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<?php
namespace Drupal\views\Plugin\views\style;
use Drupal\Core\Url;
/**
* Default style plugin to render an OPML feed.
*
* @ingroup views_style_plugins
*
* @ViewsStyle(
* id = "opml",
* title = @Translation("OPML Feed"),
* help = @Translation("Generates an OPML feed from a view."),
* theme = "views_view_opml",
* display_types = {"feed"}
* )
*/
class Opml extends StylePluginBase {
/**
* Does the style plugin for itself support to add fields to its output.
*
* @var bool
*/
protected $usesRowPlugin = TRUE;
/**
* {@inheritdoc}
*/
public function attachTo(array &$build, $display_id, Url $feed_url, $title) {
$display = $this->view->displayHandlers->get($display_id);
$url_options = [];
$input = $this->view->getExposedInput();
if ($input) {
$url_options['query'] = $input;
}
$url_options['absolute'] = TRUE;
$url = $feed_url->setOptions($url_options)->toString();
if ($display->hasPath()) {
if (empty($this->preview)) {
$build['#attached']['feed'][] = [$url, $title];
}
}
else {
$this->view->feedIcons[] = [
'#theme' => 'feed_icon',
'#url' => $url,
'#title' => $title,
];
}
}
/**
* {@inheritdoc}
*/
public function render() {
if (empty($this->view->rowPlugin)) {
debug('Drupal\views\Plugin\views\style\Opml: Missing row plugin');
return;
}
$rows = [];
foreach ($this->view->result as $row_index => $row) {
$this->view->row_index = $row_index;
$rows[] = $this->view->rowPlugin->render($row);
}
$build = [
'#theme' => $this->themeFunctions(),
'#view' => $this->view,
'#options' => $this->options,
'#rows' => $rows,
];
unset($this->view->row_index);
return $build;
}
}