Added parent-child relationship to pages to visualize a breadcrump and subpages.

app/controllers/pages_controller.rb

@@ -12,7 +12,7 @@ class PagesController < ApplicationController
 
   def show
     @page = Page.find_by_permalink(params[:permalink])
-
+    
     if @page.nil?
       redirect_to new_page_path(:title => params[:permalink])
     elsif @page.redirect?
@@ -24,6 +24,7 @@ class PagesController < ApplicationController
   def new
     @page = Page.new
     @page.title = params[:title].gsub("_", " ") if params[:title]
+    @page.parent = Page.find_by_permalink(params[:parent]) if params[:parent]
 
     respond_to do |format|
       format.html # new.html.erb

app/helpers/application_helper.rb

@@ -95,8 +95,13 @@ module ApplicationHelper
   end
   
   # to set a title for both the h1-tag and the title in the header
-  def title(page_title)
-    content_for(:title) { page_title }
+  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)

app/helpers/pages_helper.rb

@@ -9,10 +9,13 @@ module PagesHelper
 #    end
 #  end
 
-  def wikified_body(body)
-    WikiCloth.new({:data => body, :link_handler => Wikilink.new}).to_html
+  def wikified_body(page)
+    WikiCloth.new({:data => page.body, :link_handler => Wikilink.new, :params => {:referer => page.title}}).to_html
   end
 
+  def link_to_wikipage(page)
+    link_to page.title, "/wiki/#{page.title}"
+  end
 #  def generate_toc(body)
 #    toc = ""
 #    body.gsub(/^([=]{1,6})\s*(.*?)\s*(\1)/) do

app/models/page.rb

@@ -19,6 +19,7 @@ class Page < ActiveRecord::Base
 
   acts_as_versioned :version_column => :lock_version
   self.non_versioned_columns += ['permalink', 'created_at', 'title']
+  acts_as_tree :order => "title"
 
   attr_accessor :old_title # Save title to create redirect page when editing title
 

app/views/layouts/application.haml

@@ -27,7 +27,7 @@
         - if flash[:error]
           %h3.error#flashError= flash[:error]
         #loader{:style => "display:none;"}= image_tag("loader.gif", :border => 0)
-        - if yield(:title)
+        - if show_title?
           %h1= yield(:title)
         = yield
 

app/views/pages/_body.html.haml

@@ -1,4 +1,4 @@
-- content = wikified_body @page.body
+- content = wikified_body @page
 //#toc
 //%h2 Inhaltsverzeichnis
 //= generate_toc @page.body

app/views/pages/_form.html.haml

@@ -21,8 +21,9 @@
 - form_for @page do |f|
   = f.error_messages
   = f.hidden_field :lock_version
+  = f.hidden_field :parent_id
   %p
-    %b Title
+    %b Titel
     %br/
     = f.text_field :title
   %p

app/views/pages/show.html.haml

@@ -1,14 +1,29 @@
-- title @page.title
+- title @page.title, false
 
-#page-versions{:style => "float:right;margin-top:-2%;text-align:right;"}
-  = link_to "Bearbeiten", edit_page_path(@page)
-  = link_to_function "Versionen (#{@page.versions.count})", "Element.toggle('versions')"
-  #versions{:style => "display:none"}
-    %ul
-      - for version in @page.versions.reverse
-        %li
-          = link_to I18n.l(version.updated_at, :format => "%d.%m.%y %H:%M"), version_page_path(@page, :version => version.lock_version)
-          = "(#{User.find(version.updated_by).nick})"
+%h1
+  %span#breadcrump
+    - for page in @page.ancestors.reverse
+      = link_to_wikipage(page)
+      >>
+  = @page.title
+
+#sidebar
+  #page-versions
+    = link_to "Bearbeiten", edit_page_path(@page)
+    = link_to_function "Versionen (#{@page.versions.count})", "Element.toggle('versions')"
+    #versions{:style => "display:none"}
+      %ul
+        - for version in @page.versions.reverse
+          %li
+            = link_to I18n.l(version.updated_at, :format => "%d.%m.%y %H:%M"), version_page_path(@page, :version => version.lock_version)
+            = "(#{User.find(version.updated_by).nick})"
+
+  - unless @page.children.empty?
+    #children
+      %h2 Unterseiten
+      %ul
+        - for page in @page.children
+          %li= link_to_wikipage(page)
 
 = render :partial => 'body'