Questions tagged [forms]
Use it for questions about the Form API. Don't use it for entity or entity field forms.
6,541
questions
0
votes
0answers
20 views
Dynamic Radio options return An illegal choice has been detected. Please contact the site administrator
I am using Drupal Commerce 2 and have created a CheckoutPaneBase for shipping methods that we get from an internal service. I am not using Ajax and when the user adds their shipping address, they go ...
-2
votes
0answers
23 views
How do I show node content of previous node during node creation?
Let's say, we want to collect data on a regular base in a Drupal installation.
On recurring events in the real world, we want to add a new set of data.
So far, I think it should be easy to create a ...
-2
votes
0answers
31 views
retrieve existing form
I designed a form by using drupal UI, and I want to develop some code to precisely manage it (add some fields, hide some others, define values, ...).
I studied a number of answers on this forum, but I ...
0
votes
1answer
20 views
How to set role on the registration form programmatically
I'm trying to create multiple registration forms with a role assigned to each.
It seems that my default value for the role is not keeped, but it works with other fields
Here is my code
$form = $this-&...
0
votes
1answer
35 views
Is it possible to call a custom ajax event after removing a file from a managed_file field?
I have a custom form with a managed_file field element. I'd like to call an ajax event after removing a file (clicking the REMOVE button).
Is there a way to expand the existing ajax callback for the ...
0
votes
0answers
17 views
How can I conditionally override the field description?
I am using the Reference Field Option Limit module in Drupal 7 and I want to change the explanation text that says:
No options are available for the current form values..
I want to put instead:
...
0
votes
0answers
36 views
How can I set a custom form's element after a managed_file ajax callback?
Scenario:
I have a custom form whose first step is to upload a file using a managed_file field element.
Then, after this manged file is uploaded I want to rebuild the form using information from the ...
0
votes
1answer
34 views
Some #states not working for custom field but do work on identical webform field
I'm working on a project where I'm programmatically cherry picking elements from a webform and then creating a custom form with all sorts of alterations and additions to the "cloned" webform ...
0
votes
1answer
23 views
Is it possible to return a form element AND an ajax response from the same ajax callback function?
I have an ajax callback function that needs to return a form element and also an ajax response. Is it possible to do both?
In my callback I need to set and return something like:
$form['fid'] = array(
...
0
votes
0answers
30 views
How can I set a field's #value in a custom Form AJAX function?
I have a managed_file field type that has its own build-in #ajax command and I need to add an additional custom command that will populate a hidden field on the form.
So far I have a custom managed ...
0
votes
0answers
23 views
Modify form (add select option) by another form in Modal
I wonder if Drupal can add an additional segment of data in a form on the fly using another form via Modal.
I have this form in a table.
City | Description | Active
New york | ...
-1
votes
1answer
48 views
How to let the user fill in the “Recipient” field of the contact form?
I created a new type of contact form. It is called "Invitation".
The problem is that the recipient field does not appear and it is not editable.
I want the user to fill in the recipient's ...
0
votes
1answer
16 views
How to check if managed_file has uploaded a video and use it in states
I want to disable the submit button in a form for as long as there are no value/uploaded video in a managed_file but I can't seem to find what form name or element property I have to check for in #...
2
votes
1answer
48 views
#ajax on a managed_file custom form field is not working
I have a custom Drupal 8 form using a managed_file field with an #ajax callback but the ajax callback is never called (example below). I assume that it's because the managed file field type is already ...
0
votes
1answer
31 views
How can a description be added to the body field summary widget in node edit form?
On a particular content type I have made summary input required by checking both
"Summary Input" and "Summary required" on the body field settings.
We would like to add a help text ...
-1
votes
1answer
46 views
How to check if dynamic select query returns zero records and return markup
I have a custom Drupal form that is populated with a dynamic query. How do I return an 'alert' if no results are returned? There has to be a better way of doing this than what I have come up with.
...
0
votes
1answer
25 views
Target EntityBrowser in custom validation constraint
Having a custom validation constraint on an entity reference field using entity browser as form widget, I am trying to get the field light up in the form on validation violation. This is not working ...
