Questions tagged [model]
For questions regarding Models used in software to manage the data, logic and rules of the application.
79
questions
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
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
5
votes
2
answers
3k
views
How can I can get the new record ID after saving data with JModel?
We need to create a new usergroup for the installation of our component, and the below code saves the data just as expected. However, retrieving the ID of the Usergroup for later use "isn't working". ...
- 7,715
5
votes
2
answers
3k
views
How to show and save a form from module like we do in components?
I do display and save forms in Joomla MVC components using jmodeladmin classes.
But how can I do same thing from a module?
As modules don't do things in the MVC way that automatically can find the ...
- 1,351
5
votes
1
answer
557
views
Why does Joomla have both models and tables?
In classic MVC, you have models that loosely corresponds to the underlying database tables. Why would Joomla need both models and tables?
Edit
Some quotes from provided links:
In summary, the model ...
- 591
5
votes
1
answer
1k
views
Override com_users model function save
Is it possible to override the com_users save function?
This is what I tried so far...
<?php
echo JPATH_SITE.'/components/com_users/models/profile.php';
require_once JPATH_SITE.'/components/...
- 303
4
votes
1
answer
2k
views
Writing custom method to save form data
I am trying to find the preferred way to save form data using joomla API methods. I am trying to save data with an ajax-call. First i tried just calling the components standard save method, calling:
...
- 738
4
votes
2
answers
1k
views
Join an existing table with a generated table of dates and count rows for each date?
I would like to use this complex mysql query in my joomla model to generate a timeline and count entries within a specific date range.
My SQL Query is:
SELECT T.calendar, COUNT(DATE(M.date)) as ...
- 677
4
votes
1
answer
2k
views
Why we use getState() in select statement of query while retriving data in Joomla?
I'm learning Joomla Extension development and overriding getListQuery() method of a model that extends JModelList.
Now the problem is that we can retrieve a list of data from database using following ...
3
votes
2
answers
3k
views
What does JTable's bind function do and why it is useful?
When writing a view which either edits creates a record, the model extends admin model which requires getTable() and getForm().
Now the confusion is how the loadForm() function knows the number of ...
3
votes
3
answers
400
views
Dynamically removing single JForm option
I'm working on a small component and depending on $someoption I need to remove a certain option from the JForm. So for example if $someoption == 1 then I need to remove this option <option value="1"...
- 351
3
votes
1
answer
294
views
How checkEditId() method protect from direct edit a record
checkEditId() is very very useful fore security purpose as it protect our edit form from direct access.
but i don't know how it is implemented i check the edit() function of JModelAdmin and also check ...
3
votes
2
answers
489
views
A foreign key field not updating as NULL
I am having a field 'leavepack_id' in a table with the below table definition
CREATE TABLE IF NOT EXISTS `#__position` (
`position_id` int(11) NOT NULL AUTO_INCREMENT,
`leavepack_id` int(9) ...
- 2,731
3
votes
1
answer
3k
views
How to get the form of component from module?
I tried to get a component form from my module. I got the model and then tried to get the form, but the result was empty. I tried to define 'JPATH_COMPONENT' and it was useless.
define('...
- 183
3
votes
1
answer
95
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
2
votes
1
answer
967
views
Error when calling getItem method of external model
I'm using a model of other component in my component. I'm following this solution. But, when I try to call the getItem method of the model I get the error "Call to a member function load() on a non-...
- 807
2
votes
2
answers
703
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
3
answers
1k
views
Model not found when from a controller
In a controller, I am trying to load the model, but I have the following error:
Call to a member function getSearchURL() on bool
So the getModel() is returning false. This is the code of my ...
- 612
2
votes
1
answer
492
views
getListQuery: Get values from another method
I would like to extend my getListQuery-method. At the moment I choose data from mysql like this:
$query->select(*);
$query->from('`#__hero_invoices` AS a');
// Join over the invoice-data
$...
- 677
2
votes
1
answer
1k
views
How to load 3rd party component's model to my custom component?
I want to load 3rd party component's model to my custom created component. I tried following:
JLoader::import('joomla.application.component.model');
JLoader::import( 'manufacturer', ...
- 399
2
votes
2
answers
571
views
JModelList Group by Category
I have a Component with the following table:
+------------------+------------------+------+-----+---------------------+----------------+
| Field | Type | Null | Key | Default ...
user404
2
votes
1
answer
280
views
Redirect controller function on load, what function do I need to use?
I have a question, and I am a bit confused where i need to put this.
I have a controller which is mainly empty:
class ControllerProfiles extends Controller
{
public function &getModel($...
- 345
2
votes
1
answer
255
views
Sharing a model between two views in a component
I have one model I'd like to use for two different views. This is the only model these two views will require.
I'm subclassing Joomla\CMS\MVC\Controller\BaseController and I'd like to use its display ...
- 511
2
votes
1
answer
1k
views
Correct / Best way of calling model methods inside view.html.php
Which is the correct/best method of calling model methods inside view.html.php.
Method 1
$mydata = $this->get('MyData') ;
Method 2
$model = $this->getModel() ;
$mydata = $model->getMyData(...
