Questions tagged [forms]
Use it for questions about the Form API. Don't use it for entity or entity field forms.
6,297
questions
0
votes
0answers
16 views
Menu options missing in node form
In Drupal 8, despite the fact that there is a menu set for the content type, menu options are not showing in the node form.
I have disabled some menu modules in case they were interfering, but with ...
-2
votes
0answers
16 views
Send Data from contact form to drupal [on hold]
i have a contact form in webpage lik this
and i want to send data from this form to website drupal , the question this is possible or not ?
0
votes
0answers
22 views
Pass rendered markup to redirect route
Drupal 8.7.x
I have form that passes the outputted data into a template. This template with the data gets rendered into a string like so:
:
public function submitForm(array &$form, ...
0
votes
1answer
24 views
How to pass rendered form results to page
Drupal 8.7.x
I have a custom form that currently replaces the form with the output of the form like so:
CalculationForm.php
public function submitForm(array &$form, FormStateInterface $...
0
votes
1answer
37 views
+50
Drupal 8 inline Entity Form Ajax Event (Add another item) Message
In Drupal 8 inline entity form is there a "form_alter" or "submit handler" or some type of ajax callback for when a user clicks "add another item"?
What I would like to do is display a message to the ...
0
votes
1answer
17 views
How to deny access if url is changed manually?
Maybe the way I'm doing this is not the correct one but here it goes.
I have a page in my site where I have a form. In that form I have a select list that I fill with user ids from a query.
So for ...
-3
votes
0answers
26 views
Alternative to FormBase to create D8 form [on hold]
Is it possible to use Symfony to create Drupal 8 form api compliant forms?
My project needs to generate multipage forms dynamically. While I have successfully created a class which extends FormBase ...
0
votes
0answers
36 views
Drupal Queue Item Id in ProcessItem Function [closed]
I developed one custom module which will display a list of entries from my custom table. Now i need to add two buttons on top of the grid as "Clear out Unpublished" , "Clear All"
Clear out ...
0
votes
2answers
74 views
Paginated form with ajax checkboxes throws “The specified #ajax callback is empty or not callable”
Using Drupal 8.7.7 I have a form which consists of a paginated table of users.
Each user row has a checkbox element in the form with an ajax event attached. This is essentially to allow me to store ...
0
votes
1answer
37 views
Create nodes unlimited times
I've been trying to ajaxify the node creation form, the purpose?
Save the node and remains in the node creation page (Done)
If the user clicks the save button again save a new node
The second point ...
2
votes
1answer
23 views
How can I theme the markup for the labels in a set of radio options on a specific form item?
Given this form item defined in a custom module;
$form['my_items'] = [
'#type' => 'radios',
'#title' => $this->t('Items'),
'#options' => $optionsSet // array of options pulled from ...
0
votes
0answers
15 views
Custom submit handler for views exposed filter not working
I am trying to alter the views exposed form filter submit handler by using
modulename_form_views_exposed_form_alter(&$form, FormStateInterface $form_state, $form_id) {
if ( $form_id == '...
0
votes
0answers
23 views
How can I get the day count between a Date field and the current system date?
I have a content type, and there are two fields(Joining Date, and Day_count fields).
Question:
I have to calculate no. of days between the Joining date and Current date(Ex: Joining Date field ...
0
votes
0answers
40 views
Block not showing in controller generated tables Drupal 8
I have created a custom module that should show my custom block above the controller generated table. The block shows in other pages but not in the page where it is supposed to show. Found out that it ...
0
votes
1answer
22 views
The security danger of publicly exposing an upload field
On older drupal 7 websites I once faced security patches for the webform module, because file upload fields were considered insecure. There was en exploit where people could end up uploading .html ...
0
votes
1answer
42 views
AJAX form doesn't use ajax until cache clear
I'm defining an ajax form in my custom module (#ajax for submit). It is shown in custom block. But it works fine only on cache clear (on Drupal clear all caches or on ctrl+r in chrome). If I just use ...
