Questions tagged [component]
Components are the main functional units of Joomla!; they can be seen as mini-applications. An easy analogy would be that Joomla! is the operating system and the components are desktop applications.
531
questions
40
votes
6
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34k
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What is the proper way to make an AJAX call in component?
I am developing a custom component for Joomla! 3.x and want to make an AJAX call inside it to retrieve some data. What is the proper way to do it?
- 4,132
24
votes
1
answer
8k
views
How to save Custom Fields in Core components
I'm trying to add a single, simple field to each #__content item, and I've very carefully followed the tutorial at Adding Custom Fields to Core Components, substituting "content" for "contact". I now ...
- 7,705
23
votes
4
answers
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Joomla 3.x extension development tutorial for a beginner developer
I worked extensively in Joomla 1.0.15 version and developed multiple extensions. Also, I continued my developed in Joomla 1.5.x
But, my developed discontinued after this release. Now, I want to start ...
- 333
13
votes
3
answers
4k
views
Best method to check if a component is installed/enabled?
Between joomla 2.5 and 3.x what is the best way to check if another component is installed and/or enabled? There exist a helper class called JComponentHelper but I believe the isEnabled function will ...
- 897
13
votes
1
answer
4k
views
Adding drag-n-drop ordering in component
I've developed a small component based on the Joomla Hello World tutorial, and now I would like to implement the same drag-n-drop reordering that many other Joomla components include:
By sorting by ...
- 1,178
12
votes
7
answers
1k
views
Joomla Component Tool or Scaffold?
I have created a couple of plugins for Joomla 3.2 and have recently started on a component to manage apartment rentals. I was wondering if there is a framework out there that had the basic file/folder ...
- 318
12
votes
2
answers
1k
views
How to test a Joomla 2.5 component
I've asked this question on StackOverflow, and it was suggested that I ask it here.
I'm familiar with unit/system/integration testing, and would like to be able to test my Joomla component. Is there ...
- 223
11
votes
9
answers
6k
views
How to create page only with modules and no component?
In joomla, I need to link every page to a component view. How can I create a page with no component output on it?
Example : On my home page I only want a module output. For this, I can link the home ...
- 1,373
11
votes
2
answers
5k
views
Add a custom button to a core backend component
Is it possible to add a custom button (with a custom action, of course) to the JToolbar of a standard Joomla 3 component (com_contents) without modifying the original source code?
Background: I need ...
- 419
11
votes
2
answers
159
views
How do I add an article to #__content from my component?
My component needs to add articles from the front-end in a non-conventional way. I realize I can just insert them with MySQL, but I'd like to use the core functions to do so (if it's possible).
...
- 401
10
votes
2
answers
6k
views
How can I use a model of other component in my component?
I'm building a component and It needs access the #__content table. The component com_content does everything that my component needs to do in that table. How can I import the com_content models into ...
- 807
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votes
2
answers
4k
views
Adding joomla's default toolbar in a component view page
I am developing a mvc component for both joomla 2.5 and 3.In many components i saw they added joomla's default command buttons like new, edit, publish, trash, options at top of their settings page in ...
- 1,341
10
votes
3
answers
1k
views
Prevent error message from showing SQL
In my table I have created an index on 'col1' to prevent duplicate entries which works well but the resulting error message displayed to a user when they attempt to add a duplicate entry seems to to ...
- 499
10
votes
1
answer
428
views
Adding Tags Functionality To Existing Component
I'm looking to get tags working inside of an extension. I saw this and have gotten the field to appear in the edit view, but of course it doesn't save anywhere.
Looking at com_content article tag ...
- 422
9
votes
4
answers
10k
views
Custom Component - Need to verify if user is logged in
I'm developing new MVC custom Joomla component (com_helpdesk) and need to verify if user is logged in to site. If not then it should redirect to the login page with "return" parameter. Could someone ...
- 1,292
8
votes
1
answer
13k
views
How to create a view with filters and pagination
I want to create a view with filters and pagination for Joomla 3.x, but I'm not sure about what I have to include and where.
For now, my model extends JModelList and I started using the getListQuery(...
