Questions tagged [custom-component]
For questions related to custom component development
282
questions
5
votes
1
answer
1k
views
Joomla Terminology: view, layout, task and component development
I'm a developer and I am very confident with MVC patterns and have already developed a lot of web apps from scratch using PHP frameworks like symfony and yii. However, I'm a little bit confused about ...
- 153
5
votes
1
answer
493
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 ...
- 4,781
5
votes
1
answer
423
views
Joomla custom session data is overwritten
I'm writing a custom component cart, and using a form post to save cart data in the Joomla session.
It works initially, but then if the user goes back to add another item, the original item is ...
- 642
5
votes
2
answers
261
views
Redirect after completing the package installation
I got a package that contains few extensions. I want to redirect to my custom view once the package installation is fully complete.
I thought of trying via installer script using the postflight ...
- 2,721
5
votes
1
answer
2k
views
How to set name for Administrator Menu Section of a Component?
According to Developing a MVC Component/Developing a Basic Component, proper place of setting Menu Section name is helloworld.xml file. Particularly
<administration>
<!-- Administration ...
- 151
5
votes
3
answers
770
views
Custom component: Export items to CSV -> Changing searchbar causes a new download
I would like to export all selected items from the items-view of my component.
To do so I modified my view and inserted a new button to the
JToolBarHelper::custom('items.exportcsv', 'download', '', ...
- 677
4
votes
3
answers
688
views
New files in Joomla 4 components
In Joomla 4 there are new files in the components, like:
services/provider.php
Extension/XxxComponent.php
Service/HTML/AdministratorService
Are there available documentation about how to implement ...
- 237
4
votes
1
answer
1k
views
with insert on duplicate key update - updating multiple rows at once
With latest joomla version I try to achieve one query to the database and updating multiple rows at once.
I want to make a query like this:
INSERT INTO `tablename`
(`id`,`date`) VALUES
('79','2018-...
- 143
4
votes
1
answer
94
views
Extension manifest to set version as 3.4 or greater
As per the link here the version can be either 2.5 or 3.0. But my requirement is to have the version anything greater that 3.4 in 3.x series.
How this can be done? Should I go via scrip file? Or is ...
- 2,721
4
votes
1
answer
680
views
How can include the component view in plugins
I have custom component and plugins and listing some details in table after click on the table i'll go to details page. i want show the one of details in article, so i created a custom plugins and got ...
- 83
4
votes
1
answer
1k
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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 ...
- 179
4
votes
2
answers
2k
views
Subform multiple data not saving
I'm trying to use the Joomla subform field with multiple="true" on (instead of using the old modal repeatable method).
My problem is that the data is not saving to the database.
I have read multiple ...
- 63
4
votes
2
answers
454
views
Standalone PHP calling Joomla APIs
I am writing a cronjob (cron.php) which will have to run under the Joomla root folder which call Joomla functions like JFactory::getDbo().
I have the following code in cron.php
define( '_JEXEC', 1 );...
- 2,721
4
votes
1
answer
3k
views
'JEventDispatcher' is deprecated in Joomla 4 and what is the replacement
I am using the below code in my current Joomla custom component
Joomla\CMS\Plugin\PluginHelper::importPlugin('captcha');
$dispatcher = JEventDispatcher::getInstance();
$res = $dispatcher->trigger('...
- 2,721
4
votes
2
answers
425
views
Front End Management of Joomla Users
Joomla 3.9.20
I know there's no default way of managing Joomla users on the front end (a huge drawback of Joomla imo). There appears to be some commercial extensions and components that do this, but ...
- 3,593
4
votes
2
answers
508
views
Joomla 3.9.1 publish/unpublish no longer working (custom components)
I've recently upgraded my joomla site to 3.9.1, and now my custom components publish/unpublish buttons aren't working and I can't figure out why. The database column is called "state" and this is the ...
- 185
4
votes
1
answer
220
views
How to change styling of Joomla Collapsible Sidebar in Backend?
I have created sidebar for my custom component by using the documentation -
How do I apply JHtmlSidebar to add a sidebar to my admin view?
I have to add some styling to the Joomla Collapsible ...
- 1,801
4
votes
1
answer
148
views
How can I clear the cache for the params of a custom component?
I am working on a custom component and it works as intended as long as I do not have cache enabled.
In the admin section of the component, I have a view that can change the "component params":
$...
- 239
4
votes
3
answers
565
views
How can I have multiple layouts for a View that are available as a menu option such as &layout=xxx?
I need to be able to specify different layouts of the same View by way of the Menu item, resulting in a url having &layout=blahblah appended. - NOT using a template override.
i.e.: index.php?...
- 7,715
4
votes
1
answer
595
views
Joomla and Eventbrite Integration
I am looking for a way to integrate Eventbrite with Joomla. I want to show a list of upcoming events that I have created. There are a number of default widgets available with Eventbrite (copy / paste ...
- 3,593
4
votes
1
answer
443
views
How to implement drag-and-drop ordering in custom component?
I'm developing a custom Joomla component for an application and would like to implement drag-and-drop ordering in a list view on the admin site.
I found an excellent guide here: Adding drag-n-drop ...
- 153
4
votes
1
answer
123
views
Custom Component Caching
I have a custom realty / information component written for a military related website. There are roughly 220 military installations that are covered by my component and for each installation I am ...
- 1,812
4
votes
1
answer
118
views
How does a custom component trigger the SmartSearch indexing?
After many months, I've had to come back to a component that was well under way, which I thought was automatically indexing the data I was saving as it was saved. As I'm re-familiarizing myself with ...
- 7,715
4
votes
0
answers
633
views
(4.1 -> 4.2) Attempted to load class TemplateComponent from namespace Joomla\Component\Administrator\Extension calling $app->getTemplate
I have a file test.php that manually loads the Joomla framework and prints template parameters.