0
votes
0answers
17 views
Dynamically created elements trigger wrong submit handler post AJAX event
I've found that dynamically created submit handles will adopt the first declared submit function in a form after an AJAX event has been processed. Demo code:
<?php
function form_test_main_form($...
0
votes
0answers
9 views
How to check validation while importing file CSV file for feed importer - Drupal 7?
I'm using Feed Importer to import Contents from CSV file to Content types(Like Bulk Import). Now i have to do validation in that file while importing like Required field, Unique fields, some ...
0
votes
0answers
15 views
how to call Manage From Display for a content type in page controller [duplicate]
I have created a Form Mode
and configured the Form Display as below image
Now, how do I call this form display in custom module controller.
-1
votes
0answers
20 views
How to create bootstrap barrio modal with form?
I am using Bootstrap Barrio theme in Drupal 8.
How do I create a Modal (only Bootstrap modal not Drupal's Administrative modal) that has Form and when submits the form it store it a Content.
0
votes
0answers
14 views
Separate page (non-administrative) for adding content for Non-Admin User with few fields
I have a Content type Product with fields
Title
Tags
Picture (File)
Status (Active, InActive) (For Administrator purpose)
I want the other type of Users to add Product content without using ...
0
votes
0answers
10 views
#states property in field cause multiple values not work in form with paragraphs
Hi i have an issue with form How do i fix that?
I have created custom Entity and few bundles in bundle i'm using reference fields one of them is from Paragraphs with multiple values. i needed ...
1
vote
1answer
33 views
How can I hide a field in the node add form but it unhide it on the node edit form?
I'm having a content type in that I want a field "Status" to be hidden in add content form page(I'm setting default value in that add content). Now I want that field to appear in edit form page of ...
0
votes
1answer
14 views
Changing the html and order of system fields(pass/email/locale/etc) of user edit form
I have changed a number of forms accessible by users to fit a certain style. To do this I used an #after_build function that adds prefixes and suffixes to fields, as well as a bit of javascript. This ...
0
votes
0answers
19 views
How do I prevent NaN from appearing in the drupal form field?
For this field, if a user enters a space and leaves the field, the field fills with NaN, any idea how I can prevent that from happening?
if (variable_get('variable', DEFAULT) === 1) {
$basics_form['...
0
votes
1answer
24 views
Is there a way to create hierarchical taxonomies checkboxes?
I have an issue where I want to keep sub category inside a parent category. Say, for preferred vehicle I want a checkbox like this in node creation form
[]Car
[]Volkswagen
[]Toyota
[]Bike
[]...
0
votes
0answers
11 views
How can I set a Custom Field's label to 'visually_hidden' by default?
So I created my own field plugin, and I wonder if it's possible to set a default value for the display option. Obviously, there's no way to set this in the field formatter, and I don't see where I ...
0
votes
1answer
29 views
Syntax to use form_alter with array in name attribute
I would like to modify some custom fields with form_alter in a contact form.
I know for example how to change placeholder for this "name" field :
Note : I removed all the unnecessary html elements ...
1
vote
3answers
74 views
Set label of $entity programmatically in a custom form
I need to change the label of a custom content type programmatically. I've looked around but I couldn't find a solution. This is my custom form:
class GroupContentForm extends ContentEntityForm {
/...
0
votes
0answers
27 views
Disable validation when previous button is pressed
I have a multistep webform with required fields. The problem is that when I press the "previous"button in order to go to the page before the validation triggers and does not allow me to change the ...
0
votes
1answer
41 views
How to save the webform data to custom table?
I designed a student registration form using webforms module. My requirement is to save data from the form to table student. How can i achieve this? Is there anyway to mention this in configuration ...
0
votes
1answer
26 views
Hook form alter to check date field is empty or not
First of all I'm new to custom modules, I'm using hook_form_alter to do some custom validation, in the middle I have to check if a date field is empty or not, if empty I will display an error message.
...
0
votes
0answers
10 views
How to Create a Form with Ajax Output External to the Form?
What I want to achieve is:
A form with a number of selects / textfields
A div external to the form that contains information pertinent to the form's current input (i.e. not contained in the form ...
