Allan Brown » prepopulate http://allanbrown.me Proramming, Magento and me Tue, 19 Jan 2010 21:29:13 +0000 en hourly 1 http://wordpress.org/?v=3.0.1 Define or pre-select products or items in a massaction Magento grid http://allanbrown.me/magento/define-or-pre-select-products-or-items-in-a-massaction-magento-grid/ http://allanbrown.me/magento/define-or-pre-select-products-or-items-in-a-massaction-magento-grid/#comments Tue, 19 Jan 2010 21:27:46 +0000 Allan Brown http://allanbrown.me/?p=42 Recently while building an administration interface for Magento (in adminhtml) I was needing to select products which should be added to a newsletter template (custom module).  The problem is that there is no obvious way to pre-select items or products when using a massaction grid in Magento.  The logic im trying to manipulate is contained in Mage_Adminhtml_Block_Widget_Grid.

The solution is to change (or pre-populate) the getRequest parameters (_POST values) so that the grid thinks that products have been selected on a previous page.  This can be done using the example code below, which should work for Magento massaction grids for products.

$this->getRequest()->setParam('internal_products',implode(',',$productIdArray));

$productIdArray contains a simple array of ids matching products.  Such as array(12,13,14,15)

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