Move plugins to separate directory.

plugins/wiki/app/helpers/pages_helper.rb

@@ -0,0 +1,82 @@
+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)
+    WikiCloth.new(:data => body+"\n",
+                  :link_handler => Wikilink.new,
+                  :params => {:referer => title})
+                  .to_html(wikicloth_render_options)
+                  .html_safe
+  rescue => e
+    "<span class='alert alert-error'>#{t('.wikicloth_exception', :msg => e)}</span>".html_safe # try the following with line breaks: === one === == two == = three =
+  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?
+      WikiCloth.new(:data => toc,
+                    :link_handler => Wikilink.new)
+                    .to_html(wikicloth_render_options)
+                    .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 or 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
+
+  private
+
+  def wikicloth_render_options
+    {:locale => I18n.locale} # workaround for wikicloth 0.8.0 https://github.com/nricciar/wikicloth/pull/59
+  end
+end