-1
votes
1answer
64 views
How can I access individual form elements for theming?
I have overridden the default user login form in Drupal 8 using a different template in my sub theme, but it isn't of much use because when I access it in twig template, all I can do is
<form {{...
0
votes
0answers
21 views
How to use FormBase with form_alter hook?
I am trying to edit the node creation form in order to add multiple 'tableselect' fields in it. My module adds options in a select field and add an ajax callback triggered by the 'change' event of ...
0
votes
2answers
34 views
Rendering plain HTML in a form
I have HTML markup which is externally generated but I need to display in a form.
I've got the following code in a form controller:
public function buildForm(array $form, FormStateInterface $...
0
votes
0answers
16 views
When rendering a custom form, how do I use <button> instead of <input type=“submit”> for the button #type? [duplicate]
I have a render array for my custom form, which acts as a "Like" button for articles (but with custom functionality for our client). The button is defined like so:
...
$form['like_btn'] = [
...
0
votes
0answers
18 views
How to active conditional field function in DEPENDENT field when DEPENDEES field is autofill
I having an issue with conditional fields module,
My Form:
I have a field(Type)(Drop-down) that will be auto filled based on a entity reference field and another fields(Start and end Date) that i want ...
1
vote
0answers
15 views
8 - How can I update the entity reference fields of the form when I close the modal?
How can I update the entity reference fields of the form based on selection in the modal dialog when I close the modal ?
I have a form and users starts fill the form.
Then click on choose address ...
0
votes
0answers
27 views
How can I theme the login form?
I new in Drupal 8 and I have an a problem, i want to change de look of my user_login_form, reading about that i knew that i could use the hook_form_alter for my purpose but I can't access the form ...
0
votes
1answer
36 views
Access table form field's data from submitForm
I'm building a custom form and it display well. My form has a table type field which I can't manage to access from the submitForm method.
public function buildForm(array $form, FormStateInterface $...
0
votes
0answers
13 views
Override form field #value after ajax request sets it
First of all, here is the code:
/**
* {@inheritdoc}
*/
public function buildForm(array $form, FormStateInterface $form_state) {
$form['join_newsletter'] = [
'#type' => '...
2
votes
1answer
50 views
Is there a way to run hook_form_alter after themes implementation?
I'm using the material_admin theme, which has a hook_form_alter() implementation.
I see that my module's hook_form_alter() is executed before the theme hook. Both hooks are editing the same form ...
0
votes
0answers
14 views
Set and retrieve cookie in a form [duplicate]
How do you set and retrieve a cookie from a custom form in Drupal 7?
I am trying to set and retrieve a cookie containing form_state in a custom form. The form is a multi-step form. My intention is to ...
0
votes
0answers
24 views
How do I load a file in a managed_file field inside an edit form?
I'm building a custom module (Drupal 8) which implement new elements I called components. I have a component creation form which has a managed_file field which works well, it submits, save my image ...
0
votes
0answers
43 views
ContentEntityForm buildForm method parent out of memory
I have the following issue with my form class that extends the ContentEntityForm class.
When calling the parent buildForm which is needed my system runs out of memory.
/**
* {@inheritdoc}
*...
1
vote
1answer
22 views
Webform Select Element Optgroup / hierarchy
Hello fellow Drupal users, I have created an advanced HTML element in my webform. When the form is submitted the advanced html element reverts back to the default setting, which in this case is option ...
0
votes
1answer
41 views
Show form errors before opening AJAX modal
I have a form that adds a product to the cart.
The form uses AJAX to open a modal when the form is submitted.
I want to show form errors (if any) before the modal opens and avoid opening it if there ...
0
votes
0answers
34 views
Private file upload using core's contact module
I am using the core contact form module for user applications. I have set a private file upload directory in settings.php. When the user submits the application form I require them to also upload a CV ...
0
votes
1answer
28 views
Form is not submitting after ajax callback
I have a form which has a checkboxes field.
This field has an ajax callback attached
$form['checkboxes'] = array(
'#type' => 'checkboxes',
'#title' => 'test',
'#ajax' => array(
'...
