Re: Jtoolbarhelper HELP

[Glenn Arkell]

Hi Seeward,

The only thing I can suggest (still learning MVC myself) is to change the "protected $view_list = 'courses';" line in your controller to

    function __construct() {
        $this->view_list = 'courses';
        parent::__construct();
    }

Give this a try.  I'll be watching to see what others may suggest which will assist my learning also.  Cheers.

Glenn

On Wednesday, February 13, 2013 2:34:57 AM UTC+11, seeward wrote:

I am rather new to Joomla development and have been slowly working on a simple MVC Component. All was going well until I began to try to edit data from the database. The SAVE and CANCEL buttons do not do anything when clicked.

I have an edit view:
Code:
<?php
defined( '_JEXEC' ) or die;

jimport( 'joomla.application.component.view');

class CoursesViewCourse extends JViewLegacy
{
   protected $item;
   protected $form;

   public function display($tpl = null)
   {
      $this->item = $this->get('Item');
      $this->form = $this->get('Form');

      $this->addToolbar();

      parent::display($tpl);
   }

   public function addToolbar()
   {
      if ($this->item->course_id) {
         JToolBarHelper::title(JText::_('COM_EXPLORE_EDIT_ACTIVITIES_TITLE'));
      } else {
         JToolBarHelper::title(JText::_('COM_EXPLORE_ADD_ACTIVITIES_TITLE'));
      }

      JToolBarHelper::save('course.save');

      JToolBarHelper::cancel('course.cancel');
   }
}

Then I have a controller called 'course' as above attached to the JToolBarHelper::save and ::cancel functions:
Code:
<?php
defined( '_JEXEC' ) or die;

jimport('joomla.application.component.controllerform');

class CoursesControllerCourse extends JControllerForm
{
   protected $view_list = 'courses';
}

I am able to pull in the data from the database when I click on an individual item in the 'courses' view but the button dont function whether I am editing or creating a new record. If I am correctly understanding the syntax then the JToolBarHelper is a method within the JControllerForm class. So I don't need to add any functions to the ::save and ::cancel because they are part of the parent class. Is this correct?

Any advice on what I may be missing?

Thanks,

seeward

[Olivier Nolbert]

Hi Seeward,

You're right, you don't have to declare the save() function as it's declared in the JControllerForm class and it's not abstract.

What you could do to test is to declare it just to try it's called by your code :

public function save($key = null, $urlVar = null)

{

#Some code that raises error or displays debug info#

}

You could also check if there's no JS error on save button click.

Olivier

2013/2/12 Glenn Arkell <glenn...@gmail.com>

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[Christian McCabe]

Thanks for the feedback gentlemen!

I am getting this error in the console when I click one of the buttons:

Uncaught TypeError: Cannot read property 'task' of null

I guess it's javascript? Looks like the button's are not firing off their tasks?

Don't know where to turn now...

Kind Regards,

Christian McCabe

[Rune V. Sjøen]

You need to wrap it all in a <form> with id/name="adminForm" and which provide a <input type="hidden" name="task"/>

Take a look here for an example.

https://github.com/rvsjoen/joomla-tutorials/blob/master/part09/admin/views/helloworlds/tmpl/default.php

The toolbar buttons attempt to submit that form with the task specified in the button.

- Rune

2013/2/12 Glenn Arkell <glenn...@gmail.com>

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[Christian McCabe]

I really appreciate the suggestions. @rune, I am calling the buttons in a form called edit.php

<?php defined( '_JEXEC' ) or die; ?>

<form action="index.php?option=com_courses&amp;course_id=<?php echo $this->item->course_id ?>"

method="post" name="adminForm" class="form-validate">

<div class="width-60 fltlft">

<fieldset class="adminform">

<ul class="adminformlist">

<?php foreach ($this->form->getFieldset() as $field): ?>

<li><?php echo $field->label; ?>

<?php echo $field->input; ?></li>

<?php endforeach ?>

</ul>

</fieldset>

</div>

<input type="hidden" name="task" value="" />

<input type="hidden" name="boxchecked" value="0" />

<?php echo JHtml::_('form.token'); ?>

</form>

I have tried it without <input type="hidden" name="boxchecked" value="0" /> but same error :

Uncaught TypeError: Cannot read property 'task' of null

Could this have to do with User permissions? I haven't added any code to check user rights but I was assuming that would be covered in the <?php echo JHtml::_('form.token'); ?> statement?

[Michael Babker]

Try adding id="adminForm" to the <form> tag.  I can't remember when we did it or what's "right" anymore, but I know something was changed to start phasing out name="adminForm".

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[Christian McCabe]

@Michael - that was it! Thanks so much... Now I can move forward with my first component!

People are AWESOME!