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SilverStripe Forums » General Questions » ModelAdmin with Subsite?!

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  • SSadmin
    Community Member
    90 Posts

    ModelAdmin with Subsite?! Link to this post

    Hey, guys

    Currently, i am working on a project that requires using subsite moudel and modeladmin.

    I just wonder is that possible to only see the current subsite data in module admin tab.

    The logic is:
    one subsite admin(not global admin) login to their own subsite, and click on MyModelAdmin Tab on the top CMS navigation, then it will be able to generate the data of managed_models with in current Subsite.

    I have looked in ModelAdmin.php, but not sure how could i add the subsite restriction code in?!
    Any ideas?

    Thanks in advanced.


  • dacar
    Community Member
    168 Posts

    Re: ModelAdmin with Subsite?! Link to this post

    Same here, has anybody a solution for that?

  • swaiba
    Forum Moderator
    1784 Posts

    Re: ModelAdmin with Subsite?! Link to this post


    I don't have an out of the box solution, however I'd advise that you do something akin to translatable.

    1) decorate all your dataobjects to have the (hidden) field for the relevant subsite
    2) agument all SQL to get those relevant to the current subsite
    3) do somethign like https://github.com/silverstripe-labs/silverstripe-translatablemodeladmin to the Model admin

    Hope this helps

  • Adrexia
    3 Posts

    Re: ModelAdmin with Subsite?! Link to this post

    This works for me:

    On the model(s)

    private static $has_one = array(


    public function getCMSFields() {
          $fields = parent::getCMSFields();
          $fields->push(new HiddenField('SubsiteID','SubsiteID', Subsite::currentSubsiteID()));
          return $fields;

    On the ModelAdmin:

    public function getEditForm($id = null, $fields = null){
          $form = parent::getEditForm($id, $fields);
          $gridField = $form->Fields()->fieldByName($this->sanitiseClassName($this->modelClass));
          $list = $gridField->getList()->filter(array('SubsiteID'=>Subsite::currentSubsiteID()));

          return $form;

    There might be edge cases I haven't tested for though. And it should probably check for the existence of subsites.

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