Hi there,

Since I've now realised that $gridField doesn't use "getCMSFields_forPopup()"*, how can I control my gridField to specify:

1) The upload folder for an image?
2) The title/label of the field(s) that are displayed in the CMS? (so I can can display something like: "Brand Logo (100x50px)" for the logo image field, instead of just "Logo")

Many thanks.

*despite stumbling on an online tutorial that said it did... (http://www.inforbiro.com/blog-eng/silverstripe-gridfield-tutorial/)

ps here is my code:

Data Object (Partner.php)

class Partner extends DataObject {

	// object's fields
	public static $db = array(
		'BrandName' => 'Varchar(255)',
		'OrderBy' => 'Varchar(5)'
	);

	// One-to-one relationships
	public static $has_one = array(
		'Logo' => 'Image',
		'GalleryPic' => 'Image',
		'Partners' => 'Partners'
	);

	// Summary fields
	public static $summary_fields = array(
		'Logo.StripThumbnail' => 'Image',
		'BrandName' => 'BrandName',
		'OrderBy' => 'OrderBy'
	);

	static $default_sort = "OrderBy";

}

And the Holding Page (Partners.php)

	public static $has_many = array(
		'Partners' => 'Partner'
	);


   function getCMSFields() {
   
		$fields = parent::getCMSFields();

		$fields->removeByName("RightColumn");

		$gridFieldConfig1 = GridFieldConfig::create()->addComponents(
			new GridFieldToolbarHeader(),
			new GridFieldAddNewButton('toolbar-header-right'),
			new GridFieldSortableHeader(),
			new GridFieldDataColumns(),
			new GridFieldPaginator(10),
			new GridFieldEditButton(),
			new GridFieldDeleteAction(),
			new GridFieldDetailForm()
		);
		
		$gridField = new GridField("Partners", "Brand Partners:", $this->Partners(), $gridFieldConfig1);
		$fields->addFieldToTab("Root.BrandPartners", $gridField);
			
		return $fields;
   }

GridField, like ComplexTableField, uses the getCMSFields() method on the managed DataObject.

OK, that worked once I figured out how to reference it (just Root.Main). Awesome. Thank you Simon. Much appreciated.

Just in case anyone is wondering:

I added the following code to the data object Partner.php

   function getCMSFields() {
   
		$fields = parent::getCMSFields();

			$uploadField = new UploadField('Logo', 'Brand Logo:'); 
			$uploadField->getValidator()->allowedExtensions = array('jpg', 'gif', 'png');
			$uploadField->setFolderName('assets/BrandPartners');
			$fields->addFieldToTab('Root.Main', $uploadField);
			
		return $fields;
   }
   
}