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Provides Versioned DataObjects in SilverStripe

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2.0.5 2017-03-21 21:22 UTC


This module provides an easy to use implementation of SilverStripe's built-in Versioned extension for DataObjects, along with admin components to manage your versioned things.

IMPORTANT: Versioning of DataObjects is built-in to the Versioned extension in SilverStripe 4.x and newer.

Versioned DataObject Example Versioned DataObject Example 2

Installation (with composer)

$ composer require heyday/silverstripe-versioneddataobjects


The VersionedDataObject extension adds the same draft/published versioning used for pages to your own DataObjects, and any subclasses they have. Only fields in the table of a DataObject with this extension will be versioned. Related DataObjects need VersionedDataObject applied separately if required.

class Slice extends DataObject
	private static $db = [
		'Content' => 'Text'

	private static $has_one = [
		'Parent' => 'SiteTree'

	private static $extensions = [

Versioned DataObjects in a GridField

To use VersionedDataObject records in a GridField, GridFieldDetailForm needs to be replaced with VersionedDataObjectDetailsForm:

// ...

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

		new GridField(
			$config = GridFieldConfig_RelationEditor::create()

	$config->addComponent(new Heyday\VersionedDataObjects\VersionedDataObjectDetailsForm());

	return $fields;

// ...

Versioned DataObjects in a ModelAdmin

class SliceAdmin extends Heyday\VersionedDataObjects\VersionedModelAdmin
	private static $menu_title = 'Slices';

	private static $url_segment = 'slice';

	private static $managed_models = [

Cavets / Troubleshooting

SilverStripe's versioning system uses global state to keep track of a "reading mode" that affects which tables records are read from and written to for all uses of the Versioned extension. This works on the front end of a site where you expect to see the currently selected stage, however it also alters what records are visible in the CMS if not adjusted for. The admin components supplied with this module work around this to always show draft records in the CMS.

If you have control over an ORM query, you can alter the behaviour of Versioned with DataQuery parameters to override the global reading mode setting:

	->setDataQueryParam(['Versioned.stage' => 'Stage']);

If you can't modify a query, you can use VersionedReadingMode from this module to change and restore the global reading mode around a piece of code:


// ... code that runs queries


If you suspect you might be seeing an issue from incorrect reading mode, the global reading mode can be changed between live and stage by adding the query string ?stage=Stage or ?stage=Live to the current URL.

BetterButtons compatibility

This module works with unclecheese/betterbuttons version 1.2.8.

Unit testing

None :(


SilverStripe Versioned DataObjects is licensed under an MIT license