- 2,731
2
votes
1
answer
1k
views
Saving JTable (in Component) fails when called from a module
Here is what I am try'n to do. I'm not sure which parts of the code I mite need to copy here, so let me start with some oversimplified pseudo-code to get going.
I have a main component (com_main) ...
- 419
2
votes
1
answer
482
views
From the model, how I can access the data retrieved in the view?
I'm trying to add some external information to a component, and it retrieves the data in view.html.php. Once it is retrieved, how can I use it the model? I've tried as many of the usual variables ...
- 411
2
votes
1
answer
790
views
ID of saved JModelForm
I am saving a model from controller as mentioned below.
$model->save($data);
My model save function looks as shown below.
public function save($data)
{
$id = (!empty($data['id'])) ? $data['...
- 176
2
votes
2
answers
108
views
How to remember User State settings when returnng to a Site View?
I have a fairly straightforward front end List display with pagination and headings that can sort columns and navigate to a different page number and everything works as expected. The URL for the page ...
- 4,301
2
votes
1
answer
69
views
Why are methods randomly placed in models as well as controllers in Joomla
I am quite new in Joomla. I have now understood the components, modules, templates thing and can also build modules and simple components.
But the one thing that has always confused me in Joomla is ...
- 123
2
votes
1
answer
411
views
Component in module. addModelPath doesn't seem to work
I am trying to display a component in a module which seems to work using this example
http://www.escope.cz/en/blog/94-how-to-load-component-in-a-module
I am now facing a problem where my model isn't ...
- 133
2
votes
0
answers
59
views
What to use: Table store vs. prepareTable
What is the reason a Joomla integrated component like contacts sets modified and modified_by while saving once in the prepareTable() method of the Model and also in the storeTable() method?
Is this ...
- 463
2
votes
0
answers
268
views
Joomla 4: ID state of last saved row not available via $this->getState($this->getName() . '.id')
So i have a strange effect when trying moving a MVC component of mine to Joomla 4. I could break it down to a very simple test.
If you look at the \libraries\src\MVC\Model\AdminModel.php file around ...
- 351
1
vote
3
answers
722
views
getUserState() return array where as getItem() return JObject
I am facing a problem with the function loadFormData where there is check whether to pull data from the session or from the table.
protected function loadFormData() {
// Check the session for ...
- 2,731
1
vote
1
answer
2k
views
Jmodel get articles of an attribute
I'd like to get articles of a certain attribute, how do I achieve it.
Below is a code I get to get an article of an id:
jimport('joomla.application.component.model');
JModel::addIncludePath(...
1
vote
2
answers
564
views
Model should load data from another table and create associative array
I would like to extend my learning-component that I'm writing. For this reason I'm creating a little ticketing-system which fetches mail from IMAP and saves attachments if they have a specific ...
- 677
1
vote
1
answer
336
views
How to use JDate / HTMLHelper inside model?
So I have this component (built with JCB) where I need to display a saved datetime from the db (without seconds, but that's not my focus right now). Because of some limitations, I cannot simply ...
- 685
1
vote
1
answer
53
views
Joomla getting items via model wrong data type
I'm trying to retrieve articles from a particular category to display it as a part of some module located on the homepage. So I set states for model and retrieved the items via:
$items = $model->...
- 125
1
vote
1
answer
424
views
Problems with ajax call in component
I am developing a joomla component.
I added a drag and drop uploader with ajax.
When a file is uploaded, a confirmation-mail should be sent.
I get the right item of the database with $id = $app->...
- 23
1
vote
1
answer
75
views
What is the proper way to handle models that use other models in MVC?
I'm developing my first component and I'm not sure how to best handle models that use other models from a design and implementation standpoint. For instance, I have a contact model (person or business)...
- 418
1
vote
1
answer
427
views
Structure to define filter_fields in JmodelList.?
when we extends JmodelList for handling list of data in our List_Model in construct function we define filter_fields in config array like
$config[filter_fields]=array('field1','a.field1','field2','a....
1
vote
1
answer
183
views
I want to display a form with the data added already
public function getLaymanLayout($id){
$form = $this->getForm();
$form->bind(0);
}
I still have a lot to implement and make it correct to the MVC rules.
I want to call a table from the ...
- 87
1
vote
1
answer
105
views
Adding multiple Models into a component.
in my component Centros I have the view and model for Hospitals, working fine.
I want to call a general model. general.php located in the models folder.
class CentrosModelGeneral extends JModelItem
...
- 123
1
vote
1
answer
601
views
Custom dynamic fields - SimpleXMLElement in model and data info fields
Good morning,
I have a question. I create my own fields in my own component. I'm using the "SimpleXMLElement" class. The form generates via getForm work perfectly:
$newfieldset = new ...
- 21
1
vote
1
answer
865
views
How to get xml form values in Joomla 2.x?
I'm working on custom Joomla MVC component for Joomla 2.x. I have a .xml file for custom menu item type. I need to get the value_field from it to tell the view what to show from database. I tried and ...
- 11
1
vote
1
answer
1k
views
Form-Validation in Frontend
I'm trying to get my component ready for frontend-action. There are some forms that are filled by the user - but of course I have some fields that need specific values (int, float, ...) and some ...
- 677