Questions tagged [plugin-events]
For questions regarding plugin-events: events in Joomla and non-core extensions where you can hook into to change its behavior
60
questions
0
votes
1
answer
57
views
PHP: Need to know how to trigger onContentAfterSave on existing article
I have what I thought would be a simple challenge: to automate publishing an article and trigger the onAfterContentSave event for saving the article. This code ultimately has to run within another ...
0
votes
1
answer
119
views
Overwrite Site Model getListQuery
I have a System Plugin to filter Joomla 4 Category Blog Articles by Custom Fields. The Plugin basically overrides the core content ArticlesModel by loading it in the onAfterRoute Event like this:
...
0
votes
3
answers
82
views
Unloading once loaded plugin in Joomla 4
So when doing this i can import a Plugin and run an event on it:
PluginHelper::importPlugin('mygroup', 'myplugin');
Factory::getApplication()->triggerEvent('onMyEvent', ['some' => 'stuff']);
If ...
0
votes
1
answer
62
views
onAfterDispatch is getting called differently
I have a system plugin that is doing something very simple. The issue is that locally it works fine, but on a live server the events seam to be differing and the plugin is not getting triggered.
Both ...
1
vote
1
answer
76
views
Plugin Events - how are they helpful in a real life?
There's a knowledge base for one Joomla component and it contains a whole bunch of Plugin Events. Text files with a code, basically. I wonder how they can be used in a real life an what for? Would it ...
1
vote
1
answer
50
views
Difference between triggerEvent and dispatch
What is the difference between:
$result = $app->triggerEvent('onMyEvent', [$context, &$table, $data]);
and this:
$app->getDispatcher()->dispatch('onMyEvent', AbstractEvent::create(
'...
2
votes
2
answers
146
views
Register Plugin/Class Joomla
We have a custom login plugin which extends the CMSPlugin.
I am trying to register the Class of the plugin inside a module but the following scenarios occur.
Case 1
JLoader::register('...
0
votes
0
answers
17
views
modal popup just after login
I am new to the Joomla world and I have to face a difficult problem.
I have to make sure that immediately after logging in to the user, a modal popup with a select box is proposed.
The content of the ...
1
vote
1
answer
119
views
cant display simple text onContentPrepare
I just want to display simple text and this is not working.
I don't know is there a way to see something like log to see what happens in the background?
public function onContentPrepare($context, &...
0
votes
1
answer
32
views
Does on after save work with the API call?
I want to listen to when an article has been changed and then send a request to a webhook.
If it was manually being entered then I could do an onAfterSave plugin.
Will this work with an API call? ...
1
vote
1
answer
638
views
How to access the plugin event in Joomla 4
plugin code
defined( '_JEXEC' ) or die;
use Joomla\CMS\Plugin\CMSPlugin;
use Joomla\CMS\Event\Event;
use Joomla\Event\SubscriberInterface;
class PlgMygroupMyplugin extends CMSPlugin //implements ...
1
vote
1
answer
48
views
Plugin for two types of events from different plugin types
AS written here Plugin types determine which events a plugin can react to.
I am now in the process of enabling 2 tasks. First via installer that does a check before update a download id and second I ...
0
votes
0
answers
60
views
Contact backend on before store process
I am using Joomla 3.9.22.
On the back end contact form, I want to make check on the submitted data. I tried to make a plugin but with no luck.
I have found the onSubmitContact event, but it does not ...
2
votes
1
answer
60
views
How to redirect in software after logout
I am seeking a way to trigger a redirect on user logout.
One obvious way to do this seems liable to cause problems. The event of logout can be used to trigger a plugin using the event onUserLogout. It'...
0
votes
1
answer
106
views
Can plugins listen to events in different groups?
I'm trying to trigger some actions for example when a content article is saved (using onContentAfterSave) or when a event from jEvents (https://www.jevents.net/) is saved (using onAfterSaveEvent). The ...
0
votes
1
answer
67
views
Render a template after a specific route by using system plugin
I am facing a problem to render a template after hitting a specific route.
