Recently I had performance issues when importing several ten tausend products. The problem was, that I always used the “normal” product entity model to load attribute values. The following snippet shows, how to load product attributes directly instead. Therefore I use the product resource singleton. <?php $iProductId = $aChange[‘pid’]; $oItem = new Varien_Object; /** * […]
To render the text-values of an multiselect in a BE-grid: <?php /** * * Magento * * NOTICE OF LICENSE * * This source file is subject to the Open Software License (OSL 3.0) * It is available through the world-wide-web at this URL: * http://opensource.org/licenses/osl-3.0.php * * * @category AskSheldon * @package AskSheldon_Adminhtml * […]
To return a downloadable file in a controller action, you have to send a file header in controller like that: $fileName = ‘mm_actioncodes_export_’.date(“Ymd_His”).’.csv’; $fp = fopen(Mage::getBaseDir(‘var’) . DS .’export’ . DS . $fileName, ‘w’); fputcsv($fp, $codes, ‘;’, ‘”‘); fclose($fp); $this->_prepareDownloadResponse($fileName, array( ‘type’ => ‘filename’, ‘value’ => Mage::getBaseDir(‘var’) . DS .’export’ . DS . $fileName, //’rm’ => true […]
To show product image previews in Magento Backend, you have to add a image grid column renderer block first: <?php /** * * Magento * * NOTICE OF LICENSE * * This source file is subject to the Open Software License (OSL 3.0) * It is available through the world-wide-web at this URL: * http://opensource.org/licenses/osl-3.0.php […]
The general widget definition for BE form fields in Magento is: <?xml version=”1.0″?> <widgets> <widget_identifier type=”blochtype/like_in_normal_blocks” translate=”name description” module=”modulname”> <name>Widgetname</name> <description>A useful description</description> <is_email_compatible>1</is_email_compatible> <parameters> <!– field definition goes here –> </parameters> </widget_identifier> </widgets> The following snippets show how to define different form fields for the widget form: Template selector: <template translate=”label”> <label>Template</label> <visible>1</visible> <type>select</type> […]
If you need the possibility to let the users delete their own accounts, you can use the following snippet in a corresponding controller or observer to delete users in frontend: <?php $oCustomer = $this->_getSession()->getCustomer(); if(!$oCustomer->getId()){ Mage::throwException($this->__(‘Cannot load customer!’)); } //lie to mage 😉 // @todo: Check, if there is a better way Mage::register(‘isSecureArea’, true); $oCustomer->delete(); $this->_getSession()->clear(); […]
 To add JavaScript or CSS files to the head section of the resulting HTML page, you can add something like this to the _prepareLayout function of a Block class: $headBlock = $this->getLayout()->getBlock(‘head’); $headBlock->addJs(‘somefolder/ask-sheldon.js’); $headBlock->addCss(‘somefolder/ask-sheldon.css’); As you can see, we can use the layout model to get the head block an use its functions to add files. This […]