- 317
8
votes
3
answers
16k
views
How to get menu parameters and itemid in component controller
In my custom component controller I have function save(). At the end it displays message and redirects to url
$this->setMessage(JText::_('SOME_TEXT'));
$this->setRedirect(JRoute::_('index.php?...
- 91
7
votes
3
answers
15k
views
How to get the intro image of a joomla article
I am trying to customize the the category list of my website. So I have a menu option that shows the list of all article is a certain category. In this list I would like to show the into image of the ...
- 71
7
votes
3
answers
931
views
Standard CSS classes / id naming conventions
When building a custom component, and while designing the layout file to render the view, I'm having difficulty determining what CSS classes / id's to use in my HTML elements to ensure it takes ...
- 375
7
votes
1
answer
8k
views
Best way to include helper class in sub-controller : require_once or JLoader
I have created a helper file test.php as following:
administrator/components/com_compname/helpers/test.php
class TestHelper{
//class methods
}
In controllers/subcontrollername.php
We can use ...
- 1,375
7
votes
2
answers
4k
views
How to call a model method from a system plugin?
I have a component ('com_foo') which has a model called 'foobar'. The class declaration is like this:
class FooModelbar extends JModelItem
This class has a public method called getFooBar().
I also ...
- 1,105
7
votes
2
answers
3k
views
What is the recommended way to structure a Joomla 3 custom component view using angularJS?
There is very little information out there from users who have successfully integrated angular js in a joomla custom component list view. I found the following:
https://stackoverflow.com/questions/...
- 365
7
votes
1
answer
346
views
Understanding mvc way of component coding for both joomla 2.5 and 3 version
I made a component in joomla 2.5 in mvc way which was not working in joomla 3, later found out it's because in joomla 3 previous mvc classes not working so is controller, view, model classes must be ...
- 1,341
7
votes
2
answers
202
views
Errors de-crypting libsodium encrypted values from database
I've been implementing some encryption at rest in one of our Joomla components, but keep getting a couple of errors when de-crypting the values when they're written and read from a database.
So I ...
- 716
7
votes
1
answer
3k
views
How to create a repeatable xml form field feature?
I am building a custom component and all is good. I thought I would have a go at the new 3.2 repeatable xml form field feature. Although I have it working I don't quite know how to save the data.
It ...
- 155
7
votes
2
answers
4k
views
Get full link from menu item field type
I am developing my own slideshow component and module for Joomla. The component is used to select the slides along with captions and links etc. The module shows the slides.
In the component, for each ...
- 626
7
votes
1
answer
253
views
Joomla! CMS Component with Joomla! Framework?
I'm curious about building CMS components on top of the Joomla! Framework mainly because I would like my components to function as standalone applications.
Is this doable without hacks? If not, is ...
- 375
7
votes
1
answer
3k
views
How should I use view.raw.php properly
I'm trying to add a custom JToolbar button to my list view that will export the list contents to excel. I created a new task in my list controller to render the raw view class in a file called view....
- 499
7
votes
1
answer
2k
views
JUri::base() issue, losing subdomain
There is a chance this is a bug, but I am pretty sure I must be overlooking something.
Basically JUri::base() is removing the subdomain path, this is in siteground with its Joomla staging enviroments,...
- 2,856
7
votes
1
answer
3k
views
Pagination confusion - Pagination uses start, PopulateState uses limitstart?
I'm a bit confused.
When I look at the link created by pagination in the front end, I see a query parameter called start included in the individual page number links and Start and End links.
...
- 195
7
votes
1
answer
978
views
JEvents change "Latest Event"-Module align
Is there a way to change the alignment of the latest events of JEvents to horizontal instead of vertical?
Maybe in the div class="jeventslatest"?
This should be vertical aligned.
- 325
6
votes
4
answers
13k
views
How can I set the page title from a component
I have built a 3.x component using Component-Creator.com and I want to be able to set the page title to the item heading (taken from the component itself). I have tried the following code but it's not ...
- 2,066
6
votes
2
answers
461
views
Structure folder of sql files in my component
What folder should I put my sql files in my component for joomla execute them automatically?
