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
10
votes
Accepted
Best way to include helper class in sub-controller : require_once or JLoader
Actually JLoader::register('TestHelper','/path/to/test.php'); dosen't load file, it just registers it to be able to autoload file if class is instantiated.
Do require it instantly, you want to use:
...
- 3,208
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 ...
- 3,299
6
votes
Accepted
Component Download (from a live site)
Yes, it is possible with a component, but it will take a little longer as there are more directories and files.
Create a folder on your desktop (e.g "gallery"), then copy the XML file from:
...
- 26.9k
6
votes
How to use com_api plugin for REST?
In the context of a REST Api, each call is stateless. So, there is no "user login".
In a Joomla site, when a user is authenticated, the browser receives a cookie to authorize the navigation and ...
- 7,435
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
Site Vulnerability Check
The best tool I am aware of that can scan your whole web account is the one from Phil Taylor at https://mysites.guru (formerly https://myjoomla.com).
This is a paid service but you are not locked ...
- 8,011
5
votes
Site Vulnerability Check
These are the tools I use
JOOMLA EXTENSIONS
Watchful.li: similar to myJoomla.com and also monthly
https://watchful.li/
RSFirewall: Has the best scan for malware and files that do not belong in ...
- 1,901
5
votes
Accepted
How to call a model method from a system plugin?
This will work with ease in Joomla 3.x
//load model
JModelLegacy::addIncludePath(JPATH_SITE . DIRECTORY_SEPARATOR . 'components' . DIRECTORY_SEPARATOR . 'com_foo' . DIRECTORY_SEPARATOR . 'models');
/...
- 1,662
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)
{
// ...
- 3,299
5
votes
Accepted
How to execute an ajax script to update form fields in an .xml file rendered by Akeeba FOF?
You can use JSON format in the controller directly by adding .json suffix and changing format in your URL to json. In this case the controller would be placed in /administrator/components/com_example/...
- 10.9k
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
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
Accepted
Get all installed Joomla extensions and their version
Any extension that is installed, is stored in the database, in the #__extensions table. So you can run a simply database query to get the name and the manifest cache (which contains the version):
$db ...
- 26.9k
4
votes
Accepted
How to change styling of Joomla Collapsible Sidebar in Backend?
Well, as per my answer from the link you provided, you'll need to add the following to your default.php:
<div id="j-sidebar-container" class="span2">
<?php echo $this->sidebar; ?>
&...
- 26.9k
4
votes
How to call a model method from a system plugin?
To call a model from anywhere inside Joomla you can use this method
//Load the Joomla Model framework
jimport('joomla.application.component.model');
//Load com_foo's foobar model. Remember the file ...
- 237
4
votes
How to use a custom layout with JForm subform fields?
Edited to add subform field type-specific answer:
Having looked at it properly, attaching your own layout to the subform field type is super-easy.
Create a layouts folder in the same parent ...
- 492
4
votes
How to find the joomla page from url
You can find any url/Alias by searching it in the search box.
First go to the Menu manager and enter resource-downloads in the search box.
And if you didnt find it then you can go to the article ...
- 1,801
4
votes
Accepted
SQL syntax error when attempting to filter list view - how to build WHERE clause?
Try changing your query to the following:
$query->select('#__users_2679886', 'name')
->from($db->qN('#__users', '#__users_2679886'))
->where($db->qN('id') . ' = ' . $db->...
- 26.9k
4
votes
Accepted
Updating component language file without reinstalling it
The language files are loaded again (from their source) on each page load. You don't need to reinstall the component each time. Are you writing to the right file?
- 156
4
votes
Calling Joomla!'s Default 404 Page
In your Joomla installation directory reach templates/themeXXX/error.php file.
Edit the error.php file as shown below, locate this line of code:
If you don't want to change address bar url then you ...
- 411
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
Select articles to display in custom component
JControllerLegacy::getInstance() caches the first controller instance so you're actually getting an instance of your component's controller rather than Content controller. You can skip the controller ...
- 10.9k
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
3
votes
I need to change "Continue Reading " to "Read more" How to do?
You can override the "Read more" text in the admin section.
In the "Extensions" menu, choose the Language menu item.
Then choose "overrides" and click "new".
You can search for the constant you ...
- 533
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
Accepted
Installing a PHP based sig. banner generator
It sounds like you should be looking into making a Joomla module. It's fairly simple to build a basic module, and you can also make it as complex as needed.
In addition, the end user can publish the ...
- 13.3k
3
votes
Accepted
Usage of JLog in a component controller
It seems that the third parameter of JLog::add() is wrong. This parameter is a category and you have set it to 'com_tdsmanager' in JLog::addLogger(). So you should use the same in JLog::add():
JLog::...
- 4,142
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
Only top scored, non community-wiki answers of a minimum length are eligible