Let me describe it a bit. I have a template structure like-
templates
|__mytemplate
|__|__index.php
|__|__component.php
|__|...
0
votes
1
answer
41
views
How can I place a module position in the midpoint of my content no matter what size
I want to put a call to action in the middle of my content no matter what size the content it.
I know I will need some JavaScript in order to calculate the word count and the mid point. And I know I ...
0
votes
1
answer
108
views
When exactly is onContentPrepareData triggered?
According to https://docs.joomla.org/Plugin/Events/Content, it is Called after the data for a JForm has been retrieved. It is not very clear when exactly the event is triggered.
Based on the ...
0
votes
0
answers
77
views
Which Event to include in User Plugin that fires on Save button in Plugin manager?
My user plugin, "Myplugin", works. I have extra parameters in the plugin that can be set in the Plugin Manager (Menu: Extensions / Plugins / MyPlugin). Those are stored in the database when using the ...
0
votes
1
answer
131
views
How to add an error message when returning false in the onContentBeforeSave event?
I work in a functionality in which I must validate some fields before saving, if a condition is not met I must indicate abort the save process, according to the documentation of the ...
3
votes
1
answer
832
views
How to programmatically set the value of a custom field of type checkbox?
In articles, I have created a series of custom fields, including two date fields and a checkboxes field. Now, through a plugin in the onContentBeforeSave event I need to verify that if date 1 is less ...
0
votes
1
answer
119
views
Listening for a "image upload" event
I want to be able to programatically keep track of new images that have been added, so that I can periodically run a script that does something with the new images. My idea is to have a plugin that ...
0
votes
3
answers
79
views
Limiting onContentAfterSave to one result
First of all, I'm quite new to creating my own modules and plugins (and very much in learning stages!) and I find the help here excellent and very inspirational - thank you.
I'm trying to create a ...
4
votes
1
answer
136
views
How is onContentAfterSave working in the Front End?
I have created a plugin that works using onContentAfterSave to fire off some other processing once a record is saved. This works as expected in the Back End but nothing gets triggered when I save a ...
3
votes
1
answer
114
views
Content plugin doesn't add text to articles
I have the following plugin written:
defined( '_JEXEC' ) or die( 'Restricted access' );
jimport( 'joomla.plugin.plugin' );
class plgContentModifyArticle extends JPlugin
{
function ...
1
vote
0
answers
43
views
Adding an alias to the body class by appending it to the existing alias
I have successfully managed to add the alias to the body class by creating a plugin. It uses vanilla JS and isn't overly problematic except when I combine and compress my JS it stops working. I'm ...
2
votes
1
answer
994
views
Updating JEventDispatcher triggers
Can anyone explain or point me to information on the new way to handle events in Joomla 4? I'm updating a component that uses triggers to display plugins, and it looks like this:
$dispatcher = ...
3
votes
1
answer
68
views
Why is my plugin not hooking into events?
I have a plugin that looks like this:
class plgExtensionLogInstall extends JPlugin
{
function onExtensionAfterInstall($installer, $extensionId)
{
JLog::add("Extension installed: ".$...
0
votes
2
answers
125
views
How to use plugin content-events on featured contacts page
Using the content event onContentPrepare() within a plugin in the contexts of 'com_contact.category' and 'com_contact.contact' works fine.
But the following code doesn't output anything on a page ...
1
vote
3
answers
71
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 ...
2
votes
1
answer
126
views
How does Joomla! event system (plugins) avoid namespace conflicts?
As I understand, to use Joomla! plugin events from my user code, I first need to load the plugin class (which registers the named functions as events in the event dispatcher):
JPluginHelper::...
0
votes
1
answer
90
views
Including Results from API Call in Joomla! Search Results
My organization uses Joomla! for its customer facing site. There is a database that I only have REST API access to. I'm trying to ping that API to include results from it alongside the normal Joomla! ...
3
votes
1
answer
163
views
onUserAfterLogin popup - Joomla 3.6.4 Plugin
I need to create a plugin that displays a popup when an user makes a log in on my Joomla 3.6.4 website. I know that I need to create a Plugin and trigger the onUserAfterLogin event, but I don't know ...
