1 files changed, 84 insertions, 0 deletions
diff --git a/app/helpers/navigation_helper.rb b/app/helpers/navigation_helper.rb
new file mode 100644
index 0000000..8582391
--- /dev/null
+++ b/app/helpers/navigation_helper.rb
@@ -0,0 +1,84 @@
+module NavigationHelper
+
+  def has_side_column?
+    second_level_children_count = Menu.menu.submenu(current_page_path.first).try(:size)
+    if second_level_children_count.nil?
+      false
+    else
+      second_level_children_count > 1
+    end
+  end
+
+  def top_level_navigation_links
+    haml do
+      first = 'first'
+      Menu.menu.each do |item|
+        active = current_page_path.first == item.name ? 'active' : ''
+        haml 'li.tab', :class => first do
+          haml 'a.tab', I18n.t('pages.' + item.name), :href => menu_item_path(item), :class => active
+        end
+        first = ''
+      end
+    end
+  end
+
+  def side_column_navigation_links
+    if menu = Menu.menu.submenu(current_page_path.first)
+      haml do
+        haml 'ul.nav.nav-tabs.nav-stacked' do
+          display_menu(menu, 1)
+        end
+      end
+    end
+  end
+
+  def act_as(page)
+    page = StaticPage.find(page)
+    @current_page_path = page.path
+    render_page(page)
+  end
+
+  private
+
+  def menu_item_path(item)
+    "/#{I18n.locale}/#{item.path.join('/')}"
+  end
+
+  def display_menu(menu, level=0)
+    menu.each do |item|
+      haml 'li', :class => path_active(current_page_path, item) do
+        haml 'a', I18n.t('pages.'+item.name), :href => menu_item_path(item), :class => "level#{level}"
+      end
+      display_menu(item.submenu, level+1)
+    end
+  end
+
+  def path_active(page_path, menu_item)
+    array_starts_with(page_path, menu_item.path) ? 'active' : ''
+  end
+
+  def current_page_path
+    @current_page_path ||= begin
+      if @page
+        @page.path
+      elsif params[:page].is_a? String
+        params[:page].split('/')
+      else
+        []
+      end
+    end
+  end
+
+  #
+  # returns true if first part of array_long contains array_short
+  #
+  def array_starts_with(array_long, array_short)
+    array_short.length.times do |i|
+      if array_short[i] != array_long[i]
+        return false
+      end
+    end
+    return true
+  end
+
+end