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module ApplicationHelper
def main_column_class
if has_side_column?
'with_side_column'
else
'full'
end
end
#
# two forms:
#
# (1) link('page-name')
# (2) link('label' => 'page-name')
#
# both accept optional options hash:
#
# (1) link('page-name', :class => 'x')
# (2) link('label' => 'page-name', :class => 'x')
#
def link(name, options=nil)
if name.is_a? Hash
klass = name.delete(:class)
label, name = name.to_a.first
if label.is_a? Symbol
label = I18n.t label
end
else
klass = options[:class] if options
end
if name.starts_with?('#')
path = name
else
page = StaticPage.find(name)
if page
label ||= page.title
path = page_path(page)
else
label = '[dead link]'
path = '/'
end
end
link_to label, path, {:class => klass}
end
def page_path(page)
if page.props.path_prefix
"/#{I18n.locale.to_s}/#{page.props.path_prefix}/#{page.name}"
else
'/' + ([I18n.locale.to_s] + page.path).join('/')
end
end
#
# allows a template to render a partial giving a relative path (relative to the calling template)
#
def render_local_template(arg, locals={})
caller_path = Pathname.new(caller.first.gsub(/^([^:]*).*$/, '\1'))
doc_root = Pathname.new(Rails.root + 'app/views')
template_path = File.dirname(caller_path.relative_path_from(doc_root).to_s) + '/' + arg
begin
render :template => template_path, :locals => locals
rescue ActionView::MissingTemplate => exc
"<!-- template missing %s -->" % template_path
end
end
def page_title
if @page
@page.props.title || @page.title
else
""
end
end
#
# renders the content of a static page
# this is an ugly duplicate of the application controller render_page, because
# they call two different 'render' methods (controller and view renders behave differently).
# TODO: figure out how to combine into one helper_method.
#
def render_page(page)
begin
render :template => page.template_path
rescue ActionView::MissingTemplate => exc
begin
render :template => page.template_path(DEFAULT_LOCALE)
rescue
raise exc
end
end
end
end
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