Questions tagged [development]
This tag is for question about the development of features or extensions in Joomla.
340
questions
1
vote
2answers
39 views
Use addScriptOptions for multiple modules on same page
I am passing some params to JS in my custom module using the addScriptOptions provided by Joomla:
$document->addScriptOptions("mod_mymodule", $params));
This works fine, as long as there ...
1
vote
1answer
60 views
Pass PHP variables to CSS?
I want to pass some variables to my css, without using inline styles. During some research I found different sources pointing to the same solution. For example here on the Joomla forum.
Basicly they ...
0
votes
1answer
34 views
Joomla php function which prints the pagename
Is there a php function to insert in the template which prints the name of the menu item of the displayed page?
0
votes
1answer
36 views
Creating a Library with multiple classes within a single file
I am trying to incorporate an external application as a library within Joomla which I have done before on a couple of occasions, however in this case there is a single .php file with about 20 classes ...
1
vote
1answer
36 views
Problem accessing database from front end of a component
I am currently working on a component which will display "events", stored in a database, on a map (filterable by location, category, date etc...). My first step is to display a simple report of the ...
1
vote
1answer
85 views
In front end of component use the Admin controller and model to delete records
I would like some help in using the delete() methods of the AdminController and AdminModel when in a front end list view to avoid duplicating code unnecessarily.
I have a listing of records in a ...
1
vote
1answer
35 views
What is the different between JPlugin and \Joomla\CMS\Plugin\CMSPlugin
I was learning plugin development when I came across this.
so for some plugin, I see
class pluginA extends JPlugin
for some others, I see
class plgGantryEasyblog extends \Joomla\CMS\Plugin\...
1
vote
0answers
35 views
List every contact including the ones in subcategories
I need a phone book with all people of the organization, but also need a separated phone book for each department. We have a "Main" category, with a few subcategories. I cannot duplicate the personal ...
1
vote
0answers
61 views
FieldsPlugin onCustomFieldsPrepareDom $field on save different on front and backend
I currently develop a FieldPlugin for myself. I noticed some things and don't understand them fully right now. My plugin works in the backend perfect, but raises errors on the frontend, so I did some ...
3
votes
1answer
37 views
Why is my plugin not hooking into events?
I have a plugin that looks like this:
class plgExtensionLogInstall extends JPlugin
{
function onExtensionAfterInstall($installer, $extensionId)
{
JLog::add("Extension installed: ".$...
1
vote
2answers
47 views
How to remove excerpts in joomla articles
On my homepage, I am listing all my blog posts from a category. I don't want to show there any excerpt of articles neither full article instead of a title and featured image. How can I achieve that?
0
votes
1answer
31 views
Remove tag association when deleting an item in own component
I followed the MVC Tutorial from Joomla as close as possible to create my own component. I included Joomlas Tags system within my component using the Observer technique in the JTable class
class ...
4
votes
1answer
98 views
Get form input in custom field
I'm currently working on a custom field, where I manually add a checkbox to a file upload field.
PDF Upload field
In onContentBeforeSave I want to read this checkbox to decide what to do with the ...
0
votes
1answer
67 views
Accessing path to tmp directory in my component
How can I access in a custom component the full path to tmp directory configured in the Joomla configuration? I have changed the tmp directory to be outside of the Joomla! installation.
0
votes
1answer
40 views
How to write a complex installer script for a component?
I would like to ask the user some questions in a dialog way during installation of my component. As far as I know, this could be done in the preflight method. But I am not sure how to do user ...
2
votes
2answers
117 views
How to configure Eclipse Project for Joomla Component Development
I like to develop a fresh Joomla Component for Joomla 3.x in Eclipse and created therefore a simple PHP project.
The problem I have is now how to setup the correct "include path", so that the basic ...
0
votes
2answers
96 views
Getting post installation script to run for a module
I've a module that I want to run a script post installation, post update etc.
