17
votes
Accepted
Adding drag-n-drop ordering in component
There are some prerequisites and you have to do some modifications to your view template. But you don't have to develop this feature all on your own.
Prerequisites
You need a column ordering of type ...
- 3,723
6
votes
Accepted
Programmatically Add Menu Item in Component
firstly - menu items are not put into the assets table, so this question is about a non-existent problem. The link provided in the question gives the correct answer for joom 2.5 and 3.x. but for ...
- 3,289
6
votes
Accepted
JLayout recommended usage
You can used Joomla's renderModal function to initiate a Bootstrap modal.
$name = 'myModal';
$html = '<a href="#modal-' . $name.'" data-toggle="modal" class="btn">Launch modal</a>';
$...
- 26.8k
5
votes
How to set get('Items') limit?
Like others have said - put this in the model's populateState function
$this->setState('list.limit', $limit); #limit=0 removes limit
$this->setState('list.start', $start);
But you must make ...
- 151
5
votes
Accepted
How to add a composer package without modifying the core composer.json file
I suspect that modifying Joomla's root composer.json file will come with Joomla 4. In the meantime, I think the best way to use composer packages is to include a composer.phar in a custom system ...
- 3,289
5
votes
How to reverse-engineer a 3rd party Joomla extension to clone it and to be able to make modifications to it?
Normally a template should deal with the layout and the presentational elements. Having said that, I have to say that I haven't seen any template (including quickstart packages) coming with ...
- 19.6k
5
votes
Accepted
Using external library with a component
If you're only ever using a library within a single component then there's no reason not to include it in a folder in the component - this is the way that distributed components will generally handle ...
- 3,289
5
votes
Component Development PHP Version Check
Lots of components have a check like that. Here's the top of admin tools core install script eg.
protected $minimumPHPVersion = '5.3.3';
public function preflight($type, $parent)
{
// ...
- 3,289
5
votes
Accepted
How is the relationship between template styles and menus stored in Joomla 3.x?
template_style_id column in #__menu table.
- 10.8k
5
votes
Accepted
Why is my plugin not hooking into events?
Plugin class name must match the plugin name defined in manifest file.
If you have this in the manifest:
<filename plugin="installer_log">installer_log.php</filename>
Then class name ...
- 10.8k
4
votes
Date/time picker in component
The only downside to @johanpw's solution is by using #datetimepicker2 that means this field type can only be used once. Good solution otherwise!
Instead try the following in your /modules/...
- 41
4
votes
Available fields in Joomla XML manifest
There is also one other neat trick - when using Radio buttons, you can add Bootstrap class and they will look nicer. Look for class attribute in this code:
<field name="some-choices" type="radio" ...
4
votes
Accepted
CLI command line script working locally but not on host
Have you checked that php5-cli is installed?
If it's not installed, you can run the following in command line to install it:
apt-get install php5-cli
or
yum install php5-cli
- 953
4
votes
The safety of direct SQL-requests in Joomla templates/views
Joomla is built on the MVC design pattern, so querying the db from a view is bad practice. But with your scenario, let's consider a few alteratives:
changing the model: this makes no sense: you can't ...
- 941
4
votes
Question/Advice about PHP code development in Joomla!
*First of all, it is generally a bad idea not to use HTTPS when dealing with sensitive data. Also storing the data itself in the database without any encryption may later lead to a leak. You should be ...
- 3,650
4
votes
Accepted
How to automatically create the installation zip archive of a Joomla extension?
You can try a (free) component called JDeveloper. It's mainly for extension development, but it also has a function to create and download a zip-file from any existing Joomla extension. Just install ...
- 13.3k
4
votes
Accepted
Get Title from ID
You could try something like the following:
public function onYOURFUNCTION($context, &$article, &$params)
{
$id = JFactory::getApplication()->input->getInt('id');
$load = $...
- 26.8k
4
votes
How to use Github as an auto-update deployment server for Joomla 3.x extension
Have a look at the Weblinks repo
It does exactly what you want to do.
The updateserver points to the manifest hosted on that repo.
Download packages are served from the repo as well.
Of course you ...
- 5,557
4
votes
Accepted
Errors de-crypting libsodium encrypted values from database
This works fine with a simple encrypt then decrypt, like...
...but when I write to a database and read back, I get the errors mentioned above.
This is actually expected behavior, because the ...
4
votes
Accepted
How to write a query with GROUP BY and ORDER BY using Joomla's query methods?
I see minor typos in each of your coding attempts (misspelled method names: selcet and loadObjectLsit).
Write the GROUP BY order like so: (Reference Link)
SELECT id, DATE_FORMAT(estEventDate, '%b %Y'...
- 4,781
4
votes
Accepted
What is the different between JPlugin and \Joomla\CMS\Plugin\CMSPlugin
JPlugin is an alias of Joomla\CMS\Plugin\CMSPlugin. It is the same thing at the moment, but one should start using fully qualified class names because all aliases in Joomla! are deprecated and will be ...
- 10.8k
4
votes
Coding Standard Question - defined( or \defined(
I asked this on the Joomla! internal development chat and was told the second one is the optimised version currently in namespaced files.
Richard, a lead Joomla! developer wrote "Backslash makes ...
- 128
4
votes
Accepted
How to remove a file from a template using the installer?
You have to create an installer script. The provided generic installer, Joomla\CMS\Installer\InstallerScript, has some functionality for removing files and folders so you could extend it.
Create a ...
- 10.8k
4
votes
How to create a (better) development environment for Joomla 4
I've not used Docker so I can't help with that, but I have xdebug set up on my local environment in combination with PHPStorm and that is a big help in enabling me to figure out why something's not ...
- 175
3
votes
Accepted
State set to 0 after parent::publish
You are calling parent::publish(). This method has an array which maps tasks to states (line 190):
$data = array('publish' => 1, 'unpublish' => 0, 'archive' => 2, 'trash' => -2, 'report' =...
- 3,723
3
votes
Apply the same code on PHP to content of component and each module
There are a variety of ways on how to modify Joomla content with a plugin:
A component may call the plugin mechanism, for example com_content uses the "onContentPrepare" event. You can use this to ...
- 953
3
votes
What does $context parameter of content plugin mean?
The $context parameter can be used to define if your plugin should run or not under certain circumstances. For example, you might want your plugin to run when displaying category blogs, but not when ...
- 13.3k
3
votes
What is the proper way to make an AJAX call in component?
You can access a controller directly by using the controller name in the task:
index.php?option=com_similar&task=controller.abc&format=raw
will call: controller.raw.php (return is raw)
...
- 1,180
3
votes
Accepted
Joomla Component Development: Starting Point
Legacy MVC will be supported until EOL of Joomla 3 (at least). I would just go ahead and use that. You will find many tutorials for legacy MVC and you will probably get the most help for that here or ...
- 3,723
3
votes
Question/Advice about PHP code development in Joomla!
An extension like "Chronoforms" helps a lot. You can create forms and questionnaires, connect to the database, work with PayPal, divide the whole form into pages and send e-mails!
- 31
Only top scored, non community-wiki answers of a minimum length are eligible