0
votes
1answer
22 views
How can we make the summary field auto expand on load?
We have an admin page with a summary and body. The summary is auto collapsed but we want it to be automatically expanded on the page load like below in the image.
0
votes
0answers
29 views
Error displaying block created progamatically
I am trying to create a block with a form to display inside the block.
Here is my block
<?php
namespace Drupal\fixx_helper\Plugin\Block;
use Drupal\Core\Access\AccessResult;
use Drupal\Core\Block\...
-3
votes
0answers
47 views
How to automatically flag an entity when the form is submitted?
I created a small custom module in Drupal 8 to moderate new entities and update entities.
The module is simple. It marks with the help of the flag module, the entities created or updated automatically....
0
votes
1answer
25 views
Is there a browser-side validation passed event I can listen for?
Is there a JS event that my own custom code can listen for to determine that client-side / browser validation of a form has passed?
i.e. That no messages like this have occurred: "Please fill in ...
1
vote
1answer
53 views
Ajax form add library on callback
I'm having an AJAX form, which on submit fires a callback function where I want to attach my library.
Here's the submit button:
$form['actions']['submit'] = [
'#type' => 'submit',
'#value' =...
1
vote
1answer
37 views
In hook_form_alter(), how can I access the entity that is being flagged?
In hook_form_alter(), I want to load the entity being flagged so that I can do some processing based on the field values of that entity.
However, I can't find an entity object using kint($form). I ...
1
vote
1answer
127 views
Better code to output a pdf downloaded by the browser
In a submit function of a custom form, I would like to output a pdf which can be downloaded by the user/browser when clicking on 'Get PDF'.
The following code is doing the job only once, because after ...
3
votes
1answer
40 views
Redirect to a specific tab in a page after node submit
I'm working on Drupal 8.9.6.
I'm trying to redirect users to a particular page after they add a node. I can do that without any problem, by adding the following information in the form's URL:
/node/...
0
votes
1answer
57 views
Autocomplete field where title is replaced with NID
I'm using Drupal 7 and I have made autocomplete function to be called on a field.
File my_module.module:
<?php
function my_module_menu() {
$items = array();
$items['/...
0
votes
0answers
26 views
How can you add a tab programmatically in Manage Form Display for a block
The hook: hook_enitity_base_field_info() and BasedFieldDefinitions allows you to create fields for all the custom blocks. Those fields are then used in Manage Form Display. I want to add a field group ...
-3
votes
2answers
68 views
Split custom form into multiple smaller functions for re usability [closed]
I've a created a custom form in custom module. I have couple fields in the form that can be reused to other form.Also as per the coding standards, the function should not be more than 150 lines. So I ...
0
votes
0answers
39 views
If I have 2 same name taxonomy term which is used with nodes. how to set only one instead of both?
I have 2 taxonomy terms with the same name (knight(2) and knight(6)) in my Drupal 8 Project; both terms have been used with nodes.
I want to replace knight(6) with knight(2) in all the nodes. I ...
0
votes
0answers
19 views
Autocomplete submit on selection of suggestion
How to make an autocomplete submit on selection of suggestion for an exposed form in views ?
The scenario is as follows: the user types two letters, the suggestions appear, when he clicks on a ...
0
votes
1answer
57 views
Is there a way to change how a form button looks?
I know how to add a class to a form element and how to add a form submission button, but there are classes that are automatically added to these buttons in my Drupal 8 install.
The form I am editing ...
0
votes
1answer
31 views
How do I get the term name in a custom submit handler?
In Drupal 8/9, when you create a new term, the default status message is:
Created new term %term.
%term contains the term name, which is linked to the term page.
I want to override this and remove ...
1
vote
1answer
54 views
Custom form calls different form in modal, submit/ajax callback of second form not called
I created 2 forms:
dms_gift_voucher/src/Form/GiftVoucherForm.php
...
/**
* {@inheritdoc}
*/
public function buildForm(array $form, FormStateInterface $form_state) {
....
$...
