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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

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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, &...
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  • 11
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0 answers
13 views

Globally filter modules (and articles) in backend

I added a lot of different user groups which are allowed to do specific things in the backend, e. g. group1 is allowed to edit some modules articles, group2 is allowed to edit other modules and ...
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  • 111
0 votes
1 answer
25 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? ...
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  • 1,819
1 vote
1 answer
54 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 ...
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  • 101
1 vote
1 answer
36 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 ...
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  • 483
0 votes
0 answers
41 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 ...
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2 votes
1 answer
31 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'...
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  • 113
0 votes
1 answer
87 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 ...
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  • 123
0 votes
1 answer
59 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 |__|...
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0 votes
1 answer
40 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 ...
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  • 1,819
0 votes
1 answer
79 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 ...
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  • 1,369
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0 answers
38 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 ...
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  • 1
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1 answer
74 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 ...
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3 votes
1 answer
626 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 ...
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0 votes
1 answer
80 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 ...
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  • 299
0 votes
3 answers
77 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 ...
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  • 43
4 votes
1 answer
90 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 ...
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  • 2,190
3 votes
1 answer
106 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 ...
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1 vote
0 answers
38 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 ...
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  • 1,819
2 votes
1 answer
651 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 = ...
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  • 1,079
3 votes
1 answer
59 views

Why is my plugin not hooking into events?

I have a plugin that looks like this: class plgExtensionLogInstall extends JPlugin { function onExtensionAfterInstall($installer, $extensionId) { JLog::add("Extension installed: ".$...
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  • 239
0 votes
2 answers
101 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 ...
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1 vote
3 answers
66 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 ...
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  • 13
2 votes
1 answer
110 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::...
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0 votes
1 answer
81 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! ...
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3 votes
1 answer
143 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 ...
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0 votes
0 answers
110 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 (...
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  • 647
1 vote
1 answer
80 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 ...
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1 vote
1 answer
92 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 ...
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1 vote
1 answer
49 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 ...
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  • 23
1 vote
2 answers
502 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 ...
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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 ...
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  • 173
1 vote
1 answer
144 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 ...
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  • 63
0 votes
1 answer
171 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::...
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2 votes
1 answer
254 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() { ...
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0 votes
3 answers
306 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 ...
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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 ...
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  • 610
2 votes
1 answer
22 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 ...
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  • 121
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 ...
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  • 153
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 ...
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  • 273
1 vote
0 answers
287 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 ...
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  • 292
4 votes
1 answer
415 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> ...
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  • 292
0 votes
1 answer
99 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 ...
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  • 161
2 votes
2 answers
2k views

How to leverage external JSON REST API in Joomla 3.5.1 after user login?

I need to integrate a Joomla website with a third party REST API. Let me try to clarify what I'm trying to do. Ideally when a user logs on to the Joomla website once they authenticate they will also ...
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3 votes
2 answers
454 views

Simple Joomla plugin doesn't work

I'm new to Joomla. The first time I create a plugin. I am trying to create a new plugin, but it does not work. Events did not react. Joomla version 3.4.8. PHP 5.6 My Code plgcontenttitlere.php ...
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5 votes
1 answer
121 views

onFinderCategoryChangeState event for com_finder in Joomla never fires

I am implementing a plugin for jdownloads to be used in the component smart search. To implement this plugin I have to use the event onFinderCategoryChangeState to actualize the state to the download ...
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2 votes
1 answer
44 views

Are there any events dispatched after a user's email confirmation in joomla 3.x?

I need to perform some actions after the user confirms their email accounts/registration. I have been looking for whether Joomla dispatches any events on registration confirmation but i still cant ...
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1 vote
1 answer
125 views

Why doesn't onUserAfterSaveGroup get triggered when editing groups as Administrator?

I'm having problems getting onUserAfterSaveGroup to fire on Joomla3.4.x I've published a system plugin and tested that it works using function onUserLogin(), but when I try to use function ...
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  • 2,330
1 vote
1 answer
172 views

What Joomla events are triggered when a usergroup is changed?

I've been looking at Joomla 3.x plugin events to determine if a particular event gets triggered when a user's usergroup is changed. Update-specifically I've been trying to detect an event that is ...
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  • 2,330
1 vote
1 answer
35 views

How to execute custom php/mysql code after a user successfully logs in?

After a user logs in, I want to call a little mysql program. How and where (in what module eg. mod_login) do I place the code?
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