Questions tagged [model]
The model tag has no usage guidance.
43
questions
1
vote
1answer
40 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 ...
0
votes
0answers
22 views
Joomla 2.5 - Rollback on model save()
This is what I'm trying to do:
I save my item in the model, then I call a method that can throw an exception if something goes wrong.
If I catch the exception, I want to rollback, this is my ...
2
votes
1answer
53 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 ...
1
vote
1answer
39 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
...
0
votes
1answer
54 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 ...
1
vote
1answer
38 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->...
3
votes
1answer
68 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-...
2
votes
1answer
281 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 ...
1
vote
1answer
357 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 ...
5
votes
1answer
330 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 ...
0
votes
1answer
553 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 ...
1
vote
1answer
293 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 = $app->...
0
votes
1answer
259 views
Can a model display itself within the view of a different model?
This isn't a question about getting model data into another view. I can create a huge form with data from multiple models. But, is that necessary? Can a model display its view within the context of ...
1
vote
1answer
592 views
How to get xml form values in Joomla 2.x?
I'm working on custom Joomla MVC component for Joomla 2.x. I have a .xml file for custom menu item type. I need to get the value_field from it to tell the view what to show from database. I tried and ...
6
votes
2answers
2k views
How to call a model method from a system plugin?
I have a component ('com_foo') which has a model called 'foobar'. The class declaration is like this:
class FooModelbar extends JModelItem
This class has a public method called getFooBar().
I also ...
1
vote
1answer
61 views
What is the proper way to handle models that use other models in MVC?
I'm developing my first component and I'm not sure how to best handle models that use other models from a design and implementation standpoint. For instance, I have a contact model (person or business)...
0
votes
0answers
723 views
Model/Controller: get id of current item and use it in controller
I got a view in my component's frontend, which catches data from model using the ID of the element:
protected function populateState($ordering = null, $direction = null)
{
$app = ...
0
votes
1answer
440 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 = "...
2
votes
2answers
458 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
vote
1answer
1k 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, ...
2
votes
1answer
756 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(...
4
votes
1answer
669 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/...
1
vote
2answers
453 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 ...
3
votes
2answers
392 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) ...
1
vote
1answer
327 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 ...
1
vote
3answers
647 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 ...
1
vote
1answer
103 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?
4
votes
2answers
393 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 ...
2
votes
1answer
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', ...
1
vote
0answers
552 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 ...
1
vote
1answer
363 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
1answer
247 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
1answer
1k 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
2answers
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 ...
2
votes
1answer
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) ...
4
votes
1answer
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:
...
2
votes
1answer
455 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 ...
2
votes
1answer
726 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['...
2
votes
2answers
466 views
JModelList Group by Category
I have a Component with the following table:
+------------------+------------------+------+-----+---------------------+----------------+
| Field | Type | Null | Key | Default ...
5
votes
2answers
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 ...
3
votes
1answer
2k 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('...
2
votes
1answer
831 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-...
8
votes
1answer
4k 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 ...
