foodsoft/plugins/wiki/app/helpers/pages_helper.rb
2015-02-28 14:50:25 +01:00

73 lines
2 KiB
Ruby

module PagesHelper
include WikiCloth
def rss_meta_tag
tag('link', :rel => "alternate", :type => "application/rss+xml", :title => "RSS", :href => all_pages_rss_url).html_safe
end
def wikified_body(body, title = nil)
FoodsoftWiki::WikiParser.new(data: body+"\n", params: {referer: title}).to_html.html_safe
rescue => e
# try the following with line breaks: === one === == two == = three =
content_tag :span, class: 'alert alert-error' do
I18n.t '.wikicloth_exception', :msg => e
end.html_safe
end
def link_to_wikipage(page, text = nil)
if text == nil
link_to page.title, wiki_page_path(:permalink => page.permalink)
else
link_to text, wiki_page_path(:permalink => page.permalink)
end
end
def link_to_wikipage_by_permalink(permalink, text = nil)
unless permalink.blank?
page = Page.find_by_permalink(permalink)
if page.nil?
if text.nil?
link_to permalink, new_page_path(:title => permalink)
else
link_to text, new_page_path(:title => permalink)
end
else
link_to_wikipage(page, text)
end
end
end
def generate_toc(body)
toc = String.new
body.gsub(/^([=]{1,6})\s*(.*?)\s*(\1)/) do
number = $1.length - 1
name = $2
toc << "*" * number + " #{name}\n"
end
unless toc.blank?
FoodsoftWiki::WikiParser.new(data: toc).to_html.gsub(/<li>([^<>\n]*)/) do
name = $1
anchor = name.gsub(/\s/, '_').gsub(/[^a-zA-Z_]/, '')
"<li><a href='##{anchor}'>#{name.truncate(20)}</a>"
end.html_safe
end
end
def parent_pages_to_select(current_page)
unless current_page.homepage? # Homepage is the page trees root!
Page.non_redirected.reject { |p| p == current_page || p.ancestors.include?(current_page) }
else
Array.new
end
end
# return url for all_pages rss feed
def all_pages_rss_url(options={})
token = TokenVerifier.new(['wiki', 'all']).generate
all_pages_url({:format => 'rss', :token => token}.merge(options))
end
end