Fallback or Custom system?

Fallback or Custom system?

Hello,
For one of my systems which uses Joomshopping, I have heavily customized some files such as com_shopping/pdf/Order.php (among others) and my question is simply: is there a way to activate an override or fallback option so that this file is not overwritten each time an update is published? In other words could I possibly use something like templates/xxx/com_jshopping/pdf/Order.php?
Since I've never tried it, I wonder if it's possible.
Thx and cheers from Paris
Philippe

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Aw: Fallback or Custom system?

Yes.
Example.
create
com_shopping/pdf/Order2.php

create:
components\com_jshopping\config\user_config.php

<?php
$config->file_generete_pdf_order = '\\Joomla\\Component\\Jshopping\\Site\\Pdf\\Order2';

Aw: Fallback or Custom system?

Perfect!
Thanks much.
Philippe

Aw: Fallback or Custom system?

One more quick question though:
Does this apply to all com_jshopping files like orderemail or else?
If I understand well, the idea is to add to $config the name of the procedure/function, right?
Thks again
Philippe

Aw: Fallback or Custom system?

1. create copy
com_shopping/pdf/Order.php
to
com_shopping/pdf/Order2.php

2.create:
components\com_jshopping\config\user_config.php

Add code:
<?php
$config->file_generete_pdf_order = '\\Joomla\\Component\\Jshopping\\Site\\Pdf\\Order2';

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Aw: Fallback or Custom system?

Yes, I got that but I think I did not make myself clear enough :

If I want to customize also for instance mod_jshopping/cart/tmpl/default.php, do I need to add
$config->xxxxxxx = '\\Joomla\\Modules\\mod_jshoppingcart\\tmpl\\default';
and if yes what should xxxxxxx be since there is no callable procedure/function in this file...

Thx

Aw: Fallback or Custom system?

Works only for Order.

For module - use default joomla override

example:
\templates\cassiopeia\html\mod_jshoping_cart

Aw: Fallback or Custom system?

OK thanks.