class SideBarBlock extends DataObject {

static $db = array(
'Header' => 'Text',
    'Content' => 'HTMLText',
);

static $has_one = array (
);

static $belongs_many_many = array(
'TwoColumnPages' => 'TwoColumnPage'
);
   
public function getCMSFields_forPopup()
    {
      return new FieldSet(
         new TextField('Header', 'Block Header'),
         new SimpleHTMLEditorField('Content','Block Content', array (
         'css' => 'mysite/css/side-bar-blocks.css',
            'increaseFontSize' => false,
            'decreaseFontSize' => false,
            'justifyLeft' => false,
            'justifyRight' => false,
            'justifyFull' => false,
            'justifyCenter' => false
         ))
      );
   }

}

class TwoColumnPage extends Page {
   
   static $many_many = array(
      'SideBarBlocks' => 'SideBarBlock'
   );      
   
   public static $db = array(
   );
   
   public static $has_one = array(
   );
   
   public function getCMSFields()
   {
      $fields = parent::getCMSFields();

         $fields->addFieldToTab("Root.Content.Sidebar", new ManyManyDataObjectManager(
            $this,
            'SideBarBlocks',
            'SideBarBlock',
            array('Header' => 'Header'),
            'getCMSFields_forPopup',
            '',
            'SortOrder'
         ));
      
      return $fields;
      
   }
   
}

class TwoColumnPage_Controller extends Page_Controller {

   static $allowed_actions = array('SearchForm');
   
   public function init() {
      parent::init();

      // Note: you should use SS template require tags inside your templates
      // instead of putting Requirements calls here. However these are
      // included so that our older themes still work
      /*Requirements::themedCSS("layout");
      Requirements::themedCSS("typography");
      Requirements::themedCSS("form"); */
   }
   
   /**
    * Site search form
    */
   function SearchForm() {
      $searchText = isset($_REQUEST['Search']) ? $_REQUEST['Search'] : 'Search';
      $fields = new FieldSet(
       new TextField("Search", "", $searchText)
       );
      $actions = new FieldSet(
       new FormAction('results', 'Search')
       );

       return new SearchForm($this, "SearchForm", $fields, $actions);
   }
   
   /**
    * Process and render search results
    */
   function results($data, $form){
       $data = array(
       'Results' => $form->getResults(),
       'Query' => $form->getSearchQuery(),
       'Title' => 'Search Results'
       );

       return $this->customise($data)->renderWith(array('Page_results', 'Page'));
   }
   
}