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DataObjectManager Module /

Discuss the DataObjectManager module, and the related ImageGallery module.

Moderators: martimiz, UncleCheese, Sean, Ed, biapar, Willr, Ingo, swaiba

ImageDataObjectManager showing all photos on every page

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4 Posts   2043 Views


Community Member, 191 Posts

8 February 2010 at 4:44pm

I have an odd gallery implementation, so I've decided to use the ImageDataObjectManager.

I've added it to Page.php so I could have a separate gallery for each page. It seems to be working when I look at the CMS (it's only showing the images I've uploaded for that specific page). But when viewing the site, every page is outputting all photos that were added no matter what page they were uploaded to.



class GalleryPhoto extends DataObject {
	static $db = array (
		'Category' => 'Varchar',
		'PhotoCredit' => 'Varchar(200)'

	static $has_one = array (
		'Attachment' => 'File',
		'Page' => 'Page'

	public function getCMSFields_forPopup()
		return new FieldSet(
			new TextField('Category'),
			new TextField('PhotoCredit'),
			new FileIFrameField('Attachment')



static $has_many = array (
	'PhotoGallery' => 'GalleryPhoto'
function Lightbox() {		
	return DataObject::get('GalleryPhoto');

<% control Lightbox %>
<% end_control %>


Community Member, 288 Posts

9 February 2010 at 1:45am

The problem is your Lightbox getter method.
Since you're doing return DataObject::get('GalleryPhoto'); without any where clause you will get all the gallery photos back.
If all you want is to get the Gallery photos related to the current page then you don't need to write your own method.

Just write this in your template instead.

<% control PhotoGallery %>
<% end_control %>


Forum Moderator, 4102 Posts

9 February 2010 at 3:12am

If you're going to use a DOM to manage relationships on subclasses, you need to set its parent class. Think about it -- you're passing $this as the controller, so on the class PageSubclass, the DOM will try to set the PageSubclassID for that object, when in fact, it should be a PageID.



Community Member, 191 Posts

10 February 2010 at 7:54am

I first tried using the source name (PhotoGallery) instead of the source class, and that seemed to do the trick.

Thank you both!