Categories and brands
I have a product catalog that I would like to categorise into different categories (and subcategories). I would also like to have a grouping of the products by brands (which of course are orthogonal to the categories). The ideal thing is that a customer can search for... read more
Pass multiple sets of variables to theme function
If I want to loop through multiple sets of theme variables in my custom theme template, how do I define them in my theme function and pass them to hook_theme? For instance, in my case, I’m generating an email body to send via drupal_mail(), and the body will... read more
Set translated field
I’m having some trouble finding how to handle field translations in the documentation. I have a requirement to keep certain fields in English and Japanese. I periodically have to update nodes and taxonomy terms programmatically. I’m doing this with a... read more
Checkboxes, Radios, ‘select or other’ wont render inside table select element
I want to render elements of type checkboxes or radios inside tableselect, but what I get are empty html tags. Textfield and select type elements render fine. Basically this renders fine. $tableSelectTesting = array( ‘#type’ => ‘select’,... read more
Enable CKeditor on Webform’s textarea
I’m trying to create a contact form supporting HTML formatting with Webform and CKEditor. So I created a new webform with a single field of type Textarea and now I have a simple webform with the basic textarea. How can I enable rich text formatting on this form?... read more
Remove entities programmatically from view results before pager is generated
I want to remove certain entities from the view results (Views core module), before the view’s pager is generated. By now I am doing it in hook_views_post_execute(). The problem here is, that the number of results on the view pages is different then. There... read more
Drupal database not found after running update.php
after installing a module I run update.php and then click take me to front page or take me to admin pages the page takes a while to load and eventually gives me the following error: PDOException: SQLSTATE[HY000] [2002] No route to host in lock_may_be_available() (line... read more
How to disable a file upload button for anonymous users?
I’ve created a commerce add to cart form with a file upload field. The user can use this to upload a logo but I don’t want anonymous users to be able to do this. I can see that the file module uses ajax to handle the upload but I can’t see how you... read more
Change field settings for text field from plain to formatted while data exists
anyone know of a quick example of how to change the field settings for a text area (plain) to formatted and set the input formatter (or maybe it will use default)? Will this require a resave of all the data or can it just be changed for the entity type? I currently... read more
How to hide the submit button on a node add/edit form page within which a entity reference select list has no valid option?
Registration content type has a required entity reference field. The widget of this field is a select list, the options are populated with a views entity reference display output. I want to hide(unset) the submit button if the views entity reference display returns no... read more
InvalidArgumentException… Class not Found in Custom Module
Here is the simplified error: InvalidArgumentException: Class “DrupalprepcartControllerPrepCartController” does not exist. in DrupalCoreDependencyInjectionClassResolver->getInstanceFromDefinition() (line 24 of... read more
Multiple domains with a language each
We’ve setup that english language points to an english domain, and for spanish we have a language. The spanish one is simply a symlink to the english code base. When translating nodes, I am being redirected to the Spanish domain when changing a spanish node, and... read more
Trying to pass id to the ajax callback function, keeps overwriting, how to solve this?
I created a form which have a lot of images and a delete button on every each one of them. I used ajax to create a callback function which would delete the image. Here is part of my form: foreach($result as $key=>$some){... read more
CKEditor table td style not showing in frontend
I use CKEditor (WISYWYG editor) to edit text and HTML for my Drupal project. I want to edit an HTML table and try to horizontally align text in a table cell <td> to the right. My steps: select the text in the table cell right+click > Cell > Cell properties... read more
How to use drupal_add_library with a module?
I’m new to Drupal and don’t really understand how to set up drupal_add_library. I’ve made a simple module that links out to a .js file. However, this .js file depends on a couple of generic functions. I’ve put this generic functions in a... read more
How do I add a meta tag in inside the <head> tag?
How can I add the following meta tag inside the <head> tag? <meta http-equiv="X-UA-Compatible" content="IE=edge" /> I am trying to add it to a Drupal 8 site. read more
Accessing Content: Path field within views_view_unformatted TWIG template
I have a view that has the fields: Content: ID, Content: Title and Content: Path. In my views-view-module.html.twig file I can access the fields via the following: {{ item[‘#row’]._entity.id }} {{ item[‘#row’]._entity.title[0].value }} But I... read more
How do I find services?
What is the best way to find right service for dependency injection? Googling is not efficient yet. For example I spent quite long time figuring out that if I need current request passed to constructor by DI I have too use:... read more
Action links available options / caching
I have some action links defined in module.links.actions.yml which uses a custom “create entity” route. For entity creation I set up some restrictions and at some point the access is denied. The problem is that whilst the access to the page is denied, the... read more