If in the first version I created a table and in later version I want to change, how should I organize that ...
- 807
6
votes
2
answers
1k
views
Site Vulnerability Check
With the recent security announcement regarding SQL injection, I was wondering what I could do in order to 'review' my current Joomla sites, and ensure none of them have been compromised.
Apart from ...
- 3,563
6
votes
3
answers
3k
views
Programmatically Add Menu Item in Component
I am trying to create a component where the user can add a menu item to an existing Menu after creating the article (or selecting from a list of article). The closest I could come across to an example ...
- 1,105
6
votes
4
answers
7k
views
Date/time picker in component
In my custom component, I need to enter date and time.
Joomla's standard calendar-element supports a date picker - but no time picker.
Can anyone help me and point me to an alternative date and time ...
- 1,662
6
votes
2
answers
6k
views
What's the purpose of $this->get('Item') in Joomla view.html.php example file?
I refer to the code below, presented in Developing a MVC Component - Front End Function Example:
class HelloWorldViewUpdHelloWorld extends JView
{
// Overwriting JView display method
function ...
Joppo
6
votes
2
answers
964
views
Override a component view for a specific menu item
How can I override the component view for a specific menu item?
For a global overwrite I can use template/html/com_xxx/.
But how can I do it only for a specific menu item?
Example :
Joomla! has a ...
- 644
6
votes
3
answers
709
views
Website speed is awful
I work as an apprentice web developer who has been left in charge of the web team (all of my colleagues have left) and have been left with an impossible task.
We have a 10-core Windows server, with ...
6
votes
2
answers
3k
views
How to use a custom layout with JForm subform fields?
I want to reuse some forms in my component. The subform field does the job. However, I need to remove some fields and/or field groups when displaying the subform.
I tried to use the JForm methods ...
- 418
6
votes
1
answer
4k
views
How to use com_api plugin for REST?
I have installed the com_api component and plugin from the official site for REST calls. I should authenticate user login with a web service at another domain using REST POST. How should I do it? I ...
- 61
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votes
4
answers
3k
views
Proper folder structure for custom component
I'm trying to use the joomlatools joomla-console in a new project. However, I can't use the symlink functionality because of my directory structure.
In the past I've always built components with a ...
- 1,119
6
votes
1
answer
2k
views
Get all installed Joomla extensions and their version
I'm not really familiar with Joomla, but I need to write a script that is supposed to list all the installed extensions and their version number, if possible. I've already done this for WordPress, ...
- 163
6
votes
1
answer
2k
views
Redirect to previous page after login in custom component
I want redirect users after login Current link in joomla 2.5 custom component I use this code but after login i have error 500
$user =& JFactory::getUser();
$mainframe = ...
- 213
6
votes
1
answer
357
views
Empty tag is replaced with unicode replacement character
I'm saving rich texts from my custom component. It uses wysiwyg editor. Therefore there are html codes also.
<table>
<tbody>
<!-- More here -->
<tr>
<td colspan="5"> &...
- 387
6
votes
2
answers
148
views
Joomla Component Development: Starting Point
So, basically, I've developed an application that gets the data from the database, processes it and then displays it on a webpage and now I need to integrate it with joomla. I've read about MVC ...
6
votes
1
answer
66
views
Can components / non-plugins react to events?
Is it possible for components to react to events - i.e. in some way become an observer to plugin events?
- 2,295
6
votes
1
answer
85
views
Components: What is the purpose of the option_on and option_off fields in models > forms > viewname.xml?
In a Joomla 3.x component, a parameter that's frequently listed in the MODELS > FORMS > VIEWNAME.XML file is option_on or option_off.
For example;
<field
name="something_amazing"
type="...
- 300
5
votes
2
answers
7k
views
Available fields in Joomla XML manifest
When developing an extension, what are the form field types I can use in Joomla?
- 13.3k
5
votes
3
answers
5k
views
How to set get('Items') limit?
By default, populateState seems to limit a call to any model's get('Items') function to 20 items.
How can this be overridden - by re-writing populateState? By writing a separate function in the model?...
- 2,295