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Questions tagged [form-fields-types]

Form fields are input fields of a HTML form, that are available in Joomla, that can be used to create forms or the extensions interface where users can adjust settings. There are several standard Form Field Types available, while there is support for building custom ones if needed.

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Does Showon attribute for list options work with Joomla 4?

I have tried the following exact example in the Joomla documentation: Showon attribute for list options <field name="fielda" type="list" label="FIELDA_LABEL&...
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com_ajax to plugin / or plugin field

I have this customfield plugin where the user can select a folder in a popup, the call should be ajax based. The form-"field" including AJAX call etc. works already in some of my modules ...
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Rendering fields of custom subform in individual layout

So inside a custom component (com_mycomp), i need to output the single fields of a subform field custom arranged. Sounds simple, but I can only get it to be rendered in default vertical order. I can't ...
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2 votes
1 answer
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Creating a field plug-in, need the com_content form to be enctype multipart

I've been writing a field plug-in for adding files to articles in com_content. I've got the basics of the field plug-in working ok, extending the JFormFieldFile class The issue I've hit is, for the ...
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44 views

Custom Javascript function on event Change for a Form field

In a form field of a custom component, I want to specify a javascript function for an onchange event like this: <field ... onchange="myCustomJavascriptFunction();" ...
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2 votes
1 answer
342 views

How to override a form field in Joomla 4

I have the following field in my module's XML: <field addfieldpath="/modules/mod_xxxxxx/fields" name="icon" type="filelist" label="Icon" />...
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2 answers
58 views

Form-Fields-Fieldset-showon issue

For a component I have a field item_type that needs to be saved in its own database column for ease of searching, filtering etc, and a set of configurations which have global option defaults so are ...
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1 answer
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Adding extra field to joomla categories

I need help in adding extra fields to Joomla categories(not article) in my custom component categories and I didnt find any documentation for that. I want to add a time field to categories. I tried to ...
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1 vote
2 answers
377 views

How to dynamically reload admin-form-fields in Joomla

In a custom component, I'm developing an admin form with 2 fields, a combo-box for jobTitles and checkboxes for technologies. Both fields are loaded from a database table. The values of the checkbox ...
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1 vote
1 answer
172 views

How adjust "Maximum upload size" indicator for file upload?

Joomla prints a short notice regarding the Maximum upload size when including a file upload field with the standard form field file, see code and image below: <field name="image" ...
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1 answer
174 views

I'm trying to make a custom form field to show CSS and JS but I can't get it work

I've copied the instructions here: How to add CSS/JS/an Image to a module backend modulename.xml <config> <fields name="params"> <fieldset name="basic" ...
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1 vote
0 answers
75 views

Showon field attribute targeting field from a group to root

So this is an example XML: <form> <fieldset> <field name="field1" type="text" default="" label="" description=""> ...
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1 answer
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Custom field type with showon attribute for list options

When creating a showon attribute in list options one can do that in form XML since Joomla 3.9 like this: <field name="fieldx" type="list" default="0" label="...
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  • 331
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1 answer
58 views

Is it possible to change what value appears in user form field?

I created a module that allows administrators to select a specific user for the module to handle. Problem is, the once a user is selected in the modal, the field displays the user's name and my ...
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2 answers
268 views

How can I set the option values of my custom list formfield

I have created a custom form field which extends the list form field. I takes some JSON and creates the form options. I used this documentation: https://docs.joomla.org/...
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How can I create a custom list formfield from json

I need to create a custom formfield like so: https://docs.joomla.org/Creating_a_custom_form_field_type But the data I want to populate the list with is in a json file. So I can't really do a PHP ...
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0 votes
2 answers
85 views

Joomla Calendar format not displaying the correct format

Below is my calendar field in the form <field name="job_next_run_date_time" type="calendar" label="JSCH_JOBV_NEXT_DATE_TIME" description="...
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  • 2,651
1 vote
1 answer
161 views

Default options on a multi-select form field using setFieldAttribute

We got a custom jform field as below <field name="select_course" type="courselist" label="Select Course" multiple="true"> </field> Assume the ...
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1 answer
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How to override "Select an option" header for SQL and list fields

In my custom component, inside the forms, I have several list fields. Some are normal list fields, others are sql fields. All of these show "Select an option" as a header. I can't find the way to ...
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Is it True that you can add Syntax to the Editor Form Field Type?

I was looking into the Editor Form field and I came upon this page: https://issues.joomla.org/tracker/joomla-cms/20062 Which shows this: <field name="css" type="editor" filter="raw" editor="...
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131 views

Joomla datepicker field issue

Can someone help please? I'm working on a simple component which displays events. The component allows events to be submitted from the frontend. The form uses the Joomla datepicker. The problem I'...
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2 votes
1 answer
182 views

Joomla 4 addfieldpath

Has the addfieldpath parameter in custom extension forms changed in Joomla 4? The Joomla admin is no longer finding my component's customized field types. I'm using addfieldpath="/administrator/...
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1 answer
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Is it possible to edit the SQL custom field to be multi-select?

I want to be able to select multiple values with the SQL custom field. Is this possible? When I use a query which as multiple results, I can only pick one. I found this post: Creating custom field ...
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1 vote
1 answer
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Code for the Content Language Field type

What is the proper way to call for the Content language field type. My below code works but I don't use the content language field type. I am building a drop down from all available languages. $...
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1 vote
1 answer
321 views

Joomla 4 - import parent field class into extending field class issue finding the files

Testing my Joomla 3.9 extensions in Joomla 4, some of them didn't work, because, as instructed with the (probably) old documentation my custom fields use jimport('joomla.form.formfield'); ...
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2 answers
427 views

Extended subform field use own layout from template/html folder

I've created an extended subform field type called families.php, basically I want to have my own custom layout for this custom field, it makes sense I don't want to mess up everything just for this ...
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  • 395
0 votes
1 answer
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Missing form data from being saved in Contact Component

In the Contact component, I have edited the file "contact.xml" I changed the textfield named con_position from type="text" to type="calendar". Here is the code: <field name="con_position"...
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3 votes
1 answer
260 views

How to use the showon attribute with multiple conditions?