<?php
// test.php, located in the same directory that index.php is
define('_JEXEC', 1);
define('...
3
votes
1
answer
864
views
'getErrorMsg' is deprecated in Joomla 4 and what would be the equivalent
In my custom Joomla component, I got the below code
$db = Joomla\CMS\Factory::getDbo();
//some code
if (!$row->bind($this->_formdata)) {
if($db->getErrorMsg()){
//do some code
}
...
- 2,721
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 ...
3
votes
1
answer
2k
views
How to use HTMLHelper to add to the document head
In this post: How to add CSS/JS/an Image to a module backend @lodder shows me how to use HTMLHelper to add CSS and JavaScript.
Previously I had followed the Joomla! documentation https://docs.joomla....
- 1,889
3
votes
2
answers
700
views
How to query and display a list of nested tags for a particular parent on front end as links?
What is the best way of querying the db to generate a list of tags matching a particular parent and display on the front end as a link with tag title and id?
This is for a custom joomla mvc ...
- 365
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 ...
3
votes
1
answer
74
views
Proper Way to Migrate Custom Website to Joomla
Background:
Thirteen months prior to this question, I voluntarily updated http://evangelismmission.com to its present state and design. Since that point, I have been maintaining it for Evangelism ...
- 131
3
votes
1
answer
108
views
What is the prefered method for sharing code and SQL queries in joomla 3.9+?
I'm developing a component that is targeting Joomla 3.9+. The code is not using the legacy classes and is instead using the new namespaces. The component will duplicate much of the functionality from ...
- 418
3
votes
1
answer
325
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="...
- 19.6k
3
votes
2
answers
267
views
How to decide developing a front-end or back-end component?
As we (two volunteers) are going to develop a component with some features mirroring (part of) the processes going on in the (non-profit) foundation, I was wondering if there would be a rule of thumb ...
- 253
3
votes
1
answer
92
views
Component getList cache not loading/saving
I've built a custom component, and I'm trying to make it a bit faster, and while I was rooting through model core files I saw that their getItems() uses a caching to reduce DB queries:
$store = $this-...
- 338
3
votes
1
answer
78
views
Make a checkbox group disappear
I am using BreezingForms and I have a checkbox group that look for files into my database. It is possible that there is no item to select in the database; at this moment, I want the checkbox group to ...
- 131
3
votes
1
answer
286
views
Can I access/use Joomla's Smart Search results in my custom component?
Is it possible to call the Smart Search "engine" from a custom component, hopefully with AJAX?
Our component has an exhaustive amount of content that needs to be searched from within the component ...
- 7,715
3
votes
3
answers
2k
views
JToolBar custom button error
I'm working on my own component and i'm trying to add a custom button to my admin view that calls a task.
In view.html.php
protected function addToolBar() {
JToolBarHelper::custom('...
- 53
3
votes
1
answer
33
views
Is there a functional reason for the naming convention for custom actions?
I'm writing a component for which I'd like to implement some additional restrictions on actions. For example, I want administrators to be able to view user details, but restrict some sensitive ...
- 33
3
votes
1
answer
257
views
How to send data with save2copy button?
I'm developing a component.
I want to have the save as copy button appear next to each element on my front end list view.
I have copied the save as copy buttons html from the edit view of a single ...
- 513
3
votes
1
answer
152
views
Custom Component with ACL not apearing in admin menu
I have been asked to help maintain a custom component that has already been installed on a server, but had no ACL.
I followed the sample tutorial in adding both XML files (Access.xml and config.xml) ...
- 33
3
votes
1
answer
829
views
Chosen on AJAX content
I am working on a site (custom component and template) where I want some links to have their content shown in a popup. The popup itself seems to work fine, but I noticed the select boxes aren't ...
- 43
3
votes
2
answers
129
views
Change multi-language admin panel setup
I am new to Joomla. I want to create a multi-language website using Joomla CMS.
I followed the instructions at https://www.templatemonster.com/help/joomla-3-x-configuration-multilanguage-site.html#...
- 131
3
votes
1
answer
83
views
Caching a component's view for less than a minute
I have a component which has a feed. This feed updates constantly, pulling information from external sources. To reduce pressure on my server at high traffic periods, I want to give the generated feed ...
- 3,072
2
votes
2
answers
272
views
How to create a (better) development environment for Joomla 4
I have been writing a custom joomla 4.x component. It's not working. But rather than getting people here to debug my code I want to know how to set up a proper development environment that will give ...
- 371
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 ...
- 65
2
votes
1
answer
186
views
Select articles to display in custom component
I have a custom component where I was to be able to select other articles to show in the frontend. I have thought the best way to do this would be through the SQL field.
This is good that it gives me ...
- 2,076
2
votes
1
answer
653
views
Can I add class attribute in JHTMLGrid?
I am trying to add class attribute in the checkboxes.
https://docs.joomla.org/API15:JHTMLGrid/id
I read the documentation but no luck today :(
Please check the image (Thats just an example)
So ...
- 1,801
2
votes
2
answers
1k
views
Component language file is coppied but does not work
I am just trying to create backend component and I can't get the language file to work.
This is my xml manifest (the important part):
<media destination="com_displaygroups" folder="media">
&...
2
votes
2
answers
691
views
Check a form field for duplicates before saving
I have a custom component where the user can add some data. Here are the two relevant fields:
<field
name="title"
type="text"
label="Title"
description="Please enter a title"
...
- 1,105
2
votes
1
answer
139
views
How does a custom component store config.xml information
I've been developing a custom component on Joomla 4 for a few months now and I've finally got round to working on the access and permissions side of things. Whenever I try to access the Options for my ...
- 175