added dynamic_snippets

lib/extensions/application_helper_extensions.rb

@@ -0,0 +1,53 @@
+module Extensions
+  module ApplicationHelper
+
+    def self.included(base)
+      base.class_eval do
+
+        ##
+        # Accessor method to get a page part from a page.
+        # Example:
+        #
+        #    content_of(Page.first, :body)
+        #
+        # Will return the body page part of the first page wrap with its
+        # attached snippets.
+        def content_of(page, part_title, yield_body=nil)
+          part = page.parts.detect do |part|
+            part.title.present? and #protecting against the problem that occurs when have nil title
+            title(part.title) == part_title
+          end
+
+          if part
+            content = ""
+            content += part.snippets.before.map{|snippet| render_snippet(snippet)}.join
+            content += part.body if part.body.present? and !yield_body.present?
+            content += yield_body if yield_body.present?
+            content += part.snippets.after.map{|snippet| render_snippet(snippet)}.join
+          end
+        end
+
+        private
+
+        def title(title)
+          case (title_symbol = title.to_s.gsub(/\ /, '').underscore.to_sym)
+            when :body then :body_content_left
+            when :side_body then :body_content_right
+            else title_symbol
+          end
+        end
+
+        def render_snippet(snippet)
+          title_slug = snippet.title.to_s.gsub(/\s/, "_").gsub(/[^-\w]/, "").downcase
+          begin
+            render :partial => "snippets/#{title_slug}"
+          rescue ActionView::MissingTemplate
+            snippet.try(:body)
+          end
+        end
+
+      end
+    end
+
+  end
+end

lib/refinerycms-snippets.rb

@@ -6,7 +6,7 @@ class Engine < Rails::Engine
 
       config.before_initialize do
         require 'extensions/page_extensions'
-        require 'extensions/pages_helper_extensions'
+        require 'extensions/application_helper_extensions'
       end
 
       initializer "static assets" do |app|
@@ -19,7 +19,7 @@ class Engine < Rails::Engine
           has_many :snippets, :through => :snippet_page_parts, :order => 'position ASC'
         end
         Page.send :include, Extensions::Page
-        PagesHelper.send :include, Extensions::PagesHelper
+        ApplicationHelper.send :include, Extensions::ApplicationHelper
       end
 
       config.after_initialize do

readme.md

@@ -15,13 +15,13 @@ Snippets allows you to relate one or more html blocks to any page in Refinery. T
 * Save and Continue button -- done
 * Attaching snippet to page part directly through administration, without overriding view template -- done
 * Documentation
-* Tests 
+* Tests
 
 ### to 2.0
 * custom attributes for snippet (id, classes etc)
 * support for dynamic snippets (erb templates, forms etc)
-* improve UI 
-* inheritance and clone 
+* improve UI
+* inheritance and clone
 
 ## Install
 
@@ -38,8 +38,9 @@ Next run
 ## Usage
 
 * Create Snippet on /refinery/snippets
-* Now you can attach snippet to page when you click Edit this page on `/refinery/pages`. In the Snippets tab you can select the part to which you want to attach the block and add it after and/or before the html body of the part.  
-* Next you can use content_of(@page, :part) to print the body of the part and the snippets attached to it in the pages views.
+* Now you can attach snippet to page when you click Edit this page on `/refinery/pages`. In the Snippets tab you can select the part to which you want to attach the block and add it after and/or before the html body of the part.
+* Next you can use content_of(@page, :part) or to print the body of the part and the snippets attached to it in the pages views.
+* You can also use content_of(@page, :part, yield(:part)) for it to work with other engines such as blog and news
 * You have some other interesting methods to work with snippets:
   * page.snippets: returns all the snippets attached to all the parts of page.
   * part.after: returns all the snippets attached after the html body of part.

spec/helpers/pages_helper_spec.rb → spec/helpers/application_helper_spec.rb

@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe PagesHelper do
+describe ApplicationHelper do
 
   before(:each) do
     @page = Page.create!(:title => 'Page title')
@@ -22,4 +22,24 @@
     Proc.new {content_of(@page, :part)}.should_not raise_exception
   end
 
+  it "should return template if snippet template exists" do
+    should_receive(:render).with({:partial=>"snippets/before_title"}).and_return('TEMPLATE')
+    render_snippet(@snippet_before).should == 'TEMPLATE'
+  end
+
+  it "should return body if snippet template doesn't exist" do
+    should_receive(:render).with({:partial=>"snippets/before_title"}).and_raise(ActionView::MissingTemplate.new([], nil, nil, nil))
+    render_snippet(@snippet_before).should == 'BEFORE BODY'
+  end
+
+  it "should return nil if snippet body and template don't exist" do
+    @snippet_before.update_attribute(:body, nil)
+    should_receive(:render).with({:partial=>"snippets/before_title"}).and_raise(ActionView::MissingTemplate.new([], nil, nil, nil))
+    render_snippet(@snippet_before).should be_nil
+  end
+
+  it 'should return title' do
+    title(@part.title).should == :part
+  end
+
 end