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Questions tagged [forms]

Use it for questions about the Form API. Don't use it for entity or entity field forms.

1,867 questions with no upvoted or accepted answers
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Execute form custom validator first before default validation

I have added a custom form validation on node/add page in drupal 8. The purpose of adding this validator is to add a slash before the path alias string. By default if a path alias string is added ...
Umed Godd's user avatar
  • 317
6 votes
0 answers
302 views

How to get referencing parent entity when adding entities via Inline Entity Form to set automatic titles?

I have a content type "Parent" and a content type "Child". When adding Parents, the user can add Childs via Inline Entity Form. Child content types have Automatic Entity Label enabled. In that ...
Alex's user avatar
  • 2,513
5 votes
1 answer
149 views

Programmatically Setting Content Ranking Factors For Drupal Search

I've added a dropdown to Drupal search page interface. I would like for users to be able to select this control to sort results according to Date or Keyword Relevance. I'm able to get the dropdown ...
Tiye Baldwin's user avatar
5 votes
0 answers
343 views

Is there any way to add a file field for multiple upload file to a custom form?

I'd like to add a file upload widget to a custom form, with core file module, as shown in the admin edit node page. I've trying with the 'managed_file' API, but I've only got upload one file. I need ...
jlcarretero's user avatar
4 votes
0 answers
113 views

Can TableSort honor form rebuilds?

I have a Form route in a site I am working on that is doing an entityQuery and displaying tabular data with some form elements to provide filtering, but without paging. For various reasons I can't ...
mpdonadio's user avatar
  • 38k
4 votes
0 answers
1k views

Loading a form in dialog/modal returns an error

I have a form with a submit button binded to an AJAX callback that opens up a modal with another AJAX form. The modal dialog opens with the form, but the AJAX submit in that modal form isn't ...
edwardchiapet's user avatar
4 votes
1 answer
973 views

Prevent dual submit on form submission

I've got a form that submits via AJAX and in the callback I need to rebuild certain parts of the page to reflect the newly submitted data. One of these parts is the form, which I need to clear all ...
Lyndon Cox's user avatar
4 votes
1 answer
1k views

How to set a default value for Simple hierarchical select?

I tried to implement hook_form_alter in order to pass default value to Simple hierarhical select views exposed filter. function mymodule_form_alter(&$form, &$form_state, $form_id) { $tid = ...
Yuriy Kosyanchuk's user avatar
4 votes
3 answers
5k views

Node add form alter & submit custom field

I have a content type "event" with a field called "field_pricelist". It's a dropdown with no values, I add the values when I alter the form. The values come from a custom table (install / schema) in ...
Pieter Moeyersons's user avatar
4 votes
2 answers
2k views

Alter granularity in date exposed filter from Y-m to Y if only year is selected

I am trying desperately to get the following working: Goal: I have a views that displays a list of events. To this views is a date exposed filter attached, with granularity Y-m(year month). I want ...
walidvb's user avatar
  • 141
4 votes
2 answers
4k views

How to trigger a form and pass variables to $form_state with jQuery?

What is the way to trigger a Drupal form via JavaScript, and pass new values to $form_state while doing so? I have a main form, which has an element that triggers a jQuery UI dialog with a form in it. ...
Danny_Joris's user avatar
4 votes
1 answer
396 views

Append Fields to node form by ajax call

I have a node form with some fields, now I want to append some more fields to it on an ajax callback. in the ajax page I have rendered the new form elements with drupal_render function My problem is ...
niksmac's user avatar
  • 7,692
3 votes
0 answers
39 views

Can I access more information (user inputs) using delta index?

I am working on an edit form of a content type, which contains several related inline_entity_form, let's say ief1 and ief2. When I fill and submit ief1 and come to ief2, I need to access the input on ...
Naser Nikzad's user avatar
3 votes
0 answers
243 views

Apply constraint conditionally

I've just started to use Drupal 8's Entity Validation API and I'm applying constraints to entities in the following way using hook_entity_bundle_field_info_alter: ...
Mag's user avatar
  • 31
3 votes
0 answers
1k views

Drupal Ajax pager

Am looking for a solution to implement $form['pager'] = ['#type' => 'pager']; into AJAX callback (without reloading the page). I have read alot of posts concluding there is no a drupal way to do this ...
Ngatia Frankline's user avatar
3 votes
2 answers
792 views

Form submission in modal is throwing an error

I have a Form which on submit calls another form via ajax and embeds it into a modal popup (Drupal8 standard) and when I click on submit of that modal form , I get a Drupal ajax error (I think it's ...
lordZ3d's user avatar
  • 368
3 votes
0 answers
2k views

How to make modal dialog submit buttons work when called with OpenModalDialog()?