I think this can be done by adding a script.php into the module zip file and then calling it in the installation file.
&...
1
vote
1answer
204 views
From outside of a component how to change a parameter
In a system plugin, I am using the onAfterRoute event to change a single parameter from a 3rd party component before being loaded.
public function onAfterRoute()
{
if ('com_abc' == JFactory::...
2
votes
2answers
413 views
Using external PHP library and defined('_JEXEC') or die;
I want to use hatemile-for-php library (https://github.com/hatemile/hatemile-for-php) in my plugin.
As I am only ever using this library within this one plugin, I included it in the plugin folder ...
1
vote
3answers
49 views
Develop a System Plugin with Sample Data for Options
I'm in the process of developing a system plugin. In the options is a subform-field (repetable), which contains several fields. In the "default" of the subform I can specify a record.
a) How can I ...
3
votes
1answer
1k views
How to write a query with GROUP BY and ORDER BY using Joomla's query methods?
I have the following query that I need to convert to Joomla using JDatabase. This query executes as intended in the phpMyAdmin.
SELECT `id`, DATE_FORMAT(`estEventDate`, '%b %Y') AS estDate, COUNT(`id`...
2
votes
1answer
58 views
MVC what stage sets a task if none provided
I am trying to understand Joomla's MVC logic. please help me figure out the processing of the task
Unedited code from a Joomla package has the front end article edit form with the task field, but its ...
1
vote
1answer
292 views
How can I add custom user field values to an article?
I have created a custom user field named "Gender".
How can I show this field in an article?
I can only manage to show: username, name, email and User Id
Here is my current Sourcerer code to access ...
1
vote
1answer
288 views
in Joomla 3.8 default search tools do not respond in my own component and cannot set and get state of the filters
I try to get some help from you to spot what I am doing wrong (what I am missing) on applying search tools and filters in the admin of Joomla 3.8 in my own component.
I am pulling my hairs out since ...
0
votes
1answer
47 views
How do you start new project design implementation? [closed]
You choose the framework and extension for your new website project and actually all is set. The designer sends you some Photohop files with new design.
I tried to find online some instruction what ...
1
vote
1answer
66 views
Get whole POST with JREQUEST_ALLOWHTML
In order to get the whole POST I do
$app = JFactory::getApplication();
$jinput = $app->input;
$data = $jinput->getArray($_POST);
that works ok.
But I want to apply the filter ...
1
vote
2answers
339 views
Change user default language programmatically
In a custom component I'm making, I need the user, in his private area, to choose the default language for the web.
It is a custom form, and I already render the language selector, but I don´t know ...
2
votes
1answer
390 views
Reload admin form after save field in database
In a custom component I need the user in the edit view of an item to be able to load a field in the editor field through modal and ajax.
The case is the user can fill an editor field from a text ...
1
vote
1answer
236 views
file upload in admin backend - custom component
In my custom component/admin, in the item edit template I am trying to let the user upload a file.
The problem is that the file is not being passed in my save function. There is not even in the array ...
1
vote
1answer
513 views
Get com_contacts item by id?
I need to get a com_contacts item the same way Joomla does (so I can re-use a template for example). I know I can get the item by querying the database directly, but that won't prepare things the same ...
1
vote
1answer
117 views
Why does the truncateTable() method create an empty string for a query and fail to delete rows?
I have the following code attempting to truncate a table. The Joomla documentation makes me believe this will work, but it does not. What am I missing?
$db = JFactory::getDbo();
truncate_query = $db-&...
3
votes
1answer
34 views
How is the relationship between template styles and menus stored in Joomla 3.x?
I'm working on a tool that imports content for a new language. As part of that process, I'm creating a copy of a template style specific to the new language. After making a copy of the template style ...
5
votes
2answers
139 views
Errors de-crypting libsodium encrypted values from database
I've been implementing some encryption at rest in one of our Joomla components, but keep getting a couple of errors when de-crypting the values when they're written and read from a database.
