82 lines
2.4 KiB
Ruby
82 lines
2.4 KiB
Ruby
module PagesHelper
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include WikiCloth
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def rss_meta_tag
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tag('link', :rel => "alternate", :type => "application/rss+xml", :title => "RSS", :href => all_pages_rss_url).html_safe
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end
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def wikified_body(body, title = nil)
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WikiCloth.new(:data => body+"\n",
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:link_handler => Wikilink.new,
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:params => {:referer => title})
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.to_html(wikicloth_render_options)
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.html_safe
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rescue => e
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"<span class='alert alert-error'>#{t('.wikicloth_exception', :msg => e)}</span>".html_safe # try the following with line breaks: === one === == two == = three =
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end
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def link_to_wikipage(page, text = nil)
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if text == nil
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link_to page.title, wiki_page_path(:permalink => page.permalink)
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else
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link_to text, wiki_page_path(:permalink => page.permalink)
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end
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end
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def link_to_wikipage_by_permalink(permalink, text = nil)
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unless permalink.blank?
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page = Page.find_by_permalink(permalink)
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if page.nil?
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if text.nil?
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link_to permalink, new_page_path(:title => permalink)
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else
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link_to text, new_page_path(:title => permalink)
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end
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else
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link_to_wikipage(page, text)
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end
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end
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end
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def generate_toc(body)
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toc = String.new
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body.gsub(/^([=]{1,6})\s*(.*?)\s*(\1)/) do
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number = $1.length - 1
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name = $2
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toc << "*" * number + " #{name}\n"
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end
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unless toc.blank?
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WikiCloth.new(:data => toc,
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:link_handler => Wikilink.new)
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.to_html(wikicloth_render_options)
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.gsub(/<li>([^<>\n]*)/) do
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name = $1
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anchor = name.gsub(/\s/, '_').gsub(/[^a-zA-Z_]/, '')
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"<li><a href='##{anchor}'>#{name.truncate(20)}</a>"
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end.html_safe
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end
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end
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def parent_pages_to_select(current_page)
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unless current_page.homepage? # Homepage is the page trees root!
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Page.non_redirected.reject { |p| p == current_page || p.ancestors.include?(current_page) }
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else
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Array.new
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end
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end
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# return url for all_pages rss feed
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def all_pages_rss_url(options={})
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token = TokenVerifier.new(['wiki', 'all']).generate
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all_pages_url({:format => 'rss', :token => token}.merge(options))
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end
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private
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def wikicloth_render_options
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{:locale => I18n.locale} # workaround for wikicloth 0.8.0 https://github.com/nricciar/wikicloth/pull/59
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end
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end
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