I'm having an issue with some modal dialogs in Drupal 8.3.5. My requirement says that when I'm on a particular form under a particular condition, then a modal dialog pops up and collects some ...
franksj's user avatar
  • 41
3 votes
1 answer
239 views

How to render a @FormElement in Views area plugin

I am doing a custom plugin area for displaying some data in a views footer (Drupal 8). I do something about just like this : Create a custom area plugin The only point is, instead of #markup in the ...
Dom.'s user avatar
  • 31
3 votes
0 answers
1k views

Render form widget inside a custom form

I'm trying to use the Image Widget Crop inside a form API. I followed the example module but there's no explanation how to do it after a file is uploaded. My form is set like the code below. It works ...
Cleber Gasparoto's user avatar
3 votes
1 answer
2k views

Entity Browser in Forms API

I'm having trouble getting the entity browser widget to work correctly in a custom form. Just wondering if anyone has had any success in getting it working. I've got to the point the button is ...
phob0s_'s user avatar
  • 31
3 votes
0 answers
363 views

Image upload replaced modal

I have a form that has text_format form element with CKEditor in it and it has the image button in toolbar. This form is being displayed via modal. When I click on the image the image upload/...
user avatar
3 votes
0 answers
563 views

Multistep user profile form

How can I have a multistep user profile form in Drupal 8? Using Profile module I can have the tabs for the different sections of the profile, but what I need to have is a single form with steps for ...
Malabya Tewari's user avatar
3 votes
1 answer
345 views

What to return from form AJAX Callback

I used the examples found here as my AJAX guide. I have a custom form field $form['elements']['refunded'] which is entirely defined in a single line as an array. My AJAX DIV's and callbacks work ...
PittCaleb's user avatar
3 votes
1 answer
545 views

hook_form_FORM_ID_alter being called twice (even before submit)

I want to make some changes to the "Content" page. The ID of the form is views_form_content_page_1, so I made a quick test (after drush cr of course): function ...
ssibal's user avatar
  • 3,165
3 votes
0 answers
127 views

drupal_process_states function doesn't work for managed_file

The following code is working for text field, but it's not working for image field. function THEMENAME_form_system_theme_settings_alter(&$form, FormStateInterface &$form_state, $form_id = ...
tamilselvancst's user avatar
3 votes
0 answers
272 views

How to remove form validation in D8 under certain conditions?

I'm trying to save a node as a draft, but only if we are saving as a draft (Workbench Moderation). Otherwise, validation should be run as normal. The user must be allowed to save a node in any state,...
user64399's user avatar
3 votes
0 answers
686 views

Error saving custom field type module with "managed_file"

I have created a custom field type module (field plugin) containing four fields: title, description, address, image. Drupal version: 8.02 This is the schema structure inside FieldType php file: ...
Gabriele's user avatar
  • 135
3 votes
3 answers
2k views

Dynamically add input field using #ajax

As the question says, im not clear on how to go about adding new input fields depending on values of certain fields in the form. I got as far as setting a callback and a wrapper, but i just can't ...
Haider Ali's user avatar
3 votes
2 answers
6k views

Add a link field to block form

I've created a module with a custom block that extends BlockBase. To the block form I added multiple textfields and select boxes, by simply specifying the formatter in the '#type' configuration. My ...
estrar's user avatar
  • 415
3 votes
1 answer
543 views

How to add javascript after form was validated with ajax callback?

I created a simple form. How could I add JavaScript commands after form was validated? Why is it so hard do this? $form['submit'] = array( '#type' => 'submit', '#value' => 'submit', '#...
davide's user avatar
  • 31
3 votes
1 answer
157 views

Redirecting doesn't work with a custom form in a block

I developed a custom form with FAPI and added a block for it. Block is included only on one specific page (basic node). When user submits this form it should redirect user to external site (URL is a ...
user1271930's user avatar
3 votes
0 answers
853 views

Unzip a file in Drupal 7 Form API and upload extracted files

I'm creating a custom form using Drupal 7 Form API, and I need my users to be able to select a ZIP file containing a number of other files. I'd like to be able to extract the files and then upload ...
abe678's user avatar
  • 31
3 votes
1 answer
35 views

How can we use form directly without using drupal form handler

I want to post a html form into block as content and wanted to submit the form to a page. where I will need to get the form values using $_POST and do some process on it. How can i do that without ...
Govind's user avatar
  • 65
3 votes
0 answers
324 views

