truncated
end
end
def item_icon_helper(type)
if type==true
content_tag :i, nil, class: 'icon-ok', style: 'color: green'
elsif type==false
content_tag :i, nil, class: 'icon-remove', style: 'color: red'
elsif type==:warn
content_tag :i, nil, class: 'icon-warning-sign', style: 'color: #aa0'
else
content_tag :i, nil, class: 'icon-cog', style: 'color: #e3e3e3'
end.html_safe
end
# allow to replace some variables in a text
# TODO make this general
def expand_text(txt, options = {})
return if txt.blank?
txt = txt.gsub(/%{contact\.([_a-zA-Z0-9]+)}/) {|s| FoodsoftConfig[:contact][$1]}
txt = txt.gsub(/%{(homepage|name|sub_name)}/) { |s| FoodsoftConfig[$1.to_sym] }
options.each { |k,v| txt = txt.gsub(/%{#{k}}/) {|s| options[k]} }
txt
end
# @return [String] path to foodcoop CSS style (with MD5 parameter for caching)
def foodcoop_css_path(options={})
super(options.merge({md5: Digest::MD5.hexdigest(FoodsoftConfig[:custom_css])}))
end
# @return [String] stylesheet tag for foodcoop CSS style (+custom_css+ foodcoop config)
# @see #foodcoop_css_path
def foodcoop_css_tag(options={})
unless FoodsoftConfig[:custom_css].blank?
stylesheet_link_tag foodcoop_css_path, media: 'all'
end
end
end