0
votes
0answers
30 views
User own account, cancel account button not showing on edit form
I'm using Drupal 8, on my website I have 2 users roles, both can delete their own data, on role 1 cancel account button show on the edit form in both languages, Portuguese and English(default), but on ...
1
vote
1answer
26 views
How to use Vertical Tabs on ConfigEntity Form
how are you?
I've created a ConfigEntity and there a Configuration Form with Fieldsets and Fields.
Example:
But now I want to change this form to Vertical Tabs, like that:
Do you know how can I do ...
-1
votes
1answer
35 views
Alter Submit button of specific form [closed]
I am new to Drupal and want to alter a submit button of a node-edit form.
So I wrote a basic module to do so. And it also alters the form button of my form with the id=node_hotel_edit_form. But also ...
2
votes
2answers
96 views
Why can't I see <div> tags added to $form in hook_form_FORM_ID_alter?
I want to modify the $form variable in an implementation of hook_form_FORM_ID_alter but can't seem to be able to set the #prefix and #suffix variables on field widget.
/**
* @file
* Implementations ...
1
vote
1answer
22 views
Sending form to mail from custom module fails without error
I've created a module with a form and a block.
When I push the subscribe button, the submitForm function is executed.
The successmessage is shown, but no e-mail is send ...
There are no errors ...
0
votes
1answer
34 views
How do I send a command after submitting a form?
I need to do something when the user submits a form so that it sends a command to the server, :
if($_GET["cmd"]=="save")
Got to do something with the thing above,
I thought of ...
2
votes
2answers
61 views
Changing 2 Elements on Ajax Callback
I have an element $form['elements']['manufacturer']. On change, I want to change $form['elements']['form_factor'] and $form['elements']['model'].
Currently I have:
$form['elements']['manufacturer']['#...
0
votes
0answers
33 views
Checkbox Form Element: Displaying checkboxes value based on on/off
I have a checkbox form element that uses taxonomy terms via variable_get as #default_value; storing the result. I don't want to overwrite value, I just want the form to render/display checked ...
0
votes
1answer
32 views
How can I understand when hook_form_alter() is called?
In Drupal 8, hook_form_alter() is invoked multiple times: at page load, submission, after executing custom submission handlers, and back to form action.
How can I see at which stage hook_form_alter() ...
0
votes
1answer
27 views
Ajax callback on Views exposed form filter
I'm trying to add an #ajax callback method to my views exposed form filter select box.
But it seems the form have some issues with the callback.
My code is pretty simple
/**
* Implements ...
0
votes
0answers
55 views
How can I render a form via javascript without outputting the entire page markup [duplicate]
I'm trying to load a custom form into a div, but when I do, the entire page markup (menu, header, footer, etc) is being output in the div. Is there a way I can only output the form?
This is my ...
0
votes
1answer
53 views
Controller is loading twice after search form is submitted
I created a custom module that I consume an external api. I have also created a custom form (its action points to controller url) which filters the data. However, when I press the search button and ...
0
votes
0answers
64 views
Same form displayed twice on same page
I have the same form displayed twice on the same page. It's the comment form . I put it twice on the same page . when I fill the inputs in the second one and I click on submit . I notice that the ...
3
votes
2answers
122 views
Redirect to webform from controller and back to custom form
I have a use case where I'm creating a custom form, but for business reasons, I need to obtain customer information in a separate webform prior to granting access to my custom form. So my workflow ...
0
votes
0answers
30 views
Trigger login / send login credentials from different subdomain
I have my Drupal 9 living on a subdomain like e. g. drupal.xyz.com. Then I have some marketing-related landingpage stuff at subdomain.xyz.com, which is not Drupal, but another system.
Now I would like ...
4
votes
1answer
135 views
How do I render a form in a div through a javascript call
I'm trying to load a form into a div using a javascript call. I can get the form in the div, but nothing works (autocomplete fields, wysiwyg fields, custom submit handler).
I know I must be missing ...
1
vote
3answers
61 views
Missing form state values after adding submit function
I added a submit function in the form_alter hook when inserting a node:
$form['actions']['save_as_draft'] = [
'#type' => 'submit',
'#value' => t('Save as Draft'),
'#submit' => ['...