How can I return data from ctools modal to parent form

Let's say I have a Drupal form with a "Open popup" button and a text field. If user clicks on the button, I'd like to open ctools modal popup with two buttons (#3 and #4). Clicking on any button in ...
pgorecki's user avatar
  • 141
3 votes
1 answer
47 views

User Edit Page for different elements

I want to customize the user edit page. I want to separate the elements (eg. user password, user picture, user email) and put them each on a separate edit page. I tried the panels module, but that ...
jae.phoenix's user avatar
3 votes
0 answers
117 views

Drupal 7 Webforms 4, prevent submission if value of field is less than or equal to previous submission

I know that you can prevent submission if a specific value has previously submitted. However can you prevent a submission if the submission is less than or equal to a previously submitted value. ...
Figtree Develop's user avatar
3 votes
0 answers
144 views

drupal_add_tabledrag dragging but not dropping

I am trying to use the drupal_add_tabledrag in a form table, the dragging is added fine, but dropping is not working $entity_ids = range(10,20); // Loading dummy data $entities = entity_load(...
kristian nissen's user avatar
3 votes
0 answers
639 views

Webform: change the way each component is displayed?

What I'm trying to achieve: I want to show my webform so each input would be displayed on separate page (kind of wizard or form with steps). I know that usually this is done by adding page breaks at ...
Daniel's user avatar
  • 141
3 votes
0 answers
190 views

Disable form altering for admin pages on Bootstrap 3

My default theme is Bootstrap but I use Shiny theme as admin theme. Bootstrap theme alters the forms and fields. And I use Hierarchical Select module, there is a dropbox for multiselection and the ...
Metin Gül's user avatar
3 votes
0 answers
631 views

Passing a default value to a custom form element

I have created a custom element through a module. This custom element is a drop down element which reads the values from an array saved in the variable table, which in turn is controlled by a ...
user24652's user avatar
3 votes
0 answers
2k views

Multiple date picker for date popup widget

I've been searching for a while, but didn't find any contribute module to store multiple date values picking them from only one date popup calendar widget, just a 2009 feature request for D6. In D7 I ...
Cheope's user avatar
  • 137
3 votes
1 answer
284 views

How to avoid the following errors while adding options for Polls in our site?

We use core drupal's Poll module where admin can add options to the polls by clicking "Add option" & at the same time they can remove the options by clicking "Remove option" ...
Littleman's user avatar
3 votes
1 answer
516 views

How do you keep the login block on the same page when validation fails?

On pages where the login block exists, I need to stay on that page (and preserve query string arguments) if the validation fails when submitting the form. Does anyone have any idea how this could be ...
Lester Peabody's user avatar
3 votes
2 answers
3k views

Implementing custom entity forms

In Making use of the admin UI, Step 3 - Implement the entity adding/editing form, it says that you need to implement "a" form with the ENTITY_TYPE_form() signature for add/edit/clone operations... ...
amateur barista's user avatar
3 votes
0 answers
270 views

In tabledrag form, how to prevent certain elements from having children?

I want to use tabledrag to manage 2 kinds of elements. Let's call them branches and leaves. Branch can be parent to both branches and leaves. Leaf cannot be parent to anything. A support for class ...
Mołot's user avatar
  • 21.9k
3 votes
3 answers
3k views

How to build multivalue form elements using Form API

With the 'field collections' module at the form level, you can create a fieldset (or 'field group') that will accept multiple sets of values. Is there a way to do this with the Form API directly (or ...
Joe's user avatar
  • 455
3 votes
1 answer
456 views

Custom form values in hook_form_alter() not available in custom validate function

I'm modyfing a node form to add a few extra fields. On submit, I need to program some extra logic to these values then save them to the node object. function module_form_alter(&$form, &$...
Luke's user avatar
  • 31
3 votes
4 answers
67 views

Is there a way to insert a view in a node form?

I have created a content-type based form (contact form) for anonymous users. One of the fields in the form must displays a view. This view is a slideshow view that displays different persons (site ...
ARGO's user avatar
  • 339
3 votes
2 answers
2k views

Add javascript to returned form after ajax validation

I've built a form with the form API, and it's submitting via ajax via this type of thing: $form['submit'] = array( '#type' => 'submit', '#value' => 'submit', '#ajax' => array( '...
Chris's user avatar
  • 487
3 votes
1 answer
441 views

Vertical Tabs in Panel Pages

I am trying to have three forms available to the public on my site and would love to have them configured in in the vertical tabs layout. Initially I was going to have them available through node/add/...
user975044's user avatar

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