gistfile1.txt

<?php
class ServicePage extends Page {

	private static $db = array(
	);

	private static $has_many = array(
		'ServiceIcon' => 'ServiceIcn'
	);

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

		$config = GridFieldConfig_RecordEditor::create();

		$fields->addFieldToTab('Root.Main', 
			GridField::create('ServiceIcon', 'Manage Service Icons', $this->ServiceIcon(), $config)
		, 'Metadata');

		return $fields;
	}
}
class ServicePage_Controller extends Page_Controller {

}


class ServiceIcn extends DataObject {
	static $db = array(
		'Color' => 'Text',
		'Description' => 'HTMLText',
	);

	static $has_one = array(
		'HomePage' => 'HomePage',
		'Image' => 'Image'
	);

	static $summary_fields = array(
		'Color',
		'Thumbnail'
	);

	function Thumbnail(){
		return $this->Image()->CroppedImage(80, 80);
	}

	static $singular_name = "Service Icon";
	static $plural_name = "Service Icons";

	function getCMSFields() {
		$fields = FieldList::create(TabSet::create('Root'));

		$fields->addFieldsToTab('Root.Main', array(
			UploadField::create('Image'),
			TextField::create('Title'),
			HtmlEditorField::create('Description')
		));

		return $fields;
	}
}