Questions tagged [model]
For questions regarding Models used in software to manage the data, logic and rules of the application.
60
questions
0
votes
1
answer
30
views
J4 -Custom Component - Router Unknown $pk in model
I've added Router Features today to my Custom Component - all works finde beside the fact that the $pk variable inside the model holds a curios value (202n) where 'n' is different for each element...
...
- 583
0
votes
1
answer
26
views
Differences in getting a model
What is exactly the difference between:
$model = \JModelLegacy::getInstance('Objects', 'MyModel');
and
$model = BaseDatabaseModel::getInstance('Objects', 'MyModel');
Is there some performance ...
- 383
1
vote
1
answer
43
views
Customizing 'Item Saved' message in custom component
I'm trying to find a way to customize the message displayed after a successful record has been saved in a custom component. Well not really the entire message, just the 'item' part. For instance if my ...
- 195
1
vote
0
answers
41
views
Ignore active filter states when getting items from ListModel
When trying to get all items from my list model inside a plugin, I use this:
$objects = $app->bootComponent('com_foo')->getMVCFactory()->createModel('Objects', 'MyModel', ['ignore_request' =&...
- 383
0
votes
1
answer
356
views
How can I use two models in my custom component view in Joomla4?
I need to use two models in a view for my custom component in Joomla 4.
I saw this post for Joomla 3, but it seems that there isn't getInstance() in the base Models anymore.
How I could do it ?
- 237
1
vote
1
answer
158
views
I want to display a form with the data added already
public function getLaymanLayout($id){
$form = $this->getForm();
$form->bind(0);
}
I still have a lot to implement and make it correct to the MVC rules.
I want to call a table from the ...
- 87
2
votes
0
answers
52
views
What to use: Table store vs. prepareTable
What is the reason a Joomla integrated component like contacts sets modified and modified_by while saving once in the prepareTable() method of the Model and also in the storeTable() method?
Is this ...
- 383
1
vote
0
answers
28
views
Retrieving state variables using Ajax in 3.10.4
I have a site which displays a directory of registered users on the frontend. I've allowed users to select topics of interests when they're registering. In the directory they then can search by names ...
- 195
2
votes
1
answer
195
views
Redirect controller function on load, what function do I need to use?
I have a question, and I am a bit confused where i need to put this.
I have a controller which is mainly empty:
class ControllerProfiles extends Controller
{
public function &getModel($...
- 345
1
vote
0
answers
25
views
Getting allready created component model instance in a module (singleton)
I have a module, that does some stuff and needs the data from the list model of my component. Everything is coded in MVC pattern using the Joomla framework.
When clicking on a menu item the list model ...
- 383
0
votes
2
answers
65
views
Run model function in view file to insert default value into sql
I am new to Joomla and received a half-done component. It is a mostly database-dependent component. The component consists of a SQL file that inserts all the data and is able to display it. I am ...
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 ...
- 598
0
votes
2
answers
38
views
Bring featured articles to the front of the articles retrieved by ArticlesModel
How can I bring the featured articles to the front of the articles array retrieved by the ArticlesModel?
I know I can change the ordering via this line:
$model->setState('list.ordering', $ordering);...
- 345
0
votes
1
answer
38
views
Add fields to the articles retrieved by ArticlesModel
In my module i get the articles via this way:
$model = JModelLegacy::getInstance('Articles', 'ContentModel', array('ignore_request' => true));
$model->setState('params', JFactory::getApplication(...
- 345
1
vote
0
answers
217
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 ...
- 341
1
vote
1
answer
285
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 ...
- 583
3
votes
3
answers
366
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"...
- 341
2
votes
2
answers
86
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 ...
- 3,587
2
votes
1
answer
218
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 ...
- 512
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
1
vote
1
answer
102
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
0
votes
1
answer
156
views
Is it possible to check if a method or function exists in the component controller?
I have a custom component that will be using various AJAX calls, based on outside settings.
How can I load "this" controller from the View or Model to determine if a method/function exists, i.e. PHP ...
- 7,715
1
vote
1
answer
50
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
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
2
votes
1
answer
405
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
1
vote
1
answer
590
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
5
votes
1
answer
542
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
0
votes
1
answer
926
views
How do I save Repeatable data in my component model?
I've used Repeatable fields in component Options in the past, and am now trying to use that field type in a Form within my component, but the values are not being saved.
Using Firebug, I can see that ...
- 7,715
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 = $app->...
- 23
0
votes
1
answer
325
views
Can a model display itself within the view of a different model?
This isn't a question about getting model data into another view. I can create a huge form with data from multiple models. But, is that necessary? Can a model display its view within the context of ...
- 418
1
vote
1
answer
848
views
How to get xml form values in Joomla 2.x?
I'm working on custom Joomla MVC component for Joomla 2.x. I have a .xml file for custom menu item type. I need to get the value_field from it to tell the view what to show from database. I tried and ...
- 11
7
votes
2
answers
4k
views
How to call a model method from a system plugin?
I have a component ('com_foo') which has a model called 'foobar'. The class declaration is like this:
class FooModelbar extends JModelItem
This class has a public method called getFooBar().
I also ...
- 1,105
1
vote
1
answer
75
views
What is the proper way to handle models that use other models in MVC?
I'm developing my first component and I'm not sure how to best handle models that use other models from a design and implementation standpoint. For instance, I have a contact model (person or business)...
- 418
0
votes
0
answers
1k
views
Model/Controller: get id of current item and use it in controller
I got a view in my component's frontend, which catches data from model using the ID of the element:
protected function populateState($ordering = null, $direction = null)
{
$app = ...
- 677
0
votes
1
answer
885
views
Insert value to custom field using getForm (setFieldAttribute)
I would like to add some data to a form field I declared in my forms.xml. This form field is a custom form field which is declared like this:
<fields name = "userdata">
<fieldset name = "...
- 677
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
1
vote
1
answer
2k
views
Joomla 3 Backend Pagination Showing Full Results Instead
I'm creating a new component and have followed the Joomla 3 MVC tutorial (details) but cannot get pagination to work. Interestingly, when I implement the HelloWorld component linked in that tutorial, ...
- 51
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(...
- 2,721
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
1
vote
2
answers
555
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
3
votes
2
answers
481
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) ...
- 2,721
1
vote
1
answer
476
views
Clear model state when saving new item
I am writing some code to upload a list of entries from a CSV file and process them. I am using a foreach loop to cycle through each of them, however, the save function of the model is pulling the ...
- 277
1
vote
3
answers
716
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 ...
- 2,721
1
vote
1
answer
126
views
Get installation-date of Joomla and/or of a component?
I would like to get the installation-date of my joomla-installation and/or of any component by writing a new method in a model of my component.
How could I solve this?
- 677
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
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
1
vote
0
answers
597
views
K2—load Items and Categories by ID
I am about to write a little plugin for K2 what enables the user to link Items/categories to items/categories. The backend part is working and I would like to load the items/categories in
public ...
- 377
1
vote
1
answer
426
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....
3
votes
1
answer
292
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 ...
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 ...