radius parser for multilingual - dev.rake

app/controllers/admin/pages_controller.rb

@@ -18,13 +18,14 @@ class Admin::PagesController < ApplicationController
 
   def edit
     @page = Page.find(params[:id])
+    @page.content = parse_content(@page.content, {:locale => 'show'})
     @i18n_variable = @page.i18n_variable
     session[:last_page] = get_go_back || admin_items_url
   end
 
   def create
     @page = Page.new(params[:page])
-
+    @page.content = parse_content(@page.content, {:locale => 'create'})
     if @page.save
       flash[:notice] = t('admin.create_success_page')
       redirect_to admin_items_url( :parent_id => @page.parent_id )
@@ -35,7 +36,10 @@ class Admin::PagesController < ApplicationController
 
   def update
     @page = Page.find(params[:id])
+    parse_content(@page.content, {:locale => 'destroy'})
     if @page.update_attributes(params[:page])
+      @page.content = parse_content(@page.content, {:locale => 'create'})
+      @page.save!
       flash[:notice] = t('admin.update_success_page')
       redirect_to admin_items_url( :parent_id => @page.parent_id )
     else

app/controllers/application_controller.rb

@@ -1,6 +1,8 @@
 class ApplicationController < ActionController::Base
   protect_from_forgery
   
+  include Parser
+  
   helper :all
   before_filter :set_locale, :set_site 
   
@@ -36,41 +38,10 @@ class ApplicationController < ActionController::Base
     redirect_to root_url unless current_user.admin?
   end
   
-  # Parse and render the pages with Radius
+  # Render the page
   def render_page
     if @page
-      @layout = @page.layout
-      @page_content = @page.content
-      @layout_content = (@page.layout)? @layout.content : "<r:content />"
-      
-      
-      context = Radius::Context.new do |c|
-        c.define_tag 'content' do |tag|
-          @page_content
-        end
-        c.define_tag 'snippet' do |tag|
-          snippet = Snippet.first(:conditions => {:name => tag.attr['name']})
-          if snippet
-            snippet.content
-          else
-            t('nothing')
-          end
-        end
-        c.define_tag 'language_bar' do
-          @site_in_use_locales.map{ |locale|
-            lang = I18nVariable.first(:conditions => {:key => locale})[locale]
-            if I18n.locale.to_s.eql?(locale)
-              lang
-            else
-              "<a href='?locale=#{locale}'>#{lang}</a>"
-            end
-          }.join(' | ')
-        end
-      end
-
-      parser = Radius::Parser.new(context, :tag_prefix => 'r')      
-      
-      render :text => parser.parse(@layout_content)
+      render :text => parse_page(@page)
     else
       render :text => '404 Not Found'
     end
@@ -97,10 +68,10 @@ class ApplicationController < ActionController::Base
   # Set the site variables
   def set_site
     # set site if exist or create site
-    site = Site.first || Site.create({:valid_locales => [], :in_use_locales => []})
-    session[:site] = site.id
-    @site_in_use_locales = site.in_use_locales
-    @site_valid_locales = site.valid_locales
+    @site = Site.first || Site.create({:valid_locales => [], :in_use_locales => []})
+    session[:site] = @site.id
+    @site_in_use_locales = @site.in_use_locales
+    @site_valid_locales = @site.valid_locales
   end
 
 end

app/models/parser.rb

@@ -0,0 +1,73 @@
+module Parser
+  
+  def parser_context(page_content, attributes = {})
+    Radius::Context.new do |c|
+      c.define_tag 'content' do |tag|
+        page_content
+      end
+      c.define_tag 'snippet' do |tag|
+        snippet = Snippet.first(:conditions => {:name => tag.attr['name']})
+        if snippet
+          snippet.content
+        else
+          t('nothing')
+        end
+      end
+      c.define_tag 'language_bar' do
+        @site.in_use_locales.map{ |locale|
+          lang = I18nVariable.first(:conditions => {:key => locale})[locale]
+          if I18n.locale.to_s.eql?(locale)
+            lang
+          else
+            "<a href='?locale=#{locale}'>#{lang}</a>"
+          end
+        }.join(' | ')
+      end
+      c.define_tag 'locale' do |tag|
+        case attributes[:locale]
+          when 'create'
+            var = I18nVariable.new(:key => (tag.attr['name'] rescue nil), :document_class => 'Text')
+            @site.valid_locales.each do |locale|
+              var[locale] = tag.attr[locale] rescue nil
+            end
+            var.save!
+            res = ''
+            res << "<r:locale id='#{var.id}' " 
+            res << "name='#{var.key}' " if var.key
+            @site.valid_locales.each do |locale|
+              res << "#{locale}='#{var[locale]}' "
+            end
+            res << '/>'
+          when 'show'
+            var = I18nVariable.find(tag.attr['id'])
+            res = ''
+            res << "<r:locale " 
+            res << "name='#{var.key}' " if var.key
+            @site.valid_locales.each do |locale|
+              res << "#{locale}='#{var[locale]}' "
+            end
+            res << '/>'
+          when 'destroy'
+            var = I18nVariable.find(tag.attr['id'])
+            var.destroy
+          else
+            tag.attr[I18n.locale.to_s] rescue nil
+        end
+      end
+    end
+  end
+  
+  def parse_content(page_content, attributes = {})
+    context = parser_context(page_content, attributes)
+    parser = Radius::Parser.new(context, :tag_prefix => 'r')
+    parser.parse(page_content)
+  end
+  
+  def parse_page(page)
+    layout_content = (page.layout)? page.layout.content : "<r:content />"  
+    context = parser_context(page.content)
+    parser = Radius::Parser.new(context, :tag_prefix => 'r')
+    parser.parse(parser.parse(layout_content))
+  end
+
+end