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   1  <?php
   2  
   3  /**
   4   * @package     Joomla.Administrator
   5   * @subpackage  com_newsfeeds
   6   *
   7   * @copyright   (C) 2008 Open Source Matters, Inc. <https://www.joomla.org>
   8   * @license     GNU General Public License version 2 or later; see LICENSE.txt
   9   */
  10  
  11  namespace Joomla\Component\Newsfeeds\Administrator\View\Newsfeeds;
  12  
  13  use Joomla\CMS\Factory;
  14  use Joomla\CMS\Helper\ContentHelper;
  15  use Joomla\CMS\Language\Multilanguage;
  16  use Joomla\CMS\Language\Text;
  17  use Joomla\CMS\MVC\View\GenericDataException;
  18  use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
  19  use Joomla\CMS\Object\CMSObject;
  20  use Joomla\CMS\Toolbar\Toolbar;
  21  use Joomla\CMS\Toolbar\ToolbarHelper;
  22  
  23  // phpcs:disable PSR1.Files.SideEffects
  24  \defined('_JEXEC') or die;
  25  // phpcs:enable PSR1.Files.SideEffects
  26  
  27  /**
  28   * View class for a list of newsfeeds.
  29   *
  30   * @since  1.6
  31   */
  32  class HtmlView extends BaseHtmlView
  33  {
  34      /**
  35       * The list of newsfeeds
  36       *
  37       * @var    CMSObject
  38       *
  39       * @since  1.6
  40       */
  41      protected $items;
  42  
  43      /**
  44       * The pagination object
  45       *
  46       * @var    \Joomla\CMS\Pagination\Pagination
  47       *
  48       * @since  1.6
  49       */
  50      protected $pagination;
  51  
  52      /**
  53       * The model state
  54       *
  55       * @var    CMSObject
  56       *
  57       * @since  1.6
  58       */
  59      protected $state;
  60  
  61      /**
  62       * Is this view an Empty State
  63       *
  64       * @var    boolean
  65       *
  66       * @since  4.0.0
  67       */
  68      private $isEmptyState = false;
  69  
  70      /**
  71       * Execute and display a template script.
  72       *
  73       * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
  74       *
  75       * @return  void
  76       *
  77       * @since   1.6
  78       */
  79      public function display($tpl = null)
  80      {
  81          $this->items         = $this->get('Items');
  82          $this->pagination    = $this->get('Pagination');
  83          $this->state         = $this->get('State');
  84          $this->filterForm    = $this->get('FilterForm');
  85          $this->activeFilters = $this->get('ActiveFilters');
  86  
  87          if (!\count($this->items) && $this->isEmptyState = $this->get('IsEmptyState')) {
  88              $this->setLayout('emptystate');
  89          }
  90  
  91          // Check for errors.
  92          if (\count($errors = $this->get('Errors'))) {
  93              throw new GenericDataException(implode("\n", $errors), 500);
  94          }
  95  
  96          // We don't need toolbar in the modal layout.
  97          if ($this->getLayout() !== 'modal') {
  98              $this->addToolbar();
  99  
 100              // We do not need to filter by language when multilingual is disabled
 101              if (!Multilanguage::isEnabled()) {
 102                  unset($this->activeFilters['language']);
 103                  $this->filterForm->removeField('language', 'filter');
 104              }
 105          } else {
 106              // In article associations modal we need to remove language filter if forcing a language.
 107              // We also need to change the category filter to show show categories with All or the forced language.
 108              if ($forcedLanguage = Factory::getApplication()->input->get('forcedLanguage', '', 'CMD')) {
 109                  // If the language is forced we can't allow to select the language, so transform the language selector filter into a hidden field.
 110                  $languageXml = new \SimpleXMLElement('<field name="language" type="hidden" default="' . $forcedLanguage . '" />');
 111                  $this->filterForm->setField($languageXml, 'filter', true);
 112  
 113                  // Also, unset the active language filter so the search tools is not open by default with this filter.
 114                  unset($this->activeFilters['language']);
 115  
 116                  // One last changes needed is to change the category filter to just show categories with All language or with the forced language.
 117                  $this->filterForm->setFieldAttribute('category_id', 'language', '*,' . $forcedLanguage, 'filter');
 118              }
 119          }
 120  
 121          parent::display($tpl);
 122      }
 123  
 124      /**
 125       * Add the page title and toolbar.
 126       *
 127       * @return  void
 128       *
 129       * @since   1.6
 130       */
 131      protected function addToolbar()
 132      {
 133          $state = $this->get('State');
 134          $canDo = ContentHelper::getActions('com_newsfeeds', 'category', $state->get('filter.category_id'));
 135          $user  = Factory::getApplication()->getIdentity();
 136  
 137          // Get the toolbar object instance
 138          $toolbar = Toolbar::getInstance('toolbar');
 139  
 140          ToolbarHelper::title(Text::_('COM_NEWSFEEDS_MANAGER_NEWSFEEDS'), 'rss newsfeeds');
 141  
 142          if ($canDo->get('core.create') || count($user->getAuthorisedCategories('com_newsfeeds', 'core.create')) > 0) {
 143              $toolbar->addNew('newsfeed.add');
 144          }
 145  
 146          if (!$this->isEmptyState && ($canDo->get('core.edit.state') || $user->authorise('core.admin'))) {
 147              $dropdown = $toolbar->dropdownButton('status-group')
 148                  ->text('JTOOLBAR_CHANGE_STATUS')
 149                  ->toggleSplit(false)
 150                  ->icon('icon-ellipsis-h')
 151                  ->buttonClass('btn btn-action')
 152                  ->listCheck(true);
 153  
 154              $childBar = $dropdown->getChildToolbar();
 155  
 156              $childBar->publish('newsfeeds.publish')->listCheck(true);
 157              $childBar->unpublish('newsfeeds.unpublish')->listCheck(true);
 158              $childBar->archive('newsfeeds.archive')->listCheck(true);
 159  
 160              if ($user->authorise('core.admin')) {
 161                  $childBar->checkin('newsfeeds.checkin')->listCheck(true);
 162              }
 163  
 164              if ($this->state->get('filter.published') != -2) {
 165                  $childBar->trash('newsfeeds.trash')->listCheck(true);
 166              }
 167  
 168              // Add a batch button
 169              if (
 170                  $user->authorise('core.create', 'com_newsfeeds')
 171                  && $user->authorise('core.edit', 'com_newsfeeds')
 172                  && $user->authorise('core.edit.state', 'com_newsfeeds')
 173              ) {
 174                  $childBar->popupButton('batch')
 175                      ->text('JTOOLBAR_BATCH')
 176                      ->selector('collapseModal')
 177                      ->listCheck(true);
 178              }
 179          }
 180  
 181          if (!$this->isEmptyState && $state->get('filter.published') == -2 && $canDo->get('core.delete')) {
 182              $toolbar->delete('newsfeeds.delete')
 183                  ->text('JTOOLBAR_EMPTY_TRASH')
 184                  ->message('JGLOBAL_CONFIRM_DELETE')
 185                  ->listCheck(true);
 186          }
 187  
 188          if ($user->authorise('core.admin', 'com_newsfeeds') || $user->authorise('core.options', 'com_newsfeeds')) {
 189              $toolbar->preferences('com_newsfeeds');
 190          }
 191  
 192          $toolbar->help('News_Feeds');
 193      }
 194  }