In a Joomla 3.9.3 module, I'm trying, with no luck, to show/hide a field with showon by checking the values on other three fields My XML: <field name="foo" type="text" /> <field ...
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2 votes
2 answers
320 views

Calendar Field render error "Double timezone specification"

in my custom component I have a calendar field which I render in my view. Database field : Name: estEventDate Type: date Null: No Default: 0000-00-00 XML Field : <field name="estEventDate" type=...
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  • 408
0 votes
1 answer
139 views

Joomla editor field type text not posted when submitted

I'm working on a custom joomla module. It has a form with an "editor" type field. The fields are defined in the related xml file: <form> <fields name="main"> <fieldset name=...
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0 votes
1 answer
70 views

How to retrieve the default site template in my xml module?

I wish to add a formsource to a subform in my custom maded module. The example code: <field type="subform" formsource= "templates/DEFAULT_TEMPLATE/MY_MODULE/SUBFORM_NAME.xml" >
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1 vote
1 answer
152 views

How can I enable the created date for an article to be edited in the front end?

I don't know how to enable editing the created date of an article in the front-end, after updating to Joomla 3.8.10. So far I used to override the article's edit form com_content -> form > edit #...
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5 votes
1 answer
421 views

How to generate a dynamic note field for a custom component?

I am attempting to develop my first custom component called com_image. Because of the structure and function of my project requirements, it made best sense to clone the com_contact folder and ...
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0 votes
1 answer
32 views

Field of type contact

In a form of a custom component, how can I add field of type contact instead of type user?
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1 vote
1 answer
49 views

List of users in form

In a component, if I want to add an user field to the form, I can easily use a field of type user, and play with it as I want. But what can I do if I need a field that stores an array of users? The ...
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  • 167
2 votes
1 answer
41 views

I change list value in module but it does not change in params

I have a list Joomla! form field in my XML, it works in the back end, I can change the dropdown. When saved, the item stays the same. When I print_r($params) The value is outputted as "true" and ...
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2 votes
2 answers
314 views

What does sql_select="e.*" do?

On https://docs.joomla.org/SQL_form_field_type it talks about using the SQL fields. I'm wondering what sql_select="e.*" does. I know that the star is a wildcard for everything. I'm just not sure ...
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1 vote
3 answers
5k views

How to add placeholder to input field via php variable

In my login form, custom layout fields are displayed by the $field->input variable. Unfortunately, those fields are displayed without the placeholder attribute. Is there any way to add this ...
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2 votes
2 answers
2k views

Problems with Custom form field select list

I am attempting to modify code that was created by Component Creator. The modification I am trying to make is to get the select list to save the partno instead of the index value. There are two ...
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0 votes
2 answers
148 views

Joomla custom fields management

I'm new to Joomla'scustom fields and also don't have a deep knowledge of Joomla. I need to create a custom field name "Speakers" to associate to a event. It's a multiselect field so that ...
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3 votes
2 answers
545 views

How can I change the Class of SELECT fields that Joomla generates'

I've disable chosen.js so that all my <select> tags are plain HTML, but am so far unable to change the default class of inputbox to one of my choosing, (specificially from the Search Tools ...
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1 vote
1 answer
57 views

Showon="foo:1[AND][bar:2[OR]bar:3]"

Can I do a nested AND / OR statement in Joomla! showon? At present if a field is hidden but selected then my other field will show. So: Type of Vehicle Car Bike Car Make Alpha Ford Skoda Car ...
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3 votes
1 answer
255 views

Tags filter field - how to add custom "placeholder"?

I have added a tags filter in my component's list with multiple enabled. <field name="tag" type="tag" label="-Select a Tag-" description="Filter by Tags" multiple="...
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5 votes
2 answers
551 views

Custom Form Field not working in Windows environment

My attempt is to re-build the example here: https://docs.joomla.org/Creating_a_custom_form_field_type Somehow, Joomla doesn't see the City.php file in administrator/components/com_testing/models/...
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1 vote
2 answers
651 views

Save multiple list custom field for component

I 've created a custom form field type class JFormFieldCategories extends JFormFieldList { protected $type = 'categories'; public function getOptions() { $db = JFactory::getDBO(); $...
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2 votes
2 answers
573 views

How to edit 'created date' from front end

What file I have to change to edit the created date of an article from the front end? Using joomla 3.8.1.
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3 votes
1 answer
159 views

Module field type category not working

I am trying to tweak a module based on Joomshopping, a shopping cart extension. The module is called "mod_jshopping_categories", I want to add a field that is a dropdown list of the product categories ...
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  • 1,369
1 vote
2 answers
372 views

Creating custom form field type extended from standard tag field

I'm trying to create a custom form field type for my component. Functionally it should operate the same as the standard tag form field type, except I want to store the tags in my own database table (...
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2 votes
1 answer
530 views

Documentation tutorial: Why is my JFormFieldList showing a textbox?

I was going through this part of the tutorial: https://docs.joomla.org/J3.x:Developing_an_MVC_Component/Using_the_database Except I tried using my own names instead of 'helloworld'. Everything else ...
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  • 287
7 votes
1 answer
941 views

Form Field showon:"empty

Using this documentation https://docs.joomla.org/Form_field I have developed a plugin and used the showon attribute within the XML (head to the bottom of that page). Whilst is shows me I can use ...
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