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Adding custom action in view page of modeladmin


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2 Posts   302 Views

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lozhowlett

Community Member, 146 Posts

11 April 2014 at 11:33pm

I need to extend the grid field list page with a custom button.

Please see attached image, I want to add a "Delete All" records button in my ModelAdmin extension of products, that I can control by VendorID (A product has a vendor). So that when vendors are logged in they can select delete all and upload a new set of products.

I cant use replace data on the import CSV, becuase it will replace all vendors. So i have disabled that and instead want to create a custom button that will only delete their products.

Thanks!

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Phat

Community Member, 8 Posts

7 May 2014 at 12:43pm

First, you need to create a custom GridFieldComponent for 'Delete All' button - something like below

class GridFieldDeleteAllButton implements GridField_HTMLProvider, GridField_ActionProvider {
   protected $targetFragment;

   public function __construct($targetFragment = "before") {
      $this->targetFragment = $targetFragment;
   }

   public function getHTMLFragments($gridField) {
      $button = new GridField_FormAction(
         $gridField,
         'deleteall',
         _t('TableListField.DELETEALL', 'Delete All'),
         'deleteall',
         null
      );
      $button->setAttribute('data-icon', 'cross-circle');
      $button->addExtraClass('no-ajax');
      return array(
         $this->targetFragment => '<p class="grid-csv-button">' . $button->Field() . '</p>',
      );
   }

   public function getActions($gridField) {
      return array('deleteall');
   }

   public function handleAction(GridField $gridField, $actionName, $arguments, $data) {
      if($actionName == 'deleteall') {
         return $this->handleDeleteAll($gridField);
      }
   }

   public function handleDeleteAll($gridField, $request = null) {
      //Add your own DELETE logic here !
      $items=$gridField->getList();
      foreach ($items as $item) {
         $item->delete();
      }
      Controller::curr()->redirectBack();
   }
}

You then can add this new component to your gridfield under your ModelAdmin extension

public function updateEditForm(&$form) {
$gridField = $form->Fields()->fieldByName($this->sanitiseClassName($this->owner->modelClass));
$gridField->getConfig()->addComponent(new GridFieldDeleteAllButton('before'));
}