addStyleDeclaration() not working in backend - why?

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gba
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addStyleDeclaration() not working in backend - why?

Post by gba » Thu Jan 14, 2021 3:18 pm

Hi all!

In the install.php file of my component I want to add CSS styles for HTML code I am displaying 'onInstall'.
I tried:

Code: Select all

$doc = JFactory::getDocument();
$doc->addStyleDeclaration('...');
I tried also this (is this better btw.?):

Code: Select all

use Joomla\CMS\Factory;
$doc = Factory::getDocument();
$doc->addStyleDeclaration('...');
No style declaration is being added to the <head>, though.
Anyone any idea what is wrong?

Thank you very much in advance for any useful hint!

Kind regards,
Gerald
Last edited by toivo on Thu Jan 14, 2021 3:29 pm, edited 1 time in total.
Reason: mod note: moved from 3.x Extensions
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gba
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Re: addStyleDeclaration() not working in backend - why?

Post by gba » Fri Jan 22, 2021 2:42 pm

Hi!

Is that question so trivial, that noone is answering? ;)
Or is it so difficult/tricky? :(

Kind regards,
Gerald
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gba
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Re: addStyleDeclaration() not working in backend - why?

Post by gba » Thu Apr 08, 2021 1:21 pm

???
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SharkyKZ
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Re: addStyleDeclaration() not working in backend - why?

Post by SharkyKZ » Thu Apr 08, 2021 1:28 pm

What do you mean "onInstall"?
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gba
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Re: addStyleDeclaration() not working in backend - why?

Post by gba » Mon Apr 12, 2021 2:52 pm

Hi!

Thank you for answering.
I mean the

Code: Select all

public function install() { ... }
in the file install.php.
(see https://docs.joomla.org/J3.x:Developing ... cript_file)

Why is no style declaration being added to the <head> of installation page of my extension in the backend?

Kind regards,
Gerald
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gba
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Re: addStyleDeclaration() not working in backend - why?

Post by gba » Thu Oct 14, 2021 9:55 am

Anyone any idea?
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SharkyKZ
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Re: addStyleDeclaration() not working in backend - why?

Post by SharkyKZ » Thu Oct 14, 2021 11:04 am

It doesn't work because install happens on one request and extension description is shown on another.
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gba
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Re: addStyleDeclaration() not working in backend - why?

Post by gba » Thu Oct 14, 2021 6:35 pm

What do you mean?
And how can I then add style declaration to the head of the installation page?
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