0
votes
0
answers
116
views
Custom Joomla plugin to catch specific database queries
Is it possible to make a plugin which will get triggered by specific database events in Joomla?
I need to watch the $this->getTable() request in Joomla. For eg:
$table = $this->getTable();
if (...
1
vote
1
answer
87
views
search component/plugin in joomla
I am new to joomla! and would like to design a custom search plugin to search through my database. I know that when using the default search, the onContentSearch() function is triggered and "search ...
1
vote
1
answer
103
views
How to control the execution order of the same event?
I would like to know if it's possible to control the order of the execution of the same event in several plugins.
For example, I have the event event1 in 2 plugins, and I want the plugin1 execute the ...
1
vote
1
answer
50
views
onAfterModuleList not triggered in Home or in Wrapper menu type?
I got a plugin that uses the onAfterModuleList event, it works fine on most menu types. But it doesn't seem to be triggered in neither home or wrapper menu types. Event though there are modules ...
1
vote
2
answers
630
views
Event for saving Custom Fields data? Or before save
I am looking for the event is triggered when saves or just before the com_fields custom field saves the data?
Also, is there any where I can find the list of all com_fields event trigger the ones I ...
1
vote
1
answer
1k
views
renderField with fields from custom plugin
I need to expand the functionality of the registration form. Following some tutorials and the sample profile plugin I was able to use the onContentPrepareForm to add the new fields.
Now the second ...
1
vote
1
answer
177
views
How to stop (or 'untrigger') a Joomla event, for example onUserLogin
Using J3.7.2 with MySQL 5.7.14 and PHP 5.6.25.
I have built a Joomla user plugin (let's name it "My_Plugin") which does all the things that the default Joomla user plugin "User-Joomla" does, plus some ...
0
votes
1
answer
231
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::...
2
votes
1
answer
269
views
Is there an event for saving a menu item?
I'm trying to create a plugin that fires when a menu item is saved, but I'm having trouble finding an event to listen to. Sor far I have
function onContentAfterSave()
{
...
0
votes
3
answers
346
views
How to remove specific articles from blog view using a plugin custom code. Its possible? How?
I would like to prevent some specific articles from being shown on com_content blog view and featured articles view.
For example, if the article has a specific ID that I seted on code like "27" he ...
1
vote
1
answer
54
views
Logout within plugin interfering with other plugins
I have a user plugin which performs some tasks and then logs the user out using $app->logout($userID, []);.
This is intentional and part of the plugin's functionality, and works well if no other ...
2
votes
1
answer
25
views
Unable to update deploy server url during postflight event
When I install myplugin the very first time, it should update the location column in #__update_sites table with updated string which includes the API key.
I'm unable to update at first install as I ...
2
votes
1
answer
42
views
native voting for events of events booking plugin
I am using the events booking plugin and struggle with some issues for voting.
How can I enable the native joomla 5 star rating for events, like I can use for articles?
It would also be good to use ...
4
votes
1
answer
1k
views
Trigger event for specific plugin only
Is it possible to trigger a event for specific plugin?
I can load a specific plugin
$loaded = JPluginHelper::importPlugin('my_component', 'my_plugin_1');
But when I trigger an event, all the ...
1
vote
0
answers
321
views
Why use ob_start and eval instead of using a simple include in this Joomla Plugin?
I was looking at the code of a Plugin for Joomla! CMS for a functionality I need: the possibility to run custom PHP scripts when a Joomla! Plugin/Events is fired.
I wanted to learn the mechanism used ...
4
votes
1
answer
454
views
Is there an event like "OnAfterCompileHead"?
As per title, is there already an event that can work like a sort of OnAfterCompileHead?
Maybe onAfterDispatch, onAfterRender or onBeforeRender?
I need to change some meta tags in the <head> ...
0
votes
1
answer
105
views
Event Booking - Javascript error on function
I started having a strange error on some pages. The website has been working fo the last 3 years with no problem.
We sell IT courses and have pages for both individual and group registration.
Group ...