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* @license GNU General Public License version 2 or later; see LICENSE.txt */ namespace Joomla\CMS\MVC\View; \defined('JPATH_PLATFORM') or die; use Joomla\CMS\Factory; use Joomla\CMS\Language\Text; use Joomla\CMS\Layout\FileLayout; use Joomla\CMS\Object\CMSObject; use Joomla\CMS\Toolbar\Toolbar; use Joomla\CMS\Toolbar\ToolbarHelper; /** * Base class for a Joomla List View * * Class holding methods for displaying presentation data. * * @since 2.5.5 */ class ListView extends HtmlView { /** * An array of items * * @var array */ protected $items; /** * The pagination object * * @var \Joomla\CMS\Pagination\Pagination */ protected $pagination; /** * The model state * * @var CMSObject */ protected $state; /** * The actions the user is authorised to perform * * @var CMSObject */ protected $canDo; /** * Form object for search filters * * @var \Joomla\CMS\Form\Form */ public $filterForm; /** * The active search filters * * @var array */ public $activeFilters; /** * The sidebar markup * * @var string */ protected $sidebar; /** * The toolbar title * * @var string */ protected $toolbarTitle; /** * The toolbar icon * * @var string */ protected $toolbarIcon; /** * The flag which determine whether we want to show batch button * * @var boolean */ protected $supportsBatch = true; /** * The help link for the view * * @var string */ protected $helpLink; /** * Constructor * * @param array $config An optional associative array of configuration settings. */ public function __construct(array $config) { parent::__construct($config); // Set class properties from config data passed in constructor if (isset($config['toolbar_title'])) { $this->toolbarTitle = $config['toolbar_title']; } else { $this->toolbarTitle = strtoupper($this->option . '_MANAGER_' . $this->getName()); } if (isset($config['toolbar_icon'])) { $this->toolbarIcon = $config['toolbar_icon']; } else { $this->toolbarIcon = strtolower($this->getName()); } if (isset($config['supports_batch'])) { $this->supportsBatch = $config['supports_batch']; } if (isset($config['help_link'])) { $this->helpLink = $config['help_link']; } // Set default value for $canDo to avoid fatal error if child class doesn't set value for this property $this->canDo = new CMSObject; } /** * Execute and display a template script. * * @param string $tpl The name of the template file to parse; automatically searches through the template paths. * * @return void * * @throws \Exception */ public function display($tpl = null) { // Prepare view data $this->initializeView(); // Check for errors. if (\count($errors = $this->get('Errors'))) { throw new GenericDataException(implode("\n", $errors), 500); } // Build toolbar $this->addToolbar(); parent::display($tpl); } /** * Prepare view data * * @return void */ protected function initializeView() { $componentName = substr($this->option, 4); $helperClass = ucfirst($componentName . 'Helper'); // Include the component helpers. \JLoader::register($helperClass, JPATH_COMPONENT . '/helpers/' . $componentName . '.php'); if ($this->getLayout() !== 'modal') { if (\is_callable($helperClass . '::addSubmenu')) { \call_user_func(array($helperClass, 'addSubmenu'), $this->getName()); } $this->sidebar = \JHtmlSidebar::render(); } $this->items = $this->get('Items'); $this->pagination = $this->get('Pagination'); $this->state = $this->get('State'); $this->filterForm = $this->get('FilterForm'); $this->activeFilters = $this->get('ActiveFilters'); } /** * Add the page title and toolbar. * * @return void * * @since 1.6 */ protected function addToolbar() { $canDo = $this->canDo; $user = Factory::getUser(); // Get the toolbar object instance $bar = Toolbar::getInstance('toolbar'); $viewName = $this->getName(); $singularViewName = \Joomla\String\Inflector::getInstance()->toSingular($viewName); ToolbarHelper::title(Text::_($this->toolbarTitle), $this->toolbarIcon); if ($canDo->get('core.create')) { ToolbarHelper::addNew($singularViewName . '.add'); } if (($canDo->get('core.edit')) || ($canDo->get('core.edit.own'))) { ToolbarHelper::editList($singularViewName . '.edit'); } if ($canDo->get('core.edit.state')) { ToolbarHelper::publish($viewName . '.publish', 'JTOOLBAR_PUBLISH', true); ToolbarHelper::unpublish($viewName . '.unpublish', 'JTOOLBAR_UNPUBLISH', true); if (isset($this->items[0]->featured)) { ToolbarHelper::custom($viewName . '.featured', 'featured', '', 'JFEATURE', true); ToolbarHelper::custom($viewName . '.unfeatured', 'unfeatured', '', 'JUNFEATURE', true); } ToolbarHelper::archiveList($viewName . '.archive'); ToolbarHelper::checkin($viewName . '.checkin'); } // Add a batch button if ($this->supportsBatch && $user->authorise('core.create', $this->option) && $user->authorise('core.edit', $this->option) && $user->authorise('core.edit.state', $this->option)) { $title = Text::_('JTOOLBAR_BATCH'); // Instantiate a new LayoutFile instance and render the popup button $layout = new FileLayout('joomla.toolbar.popup'); $dhtml = $layout->render(array('title' => $title)); $bar->appendButton('Custom', $dhtml, 'batch'); } if ($this->state->get('filter.published') == -2 && $canDo->get('core.delete')) { ToolbarHelper::deleteList('JGLOBAL_CONFIRM_DELETE', $viewName . '.delete', 'JTOOLBAR_EMPTY_TRASH'); } elseif ($canDo->get('core.edit.state')) { ToolbarHelper::trash($viewName . '.trash'); } if ($user->authorise('core.admin', $this->option) || $user->authorise('core.options', $this->option)) { ToolbarHelper::preferences($this->option); } if ($this->helpLink) { ToolbarHelper::help($this->helpLink); } } }