So I ...
3
votes
1answer
84 views
Component Development PHP Version Check
I've been developing a component, and have been trying to find some information, to no avail, of having my component perform a check of the PHP version before install. If PHP is greater than 7, then ...
4
votes
1answer
861 views
Using external library with a component
My component is using phpExcel library; I put it into /libraries/phpexcel/Classes. This is an independent (and quite big) library, so I thought, that it would be wise to tell the admin where to put it ...
1
vote
1answer
29 views
Using a non-numeric ID in a backend component
In a backend component, I have one table that does not have numeric ID numbers. It is instead indexed on a unique alphanumeric value (think like a list of U.S. territories indexed on abbreviation, e.g....
5
votes
2answers
172 views
How to reverse-engineer a 3rd party Joomla extension to clone it and to be able to make modifications to it?
I have a template from a provider in which they've included a new content type and a com_content override. The template is a quick install.
I'd like to find out
- what files have been added by ...
1
vote
1answer
65 views
What is the difference between onAfterGetMenuTypeOptions and onBeforeRenderMenuItems plugin triggers
Both of these plugin triggers have been mentioned by @Craig in his reply to another question, but what they actually do is not so clear.
In /administrator/components/com_menus/models/menutypes.php ...
0
votes
1answer
45 views
Advice on a manager/employee area
Hi this is most a request for help and advice than a question. I hope this is fine with the policies of this site as I think the answers can be useful for more users.
I developed a custom component ...
1
vote
0answers
16 views
Desktop application for macOS to generate components, plugins and modules
I would like to know if there's a desktop application to easy generate components, plugins and modules for Joomla.
I have tested this two generators:
https://www.npmjs.com/package/generator-joomla3
...
1
vote
1answer
503 views
Subform inside modal
I am using subform form field type inside my plugin parameters (I am reusing a form in several places of my plugin parameters, with success).
What I really need to manage is to use each subform ...
0
votes
2answers
38 views
Joomla learning extension
I am looking for an independent platform, or an "extension" for joomla, that has or allows to develop the following characteristics:
Role 'Student' - This has a personal page where you will be ...
1
vote
1answer
72 views
Why getProfile is auto decrypting value
I am building a custom profile for a component I am writing. I added a password field that I encrypted with php code. That all worked. I will show my steps below. The weirdness start when in the ...
1
vote
1answer
44 views
JRegister::merge does not give correct results
I am developing a component. At the site part model, inside getItem($pk)
I am using:
$params = new JRegistry;
$params->loadString($this->item->params, 'JSON')...
1
vote
0answers
348 views
How to dynamically add extra input fields in k2 item form
Problem
I'm currently working on a form which has to implement a way to create a schedule for a single day. It should use a time for when an event starts, and a description about the events.
The ...
1
vote
1answer
81 views
pdf protecting with joomla extension
I'm developing a Joomla site.
There are 3 features needed:
- file management, to grant access to an user to certain PDF files
- PDF edit to insert the user's name
- PDF edit to protect the pdf with ...
1
vote
2answers
590 views
Joomla 3.7 change value in database after form button press
I want to do something really simple, but have to use Joomla what makes it probably complicated because I have less experience in Joomla development.
I have field with a value (a number) which is ...
1
vote
2answers
243 views
Plugin to change incoming url
I am creating a component but need to redirect all incoming requests to the new component. The URL looks like this currently: index.php?option=com_component&view=xxx and when this comes in I want ...
0
votes
2answers
805 views
How do i edit only the homepage from the joomla template?
I have used clever template and edited index.php file by adding some lines of code:
<div class="col span_8">
<div id="message">
<h2>
Message From ...
0
votes
1answer
136 views
How to remove rel=“nofollow” with Joomla Buffer?
I am developing a plugin to get rid of any rel="nofollow" on HTML links using a buffer, but its not working. I am testing it with a nofollow link on a Custom HTML Module.
I thought that "JFactory::...
