foodsoft/app/helpers/application_helper.rb

184 lines
6.1 KiB
Ruby

# 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]
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
content_tag :div, class: 'btn-group pull-right' do
links.join.html_safe
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 acronym title of 'foo'.
def heading_helper(model, attribute, options = {})
s = model.human_attribute_name(attribute)
if options[:short]
sshort = model.human_attribute_name("#{attribute}_short".to_sym, default: '')
s = raw "<acronym title='#{s}'>#{sshort}</acronym>" unless sshort.empty?
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 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
# offers a link for writing message to user
# checks for nil (useful for relations)
def link_to_user_message_if_valid(user)
user.nil? ? '??' : link_to(user.nick, new_message_path('message[mail_to]' => user.id),
:title => I18n.t('helpers.application.write_message'))
end
def bootstrap_flash
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
end