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I need to override one function from the following file: Mage/Adminhtml/Block/Widget/Grid/Massaction/Abstract.php

The function that needs to be overriden is getJavaScript().

I have tried at least three different solutions from SE, however, none of them seemed to produce any outcome.

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  • please share your code
    – Piyush
    Jan 3, 2017 at 15:17

3 Answers 3

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Abstract class cannot be override in magento.

If you want to change the code in Abstract class, There will be a solution that

Copy your file to local codePool.

Just copy

app/code/core/Mage/Adminhtml/Block/Widget/Grid/Massaction/Abstract.php

to

app/code/local/Mage/Adminhtml/Block/Widget/Grid/Massaction/Abstract.php

and make changes at that local file

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You can't rewrite an abstract class because is not instantiated. The rewrite system works because Magento uses a factory pattern to instantiate model, blocks, and helpers

The solution is you should to override and not rewrite so you copy the file from a core to local codepool.

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Copy this file from core/Mage/Adminhtml/Block/Widget/Grid/Massaction/Abstract.php to local/Mage/Adminhtml/Block/Widget/Grid/Massaction/Abstract.php and edit the function in the local copy.

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