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Hide Extra Fields in the front end

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Deborah
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9 years 1 month ago - 9 years 1 month ago #152098 by Deborah

Hide Extra Fields in the front end was created by Deborah

Hello.
Is there a way to hide some of my Extra Fields in the front end, or set access levels for each field?
I want to store many extra fields in the admin back end, but only have some of them published in the front end.
Is custom css the only way to go?
Thank you!

Last edit: 9 years 1 month ago by Deborah. Reason: additional info

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Krikor Boghossian
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9 years 1 month ago #152108 by Krikor Boghossian

Replied by Krikor Boghossian on topic Hide Extra Fields in the front end

Yes,

You need to override K2's templates
getk2.org/documentation/tutorials/174-templating-with-k2-and-the-concepts-of-sub-templates

Then you should render these fields one by one
github.com/kricore/Advanced-templating-with-K2/blob/master/_inc/cheatsheet.php#L104-L109

And using Joomla!'s user object - docs.joomla.org/Accessing_the_current_user_object
show/ hide the extrafield.

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Deborah
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9 years 1 month ago - 9 years 1 month ago #152111 by Deborah

Replied by Deborah on topic Hide Extra Fields in the front end

Thank you Krikor.
My ability to code is extremely limited however!
I have created a sub-template, as you advised.
I am assuming that the extra field code from the cheatsheet would be added to item.php in that sub-template?

So, how would I make the Extra Field 'old-atlas' hidden from all front end users?

if( isset( $this->item->extraFields->item-name->value ) && ( $this->item->extraFields->item-name->value !== '') ) 
{
	$this->item->extraFields->item-name->name;
	$this->item->extraFields->item-name->value;
}

Thanks for your help.

Last edit: 9 years 1 month ago by Deborah. Reason: typos

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Krikor Boghossian
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9 years 1 month ago #152122 by Krikor Boghossian

Replied by Krikor Boghossian on topic Hide Extra Fields in the front end

Yes, you assumed correctly :)
You need to read the "Determining Status" section of this post.
docs.joomla.org/Accessing_the_current_user_object

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Deborah
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9 years 1 month ago - 9 years 1 month ago #152188 by Deborah

Replied by Deborah on topic Hide Extra Fields in the front end

Hi Krikor.
Thank you for your patience.
I have read the Accessing the current user object
I don't have a very well developed understanding of, or ability to write, php so I was hoping for a little more help please.

If I have an extra field "item_name" that I only want to be visible to "Publishers", for example, how would the github cheatsheet code, the user object code and the extra field code in item.php all go together to achieve this?

UPDATE:
As the User Object seems only to function in determining whether the user is a guest or not, I assume that I will have to make all items visible by using the cheatsheet method for all viewers.
So I am looking at something like the following:

<?php if($this->item->params->get('itemExtraFields') && count($this->item->extra_fields)): ?>
	  <!-- Item extra fields -->
	  <?php $user = JFactory::getUser();
 	if ($user->guest): ?>
<?php 
	if( isset( $this->item->extraFields->EXTRAFIELDALIASHERE->value ) && ( $this->item->extraFields->EXTRAFIELDALIASHERE->value !== '') ) 
	{
		$this->item->extraFields->EXTRAFIELDALIASHERE->name;
		$this->item->extraFields->EXTRAFIELDALIASHERE->value;
	}
?>
<?php else>
<?php 
	if( isset( $this->item->extraFields->EXTRAFIELDALIASHERE->value ) && ( $this->item->extraFields->EXTRAFIELDALIASHERE->value !== '') ) 
	{
		$this->item->extraFields->EXTRAFIELDALIASHERE->name;
		$this->item->extraFields->EXTRAFIELDALIASHERE->value;
	}
?>

Can you help me organise that code so that it works please?

Many thanks

Last edit: 9 years 1 month ago by Deborah. Reason: update

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Krikor Boghossian
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9 years 1 month ago #152306 by Krikor Boghossian

Replied by Krikor Boghossian on topic Hide Extra Fields in the front end

You are halfway there Deby.
The else: ?> typo I think it has already been corrected.

The user's groups can be retrieved like this:

$user_groups = $user->groups;

You can see the ids in the user groups' view.

Then using PHP's in_array() - php.net/manual/en/function.in-array.php - you can check if that user belongs to a certain usergroup.

	if (in_array( GROUP_ID, $user_groups)) {
		echo 'extrafield code here';
	}

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Deborah
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9 years 1 month ago - 9 years 1 month ago #152334 by Deborah

Replied by Deborah on topic Hide Extra Fields in the front end

Thanks again.
I really know very little about php stuff, all the ":? > : ))" makes my eyes roll!
I have, however, managed to cobble something together after hunting around, and finding useful info in
this lively thread from around 2012

No doubt I'll have more questions...

Regards

Last edit: 9 years 1 month ago by Deborah. Reason: link

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Krikor Boghossian
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9 years 1 month ago #152369 by Krikor Boghossian

Replied by Krikor Boghossian on topic Hide Extra Fields in the front end

We 'll be here :)

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