j4examplecode
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<?php
/**
* @package Joomla.Administrator
* @subpackage com_foos
*
* @copyright Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
namespace FooNamespace\Component\Foos\Administrator\View\Foos;
\defined('_JEXEC') or die;
use Joomla\CMS\Helper\ContentHelper;
use Joomla\CMS\Language\Text;
use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
use Joomla\CMS\Toolbar\Toolbar;
use Joomla\CMS\Toolbar\ToolbarHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\MVC\View\GenericDataException;
/**
* View class for a list of foos.
*
* @since __BUMP_VERSION__
*/
class HtmlView extends BaseHtmlView
{
/**
* An array of items
*
* @var array
*/
protected $items;
/**
* The model state
*
* @var \JObject
*/
protected $state;
/**
* Form object for search filters
*
* @var \JForm
*/
public $filterForm;
/**
* The active search filters
*
* @var array
*/
public $activeFilters;
/**
* Method to display the view.
*
* @param string $tpl A template file to load. [optional]
*
* @return void
*
* @since __BUMP_VERSION__
*/
public function display($tpl = null): void
{
$this->items = $this->get('Items');
$this->filterForm = $this->get('FilterForm');
$this->activeFilters = $this->get('ActiveFilters');
$this->state = $this->get('State');
// Check for errors.
if (count($errors = $this->get('Errors'))) {
throw new GenericDataException(implode("\n", $errors), 500);
}
// Preprocess the list of items to find ordering divisions.
// TODO: Complete the ordering stuff with nested sets
foreach ($this->items as &$item) {
$item->order_up = true;
$item->order_dn = true;
}
if (!count($this->items) && $this->get('IsEmptyState')) {
$this->setLayout('emptystate');
}
// We don't need toolbar in the modal window.
if ($this->getLayout() !== 'modal') {
$this->addToolbar();
$this->sidebar = \JHtmlSidebar::render();
} else {
// In article associations modal we need to remove language filter if forcing a language.
// We also need to change the category filter to show show categories with All or the forced language.
if ($forcedLanguage = Factory::getApplication()->input->get('forcedLanguage', '', 'CMD')) {
// If the language is forced we can't allow to select the language, so transform the language selector filter into a hidden field.
$languageXml = new \SimpleXMLElement('<field name="language" type="hidden" default="' . $forcedLanguage . '" />');
$this->filterForm->setField($languageXml, 'filter', true);
// Also, unset the active language filter so the search tools is not open by default with this filter.
unset($this->activeFilters['language']);
// One last changes needed is to change the category filter to just show categories with All language or with the forced language.
$this->filterForm->setFieldAttribute('category_id', 'language', '*,' . $forcedLanguage, 'filter');
}
}
parent::display($tpl);
}
/**
* Add the page title and toolbar.
*
* @return void
*
* @since __BUMP_VERSION__
*/
protected function addToolbar()
{
$canDo = ContentHelper::getActions('com_foos');
// Get the toolbar object instance
$toolbar = Toolbar::getInstance('toolbar');
ToolbarHelper::title(Text::_('COM_FOOS_MANAGER_FOOS'), 'address foo');
if ($canDo->get('core.create')) {
$toolbar->addNew('foo.add');
}
if ($canDo->get('core.options')) {
$toolbar->preferences('com_foos');
}
}
}