<?php
/**
* This is a standard Product page-type with fields like
* Price, Weight, Model/Author and basic management of
* groups.
*
* It also has an associated Product_OrderItem class,
* an extension of OrderItem, which is the mechanism
* that links this page type class to the rest of the
* eCommerce platform. This means you can add an instance
* of this page type to the shopping cart.
*
* @package ecommerce
*/
class Product extends Page {
   
   public static $db = array(
      'Price' => 'Currency',
      'Weight' => 'Decimal(9,2)',
      'Model' => 'Varchar',
      'FeaturedProduct' => 'Boolean',
      'AllowPurchase' => 'Boolean',
      'InternalItemID' => 'Varchar(30)'
   );
   

   public static $has_many = array(
      'Variations' => 'ProductVariation',
'Resources' => 'Resource',
'ImageAtts' => 'ImageAtt'
   );
   
   public static $many_many = array(
      'ProductGroups' => 'ProductGroup'
   );
   
   public static $belongs_many_many = array();
   
   public static $defaults = array(
      'AllowPurchase' => true
   );
   
   public static $casting = array();
   
   static $default_parent = 'ProductGroup';
   
   static $add_action = 'a Product Page';
   
   static $icon = 'cms/images/treeicons/book';
   
   function getCMSFields() {
      $fields = parent::getCMSFields();

      // Standard product detail fields
      $fields->addFieldsToTab(
         'Root.Content.Main',
         array(
            new TextField('Weight', _t('Product.WEIGHT', 'Weight (kg)'), '', 12),
            new TextField('Price', _t('Product.PRICE', 'Price'), '', 12),
            new TextField('Model', _t('Product.MODEL', 'Model/Author'), '', 50),
            new TextField('InternalItemID', _t('Product.CODE', 'Product Code'), '', 7)
         )
      );

$manager = new FileDataObjectManager(
         $this, // Controller
         'Resources', // Source name
         'Resource', // Source class
         'Attachment', // File name on DataObject
         array(
            'Name' => 'Name',
            'Description' => 'Description',
            'Category' => 'Category'
         ), // Headings
         'getCMSFields_forPopup' // Detail fields (function name or FieldSet object)
         // Filter clause
         // Sort clause
         // Join clause
      );

$fields->addFieldToTab("Root.Content.Resources", $manager);

$imageAtt = new ImageDataObjectManager(
         $this, // Controller
         'ImageAtts', // Source name
         'ImageAtt', // Source class
         'ImageAtt', // File name on DataObject
         array(
            'Name' => 'Name',
            'Description' => 'Description'
         ), // Headings
         'getCMSFields_forPopup' // Detail fields (function name or FieldSet object)
         // Filter clause
         // Sort clause
         // Join clause
      );

$fields->addFieldToTab("Root.Content.Images", $imageAtt);

      // Flags for this product which affect it's behaviour on the site
      $fields->addFieldsToTab(
         'Root.Content.Main',
         array(
            new CheckboxField('FeaturedProduct', _t('Product.FEATURED', 'Featured Product')),
            new CheckboxField('AllowPurchase', _t('Product.ALLOWPURCHASE', 'Allow product to be purchased'), 1)
         )
      );

      $fields->addFieldsToTab(
         'Root.Content.Variations',
         array(
            new HeaderField(_t('Product.VARIATIONSSET', 'This product has the following variations set')),
            new LiteralField('VariationsNote', '<p class="message good">If this product has active variations, the price of the product will be the price of the variation added by the member to the shopping cart.</p>'),
            $this->getVariationsTable()
         )
      );

      $fields->addFieldsToTab(
         'Root.Content.Product Groups',
         array(
            new HeaderField(_t('Product.ALSOAPPEARS', 'This product also appears in the following groups')),
            $this->getProductGroupsTable()
         )
      );
      
      return $fields;
   }
   
   ...

<?php
class ImageAtt extends DataObject
{
   static $db = array (
      'Name' => 'Text',
      'Description' => 'Text'
   );
   
   static $has_one = array (
      'ImageAtt' => 'File',
      'Product' => 'Product'
   );
   
   public function getCMSFields_forPopup()
   {
      return new FieldSet(
         new TextField('Name'),
         new TextareaField('Description'),
         new FileIFrameField('ImageAtt')
      );
   }
}
// EOF