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copied!<p>I took a look in the class loading, and it doesn't look like there is a clean solution. The relevant classname loading code is this:</p> <pre><code> if (isset($this->_classNameCache[$groupRootNode][$group][$class])) { return $this->_classNameCache[$groupRootNode][$group][$class]; } ... if (isset($config->rewrite->$class)) { $className = (string)$config->rewrite->$class; </code></pre> <p>So it looks like there is no such thing as a rewritten-rewrite. The one that gets put into the configuration array is the one that gets loaded, and once cached it simply gets returned as requested. I don't see an easy way to hack the cache, either. You could try to get precedence for your module (by renaming it alphabetically, I assume), but that's a total hack and likely to fail mysteriously later on. That kills the config possibilities.</p> <p>Also obnoxious: it looks like Magento only requests that grid in two places, within <code>Mage_Adminhtml_Block_Catalog_Product</code> (which you can easily override), but also in <code>Mage_Adminhtml_Catalog_ProductController</code> (d'oh!). Depending on your use case, consider overriding the catalog product block and replacing the <code>_prepareLayout()</code> function with your own. If you want to override the controller as well, you'll want to create your own controller (which descends from <code>Mage_Adminhtml_Catalog_ProductController</code>) and define a rewrite within your configuration to direct <code>admin/catalog/product/grid</code> to your action. A pain, but at least accomplishes your goal.</p> <p>Hope that helps,</p> <p>Joe</p>

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